C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5926, 400/92
C08L 29/14 (2006.01) B32B 17/10 (2006.01) C08K 5/06 (2006.01)
Patent
CA 1164123
TITLE Abstract Plasticized polyvinyl butyral compositions are disclosed. The compositions comprise polyvinyl butyral having a hydroxyl content of 15-30% by weight in compatible admixture with 10-70 parts, per 100 parts of polyvinyl butyral, of at least one propylene oxide oligomer having an average molecular weight of 300 to 2500. The com- positions, especially in the form of sheeting, may be used in laminations with glass, polymethyl methacrylate and polycarbonate.
378545
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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