MOLECULAR-WEIGHT AND ANTIOXIDANT EFFECTS ON THE STRUCTURE OF IRRADIATED LINEAR LOW-DENSITY POLYETHYLENE

被引：0
|
作者：
TRIPODI, S
CARELLA, JM
CURZIO, OA
VALLES, EM
机构：
[1] UNIV NACL SUR,CONSEJO NACL INVEST CIENT & TECN,PLANTA PILOTO INGN QUIM,CC 717,RA-8000 BAHIA BLANCA,ARGENTINA
[2] UNIV NACL SUR,RADIOISOTOPOS LAB,RA-8000 BAHIA BLANCA,ARGENTINA
来源：
RADIATION PHYSICS AND CHEMISTRY | 1991年 / 38卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Linear copolymers of ethylene and butene-1 with uniform chemical microstructure and very narrow molecular weight distribution are used to study the effects of ionizing radiation. The well characterized copolymers are irradiated at room temperature with gamma-rays from a Co-60 source. To follow the evolution of the molecular structure with the radiation doses, changes in molecular weight averages M(n) and M(w) are measured by membrane osmometry, light scattering and GPC. The influence of the original linear polymer molecular weight is examined in the range of 50,000-100,000. The effects of antioxidant are explored irradiating samples with and without additive.
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页码：89 / 94
页数：6
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