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:n a) 60–85% by weight of PVB resin, b) 14–39% by weight of a plasticizer, and c) 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. |