国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3）
IPC小类 C09D（3）
IPC C09D001/00（3）
发明人 LI J（3）
公开年 2022（3）
申请年 2022（3）
专利权人

Cement-based spraying slurry useful for repairing inspection well of a building e.g. residential building, commercial building, industrial building and military building, comprises cement, aggregate, carboxy materials and styrene-acrylic emulsion and expansion agent.

WANG X, ZHENG X, XIE R, LI J, SUN F

Fireproof coating useful for improving fireproof performance of metal structure comprises bottom layer non-expansion type fireproof coating using ethylene-vinyl acetate (EVA) redispersible rubber powder as auxiliary agent and surface layer as expansion type fireproof coating formed.

LIU J, BAO X, WANG C, LI J, XING T, JIANG L, WANG X, MA G, ZHANG L, LI Y, FENG X

Preparing high-strength aluminum alloy die casting used for automobile engine bracket, involves putting aluminum alloy matrix into acetone, ultrasonically cleaning aluminum alloy matrix, and ultrasonically cleaning aluminum alloy matrix through absolute ethyl alcohol and deionized water in sequence.

WU G, CHEN D, ZHANG J, LI J, WANG X, LI D