Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Application and preparation method of hexa(4-methoxyphenylethylamino) cyclotriphosphazene flame retardant

A technology of methoxyphenethylamine and methoxyphenethylamine, which is applied in the field of novel nitrogen and phosphorus-based additive flame retardants, and can solve problems such as being difficult to decompose.

Inactive Publication Date: 2019-11-01
WEIFANG MEDICAL UNIV +2
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has not been reported that it is applied to organic synthetic materials, biocompatible materials, and has the characteristics of non-toxic when heated and not easy to decompose.

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
  • Application and preparation method of hexa(4-methoxyphenylethylamino) cyclotriphosphazene flame retardant
  • Application and preparation method of hexa(4-methoxyphenylethylamino) cyclotriphosphazene flame retardant
  • Application and preparation method of hexa(4-methoxyphenylethylamino) cyclotriphosphazene flame retardant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Take a dry 500ml three-necked bottle, replace it with nitrogen three times, add 12.3g of potassium carbonate to it, stir and add 100ml of THF, slowly add 50ml of THF solution containing 27g of p-methoxyphenylethylamine dropwise, and heat up after the dropwise addition To 45°C, add dropwise 10g of hexachlorocyclotriphosphazene in 50ml THF solution at 40-50°C, heat up to 68°C after the dropwise addition, and monitor the end point of the reaction by thin-layer chromatography. Concentrate under low pressure to obtain a viscous yellow solid, which is washed with water, ethanol, and n-hexane in turn, and finally crystallized in n-hexane to obtain 3.04 g of a yellow solid, with a yield of 61.29%.

Embodiment 2

[0029] Take a dry 500ml three-necked bottle, replace it with nitrogen three times, add 12.3g of potassium carbonate to it, stir and add 100ml of THF, slowly add 50ml of THF solution containing 27g of p-methoxyphenylethylamine dropwise, and heat up after the dropwise addition To 45°C, add dropwise 10g of hexachlorocyclotriphosphazene in 50ml THF solution at 40-50°C, heat up to 68°C after the dropwise addition, and monitor the end point of the reaction by thin-layer chromatography. Concentrate under low pressure to obtain a viscous yellow solid, which is washed with water, ethanol, and n-hexane in turn, and finally column chromatography gives 2.31 g of a yellow solid with a yield of 46.57%.

Embodiment 3

[0031] Take a dry 500ml three-necked bottle, replace it with nitrogen three times, add 7.14g of sodium hydroxide to it, stir and add 50ml of MCB, after stirring evenly, slowly add 100ml of 30.45g of p-methoxyphenethylamine MCB solution, warm up to 45°C after the dropwise addition, add dropwise 50ml MCB solution of 10g hexachlorocyclotriphosphazene at 40-50°C, raise the temperature to 100°C after the dropwise addition, monitor the end point of the reaction by thin-layer chromatography, after the end of the reaction , filtered with suction, and the filtrate was concentrated under vacuum to obtain a viscous yellow solid, which was washed with water, ethanol, and n-hexane in turn, and finally crystallized in n-hexane to obtain 1.97 g of a yellow solid, with a yield of 39.72%.

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

PropertyMeasurementUnit
decomposition temperatureaaaaaaaaaa
decomposition temperatureaaaaaaaaaa
decomposition temperatureaaaaaaaaaa
Login to View More

Abstract

The invention discloses a cyclotriphosphazene derivative containing 4-methoxyphenylethylamino, and particularly relates to an application and preparation method of the derivative, belonging to the technical field of flaming retarding. Hexachlorocyclotriphosphazene and 4-methoxyphenylethylamine are subjected to a nucleophilic substitution reaction under alkaline condition and then filtration, concentration, washing and other steps are performed to obtain hexa(4-methoxyphenylethylamino) cyclotriphosphazene. The method has advantages of mild reaction condition, easy control and good repeatability, and the prepared compound has good flame retarding effects, can achieve good flame retarding effects with a low dosage, is not liable to decompose through heating and can be used as a good flame retardant.

Description

technical field [0001] The invention belongs to the technical field of a novel nitrogen-phosphorus additive flame retardant. It relates to a cyclotriphosphazene derivative containing p-methoxyphenylethylamine and its preparation method, and its application to the multifunctional finishing agent for preparing textiles, coatings, polyester materials, special engineering plastics and bionic materials, etc. or additives. Background technique [0002] my country is a big producer and user of organic materials. The fires caused by the burning of organic materials cause serious personal and property losses every year, and most organic materials tend to release a large amount of toxic gases when heated or burned, so they are not suitable for food packaging that has been heated repeatedly. It is not conducive to the escape of personnel at the scene of a fire accident caused by the burning of organic materials. For a long time, both at home and abroad have attached great importance t...

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
Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/6593C08K5/5399C08L69/00
CPCC07F9/65815C08K5/5399C08L2201/02C08L69/00
Inventor 宋伟国李新建阎芳吴豫生薛青霞
Owner WEIFANG MEDICAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com