申请人:Asahi Kasei Chemicals Corporation
公开号:EP2628760A1
公开(公告)日:2013-08-21
[Problem to be Solved]
An object of the present invention is to provide a polyphenylene ether powder that has a high loose apparent specific gravity and good handleability, as well as a high solvent solubility, and good covering properties by coating, applying and the like, and further, when formed as a covering film, providing the covering film with excellent mechanical properties.
[Solution]
The polyphenylene ether powder according to the present invention has a loose apparent specific gravity of 0.40 or more and 0.85 or less, and includes 5 to 20 mass% of a component having a molecular weight of 50,000 or more and 12 to 30 mass% of a component having a molecular weight of 8,000 or less.
[有待解决的问题]
本发明的目的是提供一种聚苯醚粉末,该粉末具有较高的松散表观比重和良好的可操作性,以及较高的溶剂溶解性,并通过涂覆、涂抹等方式具有良好的覆盖性能,此外,当形成覆盖膜时,该覆盖膜还具有优异的机械性能。
[解决方案]
根据本发明的聚苯醚粉末的松散表观比重为 0.40 或更大,0.85 或更小,包括 5 至 20 质量%的分子量为 50,000 或更大的组分和 12 至 30 质量%的分子量为 8,000 或更小的组分。