STUDY OF PHOTOINITIATED SOLID PHASE GRAFTING MALEIC ANHYDRIDE ONTO POLYPROPYLENE POWDER

GU Hui; ZHANG Zhiqian; WEI Yuezhen

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STUDY OF PHOTOINITIATED SOLID PHASE GRAFTING MALEIC ANHYDRIDE ONTO POLYPROPYLENE POWDER

Research Bulletin | 更新时间：2021-03-19

- STUDY OF PHOTOINITIATED SOLID PHASE GRAFTING MALEIC ANHYDRIDE ONTO POLYPROPYLENE POWDER
- Acta Polymerica Sinica Issue 5, Pages: 603-607(1998)
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- Published：20 October 1998，
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GU Hui, ZHANG Zhiqian, WEI Yuezhen. STUDY OF PHOTOINITIATED SOLID PHASE GRAFTING MALEIC ANHYDRIDE ONTO POLYPROPYLENE POWDER. [J]. Acta Polymerica Sinica (5):603-607(1998)
DOI：

GU Hui, ZHANG Zhiqian, WEI Yuezhen. STUDY OF PHOTOINITIATED SOLID PHASE GRAFTING MALEIC ANHYDRIDE ONTO POLYPROPYLENE POWDER. [J]. Acta Polymerica Sinica (5):603-607(1998) DOI：

摘要

聚丙烯（ＰＰ）由于其优越的性能价格比而具有广泛的用途

但ＰＰ的非极性、易氧化等缺点使其在一些重要领域中的应用受到限制

因此需采用涂层法、等离子体处理、接枝法等方法对ＰＰ改性．其中ＰＰ表面接枝共聚法可使其脱去主链氢原子

引入极性基团

改善染色性和亲水性

且保持本身原有的特性

因此是一种非常有效的ＰＰ改性技术．表面接枝法有射线辐照接枝、紫外辐照接枝、化学法（引发剂）接枝、等离子体接枝等方法

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Abstract

MAH is grafted on PP powder surface by photoinitiated solid phase graft copolymerization with BP or MK as photosensitizer.The grafting degree

which is influenced by factors of the concentration of photosensitizer

reaction temperature

irradiation time

and surface treatment of PP is studied.The grafting extent and crystal structure of MAH_gPP are characterized by XPS

WAXD and FT IR.Results indicated the grafting degree increases with the concentration of MK

the preferred reaction temperature is 24℃.After plasma treating and the first-grafting of PP surface

the adsorption of the monomer on PP surface increases.The contact state between the monomer and PP macromolecule is improved and the grafting degree is increased also.

关键词

聚丙烯粉紫外辐照固相接枝表面接枝率

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