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Traceless tire tread rubber and preparation method thereof

A technology for tire tread and tread rubber, which is applied in the field of tire tread rubber and can solve the problem that marks are not easy to clean.

Active Publication Date: 2021-07-06
SICHUAN YUANXING RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Tires are made of a combination of various materials. Existing tires will have black marks on the ground when they rub against the ground during use, most of which are not easy to clean

Method used

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  • Traceless tire tread rubber and preparation method thereof
  • Traceless tire tread rubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Raw materials are prepared according to the following proportions by weight: natural rubber SVR3L: 60 parts; Exxpro TM Special elastomer: 40 parts; carbon black N134: 5 parts; white carbon black: 70 parts; zinc oxide: 3 parts; stearic acid: 1.5 parts; antioxidant 4020: 1.5 parts; accelerator CZ: 0.6 parts; 0.8 parts; super silane SI747: 3.5 parts.

[0018] The preparation method comprises the following steps:

[0019] (1) Natural rubber SVR3L, Exxpro TM The special elastomer is mixed with carbon black N134 in an internal mixer for 240 seconds to make a carbon black masterbatch, and it is parked for more than 2 hours;

[0020] (2) After the master batch film obtained in step 1) is masticated in the internal mixer for 30 seconds, add white carbon black, zinc oxide, stearic acid, anti-aging agent, super silane and mix in the internal mixer for 120 seconds, made into rubber compound;

[0021] (3) After the mixed rubber prepared in step 2) is parked for more than 4 hours...

Embodiment 2

[0023] Raw materials are prepared according to the following proportions by weight: natural rubber SVR3L: 30 parts; Exxpro TM Special elastomer: 70 parts; carbon black N134: 10 parts; white carbon black: 60 parts; zinc oxide: 2.5 parts; stearic acid: 1.5 parts; antioxidant 4020: 1 part; accelerator CZ: 0.6 parts; 0.8 parts; super silane SI747: 3.2 parts.

[0024] The preparation method is the same as in Example 1.

Embodiment 3

[0026] Raw materials are prepared according to the following proportions by weight: natural rubber SVR3L: 70 parts; Exxpro TM Special elastomer: 60 parts; carbon black N134: 8 parts; white carbon black: 60 parts; zinc oxide: 2 parts; stearic acid: 1.5 parts; antioxidant 4020: 1 part; accelerator CZ: 0.2 parts; sulfur: 0.5 parts; super silane SI747: 3.2 parts.

[0027] The preparation method is the same as in Example 1.

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Abstract

The invention discloses traceless tire tread rubber and a preparation method thereof. The traceless tire tread rubber is prepared from the following components in parts by weight: 30 to 70 parts of natural rubber, 70 to 30 parts of ExxproTM special elastomer, 5 to 10 parts of carbon black N134, 60 to 70 parts of white carbon black, 2 to 3 parts of zinc oxide, 1 to 1.5 parts of stearic acid, 0.5 to 1.5 parts of anti-aging agent, 0.1 to 0.6 part of accelerant, 0.5 to 1.0 part of sulfur and super silane SI747 which accounts for 5 to 8 percent of the white carbon black. By adopting the tire tread rubber material, the economic and safe use requirements of the tire can be met, and the effect that no trace is left on the ground after the tire is rubbed with the ground can be achieved.

Description

technical field [0001] The invention relates to the technical field of tire tread rubber, in particular to a non-marking tire tread rubber and a preparation method thereof. Background technique [0002] Tires are made of multiple materials, and existing tires will have black marks on the ground when they rub against the ground during use, most of which are not easy to clean. Today, with the rapid development of social economy, tires are necessary consumer goods for daily work and life. At present, in the tire industry, it has always been an industry development research to meet the relevant support, load, driving and other performance of the tire, and to meet the surface after driving without leaving traces, and to achieve better results in tire material costs and processing costs. direction. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a non-marking tire tread rubber and its preparation metho...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L23/28C08K13/04C08K7/26C08K3/04C08K3/22C08K5/09C08K3/06C08K5/548B60C1/00
CPCC08L7/00C08L23/283B60C1/0016C08K2003/2296C08K13/04C08K7/26C08K3/04C08K3/22C08K5/09C08K3/06C08K5/548Y02T10/86
Inventor 郑昌福古景根
Owner SICHUAN YUANXING RUBBER
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