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Novel resin and preparation method thereof

A resin and a new type of technology, applied in the direction of epoxy resin coatings, coatings, etc., can solve the problems of low adhesion, low alcohol resistance, and poor effect, and achieve obvious adhesion, high alcohol resistance, and adhesion Efforts to improve the effect

Inactive Publication Date: 2014-07-09
JIANGMEN SANMU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Resin is very common in daily life and production. It has excellent performance and is widely used. Acrylic resin is a very mature resin, such as for adhesion on substrates, or floors, etc., but conventional Acrylic resin usually has low adhesion and low alcohol resistance after forming a film on a metal substrate. In order to improve the characteristics of these two aspects, some manufacturers have adjusted and changed the synthesis or components, but the effect is still not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A new type of resin, which is formed by copolymerization of common bisphenol A epoxy resin and acrylic resin prepolymer at a ratio of 55:100 at 220-240g / eq, wherein the acrylic resin prepolymer includes the following Components:

[0031] Methyl methacrylate: 55wt%,

[0032] Butyl methacrylate: 5wt%,

[0033] Ethyl acrylate: 10wt%,

[0034] Butyl acrylate: 5wt%,

[0035] Acrylic acid: 8wt%,

[0036] Benzoyl peroxide: 2wt%.

[0037] Its concrete preparation process is as follows:

[0038] 1, synthetic acrylic resin prepolymer according to the ratio;

[0039] II. Add xylene and the above-mentioned acrylic resin prepolymer at a ratio of 0.9:1 dropwise (2 hours) at reflux temperature to perform free radical polymerization;

[0040] III. After the dropwise addition, keep warm for 2 hours, add xylene accounting for 5wt% of the acrylic resin prepolymer and 0.1wt% TBPB accounting for the acrylic resin prepolymer, and keep warm for 1 hour at reflux temperature;

[0041] I...

Embodiment 2

[0045] A new type of resin, which is formed by copolymerization of common bisphenol A epoxy resin and acrylic resin prepolymer at a ratio of 60:100 at 220-240g / eq, wherein the acrylic resin prepolymer includes the following Components:

[0046] Methyl methacrylate: 60wt%,

[0047] Butyl methacrylate: 7.5wt%,

[0048] Ethyl acrylate: 15wt%,

[0049] Butyl acrylate: 7.5wt%,

[0050] Acrylic acid: 9wt%,

[0051] Benzoyl peroxide: 2.5wt%.

[0052] Its concrete preparation process is as follows:

[0053] 1, synthetic acrylic resin prepolymer according to the ratio;

[0054] II. Add xylene and the above-mentioned acrylic resin prepolymer in a ratio of 1:1 at reflux temperature (2.5 hours) for free radical polymerization;

[0055] III. After the dropwise addition, keep warm for 2 hours, add xylene accounting for 5wt% of the acrylic resin prepolymer and 0.1-0.3wt% TBPB accounting for the acrylic resin prepolymer, and keep warm for 1 hour at reflux temperature;

[0056] IV. Aft...

Embodiment 3

[0060] A new type of resin, which is formed by copolymerization of common bisphenol A epoxy resin and acrylic resin prepolymer at a ratio of 65:100 at 220-240g / eq, wherein the acrylic resin prepolymer includes the following Components:

[0061] Methyl methacrylate: 65wt%,

[0062] Butyl methacrylate: 10wt%,

[0063] Ethyl acrylate: 20wt%,

[0064] Butyl acrylate: 10wt%,

[0065]Acrylic acid: 10wt%,

[0066] Benzoyl peroxide: 3wt%.

[0067] Its concrete preparation process is as follows:

[0068] 1, synthetic acrylic resin prepolymer according to the ratio;

[0069] II. Add xylene and the above-mentioned acrylic resin prepolymer at a ratio of 1.1:1 dropwise (3 hours) at reflux temperature to perform free radical polymerization;

[0070] III. After the dropwise addition, keep warm for 2 hours, add xylene accounting for 5wt% of the acrylic resin prepolymer and 0.3wt% TBPB for the acrylic resin prepolymer, and keep warm for 1 hour at reflux temperature;

[0071] IV. After ...

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PUM

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Abstract

The invention proposes novel resin, which is prepared from epoxy resin and an acrylic resin prepolymer through copolymerization according to the ratio of (55-65):100, wherein the acrylic resin prepolymer comprises the following components: 55-65wt% of methyl methacrylate, 5-10wt% of butyl methacrylate, 10-20wt% of ethyl acrylate, 5-10wt% of butyl acrylate, 8-10wt% of acrylic acid and 2-3wt% of benzoyl peroxide. The adhesive force of the novel resin on a substrate after a paint film is formed is improved, and can be up to over two grades, and the alcohol resistance is higher. The invention also proposes a preparation method of the novel resin. The method is simple and feasible, and applicable to popularization.

Description

technical field [0001] The invention relates to the field of synthetic resins, in particular to a novel resin, and also relates to a preparation method of the novel resin. Background technique [0002] Resin is very common in daily life and production. It has excellent performance and is widely used. Acrylic resin is a very mature resin, such as for adhesion on substrates, or floors, etc., but conventional Acrylic resin usually has low adhesion and low alcohol resistance after forming a film on a metal substrate. In order to improve these two characteristics, some manufacturers have adjusted and changed the synthesis or components, but the effect is still not good. Contents of the invention [0003] One of the purposes of the present invention is to propose a new type of resin, which is mainly used to improve the adhesion and alcohol resistance of acrylic resin on the substrate under the premise of maintaining low cost. [0004] Another object of the present invention is ...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F220/06C09D133/12C09D163/00
Inventor 刘霞
Owner JIANGMEN SANMU CHEM
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