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Sika Technology Ag patents


Recent patent applications related to Sika Technology Ag. Sika Technology Ag is listed as an Agent/Assignee. Note: Sika Technology Ag may have other listings under different names/spellings. We're not affiliated with Sika Technology Ag, we're just tracking patents.

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Two-stage method for producing a polyurethane hot-melt adhesive with a low content of monomeric diisocyanate and a high initial strength

A two-stage method for producing a polyurethane hot-melt adhesive, having the stages of a) reacting at least one polyol with at least one diisocyanate, the nco/oh ratio being greater than 1.5, in order to obtain a reaction mixture containing an isocyanate-functional polyurethane prepolymer and non-converted diisocyanate and b) reacting the reaction mixture obtained in stage a), the mixture containing the isocyanate-functional polyurethane prepolymer and non-converted diisocyanate, with at least one polyester polyol, the nco/oh ratio being greater than 3. The obtained hot-melt adhesive can be formulated as an r-40 classification-free and storage- and processing-stable pur-rhm with a residual monomer content below 1 wt. ... Sika Technology Ag

Cold curing epoxy resin primer or adhesive

The invention relates to the use of an epoxy resin composition, containing at least one reaction product from the reaction of at least one amine of formula (i) with at least one carbonyl compound of formula (ii) and hydrogen, as a cold curing primer or adhesive. Primers or adhesives of this type cure rapidly and trouble-free at ambient temperature, even at cold temperatures such as 10 or 5° c., suffer remarkably little yellowing and are free from toxic phenol compounds such as phenol, tert-butylphenol or nonylphenol. ... Sika Technology Ag

Amine for rapid-curing epoxy resin compositions

An amine of formula (i) which is particularly suitable for use as a curing agent for epoxy resins. The amine of formula (i) is devoid of non-incorporable toxic phenols, and is low-viscosity and pale in colour. ... Sika Technology Ag

Hotmelt adhesive with enhanced uv stability and use for producing a multilayer polymeric sheet

A hotmelt adhesive composition includes at least one polyolefin polymer (p) which is solid at 25° c. And is preferably a thermoplastic poly-α-olefin and more preferably an atactic poly-α-olefin (apao), at least one polyolefin resin (ph) which is liquid at 25° c. ... Sika Technology Ag

Pumpable and thermally expandable filler compositions

Pumpable thermally foaming filler compositions based on combinations of a liquid epoxy resin and a polyvinyl chloride resin and/or an acrylic resin powder. The pumpable filler materials provide the advantage that they can be applied as needed using conventional injection equipment and can be expanded to provide foam with good physical strength, high expansion and excellent adhesion on oiled metal substrates. ... Sika Technology Ag

Method of marking outline of large scale graphic element and robot for such method

An exemplary method of marking an outline of a graphic element on a surface site such as a roof, floor, road, airfield or sports ground or similar large scale surface, includes preparing outline data representing the outline of the graphic element; and feeding the outline data to a robot. The robot marks the outline of the graphic element on the surface site based on the fed outline data.. ... Sika Technology Ag

Improved low-temperature impact resistance in ptmeg-based polyurethane impact modifiers

An impact modifier, which is an isocyanate-terminated polymer, the isocyanate groups of which are partially or completely blocked by reaction with a blocking agent, wherein the isocyanate-terminated polymer is a reaction product of a) one or more polyols including polytetramethylene ether glycol in a fraction of at least 95 wt %, with respect to the total weight of the polyols, and b) two or more polyisocyanates, which include at least one diisocyanate and at least one polyisocyanate having an average isocyanate functionality of 2.5 or more, wherein the molar ratio of isocyanate groups of the one or more diisocyanates to isocyanate groups of the one or more polyisocyanates having an average isocyanate functionality of 2.5 or more lies in the range of 2 to 1 to 20 to 1. The impact modifier is suitable in one-component epoxide resin formulations, one-component epoxide resin glues, but also in two-component epoxide resin formulations.. ... Sika Technology Ag

Non-invasive repair and retrofitting of hardened reinforced concrete structures

An aqueous composition is used for repairing and/or sealing of hardened concrete structures, the aqueous composition including colloidal silica and polycarboxylate ether.. . ... Sika Technology Ag

Epoxy resin-containing cement-bound composition for electrically conductive coatings or seal coats

A multicomponent composition including: a) a binder component (a) including at least one epoxy resin, b) an aqueous hardener component (b) including at least one amine compound as an amine hardener and water, and c) a solid component (c) including at least one hydraulic inorganic binder, preferably cement, the multicomponent composition containing, relative to the total weight, at least 8% by weight of an organic binder, the total amount of epoxy resin and amine hardener constituting the organic binder, and at least one organic salt. The multicomponent composition preferably includes at least one pigment as the colorant. ... Sika Technology Ag

Water-based primer composition for polycarbonate and polycarbonate blends

A water-based primer composition is particularly suitable for the pre-treatment of polycarbonate substrates, and has a component k1 having an aqueous epoxy resin dispersion, an aqueous polyester-polyurethane dispersion and an aqueous polyacrylate dispersion, and optionally a water-miscible organic solvent, and a second component k2 containing a water-dispersible curing agent based on isocyanate. The primers provide a strong bonding of subsequently applied adhesives to polycarbonate substrates, and permit a processing with a significant reduction in voc emissions and the prevention of the occurrence of stress-cracks.. ... Sika Technology Ag

Adhesive composition and adhered roofing system prepared using the adhesive composition

The invention is directed to an adhesive composition including at least one rubber component, a solvent, and at least one powdered superabsorber polymer. The invention also relates to a method for bonding a roofing membrane to a substrate using the adhesive composition as a contact adhesive, to fully adhered membrane roofing system, and to the use of adhesive composition for adhering roofing membranes to substrates by contact bonding.. ... Sika Technology Ag

Insulation element

An insulation element for insulating a structural element in a vehicle includes a support element having a first surface and a second surface and an expandable material, which is arranged at least on partial areas of the first surface of the support element. The support element has at least one penetration and the expandable material projects through the penetration and forms a protrusion on one side of the second surface of the support element. ... Sika Technology Ag

Baffle

A baffle or reinforcement element for sealing and/or reinforcing a cavity, in particular a cavity of a vehicle, comprising: a carrier plate with a first plate surface and a second plate surface, and at least a first and a second expandable element, in particular expandable foam element, supported by the carrier plate, wherein the first expandable element covers, at least substantially, the entire first plate surface and forms a first outer surface of the baffle or reinforcement element and the second expandable element covers, at least substantially, the entire second plate surface thereby forming a second outer surface of the baffle element.. . ... Sika Technology Ag

Chemical blowing agent and thermally expandable thermoplastic composition

A chemical blowing agent is described that includes at least one tertiary alkyl carbamate. The chemical blowing agent can be activated thermally and is suitable for foaming thermoplastic materials and can, for example, be incorporated into thermally expandable baffle and/or reinforcement elements, which can be used in automotive manufacturing and building insulation.. ... Sika Technology Ag

11/16/17 / #20170327299

Arrangement for pressing a pasty or fluid substance out of a film bag

The disclosure relates to an assembly for pressing a pasty or fluid substance out of a film bag of a substantially cylindrical basic form. The film bag is or can be accommodated in a cylindrical receptacle having a circular inner cross-section a. ... Sika Technology Ag

11/09/17 / #20170320997

Polymer containing silane groups

A polymer containing silane groups, a method for synthesizing same, and curable compositions including the polymer. The polymer containing silane groups has a very long shelf life and cures quickly with moisture. ... Sika Technology Ag

11/09/17 / #20170320775

Method for producing granulated materials from cement compositions

A method for producing aggregates from non-hardened cement compositions, in particular from concrete or residual concrete, which method includes adding a) a water-absorbing agent and b) a crystallization deactivator to a non-hardened cement composition and mixing until a granular material has formed. The method allows unneeded residues of still liquid concrete to be converted into a practical product, which can then be reused to produce new concrete compositions. ... Sika Technology Ag

10/26/17 / #20170306138

Manufacturing process and composition for foamed pvc-p rock shields

A plasticized pvc formulation for foam extrusion including polyvinyl chloride, at least one plasticizer, at least one nucleating agent and a chemical blowing agent, wherein the plasticized pvc formulation is a dry blend containing 0.5 to 5% by weight of one or more nucleating agents and 0.1 to 3% by weight of the chemical blowing agent, wherein the blowing agent is sodium bicarbonate and the nucleating agent is talcum, and a foam extrusion method using said formulation. The extruded plasticized pvc foam is particularly suitable for rock shield pads used for pipeline protection. ... Sika Technology Ag

10/26/17 / #20170304865

Application device

The disclosure relates to an application device for multi-component substances, in particular multi-component adhesives or multi-component sealants, including: at least two cartridge receiving devices for receiving replaceable cartridges with substance components that are to be mixed; a discharging device for discharging the substance components from the cartridges; a mixing device for mixing the substance components, wherein the mixing device includes a rotary mixer which is driven via a drive shaft, the drive shaft having at least one flexible portion with a first end and a second end.. . ... Sika Technology Ag

10/12/17 / #20170292050

Two-component composition

A two-component composition, containing at least one silane-group-containing polymer that is liquid at room temperature, at least one epoxide liquid resin, at least one polyetheramine, and at least one aminosilane or mercaptosilane. The composition has low odor, cures quickly and without blistering at room temperature, and, when cured, forms a tough elastic material of high strength, high adhesive force, and good thermal resistance that has no tendency toward yellowing or substrate discoloration. ... Sika Technology Ag

10/05/17 / #a mortar composition, in particular for preparing a viscoelastic body or structure, or for for acoustic damping of at least one of a ship, an offshore installation and a building, includes:

Sika Technology Ag

. . ... Sika Technology Ag

09/28/17 / #20170275509

Storage-stable, moisture-curing polyurethane adhesive with rapid adhesive formation on glass

A moisture-curing adhesive composition has a) at least one polyurethane polymer having isocyanate groups, b) at least a silane adhesion promoter, c) at least one amine catalyst, and d) at least one chelate complexing agent. Compositions are suitable especially as adhesive or sealant, in particular for glass panes, for example in vehicle construction or vehicle repair, wherein the use of a primer or activator can be dispensed with.. ... Sika Technology Ag

09/28/17 / #20170274414

Application device for applying gel-like and/or paste-like compositions and application unit for an application device of this type

The invention relates to an application unit for an application device, in particular an application gun for applying gel-like and/or paste-like compositions, having an output unit for dispensing the compositions, a connection element, such as a cover, for connecting the output unit to the main body of the application device, and a closure element, wherein the closure element is rotatable around an axis of rotation with respect to the connection element and the output unit for fastening the output unit on the connection element and for detaching the output unit from the connection element, wherein a lifting unit is formed and arranged in such a way that the output unit is lifted by a rotation of the closure element.. . ... Sika Technology Ag

09/07/17 / #20170253772

Semi-transparent separating film for uv-sensitive adhesives

The invention relates to a separating film based on polyolefins or ethylene copolymers with a content of organic and optionally inorganic pigment and at least one uv stabilizer. The separating film has a transmission percentage between 5 and 20% in the range from 400 to 700 nm and a transmission percentage of <2% in the range from 300 to 500 nm. ... Sika Technology Ag

08/24/17 / #20170240780

Hydroxy silane as an adhesion promoter or cross-linking agent

A hydroxy silane of formula (i) used as an adhesion promoter or cross-linking agent for adhesives, sealants or coatings. The invention also relates to an adhesion-promoter composition containing the hydroxy silane of formula (i) and to adhesives, sealants or coatings containing the hydroxy silane of formula (i). ... Sika Technology Ag

08/24/17 / #20170240772

Adhesive system with highly reactive pretreatment agent

The present invention relates to an adhesive system, comprising an adhesion promoter composition, containing at least one mercaptosilane, at least one polysilane, at least one transition metal complex comprising substantially only monodentate ligands, and at least one nonalcoholic solvent, and an adhesive, wherein the adhesive, within an hour after application and storage at 23° c. And 50% relative air humidity, has a tensile shear strength of at least 3 mpa, as measured according to iso 4587, and/or, within an hour after application and storage at 23° c. ... Sika Technology Ag

08/24/17 / #20170240689

Fast-curing composition containing silane groups

A polymer preparation consisting of silane-functional polymers, including at least one polymer having at least one terminal group of formula (i) and at least one further silane terminal group, a method for producing the polymer preparation and a composition containing it. The polymer preparation has a surprisingly low viscosity, cross-links surprisingly quickly even without the use of ehs-critical catalysts such as organotin compounds or dbu, and hardens into a non-sticky material with good strength and elasticity. ... Sika Technology Ag

08/24/17 / #20170240688

Fast-curing composition containing silane groups

A composition containing two different silane-functional polymers, only one of the two polymers having terminal groups of formula (i). The composition has a surprisingly rapid skin forming time and low viscosity, crosslinks quickly even without the use of ehs-critical catalysts such as organotin compounds or dbu, and cures to a non-sticky material with good strength and elasticity. ... Sika Technology Ag

08/24/17 / #20170240687

Polyester prepolymers as impact modifiers in epoxy formulations

What is described is a polymer which is a polyurethane polymer having blocked isocyanate groups or a reaction product of said polyurethane polymer with at least one epoxy resin, where the polyurethane polymer having blocked isocyanate groups is an addition product formed from at least one polyisocyanate and at least one polyester polyol, wherein the isocyanate groups of the addition product have been blocked by reaction with at least one aromatic compound having at least one hydroxyl group. Such a polymer is suitable as an impact modifier in epoxy resin compositions, especially when they are used as adhesives or structural foams. ... Sika Technology Ag

08/24/17 / #20170240686

Polyurea composition

The invention relates to compositions comprising at least one first and one second component; —the first component k1 comprising at least one di(aminobenzoate) ester a1 of formula (i) with an average molecular weight of 500 g/mol to 2000 g/mol, preferably 600 g/mol to 1500 g/mol and particularly preferred between 650 g/mol and 1300 g/mol, g being a divalent group derived from poly(tetramethylene oxide) diol, and —the second component k2 comprising at least one aromatic polyisocyanate b1 with an average molecular weight of 160 g/mol to 1100 g/mol, preferably 500 g/mol to 800 g/mol.. . ... Sika Technology Ag

08/24/17 / #20170239683

Application device for materials

An application device for materials, in particular adhesives, including at least one cartridge receiving device for receiving a replaceable cartridge which contains a material and has a material outlet opening; a rotary device for metering or mixing the material, rotary device having a first engagement element; a drive device for driving the rotary device, the drive device having a rod which is mounted in a rotatable and axially movable manner and has a second engagement element at the end face; and a gearing unit for driving the rod in order to bring the first and the second engagement element into engagement with each other.. . ... Sika Technology Ag

08/10/17 / #20170226278

Amine for low-emission epoxy resin compositions

An amine of the formula (i) and a process for its preparation by reductive alkylation of 1,2-propylenediamine with a di- or trifunctional carbonyl compound and hydrogen. The amine of the formula (i) is low in viscosity and in odour, high in reactivity towards epoxides and outstanding in its compatibility with other amines and with epoxy resins. ... Sika Technology Ag

08/10/17 / #20170226011

Additive for grinding on rolling mills

At least one glycol compound is used as a grinding aid when grinding at least one solid substance, in particular an inorganic and/or mineral solid substance, in a rolling mill, wherein the at least one glycol compound has a structure according to formula i: (formula 1) and wherein a) r1, r2, r3 each independently of one another stand for h or an alkyl, alkoxy or alkanol group with 1-8 carbon atoms, in particular with 2-4 carbon atoms; and b) x stands for a substituted or unsubstituted alkylene group with 1-8 carbon atoms, in particular 1-4 carbon atoms.. . ... Sika Technology Ag

08/03/17 / #20170218114

Amine for low-emission epoxy resin compositions

An amine of the formula (i) for use as hardener for epoxy resins, hardeners for epoxy resins containing the amine of the formula (i) and resultant epoxy resin compositions which more particularly can be used as low-emission room-temperature-curing epoxy-resin coatings with high hardness and surface quality. The amine of the formula (i) has little odour and is a very successful diluent for epoxy resin compositions. ... Sika Technology Ag

08/03/17 / #20170217244

Applicator pen

An applicator pen for discharging a liquid onto a surface, preferably for applying a protective layer onto adhesive surfaces of a vehicle, in particularly for improved adhesion in the case of bonding applications, the applicator pen including a hollow body and an ampoule received in the hollow body, including a peripheral surface, for receiving the liquid, wherein the ampoule is able to be broken to enable the liquid to escape, wherein a breakage device is provided with an axially movable portion and is realized in such a manner that a movement of the movable portion in the axial direction results in the breaking of the ampoule.. . ... Sika Technology Ag

07/20/17 / #20170204238

Acoustical foam with improved performance

Disclosed is a thermally expandable composition, comprising at least one polymer p, cross-linkable by peroxide, and between 1 wt.-% and 2.5 wt.-%, based on the total weight of the composition, of at least one acrylate a, and between 0.2 wt.-% and 2.5 wt.-%, based on the total weight of the composition, of at least one peroxide, and at least one blowing agent, characterised in that the equivalent ratio of said peroxide to said acrylate a is between 0.01 and 0.5, preferably between 0.13 and 0.41, and the weight ratio of said peroxide to said acrylate a is lower than 0.33 and said polymer p comprises or essentially consists of at least two polymers pi and p2, wherein pi exhibits a melt flow index (mfi) of between 100 and 200 g/10 min, and p2 exhibits a melt flow index of between 0.1 and 60 g/10 min, wherein mfi is determined by astm d1238. The thermally expandable composition shows excellent properties in terms of expansion stability and minimised buckling and is especially suitable for baffle and/or reinforcement elements, e.g. ... Sika Technology Ag

07/20/17 / #20170203796

Structural reinforcement system

Disclosed are various embodiments of a structural reinforcement system. The system reinforces hollow cavities within various products to increase the structural rigidity of the product. ... Sika Technology Ag

07/13/17 / #20170198081

Liquid-applied waterproofing membrane for roofs

A one-part moisture-curing liquid-applied waterproofing membrane as disclosed includes a polyurethane polymer obtained from at least one polyether polyol and at least one diisocyanate, and an aldimine of the formula (i). The membrane has a long shelf life stability with both aromatic and aliphatic isocyanates, a low viscosity at low solvent content, a sufficiently long open time to allow hand application and cures fast to a solid elastic material of high strength and high elongation. ... Sika Technology Ag

06/29/17 / #20170183444

Curing agents for low-emission epoxy resin products

Curing agents for epoxy resins, containing at least one adduct of a primary diamine and an aromatic monoepoxide, at least one primary diamine and at least one secondary diamine which is free of primary amino groups and free of hydroxyl groups, are disclosed. The curing agent is of low viscosity and cures, together with epoxy resins, rapidly and without blushing, even under damp, cold conditions, to form films of high hardness and low brittleness. ... Sika Technology Ag

05/18/17 / #20170137948

Galvanic anode system for the corrosion protection of steel in concrete

A galvanic anode system for the corrosion protection of steel in concrete includes a galvanic anode material, which includes of zinc and alloys thereof, embedded in a solid electrolyte, and is characterized in that the galvanically available surface is larger, preferably at least twice as large, as the total geometrical surface of the metal anode. The galvanic anode system is also characterized in that, during operation, during which the anode disintegrates as a sacrificial anode, the galvanically active anode surface is reduced only slightly, preferably is not reduced up to at least 50%, in particular 75%, of the time during use.. ... Sika Technology Ag

05/11/17 / #20170130098

Sealing web activatable without open flame and having a hot-melt adhesive coating, and method for applying said sealing web

Composite films include a water-impermeable substrate layer composed of plastic having a coating. In such composite films, the hot-melt adhesive can also be activated in a contactless manner from the side of the composite film opposite the hot-melt adhesive layer. ... Sika Technology Ag

05/11/17 / #20170129987

Crosslinking catalyst comprising siloxane structural units

A catalyst containing at least one amidine or guanidine group of formula (ia) or (ib), which is bound to a silicon atom of a siloxane residue. At room temperature, the catalyst is liquid and odourless. ... Sika Technology Ag

04/13/17 / #20170101564

Tin- and phthalate-free sealant based on silane terminated polymers

The present invention provides a moisture-curing sealant comprising a) at least one silane-functional polymer and b) at least one catalyst for the crosslinking of the silane-functional polymer, said sealant being free of organotin compounds and having, in the cured state, a secant modulus at 100% elongation and 23° c., determined to iso 8339, of less than 0.4 mpa and a resilience at 100% elongation, determined to iso 7389, of greater than 70%. The sealant is especially suitable as a construction sealant of the 25lm class according to din en iso 11600, especially as a facade sealant, or as a sealant according to astm c719 class 50.. ... Sika Technology Ag

04/06/17 / #20170096368

Three component composition for the manufacture of polyurethane cementitious hybrid flooring or coating with improved surface gloss

The present invention relates to a three component composition consisting of a polyol component (a) comprising at least two polyols, one with high and one with low molecular weight, and water, a polyisocyanate component (b) comprising a methylene diphenyl diisocyanate (mdi) product with an average nco functionality of at least 2.5, or a methylene diphenyl diisocyanate (mdi) product with an average nco functionality of at least 2 and at least one further polyol with an amount of between 1% and 30% based on the weight of said polyisocyanate component (b), wherein said mdi product and said polyol have reacted at least partially, and a powder component (c) comprising at least one hydraulic binder, preferably cement and/or calcined paper sludge, preferably a calcium compound selected from calcium hydroxide and/or calcium oxide, and optionally one or more aggregates. Polyurethane cementitious hybrid flooring or coating systems having glossy/semiglossy surfaces, good workability and outstanding mechanical properties can be achieved. ... Sika Technology Ag

03/30/17 / #20170088464

Stabilized solidification and setting accelerator for hydraulic binders

A solidification and setting accelerator for hydraulic binders, in particular for shotcrete/gunite or sprayed mortar, comprises sulfate, aluminum and at least two chemically distinct organic acids, each of which contains at least one hydroxy group in addition to at least one acid group, the combined maximum content of the at least two organic acids being 1 wt % in relation to the total weight of the accelerator.. . ... Sika Technology Ag

03/30/17 / #20170087808

Structural glass element and method for its production

In the case of a structural glass element with a plastic-coated glass panel and at least one assembly element attached hereon, the glass panel is coated in particular with a silicone-based elastomer across its entire surface, and the coating at the same time creates an adhesive joint with one section of the assembly element supported on the glass panel.. . ... Sika Technology Ag

03/23/17 / #20170081348

Amidine group - or guanidine group - containing silane

A silane of the formula (i) containing at least one aliphatic amidine group- or guanidine group-containing alkoxy group, to a method for producing same, to conversion products thereof, and to the use thereof as a catalyst in curable compositions, in particular based on silane group-containing polymers. The silane of the formula (i) is largely odorless and non-volatile at room temperature. ... Sika Technology Ag

03/16/17 / #20170073449

Block copolymer

A block copolymer, in particular for use as a dispersant for mineral binder compositions, including at least one first block a and at least one second block b, wherein the first block a has a monomer unit m1 and the second block b has a monomer unit m2. To this end a proportion of monomer units m2 which is in any case present in the first block a is less than 25 mol %, in particular less than or equal to 10 mol %, based on all the monomer units m1 in the first block a and a proportion of monomer units m1 which is in any case present in the second block b is less than 25 mol %, in particular less than or equal to 10 mol %, based on all the monomer units m2 in the second block b.. ... Sika Technology Ag

03/16/17 / #20170073267

Accelerator for hydraulic binding agents with long processing time and very early strength

The present invention relates to an accelerator for hydraulic binding agents, comprising at least one phosphoric acid ester of a multivalent alcohol and at least one calcium compound. The accelerator according to the invention is capable of producing a very fast-curing mortar or concrete composition which has a high early strength and, nevertheless, very favourable processing properties and thus allows early dismantling or early loading and does not cause any losses in the final strength.. ... Sika Technology Ag

03/09/17 / #the present invention relates to an adhesive promoter composition, containing:

Sika Technology Ag

. . ... Sika Technology Ag

02/16/17 / #20170044766

3d fabric for floating floor constructions

A floor construction on a subsurface has a screed with a reinforcement made of a 3d textile with a lower and an upper textile ply which are connected together by one or more pile threads, wherein the lower textile ply is arranged in the lower half of the screed and the upper textile ply is arranged in the upper half of the screed, wherein an insulation layer is preferably furthermore arranged between the subsurface and the screed. The reinforced screed of the floor construction allows thin screed layers with good load-bearing capacity. ... Sika Technology Ag

02/16/17 / #20170044063

Admixture for hydraulic composition

To provide a chemical agent whereby adjustment of air volume is easier, particularly in a hydraulic composition having fly ash blended therein. An admixture for a hydraulic composition, having a structure indicated by general formula (1) and including a carbon blocker including either one type of compound selected from a group comprising phosphate esters or at least two mixtures; and a water-reducing agent. ... Sika Technology Ag

02/09/17 / #20170037191

Rapid-curing, migration-free composition based on organic polymers containing silane groups

The invention relates to a composition comprising at least one organic polymer that contains silane groups and at least one catalyst of formula (i). The composition is low in emissions and low-odour, has a good shelf-life, cures rapidly to form a mechanically high-quality, durable material with a very low propensity for migration-related defects such as exudation or dirt retention by the substrate. ... Sika Technology Ag

02/09/17 / #20170036960

Polyurethane hybrid system combining high compressive strength and early water resistance

A multi-component composition including a) a polyol component (a) including at least one polyol and water, b) a hardener component (b) including at least one polyisocyanate, and c) a solid component (c) including a hydraulic binder and one or more aggregates, as an early water resistant construction or repair material for constructing, repairing or refurbishing component parts, wherein the mixed and applied multi-component composition is immersed in water not later than 8 hours, preferably not later than 2 hours, after application. The use as an early water resistant construction or repair material is especially suitable for component parts, which are in contact with water during operation such as offshore wind energy plants or water retaining systems, e.g. ... Sika Technology Ag

02/02/17 / #20170030084

Process for preparing a surface for decoration

The invention relates to a process for preparing a building surface for decoration comprising the steps of application of a water-based non-cementitious surfacer material to the building surface, wherein the surfacer comprises 5 to 30% by weight of an aqueous dispersion of an organic polymer, said dispersion comprising 30 to 70% by weight of the organic polymer, 60 to 90% by weight of a filler and optionaly further additives and water and application of a glass fibre-based non-woven sheet onto the wet surfacer whereby one surface of the sheet is adhered to the wet surfacer.. . ... Sika Technology Ag

02/02/17 / #20170029676

Silane-terminated adhesive for joining joints in the naval field

An adhesive which includes at least one silane-functional polymer p; at least one catalyst for crosslinking silane-functional polymers, the catalyst being selected from the group including organo-titanate, organo-zirconate, and organo-aluminate; at least one base; and at least one adhesive selected from alkoxy mercaptosilane and amino alkoxysilane, for filling wood joints. The adhesive filled into the joints is preferably sanded after the curing process. ... Sika Technology Ag

02/02/17 / #20170029364

Amine for low-emission epoxy resin products

The present invention relates to an amine of the formula (i) which is an adduct of 1,2-propylenediamine with an aryl monoglycidyl ether, to the use thereof as part of a hardener for epoxy resins, and to epoxy resin compositions obtained therewith. The amine of the formula (i) is preparable in a simple process in high purity, is of very low viscosity and is especially suitable for the curing of epoxy resins. ... Sika Technology Ag

02/02/17 / #20170029333

Quick-drying building material composition based on a mineral hybrid binder

A quick-drying gypsum composition, in particular for use as gypsum filling compound and for the production of floor coverings, wherein the gypsum composition contains 20 to 70% of a mixture of calcium aluminate and calcium sulfate hemihydrate and/or anhydrite and/or calcium sulfate dihydrate as hydraulic binders and 30 to 80% by weight of fillers, and wherein the weight ratio of calcium aluminate to calcium sulfate hemihydrate and/or anhydrite and/or calcium sulfate dihydrate binders lies in the range from 1:1 to 1:5. Gypsum compositions of this type are characterized by a particularly beneficial shrinkage behavior, such that stresses and cracks in the dried composition can be avoided. ... Sika Technology Ag

01/12/17 / #a room temperature or low temperature curable epoxy formulation including a) an epoxy component including at least one epoxy resin and b) a hardener component including at least one compound of formula (i)

Sika Technology Ag

. . ... Sika Technology Ag

01/12/17 / #20170009028

Method for producing ready-to-use soft pvc films or profiles

The extrusion of polymer compositions based on polyvinyl chloride (pvc) and in particular to a method in which polymer compositions are produced that have an elongation at break of at least 200%, a tensile strength of at least 10 n/mm2 with a specific energy input sei of 0.03 to 0.20 kwh/kg and in particular 0.04 to 0.16 kwh/kg. The method is expediently carried out such that a plasticiser is added in a plurality of portions to the non-composed polyvinyl chloride and mixed into said polyvinyl chloride. ... Sika Technology Ag

01/05/17 / #20170002239

Polyurethane hot-melt adhesive having a low content of diisocyanate monomers and good cross-linking speed

A moisture-cured hot-melt adhesive can be formulated as a pur-hm that is r-40 classification-free and stable during storage and processing, having a residual monomer content of less than 1 wt. % and having good cross-linking density and full-curing speed. ... Sika Technology Ag

01/05/17 / #20170002231

Solvent-free polyurethane liquid membrane

The present disclosure relates to a two-component composition containing a polymer polyol, a dial chain extender, an aldimine of formula (i), optionally additional polyols and diphenylmethandiisocyanates in the two components. The composition is particularly suitable as a manually applicable solvent-free liquid film for coating and/or sealing floors and roofs. ... Sika Technology Ag

01/05/17 / #20170002201

Condensation-crosslinking silicones with improved resistance to temperature change

A silicone formulation that has a) at least one condensation-crosslinkable hydroxy- or alkoxy-terminated polydiorganosiloxane, b) at least one silane crosslinking agent or siloxane crosslinking agent for the hydroxy- or alkoxy-terminated polydiorganosiloxane and c) one or more fillers, where one filler is the main filler, the proportion by weight of which in the silicone formulation is greater than that of any other filler that may be present, and the decomposition temperature of the main filler is above 350° c., with the proviso that the proportion of the main filler in relation to the total weight of the fillers is at least 20% by weight. The silicone formulation is particularly suitable as resilient adhesive or sealant, more particularly for high-temperature applications, e.g. ... Sika Technology Ag








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