国家/地区 中国（6）
IPC部 C（7）
IPC大类 C04（7）
IPC小类 C04B（7）
IPC C04B020/10（7）
发明人
公开年 2021（7）
申请年 2021（7）
专利权人

Modification of pulverized coal ash involves grinding fly ash in turn, dry ball milling, sieving, preparing pulverized coal ash liquid, and dissolving graphene oxide in water for ultrasonic stirring to obtain graphene oxide liquid.

WANG F, WANG W, MA Q, REN S

Microwave absorption reinforced aggregate structure for use as aggregate in asphalt concrete, has core structure and outer layer structure that is wrapped around core structure in housing shape, where core structure is provided with hole.

ZHAO Y, WEI D, LIU X

High surface tear strength mica piece comprises mica piece main body prepared by silicone resin and mica slurry comprising mica powder composition, reinforcing filler has modified Kevlar fiber vertically distributed in mica main body composed of Kevlar fiber and organic solvent.

ZHOU P, OUYANG L, YAO J, LU J, YUAN Z

Repairing concrete structure, comprises e.g. applying surface reinforcement material to concrete structure from which foreign matter is removed, applying surface protective material on repair material application site, and applying ceramic coating material.

PARK J

Self-sensing intelligent conductive asphalt pavement material, prepared by doping conductive material in asphalt mixture, where surface of coarse aggregate is covered with conductive cement-based coating to form intelligent aggregate unit.

JIANG Z, XIE M, XU L, WEN Y, WU K, WANG Z

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

Anti-cracking regenerated concrete in road surfaces and bridge decks, comprises cement, water reducing agent, fine aggregate, coarse aggregate, filler, graphene modified basalt fiber and polystyrene microsphere.

XU Z, YANG D, XIA M