全氟丙烯酸酯共聚物无皂乳液的制备与膜表面性能

Preparation of Perfluorinated acrylate Soap-free emulsion And Surface Properties of Membrane

摘要:

以全氟烷基乙基丙烯酸酯（FM）、甲基丙烯酸甲酯（MMA）、丙烯酸丁酯（BA）、丙烯酸十八酯（ODA）、甲基丙烯酰氧乙基三甲基氯化铵（DMC）为主要原料，以偶氮二异丁腈（AIBN）和过硫酸钾（KPS）为引发剂，以丙烯酸羟乙酯（HEA）为交联剂，制备了水性阳离子全氟丙烯酸酯无皂乳液。并进行了一系列表征，经过w(FM)=50%的乳液整理过的纯棉布纤维对水和液体石蜡的接触角分别为138?和125?；w(FM)=50%时,乳胶膜的表面自由能为19.01mJ/m2；该乳胶膜表面结构呈现荷叶效应。

Abstract:

The Waterborne cationic perfluorinated acrylate soap-free emulsionwas prepared using perfluorinated alkyl ethyl acrylate (FM), methyl methacrylate (MMA), butyl acrylate (BA), octadecyl acrylate (ODA), methacryloxyethyl trimethylammonium chloride(DMC) as monomers, azobisisobutyronitrile (AIBN) as initiator and hydroxyl ethyl acrylate (HEA) as crosslinker. The structure of the copolymer was characterized in many ways. The contact angle of water and liquid paraffin on the fabric treated by the emulsion was 138癮nd 125皉espectively. The surface free energy of membrane was 19.01mJ/m2 when w(FM)=50%. The structure of fluorinated membrane surface appeared Lotus-Effect.