公开(公告)号：US20210079276A1

公开(公告)日：2021-03-18

申请号：US16613287

申请日：2018-04-24

申请人： TOYOPOLYMER CO., LTD.

发明人： Akira MURAKAMI

IPC分类号： C09J175/08 ,  B32B7/12 ,  B32B13/04

摘要： A polyurethane-based adhesive composition for concrete reinforcement contains a polyol component having at least two hydroxy groups per molecule and a polyisocyanate component having at least two isocyanate groups per molecule. The polyol component includes 70 mass % or more diol in 100 mass % as a total amount of the polyol component. The polyisocyanate component includes 5 mass % or more and 95 mass % or less polymethylene polyphenyl polyisocyanate in 100 mass % as a total amount of the polyisocyanate component.