申请人:MITSUI TOATSU CHEMICALS, Inc.
公开号:EP0267289A1
公开(公告)日:1988-05-18
A polyimide resin composition, which comprises 100 parts by weight of a polyimide having repeating units represented by general formula (I), (wherein Y represents a direct bond, a divalent hydrocarbyl group having 1 to 10 carbon atoms, a hexafluoroisopropylidene group, a carbonyl group, a thio group, a sulfinyl group, a sulfonyl group or an oxido group, and R represents a tetravalent aliphatic group having 2 or more carbon atoms, alicyclic group, monocylic aromatic group, fused polycyclic aromatic group or non-fused cyclic aromatic group wherein aromatic groups are linked to each other directly or via a linking member) and 5 to 100 parts by weight of fibrous reinforcing material such as glass fibers, carbon fibers, potassium titanate fibers, aromatic polymide fibers, etc. This resin composition has excellent heat resistance, dimensional stability, and mechanical strength and is a useful material for manufacturing electric or electronic components, precision machine parts, etc. The polyimide to be used can be prepared from an aromatic ether diamine and a tetracarboxylic acid dianhydride, using 4,4'-bis(3-amino- phenoxy)biphenyl, 2,2'-bis(4-(3-aminophenoxy)phenyl)-propane, bis(4-(3-aminophenoxy)phenyl) sulfide, etc. as the ether diamine and pyromellitic dianhydride, 3,3',4,4'-benzophenonetetracarboxylic acid dianhydride, etc. as the tetracarboxylic acid dianhydride.
一种聚酰亚胺树脂组合物,它包括 100 重量份的具有通式(I)代表的重复单元的聚酰亚胺,(其中 Y 代表直接键、具有 1 至 10 个碳原子的二价烃基、六氟异亚丙基、羰基、硫基、亚磺酰基、磺酰基或氧化基、和 R 代表具有 2 个或 2 个以上碳原子的四价脂肪族基团、脂环族基团、单环芳香族基团、熔合多环芳香族基团或非熔合环芳香族基团,其中芳香族基团直接或通过连接构件相互连接)以及 5 至 100 重量份的纤维增强材料,如玻璃纤维、碳纤维、钛酸钾纤维、芳香族聚酰亚胺纤维等。这种树脂组合物具有优异的耐热性、尺寸稳定性和机械强度,是制造电气或电子元件、精密机械零件等的有用材料。使用的聚酰亚胺可以由芳香族醚二胺和四羧酸二酐制备,使用 4,4'-双(3-氨基苯氧基)联苯、2,2'-双(4-(3-氨基苯氧基)苯基)丙烷、双(4-(3-氨基苯氧基)苯基)硫醚等作为醚二胺和四羧酸二酐。作为醚二胺和吡咯二酸酐,3,3',4,4'-二苯甲酮四羧酸二酸酐等作为四羧酸二酸酐。