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Unsaturated group-containing ester compound, polymer, thermosetting resin composition, and cured film

A technology of resin composition and ester compound, applied in the direction of organic chemistry, coating, etc., can solve the problem of slow curing reaction speed, and achieve the effect of speeding up the reaction speed, good curing performance, and excellent low-temperature curability

Active Publication Date: 2020-05-15
KYOEISHA CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, regarding primary and secondary alkyl esters, the curing reaction rate is considered to be slower than that of tertiary alkyl esters

Method used

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  • Unsaturated group-containing ester compound, polymer, thermosetting resin composition, and cured film
  • Unsaturated group-containing ester compound, polymer, thermosetting resin composition, and cured film
  • Unsaturated group-containing ester compound, polymer, thermosetting resin composition, and cured film

Examples

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Embodiment

[0291] Hereinafter, the present invention will be described in further detail based on examples. It should be noted that the present invention is not limited to the following examples. It should be noted that parts in the text indicate weight.

Synthetic example 1

[0293] Mix 54 parts of ethylene glycol monoacetoacetate monomethacrylate, 58 parts of tert-butyl acrylate, 38 parts of potassium carbonate, 2 parts of 18-crown-6-ether, and 112 parts of tetrahydrofuran, and stir at 50°C for 3 hour. After the reaction was completed, cyclohexane and water were added and washed with water. After the organic layer was neutralized with a saturated aqueous ammonia chloride solution, it was washed twice with water, and the obtained organic layer was concentrated under reduced pressure to obtain monomer A.

Synthetic example 2

[0295] Mix 54 parts of ethylene glycol monoacetoacetate monomethacrylate, 32 parts of tert-butyl acrylate, 38 parts of potassium carbonate, 2 parts of 18-crown-6-ether, and 112 parts of tetrahydrofuran, and stir at 50°C for 3 hour. After the reaction was completed, cyclohexane and water were added and washed with water. After the organic layer was neutralized with a saturated aqueous ammonia chloride solution, it was washed twice with water, and the obtained organic layer was concentrated under reduced pressure to obtain monomer B.

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Abstract

The purpose of the present invention is to provide an unsaturated group-containing ester compound which is economical, is of a good curing type, and can be used as the raw material of a curable composition obtained from a transesterification reaction, and to provide a polymer using said compound as the raw material, a thermosetting resin composition, and a curable composition. This unsaturated group-containing ester compound is characterized by having the chemical structure represented by general formula (1). n1: 1-10.(In the expression, R1, R2 and R3 are the same or different, and represent ahydrogen, an alkyl group, a carboxyl group, an alkyl ester group or a structure represented by R4-[COOR5]. R4 is an aliphatic, alicyclic or aromatic alkylene group with 50 or fewer atoms in the mainchain, optionally having in the main chain one or more functional groups selected from an ester group, an ether group, an amide group and urethane, and optionally having a sidechain. R5 is an alkyl group with 50 or fewer carbons. In the compound represented in general formula (1), the R4-[COOR5] group is optionally the lactone structure of general expression (1-1).) Rx is an alkylene group of 2-10carbons optionally having a branch chain.

Description

Technical field [0001] The present invention relates to ester compounds, polymers, thermosetting resin compositions and cured films containing unsaturated groups. Background technique [0002] For applications such as coatings and adhesives, various thermosetting resin compositions are used. In many such thermosetting resin compositions, a resin having two or more hydroxyl groups is used in combination with a curing agent, and the resin is cured by a crosslinking reaction between the curing agent and the hydroxyl group. [0003] As such curing agents, melamine resins, epoxy compounds, and polyisocyanate compounds are commonly used. These curing agents are generally widely used because of their good thermal reactivity and excellent properties of the resulting cured resin. However, melamine resin is thought to generate formaldehyde and cause sick building syndrome, so its use has been restricted in recent years. In addition, it is known that when it is used as a paint, it has a pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F20/10C07C69/54C07C69/67C08F8/14C08K5/053C08L33/04
CPCC08F8/14C08L33/14C08F220/1804C08F220/283C09D133/20C07C69/738C07C69/54C08F20/10C08F220/20C08F212/08C09D133/14C08F20/26C08K5/0025C08L2203/16C07C69/67C08L33/04C08K5/053
Inventor 森胁佑也浅田耕资吞海克竹中直巳
Owner KYOEISHA CHEM CO LTD
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