Qingdao University of Technology

Qingdao Institute of Marine Geology

Xiaoying Zhang

Zuquan Jin

Mengyuan Li

Bo Pang

Yunsheng Zhang

Yong Yu

Ning Li

Jihong Jiang

Xiaoqing Wang

Chuansheng Xiong

Zhaoyi Chen

Xiaoyun Song

Pengcheng Ren

A concrete curing agent, a curing coating layer and a preparation method thereof, the concrete curing agent comprises a hardening agent and a hydrophobic agent, the raw materials of the hardening agent comprises the following raw materials in parts by weight: 0.1-10 parts of fluorosilicate salt and 100 parts of water, and the hydrophobic agent comprises the following raw materials in parts by weight: 0.1-10 parts of a base catalyst, 1-10 parts of a silane coupling agent, 0.1-10 parts of hydrogen-containing silicone oil, 5-10 parts of a cross-linking agent, 10-100 parts of silica sol and 100-1000 parts of water. The present invention can significantly improve the strength, hardness and hydrophobicity, impermeability and freeze-thaw resistance of surface of concrete before and after hardening, and effectively improves the service life of concrete structures.

Concrete curing agent, curing coating layer and preparation method thereof

The present invention relates to a Z-type heterojunction photoanode film used for the photocathode protection of a reinforcing bar, the preparation method thereof and a method for the corrosion inhibition of mental materials from concrete structures in marine engineering by using the Z-type heterojunction photoanode film used for the photocathode protection of a reinforcing bar. The preparation method includes steps of preparing FeOon the conducting surface of a clean conductive substrate through the hydrothermal process, preparing FeO-PANI composite photoanode film by depositing polyaniline on the surface of FeOthrough the electrochemical synthesis and preparing Ru-FeO-PANI composite photoanode film on the surface of the FeO-PANI composite photoanode film through the in situ chemical reduction method. The technical solution in the present invention can achieve highly effective photocathode protection of a reinforcing bar from concretes in marine engineering and improve the durability of concrete structures in marine engineering.

Photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes, the preparation method thereof and a method of using the photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes

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Qingdao, China

Xiaoying Zhang