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METHOD FOR PRODUCING ALCOHOL-SOLUBLE URETHANE RESIN AND PRINTING INK
METHOD FOR PRODUCING ALCOHOL-SOLUBLE URETHANE RESIN AND PRINTING INK
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机译:制备醇溶型聚氨酯树脂和印刷油墨的方法
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摘要
PROBLEM TO BE SOLVED: To provide a method for producing a low-malodorous urethane resin under consideration for environmental protection with excellent printability such as water and hot water resistances and to obtain a printing ink consisting essentially of the urethane resin.;SOLUTION: This method for producing an alcohol-soluble urethane resin comprises reacting a linear urethane prepolymer having isocyanate groups bound to carbons of a secondary and/or a tertiary aliphatic hydrocarbon at both terminals in a specific proportion with a diamine in an alcoholic solvent and extending the chain. The printing ink is characterized by comprising the urethane resin as a binder resin.;COPYRIGHT: (C)2002,JPO
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