| abstract |
The invention relates to the field of plastic composites, and discloses a high-strength coating composition for injection molding, a plastic composite obtained by using the coating composition for injection molding, and a preparation method thereof. The composition of the present invention contains a binder resin, a curing agent A, a curing agent B, a silane coupling agent and a diluent, wherein the binder resin is a hydroxy acrylic resin; the curing agent A is an isocyanate curing agent ; Described curing agent B is one or more of blocked isocyanate curing agent, amino resin and epoxy resin; The weight ratio of described curing agent A and curing agent B is 1:2-6. The plastic composite obtained by using the high-strength coating composition for injection molding of the present invention has extremely high interlaminar bonding force. |