Water-proof corrosion inhibitor and preparation method thereof
A rust inhibitor and waterproof technology, which is applied in the field of reinforced concrete rust inhibitors, can solve the problems of environmental and human health hazards, difficulty in the dosage of rust inhibitors, etc., and achieve high rust resistance, strong permeability, and reduced penetration speed Effect
Inactive Publication Date: 2008-09-24
北京东方建宇混凝土科学技术研究院有限公司 +1
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- Abstract
- Description
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Problems solved by technology
[0008] The purpose of the present invention is to provide a waterproof rust inhibitor, to solve the technical problems
Method used
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Embodiment 1
[0031] Weigh 10 kg of modified silicone and 30 kg of ethanolamine, and then add 60 kg of tap water for stirring. After stirring evenly, the waterproof rust inhibitor of the present invention is obtained.
Embodiment 2
[0033] Weigh 15kg of modified organosilicon and 20kg of N-methylethanolamine, then add 65kg of tap water for stirring, and after stirring evenly, the waterproof rust inhibitor of the present invention is obtained.
Embodiment 3
[0035] Weigh 20kg of modified organosilicon and 20kg of triethanolamine, then add 60kg of tap water for stirring, and after stirring evenly, the waterproof rust inhibitor of the present invention is obtained.
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The present invention discloses a water-proof rust-resistant agent with the ingredients by the following weight percent: 10 to 20 percent of modified organosilicone, 10 to 30 percent of alkamine, and 60 to 70 percent of water. The modified organosilicone is alkyl alkaoxy silane with the chemical formula of R'Si(OR3)3, wherein, R' and R represent the alkyl. The present invention is free from negative influence on the condensation time and the strength of the concrete, and has the advantages of low consumption volume and high rust-resistant performance. The present invention has remarkable functions on the self water prevention of the concrete structure and the rusty corrosion of the steel bar, and also has the functions such as water reduction, air introduction, plasticity preservation and corrosion prevention, thereby can be used as the additive for the concrete pumping agent, the water-proof agent and the rust-resistant agent.
Description
(1) Technical field [0001] The invention relates to a reinforced concrete rust inhibitor. (2) Background technology [0002] According to the survey on the durability of my country's coastal port wharf projects, the durability problems caused by the corrosion of steel bars account for more than 80% of reinforced concrete, and many marine engineering buildings have rust cracks along the bars and concrete in only 3 to 5 years after construction. The peeling of the protective layer and other phenomena have to be overhauled in advance, and the durability of the port project is far less than the designed service life. Therefore, effective measures must be taken to improve the durability of reinforced concrete in harbor engineering construction. [0003] In the United States, the United Kingdom, and the Middle East, there are a large number of reports on the concrete structure damage of roads and bridges caused by deicing salt and seawater erosion. Corrosion of steel bars is also...
Claims
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CPCC04B40/0039C04B2103/65C04B2103/61C04B28/02
Inventor 路来军王安岭王旻武俊宇郝旭英
Owner 北京东方建宇混凝土科学技术研究院有限公司
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