基于细乳液聚合法的超细包覆炭黑制备及其性能

纺织学报 ›› 2013, Vol. 34 ›› Issue (1): 79-83.

基于细乳液聚合法的超细包覆炭黑制备及其性能

张凯王春霞田安丽张霞付少海王潮霞

生态纺织教育部重点实验室（江南大学）

收稿日期:2011-11-18 修回日期:2012-09-17 出版日期:2013-01-15 发布日期:2013-01-07
通讯作者: 付少海 E-mail:shaohaifu@hotmail.com

Preparation and properties of encapsulated ultrafine carbon black by miniemulsion polymerization

Received:2011-11-18 Revised:2012-09-17 Online:2013-01-15 Published:2013-01-07

摘要/Abstract

摘要： 以可聚合分散剂SE-10对炭黑进行分散，然后通过细乳液聚合法制备超细包覆炭黑，研究了共聚单体种类及用量、引发剂用量、反应温度和时间对超细包覆炭黑性能的影响。结果表明相对于丙烯酸正丁酯和苯乙烯，甲基丙烯酸甲酯制备超细包覆炭黑的粒径较小，当MMA用量为颜料质量的25%，过硫酸铵为共聚单体质量的2%，在80℃下反应2h，制得的超细包覆炭黑粒径为157.4nm，在80℃条件下密封放置24小时后，超细包覆碳黑的粒度变化率仅为2.58%，与聚合前相比，聚合后炭黑分散体耐热稳定性、离心稳定性和冻融稳定性更好。

关键词: 包覆炭黑, 细乳液聚合, 甲基丙烯酸甲酯, 稳定性

Abstract: Encapsulated carbon black was prepared by miniemulsion polymerization using the polymerizable surfactant SE-10. The effect of the monomer structure, amount of initiator, reaction temperature and time on properties of encapsulated carbon black was investigated. The results show that MMA was suitable for preparation of encapsulated carbon black, and the optimal encapsulated conditions were that the molar ratio of MMA to carbon black, weight ratio of initiator APS to comonomer, reaction temperature and reaction time were about 5:1, 2.0%, 80℃ and 2h respectively. Particle size of encapsulated carbon black was 157.4nm, and it was changed about 2.58% when the dispersion was placed at 80℃ for 24h. Compared with polymerization before, thermal stability, centrifugal stability and freeze-thaw stability of encapsulated carbon black was improved greatly.

Key words: encapsulatid carbon black, minienulsion polymerization, methyl methacrylate, stability

中图分类号:

TQ 620.64

张凯王春霞田安丽张霞付少海王潮霞. 基于细乳液聚合法的超细包覆炭黑制备及其性能[J]. 纺织学报, 2013, 34(1): 79-83.

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