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    • 5. 发明申请
    • PVB Film for Composite Safety Glass and Composite Safety Glass
    • 复合安全玻璃和复合安全玻璃PVB薄膜
    • US20050256258A1
    • 2005-11-17
    • US10492307
    • 2002-10-10
    • Uwe KELLER
    • Uwe KELLER
    • C08K5/00B32B17/10B32B27/30C03C27/12C08J5/18C08K5/098C08K5/52C08L29/14
    • C08J5/18B32B17/10036B32B17/10688B32B17/10761B32B17/10834C08J2329/14C08K5/098C08K5/52Y10T428/31649C08L29/14
    • Composite glass with films based on partially acetalated polyvinyl alcohol containing a softening agent, especially PVB based, as an intermediate layer with magnesium salts or calcium salts of organic acids as an adhesion-reducing additive (anti-adhesive agent) exhibit large amounts of fluctions with regard to adhesion when the composite glass is subjected to thermal stress. According to the invention, phosphorous compounds are used, selected from the group consisting of organophosphites i.e. esters of phosphorinic acid with organic radicals, organophosphates, i.e. esters of orthonophosphoric acid, as an additive which during further processing compensates for fluctations in adhesion in films based on partially acetalated polyvinyl alcohol containing a softening agent. The invention is used in the production of films for the manufacture of safety glass, especially used in the building and automotive industry.
    • 含有软化剂(特别是PVB为基础)的部分缩醛化聚乙烯醇的复合玻璃作为具有有机酸的镁盐或钙盐作为粘合减少添加剂(抗粘合剂)的中间层,显示出大量的流动性 关于复合玻璃受到热应力时的粘合性。 根据本发明,使用磷化合物,其选自有机亚磷酸酯,即亚磷酸与有机基团的酯,有机磷酸酯,即邻磷磷酸的酯,作为添加剂,其在进一步处理期间补偿基于膜的粘合力的波动 含有软化剂的部分缩醛化聚乙烯醇。 本发明用于制造用于制造安全玻璃的膜,特别是用于建筑和汽车工业中。