国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC C08K003/04（4）
发明人 ZHANG C（4）
公开年 2022（2）
申请年 2021（2） 
专利权人

Preparing medical packaging film with high barrier property comprises e.g. adding acetic anhydride and modified titanium dioxide-graphene oxide composite, preparing modified titanium dioxide-carboxymethyl cellulose composite, and preparing polyhydroxyl butyric acid valeric acid copolyester film.

ZHOU S, YUAN X, ZHANG C

Material useful in preparing pipe for underground coal mine, comprises polyvinyl chloride resin, impact modifier, antistatic agent, flame retardant smoke inhibitor, lubricant, heat stabilizer, reinforcing agent and plasticizer.

LI F, FENG J, LI N, MA J, ZHANG C

Epoxy-type copper-clad plate material useful for aluminum substrate, and copper clad laminate, comprises composite resin, accelerator, curing agent and tin dioxide/graphene.

ZHANG C

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