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Preparation method for solvent-free root-puncture-resistant waterproof polyurethane paint
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A polyurethane waterproof and solvent-free technology, applied in the field of polyurethane coatings, can solve problems such as plant death, poor root thorn resistance, and environmental pollution
Inactive Publication Date: 2018-01-26
天津市奇才防水材料有限公司
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Problems solved by technology
With the development of the city, green roofs are more and more popular among people. It not only greens the city, but also improves the living environment of human beings. In addition, more and more underground spaces are used. There are a lot of greening projects on top of it, but Problems such as waterproofing and root resistance have appeared again and again. A single anti-root thorn coil can no longer meet the needs of complex structure anti-root thorn construction. The emergence of anti-root thorn waterproof coating has filled the gap
Improper addition of root inhibitors will affect the normal growth of plants, and even cause plant death, affecting greening projects
[0005] (3) The anti-root thorn effect is poor
[0007] (4) Ordinary two-component anti-root thorn polyurethane waterproof coating contains organic solvents, which will cause volatilization of organic solvents during construction, resulting in pollution to the environment and harm to the human body
Method used
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Embodiment 1
[0042] Component A consists of the following components by weight:
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Abstract
The invention provides a root-puncture-resistant waterproof polyurethane paint. The root-puncture-resistant waterproof polyurethane paint is a solvent-free environment-friendly waterproof polyurethanepaint which is prepared by mixing a component A and a component B with a chemical root-blocking agent. Scaly micapowder is added as a filling material and can fill in pores in a waterproof film to improve the compactness of the film; the toughness of the film is improved without increase of cost; penetration of ultraviolet rays and moisture is stopped, and cracking and efflorescence of the filmare prevented, so the durability and waterproofness of the film are improved; and the ageing resistance and the ultraviolet resistance of the film are enhanced. Compared with conventional root-puncture-resistant coiled materials, the paint provided by the invention has better water resistance and root-puncture resistance and is convenient to construct. The paint contains no solvent, and is non-toxic, odorless and environment-friendly. In addition, the paint also has the characteristics of good elasticity, good bonding performance, good adaptability to construction, etc., and is a novel waterproof polyurethane paint.
Description
technical field [0001] The invention relates to a polyurethane coating, in particular to a thorn-resistant, solvent-free polyurethane waterproof coating. Background technique [0002] With the improvement of people's living standards and living conditions, people put forward higher requirements for the living and working environment. With the development of the city, green roofs are more and more popular among people. It not only greens the city, but also improves the living environment of human beings. In addition, more and more underground spaces are used. There are a lot of greening projects on top of it, but Problems such as waterproofing and root resistance have emerged again and again. A single anti-root thorn coil can no longer meet the needs of complex structure anti-root thorn construction. The emergence of anti-root thorn waterproof coating has filled the gap. Among them, anti-root thorn waterproof coatings are mostly water-emulsion type, and there are many interf...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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