Plasticized polyvinyl butyral and interlayer thereof

Details Plasticized polyvinyl butyral and interlayer thereof Plasticized polyvinyl butyral and interlayer thereof

1989-12-08

1991-05-07

Schofer, Joseph L.

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...

428437, C08K 511

Patent

active

050137808

ABSTRACT:
A composition of matter and an interlayer formed of such composition for a laminated glazing comprising polyvinyl butyral resin plasticized with a mixed adipate or a mixture of pure and mixed adipates made from: (a) at least one C.sub.4 to C.sub.9, preferably C.sub.6, alkyl alcohol and (b) at least one cyclo (C.sub.4 to C.sub.10), preferably C.sub.6, alcohol wherein the proportions of (a) and (b) in parts by weight per 100 parts of (a) and (b) are: (a) 10-90, preferably 30-80 and (b) 90-10, preferably 70-20.

REFERENCES:
patent: 3841955 (1974-10-01), Coaker et al.
patent: 3884865 (1975-05-01), Fariss et al.
patent: 4144217 (1979-03-01), Snelgrove et al.
patent: 4243572 (1981-01-01), Dages
patent: 4371586 (1983-02-01), Dages
patent: 4452935 (1984-06-01), Shigeru et al.

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