One-step rubber mixing process for tires using trans isoprene rubber tpi

A trans isoprene rubber and rubber mixing technology, which is applied in the field of polymer materials and production automation, can solve the problems of increasing intermediate links, time-consuming and labor-intensive, and increased production costs, so as to improve production efficiency, prevent aging, and improve heat resistance and flex cracking resistance

Active Publication Date: 2011-12-28
SAILUN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when refining the next section of rubber, the rubber feeder cannot be used. The usual method is to use human power to cut the mixed rubber into pieces, and then transport them to the belt scale. This will increase unnecessary intermediate links, time-consuming and laborious increase in production costs

Method used

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  • One-step rubber mixing process for tires using trans isoprene rubber tpi
  • One-step rubber mixing process for tires using trans isoprene rubber tpi
  • One-step rubber mixing process for tires using trans isoprene rubber tpi

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Example 1, such as figure 2 As shown, the rubber compound formula using the primary rubber mixing process of tires contains the following main components according to the mass ratio:

[0031] Natural rubber, 54%;

[0032] Trans isoprene rubber TPI, 15%;

[0033] Carbon black N234, 23%;

[0034] Zinc oxide, 2.5%;

[0035] Stearic acid, 1.0%;

[0036] Antiaging agent 6PPD, 1.0%;

[0037] Antiaging agent RD, 1.3%;

[0038] Sulfur, 1.3%;

[0039] Accelerator TBBS, 0.5%;

[0040] Anti-scorch agent CTP, 0.2%;

[0041] Microcrystalline Wax, 0.2%.

[0042] The one-time rubber mixing process adopted is to put the trans isoprene rubber TPI and natural rubber into the internal mixer together, and the carbon black, zinc oxide, stearic acid and anti-aging agent in the rubber formula are all mixed in the internal mixer. input into the machine;

[0043] When the mixing temperature in the internal mixer reaches 160-165°C, the rubber material is discharged into the first sub...

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Abstract

With the present invention, a tire once-through-method rubber mixing process by using trans-isoprene rubber TPI is adopted. According to the present invention, in a case of adopting the trans-isoprene rubber TPI in a rubber material formulation, the once-through-method rubber mixing process is adopted, the rubber materials are stagedly added and uninterruptedly mixed until the final rubber compound is mixed. The once-through-method rubber mixing process comprises: adding 5-15% of the trans-isoprene rubber TPI to the rubber material formulation so as to replace partial natural rubber, wherein the ratio is the mass ratio. During the internal mixing process, the trans-isoprene rubber TPI and the natural rubber are added to an internal mixer, carbon black, zinc oxide, stearic acid and an antioxidant in the rubber material formulation are added in the internal mixer; when the mixing temperature of the internal mixer is 160-165 DEG C, the rubber material is discharged into the follow-up first open mill to carry out cooling treatment.

Description

technical field [0001] The invention relates to a tire primary rubber mixing process using trans isoprene rubber TPI, which belongs to the technical field of polymer materials and production automation. Background technique [0002] All-steel heavy-duty tires used in outdoor special places such as mining, aviation or port transportation, due to the harsh environment and heavy loads, usually cause large radial deformation of the tread rubber part in contact with the ground, local stress The points are too concentrated, so the rubber compound of the tread rubber must have wear resistance, low heat generation, heat resistance, and have considerable hardness and tear resistance. [0003] In order to meet the modified design of the above rubber compound, the existing improvement measure is to use a certain proportion of trans isoprene rubber TPI component in the rubber compound formula to partially replace the natural rubber, thereby improving the wear resistance of the rubber co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B7/00C08L7/00C08L9/00C08K13/02C08K3/04C08K3/22C08K5/09C08K3/06
Inventor 王斐宋建军徐静王宝金
Owner SAILUN GRP CO LTD
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