合わせガラス用中間膜及び合わせガラス

Japanese Patent JP4263819

B2

PROBLEM TO BE SOLVED: To produce an intermediate film for sandwich glass which is excellent in the basic performance as the intermediate film for the sandwich glass, such as transparency, light resistance, weatherability, impact resistance and adhesiveness, has excellent moisture resistance and antistatic property, is free of the possibility of the outbreak of a fire during autoclaving in manufacturing the sandwich glass and is improved in trim cut workability for the ends of the sandwich glass. SOLUTION: This intermediate film for the sandwich glass consists of 100 pts.wt. polyvinyl acetal resin, 20 to 60 pts.wt. triethylene glycol di-2- ethylhexanoate, 0.01 to 0.1 pt.wt. mixture composed of magnesium 2-ethylacetate and magnesium acetate and 0.005 to 0.5 pt.wt. 4-12C potassium carboxylate, in which the mixture satisfies the relation 0.5