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Title:
POLYMER COMPOSITION FOR MEDICAL BAG AND BAG FOR MEDICAL USE
Document Type and Number:
Japanese Patent JP3399136
Kind Code:
B2
Abstract:

PURPOSE: To provide a polymer composition for a medical bag having excellent flexibility, transparency, impact resistance and heat resistance, and to provide a bag for medical use made of the same polymer.
CONSTITUTION: A polymer composition for a medical bag characteristically composed of 70-90wt.% a component (A) and 30-10wt.% a component (B), and a bag for medical use obtained by blow molding the polymer composition. The component (A) is a propylene-α-olefin random copolymer containing 2.5-8wt.% α-olefin other than propylene and has 0.1-20g/10min melt flow rate. The component (B) is an ethylenic polymer comprising component (B1) and component (B2) shown below and a weight ratio ((B1):(B2)) is (90:10)-(10:90). Component (B1): an ethylene-propylene copolymer containing 60-90wt.% ethylene and having 1-20g/10min melt flow rate at 230°C, and component (B2): an ethylene-butene-1 copolymer containing 65-95wt.% ethylene and having 1-50g/10min melt flow rate at 230°C.


Inventors:
Miyazaki, Tadao
Ito, Shoji
Nishitani, Yoshinori
Application Number:
JP3681095A
Publication Date:
April 21, 2003
Filing Date:
February 24, 1995
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP
International Classes:
A61J1/10; B29C49/00; B29D22/00; C08K5/52; C08L23/14; C08L23/16; C08L23/18; B29K23/00; (IPC1-7): C08L23/14; A61J1/10; C08K5/52
Attorney, Agent or Firm:
長谷川 曉司