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Alkyd resin for floor paint

A technology of alkyd resin and floor paint, applied in the field of coatings, can solve the problems of poor gloss and color retention, poor adhesion, and easy yellowing of the paint film, and achieve the effect of not easy to crack, good construction performance, and not easy to yellow

Inactive Publication Date: 2004-12-29
GUANGDONG BADESE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyurethane paint is a kind of coating with excellent performance, which is widely used in furniture decoration, painting, architectural decoration, equipment anticorrosion, etc. The paint is usually made of polyester or alkyd resin and toluene diisocyanate or The trimer is formulated with additives. Due to the specificity of construction conditions and environmental requirements, the prepared floor paint is often prone to cracking, low gloss, poor adhesion, easy yellowing of the paint film, low hardness, Not wear-resistant, poor gloss and color retention, resulting in the above reasons, the performance of alkyd resin plays a key role, so the preparation of high-performance alkyd resin is the key technology to solve many defects of floor paint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] The raw material formula of this example:

[0020] 1) Lauric acid 12.5g

[0021] 2) Benzoic acid 1g

[0022] 3) Adipic acid 5.5g

[0023] 4) Trimethylolpropane 18.5g

[0024] 5) Neopentyl glycol 7.5g

[0025] 6) Phthalic anhydride 30g

[0026] 7) Pentaerythritol 4.97g

[0027] 8) Color reducing agent M070 0.015g

[0028] 9) Antioxidant PST-2 0.015g

[0029] 10) Xylene 20g

[0030] Put the above-mentioned raw materials (of which xylene is 3.5%) into the reactor at one time, start stirring when heated to 90℃, and pass CO 2 Protect the temperature rise, increase to 160°C at a heating rate of 10°C / hour and keep it for 1 hour. At this time, there will be xylene reflux, continue to heat up to 200°C at 10°C / hour, keep it for 6 hours, and measure the viscosity of the Grignard tube (60% kettle When the internal materials, ethanol and toluene (40%) are 160S / 25℃, quickly cool down to 160℃ to obtain water white alkyd resin, transfer to another kettle, add ...

example 2

[0037] The performance of the alkyd resin in this example is compared with the alkyd resin produced by Jiangsu Sanmu Group Co., Ltd. with the brand number of 3880 and the brand number of 2510 alkyd resin produced by Shunde Xianda Synthetic Resin Co., Ltd. for floor paint. The formula of the resin liquid is shown in Table 1. The anti-settling agent described in Table 1 is castor derivative anti-settling agent ST-3 produced by Inner Mongolia Tongliao Chemical Co., Ltd., and the leveling agent is a commodity produced by Taiwan Deqian Co., Ltd. The brand name is MFT, the defoamer is Henket’s brand name EFKA-20, the dispersant is German Bayer Chemical Co.’s brand name BYK-P104, and the drier is the OZ new paint catalyst produced by Jiangsu Yixing Chemical Plant. Dry agent.

[0038] Item

this invention

Jiangsu Sanmu 3880

Sindh 2510

Resin

Xylene

Butyl acetate

Anti-settling agent

Leveling agent

Defoamer

D

Drier

68.5g

15g

14.6g

0.2g

0...

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Abstract

The alkyd resin with high solid content and low viscosity and used for floor paint is prepared with lauric acid, benzoic acid, adipic acid, trimethylol propane, neopentadiol, phthalic anhydride and other material. The alkyd resin is compounded with tolylene diisocyanate affixture or tripolymer. The coating has high adhesion, high hardness, high wear resistance, high shock resistance, good weather resistance, less volatile and other advantages, and the paint may be sprayed or brushed.

Description

Technical field [0001] The invention belongs to the technical field of coatings, and is a modified alkyd resin with modified ultra-short oil degree hydroxyl terminated. Background technique [0002] Polyurethane paint is a kind of paint with excellent performance, which is widely used in furniture decoration, painting, building decoration, equipment anti-corrosion, etc. The paint is usually made of polyester or alkyd resin and toluene diisocyanate adduct or Trimer, mixed with additives, due to the specific construction conditions and environmental requirements, the prepared floor paint is often easy to crack, low gloss, poor adhesion, paint film easy to yellow, low hardness, No wear resistance, poor gloss and color retention, causing the above reasons, the performance of alkyd resin plays a key role, so the preparation of high-performance alkyd resin is the technical key to solve many defects of floor paint. Summary of the invention [0003] The purpose of the present invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/12C09D167/00
Inventor 方学平
Owner GUANGDONG BADESE CHEM
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