Easily-to-cure waterproof polyurethane wood lacquer and preparation method thereof

A polyurethane and waterproof technology, applied in the field of wood lacquer, can solve the problem of high VOC, achieve high wear resistance and impact resistance, high solid content, high hot spot resistance effect

Inactive Publication Date: 2020-08-25
安徽名士达新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the VOC of polyurethane wood paint is higher

Method used

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  • Easily-to-cure waterproof polyurethane wood lacquer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see figure 1 , an easily curable waterproof polyurethane wood paint, including a main paint and a curing agent, the weight ratio of the main paint: curing agent = 100:7.

[0026] Among them, the main paint consists of the following components by mass percentage: diisocyanate, water-based hydroxyl resin, accelerator, terminator, anti-settling agent, dispersant, defoamer and leveling agent, and the proportion is according to the following mass: diisocyanate The content of water-based hydroxyl resin is 60 parts, the content of water-based hydroxyl resin is 12 parts, the content of accelerator is 2 parts, the content of terminator is 4 parts, the content of active diluent is 6 parts, and the content of anti-settling agent is 4 parts. The content of antifoaming agent is 3 parts, the content of defoaming agent is 2 parts and the content of leveling agent is 7 parts. At least one of base ethers, the accelerator is stannous octoate, and the terminator is at least one of dimeth...

Embodiment 2

[0035] An easy-curable waterproof polyurethane wood paint, including a main paint and a curing agent, the weight ratio of the main paint: curing agent = 100:7.

[0036] Among them, the main paint consists of the following components by mass percentage: diisocyanate, water-based hydroxyl resin, accelerator, terminator, anti-settling agent, dispersant, defoamer and leveling agent, and the proportion is according to the following mass: diisocyanate The content of water-based hydroxyl resin is 65 parts, the content of water-based hydroxyl resin is 13 parts, the content of accelerator is 3 parts, the content of terminator is 5 parts, the content of active diluent is 7 parts, and the content of anti-settling agent is 4-8 parts , The content of the dispersant is 4 parts, the content of the defoamer is 4 parts and the content of the leveling agent is 8 parts.

[0037] The composition of curing agent mass percentage: the content of polyether diol is 70 parts and the content of reactive...

Embodiment 3

[0045] An easy-curable waterproof polyurethane wood paint, including a main paint and a curing agent, the weight ratio of the main paint: curing agent = 100:7.

[0046] Among them, the main paint consists of the following components by mass percentage: diisocyanate, water-based hydroxyl resin, accelerator, terminator, anti-settling agent, dispersant, defoamer and leveling agent, and the proportion is according to the following mass: diisocyanate The content is 70 parts, the content of water-based hydroxyl resin is 15 parts, the content of accelerator is 5 parts, the content of terminator is 6 parts, the content of active diluent is 8 parts, and the content of anti-settling agent is 8 parts. The content of the agent is 2 parts, the content of the defoamer is 6 parts and the content of the leveling agent is 10 parts.

[0047] The composition of curing agent mass percentage: the content of polyether diol is 80 parts and the content of reactive diluent is 10 parts and the content ...

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Abstract

The invention discloses an easy-to-cure waterproof polyurethane wood lacquer and a preparation method thereof, and belongs to the technical field of wood lacquer; the easy-to-cure waterproof polyurethane wood lacquer comprises a main lacquer and a curing agent, and the weight ratio of the main lacquer to the curing agent is 100: 7, wherein the main lacquer is prepared from the following componentsin percentage by mass: diisocyanate, water-based hydroxyl resin, an accelerant, a terminating agent, an anti-settling agent, a dispersing agent, an antifoaming agent and a leveling agent; said components are proportioned according to the following mass ratio; the water-based epoxy takes water as a solvent and a diluent; the effect is that the water-based hydroxyl resin achieves the effects of improving the compactness and preventing water; besides, the gel waterproof layer formed by the curing agent improves the mixed waterproof function, and after the diisocyanate forms a film and the effective components act, the cured complex forms a waterproof crystal, so that the waterproof effect is achieved, high wear resistance and impact resistance are achieved, a coating film cannot be softenedafter being heated, the hot spot resistance is extremely high, and the freshness is continuously excellent.

Description

technical field [0001] The invention relates to the technical field of wood lacquer, in particular to an easily curable waterproof polyurethane wood varnish and a preparation method thereof. Background technique [0002] Wood paint refers to the paint used on equipment made of solid wood boards, wood grain panels, glue boards, chipboards, fiberboards, etc., including paints for furniture, floors, stationery, musical instruments, and building decoration materials. Roughly divided into two categories, one is used in furniture factories, and the other is used in interior decoration. [0003] At present, the main varieties of wood paint (including furniture and interior decoration paint) are nitro lacquer (NC), polyurethane paint (PU), unsaturated polyester paint (PE), amino alkyd paint (AC, referred to as acid curing paint) ), UV-curable coatings (UV) and water-based coatings, etc. [0004] Organic solvents in wood lacquers volatilize into the atmosphere and seriously affect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/20C08G18/48
CPCC08G18/48C09D175/14C09D7/20
Inventor 吴浩
Owner 安徽名士达新材料有限公司
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