可聚合乳化剂合成醋酸乙烯酯-叔碳酸乙烯酯共聚乳液  

Synthesis of VAc/Veova-10 Copolymer Emulsion Using Reactive Emulsifier

作　　者：邱珍珍[1] 夏正斌[1] 林晓琼[1] 张燕红[1] 

机构地区：[1]华南理工大学化学与化工学院,广州510640

出　　处：《涂料工业》2013年第9期47-51,共5页Paint & Coatings Industry

摘　　要：以1-烯丙氧基-3-（4-壬基苯氧基）-2-丙醇聚氧乙烯（10）醚单磷酸（ANPEO10-P1）为可聚合乳化剂合成了醋酸乙烯酯（VAc）-叔碳酸乙烯酯（Veova-10）共聚乳液，考察了ANPEO10-P，用量对乳液的聚合稳定性、离子稳定性及胶膜耐水性的影响，并利用热重分析和拉伸试验等方法对胶膜进行了表征。结果表明：当ANPEOm—P。用量为单体质量的5％时，合成的乳液聚合稳定性较好，单体转化率达到96．59％；与常规复合乳化体系（SDS／OP-10）相比，采用反应性乳化剂ANPEO10-P1制备的乳液离子稳定性好，乳胶膜耐水性增强，膜的力学性能提高。热重分析表明：乳胶膜的分解温度为285～510℃，与膨胀型阻燃体系的分解温度匹配性较好，乳液可用于膨胀型防火涂料。VAc/Veova - 10 copolymer emulsion was synthesized with ANPEO10- P1 as the reactive emulsifier. The influence of the dosages of ANPEO10-P1 on the polymerization stabi-lity, electrolyte stability of the emulsion and water resistance of the films were discussed. Mo- reover, the properties of the emulsions and their films were characterized by thermogravimetry （TG） and tensile test machine. The results showed that when the ANPEOI0 -P~ dosage was 5% of total monomer mass, the monomer conversion was up to 96.59%. Compared with the traditional compound emulsifier SDS/OP - 10, the reactive emulsifier could remarkably im-prove the water resistance, electrolyte stability and the mechanical property of the film. Ther-mogravimetry analysis showed that the degradation temperature of the film was 285 -510 ℃, which was compatible with the degtadation temperature range of a typical intumescent fire re-trardant system. Therefore the VAc/Veova - 10 copolymer emulsion could be used as binders of the intumescent fireproof coatings.

关 键 词：反应性乳化剂 醋酸乙烯酯 叔碳酸乙烯酯 力学性能 稳定性 

分 类 号：TQ637.6[化学工程—精细化工]