| 摘要 |
Disclosed is a toughened film forming agent for use in a fiber sizing, a finish coating or a binder composition, where the toughened film forming agent includes a film forming polymer and a toughening agent both dispersed in water. The toughening agent may be core shell polymers, rubber, thermoplastic materials, nanomaterials, nanofibers, including any combination or subset thereof. The film forming polymer may be epoxy resins, polyurethane resins, epoxy-polyurethane resins, polyester resins, epoxy-polyester resins, polyvinylacetate resins, polypropylene resins, including any combination or subset thereof. |
