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Patent Searching and Data


Title:
HETEROPHASIC PROPYLENE POLYMERIC MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/025863
Kind Code:
A1
Abstract:
Provided is a heterophasic propylene polymeric material which comprises a propylene homopolymer component or a specific propylene copolymer component, and a specific ethylene-α-olefin copolymer component, wherein (i) a xylene-soluble component accounts for 40 wt% or more, (ii) a xylene-insoluble component has a limiting viscosity [η]CXIS of 1.50 dL/g or more, (iii) the ratio of the limiting viscosity [η]CXIS of the xylene-soluble component to the limiting viscosity [η]CXIS of the xylene-insoluble component is 1.5 or lower, and (iv) the contained amount of monomer units derived from ethylene and α-olefins having 4-12 carbon atoms in the xylene-insoluble component is 6 wt% or more.

Inventors:
YAMADA, Hidekazu (LIMITED 5-1, Anesaki-Kaigan, Ichihara-sh, Chiba 95, 〒2990195, JP)
Application Number:
JP2017/027903
Publication Date:
February 08, 2018
Filing Date:
August 01, 2017
Export Citation:
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Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 〒1048260, JP)
International Classes:
C08L23/10; B09B1/00; C08L23/08
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (LIMITED 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, 〒5418550, JP)
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