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Rubber-plastic modified environmental protection material and preparation method thereof

An environmentally friendly material and modification technology, which is applied in the field of shoe rubber, can solve problems such as wear resistance, aging resistance and heat resistance, failure to master raw materials and additives, and long degradation time of waste materials, etc., to achieve Improvement of physical and chemical properties, changes in chemical stability and thermal stability, and long service life

Active Publication Date: 2014-11-05
东莞国立高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the lack of better solutions to the problems of solubility, crystallization state, and coupling crosslinking between raw materials in the prior art, and the accurate grasp of the input time, temperature, ratio and process conditions of raw materials and additives, in The performance of the prepared material cannot be fully realized
[0004] For how to give full play to the performance of the SBS material in the application of the shoe industry, people have also carried out a lot of research and improvement, such as: application number 200810120386.4, the name of the invention is a shoe sole material and its processing method, which discloses the use of SBS to prepare shoe materials Although the formulation of the shoe material has solved the problem of strength and toughness, its wear resistance, aging resistance and heat resistance are still not ideal
Another example: application number 03136109.9, the name of the invention is a kind of ultra-high wear-resistant thermoplastic rubber shoe sole material, which discloses a wear-resistant rubber with a wear scar length less than 7mm and a hardness of 64 (shore A), but its data utilization is not very good. Ideal, and not friendly to the environment, its waste material degrades for a long time

Method used

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  • Rubber-plastic modified environmental protection material and preparation method thereof
  • Rubber-plastic modified environmental protection material and preparation method thereof
  • Rubber-plastic modified environmental protection material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A rubber-plastic modified environmental protection material, including oil-extended SBS 35Kg, SBS 20Kg, butadiene-styrene copolymer 5Kg, styrene 4.5Kg, naphthenic oil 5Kg, bamboo fiber 30Kg, zinc stearate 0.5Kg.

[0028] The method for preparing the rubber-plastic modified environmental protection material includes the following preparation steps:

[0029] Step A. Ball mill the amount of SBS, styrene, oil, fiber, and zinc stearate first, then send them to an internal mixer or kneader for internal mixing or kneading at 80°C for 8 minutes, and finally discharge, cool, Broken to obtain mixture I;

[0030] Step B. Transfer the mixture I to the reactor, raise the temperature to 110°C, slowly add oil-extended SBS and butadiene-styrene copolymer, stir and knead for 15 minutes to obtain the mixture II;

[0031] Step C, put the mixture II into an extruder to melt and extrude at 98°C, then cool, cut into pellets, and dry to obtain the rubber-plastic modified environmental protec...

Embodiment 2

[0033] A rubber-plastic modified environmental protection material, including 30Kg of oil-filled SBS, 25Kg of SB, 8Kg of butadiene-styrene copolymer, 5Kg of styrene, 6.7Kg of naphthenic oil, 25Kg of straw fiber, and 0.3Kg of zinc stearate.

[0034] The method for preparing the rubber-plastic modified environmental protection material includes the following preparation steps:

[0035] Step A, ball mill the amount of SBS, styrene, oil, fiber, and zinc stearate first, then send it to an internal mixer or kneader for internal mixing or kneading at 95°C for 6 minutes, and finally discharge, cool, Broken to obtain mixture I;

[0036] Step B. Transfer the mixture I to the reactor, raise the temperature to 110°C, slowly add oil-extended SBS and butadiene-styrene copolymer, stir and knead for 10 minutes to obtain the mixture II;

[0037] Step C, put the mixture II into an extruder to melt and extrude at 110°C, then cool, cut into pellets, and dry to obtain the rubber-plastic modified ...

Embodiment 3

[0039]A rubber-plastic modified environmental protection material, including oil-extended SBS 25Kg, SBS 30Kg, butadiene-styrene copolymer 10Kg, styrene 4.9Kg, naphthenic oil 10Kg, jute fiber 20Kg, zinc stearate 0.1Kg.

[0040] The method for preparing the rubber-plastic modified environmental protection material includes the following preparation steps:

[0041] Step A. Ball mill the amount of SBS, styrene, oil, fiber, and zinc stearate first, and send them to a banbury mixer or kneader, banbury or knead at 85°C for 7 minutes, then discharge and cool , crushed to obtain mixture I;

[0042] Step B. Transfer the mixture I to the reactor, raise the temperature to 114°C, slowly add oil-extended SBS and butadiene-styrene copolymer, stir and knead for 14 minutes to obtain the mixture II;

[0043] Step C, put the mixture II into an extruder to melt and extrude at 100°C, then cool, cut into pellets, and dry to obtain the rubber-plastic modified environmental protection material.

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Abstract

The invention relates to the technical field of shoe material rubber, particularly to a rubber-plastic modified environmental protection material and a preparation method thereof. The environmental protection material provided in the invention comprises, by weight: 25-35 parts of oil-extended SBS (styrene butadiene styrene), 20-30 parts of SBS, 5-10 parts of a butadiene-styrene copolymer, 3-8 parts of styrene, 5-15 parts of oil, 20-30 parts of a fiber, and 0.1-0.5 part of zinc stearate. The raw materials are added in batches at different temperatures to prepare the environmental protection material, which is not only light, but also resists aging, wear, and heat. Particularly, the use of renewable plant fiber makes the environmental protection material low in cost and friendly to the environment, and the degradation time of waste materials is short.

Description

technical field [0001] The invention relates to the technical field of shoe material rubber, in particular to a rubber-plastic modified environmental protection material and a preparation method thereof. Background technique [0002] The main materials used for shoe soles are natural rubber or synthetic rubber, and synthetic rubber is divided into wear-resistant rubber, environmentally friendly rubber, air rubber, viscous rubber, hard rubber, carbon rubber, etc. The soles made of these materials have different advantages and disadvantages. Among them, natural rubber is very soft, has excellent elasticity, and is suitable for various sports, but its resources are limited, harmful substances will be produced during the production process, and it is not wear-resistant; Synthetic rubber (also called thermoplastic elastomer) has the advantages of convenient processing and simple process, but its wear resistance, aging resistance and heat resistance are not ideal enough. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L53/02C08L97/02C08L1/02C08L25/10C08K5/098C08K5/01A43B1/10
Inventor 邵钅监棠
Owner 东莞国立高分子材料有限公司
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