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Compound containing unsaturated double bond, oxygen absorbent using same and resin composition

A compound, unsaturated technology, used in alkali metal oxides/hydroxides, alkali metal compounds, organic chemistry, etc., to solve problems such as slow curing and sticky surfaces

Active Publication Date: 2020-12-04
KURARAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When these radically polymerizable resins are used for coating applications, crosslinking is usually carried out in an air atmosphere, so it is easily hindered by oxygen in the air, and there are problems such as slow curing and surface stickiness.

Method used

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  • Compound containing unsaturated double bond, oxygen absorbent using same and resin composition
  • Compound containing unsaturated double bond, oxygen absorbent using same and resin composition
  • Compound containing unsaturated double bond, oxygen absorbent using same and resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0121] Synthesis of 1-(3-methyl-2-butenyloxy)-2,3-hydroxypropane

[0122] [chemical formula 9]

[0123]

[0124] Into a reactor equipped with a stirrer, a thermometer, and a dropping funnel, 50.6 g of a 1M sulfuric acid aqueous solution was added under a nitrogen stream. Keep the internal temperature below 20°C, add 30.1 g (0.212 mol) of 1-(3-methyl-2-butenyloxy)-2,3-propylene oxide dropwise while stirring, and raise the temperature to 40°C. The mixture was stirred at an internal temperature of 40°C for 1 hour. The reaction solution was neutralized with a 10 wt% aqueous sodium hydroxide solution, and extracted with toluene. After the obtained organic layer was washed with saturated brine, the solvent was distilled off under reduced pressure to obtain 1-(3-methyl-2-butenyloxy)-2,3-hydroxyl represented by the above formula (A-1). Propane 8.0 g (0.048 mol; yield 23%). put it 1 The measurement results of H-NMR are shown below.

[0125] 1 H-NMR (400MHz, CDCl 3 , TMS) 8:...

Embodiment 2

[0127] 5.00 g (31.2 mmol) of 1-(3-methyl-2-butenyloxy)-2,3-hydroxypropane and cobalt (II) stearate (manufactured by Wako Pure Chemical Industries, Ltd. ; purity 90%) 23mg (0.034mmol; relative to the vinyl group in 1-(3-methyl-2-butenyloxy)-2,3-hydroxypropane is 0.11mol%), fully stirred to obtain oxygen absorption agent. Table 1 shows the evaluation results.

Embodiment 3

[0129] In Example 2, an oxygen absorber was obtained in the same manner except that cobalt (II) stearate was not added. Table 1 shows the evaluation results.

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Abstract

A composition containing an unsaturated double bond that is represented by general formula (I) or general formula (II); an oxygen absorbent comprising the same; and a resin composition.

Description

technical field [0001] The present invention relates to a specific unsaturated double bond-containing compound, an oxygen absorber using the compound, and a resin composition. Background technique [0002] Radical polymerizable resins such as unsaturated polyester resins used in paints and the like have unsaturated bonds in the polymer main chain, and are crosslinked and cured by vinyl crosslinking agents. When these radically polymerizable resins are used for coatings, crosslinking is usually carried out in an air atmosphere, and thus is easily hindered by oxygen in the air, causing problems such as slow curing and surface stickiness. As a method of preventing these problems, Patent Documents 1 and 2 propose a technique of adding an oxygen absorber to a resin. In addition, Patent Documents 3 and 4 describe allyl glycidyl ether and the like as the above-mentioned oxygen absorbers. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C43/15B01J20/22B01J20/28C08K5/05C08K5/098C08L101/00C07C41/02
CPCC08K5/098C07C43/178B01J20/223B01J2220/44C08K5/06C08K2201/012B01J20/22B01J20/28026C07C43/1785C07C43/15B01J20/28C08K5/05C08L101/00C07C69/54
Inventor 野口大树福本隆司
Owner KURARAY CO LTD