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    • 5. 发明专利
    • Manufacturing method of copolymer latex for adhesive
    • 用于胶粘剂的共聚物胶粘剂的制备方法
    • JP2014091801A
    • 2014-05-19
    • JP2012244370
    • 2012-11-06
    • Nippon A&L Inc日本エイアンドエル株式会社
    • TAKENAKA TAKASHITANEMURA JUNMIMISAKI KOYU
    • C09J109/00
    • C09J109/06
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a copolymer latex for an adhesive, capable of improving productivity of the copolymer latex for the adhesive, while securing adhesive force to a fiber for reinforcing a rubber of the copolymer latex for the adhesive.SOLUTION: First of all, a monomer composition (a) containing an aliphatic conjugated diene monomer of 35 mass% to 75 mass%, a vinylpyridine-based monomer of 5 mass% to 25 mass%, and other monomers which can copolymerize with these of 0 mass% to 60 mass% is emulsion polymerized, and a monomer composition (b) containing the aliphatic conjugated diene monomer of 35 mass% to 75 mass%, the vinylpyridine-based monomer of 5 mass% to 25 mass% and other monomers which can copolymerize with these of 0 mass% to 60 mass% is added to the monomer composition (a) when a polymerization conversion ratio of the monomer composition (a) becomes 30% or more and less than 60%.
    • 要解决的问题:提供一种用于粘合剂的共聚物胶乳的制造方法,其能够提高粘合剂用共聚物胶乳的生产率,同时将粘合力固定在纤维上用于增强用于粘合剂的共聚物胶乳的橡胶。 首先,将含有35质量%〜75质量%的脂肪族共轭二烯单体,5质量%〜25质量%的乙烯基吡啶类单体的单体组合物(a)以及与这些0共聚的其它单体 将质量%〜60质量%进行乳液聚合,将含有35质量%〜75质量%的脂肪族共轭二烯单体的单体组合物(b),5质量%〜25质量%的乙烯基吡啶类单体和可以 当单体组合物(a)的聚合转化率为30%以上且小于60%时,向单体组合物(a)中添加0质量%〜60质量%的共聚物。