Application of continuously prepared rubber master batch in truck tire base

A technology for rubber masterbatch and truck tires is applied in the production of continuous preparation of rubber masterbatch, the production of truck tire base rubber from masterbatch, and the production of rubber raw materials. , complex preparation process and other problems, to achieve the effect of improving service life, reducing heat accumulation, and simplifying mixing process

Inactive Publication Date: 2015-02-25
EVE RUBBER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent CN102516418A also only involves the production process of inserting fillers into natural rubber latex, which cannot meet the application requirements of different parts of tires
In CN102414270A, the application of wet masterbatch rubber composition in tires is mentioned. The wet masterbatch preparation process involved in this patent is to prepare respectively: A, white turbid rubber chemical dispersion (antiaging agent, wax , at least one of stearic acid and resin), B, rubber latex, C, filler slurry, and then after mixing the two liquids prepared therein, they are mixed with another liquid. This preparation process is complicated and requires a separate Preparation of cloudy rubber chemical dispersion, and the types of chemicals are limited, only mentioning at least one of anti-aging agent, wax, stearic acid and resin

Method used

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  • Application of continuously prepared rubber master batch in truck tire base
  • Application of continuously prepared rubber master batch in truck tire base

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Add 50 parts of N330 carbon black into 100 parts of natural rubber n-hexane solution, mix, inject continuously into the coagulator for coagulation, and then remove solvent and dry to obtain masterbatch A1.

[0052] After mixing 50 parts of white carbon black Newsil1165, 8 parts of silane coupling agent TESPT, and 100 parts of natural rubber n-hexane solution, they were continuously injected into the coagulator for coagulation, and then desolventized and dried to obtain masterbatch B1.

[0053] Add masterbatch A1 and masterbatch B1 to a total of 100phr of rubber, and add them to the internal mixer according to the ratio of 1:1, mix evenly, add 2 parts of stearic acid, 5 parts of zinc oxide, 1 part of protective wax, and 1.5 parts of anti-aging Agent RD, 2 parts of anti-aging agent 4020, after the mixed rubber is parked for 8 hours, add 1.5 parts of accelerator NS, 2.5 parts of insoluble sulfur HD OT20 in the internal mixer and mix, and the mixed rubber is parked for 8 hou...

Embodiment 2

[0060] Add 40 parts of N550 carbon black into 100 parts of natural rubber n-hexane solution, mix, inject continuously into the coagulator for coagulation, and then remove solvent and dry to obtain masterbatch A2.

[0061] After mixing 40 parts of white carbon black Newsil1165, 8 parts of silane coupling agent TESPT, and 100 parts of natural rubber n-hexane, they were continuously injected into the coagulator for coagulation, and then desolventized and dried to obtain masterbatch B2.

[0062] Add masterbatch A2 and masterbatch B2 to a total of 100phr according to the rubber, and add them to the internal mixer according to the ratio of 1:1. After mixing evenly, add 2 parts of stearic acid, 5 parts of zinc oxide, 1 part of protective wax, and 1.5 parts of anti-aging Add 1.4 parts of accelerator NS and 2.5 parts of insoluble sulfur HD OT20 to the internal mixer after the mixed rubber is parked for 8 hours, and then mix it with a flat vulcanizer after the mixed rubber is parked for ...

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Abstract

The invention relates to application of a continuously prepared rubber master batch in a truck tire base, which comprises the following steps: a) adding carbon black into a rubber-solvent rubber solution, mixing, continuously injecting into a condenser for condensation, removing the solvent, and drying to obtain a carbon black master batch; b) adding silica white and a coupling agent into the rubber-solvent rubber solution, mixing, continuously injecting into a condenser for condensation, removing the solvent, and drying to obtain a silica white master batch; c) adding the carbon black master batch and a silica white master batch into a Banbury mixer, uniformly mixing, adding an anti-aging agent, an activator and / or oil, compounding uniformly, and standing; d) adding a vulcanizing agent and an accelerator, and continuing compounding uniformly to obtain truck tire base compounded rubber; and e) vulcanizing the truck tire base compounded rubber to obtain the truck tire base vulcanized rubber.

Description

technical field [0001] The invention relates to the field of rubber raw material production and the technical field of tire production, in particular to the technical field of continuous preparation of rubber masterbatch and the field of producing truck tire base rubber using the masterbatch prepared by the method. Background technique [0002] So far, most tire manufacturers still use the traditional mixing process, that is, adding rubber, fillers and additives to large-scale mixing equipment for mixing. The disadvantage of using this kind of mixing process is that the mixing site is large, the mixing time is long, and the energy consumption is high. And using this mixing process, the mixing quality of the mixed rubber is greatly affected by equipment and process fluctuations, which has a certain impact on the quality stability of the mixed rubber. [0003] In recent years, the application of masterbatch prepared by related liquid phase mixing in the tire manufacturing pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/24C08J3/22C08L7/00C08K13/02C08K3/36C08K3/04B29C35/02B29B7/74
Inventor 周宏斌石超王宝金张元洪
Owner EVE RUBBER RES INST
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