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Nano double-component cane paint and preparation method thereof

A two-component, rattan technology, used 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 limiting the scope of use. The effect of reducing the surface surface energy, increasing the initial thermal decomposition temperature, and improving the surface strength

Inactive Publication Date: 2016-12-21
FUNAN NATURE ARTS & CRAFTS
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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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Effect test

Embodiment Construction

[0029] A kind of nano two-component rattan paint, this paint is to be made up of A component and B component that mass ratio is 1.5:1, and described A component is made up of the raw material of following weight part:

[0030] Azobisisobutyronitrile 1.7, azodicarbonamide 0.01, nano diatomite 2, 1,2 dimethylimidazole 0.6, pentaerythritol 4, hexadecyltrimethylammonium chloride 2, acetone 50, methanol 10 , lithium hydroxide monohydrate 2, 20% hydrochloric acid 40, isobutyltrimethoxysilane 10, acetonitrile 1, 3 aminopropyltriethoxysilane 4, dibutyltin dilaurate 0.1, polyethylene glycol monomethyl Ether 0.8, isophorone diisocyanate 130, polycarbonate diol 180, 1,4 butanediol 3, stannous octoate 0.6, zinc hydroxystannate 4, diammonium phosphate 1, ascorbic acid 1, octylisothiazoline Ketone 1, hydrolyzed polymaleic anhydride 1, polysorbate 800.7;

[0031] Described B component is made up of the raw material of following parts by weight:

[0032] Chlorinated paraffin 4, N3390 Bayer ...

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Abstract

The invention discloses a nano double-component cane paint. The paint consists of a component A and a component B in a mass ratio of 1.5-2:1. The modified siloxane disclosed by the invention is a nano-particle containing an Si-O-Si skeletal structure, can prevent release of volatile matters during further oxidation and decomposition of organics in a polymer, has very good thermal stability, can be functionalized easily at the same time, can be well introduced into an organic matrix to improve the performance of the polymer, will generate SiO2 coating on the surface under an oxidation condition, and can enable a material to be isolated from oxygen and heat and result in that a flame-retardant effect is increased.

Description

technical field [0001] The invention relates to the technical field of rattan paint, in particular to a nanometer two-component 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 the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/08C09D183/08C09D5/18C09D7/12
CPCC08K2201/011C08K2201/014C08L2201/02C08L2201/08C08L2205/02C08L2205/035C09D5/18C09D175/08C08L83/08C08K13/02C08K3/34C08K5/3445C08K5/053C08K5/57
Inventor 杨毅
Owner FUNAN NATURE ARTS & CRAFTS
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