发明申请
US20020095019A1 Polyaddition products containing hydroxyl and uretdione groups, process for their preparation, their use for the production of highly reactive polyurethane powder coatings which are free from elimination products, and the polyurethane powder coatings produced accordingly
失效
含有羟基和脲二酮基团的加成产物，其制备方法，用于生产不含消除产物的高反应性聚氨酯粉末涂料，以及相应地生产的聚氨酯粉末涂料
- 专利标题： Polyaddition products containing hydroxyl and uretdione groups, process for their preparation, their use for the production of highly reactive polyurethane powder coatings which are free from elimination products, and the polyurethane powder coatings produced accordingly
- 专利标题（中）： 含有羟基和脲二酮基团的加成产物，其制备方法，用于生产不含消除产物的高反应性聚氨酯粉末涂料，以及相应地生产的聚氨酯粉末涂料
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申请号： US09993524申请日： 2001-11-27
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公开(公告)号： US20020095019A1公开(公告)日： 2002-07-18
- 发明人: Rainer Gras
- 申请人： Huels Aktiengesellschaft
- 申请人地址： DE Marl
- 专利权人： Huels Aktiengesellschaft
- 当前专利权人： Huels Aktiengesellschaft
- 当前专利权人地址： DE Marl
- 优先权： DEP4406444.6 19940228
- 主分类号： C08G018/74
- IPC分类号： C08G018/74
摘要：
Polyaddition products containing hydroxyl and uretdione groups, a process for their preparation, their use for the production of highly reactive polyurethane (PUR) powder coatings which are free from elimination products and which crosslink to give light-stable and weather-stable coating films of high gloss, and the powder coatings produced accordingly are provided.
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