国家/地区 中国（10）
IPC部 C（10）
IPC大类 C08（10）
IPC小类 C08G（10）
IPC C08G018/48（10）
发明人 LI Y（10）
公开年 2014（2） 2016（2） 2018（2）
申请年 2014（2）  2016（2）  2018（2） 
专利权人 WANHUA CHEM .（2） ZHEJIANG WEI.（2）

High-strength polyurethane rigid foam material is prepared from raw materials containing white material first component and polyisocyanate second component, where first component includes polyether polyol, modified filler, foam stabilizer, composite catalyst, flame retardant and foaming agent.

MIAO B, ZHANG W, GAO B, LI Y, SONG K, PANG D, HAN H

Preparing graphene-modified bio-based aqueous polyurethane used in coatings, involves adding polypropylene glycol and graphene, stirring and adding biomass liquid.

LI Y

High flame-retardant polyurethane foam composition comprises e.g. polyisocyanate, white material, polyol composition, modified graphene aerogel, cross-linking agent, wetting dispersant, catalyst, foaming agent and surfactant.

SONG K, PANG D, LI Y, CHEN D, GAO B

Preparing graphene/nickel complex modified waterborne polyurethane material useful in electromagnetic radiation protection field comprises vacuum-dehydrating, cooling, adding diisocyanate and methyl ethyl ketone, and reacting.

GAO Y, YANG L, CHEN B, JIA T, LI Y, WANG H, ZHANG M

Chemically modifying aqueous wood coating by nanocellulose-dispersed graphene comprises e.g. subjecting cellulose raw material for extraction treatment and delignification treatment, and performing mechanical pretreatment.

DONG X, LI Y

Preparing graphene polyurethane agricultural machinery track comprises e.g. pre-polymer using in-mold molding method, casting, centrifuging, molding, mold releasing, cleaning, preparing crosslinking agent, preheating, curing and stripping.

LI Y

Automotive glass antifog coating comprises graphene oxide layer, crosslinked layer and antifogging layer formed on surface of graphene glass substrate, where oxidized graphene layer is formed by oxidation of graphene structure.

LIN D, LI Y, YANG J, TANG T, LI W, TANG D

Preparing modified polyurethane comprises dispersing molten graphene in polyol, stirring and heating, drying under vacuum to obtain graphene complex polyol, mixing graphene complex polyol with diisocyanate and stirring.

CHANG W, CUI X, LI Y, LIAN H, HU Y

Preparation of graphene/aqueous polyurethane nanocomposite includes vacuum dehydrating polyether polyol, adding toluene diisocyanate, mixing, reacting, adding dihydroxy acid, reacting, cooling, diluting, emulsifying and drying.

XU X, LI Y, CHEN G, FENG J, GAO C, LU G

Preparing graphene oxide-aqueous polyurethane nanocomposite used in e.g. anticorrosion coatings involves obtaining prepolymer using e.g. polyether polyol, reacting mixture using e.g. dihydroxy acid, emulsifying and drying product.

XU X, LI Y, CHEN G, FENG J, GAO C, LU G