Photografting of Maleic Anhydride on Low Density Polyethylene Powder in the Vapor Phase

被引：0

作者：

Jun Gao

Jingxin Lei

Zujun Su

Baoshan Zhang

Jian Wang

机构：

[1] Polymer Research Institute of Sichuan University,

[2] Resin Proc. and Appl. Institute of Qilu Petrochemical Cooperation,undefined

来源：

Polymer Journal | 2001年 / 33卷

关键词：

Low Density Polyethylene Powder; Maleic Anhydride; Photografting; Surface Modification; Peel Strength;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Graft copolymerization reaction of maleic anhydride (MAH) on low density polyethylene (LDPE) powder, the surface structure and adhesive properties of grafted LDPE powder were studied by grafting measurement, Fourier transform infrared (FT-IR), electron spectroscopy for chemical analysis (ESCA) and peel strength test. The surface of chemical inert LDPE powder can be graft-copolymerized with MAH by photografting in the vapor phase. In this way, grafting is increased with reaction time and temperature. Suitable reaction temperature should be over the melting point of MAH (52.8°C). The peel strength of LDPE and steel adhered by the grafted LDPE powder is much enhanced compared with that by ungrafted LDPE powder. At 80°C graft copolymerization temperature and 2.5 h copolymerization reaction time, grafted powder has a very good adhesive property to LDPE and steel, and the sample breaks in the peel strength test. In this case, LDPE bulk strength is lower than adhesion strength.

引用

页码：147 / 149

页数：2

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