Radiation grafting for modifying adhesive property of polyethylene

Zhongyang Wang; Yajian Liu; Zuliang Chen; Yuehong Zhang

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Radiation grafting for modifying adhesive property of polyethylene

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- Radiation grafting for modifying adhesive property of polyethylene
- Nuclear Techniques Vol. 12, Issue 5, (1989)
- 作者机构：
  
  浙江省技术物理应用研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：30 November 1987，
  
  Published：1989-05
- 稿件说明：
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Zhongyang Wang, Yajian Liu, Zuliang Chen, et al. Radiation grafting for modifying adhesive property of polyethylene[J]. Nuclear techniques, 1989, 12(5): 267-272.
DOI：

Zhongyang Wang, Yajian Liu, Zuliang Chen, et al. Radiation grafting for modifying adhesive property of polyethylene[J]. Nuclear techniques, 1989, 12(5): 267-272. DOI：

摘要

本文主要介绍电子束预辐照聚乙烯粉料接枝丙烯酸以提高聚乙烯粘接力的研究结果。测定了产物的熔融指数、凝胶含量、表面张力及聚乙烯／铝箔热熔粘接力与辐照剂量、丙烯酸加入量的关系。经接枝改性的聚乙烯与铝箔热熔粘接的180°剥离强度可达2.45N/2.5cm，适用于食品包装复合膜。本文还探讨了接枝改性的可能机理。提出了“H”型和“T”型接枝的概念。

Abstract

The electron pre-irradiation of polyethylene powder and subsequent reaction with acrylic acid for modifying adhesive property of polyethylene were investigated. The dependences of melt index

gel content

surface tension and polyethylene/A1 foil adhesion on irradiation dose and acrylic acid content were measured. It was shown that adhesion between the grafted polyethylene and aluminium foil

as measured by a "180°" peel-test

reached the value of 2.45N/2.5cm. This material can be developed to produce laminate for food packing. The possible mechanism of graft modification was discussed. "H" and "T" graft models were proposed.

关键词

Keywords

references

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