CN103937342A - Heat-proof and salt spray-resistant coating and preparation method thereof - Google Patents

Abstract

The invention relates to a heat-proof and salt spray-resistant coating, which is prepared from the following raw materials by weight part: 55-62 of perchloroethylene resin, 5-9 of acrylic resin, 4-6 of glycerol, 2-3 of carrageenan, 2-4 of hectorite, 6-8 of diacetone alcohol, 0.2-0.3 of polyester modified polysiloxane, 1-2 of blown castor oil, 3-4 of isopropyltri(dioctyl pyrophosphate acyloxy)titanate, 3-5 of anhydrous lanolin, 4-6 of spodumene powder, 10-12 of butyl acetate, 0.5-1 of polyethylene wax, and 4-6 of an adhesion assistant. By using perchloroethylene resin as a base material, the coating has good electrical insulation, thermoplasticity and film-forming property, extremely stable chemical performance, good corrosion resistance and salt spray resistance, and is non-flammable. At the same time, the acrylic resin and the adhesion assistant are used cooperatively, thus enhancing the adhesion performance. By adding the spodumene powder, the heat resistance is improved. The coating is suitable for hot and humid seaside areas, is durable in use and has good economic benefits.

Description

A kind of heat-resisting salt spray resistance coating and preparation method thereof

Technical field

The invention belongs to paint field, relate in particular to a kind of heat-resisting salt spray resistance coating and preparation method thereof.

Background technology

The use field of coating is a lot of now, owing to being often exposed among atmosphere, be subject to the erosion of oxygen, moisture etc., easily cause the phenomenons such as corrosion of metal, foxy, cement weathering, along with the raising of people's living standard, requirement to coating each side all increases, especially the requirement of the aspects such as performance such as the hardness to coating, wear resistance, fullness ratio, shock-resistance, ageing resistance, anticorrosion, waterproof, grease proofing, chemicals-resistant, fast light, heatproof is more and more higher, therefore needs the more progressive coating of research to meet people's needs.

Summary of the invention

The object of the present invention is to provide a kind of heat-resisting salt spray resistance coating and preparation method thereof, this coating has good electrical insulating property, thermoplasticity and film-forming properties, and chemical property is very stable, good corrosion resistance, and salt fog resistance is good, nonflammable; Adhesion property is good, and resistance toheat is good.

Technical scheme of the present invention is as follows:

A kind of heat-resisting salt spray resistance coating, is characterized in that being made up of the raw material of following weight part: supervinyi chloride resin 55-62, acrylic resin 5-9, glycerine 4-6, carrageenin 2-3, hectorite 2-4, diacetone alcohol 6-8, polyester-modified polysiloxanes 0.2-0.3, blown castor oil 1-2, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 3-4, lanolin anhydrous bp93 3-5, triphane powder 4-6, butylacetate 10-12, polyethylene wax 0.5-1, adhere to auxiliary agent 4-6;

The described auxiliary agent that adheres to is made up of the raw material of following weight part: thiosinamine 0.2-0.3, Silane coupling agent KH550 0.4-0.6, butyl acrylate 3-5,1,6 hexanediol diacrylate 4-7, urethane resin 6-8, chlorinated polypropylene 7-9, Tenox PG 2-3, tripoly phosphate sodium STPP 2-3, dicumyl peroxide 0.1-0.2, Isooctyl acrylate monomer 5-7, ethyl acetate 10-15, propyl carbinol 10-15, oleum lini 1-2, wet nurse fruit oily 1-2, succsinic acid 0.2-0.3; Making method is: ethyl acetate, propyl carbinol, oleum lini, wet nurse fruit oil are mixed, under 3000-4000 rev/min, add urethane resin, chlorinated polypropylene, after dissolving, add again butyl acrylate, 1,6-hexanediyl ester, stir 20-30 minute, add other remaining components, be heated to 80-90 DEG C, stirring reaction 30-50 minute, to obtain final product.

The preparation method of described heat-resisting salt spray resistance coating, is characterized in that comprising the following steps:

(1) prepare A component: by vinyl chloride resin, glycerine, lanolin anhydrous bp93, blown castor oil hot melt and stir, under 3000-5000 rev/min, add butylacetate, stir 20-30 minute, ultrasonic dispersion 7-10 minute, makes A component;

(2) prepare B component: acrylic resin, diacetone alcohol are mixed, under 4000-6000 rev/min, add hectorite powder, stir 20-30 minute, disperse and be ground to fineness≤50 μ m, make B component;

(3) other remaining components are mixed, add A component and B component, stir and grind to form slurry and get final product.

Beneficial effect of the present invention

It is basestocks that coating of the present invention uses supervinyi chloride resin, makes coating have good electrical insulating property, thermoplasticity and film-forming properties, and chemical property is very stable, good corrosion resistance, and salt fog resistance is good, nonflammable; Be used in conjunction with acrylic resin simultaneously and adhere to auxiliary agent, having strengthened adhesion property, by adding triphane powder, having improved resistance toheat, this coating is applicable to damp and hot area, seashore, durable in use, good in economic efficiency.

Embodiment

A kind of heat-resisting salt spray resistance coating, by following weight part (kilogram) raw material make: supervinyi chloride resin 58, acrylic resin 7, glycerine 5, carrageenin 2.6, hectorite 3, diacetone alcohol 7, polyester-modified polysiloxanes 0.3, blown castor oil 1.5, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 3.5, lanolin anhydrous bp93 4, triphane powder 5, butylacetate 11, polyethylene wax 0.7, adhere to auxiliary agent 5;

Described adhere to auxiliary agent by following weight part (kilogram) raw material make: thiosinamine 0.2, Silane coupling agent KH550 0.5, butyl acrylate 4,1,6 hexanediol diacrylate 5, urethane resin 7, chlorinated polypropylene 8, Tenox PG 2.5, tripoly phosphate sodium STPP 2.5, dicumyl peroxide 0.1, Isooctyl acrylate monomer 6, ethyl acetate 13, propyl carbinol 13, oleum lini 1.5, wet nurse fruit oil 1.5, succsinic acid 0.2; Making method is: ethyl acetate, propyl carbinol, oleum lini, wet nurse fruit oil are mixed, under 3500 revs/min, add urethane resin, chlorinated polypropylene, after dissolving, add again butyl acrylate, 1,6-hexanediyl ester, stir 25 minutes, add other remaining components, be heated to 85 DEG C, stirring reaction 40 minutes, to obtain final product.

The preparation method of described heat-resisting salt spray resistance coating, comprises the following steps:

(1) prepare A component: by vinyl chloride resin, glycerine, lanolin anhydrous bp93, blown castor oil hot melt and stir, under 4000 revs/min, add butylacetate, stir 25 minutes, ultrasonic dispersion 8 minutes, makes A component;

(2) prepare B component: acrylic resin, diacetone alcohol are mixed, add hectorite powder under 5000 revs/min, stir 25 minutes, disperseing and being ground to fineness is 50 μ m, makes B component;

(3) other remaining components are mixed, add A component and B component, stir and grind to form slurry and get final product.

This coating artificial ageing resistance 3400 hours, coating thicknesses of layers under the prerequisite that keeps low-luster and high-wearing feature reaches more than 33 microns, and sticking power is 2 grades, resistance to impact shock >=50kgcm, snappiness is 2mm.

Claims (2)

1. a heat-resisting salt spray resistance coating, is characterized in that being made up of the raw material of following weight part: supervinyi chloride resin 55-62, acrylic resin 5-9, glycerine 4-6, carrageenin 2-3, hectorite 2-4, diacetone alcohol 6-8, polyester-modified polysiloxanes 0.2-0.3, blown castor oil 1-2, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 3-4, lanolin anhydrous bp93 3-5, triphane powder 4-6, butylacetate 10-12, polyethylene wax 0.5-1, adhere to auxiliary agent 4-6;

The described auxiliary agent that adheres to is made up of the raw material of following weight part: thiosinamine 0.2-0.3, Silane coupling agent KH550 0.4-0.6, butyl acrylate 3-5,1,6 hexanediol diacrylate 4-7, urethane resin 6-8, chlorinated polypropylene 7-9, Tenox PG 2-3, tripoly phosphate sodium STPP 2-3, dicumyl peroxide 0.1-0.2, Isooctyl acrylate monomer 5-7, ethyl acetate 10-15, propyl carbinol 10-15, oleum lini 1-2, wet nurse fruit oily 1-2, succsinic acid 0.2-0.3; Making method is: ethyl acetate, propyl carbinol, oleum lini, wet nurse fruit oil are mixed, under 3000-4000 rev/min, add urethane resin, chlorinated polypropylene, after dissolving, add again butyl acrylate, 1,6-hexanediyl ester, stir 20-30 minute, add other remaining components, be heated to 80-90 DEG C, stirring reaction 30-50 minute, to obtain final product.

2. the preparation method of heat-resisting salt spray resistance coating according to claim 1, is characterized in that comprising the following steps:

(1) prepare A component: by vinyl chloride resin, glycerine, lanolin anhydrous bp93, blown castor oil hot melt and stir, under 3000-5000 rev/min, add butylacetate, stir 20-30 minute, ultrasonic dispersion 7-10 minute, makes A component;

(2) prepare B component: acrylic resin, diacetone alcohol are mixed, under 4000-6000 rev/min, add hectorite powder, stir 20-30 minute, disperse and be ground to fineness≤50 μ m, make B component;

(3) other remaining components are mixed, add A component and B component, stir and grind to form slurry and get final product.