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Ultrahigh-resilience wear-resistant durable TPR trundle material and preparation method thereof

A resilience and anti-wear technology, applied in the field of new material preparation, can solve the problems of unfavorable large-scale industrial production, no buffer and shock absorption effect, cumbersome processing procedures, etc., achieve fast injection molding cycle, good resilience, and simplify production The effect of the process

Inactive Publication Date: 2019-11-22
廊坊诚通高分子材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional casters are generally hard plastic parts such as polypropylene PP, nylon PA, ABS, etc., but hard plastic has poor elasticity and has no cushioning and shock absorption effect
Another manufacturing material for casters is vulcanized rubber, thermoplastic polyurethane TPU, nitrile rubber NBR, etc., which have good resilience, but their flexural modulus is low and rigidity is insufficient, so their bearing weight is limited
At the same time, its processing procedures are cumbersome, which is not conducive to large-scale industrial production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0033] The preparation method of ultra-high resilience anti-abrasion and durability TPR caster material, described method comprises the following steps:

[0034] a. Weigh hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS, white oil, polypropylene, polyolefin elastomer, thermoplastic polyester elastomer, polyolefin, and processing aid according to the single weight of the ingredients;

[0035] b. Add the weighed hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS into the high mixer, and evenly sprinkle the white oil on the surface of the SEBS elastomer through a sprayer, and stir while spraying, so that The white oil is evenly and fully absorbed by the SEBS elastomer;

[0036] c. Add the weighed polypropylene, polyolefin elastomer, thermoplastic polyester elastomer, polyolefin, and processing aids into the mixer in sequence, set the stirring speed of the mixer to 300r / min, and the stirring time to 10 -30min, stir the material evenly to obtain the mixture...

Embodiment 1

[0041] The components of the parts by mass of the raw materials of the caster material are as follows: 100 parts of hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS, 100 parts of white oil, 42 parts of polypropylene PP, polyolefin elastomer TPO / 10 parts of POE, 10 parts of thermoplastic polyester elastomer TPC-ET, 5 parts of polyolefin PE, 5 parts of processing aid.

[0042] The preparation method is as follows:

[0043] a. Weigh hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS, white oil, polypropylene, polyolefin elastomer, thermoplastic polyester elastomer, polyolefin, and processing aid according to the weight of the above-mentioned ingredients;

[0044] b. Add the weighed hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS into the high mixer, and evenly sprinkle the white oil on the surface of the SEBS elastomer through a sprayer, and stir while spraying, so that The white oil is evenly and fully absorbed by the SEBS elastomer;

[0...

Embodiment 2

[0049] The components of the mass fraction of the raw material of the caster material are as follows: 100 parts of hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS, 150 parts of white oil, 73 parts of polypropylene PP, polyolefin elastomer TPO / 30 parts of POE, 15 parts of thermoplastic polyester elastomer TPC-ET, 8 parts of polyolefin PE, 10 parts of processing aid.

[0050] The preparation method is as follows:

[0051] a. Weigh hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS, white oil, polypropylene, polyolefin elastomer, thermoplastic polyester elastomer, polyolefin, and processing aid according to the weight of the above-mentioned ingredients;

[0052] b. Add the weighed hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS into the high mixer, and evenly sprinkle the white oil on the surface of the SEBS elastomer through a sprayer, and stir while spraying, so that The white oil is evenly and fully absorbed by the SEBS elastomer;

[0...

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Abstract

The invention relates to an ultrahigh-resilience wear-resistant durable TPR trundle material and a preparation method thereof, and belongs to the technical field of preparation of new materials. The trundle material is prepared from the following components of hydrogenated styrene-ethylene-butylene-styrene elastomer, white oil, polypropylene, polyolefin elastomer, thermoplastic polyester elastomerTPC-ET, polyolefin PE and a processing aid. The preparation method comprises the following steps of a, weighing the raw materials according to ingredients; b, adding the weighed hydrogenated styrene-ethylene-butylene-styrene elastomer SEBS into a high-speed mixer, and uniformly spraying the white oil onto the surface of the SEBS elastomer to enable the white oil to be absorbed by the SEBS elastomer; c, sequentially adding the weighed polypropylene, polyolefin elastomer, thermoplastic polyester elastomer, polyolefin and processing aid into a mixer, and uniformly stirring to obtain a mixture; and d, pouring the prepared mixture into a twin-screw extruder, and carrying out melt extrusion granulation. The trundle material prepared by the invention has a relatively wider hardness range.

Description

technical field [0001] The invention relates to an ultra-high resilience, wear-resistant and durable TPR caster material and a preparation method thereof, belonging to the technical field of new material preparation. Background technique [0002] Materials have always been the basis of the industrial revolution. With the advent of the fourth industrial revolution, various high-tech industries such as aerospace, medical care, and large shopping malls are increasingly dependent on basic materials. At the same time, high-tech equipment Transportation is inseparable from various tool vehicles, so a wear-resistant, ultra-high resilience, and durable caster is particularly important at this time, acting as a basic component for rapid marching. Traditional casters are generally hard plastic parts such as polypropylene PP, nylon PA, ABS, etc., but hard plastic has poor elasticity and has no cushioning and shock absorption effect. Another manufacturing material of casters is vulcani...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L91/06C08L23/12C08L23/08C08L67/00C08L23/06
CPCC08L53/025C08L91/06C08L2205/02C08L2205/035C08L23/12C08L23/0815C08L67/00C08L23/06
Inventor 杨干兵邓建业
Owner 廊坊诚通高分子材料科技有限公司
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