-
公开(公告)号:US20230332020A1
公开(公告)日:2023-10-19
申请号:US18028237
申请日:2021-09-24
发明人: Uwe KELLER , Martin STEUER , Shinichi MUGURUMA , Hideki OOMOTO , Florian MUMMY
IPC分类号: C09J7/24 , C09D11/102 , B32B17/10 , B32B7/06
CPC分类号: C09J7/245 , C09D11/102 , B32B17/10761 , B32B17/10275 , B32B17/10036 , B32B7/06 , B32B2250/04 , B32B2255/10 , B32B2255/26 , B32B2307/4023 , B32B2307/7376 , B32B2605/00
摘要: The present invention relates to a composite film comprising a polyvinyl acetal with an obscuration area which is provided on a carrier film.