A kind of mixing method of natural rubber using farrel K6 internal mixer

A technology of natural rubber and internal mixer, applied in the direction of rolling resistance optimization, road transportation emission reduction, etc., can solve the problems of inability to process, low systematic efficiency, etc., and achieve the effect of reducing the number of commissioning

Active Publication Date: 2022-08-09
建新赵氏科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the formulation methods of the internal mixing process are to continuously adjust various parameters according to the feedback from the site. This method cannot make the process formulation process-oriented, systematic and inefficient

Method used

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  • A kind of mixing method of natural rubber using farrel K6 internal mixer
  • A kind of mixing method of natural rubber using farrel K6 internal mixer
  • A kind of mixing method of natural rubber using farrel K6 internal mixer

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Equipment: Farrel K6 secret refining machine

[0027] Natural rubber: A rubber SCR5

[0028] Analyze the composition of glue formula, select the fill coefficient and mixed process according to previous experience, and perform the first trial mixing. figure 2 Show.

[0029] like figure 2 It is shown in the schematic diagram of various curves with a reasonable curve of the A rubber SCR5 mixed process. When 90 % of the materials are invested, the power values ​​of the curves of each section of the curves are in a reasonable range; all the power curves are also above the 250kW reference line; the mixed time of each section is in the reasonable range; Turned to calm and slow down, indicating that the rubber has reached the "plasticization" stage. Based on the above aspects, this mixed process is determined to be qualified. Through this system, the processing process of the process of process has reduced the number of debugging times to a large extent, and the rationality of the ...

Embodiment 2

[0031] Equipment: Farrel K6 secret refining machine

[0032] Natural rubber: B rubber SCR20

[0033] Specific operation steps:

[0034] (1) Analyze the composition of the glue formula, select the filling coefficient and mixed process according to previous experience, and perform the first trial mixing, the power, speed, and temperature curve of the mix image 3 Show;

[0035] (2) Analysis image 3 Send the following information: Although the first section of the raw glue plastic section is only invested by a small part of the material, the materials in the secret refining machine are far from 90 %, but at the speed of 35R / min The rational range of 350kW ~ 600KW at this speed; the power of the last section reached 200kW to 300kW at a speed of 15R / min, and the reasonable power range under 20R / min was 200kW ~ 350kW; After that, the curve segment of more than 1 / 2 is below the 250kW reference line. Based on the above, it is determined that the coordination of rubber production is too lar...

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Abstract

The invention discloses a mixing method for natural rubber by using a Farrel K6 internal mixer. The mixing steps of the natural rubber in the present invention include: 1) selecting an empirical filling factor and a mixing process, and performing the first trial mixing; 2) passing more than 90% of the materials into the internal mixer and the power value and 250kw power Baseline to comprehensively determine the rationality of the production compounding amount; 3) After the compounding amount is confirmed to be reasonable, adjust the speed of each step to control the heating rate of the rubber compound so as to balance the power and mixing time to ensure that the compound in each step obtains enough 4) Adjust the area under the line of the entire power curve through the control conditions of each step to ensure that the rubber compound of the whole vehicle obtains the necessary work, reaches or is close to the "plasticization" stage, and ensures the stability of the quality of the compounded rubber. The beneficial effects of the invention are that the mixing process is streamlined and systematic, the debugging times are reduced to a great extent, and the rationality of the mixing process can be quantified.

Description

Technical field [0001] The present invention is a rubber material technology field, which involves mixed glue dense refining technology, especially the use of Farrel K6 secret refining machines for natural rubber methods. Background technique [0002] Natural rubber is the most traditional and most wide range of universal rubber. It belongs to the self -supplementary strong rubber. When the stretch is generated, the macromolecular chain will form a crystallization along the stress and rest assured orientation. There is also a high mechanical strength, which can be used in the production of high -performance rubber products. When using natural rubber products to produce rubber products, you can choose two ways: driving and densely refining. The dense refining is carried out in the rubber dense refining machine. It is divided into a mixed and second -stage mix. [0003] A section of mixing is the mix that does not stop during the mixing process. And other vulcanizers, super -promot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B7/28
CPCB29B7/28Y02T10/86B29B7/7495B29B7/183B29B7/823
Inventor 宋炜田安伟李恒荣李剑汪海峰胡旻晓
Owner 建新赵氏科技股份有限公司
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