基于氧化淀粉的新型Pickering苯丙乳液表面施胶剂的合成  

Preparation of the styrene acrylic emulsion surface sizing agent through oxidized starch-based Pickering emulsion method

作　　者：张恒[1,2] 宋雪[1] 李素香[1] 孙嘉浩 

机构地区：[1]青岛科技大学化工学院,山东青岛266042 [2]华南理工大学制浆造纸工程国家重点实验室,广东广州510640

出　　处：《化学研究》2016年第4期491-494,共4页Chemical Research

基　　金：青岛市科技发展计划[12-1-4-3-(28)-jch];制浆造纸工程国家重点实验室开放基金(201474)

摘　　要：以苯乙烯、丙烯酸丁酯为单体,过硫酸铵为引发剂,氧化淀粉作固体粒子乳化剂,采用无皂乳液聚合的方法来制备Pickering苯丙聚合物乳液,考察了不同含量的氧化淀粉对乳液固含量、转化率、卡伯值以及稳定性的影响,并对制备的Pickering苯丙聚合物乳液进行了粒径、红外光谱表征,当氧化淀粉的含量为2%时,制备的Pickering苯丙聚合物乳液转化率为96%,粒径为264.4nm,卡伯值为71.4g/m^2,抗水性和稳定性较好.Pickering emulsion was prepared using styrene and butyl acrylate as monomers,ammonium persulfate as initiator,oxidized starch as solid emulsifier,which adopts the method of soap-free emulsion polymerization.This study discusses the influence on latex solid content and conversion rate by different dosage of oxidized starch.At the same time,infrared spectra and particle size of the Pickering emulsion were obtained.When oxidation starch content was 2%,conversion rate was 96%,the particle size was 264.4nm,and cobb value was 71.4g/m^2,the stability of Pickering emulsion is optimal.

关 键 词：氧化淀粉 Pickering乳液 苯丙乳液 表面施胶剂 

分 类 号：O636[理学—高分子化学]