Patent ID: 6586103
Filing Date: 2003-07-01
Classification: B32B,C08J,C08K,Y10T

Abstract:
An interlayer film for laminated glass comprising a plasticized poly(vinyl acetal) resin film,wherein, when laminated glass fabricated by interposing said interlayer film for laminated glass between a pair of glass sheets each 2.0 to 4.0 mm thick is allowed to sit in an environment of 80Â° C. and 95% relative humidity for 2 weeks, the distance of whitening from its edge is not greater than 7 mm, and when said interlayer film for laminated glass is allowed to sit at 150Â° C. for 1 hour, its weight loss is not greater than 3 weight %, wherein the plasticized poly(vinyl acetal) is supplemented with at least two kinds of salts selected from the group consisting of magnesium salts of carboxylic acids containing 2 to 10 carbon atoms, or with at least two kinds of salts selected from the group consisting of potassium salts of carboxylic acids containing 2 to 10 carbon atoms.