FIELD: production of composite materials. SUBSTANCE: desired unsaturated polyester resin is prepared by interaction of maleic anhydride with endo-norbornene-2,3-dicarboxylic acid, diethylene glycol, ethylene glycol and with water, their molar ratio being (0.3-0.4):(0.6-0.7):(0.8-0.9): (0.2-0.3): (0.04-0.2) respectively. Mentioned above anhydride of endo-norbornene-2,3-dicarboxylic acid is used as modifying component. EFFECT: improves efficiency of the method. 1 tbl
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Authors
Dates
1997-01-27—Published
1992-04-28—Filed