SURFACE GRAFTING OF PRE-PEROXIDIZED POLYOLEFINL FILMS BY UV-IRRADIATION

HE Ming-bo; HU Xing-zhou

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SURFACE GRAFTING OF PRE-PEROXIDIZED POLYOLEFINL FILMS BY UV-IRRADIATION

Research Article | 更新时间：2021-03-19

- SURFACE GRAFTING OF PRE-PEROXIDIZED POLYOLEFINL FILMS BY UV-IRRADIATION
- Acta Polymerica Sinica Issue 3, Pages: 275-279(1989)
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- Published：20 June 1989，
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HE Ming-bo, HU Xing-zhou. SURFACE GRAFTING OF PRE-PEROXIDIZED POLYOLEFINL FILMS BY UV-IRRADIATION. [J]. Acta Polymerica Sinica (3):275-279(1989)
DOI：

HE Ming-bo, HU Xing-zhou. SURFACE GRAFTING OF PRE-PEROXIDIZED POLYOLEFINL FILMS BY UV-IRRADIATION. [J]. Acta Polymerica Sinica (3):275-279(1989) DOI：

摘要

将经表面热氧化的聚丙烯和聚乙烯膜在不加敏化剂的情况下

通过紫外光照射与光稳定剂甲基丙烯酸(2

6-四甲基哌啶)酯进行接枝聚合

以改善膜的光稳定性。研究了各种因素

包括热氧化时间

光照射时间、单体浓度及溶剂等对表面预氧化膜的光接枝含量的影响。实验结果表明

常用的有机溶剂除酮类外均不能使膜接枝;接枝以后膜的光稳定性有很大的提高。

Abstract

Thermal peroxidized PP films and PE films were graft copolymerized with a light stabilizer

6-tera-methyl-piperidinyl-merhacrylate (MTMP)

by UV-irradiation in the absence of sensitizers in order to improve the photostability of films. The influence of various factors

including the thermal peroxidizing time

irradiation time

monomer concentration and the type of solvents

on the grafting content of the peroxidized films was examined. It is shown that the graft copolymerization can not take place in common organic solvents except ketones

and the photostability of either grafted PP or grafted PE film increases greatly com-pared with that of the ungrafted film.

关键词

聚烯烃表面光接枝聚合光稳定性

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