国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B111/27（3）
发明人 WU H（3）
公开年
申请年 2022（2） 
专利权人

Gypsum-based sound insulation heat preservation floor system useful in building material, comprises structure layer, sound heat preservation layer and leveling layer from bottom to top, where gypsum-based composite material is hydrophilic rubber particles, phosphogypsum, water and nano-airgel.

KANG S, LI X, WANG J, WU H, CHENG B, MA P, GAO Y

Solvent-free epoxy polymer modified cement mortar comprises component comprising epoxy polymer modifier, epoxy resin modifier, calcium carbonate and silicon dioxide, and another component comprising mercapto modified curing agent.

ZENG J, RUAN W, ZHANG W, XIE X, ZHANG M, WU H, HUANG Z

Preparation of oxidized graphene modified polymer cement waterproof coating involves mixing concentrated sulfuric acid, graphite powder and sodium nitrate mixture, cooling, mixing, adding potassium permanganate, and reacting.

WU H, ZHANG S