| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel shaped body and a polymer powder for production thereof, which have the disadvantages of the prior art shaped body and polymer powder only to a reduced degree, if at all.SOLUTION: A polyimide polymer powder is provided which is composed of at least one aromatic tetra-carboxylic acid dianhydride component (A) and at least one diamine component (B), and in which 60 to 100 mol% of the component (A) is composed of 3,3',4,4'-biphenyl tetracarboxylic acid dianhydride (BPDA), and 40 to 0 mol% of the component (A) is composed of pyromellitic dianhydride (PMDA), and in which the (B) is a mixture of p-phenylene diamine (p-PDA), m-phenylenediamine (m-PDA) and 4,4'-diamino-diphenyl ether (ODA). |
