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Preparation method of triglycidyl isocyanurate

A technology of triglycidyl ester and cyanuric acid, applied in the direction of organic chemistry, can solve the problem of incomplete epoxidation of double bonds, and achieve the effect of less equipment corrosion, light color and high quality

Inactive Publication Date: 2012-07-25
HUNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the process uses sodium hydroxide to control the pH value, and there are still some double bonds in the product that are not fully epoxidized (US3793321)

Method used

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  • Preparation method of triglycidyl isocyanurate
  • Preparation method of triglycidyl isocyanurate
  • Preparation method of triglycidyl isocyanurate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Preparation of triglycidyl cyanurate

[0030]

[0031] Methanol (50ml), ammonium bicarbonate (0.07mol), triallyl isocyanurate (0.03mol), acrylonitrile (0.09mol) were stirred for 15 minutes, and 30% hydrogen peroxide (0.1mol) was added at 25 Stir and react at ~60°C for 2 hours, add 5 g of 30% hydrogen peroxide, continue the reaction for 6 to 8 hours, and complete the reaction. The reaction solution was post-treated to obtain triglycidyl cyanurate with a yield of 80.1% and a melting point of 103-115°C; 1 H NMR (400MHz, CDCl 3 )δ: 2.70~2.86(m, 6H, 3×CH 2 ), 3.27~3.28(m, 3H, 3×CH), 4.07~4.16(m, 6H, 3×CH 2 ).

Embodiment 2

[0033] Preparation of triglycidyl cyanurate

[0034] Ethanol (50ml), potassium bicarbonate (0.05mol), triallyl isocyanurate (0.03mol), and acetonitrile (0.09mol) were stirred for 15 minutes, and 30% hydrogen peroxide (0.1mol) was added at 25 to Stir and react at 60°C for 2 hours, add 5 g of 30% hydrogen peroxide, continue the reaction for 6-10 hours, and the reaction is complete. The reaction solution was post-treated to obtain triglycidyl cyanurate with a yield of 82.1% and a melting point of 103-115°C; 1 H NMR (400MHz, CDCl 3 )δ: 2.71~2.85(m, 6H, 3×CH 2 ), 3.27~3.28(m, 3H, 3×CH), 4.08~4.16(m, 6H, 3×CH 2 ).

Embodiment 3

[0036] Preparation of triglycidyl cyanurate

[0037] Ethanol (50ml), sodium bicarbonate (0.05mol), triallyl isocyanurate (0.03mol), and acetonitrile (0.09mol) were stirred for 15 minutes, and 30% hydrogen peroxide (0.1mol) was added at 25 to Stir and react at 60°C for 2 hours, add 5 g of 30% hydrogen peroxide, and continue the reaction for 9 to 10 hours until the reaction is complete. The reaction solution was post-treated to obtain triglycidyl cyanurate with a yield of 81.2% and a melting point of 103-115°C; 1 H NMR (400MHz, CDCl 3 )δ: 2.71~2.85(m, 6H, 3×CH 2 ), 3.27~3.28(m, 3H, 3×CH), 4.08~4.16(m, 6H, 3×CH 2 ).

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Abstract

The invention relates to a preparation method of triglycidyl isocyanurate (I). The preparation method of triglycidyl isocyanurate is characterized by comprising the following steps: stirring triallyl isocyanurate in the presence of alcohol, acid carbonate and nitrile; adding 30% of hydrogen peroxide and stirring the mixture at 25-60 DEG C to keep the reaction for 6-10 hours, and then completing the reaction; performing aftertreatment on the reaction liquid to obtain the triglycidyl isocyanurate. The yield is more than 80.0%.

Description

technical field [0001] The invention relates to a green preparation method of a common powder coating curing agent, in particular to a green preparation method of triglycidyl isocyanurate, belonging to the technical field of chemical production. Background technique [0002] Triglycidyl cyanurate, referred to as TGIC: [0003] [0004] Triglycidyl cyanurate is a curing agent for carboxyl-functional resin powder coatings. High-purity TGIC also has excellent high-temperature electrical properties and can be used to manufacture electrical insulation materials and printed circuits; it can also be used as a stabilizer for laminates and plastics. Due to its good weather resistance, high thermal stability and superior mechanical properties, it has a wide range of uses. Although some substitutes for the TGIC system have appeared on the market in recent years, such as the HAA system (CN100572472C), but the substitutes are still difficult to compare with the TGIC system in terms o...

Claims

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Application Information

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IPC IPC(8): C07D405/14
Inventor 叶姣袁志鹰胡艾希邱鹏云熊然
Owner HUNAN UNIV
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