Method and equipment for evaluating dispersion degree of white carbon black in rubber material and computer readable carrier medium

A technology of dispersion degree and silica, applied in the direction of analyzing materials, material inspection products, flow characteristics, etc., can solve problems such as affecting the final performance of rubber compounds

Active Publication Date: 2022-01-04
ZHONGCE RUBBER GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the silica is dispersed in the mixing section, and the silica will still agglomerate during the subsequent parking process, which will affect the final performance of the compound.

Method used

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  • Method and equipment for evaluating dispersion degree of white carbon black in rubber material and computer readable carrier medium
  • Method and equipment for evaluating dispersion degree of white carbon black in rubber material and computer readable carrier medium
  • Method and equipment for evaluating dispersion degree of white carbon black in rubber material and computer readable carrier medium

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Experimental program
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Embodiment Construction

[0037] EXAMPLES By using different silane coupling agents and different processes to improve the dispersion of silica formulations, and then using a rubber flow analyzer to measure the flow value of each scheme, the dispersion of silica is calculated.

[0038] Test formulas A-D, standard formulas, and silane-free coupling agent formulas are shown in Table 1:

[0039] Table 1 embodiment formula table

[0040] raw material Option A Option B Plan C Plan D Standard formula Silane Free Formula Solution Polystyrene Butadiene Rubber 70.0 70.0 70.0 70.0 70.0 70.0 Butadiene rubber 30.0 30.0 30.0 30.0 30.0 30.0 Silica 80.0 80.0 80.0 80.0 80.0 80.0 Silane coupling agent Si69 7.0 7.0 7.0 Silane coupling agent Si747 12.98 Silane coupling agent Si137 7.33 softening oil 31.25 31.25 31.25 31.25 31.25 31.25 other 10.1 10.1 10.1 11.24 11.67 10.1 total number of copies 2...

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Abstract

The invention relates to the technical field of detection of rubber materials in the tire industry, and in particular relates to a method and equipment for evaluating the dispersion degree of white carbon black in a rubber material and a computer readable carrier medium. The invention relates to the method for evaluating the dispersion degree of white carbon black in the rubber material. The method comprises the following steps: 1) acquiring a flow value F, a flow value F standard and a flow value Fno silane; 2) based on the dispersion degree of the white carbon black of the flow value, calculating the dispersion degree D according to a formula. The smaller the dispersity D is, the better the dispersion of the surface white carbon black is. According to the invention, the flow value of the rubber material is tested through the rubber material flow analyzer so as to evaluate the agglomeration degree of the filler network in the white carbon black formula so as to evaluate the white carbon black dispersion degree, and the method has characteristics of quantification, simple operation and strong reproducibility. The method can be used for evaluating the advantages and disadvantages of different types of white carbon black, and can also be used for guiding the process adjustment and performance optimization of a white carbon black formula.

Description

technical field [0001] The invention relates to the technical field of detection of rubber materials in the tire industry, in particular to an evaluation method, equipment and computer-readable carrier medium for evaluating the degree of dispersion of white carbon black in rubber materials. Background technique [0002] In the tire industry, compared with traditional carbon black, silica has better performance advantages in low rolling resistance and high wet grip, and has been increasingly used by tire factories. Silica is hydrophilic, there are many silanol groups on the surface, and the compatibility with rubber is poor. It is often necessary to use a silane coupling agent. The ethoxy group at one end of the silane coupling agent can interact with the silicon The hydroxyl group reacts, and the sulfur-containing alkyl group at the other end can cross-link with the rubber chain, thereby improving the compatibility between silica and rubber and improving the dispersion of si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/44G01N11/00
CPCG01N33/445G01N11/00Y02T10/86
Inventor 承齐明倪宝王丹灵
Owner ZHONGCE RUBBER GRP CO LTD
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