Research of octadecyl methyl dihydroxyethyl ammonium bromide as antistatic agent in polypropylene

doi:10.3969/j.issn.0438-1157.2012.11.050

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Research of octadecyl methyl dihydroxyethyl ammonium bromide as antistatic agent in polypropylene

SHI Ming¹, ZHENG Cheng¹, YU Xihuan¹, WANG Haojiang², YANG Yunong², WANG Zhengping¹, YANG Ling³

1. School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, Guangdong, China;
2. Guangzhou Research Institute of Synthetic Materials, Guangzhou 510210, Guangdong, China;
3. Department of Chemical Engineering, Guangdong Light Industry Technical College, Guangdong 510300, Guangdong, China

Received:2012-02-24 Revised:2012-04-26 Online:2012-11-05 Published:2012-11-05

十八烷基二羟乙基甲基溴化铵作为聚丙烯抗静电添加剂的研究

施明¹, 郑成¹, 余习焕¹, 王浩江², 杨育农², 王正平¹, 杨铃³

1. 广州大学化学化工学院, 广东广州 510006;
2. 广州合成材料研究院, 广东广州 510210;
3. 广东轻工职业技术学院, 广东广州 510300

通讯作者: 郑成
作者简介:施明(1985-),女,硕士研究生。
基金资助:
佛山市产学研项目(20120917)。

Abstract

Abstract: Octadecyl methyl dihydroxyethyl ammonium bromide(OMDAB)was used in polypropylene(PP) as antistatic agent.The moisture absorption and thermal stability of OMDAB were investigated.The influence of OMDAB on antistatic property of PP was studied.Crystallization behavior was explored by X-ray diffraction(XRD)and differential scanning calorimetry(DSC).The thermal property of PP was studied by thermogravimetric analysis(TG).The test results showed that the moisture absorption of OMDAB was greater than the commonly used antistatic agent SN because of multi-hydroxyl group. After adding 0.3%(mass) of OMDAB into PP surface resistivity of the blend decreased to 1.05×10¹¹Ω 7 d later.The blend had good antistatic durability and launderability.When humidity increased by every 10% or ambient temperature increased from 10℃ to 30℃,surface resistivity of the blend decreased by one order of magnitude.OMDAB did not change crystal structure of PP but reduced the rate of crystallization. Thermal stability of PP was weakened by OMDAB.

Key words: antistatic agent, polypropylene, surface resistivity, crystallization behavior, thermal stability

摘要： 以十八烷基二羟乙基甲基溴化铵(OMDAB)作为聚丙烯(PP)用抗静电剂。研究了OMDAB的吸水性、热稳定性,对PP的抗静电性的影响。利用XRD和DSC分析了OMDAB对PP结晶行为的影响。采用TG研究了OMDAB对PP热稳定性的影响。结果表明,多羟基的引入,使OMDAB的吸水性明显高于目前常用的抗静电剂SN。OMDAB添加量为PP的0.3%时抗静电效果最好,其抗静电耐久性、耐擦洗性优良。环境相对湿度每增加10%或环境温度由10℃升高至30℃时,PP制品表面电阻率均下降了约1个数量级。OMDAB的加入没有改变PP的晶型,但降低了PP的结晶速率及热稳定性。

关键词: 抗静电剂, 聚丙烯, 表面电阻率, 结晶行为, 热稳定性

CLC Number:

TQ314.24

SHI Ming, ZHENG Cheng, YU Xihuan, WANG Haojiang, YANG Yunong, WANG Zhengping, YANG Ling. Research of octadecyl methyl dihydroxyethyl ammonium bromide as antistatic agent in polypropylene[J]. CIESC Journal, DOI: 10.3969/j.issn.0438-1157.2012.11.050.

施明, 郑成, 余习焕, 王浩江, 杨育农, 王正平, 杨铃. 十八烷基二羟乙基甲基溴化铵作为聚丙烯抗静电添加剂的研究[J]. 化工学报, DOI: 10.3969/j.issn.0438-1157.2012.11.050.

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Research of octadecyl methyl dihydroxyethyl ammonium bromide as antistatic agent in polypropylene

十八烷基二羟乙基甲基溴化铵作为聚丙烯抗静电添加剂的研究

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