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US 2019/0291390 A1Published application
Polymer interlayers comprising uv absorbers
AssigneeSolutia Inc.
InventorsBenjamin Bristol Thompson, John Joseph D'Errico
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Abstract
A UV stable polymer composition comprising a poly(vinyl acetal) resin, a plasticizer and at least one UV absorber, wherein the ultraviolet absorber comprises structure (1)
Claims14
A UV stable polymer interlayer comprising:
- a poly(vinyl butyral) resin;
- a plasticizer;
- and
- an ultraviolet absorber comprising structure (1)
- wherein R1 and R2 are each independently a C1 to C40 substituent, and at least one of R1 and R2 comprises an aryl substituent.
2 more elements
A UV stable polymer interlayer comprising:
- a poly(vinyl butyral) resin;
- a plasticizer;
- and
- an ultraviolet absorber comprising 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol or 2-(2H-benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol or a mixture thereof.
1 more element
Dependencies are inferred from the claim text.