Organic hypophosphite containing triazine ring structure and method for preparing same

A technology of phosphinate and triazine ring, which is applied in the field of organic phosphinate containing triazine ring structure and its preparation, which can solve the loss of mechanical properties of flame retardants, high cost of flame retardants, etc. problem, to achieve the effect of improving flame retardancy and blending dispersibility

Active Publication Date: 2013-03-20
湖南美莱珀科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the expensive price of flame retardants keeps the cost high, which greatly limits the market promotion
Moreover, OP series flame retardants also face the disadvantages of obvious loss of mechanical properties.

Method used

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  • Organic hypophosphite containing triazine ring structure and method for preparing same
  • Organic hypophosphite containing triazine ring structure and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] First put triglycidyl isocyanurate and aluminum hypophosphite in a molar ratio of 1:1 into a reaction vessel, use ethanol as a solvent, slowly heat to 70°C, heat, stir, and reflux for 10 hours, and after suction filtration, washing and drying, a white solid containing An aluminum salt of an organic phosphinate with a triazine ring structure.

Embodiment 2

[0028] First put triglycidyl isocyanurate and sodium hypophosphite in a molar ratio of 1:2 into a reaction vessel, use ethanol as a solvent, slowly heat to 100°C, heat, stir and reflux for 6 hours, wash and dry with suction to obtain a white solid containing Sodium salt of organic phosphinic acid with triazine ring structure.

Embodiment 3

[0030] First put triglycidyl isocyanurate and potassium hypophosphite in a molar ratio of 1:3.5 into a reaction vessel, use ethanol as a solvent, slowly heat to 150°C, heat, stir and reflux for 4 hours, wash and dry with suction to obtain a white solid containing Potassium salt of organic phosphinate with triazine ring structure.

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PUM

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Abstract

The invention relates to an organic hypophosphite containing a triazine ring structure and a method for preparing the same. The organic hypophosphite containing the triazine ring structure is prepared from the hypophosphite and the triglycidyl isocyanurate which serve as the main raw materials. The method comprises the following steps: subjecting the triglycidyl isocyanurate and the hypophosphite to reaction in a solvent system for a certain time at a certain temperature; filtrating; washing; drying; and grinding to obtain the organic hypophosphite containing the triazine ring structure. The method has the characteristic of readily-available raw materials, simple process and safe production and operation. The organic hypophosphite prepared by adopting the method has good thermal stability and excellent overall performance, can be used as the flame retardant, rare metal ion extractant and scale and corrosion inhibitor and has a good application prospect.

Description

technical field [0001] The invention relates to an organic phosphinate, in particular to an organic phosphinate containing a triazine ring structure and a preparation method thereof. Background technique [0002] Organic phosphinic acid is a kind of high-efficiency and high-selectivity rare metal ion separation and extraction agent, and as a water treatment agent, it has the effect of scale and corrosion inhibition. Recently, the application of organic phosphinate in the field of flame retardancy has attracted widespread attention. . In particular, metal organic phosphinates have high flame retardant efficiency, small addition, halogen-free, non-toxic and environmentally friendly, and less mechanical performance degradation of flame retardant materials, making them more research hotspots. Among them, dialkyl phosphinate is the most representative. [0003] German Clariant company has developed Exolit OP series flame retardants based on organic phosphinates. The application...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/6558C07F9/6521C08K5/5313
Inventor 彭治汉谭逸伦何小春彭治权义有华
Owner 湖南美莱珀科技发展有限公司
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