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Thermoplastic polyurethane elastomer, and preparation method and application thereof

A thermoplastic polyurethane and elastomer technology, which is applied in the field of chemical material synthesis, can solve the problems of detachment and pollution, and achieve the effects of easy acquisition, odor removal and low production cost

Inactive Publication Date: 2019-05-31
MIRACLL CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of a large amount of extractant causes serious pollution in the production process, and the van der Waals force between relatively large molecular weight small molecular substances and polymer macromolecules is strong, so it is difficult to devolatize such relatively large molecular weight substances The small molecular substances are detached from the polymer melt with high viscosity, and continue to release small molecular organic substances during the use of post-production parts, causing pollution problems

Method used

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  • Thermoplastic polyurethane elastomer, and preparation method and application thereof
  • Thermoplastic polyurethane elastomer, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A thermoplastic polyurethane elastomer material made of the following raw materials: 5600g of polytetrahydrofuran diol (PTMG) with a molecular weight of 1000g / mol, 794g of 1,4-butanediol (BDO), 3606g of diphenylmethane diisocyanate (MDI ), 1000g tourmaline with a particle size of 1μm, 800g wizard stone with a particle size of 1μm, 200g vinyl trichlorosilane, 150g tetrakis (4-hydroxy 3,5-tert-butylphenyl propionate) pentaerythritol ester, 50g tri (2.4-Di-tert-butylphenyl)phosphite.

[0026] The preparation method of above-mentioned thermoplastic polyurethane elastomer material, comprises the steps:

[0027] 1) 5600g of PTMG, 1000g tourmaline, 800g wizard stone, 200g vinyl trichlorosilane, 150g tetrakis (4-hydroxy 3,5-tert-butylphenyl propionate) pentaerythritol ester, 50g tris (2.4-di-tert Butyl phenyl) phosphite is added in the container with heating function, use ultrasonic instrument and high-speed mechanical stirring device to ultrasonic, stir and mix, obtain system...

Embodiment 2

[0031] A thermoplastic polyurethane elastomer material consisting of the following raw materials: 5900g polyester polyol (PE20) with a molecular weight of 2000g / mol, 873g 1,4-butanediol (BDO), 3227g diphenylmethane diisocyanate (MDI) , 500g tourmaline with a particle size of 50μm, 400g wizard stone with a particle size of 50μm, 100g vinyltrimethoxysilane, 150g tetrakis (4-hydroxy 3,5-tert-butylphenylpropionate) pentaerythritol ester, 50g tri (2.4-Di-tert-butylphenyl)phosphite.

[0032] The preparation method of above-mentioned thermoplastic polyurethane elastomer material, comprises the steps:

[0033] 1) Mix 590g PE20, 500g tourmaline, 400g wizard stone, 100g vinyltrimethoxysilane, 150g tetrakis (4-hydroxy 3,5-tert-butylphenyl propionate) pentaerythritol ester and 50g tris(2.4-di-tert Butyl phenyl) phosphite is added in the container with heating function, use ultrasonic instrument and high-speed mechanical stirring device to ultrasonic, stir and mix, obtain system A;

[00...

Embodiment 3

[0037] A thermoplastic polyurethane elastomer material consisting of the following raw materials: 5600g of polyester polyol (PE20) with a molecular weight of 2000g / mol, 638g of ethylene glycol (EDO), 3438g of diphenylmethane diisocyanate (MDI), 100g of particle size 100μm tourmaline, 100g wizard stone with a particle size of 100μm, 100g 3-isocyanate propyltriethoxysilane, 200g tetrakis (4-hydroxy 3,5-tert-butylphenyl propionate) pentaerythritol ester, 50g tri (2.4-Di-tert-butylphenyl)phosphite.

[0038] The preparation method of above-mentioned thermoplastic polyurethane elastomer material, comprises the steps:

[0039] 1) 5600g PE20, 100g tourmaline, 100g wizard stone, 100g 3-isocyanate propyltriethoxysilane, 200g tetrakis (4-hydroxy 3,5-tert-butylphenyl propionate) pentaerythritol ester and 50g tri( 2. Add 4-di-tert-butylphenyl)phosphite into a container with a heating function, use an ultrasonic instrument and a high-speed mechanical stirring device to ultrasonically, stir a...

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Abstract

The invention belongs to the technical field of chemical material synthesis, and particularly relates to a thermoplastic polyurethane elastomer, and a preparation method and application thereof. The thermoplastic polyurethane elastomer comprises, by weight, 30-40 parts of diisocyanate, 50-70 parts of macromolecular dihydric alcohol, 2-10 parts of micromolecular dihydric alcohol, 1-10 parts of tourmaline, 1-8 parts of Qicai stone, 1-2 parts of coupling agents, 0.01-0.2 part of main antioxidant and 0-0.15 part of auxiliary antioxidant. The thermoplastic polyurethane elastomer is practical, has alow production cost, and can effectively improve the in-car air quality; raw materials are easy to obtain, safe, environmentally friendly, and free of pollution; the thermoplastic polyurethane elastomer can release negative ions beneficial to the human body under a passive state through introduction of the tourmaline and the Qicai stone, volatile micromolecular organic substances in TPU (thermoplastic polyurethane) materials are effectively degraded, and the thermoplastic polyurethane elastomer has the effects of removing the odor and purifying the air.

Description

technical field [0001] The invention belongs to the technical field of chemical material synthesis, and in particular relates to a thermoplastic polyurethane elastomer and its preparation method and application. Background technique [0002] Thermoplastic polyurethane elastomer (TPU) is a type of polyurethane that can be plasticized by heating and has no or little chemical crosslinking in its chemical structure. It has high strength, high modulus, good elasticity, and excellent Wear resistance and good oil resistance, therefore, thermoplastic polyurethane elastomers are widely used in the field of automotive interiors. [0003] With the increasing popularity of passenger cars, the public is increasingly concerned about air pollution in cars, which is directly related to their health. The first sensory impression given by smell is particularly critical, and has gradually become one of the important indicators for consumers to measure the comfort of cars. Focusing on the pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/76C08G18/66C08G18/48C08G18/42C08G18/32C08K13/02C08K3/38C08K5/134C08K5/526
Inventor 宋红玮陈洋战振生高玉宝王黑龙
Owner MIRACLL CHEM
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