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Tire production process

A production process and tire technology, applied in special tires, tire parts, rolling resistance optimization, etc., can solve the problems of waste tires not being recycled, tire service life is short, technical content is unknown, etc., to achieve increased compactness, resistance The effect of enhanced flammability and simple process

Inactive Publication Date: 2014-02-05
ANHUI TONGFENG RUBBER & PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Tires are common items in daily life. At present, with the improvement of people's living standards in our country, various vehicles are widely produced. As an important part of many vehicles, tires have a huge production and consumption, but the consumption Huge waste tires have not been well recycled, resulting in a great waste of resources. The application number is CN201010127244.8, which discloses a production process for tires. It uses sandwich rubber as the main raw material, adds reinforcing fibers, and is made by mixing. Semi-finished tires, finally vulcanized to produce finished tires
This process uses sandwich rubber as the main raw material, and under the action of reinforcing fibers, the strength of the tire is increased, and at the same time, the anti-skid property of the tire is better, but the production cost of the tire is relatively high in terms of the selection of raw materials. A lot of conditions are not clear, the technical content is not clear, the service life of the tire is short, and the process cost is increased

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of tire production process of the present embodiment is characterized in that its process steps are as follows:

[0021] (1) Crushing and screening of raw materials: crushing the raw materials and screening the 4mm purpose particles with a screening machine, and the raw materials are waste tires;

[0022] (2) Impurity removal: The target particles obtained in step (1) were cleaned and cleaned by ultrasonic filtration in an industrial ultrasonic machine with a mixture of ethanol and ether, acetone, and deionized water for 15 minutes, and then 120# gasoline and deionized water were used to remove impurities. Rinse twice with water;

[0023] (3) Melting: Put the target particles obtained in step (2) into the reactor, and heat them under stirring at 300°C until they become a molten state;

[0024] (4) Modification: Add hard carbon black, phenolic resin and modified starch into the reactor, and stir evenly with the molten liquid. The content of the hard carbon black ...

Embodiment 2

[0028] Example 2 : All the other are identical with described embodiment 1, and difference is, in step (1), the purpose particle of screening is 6mm, and in step (4), the content of described modified starch is 5% of molten liquid, and step ( 4), the modified starch is cross-linked starch.

Embodiment 3

[0029] Example 3: All the other are identical with described embodiment 1, and difference is, in step (1), the purpose particle of screening is 8mm, and in step (4), the content of described modified starch is 7% of molten liquid, and step (6 ), in the mixture of Al(OH)3, octabromoether and Mg(OH)2, the ratio of the mixture of Al(OH)3, octabromoether and Mg(OH)2 is 1:2:1.

[0030] Example 1 Example 2 Example 3 particle complete melting time 33min 46min 58min tire load index 104 108 110

[0031] Through the above three examples, there are three sets of data in the above table. It can be seen that when the particle size is 4mm, the complete melting time of the particle is the shortest, and when the content of modified starch is 7% of the melt, the load index of the tire is the largest, that is, it can withstand Pressure max.

[0032] The invention completes the tire production process through seven steps of crushing and screening waste ...

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PUM

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Abstract

The invention discloses a tire production process, which comprises the steps of: (1) raw material crushing and screening; (2) impurity removal; (3) melting; (4) modification; (5) vacuum defoamation; (6) compression molding; and (7) vulcanization. The process involved in the invention is simple and reasonable, adopts discarded tires as raw materials, is low in cost, environment-friendly and practical, and avoids waste of resources. Most importantly, the tire strength, wear resistance, ductility and flame resistance are enhanced, and the tire quality is guaranteed, so that the production process is suitable for popularization and use in the tire production field.

Description

[0001] technical field [0002] The production process of plastic rubber that the present invention relates to, particularly relates to a kind of tire production process. Background technique [0003] Tires are common items in daily life. At present, with the improvement of people's living standards in our country, various vehicles are widely produced. As an important part of many vehicles, tires have a huge production and consumption, but the consumption Huge waste tires have not been well recycled, resulting in a great waste of resources. The application number is CN201010127244.8, which discloses a production process for tires. It uses sandwich rubber as the main raw material, adds reinforcing fibers, and is made by mixing. Semi-finished tires are finally vulcanized to produce finished tires. This process uses sandwich rubber as the main raw material, and under the action of reinforcing fibers, the strength of the tire is increased, and at the same time, the anti-skid pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L21/00C08L61/06C08L3/04C08K13/02C08K3/04C08K3/22C08K5/06C08K3/06C08K3/26C08J3/24B60C1/00
CPCY02T10/862
Inventor 项宗武
Owner ANHUI TONGFENG RUBBER & PLASTIC IND