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High-elasticity high-wear-resistance TPU (thermoplastic polyurethane) composite foam material and preparation method thereof

A composite foaming and high wear-resistant technology, which is applied in the field of high-elasticity and high-wear-resistant TPU composite foaming materials and its preparation, can solve the problems of easy wear on the surface of the material, differences in the performance of foaming materials, and affecting the use effect of materials. To achieve the effect of increasing the scope of use, good wear resistance and high elasticity

Pending Publication Date: 2022-05-13
山东跃华新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Foaming material is made of rubber or plastic material as raw material, plus various auxiliary materials, and produced through multiple processes. The name of TPU is thermoplastic polyurethane elastomer rubber. It has many advantages and is a widely used environmental protection material. The composite foam material made of TPU as the main raw material overcomes the shortcomings of TPU raw materials such as heavy weight, high hardness, and poor shock absorption performance, and turns into a performance material that has both the advantages of TPU and foam materials. However, due to the added The difference in the composition and weight of various catalysts will cause the difference in the performance of the foamed material. The existing TPU composite foamed material has poor overall elasticity, which greatly increases the limitations of its use, and does not have relatively Good wear resistance, the surface of the material is prone to wear during use, which will affect the use effect of the material

Method used

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  • High-elasticity high-wear-resistance TPU (thermoplastic polyurethane) composite foam material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A high elasticity and high wear resistance TPU composite foaming material, which is composed of the following components in parts by weight: 60-80 parts of high hardness TPU, 10-30 parts of MDI, 10-20 parts of polyol, 15-25 parts of BDO and auxiliary agent 2 -5 parts, the hardness of the TPU is 80A.

[0019] At the same time, the invention also discloses a preparation method of a highly elastic and wear-resistant TPU composite foam material, including the following steps:

[0020] S1: First weigh the following raw materials in parts by weight: 60 parts of high hardness TPU, 10 parts of MDI, 10 parts of polyol, 15 parts of BDO and 2 parts of additives;

[0021] S2: Then put 60 parts of high-hardness TPU, 10 parts of MDI and 15 parts of BDO into the stirring equipment for full stirring, and obtain a preliminary mixture after the stirring is completed;

[0022] S3: Then put the preliminary mixture into an internal mixer for preliminary mixing, and the mixing temperature i...

Embodiment 2

[0028] A high elasticity and high wear resistance TPU composite foaming material, which is composed of the following components in parts by weight: 60-80 parts of high hardness TPU, 10-30 parts of MDI, 10-20 parts of polyol, 15-25 parts of BDO and auxiliary agent 2 -5 parts, the hardness of the TPU is 80A.

[0029] At the same time, the invention also discloses a preparation method of a highly elastic and wear-resistant TPU composite foam material, including the following steps:

[0030] S1: First weigh the following raw materials in parts by weight: 70 parts of high hardness TPU, 20 parts of MDI, 15 parts of polyol, 20 parts of BDO and 3.5 parts of additives;

[0031] S2: Then put 70 parts of high-hardness TPU, 20 parts of MDI and 20 parts of BDO into the stirring equipment for full stirring, and obtain a preliminary mixture after the stirring is completed;

[0032] S3: Then put the preliminary mixture into an internal mixer for preliminary mixing, and the mixing temperature...

Embodiment 3

[0038] A high elasticity and high wear resistance TPU composite foaming material, which is composed of the following components in parts by weight: 60-80 parts of high hardness TPU, 10-30 parts of MDI, 10-20 parts of polyol, 15-25 parts of BDO and auxiliary agent 2 -5 parts, the hardness of the TPU is 80A.

[0039] A preparation method of a highly elastic and wear-resistant TPU composite foam material, comprising the following steps:

[0040] S1: First weigh the following raw materials in parts by weight: 80 parts of high hardness TPU, 30 parts of MDI, 20 parts of polyol, 25 parts of BDO and 5 parts of additives;

[0041] S2: Then put 80 parts of high-hardness TPU, 30 parts of MDI and 25 parts of BDO into the stirring equipment for full stirring, and obtain a preliminary mixture after the stirring is completed;

[0042] S3: Then put the preliminary mixture into an internal mixer for preliminary mixing, and the mixing temperature is 110°C;

[0043] S4: Then put 20 parts of po...

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Abstract

The invention discloses a high-elasticity and high-wear-resistance TPU (thermoplastic polyurethane) composite foam material and a preparation method thereof, the high-elasticity and high-wear-resistance TPU composite foam material is composed of the following components in parts by weight: 60-80 parts of high-hardness TPU, 10-30 parts of MDI (diphenylmethane diisocyanate), 10-20 parts of polyol, 15-25 parts of BDO (butylated hydroxytoluene) and 2-5 parts of auxiliaries, and the hardness of TPU is 80A. The high-hardness TPU is used as a main raw material of the foaming material, so that the rebound resilience of the foaming material is greatly improved, the product has higher elasticity, the application range of the foaming material is greatly enlarged, and the impact resistance of the foaming material can be remarkably improved by adding the MDI, the polyhydric alcohol, the BDO and other components; the outer side of the foamed material has better wear resistance after the foamed material is formed, the surface of the foamed material is more wear-resistant in the subsequent use process, the surface of the material is not easy to damage, and the service life of the foamed material is prolonged.

Description

technical field [0001] The invention belongs to the technical field of foam material preparation, and in particular relates to a highly elastic and wear-resistant TPU composite foam material and a preparation method thereof. Background technique [0002] Foaming material is made of rubber or plastic material as raw material, plus various auxiliary materials, and produced through multiple processes. The name of TPU is thermoplastic polyurethane elastomer rubber. It has many advantages and is a widely used environmental protection material. The composite foam material made of TPU as the main raw material overcomes the shortcomings of TPU raw materials such as heavy weight, high hardness, and poor shock absorption performance, and turns into a performance material that has both the advantages of TPU and foam materials. However, due to the added The difference in the composition and weight of various catalysts will cause the difference in the performance of the foamed material. ...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08J9/00
CPCC08J9/00C08J9/0061C08J2375/04C08J2475/04
Inventor 王明郭健刘勇徐玲玲
Owner 山东跃华新材料有限公司
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