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TPE trundle material with high resilience and high wear resistance and preparation method

A technology with high wear resistance and high resilience, applied in the field of caster materials and preparation, can solve the problems of poor compatibility, complex process, difficult coating, etc. Effect

Inactive Publication Date: 2019-01-18
NANTONG POLYMAX ELASTOMER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although rubber and polyurethane elastomers have good wear resistance, their compatibility with polypropylene is poor, so the coating process is difficult and complicated

Method used

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  • TPE trundle material with high resilience and high wear resistance and preparation method
  • TPE trundle material with high resilience and high wear resistance and preparation method
  • TPE trundle material with high resilience and high wear resistance and preparation method

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Experimental program
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Effect test

preparation example Construction

[0030] A preparation method of high resilience and high wear resistance TPE caster material, comprising the following steps:

[0031] a. Weigh styrene-based elastomer, aromatic oil, polypropylene, powdered rubber, thermoplastic vulcanized rubber, polyurethane, ultra-high molecular weight polyethylene, auxiliary agent, and spare according to parts by mass.

[0032] b. Add the weighed styrene-based elastomer into the high-mixer, spray the aromatic oil over the high-mixer to the surface of the styrene-based elastomer through a sprayer, and stir while spraying, so that the aromatic oil is uniformly and fully Styrene elastomer absorption;

[0033] c. Add the weighed polypropylene, powdered rubber, thermoplastic vulcanizate, polyurethane, ultra-high molecular weight polyethylene, and auxiliary agents into the mixer in sequence and mix and stir at a high speed of 400r / min for 2 to 10 minutes until they are evenly stirred to obtain a mixture. During the stirring process, the temperat...

Embodiment 1

[0036] The caster material is composed of the following components by mass: 100 parts of styrene-based elastomer, 90 parts of aromatic oil, 40 parts of polypropylene, 50 parts of powdered rubber, 60 parts of thermoplastic vulcanized rubber, 50 parts of polyurethane, and 30 parts of ultra-high molecular weight polyethylene 45 parts, 45 parts of compatibilizer, 11 parts of anti-wear agent, 5 parts of lubricant, 4 parts of antioxidant.

[0037] The final obtained caster material is measured by experiments: the hardness is 72 Shore A, the elongation at break is 576%, the tensile strength is 9.5MPa, the permanent compression deformation is 59.3%, the rebound rate is 93.8%, and the walking time is 180min .

Embodiment 2

[0039] The caster material is composed of the following components in parts by mass: 100 parts of styrene-based elastomer, 20 parts of aromatic oil, 5 parts of polypropylene, 5 parts of powdered rubber, 5 parts of thermoplastic vulcanized rubber, 25 parts of polyurethane, and 15 parts of ultra-high molecular weight polyethylene 1 part, 5 parts of compatibilizer, 1 part of lubricant, 1 part of antioxidant.

[0040]The final obtained caster material is measured by experiments: the hardness is 64 Shore A, the elongation at break is 555%, the tensile strength is 7.0MPa, the permanent compression deformation is 49.2%, the rebound rate is 92.4%, and the wear-resistant walking time It is 159min.

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Abstract

The invention discloses a TPE trundle material with high resilience and high wear resistance and a preparation method. The TPE trundle material with high resilience and high wear resistance contains the following components in parts by weight: 100 parts of styrene elastomer, 20-170 parts of aromatic oil, 5-90 parts of polypropylene, 5-100 parts of powdered rubber, 5-130 parts of thermoplastic vulcanized rubber, 25-110 parts of polyurethane, 15-75 parts of ultrahigh molecular weight polyethylene and 10-135 parts of adjuvant. The preparation method for the TPE trundle material with high resilience and high wear resistance comprises the following steps: filling oil, blending, extruding and pelletizing. The trundle material prepared according to the invention has high compatibility with polypropylene; the trundle material can be coated and molded in the manner of secondary injection molding; the trundle material has excellent resilience performance, is nontoxic and environment-friendly andhas excellent processing property; the coating process is simple; the TPE trundle material has excellent abrasive resistance, high strength and high resilience; the service life of the trundle can beprolonged; the anti-shock and damping function of trundle can be achieved.

Description

technical field [0001] The invention relates to a caster material and a preparation method, in particular to a high-resilience and high-wear-resistant TPE caster material and a preparation method. Background technique [0002] With the rise of the industrial revolution, more and more equipment needs to be moved, and casters are being used more and more widely all over the world. Casters are almost inseparable from all walks of life. With the continuous development of modern technology, equipment is also required to have more and more functions, and casters have become an indispensable part. Most of the casters currently on the market are injection molded parts such as polypropylene and polyamide, but polypropylene and polyamide have poor elasticity and do not have the functions of shock resistance and shock absorption. Although elastomers such as rubber, polyurethane, and polyester elastomers have good shock resistance and shock absorption functions, they have low rigidity ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L53/02C08L23/12C08L75/04C08L23/06C08L9/06C08L9/02C08L21/00
CPCC08L21/00C08L53/025C08L2205/035C08L23/12C08L75/04C08L23/06C08L9/06C08L9/02
Inventor 邢胜俐陆云李倩倩
Owner NANTONG POLYMAX ELASTOMER TECH
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