申请人:Mitsubishi Chemical Corporation
公开号:EP3831878A1
公开(公告)日:2021-06-09
A polyvinyl alcohol film is provided, which is highly transparent, and excellent in antistatic property and cold-water solubility. The polyvinyl alcohol film contains: (A) a polyvinyl alcohol resin; and (B) an ester of a C2 to C4 fatty acid (b1) and a polyhydric alcohol (b2); wherein the ester (B) is present in an amount of 1 to 4,000 ppm.
本发明提供了一种聚乙烯醇薄膜,其透明度高,抗静电性能和冷水溶解性极佳。聚乙烯醇薄膜包含:(A) 聚乙烯醇树脂;和 (B) C2 至 C4 脂肪酸(b1)和多元醇(b2)的酯;其中酯(B)的含量为 1 至 4,000 ppm。