国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C09K（4）
IPC C08J009/28（2）
发明人
公开年 2023（4）
申请年 2021（4）
专利权人

Raw material composition useful in preparing fluid loss control agent for drilling fluid, comprises e.g. prop-2-enamide, prop-2-enamidomethanesulfonic acid compound, bis(prop-2-en-yl)amine chloride compound, sodium 4-ethenylbenzene-1-sulfonate compound and modified graphene oxide.

LAN Q, ZHAO H, YAN B, LI X, WANG X, WANG B, LI Q

Preparing modified polysilazane nanocomposite material, comprises grafting nanoparticles with hydroxy groups on surface with double-end polysiloxane to prepare modified nanoparticles, and, carrying out dehydration condensation reaction with polysilazane.

REQUEST N N B P

Preparing ultra-high elastic polyimide fiber/graphene composite gas gel comprises e.g. dispersing polyimide chopped fiber in alkali solution, performing surface modification, mixing graphene solution dispersion liquid with polyimide chopped fiber, dialyzing, freezing and drying.

FENG Y, YIN W, FENG W

Preparing porous polymer-graphene-based composite shaped phase change material useful as phase change materials for thermal energy conversion and storage or temperature management, comprises e.g. adding polymer material into water, taking aqueous dispersion, and placing material and drying.

SUN K, LI Y, SHI Q