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首页> 外文期刊>Asian Journal of Chemistry: An International Quarterly Research Journal of Chemistry >Preparation of Silicone-Modified Acrylic Ester Emulsion Adhesive with Core-Shell Structure
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Preparation of Silicone-Modified Acrylic Ester Emulsion Adhesive with Core-Shell Structure

机译：核壳结构有机硅改性丙烯酸酯乳液的制备

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摘要

Silicone-modified acrylate emulsion adhesives with core-shell structure was synthesized by semi-continuous seed emulsion polymerization with vinyl silane three oxygen radicals (A-171), methyl methacrylate, butyl acrylate and acrylic acid as raw material and was used for fabric pigment printing. The structure of the adhesive was characterized and analyzed by FT-IR spectrum, XPS and TEM. The results indicated that the organic silicon modified acrylate emulsion adhesive was synthesized in the optimum condition that the dosage of initiator, emulsifier and A-171 was 1.3, 3 and 4 %, respectively and reaction temperature was 80 °C for 1 h. At this point, the monomer conversion rate was as high as 95.01 %, the gel rate was 0.71 % and the water absorption was only 35.60 % of the unmodified latex film. Alter adhesive was used for pigment printing, the fabric dry and wet friction fastness reached level 4-5 and 3-4, soaping staining and fading grade reached 4-5 and 4, respectively and bending rigidity was 2.13; Compared with the commercial adhesives, good comprehensive performance such as high colour fastness and soft hand feel could be obtained and free of formaldehyde was released.
机译：以乙烯基硅烷三氧自由基（A-171），甲基丙烯酸甲酯，丙烯酸丁酯和丙烯酸为原料，通过半连续种子乳液聚合反应，合成了具有核-壳结构的有机硅改性丙烯酸酯乳液粘合剂。 。通过FT-IR光谱，XPS和TEM对胶粘剂的结构进行表征和分析。结果表明，在引发剂，乳化剂和A-171的用量分别为1.3％，3％和4％，反应温度为80℃1小时的最佳条件下，合成了有机硅改性丙烯酸酯乳液粘合剂。此时，单体转化率高达95.01％，凝胶化率为0.71％，吸水率仅为未改性胶乳膜的35.60％。 Alter粘合剂用于颜料印刷，织物的干湿摩擦牢度分别为4-5和3-4，皂化染色和褪色等级分别为4-5和4，弯曲刚度为2.13。与市售胶粘剂相比，可以获得良好的综合性能，如高色牢度和柔软手感，并且不含甲醛。

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