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不同乳液聚合物和硅酸盐水泥的相互作用

曹强

渭南师范学院学报:综合版Issue(6):54-57,4.
渭南师范学院学报:综合版Issue(6):54-57,4.

不同乳液聚合物和硅酸盐水泥的相互作用

Interaction between Different Latex Polymers and Portland Cement

曹强1

作者信息

  • 1. 渭南师范学院化学与生命科学学院,陕西渭南714000
  • 折叠

摘要

Abstract

Differently charged latex particles were synthesized in aqueous media by emulsion polymerization technique. Electro- kinetic latex surface properties were investigated by means of streaming potential measurements. The interaction between organic la- tex polymers and the surface of hydrating cement was investigated by measuring the zeta potential and adsorbed amount of polymer on cement. The results indicate that the anionic latexes adsorb a considerable amount of Ca2+ from the cement pore solution. Adsorp- tion of the latex polymers on the surface of hydrating cement was confirmed by zeta potential measurements. The latex dosages are re- quired to achieve saturated adsorption on the cement surface obtained from zeta potential measurements correspond well with those determined in the sedimentation-UV spectrophotometer test.

关键词

乳液聚合物/吸附/流动电位/zeta电位/水泥

Key words

latex polymers/adsorption/streaming potential/zeta potential/cement

分类

化学工程

引用本文复制引用

曹强..不同乳液聚合物和硅酸盐水泥的相互作用[J].渭南师范学院学报:综合版,2012,(6):54-57,4.

基金项目

基金项目:渭南师范学院科研计划项目 ()

渭南师范学院学报:综合版

OACHSSCD

1009-5128

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