国家/地区 中国（5）
IPC部 B（5）
IPC大类 C08（5）
IPC小类 C08G（5）
IPC C08G018/76（5）
发明人
公开年 2021（3） 2020（2）
申请年 2020（5）
专利权人

Optical endpoint detection window useful for chemical mechanical polishing pads, comprises isocyanate-terminated pre-polymer, curing agent and surface modified nano-material.

WANG K, XIE Y

High performance polyurethane flame retardant foam comprises a foam base layer, a bulked fiber layer and a silencing foam layer.

WANG X, YOU Z

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

Graphene-modified polyurethane conductive material comprises functionalized graphene, diphenylmethane diisocyanate, polyester diol, dibutyltin dilaurate, 2,2-dimethylolpropionic acid and 1,4-hexanediol.

LIN D

Low-volatile organic compound sponge for automobile interior, contains grafted polyether polyol, high activity polyether polyol, foaming agent, reduced graphene oxide/titanium dioxide nanoparticles and diphenylmethane diisocyanate.

ZHANG C, TAO W