- 专利标题： PROPYLENE RESIN COMPOSITION, SHAPED ARTICLE AND PROPYLENE POLYMER
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申请号： US17440162申请日： 2020-03-17
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公开(公告)号： US20220145052A1公开(公告)日： 2022-05-12
- 发明人: Keita ITAKURA , Katsuhiko KOIKE , Ryoko HIROI , Hiroyuki FUKUSHIMA , Kou TSURUGI , Atsushi SHIBAHARA , Fumiaki NISHINO , Kohei TANAKA , Yasuhiro KAI , Naoya NODA , Kenji MICHIUE , Takanori FURUTA
- 申请人： MITSUI CHEMICALS, INC. , PRIME POLYMER CO., LTD.
- 申请人地址： JP Tokyo; JP Tokyo
- 专利权人： MITSUI CHEMICALS, INC.,PRIME POLYMER CO., LTD.
- 当前专利权人： MITSUI CHEMICALS, INC.,PRIME POLYMER CO., LTD.
- 当前专利权人地址： JP Tokyo; JP Tokyo
- 优先权： JP2019-051001 20190319
- 国际申请： PCT/JP2020/011692 WO 20200317
- 主分类号： C08L23/10
- IPC分类号： C08L23/10 ; C08F110/06 ; C08F210/16
摘要：
A propylene resin composition includes a propylene polymer (A) satisfying requirements (1) to (3) below: (1) having a number average molecular weight (Mn) measured by gel permeation chromatography (GPC) of 5000 to 22000; (2) having a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) measured by gel permeation chromatography (GPC) being 1.2 to 3.5; and (3) having a proportion of a component eluted at a temperature of not more than −20° C. in temperature rising elution fractionation (TREF) being not more than 3.5 mass %.
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