国家/地区 中国（2）
IPC部 B（2）
IPC大类 C08（2）
IPC小类 C08G（2）
IPC C08G018/42（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparing environmentally friendly high-toughness polypropylene plastic involves polypropylene, reinforcing filler, castor oil modified hyperbranched polyurethane, antioxidant and lubricant and then placing polypropylene.

ZHONG C

Preparation method of polyurethane conveyor belt based on modified graphene, involves adding isocyanate, silane coupling agent and modified graphene, raising temperature and mixing components uniformly in mold, demold, and aging.

CHEN L, GENG D