THE EFFECT OF METHYL METHACRYLATE ON THE PROPERTIES OF SYNTHESIZED ACRYLATE EMULSIONS

Contemporary Materials Pub Date : 2021-01-10 DOI:10.7251/comen2101071p

Sonja Popić, I. Ristić, V. Mićić, Jelena Tanasić

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Abstract

The effect of methyl methacrylate (MMA) addition on the properties of synthesized acrylate emulsions based on butyl acrylate (BA) and 2-ethylhexyl acrylate (EHA) was investigated. The samples were synthesized by addition of MMA in copolymer structure, ranging from 10 to 50 wt% of the total mass of BA and EHA. Fourier transformation infrared (FTIR) spectroscopy was used to analyze the molecular structure of synthesized acrylate emulsions and the results confirmed that a quantitative polymerization reaction occurred. The analysis of thermal properties showed that the addition of methyl methacrylate increases the glass transition temperature of the acrylate films obtained by drying the synthesized emulsions. The tensile strength and elongation at break increased proportionally with the increase of the content of MMA in the synthesized samples. Since the obtained acrylate materials can be used to improve the water impermeability of paper and other materials, the obtained emulsion was applied in a thin layer on a sheet of paper and the resistance of the paper to water and oil was investigated. The results showed that all emulsions were impermeable both to water and oil.

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甲基丙烯酸甲酯对合成丙烯酸酯乳液性能的影响

研究了添加甲基丙烯酸甲酯(MMA)对丙烯酸丁酯(BA)和丙烯酸2-乙基己酯(EHA)合成的丙烯酸酯乳液性能的影响。样品以共聚物结构加入MMA合成，分子量为BA和EHA总质量的10% ~ 50%。利用傅里叶变换红外光谱(FTIR)对合成的丙烯酸酯乳液的分子结构进行了分析，结果证实发生了定量聚合反应。热性能分析表明，甲基丙烯酸甲酯的加入提高了合成乳液干燥所得丙烯酸酯膜的玻璃化转变温度。随着MMA含量的增加，复合材料的抗拉强度和断裂伸长率呈比例增加。由于所得的丙烯酸酯材料可用于改善纸张和其他材料的不透水性，因此将所得的乳液薄层涂在纸张上，并研究了纸张的耐水和耐油性能。结果表明，所有乳剂均不透水、不透油。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Contemporary Materials

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