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Alkyd water-based wood paint with high adhesive force

A high adhesion, wood coating technology, applied in the direction of polyester coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of tearing, poor adhesion, poor flexibility, etc., to improve thixotropy, adhesion strength High, corrosion resistance and flexibility can enhance the effect

Inactive Publication Date: 2019-03-22
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The adhesion of alkyd water-based wood coatings on wood is not good, and it is easy to cause "tearing" phenomenon, and the flexibility is poor, which needs to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high-adhesion alkyd water-based wood coating, its raw materials include: water-based alkyd resin 65kg, water-based polyurethane 65kg, curing agent 2kg, zinc oxide 0.8kg, absolute ethanol 4kg, hydroxyl silicone oil 8kg, reinforcing agent 6kg, Zinc phosphate 1.8kg, pigment 2kg, antibacterial agent 2kg, antifungal agent 1kg, defoamer 2kg, wetting agent 1kg, water-based drier 3kg, water 150kg.

[0020] The curing agent is composed of diaminodiphenylmethane and sodium bicarbonate in a weight ratio of 3:1. The reinforcing agent is composed of acrylic microsphere composite, graphene oxide and glass fiber in a weight ratio of 8:2:5.

[0021] The acrylic acid microsphere composite is prepared by the following process: mix 4kg acrylic acid and 1kg dicumyl peroxide evenly, add 1kg oxidized polyethylene wax and stir for 15min, the stirring temperature is 120°C, cool down, pass through a 100-mesh sieve, add 140kg water and stir Evenly, add 5kg of aluminum nitrate, 29kg of polyeth...

Embodiment 2

[0023] A high-adhesion alkyd water-based wood coating, its raw materials include: water-based alkyd resin 89kg, water-based polyurethane 34kg, curing agent 5kg, zinc oxide 0.2kg, absolute ethanol 12kg, hydroxyl silicone oil 2kg, reinforcing agent 14kg, Zinc phosphate 0.5kg, pigment 4kg, antibacterial agent 1kg, antifungal agent 2kg, defoamer 1kg, wetting agent 2kg, water-based drier 1kg, water 250kg.

[0024] The curing agent is composed of diaminodiphenylmethane and sodium bicarbonate in a weight ratio of 1:4. The reinforcing agent is composed of acrylic microsphere compound, graphene oxide and glass fiber in a weight ratio of 2:6:1.

[0025] The acrylic acid microsphere composite is prepared by the following process: mix 12kg of acrylic acid and 0.2kg of dicumyl peroxide evenly, add 2kg of oxidized polyethylene wax and stir for 6 minutes, the stirring temperature is 140°C, cool down, pass through a 100-mesh sieve, and add 100kg of water Stir evenly, add 15kg of aluminum nit...

Embodiment 3

[0027] A high-adhesion alkyd water-based wood coating, its raw materials include: water-based alkyd resin 70kg, water-based polyurethane 60kg, curing agent 3kg, zinc oxide 0.6kg, absolute ethanol 6kg, hydroxyl silicone oil 6kg, reinforcing agent 8kg, Zinc phosphate 1.5kg, pigment 2.5kg, antibacterial agent 1.7kg, antifungal agent 1.4kg, defoamer 1.8kg, wetting agent 1.3kg, water-based drier 2.5kg, water 180kg.

[0028] The curing agent is composed of diaminodiphenylmethane and sodium bicarbonate in a weight ratio of 2.5:2. The reinforcing agent is composed of acrylic microsphere compound, graphene oxide and glass fiber in a weight ratio of 6:3:4.

[0029] The acrylic acid microsphere composite is prepared by the following process: mix 6kg of acrylic acid and 0.8kg of dicumyl peroxide evenly, add 1.3kg of oxidized polyethylene wax and stir for 12min, the stirring temperature is 125°C, cool down, pass through a 100-mesh sieve, and add 130kg Stir the water evenly, add 8kg of alu...

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PUM

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Abstract

The invention discloses alkyd water-based wood paint with high adhesive force. Raw materials of the alkyd water-based wood paint with the high adhesive force include in parts by weight: 65-89 parts ofwater-based alkyd resin, 34-65 parts of water-based polyurethane, 2-5 parts of curing agent, 0.2-0.8 part of zinc oxide, 4-12 parts of absolute ethyl alcohol, 2-8 parts of hydroxyl silicone oil, 6-14parts of reinforcing agent, 0.5-1.8 parts of zinc phosphate, 2-4 parts of pigment, 1-2 parts of antibacterial agent, 1-2 parts of mildew preventive, 1-2 parts of defoaming agent, 1-2 parts of wettingagent and 1-3 parts of water-based drier. The reinforcing agent is prepared from an acrylic acid microsphere compound and the like. The acrylic acid microsphere compound is prepared by adopting the following technology: acrylic acid and dicumyl peroxide are mixed evenly, oxidized polyethlene wax is added for stirring, cooling and screening are conducted, water is added, a mixture is stirred evenly, aluminium nitrate, polyethylene glycol 6000 and boric acid are added for continuous stirring, in a stirring state, ammonium hydroxide is added dropwise until a system pH value is 8.2-8.9, and through stirring, hydrothermal reaction, centrifugation, washing, drying, calcination, cooling and crushing, the acrylic acid microsphere compound is obtained.

Description

technical field [0001] The invention relates to the technical field of wood coatings, in particular to an alkyd water-based wood coating with high adhesion. Background technique [0002] The wood coatings currently on the market are mainly solvent-based. Common varieties are alkyd paint, acrylic paint, nitro paint and so on. The volatile organic compound (VOC) content of these coatings all exceeds 50%. working and learning environment. [0003] With the increasingly stringent restrictions on the content of volatile organic compounds in coatings in environmental protection regulations and people's concern for their own health, the development and research of water-based wood coatings has been triggered. Alkyd water-based wood coatings have poor adhesion to wood and are prone to "tear-off". In addition, their flexibility is poor, which needs to be solved urgently. Contents of the invention [0004] Based on the technical problems existing in the background technology, th...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D175/04C09D7/61C09D7/65C09D7/63
CPCC08K2003/2296C08K2003/328C08L2205/035C08L2205/18C09D7/61C09D7/63C09D7/65C09D7/70C09D167/08C09D175/04C08L75/04C08L83/04C08L51/06C08K3/042C08K7/14C08K3/22C08K3/32C08K5/18C08K3/26
Inventor 王厚国李子荣王和山王和东殷东楼殷芳荣曹文强张万霞张萍
Owner ANHUI KAILIN ADVANCED MATERIAL CO LTD
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