环氧树脂改性苯丙乳液及其对汽车滤纸性能的影响  被引量:4

Preparation of Styrene Acrylic Emulsion Modified with Epoxy Resin and Its Influence on Performance of Automobile Filter Paper

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作  者:吕晓慧[1] 王金辉[1] 丁璇[1] 刘文波[1] 

机构地区:[1]东北林业大学材料科学与工程学院,黑龙江哈尔滨150040

出  处:《中国造纸》2014年第5期29-34,共6页China Pulp & Paper

基  金:国家级大学生创新训练项目(201310225034);黑龙江省留学归国人员科学基金(LC2013C11)

摘  要:以苯乙烯和丙烯酸酯为主要单体,引入E-20、E-44两种环氧树脂,采用预乳化半连续乳液聚合法制备改性苯丙乳液,对环氧树脂改性后的苯丙乳液性能及在汽车滤纸中的应用效果进行检测分析。结果表明,用环氧树脂改性苯丙乳液,并将其用作汽车滤纸浸渍树脂,滤纸的挺度、耐破度、耐水性能都得到提高,透气度、孔径与未改性乳液相比持平或略微下降。环氧树脂的用量在1%~3%范围内,使用E-20改性的苯丙乳液的汽车滤纸强度和耐水性能明显优于E-44改性的。Styrene acrylic emulsions modified with two kinds of epoxy resins,E-44 and E-20 were prepared using styrene and acrylic ester as the main monomers via semi-continuous emulsion polymerization process. The properties of the emulsion modified with epoxy resin and its application influence on performance of filter paper were studied. The results showed that when styrene acrylic emulsion was modified with epoxy and applied to the filter paper,the bursting strength,stiffness and water-resistant performance of the filter paper were improved,but the air permeability and pore size reduced or unchanged compared with the unmodified styrene acrylic emulsion. When the dosage of epoxy resin was in the range of 1% ~ 3%,the strength and water-resistant properties of the filter paper were changed significantly and appeared the optimum value. The styrene acrylic emulsion modified with E-20 was obviously effective in improving strength and water-resistance of the filter paper. On the other hand,the styrene acrylic emulsion modified with E-44 had less adverse effect on permeability and pore size.

关 键 词:环氧树脂 改性 苯丙乳液 汽车滤纸 

分 类 号:TS727.2[轻工技术与工程—制浆造纸工程]

 

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