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A functional resin capable of improving the anti-corrosion hiding power of cationic water-based coatings and its preparation method

A technology of water-based coatings and functional resins, applied in the preparation of organic compounds, anti-corrosion coatings, electrophoretic coatings, etc., can solve the problems of limited application, anti-corrosion and insufficient hiding power

Active Publication Date: 2019-01-25
HAOLISEN CHEM TECH (JIANGSU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the cationic type is mainly limited in its application due to the lack of anti-corrosion and hiding power.

Method used

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  • A functional resin capable of improving the anti-corrosion hiding power of cationic water-based coatings and its preparation method
  • A functional resin capable of improving the anti-corrosion hiding power of cationic water-based coatings and its preparation method
  • A functional resin capable of improving the anti-corrosion hiding power of cationic water-based coatings and its preparation method

Examples

Experimental program
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Effect test

Embodiment example

[0025] In a four-necked flask equipped with a thermometer, a stirring paddle, and a condenser tube, add a primary polyamide-amine dendrimer (PAMAM) with a quality of 517g, a quality of 200g of methyl isobutyl ketone and a quality of 722g. Genisinol glycidyl ether, heated up to 70-85°C, after 2 hours of heat preservation, added dodecyl glycidyl ether with a mass of 970g, continued to heat up to 110-120°C, after heat preservation for 2 hours, cooled and discharged to obtain Reserve resin in a dry, airtight container. Among them, the molar ratio of primary polyamide-amine dendrimers, guaiacol glycidyl ether and dodecyl glycidyl ether is 1:4:4

[0026] In a four-necked flask equipped with a thermometer, a stirring paddle, and a condenser tube, add 603 g of the above-mentioned standby resin, then add 120 g of glacial acetic acid with a concentration of 20%, heat up to 60 ° C, and keep it warm for 0.5 hours , to obtain functional resin, coded as A.

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Abstract

The invention discloses functional resin capable of improving antiseptic covering power of a cationic water-based paint and a preparation method of the functional resin. The structural formula is as shown in the specification, wherein R represents long-chain alkane of which the molecular chain length is 12-14. The preparation method comprises the following steps: (S1) sequentially adding an inert organic solvent and guaiacol glycidyl ether to a primary polyamide-amine dendrimer (PAMAM), continuously stirring, heating a solution, raising the temperature to 70-85 DEG C and carrying out heat preservation for 2h; adding alkyl glycidyl ether to the obtained solution, raising the temperature to 110-120 DEG C through heating, carrying out heat preservation for 2h and then cooling and discharging; (S2) adding an organic acid to a product of the step (S1) to prepare the functional resin with the structure. The functional resin is added to the cationic water-based paint, so that the antiseptic effect and the covering power can be improved and the performance of the paint is effectively improved.

Description

technical field [0001] The invention relates to the technical field of water-based coatings, in particular to a functional resin that can improve the anti-corrosion and hiding power of cationic water-based coatings. The introduction of this functional component into cationic water-based coatings can improve the anti-corrosion effect and hiding power, and effectively improve the performance of coatings . Background technique [0002] Since the reform and opening up, with the development of domestic science and technology and modern industrialization, the domestic environment has encountered serious side effects of social development, especially since entering the new millennium, domestic environmental problems have become increasingly serious. This serious problem has also attracted more and more attention from the country. In the field of coatings, low VOC emissions and water-based solvent-based coatings have also become an irreversible trend. However, compared with solvent-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G73/02C07C237/12C07C231/12C09D5/08C09D5/44C09D7/63
CPCC07C237/12C08G73/0293C09D5/08C09D5/4492
Inventor 柳昀刘薇薇林海莲郑子童陈豪杰郭辉张春香
Owner HAOLISEN CHEM TECH (JIANGSU) CO LTD