Patching material for building tear and construction process thereof
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A technology for repairing materials and construction techniques, applied in building maintenance, building construction, construction, etc., can solve problems such as repair work failure, and achieve the effects of simple construction, convenient construction, and low operating technical requirements.
Inactive Publication Date: 2009-04-08
MAANSHAN TIANJINYUN PAINT IND
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Problems solved by technology
The choice of repair material is one of many related measures, and no matter how careful the repair work is, inappropriate use of repair materials can lead to premature failure of the repair work
Method used
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Embodiment 1
[0045] The weight ratio of group A powder material and group B liquid material is 2:1, and the pH regulator is T-80 amine neutralizer purchased on the market, and its main component is dimethylethanolamine. All other ingredients are purchased from the market.
Embodiment 2
[0047] The weight ratio of group A powder material and group B liquid material is 1.2:1, and the pH regulator is T-80 amine neutralizer purchased in the market, and its main component is dimethylethanolamine. All other ingredients are purchased from the market.
Embodiment 3
[0049] The weight ratio of group A powder and group B liquid is 1:1, and the pH regulator is CP-802 purchased on the market. CP-802 is an organic alcohol amine compound with weak alkalinity and low volatility. Ammonia has better pH stability and low odor. All other ingredients are purchased from the market.
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Abstract
The invention discloses a patching material for processing building cracks, which is prepared from powders of group A, liquid materials of group B through mixing, wherein the weight proportion of the powders of the group A to the liquid materials of the group B is between 0.8 and 2 to 1. The content range of each composition of the powders of the group A is as follows: 30 to 80 percent of 425 Portland cement, 10 to 50 percent of quartz powders, 5 to 30 percent of nano-size calcium carbonate, 1 to 5 percent of polypropylene short fiber, 1 to 10 percent of wood fiber, 1 to 10 percent of methyl cellulose, and 1 to 10 percent of calcium formate; and the content range of each composition of the liquid materials of the group B is as follows: 10 to 80 percent of pure acrylic resin copolymer emulsion, 0.1 to 1 percent of defoamer, 1 to 11 percent of bactericidal preservative, 1 to 12 percent of alkaline swelling thickener, 0.5 to 12 percent of pH modifier, 5 to 20 percent of talc powders, and 10 to 40 percent of water. The construction process of the patching material is performed according to the following steps: base course processing, patching material scraping, and surface layer brushing. A product of the patching material has the advantages of strong cohesive force, high mechanical strength, impact resistance, shock resistance, insolation resistance, water immersion resistance, chemical corrosion resistance, no pollution, excellent physical and chemical properties of the product, strong stress resistance, and certain waterproof effect.
Description
technical field [0001] The present invention relates to a repairing material and a construction process, in particular to a repairing material and a construction process for treating building cracks, which can be widely used in wall cracks, roof cracks, temperature difference joints, building settlement joints, gypsum board joints, Treatment of building cracks such as thermal insulation system cracks. Background technique [0002] Concrete is an engineering material widely used in buildings. It is a cementing material slurry prepared by cement, admixtures, admixtures and water to bind dispersed sand and stone together through stirring. Hardened concrete is a multi-component, multi-phase, heterogeneous cement-based composite material with high elastic modulus and low tensile strength. As long as a little shrinkage occurs under restrained conditions, the resulting tensile stress is often It will be greater than the tensile strength of concrete at this age, resulting in cracks...
Claims
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Application Information
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