One-component organosilane modified polyether coating and preparation method thereof

A technology of silane-modified polyether and organosilane, which is applied in the field of coatings, can solve the problems of restricting the development of polyurethane waterproof coatings, difficulty in meeting the requirements of exposure, and difficulty in improving weather resistance, and achieves strong deformation adaptability, excellent weather resistance, good weather resistance
CN105238239BActive Publication Date: 2017-08-25FOSHAN KESHUN BUILDING MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FOSHAN KESHUN BUILDING MATERIAL CO LTD
Publication Date
2017-08-25

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Abstract

The invention relates to a single-component organic silane modified polyether coating, which is composed of the following substances according to the total mass fraction of 100%: 25% to 45% of silane modified polyether, 10% to 15% of nano calcium carbonate, coloring 0% to 15% of additives, 20% to 30% of fillers, 0.2% to 1% of ultraviolet absorbers, 0.2% to 1% of ultraviolet stabilizers, 0.2% to 1% of antioxidants, 5% to 15% of plasticizers, 0.2% to 2% of water agent, 0.2% to 2% of coupling agent, 0.3% to 0.7% of drying agent and 5% to 10% of isoparaffin solvent. The invention also has very good adhesion to wet base surfaces, and is suitable for waterproofing of various base surfaces and various complex base surfaces; the construction environment is comfortable, and the weather resistance is good; the deformation adaptability of the base material is strong, and the mechanical properties are comparable to those of solvent-based single surfaces. The components of polyurethane waterproof coatings are basically the same; the storage stability is good.
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Description

[0001] Technical field:

[0002] The invention belongs to the field of coatings, and in particular relates to a single-component organosilane-modified polyether coating and a preparation method thereof.

[0003] Background technique:

[0004] At present, the widely used waterproof coatings in my country mainly include solvent-based polyurethane waterproof coatings, polymer cement waterproof coatings (JS), silicone-modified acrylic waterproof coatings, etc., among which polyurethane waterproof coatings are the most widely used. Solvent-based polyurethane waterproof coating is a prepolymer containing isocyanate group formed by addition polymerization of isocyanate and polyether, together with catalyst, auxiliary agent, filler, solvent, etc., and processed by mixing and other processes. One-component or two-component polyurethane waterproof coating. This type of coating is a reaction-curing (moisture-curing) coating, which has the characteristics of high strength and high elongat...

Claims

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