申请人:Sekisui Chemical Co., Ltd.
公开号:EP2623474A1
公开(公告)日:2013-08-07
The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of the obtained laminated glass, and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer, and the polyvinyl acetal resin and the first plasticizer are a polyvinyl acetal resin and a first plasticizer which have a cloud point of 5°C or lower when the cloud point is measured using a solution prepared by dissolving 8 parts by weight of the polyvinyl acetal resin in 100 parts by weight of the first plasticizer; and the laminated glass 11 of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.
本发明旨在提供一种用于夹层玻璃的中间膜,在用于构成夹层玻璃的情况下,该中间膜能够改善所获得的夹层玻璃和夹层玻璃的隔音性能。本发明的夹层玻璃中间膜 1 包括第一层 2,第一层 2 中含有聚乙烯醇缩醛树脂和增塑剂,聚乙烯醇缩醛树脂和第一增塑剂是聚乙烯醇缩醛树脂和第一增塑剂,在使用将 8 重量份的聚乙烯醇缩醛树脂溶解在 100 重量份的第一增塑剂中制备的溶液测量浊点时,浊点为 5°C 或更低;本发明的夹层玻璃 11 包括夹层玻璃的第一和第二组分,以及夹在夹层玻璃的第一和第二组分之间的夹层玻璃中间膜 1。