US 12,435,179 B2
Environment-friendly vinyl ester resin
Heng Fang, Qingyuan (CN); Jie Wei, Qingyuan (CN); and Minsi He, Qingyuan (CN)
Assigned to Guangdong Meihang New Material Technology Co., Ltd., Qingyuan (CN)
Filed by Guangdong Meiheng New Material Technology Co., Ltd., Qingyuan (CN)
Filed on Jan. 6, 2023, as Appl. No. 18/150,923.
Application 18/150,923 is a continuation of application No. PCT/CN2022/085330, filed on Apr. 6, 2022.
Claims priority of application No. 202210032218.X (CN), filed on Jan. 12, 2022.
Prior Publication US 2023/0220151 A1, Jul. 13, 2023
Int. Cl. C08G 59/24 (2006.01); C08J 3/24 (2006.01)
CPC C08G 59/245 (2013.01) [C08J 3/24 (2013.01); C08J 2363/02 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An environment-friendly vinyl ester resin prepared by mixing following raw materials in percentage by weight: 20-65 weight percentage (wt %) of epoxy resin, 5-35 wt % of methyl monomer, 8-25 wt % of unsaturated acid, 0.01-0.3 wt % of a catalyst, 0.01-0.08 wt % of polymerization inhibitor and 10-40 wt % of a cross-linking agent;
wherein the catalyst is prepared by mixing following raw materials in percentage by weight: 5-20 wt % of cobalt chloride, 10-30 wt % of sodium hydroxide, 20-60 wt % of acetylacetone and 10-40 wt % of water.