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林产化学与工业

林产化学与工业 ›› 2003, Vol. 23 ›› Issue (04): 83-85.

• 研究报告 • 上一篇    下一篇

造纸涂料用丙烯酸增稠剂的合成

季永新   

  1. 南京林业大学 化工学院, 江苏 南京 210037
  • 收稿日期:2003-01-14 修回日期:1900-01-01 出版日期:2003-12-30 发布日期:2003-12-30

SYNTHESIS OF ACRYLIC THICKENER FOR PAPER COATING

JI Yong-xin   

  1. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
  • Received:2003-01-14 Revised:1900-01-01 Online:2003-12-30 Published:2003-12-30

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摘要： 通过乳液聚合合成了造纸涂料用的增稠剂,最佳条件是:所用乳化剂以阴离子与非离子复合为优,阴离子与非离子的比例为1.5:1,乳化剂的质量用量为1.5%;所用单体中疏水单体丙烯酸乙酯占70.6%、亲水单体丙烯酸占29.4%、交联剂占0.4%～0.6%;引发剂的质量用量为0.15%～0.24%(单体量的);羟甲基丙烯酰胺的质量用量为1%～1.4%;乳液固含量以28%～30%为宜;乳液的pH值达4时乳液稳定。

关键词: 增稠剂, 乳化剂, 交联剂, 引发剂, 丙烯酸单体

Abstract: Thickener for paper coating was prepared by emulsion polymerization. The optimal reaction conditions were determined as follows:mixture of anionic emulsifier and non-anionic emulsifier is preferred at anionic emulsifier:non-anionic emulsifier 1.5:1, dosage of emulsifier 1.5%, ethyl acrylate 70.6%, acrylic acid 29.4%, crosslinking agent 0.4%-0.6%, initiator 0.15%-0.24%, N-hydroxyl-methyl acrylamide 1%-1.4%, solid content of emulsion 28%-30%, pH value 4.

Key words: thickener, emulsifier, crosslinking agent, initiator, acrylate monomer

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