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BETAINE COPOLYMERS WITH HYDROXYALKYLACRYLATES AND HYDROXYALKYLMETHACRYLATES
BETAINE COPOLYMERS WITH HYDROXYALKYLACRYLATES AND HYDROXYALKYLMETHACRYLATES
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机译:含羟基丙烯酸羟丁酯和羟基羟甲基丙烯酸丁酯的共聚物
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摘要
Copolymers of carboxybetaines or sulfobetaines having the formula WHEREIN R1 is hydrogen or methyl; A is oxygen or -NH-; R2 is ethylene, propylene, 2-hydroxypropylene or 2-acetoxypropylene; R3 and R4 are alkyl; n1 is 1 to 4 and X- is SO 3- or CO 2-; and about 10 to about 95.0 per cent by weight of hydroxyethylacrylate, hydroxyethylmethacrylate, hydroxypropylacrylate, hydroxypropylmethacrylate, polyethylene glycol acrylate, polyethylene glycol methacrylate, polypropylene glycol acrylate, polypropylene glycol methacrylate, polyglycerolacrylate or polyglycerolmethacrylate are disclosed. These neutral, hydrophilic copolymers are useful as binders.
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机译:分子式为R 1的羧基甜菜碱或磺基甜菜碱的共聚物为氢或甲基; A为氧或-NH-; R2是乙烯,丙烯,2-羟基丙烯或2-乙酰氧基丙烯; R3和R4为烷基; n 1为1至4,且X-为SO 3-或CO 2-;公开了按重量计约10%至约95.0%的丙烯酸羟乙酯,甲基丙烯酸羟乙酯,丙烯酸羟丙酯,甲基丙烯酸羟丙酯,聚乙二醇丙烯酸酯,聚乙二醇甲基丙烯酸酯,聚丙二醇丙烯酸酯,聚丙二醇甲基丙烯酸酯,聚甘油丙烯酸酯或聚甲基丙烯酸甘油酯。这些中性的亲水性共聚物可用作粘合剂。
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