Laminated safety glass
AssigneesSekisui Kagaku Kogyo Kabushiki Kaisha, Tokuyama Sekisui Kogyo Kabushiki Kaisha
InventorsTakeshi Mori, Toshiyuki Takashima, Kenichi Asahina, Toshiharu Matsumiya, Ariyasu Sugita
Life of this patent
Estimating the term…
Abstract
A composition for an interlayer film of a laminated safety glass, said composition comprising (A) a thermoplastic resin resulting from copolymerization of (1) vinyl chloride, (2) glycidyl methacrylate and (3) at least one monomer selected from the group consisting of ethylenic hydrocarbons, vinyl esters of fatty acids, acrylic esters and vinyl ethers, and (B) a plasticizer.
Claims1
In a laminated safety glass comprising two glass sheets bonded by an interlayer, the improvement wherein said interlayer comprises (A) a thermoplastic resin resulting from copolymerization of (1) 80 to 98.5% by weight of vinyl chloride, (2) 1 to 10% by weight of glycidyl methacrylate and (3) 0.5 to 10% by weight of ethylene, and (B) 10 to 40% by weight of a plasticizer.
Dependencies are inferred from the claim text.