Title:
ヘテロファジックプロピレン重合材料及びプロピレン系樹脂組成物
Document Type and Number:
Japanese Patent JP7088165
Kind Code:
B2
Abstract:
A heterophasic propylene polymerization material, including a propylene polymer component (I) and an ethylene-α-olefin copolymer component (II), the heterophasic propylene polymerization material satisfying features (i) to (v): (i) the heterophasic propylene polymerization material contains a xylene-soluble content by 20 wt% or more; (ii) xylene-soluble content in the heterophasic propylene polymerization material has a limiting viscosity [η]cxsnot less than 5 dL/g; (iii) a melt flow rate of the propylene polymer component (I) is 70 g/10 min or more; (iv) MFR of the heterophasic propylene polymerization material is not less than 5 g/10 min; and (v) the number of gels of 100 µm or more in diameter on a sheet for counting gels, including the heterophasic propylene polymerization material, is 1000 or less per 100 cm2of the sheet.
Inventors:
Hidekazu Yamada
Masahiro Yanagisawa
Masahiro Yanagisawa
Application Number:
JP2019506002A
Publication Date:
June 21, 2022
Filing Date:
March 12, 2018
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C08F297/06; C08K3/013; C08L23/08; C08L23/10; C08L53/00
Domestic Patent References:
| JP2015537089A | ||||
| JP2015535549A | ||||
| JP2002012734A | ||||
| JP2013523900A | ||||
| JP2011195661A | ||||
| JP7286022A | ||||
| JP2011190408A |
Foreign References:
| WO2019189486A1 |
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto
Toru Sakamoto