Title:
POLYOLEFIN COMPOSITION AND PRODUCTS STERILIZABLE BY GAMMA RADIATION RAY
Document Type and Number:
Japanese Patent JPS5874736
Kind Code:
A
Abstract:
Polyolefin compositions and articles, especially articles of medical ware, such as polypropylene hypodermic syringes, are made more resistant to the embrittlement which accompanies sterilization by high energy (e.g. gamma) irradiation by the addition to a polyolefin of narrow molecular weight distribution of a heterocyclic hindered amine and, optionally, a liquid modifier.
Inventors:
MAACHIN JIEFURI REINAA
Application Number:
JP17771482A
Publication Date:
May 06, 1983
Filing Date:
October 12, 1982
Export Citation:
Assignee:
ICI LTD
International Classes:
C08L23/00; A61L2/08; A61M5/178; C08F2/54; C08K5/17; C08K5/32; C08K5/34; C08K5/3435; C08L7/00; C08L21/00; C08L33/00; C08L33/02; C08L51/00; C08L51/02; C08L77/00; C08L101/00; (IPC1-7): A61M5/18; C08K5/17; C08K5/32; C08K5/34; C08L23/02
Domestic Patent References:
| JPS4921389A | 1974-02-25 | |||
| JPS5857444A | 1983-04-05 | |||
| JPS5849737A | 1983-03-24 | |||
| JPS5842638A | 1983-03-12 |
Attorney, Agent or Firm:
Aoki Akira