Study on preparing of diallyl maleate modified acrylic resin

IF 1.3 4区材料科学 Q3 CHEMISTRY, APPLIED

Pigment & Resin Technology Pub Date : 2022-02-08 DOI:10.1108/prt-11-2021-0129

Zheqing Gong, Shusen Cao, Z. Cai, Lijun Chen

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Abstract

Purpose There are three double bonds in the chemical structure of diallyl maleate. The purpose of this study is that the acrylate is modified with diallyl maleic anhydride to make the propionate resin present a spatial network structure, thereby improving the performance of the acrylate resin. Design/methodology/approach Methyl methacrylate (MMA) and butyl acrylate(BA) were used as were used as main monomers. Diallyl maleate (DAM) was used as crosslinking monomer and dodecafluoroheptyl methacrylate (DFMA) was used as fluoromonomer. Potassium persulfate (KPS) was used as thermal decomposition initiator, sodium lauryl sulfate (AS) and sodium dodecyl sulfonate (SDS) were used as anionic emulsifiers, and EFS-470 (Alkyl alcohol polyether type nonionic emulsifier) was a non-ionic emulsifier. Findings Through optimizing the reaction conditions, the uniform and stable latex is obtained. The polymer of structure was characterized by Fourier transform infrared spectroscopy (FTIR). Thermogravimetric analysis (TGA) and contact angle (CA) were tested on latex films. The particle size and distribution range of emulsion were tested with nano particle size analyzer. Originality/value The experimental results showed that the thermal decomposition temperature of the acrylic coating film increased by 20.56°C after modification. In addition, the effect of cross-linking density on the water contact angle of the fluorocarbon groups in DFMA when they migrate to the surface of the latex film during drying has been explored. The experimental results show that a higher degree of cross-linking will hinder the migration of fluorocarbon groups to the surface of the resin film.

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马来酸二烯丙酯改性丙烯酸树脂的制备研究

目的马来酸二烯丙基酯的化学结构中有三个双键。本研究的目的是用二烯丙基马来酸酐对丙烯酸酯进行改性，使丙酸树脂呈现空间网络结构，从而提高丙烯酸酯树脂的性能。设计/方法/方法以甲基丙烯酸甲酯（MMA）和丙烯酸丁酯（BA）为主要单体。以马来酸二烯丙酯（DAM）为交联单体，甲基丙烯酸十二氟庚酯（DFMA）为含氟单体。以过硫酸钾（KPS）为热分解引发剂，十二烷基硫酸钠（as）和十二烷基磺酸钠（SDS）为阴离子乳化剂，EFS-470（烷基醇聚醚型非离子乳化剂）为非离子乳化剂。结果通过优化反应条件，得到了均匀稳定的胶乳。用傅立叶变换红外光谱（FTIR）对聚合物结构进行了表征。对乳胶膜进行了热重分析（TGA）和接触角（CA）测试。用纳米粒度分析仪测定了乳液的粒度和分布范围。独创性/价值实验结果表明，改性后丙烯酸涂膜的热分解温度提高了20.56°C。此外，还探讨了交联密度对DFMA中氟碳基团在干燥过程中迁移到乳胶膜表面时的水接触角的影响。实验结果表明，较高的交联度会阻碍氟碳基团向树脂膜表面的迁移。

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来源期刊

Pigment & Resin Technology 工程技术-材料科学：膜

CiteScore

2.80

自引率

21.40%

发文量

审稿时长

>12 weeks

期刊介绍： The journal looks at developments in: ■Adhesives and sealants ■Curing and coatings ■Wood coatings and preservatives ■Environmentally compliant coating systems and pigments ■Inks for food packaging ■Manufacturing machinery - reactors, mills mixing and dispersing equipment, pumps ■Packaging, labeling and storage ■Plus topical features and news on materials, coatings, industry people, conferences, books and so on ■Raw materials such as pigments, solvents, resins and chemicals ■Testing equipment and procedures