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Water-borne acrylic-modified alkyd resin emulsion and preparation method thereof

A technology of alkyd resin emulsion and water-based acrylic, applied in coatings, anti-corrosion coatings, etc., can solve the problems of promoting ester bond decomposition and unfavorable resin storage stability, achieve good color retention, overcome poor storage stability, and broaden applications field effect

Active Publication Date: 2015-10-21
湖南天氟新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, before the water-based acrylic modified alkyd resin is water-soluble, the resin must be neutralized with an organic amine and the pH value is 8-9 to have good water solubility, and this alkaline environment will promote the decomposition of the ester bond. Conducive to the storage stability of the resin

Method used

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  • Water-borne acrylic-modified alkyd resin emulsion and preparation method thereof
  • Water-borne acrylic-modified alkyd resin emulsion and preparation method thereof
  • Water-borne acrylic-modified alkyd resin emulsion and preparation method thereof

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Embodiment Construction

[0029] The present invention will be further described below in combination with embodiments.

[0030] A water-based acrylic modified alkyd resin emulsion of the present invention comprises the following components according to its weight percentage: 15-25% of polyester modified alkyd resin; 10-20% of ethylene glycol ether solvent; 5-20% of propylene glycol ether solvent %; n-butanol 0-5%; vinyl monomer 5-8%; acrylic acid monomer 15-25%; BPO 2-6%; organic amine 4-7%; The modified alkyd resin comprises the following components according to its weight percentage: 12-20% of rosin; 22-30% of unsaturated fatty acid; 25-35% of polyester; 3-8% of diethylene glycol; 1-5% of pentaerythritol; Anhydride 7-12%; Xylene 3%-10%; Sodium bisulfite 0.5-2.5%; Ethylene glycol ether solvent, propylene glycol ether solvent 10%.

[0031] The coating performance test is as follows:

[0032]

[0033] The water-based acrylic modified alkyd emulsion system improves the air-drying and flexibility of...

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Abstract

The invention provides water-borne acrylic-modified alkyd resin emulsion which comprises the following components in percentage by weight: 15-25% of polyester modified alkyd resin, 10-20% of a glycol ether solvent, 5-20% of a propylene glycol ether solvent, 0-5% of n-butanol, 5-8% of vinyl monomer, 15-25% of acrylic monomer, 2-6% of BPO, 4-7% of organic amine and 21% of deionized water, wherein the polyester modified alkyd resin comprises the following components: 12-20% of rosin, 22-30% of unsaturated fatty acid, 25-35% of polyester, 3-8% of diethylene glycol, 1-5% of pentaerythritol, 7-12% of maleic anhydride, 3-10% of xylene, 0.5-2.5% of sodium hydrogen sulfite and 10% of a glycol ether solvent and a propylene glycol ether solvent. Compared with the prior art, the water-borne acrylic-modified alkyd resin emulsion has the benefits of higher environment friendliness and better water solubility.

Description

【Technical field】 [0001] The invention relates to the technical field of coatings, in particular to a water-based acrylic modified alkyd resin emulsion and a preparation method thereof. 【Background technique】 [0002] Polyester is currently the largest and most widely used synthetic fiber variety in the world, accounting for more than 60% of the world's synthetic fiber output. It is widely used in the production of clothing, bedding, decorative fabrics, special fabrics and other textiles or other industrial fiber products. The rapid development of the polyester industry has brought huge economic value, but polyester is difficult to degrade in the natural environment, and the continuous increase of waste polyester has brought enormous pressure to the natural environment. [0003] Alkyd blending paint and alkyd antirust paint prepared with alkyd resin have appeared in the related art using waste polyester as raw material, using acid hydrolysis to degrade waste polyester to pr...

Claims

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Application Information

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IPC IPC(8): C08F283/01C08F212/08C08F212/12C08F220/06C08F220/18C08F220/14C08G63/49C09D151/08C09D5/08
Inventor 邹天龙董其宝陈子路
Owner 湖南天氟新材料有限公司
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