Invention Grant
US08742046B2 Maleimide copolymer, process for the production thereof, and heat resistant resin compositions containing same
有权
马来酰亚胺共聚物，其制备方法和含有它们的耐热树脂组合物
- Patent Title: Maleimide copolymer, process for the production thereof, and heat resistant resin compositions containing same
- Patent Title (中): 马来酰亚胺共聚物，其制备方法和含有它们的耐热树脂组合物
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Application No.: US13144509Application Date: 2010-01-15
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Publication No.: US08742046B2Publication Date: 2014-06-03
- Inventor: Tetsuo Noguchi , Koichi Ozawa
- Applicant: Tetsuo Noguchi , Koichi Ozawa
- Applicant Address: JP Tokyo
- Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
- Current Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Stein IP, LLC
- Priority: JP2009-007380 20090116
- International Application: PCT/JP2010/050384 WO 20100115
- International Announcement: WO2010/082617 WO 20100722
- Main IPC: C08F212/04
- IPC: C08F212/04 ; C08F8/32 ; C08F222/04 ; C08F222/40 ; C08L25/12 ; C08L35/06 ; C08L51/04 ; C08L55/02
Abstract:
Provided is a maleimide copolymer which exhibits an excellent hue, an effect of imparting high heat resistance, and excellent kneadability. Specifically provided is a maleimide copolymer which comprises 50 to 60 mass % of a styrene monomer unit, 30 to 50 mass % of a maleimide monomer unit, and 0 to 10 mass % of an unsaturated dicarboxylic anhydride monomer unit, and which has a weight-average molecular weight (Mw) of 90,000 to 130,000 and a residual maleimide monomer content of 300 ppm or lower.
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