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Double-component saponification cane paint and preparation method thereof

A two-component, saponification technology, applied in coatings, fire-retardant coatings, polyurea/polyurethane coatings, etc., can solve the problems of reducing the physical and chemical properties of the coating film, loss of the cross-linking ability of the coating film, and declining mechanical properties, etc. Effects of stiffness, surface energy reduction, and heat resistance improvement

Inactive Publication Date: 2017-01-04
阜南县利民工艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the main defect of the two-component polyurethane paint is that the curing agent reacts with water to generate various by-products, which cause the loss of the crosslinking ability of the coating film, the shortening of the pot life and the formation of air bubbles, resulting in the dullness of the coating film and the reduction of the physical properties of the coating film. Chemical properties, so it still needs to be improved in terms of adhesion, weather resistance, filling, etc.;
[0004] Polyurethane is a flammable material with a low oxygen index, and when it burns, it will release toxic gases and smoke such as HCN and CO. Therefore, when used as a paint material, it has low heat resistance and poor fire resistance, which limits its application range to a certain extent;
[0005] People often achieve the purpose of flame retardancy by covering the surface of flammable materials with a flame-retardant or non-flammable paint film containing flame-retardant additives. However, most wood-based flame retardants will have adverse effects such as catalytic degradation of wood. , especially in high temperature and humid environment, the change of mechanical properties of flame retardant wood paint during long-term use has gradually attracted the attention of scholars. When pyrolysis occurs, the flame retardant will promote the decomposition of the chemical components inside the wood, resulting in a decrease in its mechanical properties;

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] A two-component saponified rattan paint, the paint is composed of A component and B component with a mass ratio of 1.5:1, and the A component is composed of the following raw materials in parts by weight:

[0029] Ferrous Sulfate 0.1, Calcium Benzoate 1, Saturated Octadecanamide 0.6, Tetrabutylammonium Bromide 0.7, Triethanolamine Oleic Acid Soap 0.8, Cellulose Propionate 1, Acetone 50, Methanol 10, Lithium Hydroxide Monohydrate 2 , 20% hydrochloric acid 40, isobutyltrimethoxysilane 10, acetonitrile 1, 3 aminopropyltriethoxysilane 4, dibutyltin dilaurate 0.1, isophorone diisocyanate 130, polycarbonate diol 180, 1,4 butanediol 3, azobisisobutyronitrile 1.7, stannous octoate 0.6, zinc hydroxystannate 4, magnesium fluoride 2, calcium fluoride 1, diaminodiphenyl ether 0.3, polyethylene glycol Monomethyl ether 0.8;

[0030] Described B component is made up of the raw material of following parts by weight:

[0031] Chlorinated paraffin 4, N3390 Bayer HDI trimer curing agent...

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PUM

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Abstract

The invention discloses double-component saponification cane paint. The paint is prepared from a component A and a component B according to the mass ratio of (1.5-2):1. Modified siloxane is nanoparticles containing a Si-O-Si framework structure, can prevent emission of volatile matter in polymer in the further oxidation and decomposition processes of organic matter, has good heat stability, is easy to functionalize, can be well introduced into an organic matrix to improve polymer performance, can generate SiO2 under the oxidized condition to wrap the surface, can achieve oxygen insulation and heat insulation of materials, and makes the flame-retardant effect improved.

Description

technical field [0001] The invention relates to the technical field of rattan paint, in particular to a two-component saponified rattan paint and a preparation method thereof. Background technique [0002] Two-component polyurethane paint is composed of hydroxyl-containing water-based resin and -NCO-based cross-linking agent. The two are mixed evenly before construction. The film-forming process is different from solvent-based systems. The initial film-forming process is a physical drying process. Evaporation of water, coagulation of dispersion or emulsion particles, interdiffusion of polymer chains and crosslinking reactions, good coating performance, good hot water resistance, etc., so more research has been done on it; [0003] However, the main defect of the two-component polyurethane paint is that the curing agent reacts with water to generate various by-products, which cause the loss of the crosslinking ability of the coating film, the shortening of the pot life and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/18C09D175/04C09D175/08C09D183/08C09D7/12C08G18/66C08G18/48C08G18/44C08G18/32
CPCC08G18/3206C08G18/44C08G18/4829C08G18/6607C08L2201/02C08L2201/08C08L2205/035C09D5/18C09D175/04C08L75/08C08L83/08C08L1/286C08K13/02C08K5/098C08K3/34C08K2003/162C08K2003/166
Inventor 许友明
Owner 阜南县利民工艺品有限公司
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