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Heat resisting rubber tube

A technology of heat-resistant rubber and butyl rubber, applied in the direction of hoses, pipes, pipes/pipe joints/fittings, etc., can solve problems such as loss of function, waste of heat-resistant rubber tubes, poor heat resistance, etc., to achieve extended product The effect of life and heat resistance improvement

Inactive Publication Date: 2013-04-17
XIAN ZHITAI RUBBER & PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, rubber tubes are widely used in various fields, but the heat resistance of rubber tubes on the existing market is generally not good. It is easy to cause premature aging, cracking and stickiness on the surface when used at high temperatures, and the surface will appear for a long time. The heat-resistant rubber tube is discarded due to the loss of its function due to falling blocks

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0023] The specific component content of the heat-resistant rubber tube of the present embodiment is calculated by weight percentage:

[0024] Butyl rubber: 80 grams; sulfur 1 gram; accelerator M 0.3 grams; accelerator TT 0.8 grams; zinc oxide 3 grams; magnesium oxide 3 grams; stearic acid 0.8 grams; paraffin wax 2 grams; heat-resistant aging agent D 1 gram ; 50 grams of aluminum silicate; 40 grams of calcium carbonate; 1 gram of anti-aging agent MB.

[0025] The production method of this heat-resistant rubber tube comprises and steps:

[0026] (a) Add 80 grams of butyl rubber to the rubber mixing machine. After mixing for 2 minutes, add 1 gram of sulfur, 3 grams of zinc oxide, 3 grams of magnesium oxide, 0.8 grams of stearic acid, 2 gram of paraffin pounded evenly;

[0027] (b) Then adjust the roll distance to 5mm, add 0.3g of accelerator M, 0.8g of accelerator TT, 1g of heat-resistant aging agent D, 50g of aluminum silicate, 1g of antioxidant MB, and 40g of calcium carbona...

Embodiment 2

[0034] The production process of this embodiment is basically the same as that of Example 1, except that the component ratio of the heat-resistant rubber tube is different. The specific component content of the heat-resistant rubber tube in Example 2 is calculated in weight percent:

[0035] 100 grams of butyl rubber; 1.5 grams of sulfur; 0.4 grams of accelerator M; 1 gram of accelerator TT; 4 grams of zinc oxide; 4 grams of magnesium oxide; 1 gram of stearic acid; 3 grams of paraffin; 65 grams of aluminum acid; 50 grams of calcium carbonate; 2 grams of anti-aging agent MB.

Embodiment 3

[0037] The production process of this embodiment is basically the same as that of Example 1, except that the component ratios of the heat-resistant rubber tube are different. The specific component content of the heat-resistant rubber tube in Example 3 is calculated in weight percent:

[0038] Butyl rubber: 120 grams; 2 grams of sulfur; 0.5 grams of accelerator M; 1.2 grams of accelerator TT; 5 grams of zinc oxide; 5 grams of magnesium oxide; 1.2 grams of stearic acid; 4 grams of paraffin; heat-resistant aging agent D 1.3 grams; 80 grams of aluminum silicate; 60 grams of calcium carbonate; 3 grams of antioxidant MB.

[0039] The unit of each component is not limited to the grams in the examples, as long as the ratios are consistent with each other, units such as kilograms, kilograms, and catties can be used.

[0040] Performance comparison of three kinds of embodiment schemes:

[0041]

[0042] The scheme described in embodiment 2 is compared with current market product: ...

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Abstract

The invention discloses a heat resisting rubber tube which is characterized by comprising the following concrete components in parts by weight: 80-120 parts of butyl rubber, 1-2 parts of sulphur, 0.3-0.5 part of accelerator M, 0.8-1.2 parts of accelerator TT, 3-5 parts of zinc oxide, 3-5 parts of magnesium oxide, 0.8-1.2 parts of stearic acid, 2-4 parts of paraffin, 1-1.3 parts of heat ageing additive D, 50-80 parts of aluminium silicate, 40-60 parts of calcium carbonate and 1-3 parts of anti-aging agent MB. According to the invention, the heat ageing additive is added in the formula in a certain proportion, the performance of absorbing heat oxidizing free atoms is increased at the high temperature in the rubber and the contact and the reaction between the heat oxidizing free atoms and the main chain of the rubber are avoided, so that compared with a conventional rubber tube, the heat resisting rubber tube is remarkably increased in the aspect of the heat resisting property.

Description

technical field [0001] The invention relates to the field of rubber, in particular to a heat-resistant rubber tube. Background technique [0002] At present, rubber tubes are widely used in various fields, but the heat resistance of rubber tubes on the existing market is generally not good. It is easy to cause premature aging, cracking and stickiness on the surface when used at high temperatures, and the surface will appear for a long time. If it falls off, it loses its function, and the heat-resistant rubber tube is discarded. Contents of the invention [0003] The object of the present invention is to provide a rubber hose with good heat resistance, thereby prolonging the service life of the rubber hose. [0004] The technical scheme adopted by the present invention to solve its technical problems is: a heat-resistant rubber tube, which is at least butyl rubber, and is characterized in that it also includes sulfur, accelerator M, accelerator TT, zinc oxide, magnesium ox...

Claims

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Application Information

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IPC IPC(8): C08L23/22C08K13/02C08K3/06C08K3/22C08K5/09C08K3/26C08K3/34C08K5/37F16L11/04
Inventor 党保军
Owner XIAN ZHITAI RUBBER & PLASTIC IND
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