Invention Grant
US08236896B2 Powdery processing aid for polyolefin resins, method for producing the same, resin composition and shaped article
有权
用于聚烯烃树脂的粉末加工助剂，其制备方法，树脂组合物和成型制品
- Patent Title: Powdery processing aid for polyolefin resins, method for producing the same, resin composition and shaped article
- Patent Title (中): 用于聚烯烃树脂的粉末加工助剂，其制备方法，树脂组合物和成型制品
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Application No.: US12741222Application Date: 2008-11-07
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Publication No.: US08236896B2Publication Date: 2012-08-07
- Inventor: Youko Hatae , Masaaki Kiura , Hideo Aoki , Osamu Okunaka , Toshihiro Kasai
- Applicant: Youko Hatae , Masaaki Kiura , Hideo Aoki , Osamu Okunaka , Toshihiro Kasai
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Rayon Co., Ltd.
- Current Assignee: Mitsubishi Rayon Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-289140 20071107
- International Application: PCT/JP2008/070292 WO 20081107
- International Announcement: WO2009/060936 WO 20090514
- Main IPC: C08F8/00
- IPC: C08F8/00 ; C08L23/04 ; C08L33/04 ; C08L33/06 ; C08L35/02
Abstract:
Disclosed are a powdery processing aid for polyolefin resins, containing an alkyl methacrylate polymer which has alkyl methacrylate units having an alkyl group with 2 to 6 carbon atoms as a main component and has a mass average molecular weight of 150,000 to 20,000,000, having good handling properties as a powder, having good dispersibility in polyolefin resins, and being able to improve shaping processability of polyolefin resins; and a polyolefin resin composition having improved shaping processability, which contains a powdery processing aid for polyolefin resins and a polyolefin resin.
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