CN103937391A - Antibacterial self-dry paint and preparation method thereof - Google Patents

Abstract

The invention relates to an antibacterial self-dry paint, which is prepared from the following raw materials by weight part: 8-10 of methyl methacrylate-butyl methacrylate-methacrylic acid resin, 6-8 of reactive alkyl phenolic resin, 30-40 of dry alkyd resin, 2-3 of colloidal silicon dioxide, 2-3 of polyethylene wax, 1-2 of sodium aluminate, 1-2 of dipotassium glycyrrhizinate, 4-8 of silica aerogel, 16-20 of acetone, 1-2 of methyl isothiazolinone, 1-2 of menthol, 2-3 of magnesium oxide, 10-14 of dimethylbenzene, 8-12 of tourmaline powder, and 4-6 of an adhesion assistant. After the coating cures into a film, the film has gloss and toughness, strong adhesion, and has good abrasion resistance, weather resistance and insulation. By adding the dipotassium glycyrrhizinate and menthol, the coating has an antibacterial effect, and by adding the tourmaline powder, the coating can absorb light, force, heat and electricity, and also plays a role of catalytic decomposition, thus being beneficial to environmental purification.

Description

A kind of antibacterial air-dried coating and preparation method thereof

Technical field

The invention belongs to paint field, relate in particular to a kind of antibacterial air-dried 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 antibacterial air-dried coating and preparation method thereof, this coating is glossy and toughness, strong adhesion, and there is good wear resistance, weathering resistance and insulativity; There is anti-microbial effect; There is the effect of absorb light, power, heat, electricity, also there is the effect of catalytic decomposition, be conducive to environmental purification.

Technical scheme of the present invention is as follows:

A kind of antibacterial air-dried coating, is characterized in that being made up of the raw material of following weight part: front three resin 8-10, reactive alkyl phenolic resin 6-8, dry alkyd resin 30-40, colloidal silica 2-3, polyethylene wax 2-3, sodium aluminate 1-2, Rizinsan K2 A2 1-2, silica aerogel 4-8, acetone 16-20, methylisothiazolinone 1-2, menthol 1-2, magnesium oxide 2-3, dimethylbenzene 10-14, strange ice stone flour 8-12, adhere to auxiliary agent 4-6;

The described auxiliary agent that adheres to is made up of the raw material of following weight part: isobornyl acrylate 5-7, Viscoat 295 5-7, lauryl acrylate 4-7, chloroprene rubber 6-8, polyester glycol 7-9, polyphenylene oxide 2-3, aluminium hydroxide 0.1-0.2, alcohol ester 12 film coalescence aid 5-7, titanate coupling agent TMC-TTS0.6-1, calcium naphthenate 1-2, ethylene dichloride 8-13, methylethylketone 8-11, isocyanic ester 2-3, ethyl acetate 5-8, toxilic acid 1-2, urethane acrylate 4-5; Making method is: methylethylketone, ethylene dichloride, ethyl acetate are mixed, under 4000-6000 rev/min, add Viscoat 295, chloroprene rubber, after dissolving, add again isobornyl acrylate, lauryl acrylate, polyester glycol, stir 40-60 minute, add other remaining components, be heated to 80-90 DEG C, stirring reaction 40-60 minute, to obtain final product.

The preparation method of described antibacterial air-dried coating, is characterized in that comprising the following steps:

(1) prepare A component: in closed agitator, acetone, dimethylbenzene are mixed, under 4000-6000 rev/min, add polyethylene wax, silica aerogel, colloidal silica, stir 10-15 minute, add again front three resin, reactive alkyl phenolic resin, dry alkyd resin, stir 1-2 hour, ultrasonic dispersion 6-9 minute, makes A component;

(2) prepare B component: other remaining components are mixed, stir 20-30 minute, disperse and be ground to fineness≤50 μ m, make B component;

(3) A component and B component are mixed, stir 30-40 minute, to obtain final product.

Beneficial effect of the present invention

After paint solidification film forming of the present invention, glossy and toughness, strong adhesion, and there is good wear resistance, weathering resistance and insulativity; By adding Rizinsan K2 A2, menthol, there is anti-microbial effect; By adding strange ice stone flour, there is the effect of absorb light, power, heat, electricity, also there is the effect of catalytic decomposition, be conducive to environmental purification.

Embodiment

A kind of antibacterial air-dried coating, by following weight part (kilogram) raw material make: front three resin 9, reactive alkyl phenolic resin 7, dry alkyd resin 35, colloidal silica 2.6, polyethylene wax 2.5, sodium aluminate 1.5, Rizinsan K2 A2 1.5, silica aerogel 6, acetone 18, methylisothiazolinone 1.5, menthol 1.5, magnesium oxide 2.5, dimethylbenzene 12, strange ice stone flour 10, adhere to auxiliary agent 5;

Described adhere to auxiliary agent by following weight part (kilogram) raw material make: isobornyl acrylate 6, Viscoat 295 6, lauryl acrylate 6, chloroprene rubber 7, polyester glycol 8, polyphenylene oxide 2.5, aluminium hydroxide 0.2, alcohol ester 12 film coalescence aid 6, titanate coupling agent TMC-TTS0.8, calcium naphthenate 1.5, ethylene dichloride 11, methylethylketone 9, isocyanic ester 2.5, ethyl acetate 6, toxilic acid 1.5, urethane acrylate 4.5; Making method is: methylethylketone, ethylene dichloride, ethyl acetate are mixed, under 5000 revs/min, add Viscoat 295, chloroprene rubber, after dissolving, add again isobornyl acrylate, lauryl acrylate, polyester glycol, stir 50 minutes, add other remaining components, be heated to 85 DEG C, stirring reaction 50 minutes, to obtain final product.

The preparation method of described antibacterial air-dried coating, comprises the following steps:

(1) prepare A component: in closed agitator, acetone, dimethylbenzene are mixed, under 5000 revs/min, add polyethylene wax, silica aerogel, colloidal silica, stir 13 minutes, add again front three resin, reactive alkyl phenolic resin, dry alkyd resin, stir 1.5 hours, ultrasonic dispersion 8 minutes, makes A component;

(2) prepare B component: other remaining components are mixed, stir 25 minutes, disperseing and being ground to fineness is 50 μ m, makes B component;

(3) A component and B component are mixed, stir 35 minutes, to obtain 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 30 microns, and sticking power is 2 grades, resistance to impact shock >=53kgcm, snappiness is 2mm.

Claims (2)

1. an antibacterial air-dried coating, is characterized in that being made up of the raw material of following weight part: front three resin 8-10, reactive alkyl phenolic resin 6-8, dry alkyd resin 30-40, colloidal silica 2-3, polyethylene wax 2-3, sodium aluminate 1-2, Rizinsan K2 A2 1-2, silica aerogel 4-8, acetone 16-20, methylisothiazolinone 1-2, menthol 1-2, magnesium oxide 2-3, dimethylbenzene 10-14, strange ice stone flour 8-12, adhere to auxiliary agent 4-6;

The described auxiliary agent that adheres to is made up of the raw material of following weight part: isobornyl acrylate 5-7, Viscoat 295 5-7, lauryl acrylate 4-7, chloroprene rubber 6-8, polyester glycol 7-9, polyphenylene oxide 2-3, aluminium hydroxide 0.1-0.2, alcohol ester 12 film coalescence aid 5-7, titanate coupling agent TMC-TTS0.6-1, calcium naphthenate 1-2, ethylene dichloride 8-13, methylethylketone 8-11, isocyanic ester 2-3, ethyl acetate 5-8, toxilic acid 1-2, urethane acrylate 4-5; Making method is: methylethylketone, ethylene dichloride, ethyl acetate are mixed, under 4000-6000 rev/min, add Viscoat 295, chloroprene rubber, after dissolving, add again isobornyl acrylate, lauryl acrylate, polyester glycol, stir 40-60 minute, add other remaining components, be heated to 80-90 DEG C, stirring reaction 40-60 minute, to obtain final product.

2. the preparation method of antibacterial air-dried coating according to claim 1, is characterized in that comprising the following steps:

(1) prepare A component: in closed agitator, acetone, dimethylbenzene are mixed, under 4000-6000 rev/min, add polyethylene wax, silica aerogel, colloidal silica, stir 10-15 minute, add again front three resin, reactive alkyl phenolic resin, dry alkyd resin, stir 1-2 hour, ultrasonic dispersion 6-9 minute, makes A component;

(2) prepare B component: other remaining components are mixed, stir 20-30 minute, disperse and be ground to fineness≤50 μ m, make B component;

(3) A component and B component are mixed, stir 30-40 minute, to obtain final product.