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A roller outer-ring fireproof flame-retardant polyurethane material and a preparing method thereof

A polyurethane material, fire-resistant and flame-retardant technology, applied in the field of polyurethane materials, can solve the problems of limitation, aging resistance, high temperature resistance, surface free energy and poor stain resistance, so as to improve the safety and stability of use Strength, and the effect of improving fire resistance and flame retardancy

Inactive Publication Date: 2017-03-22
宁波锐克轮业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its aging resistance, high temperature resistance, surface free energy and stain resistance are not good, which limits further applications. In order to improve these defects of polyurethane materials and endow polyurethane materials with some special properties, people have carried out research on the modification of polyurethane. , while the present invention mainly uses polyurethane for the outer ring of the roller, which requires it to have higher compressive strength, aging resistance and other properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A fire-resistant and flame-retardant polyurethane material for the outer ring of a roller, which is composed of the following raw materials in parts by weight:

[0018] Ammonium persulfate 0.04, carbon nanotubes 10, zinc hydroxystannate 1, maleic anhydride 6, saturated octadecylamide 0.6, acetyl tributyl citrate 3, hexamethylphosphoric triamide 0.6, allyl polyethylene Diol 4, barium stearate 2, ammonium polyphosphate 1.7, hydroxyethyl cellulose 2, stannous sulfide 0.3, 8-hydroxyquinoline 0.7, dodecafluoroheptylpropyl trimethoxysilane 0.8, thermoplastic polyurethane elastic Body 100, decabromodiphenyl ether 0.5.

Embodiment 2

[0020] A fire-resistant and flame-retardant polyurethane material for the outer ring of a roller, which is composed of the following raw materials in parts by weight:

[0021] Ammonium persulfate 0.07, carbon nanotubes 12, zinc hydroxystannate 1.5, maleic anhydride 7, saturated octadecylamide 1.3, acetyl tributyl citrate 3.5, hexamethylphosphoric triamide 0.7, allyl polyethylene Glycol 7, barium stearate 2.5, ammonium polyphosphate 1.8, hydroxyethyl cellulose 2.5, stannous sulfide 0.7, 8-hydroxyquinoline 0.9, dodecafluoroheptylpropyltrimethoxysilane 0.9, thermoplastic polyurethane elastic Body 105, decabromodiphenyl ether 0.7.

Embodiment 3

[0023] A fire-resistant and flame-retardant polyurethane material for the outer ring of a roller, which is composed of the following raw materials in parts by weight:

[0024] Ammonium persulfate 0.1, carbon nanotubes 13, zinc hydroxystannate 2, maleic anhydride 8, saturated octadecylamide 2, acetyl tributyl citrate 4, hexamethylphosphoric triamide 1, allyl polyethylene Glycol 6, barium stearate 3, ammonium polyphosphate 2, hydroxyethyl cellulose 3, stannous sulfide 1, 8-hydroxyquinoline 1, dodecafluoroheptylpropyltrimethoxysilane 1, thermoplastic polyurethane elastic Body 110, decabromodiphenyl ether 1.

[0025] A preparation method of the fire-resistant and flame-retardant polyurethane material for the outer ring of a roller, comprising the following steps:

[0026] (1) Add the above-mentioned hydroxyethyl cellulose to deionized water 10 times its weight, raise the temperature to 57°C, add the above-mentioned ammonium polyphosphate, and keep stirring for 10 minutes to obtai...

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Abstract

A roller outer-ring fireproof flame-retardant polyurethane material is disclosed. The polyurethane material comprises, by weight, 0.04-0.1 part of ammonium persulfate, 10-13 parts of carbon nanotubes, 1-2 parts of zinc hydroxystannate, 6-8 parts of maleic anhydride, 0.6-2 parts of stearamide, 3-4 parts of acetyl tributyl citrate, 0.6-1 part of hexamethylphosphoramide, 4-6 parts of allyl polyethylene glycol, 2-3 parts of barium stearate, 1.7-2 parts of ammonium polyphosphate, 2-3 parts of hydroxyethyl cellulose, 0.3-1 part of stannous sulfide, 0.7-1 part of 8-hydroxyquinoline, 0.8-1 part of dodecafluoroheptylpropyltrimethoxysilane, 100-110 parts of a thermoplastic polyurethane elastomer and 0.5-1 part of decabromodiphenyl ether. The decabromodiphenyl ether, the ammonium polyphosphate, the zinc hydroxystannate, and the like which are added effectively improve fireproofness and flame retardance of a finished product of the composite material and improve using safety.

Description

technical field [0001] The invention relates to the technical field of polyurethane materials, in particular to a fire-resistant and flame-retardant polyurethane material for the outer ring of a roller and a preparation method thereof. Background technique [0002] Polyurethane is an emerging organic polymer material, known as the "fifth largest plastic", and is widely used in many fields of the national economy because of its excellent performance. The product application fields involve light industry, chemical industry, electronics, textile, medical treatment, construction, building materials, automobile, national defense, aerospace, aviation, etc. It is a widely used polymer material, mainly including polyurethane foam, polyurethane elastomer, polyurethane waterproof material, Polyurethane coatings, polyurethane adhesives and polyurethane biomedical materials, etc. Polyurethane has good physical and mechanical properties, wide hardness range, high strength, wear resistanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08L1/28C08L71/02C08K13/06C08K9/06C08K9/04C08K7/24C08K5/06C08K3/32
CPCC08L75/04C08K2201/011C08L2201/02C08L2205/03C08L2207/04C08L1/284C08L71/02C08K13/06C08K9/06C08K9/04C08K7/24C08K5/06C08K2003/323
Inventor 饶建
Owner 宁波锐克轮业科技有限公司