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A kind of epoxy acrylic resin of two functionalities and its preparation method and application

A technology of epoxy acrylic acid and epoxy acrylate, which is applied in the application, household appliances, polyether adhesive and other directions, can solve the problems of poor light resistance and yellowing resistance, limited application scope, monotonous performance, etc., and achieves light resistance. The effect of good aging and yellowing resistance, fast curing speed and simplified production process

Active Publication Date: 2020-03-27
SUMDA MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both of them have problems such as high viscosity, inconvenient use, and poor light aging resistance and yellowing resistance.
In addition, the performance of traditional bisphenol A epoxy acrylic resin is relatively monotonous compared with polyurethane acrylate resin, which limits its application range.

Method used

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  • A kind of epoxy acrylic resin of two functionalities and its preparation method and application
  • A kind of epoxy acrylic resin of two functionalities and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] In parts by weight, add 45 parts of polyethylene glycol, 15 parts of maleic anhydride, and 0.1 part of organotin catalyst into the reaction vessel, heat to 100°C, stir and react for 5 hours, and measure the acid value until before heating When the total acid value is 1 / 2±3%, cool down to room temperature, put 19 parts of 3,4-epoxycyclohexyl methyl methacrylate, 0.1 part of hydroquinone, and 0.1 part of triphenylphosphine into the reaction vessel , heated to 110°C until the measured acid value is less than 5mgKOH / g, the transparent colorless or light yellow liquid resin that is cooled and discharged is difunctional epoxy acrylic resin A.

[0035] The viscosity, curing speed and weather resistance of the prepared difunctional epoxy acrylic resin are shown in Table 1.

Embodiment 2

[0037] In parts by weight, add 40 parts of polycaprolactone diol, 20 parts of succinic anhydride, and 0.2 parts of an organic bismuth catalyst into the reaction vessel, heat to 90°C, stir and react for 6 hours, and measure the acid value until before heating When the total acid value is 1 / 2±3%, cool down to room temperature, put 20 parts of 3,4-epoxycyclohexyl methacrylate, 0.2 parts of hydroquinone, and 0.2 parts of triphenylphosphine into the reaction vessel, Heating to 120°C until the measured acid value is less than 5mgKOH / g, the transparent colorless or light yellow liquid resin discharged after cooling down is difunctional epoxy acrylic resin B.

[0038] The viscosity, curing speed and weather resistance of the prepared difunctional epoxy acrylic resin are shown in Table 1.

Embodiment 3

[0040] In parts by weight, add 50 parts of hydroxyl-terminated polybutadiene, 10 parts of glutaric anhydride, and 0.1 part of organotin catalyst into the reaction vessel, heat to 110°C, stir for 4 hours, and measure the acid value until before heating When the total acid value is 1 / 2±3%, cool down to room temperature, put 10 parts of 3,4-epoxycyclohexyl methacrylate, 0.1 part of hydroquinone, and 0.1 part of tetrabutylammonium bromide into the reaction vessel , heated to 100°C until the measured acid value is less than 5mgKOH / g, the transparent colorless or light yellow liquid resin discharged after cooling down is difunctional epoxy acrylic resin C.

[0041] The viscosity, curing speed and weather resistance of the prepared difunctional epoxy acrylic resin are shown in Table 1.

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Abstract

The invention discloses difunctional epoxy acrylic resin as well as a preparation method and application thereof. The structural formula schematic diagram is shown in the description, wherein R2 is achain segment after dihydric alcohol reaction, and the molecular weight is 500 to 5000; R1 and R3 are H or CH3. Alicyclic epoxy acrylate is introduced for replacing the traditional bisphenol A type epoxy acrylate; the difunctional epoxy acrylic resin obtained through preparation has the advantages of low viscosity, high curing speed, photoaging resistant performance, good yellowing resistant performance and the like. The difunctional epoxy acrylic resin can be widely applied to the fields of paint, ink or adhesives.

Description

technical field [0001] The invention belongs to the technical field of photocurable materials, and in particular relates to a difunctional epoxy acrylic resin and its preparation method and application. Background technique [0002] Light-curing material is a new material with high efficiency, energy saving, economy, environmental protection and wide adaptability. Especially because the country restricts the use of solvents, light-curing material, as a class of environmentally friendly materials, has received more and more attention. Among them, epoxy acrylate resin is currently the most widely used light-curable oligomer with the largest market demand. It is more and more widely used in coatings, inks, adhesives and other industries, and has replaced traditional solvent-containing materials in many fields. Material. [0003] At present, the most widely used difunctional photocurable epoxy acrylate resins on the market are mainly bisphenol A epoxy acrylates and various modi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G65/28C09D171/02C09J171/02C09D11/102C09D11/101
CPCC08G65/2609C09D11/101C09D11/102C09D171/02C09J171/02
Inventor 赵东理
Owner SUMDA MATERIAL TECH CO LTD
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