新型乳化剂制备丙烯酸乳液的性能及表征

Q2 Materials Science

Polymers from Renewable Resources Pub Date : 2018-10-10 DOI:10.1177/2041247918796002

Lijun Chen, Tantan Shao, Xin Zhang, Xiuming Wang, Dawei Chen

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引用次数: 4

摘要

以甲基丙烯酸甲酯(MMA)、丙烯酸丁酯(BA)和丙烯酸(AA)为原料，以过硫酸钾引发，烷基聚糖苷(APG1214)和月桂醚磺基琥珀酸二钠(MES)为新型绿色混合表面活性剂，采用半连续种子乳液聚合法制备了聚丙烯酸酯乳液。用Zetatrac动态光散射仪测定乳胶的粒径。用傅里叶变换红外光谱对乳胶的结构进行了表征。用差示扫描量热法和热重法对乳胶膜进行了测试。对影响乳胶性能的因素进行了详细的研究。制备聚丙烯酸乳液的最佳工艺条件为:乳化剂用量为7.0%，APG1214与MES的质量比为3:1，引发剂用量为0.7%，MMA与BA的质量比为1:1,AA用量为2.0%。在这种情况下，混合单体的转化率高，乳胶的机械稳定性和离子稳定性好。

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Properties and characterization of acrylic latex prepared with novel emulsifiers

The polyacrylate latex has been successfully prepared by semicontinuous seeded emulsion polymerization with methyl methacrylate (MMA), butyl acrylate (BA), and acrylic acid (AA), which were initiated with potassium persulfate and emulsified with the novel green mixed surfactants of alkyl polyglycoside (APG1214) and disodium laureth sulfosuccinate (MES). The particle size of the latex was measured by Zetatrac dynamic light scattering detector. The structure of the latex was tested by Fourier-transform infrared spectroscopy. The film of latex was tested by differential scanning calorimetry and thermogravimetric analysis. Factors, which had an influence on the properties of the latex, were studied in detail. The optimum conditions for preparing the polyacrylate latex were as follows: the amount of emulsifiers was 7.0%, the mass ratio of APG1214 to MES was 3:1, the amount of the initiator was 0.7%, the mass ratio of MMA to BA was 1:1, and the amount of AA was 2.0%. In this case, the conversion of the mixed monomers was high and the mechanical and ionic stability of the latex was good.

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来源期刊

Polymers from Renewable Resources Materials Science-Polymers and Plastics

CiteScore

3.50

自引率

0.00%

发文量

期刊介绍： Polymers from Renewable Resources, launched in 2010, publishes leading peer reviewed research that is focused on the development of renewable polymers and their application in the production of industrial, consumer, and medical products. The progressive decline of fossil resources, together with the ongoing increases in oil prices, has initiated an increase in the search for alternatives based on renewable resources for the production of energy. The prevalence of petroleum and carbon based chemistry for the production of organic chemical goods has generated a variety of initiatives aimed at replacing fossil sources with renewable counterparts. In particular, major efforts are being conducted in polymer science and technology to prepare macromolecular materials based on renewable resources. Also gaining momentum is the utilisation of vegetable biomass either by the separation of its components and their development or after suitable chemical modification. This journal is a valuable addition to academic, research and industrial libraries, research institutions dealing with the use of natural resources and materials science and industrial laboratories concerned with polymer science.