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Production method of the emulsion binder and inkjet water-based pigment ink containing the same, and the emulsion binder
Production method of the emulsion binder and inkjet water-based pigment ink containing the same, and the emulsion binder
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机译:乳液粘合剂和包含该乳液粘合剂的喷墨水性颜料油墨的制造方法以及乳液粘合剂
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摘要
Disclosed is an emulsion binder containing an A-B block copolymer. The A-B block copolymer has a number average molecular weight of 5,000 to 100,000, and a polydispersity index (weight average molecular weight/number average molecular weight) of not greater than 1.7. The polymer block A has an acid value of 0 to 30 mgKOH/g and a glass transition point of not higher than 60°C. The polymer block B has an acid value of 75 to 250 mgKOH/g. The A-B block copolymer has been neutralized with an alkaline material, and has been allowed to self-emulsify in an aqueous medium to form emulsion particles having an average particle size of 30 to 300 nm.
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