国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B024/38（3）
发明人 ZHANG X（3）
公开年
申请年
专利权人

Chromium reducing type cement grinding aid useful in building material, comprises grinding aid shell, reducing agent, protective agent, penetration enhancer, and water, where reducing agent is sodium thiosulfate.

LIU Y, ZHANG X, ZHANG H, ZHANG Z

Alkali-free quick-setting agent comprises alcohol amine, aluminum sulfate, magnesium sulfate and/or magnesium silicate as quick-setting components, specific reduced component and sulfonated graphene.

WANG W, ZHANG X, WANG R, GAO N, YANG X

Building insulation gypsum powder with sound-absorbing noise-reducing function, used for processing e.g. building block, contains natural gypsum, phosphogypsum, calcined alunite, hydroxyethyl cellulose, graphene and fluff pulp.

ZHANG S, ZHANG X, HU X