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Method for preparing hydrogenated nitrile rubber and chloroprene rubber blended vulcanized rubber

A technology for hydrogenated nitrile rubber and chloroprene rubber is applied in the field of vulcanizate preparation, which can solve the problems of poor mechanical properties and accelerated vulcanization speed of hydrogenated nitrile butadiene rubber, and achieve the improvement of poor mechanical properties, accelerated vulcanization speed, and excellent resistance to heat effect

Inactive Publication Date: 2011-06-29
宁波裕江特种胶带有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a preparation method of hydrogenated nitrile and neoprene blended vulcanizate for the above-mentioned current state of the art, which can effectively make up for the deficiency of hydrogenated nitrile rubber and expand the application of hydrogenated nitrile rubber The disadvantage of poor mechanical properties of hydrogenated nitrile rubber has been improved, and the processing performance of the rubber has also been significantly improved, the vulcanization speed has been significantly accelerated, and the vulcanization efficiency has been improved.

Method used

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  • Method for preparing hydrogenated nitrile rubber and chloroprene rubber blended vulcanized rubber
  • Method for preparing hydrogenated nitrile rubber and chloroprene rubber blended vulcanized rubber

Examples

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Effect test

Embodiment 1

[0026] A kind of preparation method of hydrogenated nitrile butadiene rubber and neoprene blend vulcanized rubber of the present embodiment, comprises the following steps:

[0027] Step 1, carrying out mastication respectively to hydrogenated nitrile rubber and chloroprene rubber;

[0028] Step 2, mixing the hydrogenated nitrile butadiene rubber and neoprene after masticating together for mixing and masticating;

[0029] Step 3. Cover the blended rubber material after mixing and masticating for 2 minutes, then add anti-aging agent, accelerator and active agent in sequence. After eating the material, turn 3 / 4 of the left and right cutters for 3 times;

[0030] Step 4. Thinly pass the lower slice of the blended rubber material, add reinforcing fillers, after the flour is eaten, 3 / 4 of the left and right cutters are turned over for 4 times, and the lower slice is thinly beaten into triangular bags for 3 times;

[0031] Step 5. Add plasticizer, disperse it into the rubber, and th...

Embodiment 2

[0042] A kind of preparation method of hydrogenated nitrile butadiene rubber and neoprene blend vulcanized rubber of the present embodiment, comprises the following steps:

[0043] Step 1, carrying out mastication respectively to hydrogenated nitrile rubber and chloroprene rubber;

[0044] Step 2, mixing the hydrogenated nitrile butadiene rubber and neoprene after masticating together for mixing and masticating;

[0045] Step 3. Cover the blended rubber material after mixing and masticating for 2 minutes, then add anti-aging agent, accelerator and active agent in sequence. After eating the material, turn 3 / 4 of the left and right cutters for 3 times;

[0046] Step 4. Thinly pass the lower slice of the blended rubber material, add reinforcing fillers, after the flour is eaten, 3 / 4 of the left and right cutters are turned over for 4 times, and the lower slice is thinly beaten into triangular bags for 3 times;

[0047] Step 5. Add plasticizer, disperse it into the rubber, and th...

Embodiment 3

[0058] A kind of preparation method of hydrogenated nitrile butadiene rubber and neoprene blend vulcanized rubber of the present embodiment, comprises the following steps:

[0059] Step 1, carrying out mastication respectively to hydrogenated nitrile rubber and chloroprene rubber;

[0060] Step 2, mixing the hydrogenated nitrile butadiene rubber and neoprene after masticating together for mixing and masticating;

[0061] Step 3. Cover the blended rubber material after mixing and masticating for 2 minutes, then add anti-aging agent, accelerator and active agent in sequence. After eating the material, turn 3 / 4 of the left and right cutters for 3 times;

[0062] Step 4. Thinly pass the lower slice of the blended rubber material, add reinforcing fillers, after the flour is eaten, 3 / 4 of the left and right cutters are turned over for 4 times, and the lower slice is thinly beaten into triangular bags for 3 times;

[0063] Step 5. Add plasticizer, disperse it into the rubber, and th...

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Abstract

The invention discloses a method for preparing a hydrogenated nitrile rubber and chloroprene rubber blended vulcanized rubber. The blended vulcanized rubber is prepared by blending and vulcanizing a hydrogenated nitrile rubber and a chloroprene rubber. The defect that the mechanical property of the hydrogenated nitrile rubber is relatively poor is obviously overcome after the chloroprene rubber and the hydrogenated nitrile rubber are blended; the material processability of the hydrogenated nitrile rubber is also obviously improved; the vulcanizing speed is obviously increased; the vulcanizing efficiency is improved; and the market price of the chloroprene rubber is much lower than that of the hydrogenated nitrile rubber, so that the cost of the product can be also greatly reduced after the chloroprene rubber is added into the hydrogenated nitrile rubber. The blended vulcanized rubber has the advantages of the hydrogenated nitrile rubber and the chloroprene rubber, makes up for the deficiencies of the hydrogenated nitrile rubber and the chloroprene rubber, can be widely applied at occasions having relatively high requirements on oil resistance, coldness resistance, heat resistance, fire retardance and the like, and also can be widely applied in fields, such as transmission belts, conveyer belts, sealing rings, rubber pipes, rubber belts and the like.

Description

technical field [0001] The invention relates to a preparation method of vulcanized rubber, in particular to a preparation method of hydrogenated nitrile and neoprene blended vulcanized rubber. Background technique [0002] Hydrogenated nitrile rubber is the hydrogenated product of nitrile rubber, because its structure contains a strong polar group nitrile group, and the main chain is highly saturated, so it has excellent heat resistance, high temperature resistance, high pressure resistance, oil resistance, ozone resistance, Resistance to weathering and abrasion. But at the same time, it is precisely because hydrogenated nitrile rubber contains strong polar nitrile groups, which makes the flexibility of the molecular chain poor, so the processing performance of hydrogenated nitrile rubber is poor, which is manifested by low mastication effect and low mixing efficiency. Difficult to operate, high heat generation in the mixing process, large shrinkage and expansion during cal...

Claims

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Application Information

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IPC IPC(8): C08L15/00C08L11/00B29B7/00B29C35/02
Inventor 钟国伦黄小明俞旭明邵文龙王滕滕马锋
Owner 宁波裕江特种胶带有限公司
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