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Braskem America Inc patents


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

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Electron donor for polyolefin polymerization catalysts and uses thereof

Disclosed in certain embodiments is an electron donor for a polyolefin polymerization catalyst. In some embodiments, a solid catalyst component includes a metal component and the electron donor that form a catalyst on a support.. ... Braskem America Inc

Modified polypropylene and polymer blends thereof

A propylene-based polymer composition is characterized by a melt strength at 190° c. Of at least 20 cn, a melt drawability at 190° c. ... Braskem America Inc

Long-chain branched polymers and production processes

This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.. ... Braskem America Inc

Composition comprising polypropylene and polyol, and method of making the same

A composition includes (a) a polypropylene or a polypropylene copolymer, (b) a polycarbonate polyol, and (c) optionally an organic peroxide. The polyol (b) is in the range of from about 0.01 wt. ... Braskem America Inc

Clear and impact resistant polymer composition and fabricated article

A polymer composition providing optical clarity and impact resistance includes from about 40 weight percent (wt. %) to about 99.9 wt. ... Braskem America Inc

Low emission propylene-based polymer resins

A propylene-based polymer resin is characterized by a low volatile emission signature. For example, the propylene-based polymer resin may have a volatile organic compound content no greater than 125 ppm, a semi-volatile organic compound content no greater than 500 ppm, and a c36 oligomeric content no greater than 250 ppm.. ... Braskem America Inc








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