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Preparation methods of amino triazine derivative macromolecular char forming agent and polypropylene flame retardant

A technology of aminotriazine and derivatives, which is applied in the field of preparation of charcoal agents and flame retardants, can solve the problems of poor compatibility, strong water absorption, easy discoloration, etc., and achieve the effect of solving precipitation and improving compatibility

Inactive Publication Date: 2016-09-28
GUANGZHOU UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Although the methods disclosed in the above-mentioned patents and papers have achieved certain effects, the synthesis time of the triazine char-forming agent is longer and the reaction process is discontinuous; the solvent described in the invention is a mixture of acetone and water, and under alkaline conditions, Acetone undergoes hydroxyketone condensation to generate 2-hydroxy-2-methyl-pentan-4-one, and the triazine char-forming agent is easy to color; the mixture of acetone and water is easy to change color; the reaction raw material contains ethanolamine, which has strong water absorption and is compatible with PP has poor compatibility and is easy to precipitate

Method used

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  • Preparation methods of amino triazine derivative macromolecular char forming agent and polypropylene flame retardant
  • Preparation methods of amino triazine derivative macromolecular char forming agent and polypropylene flame retardant
  • Preparation methods of amino triazine derivative macromolecular char forming agent and polypropylene flame retardant

Examples

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Effect test

example 1

[0045] Add 46g of cyanuric chloride and 200ml of dioxane solution in a 500ml reaction flask equipped with a reflux condenser, constant pressure dropping funnel, stirrer and thermometer, fully stir to make the cyanuric chloride disperse evenly, then in Under the condition of -5°C-5°C, 15g ethanolamine, 20g diethylamine and NaOH solution (10gNaOH dissolved in 25ml distilled water) were evenly added dropwise while stirring, and reacted for 1-3h; Add 8g of ethylenediamine and NaOH solution (10gNaOH dissolved in 25mL of distilled water) dropwise evenly in the solution, raise the reaction temperature to 40°C-65°C after the dropwise addition, and stir the reaction for 4-6h under this condition, at 40°C-65°C Under the condition of ℃, continue to drop 8g ethylenediamine and NaOH solution (10gNaOH dissolved in 25ml distilled water) evenly to the reaction flask, then increase the reaction temperature, first distill and recover dioxane, then add 40ml distilled water, and in the reflux stat...

example 2

[0047] Add 46g of cyanuric chloride to a 500ml reaction flask equipped with a reflux condenser, a constant pressure dropping funnel, a stirrer and a thermometer, then add 100ml of tetrahydrofuran, stir fully to make the cyanuric chloride disperse evenly, and then Under the condition of ℃-5℃, add 23g of aniline and NaOH solution (10gNaOH dissolved in 25ml of distilled water) dropwise evenly while stirring. Increase the temperature to room temperature, and then evenly add 30g of hexamethylenediamine and NaOH solution (10gNaOH dissolved in 25mL of distilled water) dropwise to the reaction flask. After the dropwise addition, raise the reaction temperature to 40°C-65°C, and stir the reaction under this condition 4-6h, then under the condition of 40°C-65°C, continue to add 30g of hexamethylenediamine and NaOH solution (10gNaOH dissolved in 25mL of distilled water) evenly dropwise into the reaction flask, then raise the reaction temperature, first distill and recover tetrahydrofuran, ...

example 3

[0049]Add 93g of cyanuric chloride and 200mL of dioxane in a 500ml reaction flask equipped with a reflux condenser, a constant pressure dropping funnel, a stirrer and a thermometer, stir fully to make the cyanuric chloride disperse evenly, and then in- Under the condition of 5℃-5℃, add 30g ethanolamine, alkylamine (diethylenetriamine) and NaOH solution (200g NaOH dissolved in 300mL distilled water) dropwise evenly while stirring. React at ℃ for 2-3 hours, then raise the temperature to room temperature, then evenly add 30g of 1,3-piperazine and NaOH solution (20g NaOH dissolved in 30mL of distilled water) dropwise to the reaction flask, and then the temperature rises When the reaction temperature reaches 40-65°C, stir the reaction for 5-6h under this condition, and then continue to add 30g of 1,3-piperazine and NaOH solution (10gNaOH dissolved in 20mL distilled water), then increase the reaction temperature, distill and recover dioxane first, then add 50mL distilled water, reac...

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Abstract

The invention relates to preparation methods for an amino triazine derivative macromolecular char forming agent and a polypropylene flame retardant. Cyanuric chloride and a solvent are added into a reaction kettle, and alkylamine-containing mixed amine and an acid-binding agent are added dropwise to generate a unitary substituendum; diamine and the acid-binding agent are added dropwise at room temperature to generate a binary substituendum; the amino triazine derivative macromolecular char forming agent is obtained by subsequent treatment, the flame retardant is prepared from the char forming agent, and the flame retardant is high in compatibility in a PP (propene polymer). The preparation methods have the advantages that hydramine is replaced or partially replaced with alkylamine, so that the compatibility of the triazine char forming agent and the PP is improved, and the problem of difficult separation of the triazine char forming agent is solved; with adoption of the non-acetone solvent, the problem of discoloration of the triazine carbonizing agent is solved; the amino triazine derivative macromolecular char forming agent and the polypropylene flame retardant are widely applied to the flame-retardant fields of automobiles, household appliances, building materials and the like.

Description

technical field [0001] The invention relates to a preparation method of a char-forming agent and a flame retardant, in particular to an aminotriazine derivative char-forming agent and a preparation method of a flame retardant prepared using the same as a raw material. Background technique [0002] Intumescent flame retardant is one of the types of flame retardants widely used in recent years. This flame retardant overcomes the fact that halogenated flame retardants are easy to emit irritating and corrosive gases and smoke when burning, pollute the environment, and endanger human health. , while corroding equipment and other shortcomings, it is a very promising green and environmentally friendly flame retardant. [0003] Intumescent flame retardant consists of acid source, carbon source and gas source: [0004] (1) Acid source: a compound that can release inorganic acid under heating conditions to promote the dehydration and carbonization of polyhydroxy compounds; [0005] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G73/06C08L23/12C08L23/14C08L79/04C08K13/04C08K7/26C08K3/32C08K3/34
CPCC08G73/065C08G73/0644C08K3/32C08K3/34C08K7/26C08K13/04C08K2003/323C08K2201/011C08K2201/014C08L23/12C08L23/14C08L79/04C08L2201/02
Inventor 邓海铭黄思雯肖媛芳
Owner GUANGZHOU UNIVERSITY
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