Preparation method of hyperbranched flame retardant and application of hyperbranched flame retardant in artificial board

A technology for flame retardants and wood-based panels, applied in the field of flame retardants, can solve the problems of high toxicity of HX gas, secondary pollution, and large amount of smoke, so as to increase the flame retardant effect, improve the carbonization rate, and reduce the amount of addition. Effect

Active Publication Date: 2018-01-05
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the cost of halogen flame retardants is low, the effect is good, and the application is wide, but the amount of smoke is large, and the toxicity of the HX gas released by combustion is high, and secondary pollution often occurs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0042] (1) Accurately weigh succinic anhydride with an electronic balance, measure a certain amount of N,N-dimethylacetamide (DMAc), put it in a capacity beaker, and dissolve it fully. Add diethanolamine into the three-necked flask, and stir well. Drop fully dissolved succinic anhydride into a three-necked flask, and react at room temperature for 3 hours to obtain AB 2 monomer.

[0043] (2) Add toluene to the above system first, weigh trimethylolpropane, dissolve it fully with a small amount of DMAc, then add it into a three-necked flask, then add p-toluenesulfonic acid, heat to 130°C to condense and reflux, and condense spherically There is reflux in the tube, and the insulation reaction is 7-8h.

[0044](3) Weigh an appropriate amount of succinic anhydride to dissolve it, add it to the above system, then add p-toluenesulfonic acid, heat to 90° C. and keep it warm for 7-8 hours to obtain a carboxyl-terminated hyperbranched polymer.

[0045] (4) Weigh an appropriate amount ...

Embodiment approach 2

[0048] (1) Accurately weigh succinic anhydride with an electronic balance, measure a certain amount of N,N-dimethylacetamide (DMAc), put it in a capacity beaker, and dissolve it fully. Add diethanolamine into the three-necked flask, and stir well. Drop the fully dissolved succinic anhydride into a three-necked flask, and react at room temperature for 3 hours to obtain the AB2 monomer.

[0049] (2) Add toluene to the above system first, weigh trimethylolpropane, dissolve it fully with a small amount of DMAc, then add it into a three-necked flask, then add p-toluenesulfonic acid, heat to 130°C to condense and reflux, and condense spherically There is reflux in the tube, and the insulation reaction is 7-8h.

[0050] (3) Weigh an appropriate amount of succinic anhydride to dissolve it, add it to the above system, then add p-toluenesulfonic acid, heat to 90° C. and keep it warm for 7-8 hours to obtain a carboxyl-terminated hyperbranched polymer.

[0051] (4) Weigh an appropriate ...

Embodiment approach 3

[0054] (1) Accurately weigh succinic anhydride with an electronic balance, measure a certain amount of N,N-dimethylacetamide (DMAc), put it in a capacity beaker, and dissolve it fully. Add diethanolamine into the three-necked flask, and stir well. Drop the fully dissolved succinic anhydride into a three-necked flask, and react at room temperature for 3 hours to obtain the AB2 monomer.

[0055] (2) Add toluene to the above system first, weigh trimethylolpropane, dissolve it fully with a small amount of DMAc, then add it into a three-necked flask, then add p-toluenesulfonic acid, heat to 130°C to condense and reflux, and condense spherically There is reflux in the tube, and the insulation reaction is 7-8h.

[0056] (3) Weigh an appropriate amount of succinic anhydride to dissolve it, add it to the above system, then add p-toluenesulfonic acid, heat to 90° C. and keep it warm for 7-8 hours to obtain a carboxyl-terminated hyperbranched polymer.

[0057] (4) Weigh an appropriate ...

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PUM

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Abstract

A phosphorous type hyperbranched flame retardant is disclosed. According to the invention, hydroxyl in a hydroxyl-terminated hyperbranched polymer is replaced by a phosphorus-containing group. By selecting raw materials for preparation of an AB2 monomer and the type of the phosphorus-containing group, char yield of the flame retardant in the flame retardation process is raised; and compatibility of large molecular weight and high polymer materials will be enhanced, flame retardance efficiency of the flame retardant can be greatly improved, flame-retarding effect is increased, and addition amount is reduced.

Description

technical field [0001] The invention relates to the technical field of flame retardants, in particular to a hyperbranched flame retardant, its preparation method and its application in wood-based panels. Background technique [0002] With the development of the home decoration market and the improvement of people's living standards, floor decoration materials are developing in diversification. With its beautiful, wear-resistant, practical, and easy-to-clean characteristics, wooden flooring has quickly occupied half of the flooring material market. my country's wood-based panel industry has developed relatively rapidly. Since the 21st century, the average annual growth rate of my country's wood-based panel production has exceeded 20%, and it has become the world's largest wood-based panel production, consumption and import and export trade. The wood-based panel industry will gain more important support in the tide of enhancing independent innovation capabilities and expandin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00B27N3/08B27N1/00
Inventor 寿崇琦王艳丽王德卫
Owner UNIV OF JINAN
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