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Hydroxyl acrylic resin and preparation method thereof

A technology of hydroxyacrylic acid and resin, which is applied in the field of resin for coatings, can solve the problems of complicated process and time-consuming, and achieve the effect of reducing processing cost, saving processing procedures, and not easy to peel off the paint

Active Publication Date: 2012-11-07
广东迪爱生彤德树脂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods are time-consuming and complicated

Method used

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  • Hydroxyl acrylic resin and preparation method thereof
  • Hydroxyl acrylic resin and preparation method thereof
  • Hydroxyl acrylic resin and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] The hydroxyl acrylic resin in the present embodiment is made of the following components by weight:

[0029]

[0030] The hydroxyl acrylic resin of the present embodiment, its preparation method is as follows:

[0031] 1) Put material A into the reaction kettle and stir evenly;

[0032] 2) Add material B dropwise, the reaction temperature in the reactor is controlled at 108°C, and the time for adding material B dropwise is controlled at 3 hours;

[0033] 3) After the dropwise addition is completed, keep the temperature at 100° C. for 1 hour;

[0034] 4) Add material C, raise the temperature to 125°C and keep it warm for 5 hours;

[0035] 5) Add material D and maintain the reaction for 2 hours;

[0036] 6) Cool down to below 75°C, filter, and obtain;

[0037] Material A is mixed by 25 parts by weight of toluene, 8 parts by weight of butyl acetate, 11 parts by weight of functional polyester resin, and 0.2 parts by weight of a functional mixed addition catalyst; mat...

Embodiment 2

[0041] The hydroxyl acrylic resin in the present embodiment is made of the following components by weight:

[0042]

[0043]

[0044] The hydroxyl acrylic resin of the present embodiment, its preparation method is as follows:

[0045] 1) Put material A into the reaction kettle and stir evenly;

[0046] 2) Add material B dropwise, the reaction temperature in the reactor is controlled at 112°C, and the time for adding material B dropwise is controlled at 4.0 hours;

[0047] 3) After the dropwise addition is completed, keep the temperature at 120° C. for 1 hour;

[0048] 4) Add material C, raise the temperature to 125°C and keep it warm for 4.5 hours;

[0049] 5) Add material D and maintain the reaction for 2.5 hours;

[0050] 6) Cool down to below 75°C, filter, and obtain;

[0051] Material A is mixed by 28 parts by weight of toluene, 8 parts by weight of butyl acetate, 9 parts by weight of functional polyester resin, and 0.5 parts by weight of a functional mixed addit...

Embodiment 3

[0055] The hydroxyl acrylic resin in the present embodiment is made of the following components by weight:

[0056]

[0057] The hydroxyl acrylic resin of the present embodiment, its preparation method is as follows:

[0058] 1) Put material A into the reaction kettle and stir evenly;

[0059] 2) Add material B dropwise, the reaction temperature in the reactor is controlled at 115°C, and the time for adding material B dropwise is controlled at 3.5 hours;

[0060] 3) After the dropwise addition is completed, insulate at 115° C. for 1.5 hours;

[0061] 4) Add material C, raise the temperature to 115°C and keep it warm for 5 hours;

[0062] 5) Add material D and maintain the reaction for 2 hours;

[0063] 6) Cool down to below 75°C, filter, and obtain;

[0064] Material A is mixed by 22 parts by weight of toluene, 6 parts by weight of butyl acetate, 10 parts by weight of functional polyester resin, and 0.6 parts by weight of a functional mixed addition catalyst; material B...

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Abstract

The invention discloses hydroxyl acrylic resin which comprises, by weight, 25-35 parts of toluene, 5-10 parts of butyl acetate, 20-30 parts of methyl methacrylate, 5-10 parts of butyl acrylate, 3-8 parts of butyl methacrylate, 3-8 parts of hydroxypropyl methacrylate, 8-15 parts of functionality polyester resin, 1-2 parts of functionality mixed addition catalyst and 5-10 parts of P-120 carbon 9 petroleum resin. The functionality polyester resin comprises, by weight, 5-10 parts of glycol, 30-40 parts of neopentyl glycol, 50-55 parts of adipic acid and 5-10 parts of fumaric acid and is obtained through esterification synthesis by using a high temperature melting method and diluted by using toluene. The functionality mixed addition catalyst is mixture of 8-12 parts of peroxide 2-ethylhexoic acid tert-butyl ester, 20-30 parts of azobisisobutyronitrile, 50-60 pats of peroxide teriary butyl and 10-15 parts of tert butyl perbenzoa. The hydroxyl acrylic resin has good adhesion when directly coated on nylon materials.

Description

technical field [0001] The invention relates to a resin for coating, in particular to a hydroxyl acrylic resin suitable for coating engineering plastics such as nylon or nylon plus glass fiber and a preparation method thereof. Background technique [0002] In recent years, the plastics industry has developed rapidly, and nylon products are increasing day by day. How to make the appearance and surface properties of these products reach a higher level, the industry usually uses the surface finishing technology of plastic products to meet these higher requirements. It is precisely because of the wide application of modified nylon that the surface adhesion properties of nylon materials are also different. Especially the nylon modified with glass fiber often needs surface treatment, but due to the low polarity of the surface of glass fiber nylon and the crystal structure, it is difficult to attach paint and coatings, and it is insoluble in any solvent, making the coating film Di...

Claims

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Application Information

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IPC IPC(8): C08G81/00C08F283/01C08F220/14C08F220/18C08F220/28C09D187/00
Inventor 李伟乐杨高林曾伟根区绍昆
Owner 广东迪爱生彤德树脂有限公司
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