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Patent Searching and Data


Title:
PROPYLENE-BASED POLYMER COMPOSITION
Document Type and Number:
Japanese Patent JPH11349778
Kind Code:
A
Abstract:

To obtain the subject composition having excellent balance between antistatic properties and low bleeding properties by mixing a specific propylene block copolymer with a specific compound.

This composition is obtained by compounding (A) 100 pts.wt. of a propylene block copolymer which comprises (i) a polymer block composed of a propylene homopolymer or a random copolymer of (a) propylene and (b) ≤10 mol.% of a copolymerizable monomer of ethylene and/or a 4-20C α-olefin and (ii) a polymer block composed of a random copolymer of the component (a) and 10-80 mol.% of the component (b), satisfying the equation nb≤n+1.5 (nb is the average chain length of block of the component (b); (n) is the total average chain length of the component (b)) and has 0.1-200 g/10 minutes melt flow rate with (B) 0.001-1 pt.wt. of a fatty acid glycol ester and/or a fatty acid diethanolamide compound.


Inventors:
OGASAWARA TAKESHI
OSEGAKI KIMIO
TAYANO TAKAO
SUZUKI TORU
SUGANO TOSHIHIKO
Application Number:
JP15814798A
Publication Date:
December 21, 1999
Filing Date:
June 05, 1998
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP
International Classes:
C08K5/10; C08K5/20; C08L53/00; (IPC1-7): C08L53/00; C08K5/10; C08K5/20
Attorney, Agent or Firm:
Takano Mifune