-
公开(公告)号:US20220372326A1
公开(公告)日:2022-11-24
申请号:US17623504
申请日:2020-06-22
申请人: BASF Coatings GmbH
发明人: Yang Zhang , Ji Ming Wang , Lei He , Christian Gerhard Schaefer , Wen Mei Liu , Ranjit Salvi , Stefan Hirsemann
IPC分类号: C09D167/00 , C07F7/18 , C07F7/08 , C09D133/14 , C09D7/65 , C09D7/63
摘要: Described herein is a 2K clearcoat composition including, Component I including a). at least one resin having carboxylic acid groups with acid value of 50 to 400 mg KOH/g; b). at least one resin having hydroxyl functional groups with a hydroxyl value of 10 to 800 mg KOH/g; c). at least one catalyst; and d). at least one solvent, and Component II including e). at least one epoxy-functional alkoxysilane and/or its oligomer and/or its polymer; and f). at least one crosslinker reactive to hydroxyl groups. Also described herein are a substrate coated with the dried and cured 2K clearcoat composition and an automotive including the substrate.