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Air-drying water-reducible alkyd resin containing sulfonate base

A technology containing sulfonate and alkyd resin, used in coatings, polyester coatings, etc., can solve the problems of difficult product quality control, complex preparation process, high requirements for emulsification equipment, and improve storage stability and hydrolysis resistance. , Good storage stability, good water resistance

Active Publication Date: 2012-05-30
SHANGHAI HUAYI FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation process of this patent is relatively complicated, and the requirements for emulsification equipment are also high, and the product quality is difficult to control

Method used

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  • Air-drying water-reducible alkyd resin containing sulfonate base
  • Air-drying water-reducible alkyd resin containing sulfonate base
  • Air-drying water-reducible alkyd resin containing sulfonate base

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Listed in table 1 is the formula of the water-dilutable alkyd resin of the self-drying type containing sulfonate group according to the present invention, and table 2 is the water-dilutable alcohol of the self-drying type containing sulfonate group corresponding to Table 1 Performance index of acid resin.

[0036] The preparation method of the self-drying type water dilutable alkyd resin containing sulfonate group listed in table 1 is:

[0037] Add diols or polyols, some polycarboxylic acids or acid anhydrides, functional monomers containing sulfonate groups, and catalysts into the reaction flask, and start to heat up after passing nitrogen for 10-20 minutes; when the temperature rises to 80-120°C, The material melts and starts to stir; continue to heat up to 160-220°C, and keep it at this temperature for reaction until the acid value is 10-50mgKOH / g, then cool down; when the temperature drops to 140-200°C, add vegetable oil fatty acid, mono Carboxylic acid, the remain...

Embodiment 2

[0043] Table 3 shows examples of self-drying water-based alkyd paints prepared with self-drying water-dilutable alkyd resins containing sulfonate groups as base materials, and Table 4 is the self-drying type containing sulfonic acid corresponding to Table 3. Performance index of self-drying water-based alkyd paint based on salt-based water-reducible alkyd resin.

[0044] In table 3, water-based alkyd resin is the water dilutable alkyd resin of the self-drying type containing sulfonate group listed in Example 1 in table 1; Titanium dioxide is the R595 that DuPont provides; Carbon black is Shandong Aona N-220 provided by Chemical Co., Ltd.; medium chrome yellow, iron oxide red, bright red powder, and phthalocyanine blue are all provided by Shandong Dongying Lifeng Chemical Company; Octa-Soligen 421 is a water-based drier provided by OMG; BYK-190 Dispersant for BYK; BYK-333 leveling agent for BYK; RM-8W thickener for Rohm and Haas; RM-2020 for Rohm and Haas The leveling agent pr...

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Abstract

The invention discloses an air-drying water-reducible alkyd resin containing a sulfonate base and a preparation method of the alkyd resin, and simultaneously discloses an air-drying water-borne alkyd paint which is prepared from the alkyd resin as a base stock. The air-drying water-reducible alkyd resin is obtained by introducing the sulfonate base into an alkyd resin molecular chain; compared with a carboxylate group, a sulfonate group has better water solubility and only needs a small addition to ensure that the resin has high water reducibility, and a water-borne paint prepared from the sulfonate group as a base stock has high storage stability and high water resistance.

Description

technical field [0001] The invention relates to a polymer resin and a preparation method thereof. The resin is a self-drying water-dilutable alkyd resin, which is obtained by introducing a sulfonate group into the alkyd resin molecular chain. A self-drying water-reducible alkyd resin suitable for the preparation of waterborne coatings. Background technique [0002] Alkyd resin is a kind of synthetic resin with the largest output and the widest application among coating resins. It has rich sources of raw materials, many varieties, wide application, good performance and low price, and has unique advantages. [0003] With the enhancement of national awareness of environmental protection, the laws and regulations limiting VOC emissions are becoming more and more stringent, coupled with the increasing shortage of petroleum energy, traditional solvent-based coatings are being challenged more and more, and the trend of water-based coatings is becoming more and more clear. [0004...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G63/49C08G63/78C09D167/08C09D5/00
Inventor 赵其中
Owner SHANGHAI HUAYI FINE CHEM CO LTD
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