The emulsion polymerization of styrene was studied using the nonionic surfactant Triton X-405 (octylphenoxy polyethoxy ethanol). Two separate nucleation periods were noted in these polymerizations resulting in bimodal final latex particle size distributions. The partitioning of the surfactant betwee
Role of fluorocarbon surfactant in the preparation of polytetrafluoroethylene-modified polyacrylate emulsion
β Scribed by Xuejun Cui; Zhengxia Chen; Qiushun Li; Shuangling Zhong; Yinghua Wang; Hongyan Wang
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 449 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
In the emulsion polymerization of n-butyl acrylate, the nonionic surfactant Triton X-405 (octylphenoxy polyethoxy ethanol) partitions primarily into the aqueous phase leading to nucleation in the presence of micelles and unimodal final latex particle size distributions. Nucleation is accompanied by
Emulsion copolymerizations of styrene and n-butyl acrylate were conducted at 70ΠC using varying amounts of Triton X-405 (octyl phenoxy polyethoxyethanol) as emulsifier. The kinetic behavior was found to vary widely depending on the emulsifier concentration. Unimodal particle size distributions were