PVB film containing a plastifying agent

Details PVB film containing a plastifying agent PVB film containing a plastifying agent

2006-01-03

2006-01-03

Lipman, Bernard (Department: 1713)

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...

C428S411100, C428S437000, C524S317000, C525S061000

Reexamination Certificate

active

06982296

ABSTRACT:
The present invention relates to a plasticized foil based on a partially acetalized polyvinyl alcohol (PVB resin) and suitable as an intermediate layer in a laminated safety glass, and comprising:a) 60–85% by weight of PVB resin,b) 14–39% by weight of a plasticizer, andc) up to 10% by weight of one or more non-ionic surfactants as an additive increasing the solubility of the plasticizer in the PVB resin wherein all weight percents are based on the total foil.

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