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A kind of in-situ modified rubber composition for tire, tire and preparation method thereof

A rubber composition, in-situ modification technology, applied in special tires, tire parts, transportation and packaging, etc., can solve problems such as high rolling resistance, difficulty in dispersion, and non-compliance with the design concept of green tires

Active Publication Date: 2021-10-19
GUANGZHOU FENGLI RUBBER TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the popularization of the concept of green tires, the voice of designing environment-friendly tires is getting higher and higher. The introduction of EU labeling regulations has promoted tire companies to improve tire safety and reduce rolling resistance, thereby reducing fuel consumption of cars. The most effective way of rolling resistance is to use silica in the formula. However, as the amount of silica increases, it becomes more and more difficult to disperse in the tread. Poor dispersion of silica brings The only problem is that the dynamic hysteresis of the rubber is relatively high, so when applied to tires, it will cause high rolling resistance, which does not meet the design concept of green tires.

Method used

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  • A kind of in-situ modified rubber composition for tire, tire and preparation method thereof
  • A kind of in-situ modified rubber composition for tire, tire and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The present embodiment provides the first tire, and the specific preparation method is as follows:

[0055] 1. Preparation method of modified solution-polymerized styrene-butadiene rubber polymer:

[0056] In terms of weight: 265.8 kg of oil-filled solution-polymerized styrene-butadiene rubber, 38.6 kg of carbon black, and 0.54 kg of rubber modifier. Put the above composition materials into BB430 type internal mixer for mixing in turn, the rotor speed is 10-60r / min, the glue discharge temperature is 135°C, and then the sheet is discharged through the open mill, and the obtained modified solution-polymerized styrene-butadiene rubber polymer Record it as MB1.

[0057] 2. The preparation method of the tire:

[0058] By weight: MB1 is 113.6kg, NR is 28kg, carbon black is 17.6kg, silicon dioxide is 60Kg, silane coupling agent is 4.8Kg, oil is 15kg, zinc oxide is 3kg, stearic acid is 2kg, for The phenylenediamine antioxidant is 2kg, the quinoline antioxidant is 1kg, the pa...

Embodiment 2

[0060] The present embodiment provides the second tire, and the specific preparation method is as follows:

[0061] 1. Preparation method of modified solution-polymerized styrene-butadiene rubber polymer:

[0062] In terms of weight: 265.3 kg of oil-filled solution-polymerized styrene-butadiene rubber, 38.6 kg of carbon black, and 1.08 kg of rubber modifier. Put the above composition materials into BB430 type internal mixer for mixing in turn, the rotor speed is 10-60r / min, the glue discharge temperature is 135°C, and then the sheet is discharged through the open mill, and the obtained modified solution-polymerized styrene-butadiene rubber polymer Denote it as MB2.

[0063] 2. The preparation method of the tire:

[0064] By weight: MB2 is 114kg, NR is 28kg, carbon black is 17.6kg, silicon dioxide is 60Kg, silane coupling agent is 4.8Kg, oil is 15kg, zinc oxide is 3kg, stearic acid is 2kg, p-phenylene The diamine antioxidant is 2kg, the quinoline antioxidant is 1kg, the para...

Embodiment 3

[0066] The present embodiment provides the third kind of tire, and the specific preparation method is:

[0067] 1. Preparation method of modified solution-polymerized styrene-butadiene rubber polymer:

[0068] By weight: 263.9 kg of oil-filled solution-polymerized styrene-butadiene rubber, 38.39 kg of carbon black, and 2.69 kg of rubber modifier. Put the above composition materials into BB430 type internal mixer for mixing in turn, the rotor speed is 10-60r / min, the glue discharge temperature is 135°C, and then the sheet is discharged through the open mill, and the obtained modified solution-polymerized styrene-butadiene rubber polymer Recorded as MB3.

[0069] 2. The preparation method of the tire:

[0070] By weight: MB3 is 114.5kg, NR is 28kg, carbon black is 17.6kg, silicon dioxide is 60Kg, silane coupling agent is 4.8Kg, oil is 15kg, zinc oxide is 3kg, stearic acid is 2kg, for The phenylenediamine antioxidant is 2kg, the quinoline antioxidant is 1kg, the paraffin is 1....

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Abstract

The invention belongs to the technical field of tire manufacturing, and in particular relates to an in-situ modified rubber composition for tires, tires and a preparation method thereof. The invention provides an in-situ modified rubber composition for tires, comprising: modified solution-polymerized styrene-butadiene rubber polymer, second carbon black, silane coupling agent, silicon dioxide, activator, anti-aging agent, accelerator agent, sulfur and additives; wherein, the modified solution-polymerized styrene-butadiene rubber polymer is obtained by mixing solution-polymerized styrene-butadiene rubber, rubber modifier and the first part of carbon black. The tire prepared from the in-situ modified rubber composition for tires provided by the invention has the advantage of low rolling resistance.

Description

technical field [0001] The invention belongs to the technical field of tire manufacturing, and in particular relates to an in-situ modified rubber composition for tires, tires and a preparation method thereof. This application claims the rights and interests of the Chinese patent (patent application number 201811058132.4) submitted on September 11, 2018, and the entire content of the above application is hereby incorporated by reference Background technique [0002] The development of the automotive industry has benefited from substantial advances in the technology of the individual components themselves. As an important part of automobiles, tires have a direct impact on the progress of the automobile industry. [0003] With the popularization of the concept of green tires, the voice of designing environment-friendly tires is getting higher and higher. The introduction of EU labeling regulations has promoted tire companies to improve tire safety and reduce rolling resistanc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L9/06C08L7/00C08L9/00C08K3/04C08K3/36C08K3/06C08K3/22C08K5/09B60C1/00
CPCB60C1/0016C08K2003/2296C08L9/06C08L7/00C08L9/00C08K3/04C08K3/36C08K3/06C08K3/22C08K5/09Y02T10/86
Inventor 李键王志远周荣杰何顺雄曹晖邱艳舞
Owner GUANGZHOU FENGLI RUBBER TIRE
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