国家/地区 中国（14）
IPC部 C（14）
IPC大类 C04（14）
IPC小类 C04B（14）
IPC C04B024/38（14）
发明人 LIU J（3） LIU X（2） LIU Y（2）
ZHANG L（2）
公开年 2021（9） 2022（4）
申请年 2021（14）
专利权人

Oil well cement retarder useful in the field of oil fields, comprises reinforcing agent, stabilizing agent, tartaric acid, sodium glucoheptonate, sodium gluconate and deionized water.

MU H, MIAO X, WEI H, LIU X, WANG M, ZHOU S, LIU J

Special grinding aid for high-strength P-I, P-II cement, comprises alcoholamine compounds, organic diamines, triethanolamine derivatives, auxiliary agent, molasses, polyol, sodium chloride, dispersant, and deionized water.

LIU X, LI G, BAI Y, DING W, LIU Y, LIU J, XU Z, YANG X

Concrete used for underground engineering applications, comprises specified weight ratio of cement, mineral powder, fly ash, water, sand, stone, water reducing agent and anti-cracking and anti-seepage reinforcing agent.

GAN J, MO Z, FAN H, SUN W

High strength regenerated concrete comprises regenerated aggregate, fine aggregate, cement, adhesive, reinforcing agent, foaming agent, water reducing agent and water.

XU C, CHEN B, ZHAO F

Solid waste plastic type water repellent agent for recycling red mud or saponified slag and water-resistant building material, comprises sulfonated oil, graphene oxide, polylol, sodium carboxymethyl cellulose and water.

LIU S, ZHANG C

Ultra-light pumping foam concrete with high stability useful for construction of high-rise building roof, comprises silicate cement, mineral admixtures, fast-hardening cement, inorganic short fiber, water, water reducing agent, graphene oxide aerogel, composite foaming agent and polyphenyl particle.

SHI B, MA P, KANG S, CHENG B, GAO Y

Concrete hydration temperature regulating agent comprises calcium carbonate, silica fume, sodium citrate, calcium lignosulfonate, gamma-cyclodextrin, pitch-based carbon fiber chopped strand, rubber particle and blend of sorbitan monostearate, ultrafine lithium slag powder and carboxylated graphene.

GUO H

Multifunctional auxiliary agent comprises high-efficiency polycarboxylic acid water-reducing agent, inorganic nanoparticles, modified cellulose, silane coupling agent and water.

JIANG X

Environment-friendly antifreeze concrete used for purifying automobile exhaust gas, comprises cement, sand, stone, water, admixture, additives, waste rubber particles and antifreeze agent containing modified starch, graphene oxide and urea.

ZHAO H, REN C, ZHENG J

Producing alkali-free accelerating agent involves opening cetyltrimethylammonium bromide storage tank and sodium silicate storage tank, quantitative cetyltrimethylammonium bromide, sodium silicate and water in water bath stirring mechanism.

ZHU Q, CAI J, ZHENG S, ZHANG Z, ZHANG L