Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for synthesizing highly pure cross-linking agent triallyl isocyanurate

A technology of triallyl isocyanurate and a synthesis method, applied in the direction of organic chemistry and the like, can solve the problems of large amount of waste residue, low product purity, and high unit consumption of allyl chloride, achieve high yield and reduce solid salts The generation of waste, the effect of increasing economic and social benefits

Active Publication Date: 2018-12-04
ANHUI RES INST OF CHEM IND
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention aims to provide a green and environment-friendly synthetic method aiming at defects such as high unit consumption of allyl chloride, large amount of waste water and waste residue generated, low product purity and high energy consumption in the existing synthesis method of TAIC, and the technical problem to be solved is through High-purity TAIC with content ≥99.0% can be obtained after synthesis, separation and desolventization

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for synthesizing highly pure cross-linking agent triallyl isocyanurate
  • Method for synthesizing highly pure cross-linking agent triallyl isocyanurate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Non-limiting examples are described as follows:

[0028] 1. Open the clear water circulating pump of the secondary graphite parallel-flow falling film absorption tower, and add 350kg to the 1000L glass-lined reaction kettle equipped with a thermometer, a propulsion stirrer (120 revolutions per minute) and a reflux condenser, 2-dichloroethane, 123kg cyanuric acid, 2kg tetrabutylammonium bromide, 1.1kg triethylamine, 1.1kg cuprous chloride, heated to 70°C under stirring, slowly added 343kg bromopropylene dropwise, about 2 hours about. After the dropwise addition, continue the heat preservation reaction at 70°C for 5 hours, and the hydrogen bromide gas produced by the reaction is absorbed into hydrobromic acid by the clear water of the second-stage graphite parallel-flow falling film absorption tower. Residual hydrogen bromide gas in the reaction system, then add 200kg of water, stir to dissolve the water-soluble impurities in the reaction system, after standing and strat...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for synthesizing highly pure cross-linking agent triallyl isocyanurate. The highly pure triallyl isocyanurate is synthesized from bromopropene, cyanuric acid, a phasetransfer catalyst and a composite catalyst in a polar organic solvent, produced tail gas hydrogen bromide is fully absorbed by circulating water of asecondary graphite parallel flow falling film absorption tower, and is used into prepare certain-concentration hydrobromic acid for sale; the above synthesis reaction is carried out in the organic medium instead of a strong alkaline aqueous solution,so generation of a large amount of wastewater containing organic matters and salts is avoided, and treatment and processing of high-concentration wastewater and waste residues are avoided; and the finally obtained reaction solution is desolvated to obtain the highly pure TAIC with a content of 99.0% or above.

Description

1. Technical field [0001] The invention relates to a preparation method of fine chemicals, in particular to a synthesis method of high-purity crosslinking agent triallyl isocyanurate. 2. Background technology [0002] The crosslinking agent TAIC is the abbreviation of the English name Triallyl isocyanurate, the Chinese name is triallyl isocyanurate or triallyl isocyanurate, and the scientific name is 1,3,5-triallyl- S-triazine-2,4,6-trione, the structural formula is as follows: [0003] [0004] The cross-linking agent TAIC is a light yellow or colorless liquid (crystal) at room temperature, and its molecular formula is C 12 h 15 N 3 o 3 , with a molecular weight of 249.27, is a polyolefin compound containing aromatic heterocycles. It is divided into two specifications: industrial grade and high-purity grade. Industrial grade TAIC is a light yellow liquid (crystal) with a content of ≥95.0% and a melting point of 17-21°C. , high-purity TAIC colorless liquid (crystal) ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C07D251/34
CPCC07D251/34
Inventor 丁向东
Owner ANHUI RES INST OF CHEM IND