A flame-retardant thermoplastic polyurethane composite material

A technology of thermoplastic polyurethane and composite materials, which is applied in the field of flame retardant materials, can solve the problems of low flame retardant efficiency of composite materials, reduced heat release and smoke release, and achieves reduced heat release rate, good flame retardant effect, and reduced Effect of total heat release

Active Publication Date: 2022-03-08
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the microcapsule ammonium polyphosphate has strong compatibility with the polymer matrix, if the microcapsule ammonium polyphosphate is added alone, the flame retardant efficiency of the composite material is not high, and the heat release and smoke release need to be further reduced

Method used

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  • A flame-retardant thermoplastic polyurethane composite material
  • A flame-retardant thermoplastic polyurethane composite material
  • A flame-retardant thermoplastic polyurethane composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A flame retardant thermoplastic polyurethane composite, prepared according to the following steps:

[0031] (1) 1.76 parts of copper with copper, 9 parts of melamine and 100 ml of deionized water were taken in 250 ml of three neck round bottom flasks, and the mechanical agitator was installed, and the mixture was stirred at room temperature for 30 minutes.

[0032] (2) EtOAc EtOAc EtOAc EtOAc EtOAc.

[0033] (3) The mixture was centrifuged once, and the deionized water was washed 3 times, no water ethanol was washed once, and the dried over 60 degrees Celsius was dried for 24 hours to obtain a "melamine-phytic acid-copper ion" super molecular network flame retardant.

[0034] (4) Take 54 parts of thermoplastic polyurethane in double roller mill, which is completely melted at 185 degrees Celsius, add 4 parts of silicon-wrapped polyphosphate, 2 parts "melamine-phytic acid-copper ion" super molecular network flame retardant Melting is mixed.

[0035] (5) Place the sample after...

Embodiment 2

[0037] A flame retardant thermoplastic polyurethane composite, prepared according to the following steps:

[0038] (1) 1.76 parts of copper with copper, 9 parts of melamine and 100 ml of deionized water were taken in 250 ml of three neck round bottom flasks, and the mechanical agitator was installed, and the mixture was stirred at room temperature for 30 minutes.

[0039] (2) EtOAc EtOAc EtOAc EtOAc EtOAc.

[0040] (3) The mixture was centrifuged once, and the deionized water was washed 3 times, no water ethanol was washed once, and the dried over 60 degrees Celsius was dried for 24 hours to obtain a "melamine-phytic acid-copper ion" super molecular network flame retardant.

[0041] (4) Take 54 parts of thermoplastic polyurethane in double roller mill, which makes it completely melted at 185 degrees Celsius, add 4.5 parts of silicon-wrapped polyphosphate, 1.5 parts "melamine-phytic acid-copper ion" super molecular network flame retardant Melting is mixed.

[0042] (5) Place the sa...

Embodiment 3

[0044] A flame retardant thermoplastic polyurethane composite, prepared according to the following steps:

[0045] (1) 1.76 parts of copper with copper, 9 parts of melamine and 100 ml of deionized water were taken in 250 ml of three neck round bottom flasks, and the mechanical agitator was installed, and the mixture was stirred at room temperature for 30 minutes.

[0046] (2) EtOAc EtOAc EtOAc EtOAc EtOAc.

[0047] (3) The mixture was centrifuged once, and the deionized water was washed 3 times, no water ethanol was washed once, and the dried over 60 degrees Celsius was dried for 24 hours to obtain a "melamine-phytic acid-copper ion" super molecular network flame retardant.

[0048] (4) Take 54 parts of thermoplastic polyurethane in double roller mill, which makes it completely melted at 185 degrees Celsius, add 4.8 parts silicon wrap copolyphosphate, 1.2 parts "melamine-phytic acid-copper ion" super molecular network flame retardant Melting is mixed.

[0049] (5) Place the sample a...

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Abstract

The invention belongs to the technical field of flame retardant materials, and in particular relates to the preparation of a supramolecular network flame retardant, which is compounded with other flame retardants in thermoplastic polyurethane. Raw materials in parts by mass: thermoplastic polyurethane elastomer 54.0-60.0 parts, silicon-wrapped ammonium polyphosphate flame retardant 4.0-6.0 parts, "melamine-phytic acid-copper ion" supramolecular network flame retardant 0.0-2.0 parts. The supramolecular network flame retardant prepared by the invention can significantly reduce the flammability of thermoplastic polyurethane, reduce the production and release of toxic smoke during its combustion process, and has great significance for personal safety and environmental protection.

Description

Technical field [0001] The present invention belongs to the field of flame retardant materials, and more particularly to the preparation of a super-molecular network flame retardant and is compounded from other flame retardants in thermoplastic polyurethane. Background technique [0002] Thermoplastic polyurethane is one of the most common engineering thermoplastics with elastic properties. In combination, thermoplastic polyurethane has high modulus, high strength, high elastic, high toughness, corrosion resistance, hydrolysis, heat resistance, wear resistance, good insulation, and so good thermal stability. Because of its good physical and chemical properties, the material is widely used in numerous industrial fields such as mechanical and vehicles, civil buildings and transportation, sports and leisure. However, due to the limitations of their chemical structure, the ultimbmost oxygen index of thermoplastic polyurethane is low, extremely flammable, and the burning is accompanie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08L87/00C08K3/32C08K9/10
CPCC08L75/04C08L2201/02C08K2003/323C08L87/00C08K3/32C08K9/10
Inventor 施永乾陈可欣
Owner FUZHOU UNIV
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