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An anti-load anti-fatigue type TPE thermoplastic elastomer and a preparing method thereof

A thermoplastic elastomer and fatigue-resistant technology, applied in the field of polymer materials, can solve the problems of unresolved weather resistance and load resistance, insufficient bonding performance, etc., and achieve good load resistance and fatigue resistance, high molecular weight, and good plasticizing performance.

Active Publication Date: 2018-01-05
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when TPE thermoplastic elastomer is used in the engineering field, the performance of weather resistance and load resistance is not solved in the prior art; moreover, there are obvious deficiencies in the bonding performance with PP, ABS and other materials.

Method used

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  • An anti-load anti-fatigue type TPE thermoplastic elastomer and a preparing method thereof
  • An anti-load anti-fatigue type TPE thermoplastic elastomer and a preparing method thereof
  • An anti-load anti-fatigue type TPE thermoplastic elastomer and a preparing method thereof

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Embodiment Construction

[0018] A load-resistant and fatigue-resistant TPE thermoplastic elastomer of the present invention and its preparation method will be further described below in conjunction with specific examples, wherein Example 1 is the best example.

[0019] The proportioning components of the examples of the load-resistant and fatigue-resistant TPE elastomer are shown in Table 1. Wherein embodiment 3 is the best implementation mode.

[0020]Table 1 Example 1~5 Anti-load and anti-fatigue type TPE elastomer formulation components (by weight)

[0021]

[0022] SEBS in Examples 1-3 is TAIROL3150 from Taiwan Rubber, SEBS in Example 4 is 502 from Yuehua, SEBS in Example 5 is 503 from Yuehua, the styrene content in SEBS is 29%~35%, and the Shore A hardness is 75 ~79, the tensile strength at break is 24 MPa ~27MPa; the octene content of the POE elastomer in Examples 1~3 is 18%~25%, and the Mooney viscosity ML at 120°C 1+4 is 5~8, and the weight part of POE elastomer is 9~10 parts. SP-179 mel...

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Abstract

An anti-load anti-fatigue type TPE thermoplastic elastomer and a preparing method thereof are disclosed and belong to the technical field of polymer materials. The elastomer is characterized by comprising, by weight, 46-50 parts of SEBS, 8-12 parts of a POE elastomer, 16-20 parts of copolymerized PP, 28-32 parts of liquid polybutylene (PB), 0.4-0.8 part of an antioxidant, 11-15 parts of calcium carbonate and 0.6-0.8 part of a processing lubricant. The method includes weighing most of the materials, adding the weighed materials into a high-speed mixer, mixing the materials, heating the mixtureto 65-75 DEG C, then adding the liquid polybutylene into the mixture, performing high-speed mixing until the liquid component is completely absorbed by the material mixture, cooling the mixture, and granulating the mixture. Compared with TPE materials in the prior art, the TPE thermoplastic elastomer has good anti-load and anti-fatigue properties, and when the TPE thermoplastic elastomer is used as a hub covering material, the TPE thermoplastic elastomer has good resilience and high adhesive force, and the service lifetime of the TPE thermoplastic elastomer is far longer than that of the TPE materials in the prior art.

Description

technical field [0001] A load-resistant and fatigue-resistant TPE thermoplastic elastomer and a preparation method thereof belong to the technical field of polymer materials. Background technique [0002] Thermoplastic elastomers (TPE) are elastomers that combine the elasticity of rubber with the processability of thermoplastics. Because TPE material is environmentally friendly, non-toxic and safe, it has excellent colorability and soft touch, it has better weather resistance, fatigue resistance and temperature resistance, excellent processing performance, and can be recycled, which can effectively reduce the cost of use. In addition, since no vulcanization is required in its production process, the production process is greatly simplified and energy consumption is effectively reduced. TPE materials can be overmolded, coated and bonded with PP, PE, PC, PS, ABS and other base materials, or can be molded separately. Compared with traditional thermosetting rubber, thermoplast...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L23/08C08L23/14C08L23/20C08K13/02C08K3/26C08K5/103
Inventor 张桦汪洋姜洪颖王晶张新华李静孙丽朋王秀丽刘浩刘容德王晓敏桂俊杰
Owner CHINA PETROLEUM & CHEM CORP
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