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Preparation of Elastic Fluorocarbon Resin Latex
Author(s): Zhao Xingshun1, You Pingping2, Zhao Hongliang1, Li Jincheng1, Liu Hongzhu1, Gao Da1 Company Limited, Dandong 118003, Liaoning Province)
Pages: 27-
30
Year: 2011
Issue:
2
Journal: China Paint
Keyword: 弹性; 氟树脂; 乳液; 制备;
Abstract: 以氟树脂乳液作为种子乳液,MMA、AA、BA作为改性单体制备了弹性含氟树脂乳液。研究了乳化剂用量、AA用量、改性单体用量对聚合反应及膜性能的影响。结果表明:随着乳化剂用量的增加,聚合稳定性、膜吸水率增加;随着AA用量的增加,乳液的冻融稳定性提高,膜吸水率增加,凝胶率降低;乳液的平均粒径、膜吸水率、膜弹性随着改性单体用量的增加而升高,膜的拉伸强度随着改性单体用量的增加而降低。当m(改性单体)∶m(固体氟树脂)=4∶6时,乳胶膜具有良好的低温柔韧性。
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