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Novel low-cost polyester acrylate

A polyester acrylate, low-cost technology, applied in the direction of carboxylic acid ester preparation, organic compound preparation, chemical instruments and methods, etc., can solve the problems of poor synthesis effect, etc., to reduce the cost of furniture manufacturing enterprises, low odor, good sanding effect

Inactive Publication Date: 2019-07-02
HUIZHOU CHANGRUNFA PAINT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Analyzing the reason for its gelation, it may be that the generated glycerol acrylate cannot be dissolved in the entire reaction system, and finally gelled, resulting in poor synthesis effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A novel low-cost polyester acrylate comprises the following components in parts by weight:

[0050] Glycerin: 6 parts;

[0051] Acrylic acid: 24 parts;

[0052] Toluene: 45 parts;

[0053] Tripropylene glycol: 25 parts;

[0054] Copper chloride: 0.02 parts;

[0055] p-Hydroxyanisole: 0.05 parts;

[0056] Methanesulfonic acid: 1.5 parts;

[0057] Hypophosphorous acid: 0.05 part.

[0058] In the present invention, glycerol is mixed with some other small molecules such as tripropylene glycol in a certain proportion and acrylic acid is co-esterified to obtain a new type of polyester acrylate, which provides a compatible reaction system for glycerol acrylate, and then can be smoothly Synthesis of glyceryl acrylate. The viscosity of the polyester acrylate is 10000±3000 mPa.s (25°C). The novel low-cost polyester acrylate provided by the invention has certain hardness, good yellowing resistance, fast curing speed, good dryness, good flexibility and good sandability, and...

Embodiment 2

[0060] A novel low-cost polyester acrylate comprises the following components in parts by weight:

[0061] Glycerin: 5 parts;

[0062] Acrylic acid: 20 parts;

[0063] Toluene: 40 parts;

[0064] Tripropylene glycol: 25 parts;

[0065] Copper chloride: 0.01 part;

[0066] p-Hydroxyanisole: 0.05 parts;

[0067] Methanesulfonic acid: 1.5 parts;

[0068] Hypophosphorous acid: 0.05 part.

[0069] In the present invention, glycerol is mixed with some other small molecules such as tripropylene glycol in a certain proportion and acrylic acid is co-esterified to obtain a new type of polyester acrylate, which provides a compatible reaction system for glycerol acrylate, and then can be smoothly Synthesis of glyceryl acrylate. The viscosity of the polyester acrylate is 11000±3000 mPa.s (25°C). The novel low-cost polyester acrylate provided by the invention has certain hardness, good yellowing resistance, fast curing speed, good dryness, good flexibility and good sandability, and ...

Embodiment 3

[0071] A novel low-cost polyester acrylate comprises the following components in parts by weight:

[0072] Glycerin: 10 parts;

[0073] Acrylic acid: 25 parts;

[0074] Toluene: 50 parts;

[0075] Tripropylene glycol: 30 parts;

[0076] Copper chloride: 0.03 part;

[0077] p-Hydroxyanisole: 0.1 parts;

[0078] Methanesulfonic acid: 2.5 parts;

[0079] Hypophosphorous acid: 0.1 part.

[0080]In the present invention, glycerol is mixed with some other small molecules such as tripropylene glycol in a certain proportion and acrylic acid is co-esterified to obtain a new type of polyester acrylate, which provides a compatible reaction system for glycerol acrylate, and then can be smoothly Synthesis of glyceryl acrylate. The viscosity of the polyester acrylate is 10000±5000 mPa.s (25°C). The novel low-cost polyester acrylate provided by the invention has certain hardness, good yellowing resistance, fast curing speed, good dryness, good flexibility and good sandability, and ex...

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Abstract

The invention provides novel low-cost polyester acrylate. On one hand, the novel polyester acrylate is obtained by mixing glycerol with other small molecules such as tripropylene glycol according to acertain ratio and then carrying out a co-esterification reaction with acrylic acid; and on the other hand, through the change of a solvent system, a certain amount of butyl acetate is added into thereaction system to partially replace toluene or cyclohexane as a solvent, so that the glyceride acrylate with good performance can be obtained. The polyester acrylate has certain hardness, and is goodin yellowing resistance, high in curing speed, good in dryness, good in flexibility, good in polishing performance, and excellent in overall coating performance.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a novel low-cost polyester acrylate. Background technique [0002] As the market competition becomes more and more fierce, the requirements of customers are becoming more and more diverse and strict, and many customers require that the price should be as low as possible without changing the performance (or not changing much or having little impact). Generally, the largest amount of paint is the primer, and the same is true for UV paint. The amount of primer is large, and the amount of topcoat is small. The requirements for the topcoat are high, and the requirements for the primer are low. [0003] In the prior art, glycerol acrylate is difficult or even impossible to synthesize. The main reason is that the glycerol acrylate produced by glycerol alone and acrylated reaction will eventually gel. Analyzing the reason for its gelation, it may be that the generated glycery...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C67/08C07C69/54C09D4/02
CPCC07C67/08C07C69/54C09D4/00
Inventor 戴开良练世斌戴超
Owner HUIZHOU CHANGRUNFA PAINT
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