Solutia Inc patents

Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties

Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one ri balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.. ... Solutia Inc

Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties

Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one ri balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.. ... Solutia Inc

Sound insulation panels having high interlayer thickness factors

A multiple layer panel having improved sound insulation is disclosed. The multiple layer panel comprises a first rigid substrate having a first thickness h3, a second rigid substrate having a second thickness h1, wherein h3≤h1, and a multiple layer acoustic interlayer having a thickness h2 between the first and second rigid substrates.. ... Solutia Inc

Asymmetric laminates comprising asymmetric multiple layer interlayer

An asymmetric multiple layer interlayer and an asymmetric sound insulating multiple layer panel is disclosed. The panel comprises a first rigid substrate having a first thickness, a second rigid substrate having a second thickness, wherein the first thickness is less than the second thickness, and an asymmetric multiple layer acoustic interlayer between the first and second rigid substrates, wherein the multiple layer comprises a first stiff layer having a first stiff layer thickness, a second stiff layer having a second stiff layer thickness, and an inner layer between the first and second outer layers, and wherein the inner layer is non-centrally located.. ... Solutia Inc

Blends of poly(vinyl acetal) resins for compositions, layers, and interlayers having enhanced optical properties

Resin compositions, layers, and interlayers comprising two or more poly(vinyl acetal) resins and at least one blending agent or haze reducing agent are provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.. ... Solutia Inc

Multiple layer interlayers having enhanced properties

Multiple layer interlayers comprising pairs of alternating polymer layers are provided, along with methods of making and using the same. Multiple layer interlayers according to embodiments of the present invention may include more than three polymer layers and may exhibit desirable acoustic and optical properties, which may make them suitable for use in various types of multiple layer panels, including safety glass for automotive and architectural applications.. ... Solutia Inc

Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties

Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one ri balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.. ... Solutia Inc

Sound attenuating multiple layer laminates

Disclosed is an improved sound insulating multiple layer panel. The improved panel comprises: a first panel having a first thickness; a first interlayer having a first interlayer thickness and a first glass transition temperature of less than 25° c. ... Solutia Inc

Polymer interlayers having improved sound insulation properties

A polymer interlayer comprising a layer comprising a poly(vinyl acetal) resin having a residual hydroxyl content and a residual acetate content, and a plasticizer, wherein the residual hydroxyl content, the residual acetate content and the plasticizer are selected such that the polymer interlayer has at least one glass transition temperature less than about 20° c. And a peak tan delta of greater than 1.29, and a glass panel having a configuration of 2.3-mm glass//interlayer//2.3-mm glass and at 20° c. ... Solutia Inc

Polymer interlayers having improved sound insulation properties

A polymer interlayer comprising a layer comprising a poly(vinyl acetal) resin having a residual hydroxyl content and a residual acetate content, and a plasticizer, wherein the residual hydroxyl content, the residual acetate content and the plasticizer are selected such that the polymer interlayer has at least one glass transition temperature less than about 20° c. And a peak tan delta of greater than 1.33, and a glass panel having a configuration of 2.3-mm glass//interlayer//2.3-mm glass and at 20° c. ... Solutia Inc

Defect resisting acoustic polymer interlayers

This disclosure is related to the field of polymer interlayers for multiple layer glass panels and multiple layer glass panels having at least one polymer interlayer sheet. Specifically, this disclosure is related to the field of polymer interlayers comprising multiple thermoplastic layers which resist the formation of optical defects.. ... Solutia Inc

Multilayer interlayer having sound damping properties over a broad temperature range

A polymer interlayer having improved sound insulation is disclosed. The polymer interlayer comprises: at least one soft layer wherein the soft layer comprises a poly(vinyl butyral) resin composition having a dispersity in composition of at least 0.40 and a plasticizer; and a stiff layer comprising a poly(vinyl butyral) resin composition and a plasticizer; wherein the polymer interlayer has a damping loss factor () (as measured by mechanical impedance measurement according to iso 16940) of at least about 0.15 measured at two or more different temperatures selected from 10° c., 20° c. ... Solutia Inc

Multiple layer interlayer having improved optical and sound insulation properties

Multilayered interlayers having good acoustic properties comprising a stiff skin layer(s) and a soft core layer(s) are disclosed. The multilayered interlayers comprise: a first polymer layer (skin layer) comprising plasticized poly(vinyl acetal) resin; a second polymer layer (core layer) comprising plasticized poly(vinyl acetal) resin; wherein at least one plasticizer is a high refractive index plasticizer. ... Solutia Inc

Interlayers comprising optical films having enhanced optical properties

An interlayer comprising a first polymer layer, a polarization rotary optical film and optionally a second polymer layer, and multiple layer panels formed from such interlayers. The panels may exhibit desirable optical properties, including, for example, less image “ghosting,” when used as part of a heads-up-display (hud) display panel for use in automotive and aircraft applications.. ... Solutia Inc