Study on polypropylene powder grafted with acrylic acid by photo-initiated solid phase technique

Mamatjan YIMIT; Rukiya MATSIDIK; Ismayil KIRAM; Ismayil NURULLA

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Study on polypropylene powder grafted with acrylic acid by photo-initiated solid phase technique

更新时间：2023-03-30

- Study on polypropylene powder grafted with acrylic acid by photo-initiated solid phase technique
- Journal of Radiation Research and Radiation Processing Vol. 28, Issue 3, Pages: 144-149(2010)
- 作者机构：
  
  1.新疆大学化学化工学院　乌鲁木齐　830046
- 作者简介：
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Mamatjan YIMIT, Rukiya MATSIDIK, Ismayil KIRAM, et al. Study on polypropylene powder grafted with acrylic acid by photo-initiated solid phase technique. [J]. Journal of Radiation Research and Radiation Processing 28(3):144-149(2010)
DOI：

Mamatjan YIMIT, Rukiya MATSIDIK, Ismayil KIRAM, et al. Study on polypropylene powder grafted with acrylic acid by photo-initiated solid phase technique. [J]. Journal of Radiation Research and Radiation Processing 28(3):144-149(2010) DOI：

摘要

为了提高聚丙烯(PP)的亲水性和染色性，以二苯甲酮(BP)为光引发剂、使用固相光接枝反应装置，采用固相紫外光接枝法在PP粒料表面接枝丙烯酸 (AA)单体，并研究了单体含量、引发剂用量、辐照时间和溶胀时间对接枝率的影响规律，以及PP接枝前后力学性能的变化。结果表明，AA用量为1 mL、引发剂用量为0.15 g、辐照时间为30 min、溶胀时间为12 h时的接枝率最高。接枝率为5.2%左右，上染率为43.4% 时，接枝PP的拉伸强度降了1.37 MPa，但断裂伸长率从358.3%增加到396.3%，说明丙烯酸适度接枝对力学性能影响不大。

Abstract

In order to increase the hydrophility of polypropylene (PP), acrylic acid(AA) was grafted on to the surface of PP powder by means of photo-initiated solid phase grafting reaction with the photo-sensitizer of benzophenone in the reaction equipment of UV polymerization. The effects of AA content, amount of initiator, irradiation time, and swelling time on grafting degree were systematically studied. The result shows that in the processing of AA grafting reaction the highest value, 5.2%, of grafting degree can be obtained when the content of AA is 1 mL, amount of initiator is 0.15 g, irradiation time is 30 min and swelling time is 12 h. With the grafted sample the dye ability is 43.4%, tensile strength drops 1.37 MPa of the grafted PP, but breaking extension degree increases to 396.3% from 358.3%. This indicates that the effect of moderate grafting of acrylic acid on the mechanical performance of PP is not obvious.

关键词

聚丙烯丙烯酸力学性能表面光接枝

Keywords

PolypropyleneAcrylic acidMechanics performanceSurface photo-grafting

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