The invention discloses a method of preparing polyaspartic ester. The preparation method comprises the following steps: (1) organic primary amine and unsaturated dibasic acid ester are subjected to Michael addition reaction under the catalysis of a suppor
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Paragraph 0049-0058
(2020/04/29)
Method for preparing polyaspartic ester
The invention discloses a method for preparing polyaspartic ester. According to the method, a supported zinc catalyst is used to catalyze a Michael addition reaction on organic primary amine and unsaturated binary acid ester. Reaction activity of primary
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Paragraph 0049; 0050; 0052-0058
(2019/10/01)
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