Plasticized polyvinyl butyral interlayers

Details Plasticized polyvinyl butyral interlayers Plasticized polyvinyl butyral interlayers

1983-08-15

1986-03-04

Ives, P. C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524311, 264176R, 428412, 428437, 428483, 428497, 428913, 252182, C08L 9100, C08K 510

Patent

active

045741360

ABSTRACT:
In a polyvinyl butyral (PVB) sheet plasticized with a multiester of an alcohol having 2 to 4 hydroxyl groups and a C.sub.16 to C.sub.20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule, which sheet does not craze polycarbonate or polyacrylate when in contact therewith, the addition of a synergistically effective amount of a monoester of a glycol and such C.sub.16 to C.sub.20 acid improves the low temperature penetration resistance and adhesion properties of such sheet without significant loss in its resistance to stress cracking polycarbonate or polyacrylate in a laminated glass assembly.

REFERENCES:
patent: 3402139 (1968-09-01), Mont et al.

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