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A kind of mixing process of red butyl rubber

A butyl rubber and mixing technology, which is applied in the field of rubber, can solve the problems such as the inconspicuous toning effect, and achieve the effects of improving the toning effect, compacting the section, and improving the quality

Active Publication Date: 2019-05-28
HUBEI HUAQIANG HIGH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of mixing process method of red butyl rubber, which can meet the special requirements of the market and solve the problem of the adsorption of red pigment due to fillers. And the problem that the toning effect of the red pigment is not obvious, improve the toning effect of the pigment, improve the quality of the compound rubber, stabilize the product performance, improve the appearance performance of the vulcanized product, and meet the needs of actual production

Method used

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  • A kind of mixing process of red butyl rubber
  • A kind of mixing process of red butyl rubber
  • A kind of mixing process of red butyl rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In this example, 9kg of filler, 9kg of titanium dioxide, 3kg of softener, 15kg of accelerator, 186kg of pottery clay, and 9kg of red pigment, the ratio of pottery clay in step (2) to step (3) is 1:1.

[0023] A mixing process method of red butyl rubber, comprising the following steps:

[0024] (1) Carry out raw rubber mastication, then put in filler, titanium dioxide, softener, accelerator, and carry out three-minute pressing and banburying;

[0025] (2) Put in half of the pottery clay and red pigment, and press and banbury for three minutes;

[0026] (3) Put in the other half of the pottery clay, and press and banbury for four minutes;

[0027] (4) The temperature is raised to 110°C and then the rubber is discharged, and the vulcanizing agent is added to the open mill.

[0028] Wherein, the filler in the step (1) is precipitated hydrated silica, and the red pigment in the step (2) is ferric oxide.

Embodiment 2

[0030] In this example, 9kg of filler, 9kg of titanium dioxide, 3kg of softener, 15kg of accelerator, 186kg of pottery clay, and 9kg of red pigment, the ratio of pottery clay in step (2) to step (3) is 1:1.

[0031] A mixing process method of red butyl rubber, comprising the following steps:

[0032] (1) Carry out raw rubber mastication, then drop into precipitated hydrated silica, titanium dioxide, softener, accelerator, and carry out three-minute pressing and banburying;

[0033] (2) Put half potter's clay and ferric oxide into, carry out three-minute pressing banburying;

[0034] (3) Put in the other half of the pottery clay, and press and banbury for four minutes;

[0035] (4) The temperature is raised to 120°C and then the rubber is discharged, and the vulcanizing agent is added to the open mill.

[0036] Wherein, the filler in the step (1) is precipitated hydrated silica, and the red pigment in the step (2) is ferric oxide.

Embodiment 3

[0038] In this example, 9kg of filler, 9kg of titanium dioxide, 3kg of softener, 15kg of accelerator, 186kg of pottery clay, and 9kg of red pigment, the ratio of pottery clay in step (2) to step (3) is 1:1.

[0039] A mixing process method of red butyl rubber, comprising the following steps:

[0040] (1) Carry out raw rubber mastication, and then put in precipitated hydrated silica, titanium dioxide, soft

[0041] (2) Put half potter's clay and ferric oxide into, carry out three-minute pressing banburying;

[0042] (3) Put in the other half of the pottery clay, and press and banbury for four minutes;

[0043] (4) After the temperature rises to 130°C, the rubber is discharged, and the vulcanizing agent is added to the open mill.

[0044] Wherein, the filler in the step (1) is precipitated hydrated silica, and the red pigment in the step (2) is ferric oxide.

[0045] The mixing process of the red butyl rubber of embodiment 2 of the present invention, the test index of its mix...

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Abstract

The invention discloses a red butyl rubber mixing technology. The technology includes the following steps that firstly, raw rubber plastifying is conducted, then a filler, titanium dioxide, a softener and an accelerator are added, and press fit internal mixing is conducted for three minutes; secondly, half of clay and a red pigment are added again, and press fit internal mixing is conducted for three minutes; thirdly, the other half of clay is added, and press fit internal mixing is conducted for four minutes; and finally rubber materials are discharged, and a vulcanizing agent is added to an open mill. By means of the red butyl rubber mixing technology, the problem that the color mixing effect of the red pigment is not obvious due to the fact that the filler adsorbs the red pigment can be solved; the color mixing effect of the pigment is improved, the quality of mixed rubber is improved, product performance is stabilized, the appearance property of vulcanizate is improved, and the actual production requirements are met.

Description

technical field [0001] The patent of the invention belongs to the technical field of rubber and relates to a mixing process method, in particular to a mixing process method of red butyl rubber. Background technique [0002] At present, the rubber compounds produced by most domestic rubber manufacturers are gray or black, and there are few colored rubber compounds. However, the foreign market still needs colored butyl rubber products. [0003] The patent document with the notification number CN104530507A discloses a method for mixing low-hardness nitrile rubber. The principle of this method is similar to that of this patent, that is, to control the rubber discharge temperature of the internal mixing, but this method does not disclose the influence of the feeding sequence on the rubber compound. [0004] When red butyl rubber is mixed, it generally adopts the following method: raw rubber mastication - input of filler and red pigment - input of small materials - discharge of r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B7/02B29B7/30C08L23/22C08K13/04C08K3/22C08K3/34C08K3/36C08K7/24
Inventor 谭娟王东民楚文军王瑞杨静吴霞
Owner HUBEI HUAQIANG HIGH TECH CO LTD
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