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Preparation method of multifunctional rubber synthesized on basis of nitrile rubber

A nitrile-butadiene rubber and multi-functional technology, applied in the rubber field, can solve the problems of unstable storage and poor cold resistance of raw rubber, and achieve the effects of low rubber cost, long service life and simple preparation process.

Inactive Publication Date: 2018-04-03
成都米利得科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of chloroprene rubber are electrical insulation performance, poor cold resistance, and raw rubber is unstable during storage.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of preparation method of the multifunctional rubber synthesized based on nitrile rubber of the present embodiment is made from the following raw materials in parts by mass: nitrile rubber 25-40, chlorohydrin rubber 60-70, modified chloroprene rubber 20-50, carbon black 10-20, decabromodiphenylethane 4-5, magnesium oxide 12-18, vulcanizing agent 1-1.5, stearic acid 4-6, zinc oxide 5-8, antioxidant 7-10 , Flame retardant 8-15, 2-dihydroquinoline polymer 1-2. Its preparation method comprises the following steps:

[0021] Step S1: weighing each component according to the above parts by weight;

[0022] Step S2: Add modified neoprene rubber, chlorohydrin rubber, and nitrile rubber into a mixing container, place the mixing container in an ultrasonic instrument, start the ultrasonic instrument, and turn off the ultrasonic instrument after 15-20 minutes;

[0023] Step S3: Add carbon black, decabromodiphenylethane, magnesium oxide, dihydroquinoline polymer, stearic acid...

Embodiment 2

[0027] This embodiment is further optimized on the basis of Example 1. In the step S1, each component is weighed according to the following mass parts: chlorohydrin rubber 60, modified neoprene rubber 20, carbon black 15, nitrile rubber 25. Decabromodiphenylethane 4, Magnesium Oxide 12, Vulcanizing Agent 1, Stearic Acid 4, Zinc Oxide 5, Antiaging Agent 7, Flame Retardant 8, 2-Dihydroquinoline Polymer 1.

[0028] Other parts of this embodiment are the same as those of Embodiment 1, so details are not repeated here.

Embodiment 3

[0030] This embodiment is further optimized on the basis of Example 2. In the step S1, each component is weighed according to the following mass parts: chlorohydrin rubber 70, modified neoprene rubber 50, carbon black 30, nitrile rubber 40, decabromodiphenylethane 5, magnesium oxide 18, vulcanizing agent 1.5, stearic acid 6, zinc oxide 8, anti-aging agent 10, flame retardant 15, 2-dihydroquinoline polymer 2.

[0031] Other parts of this embodiment are the same as those of Embodiment 2, so details are not repeated here.

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Abstract

The invention discloses a preparation method of a multifunctional rubber synthesized based on nitrile rubber, which is made of the following raw materials in parts by mass: nitrile rubber 25-40, chlorohydrin rubber 60-70, modified chloroprene rubber 20‑50, carbon black 10‑20, decabromodiphenylethane 4‑5, magnesium oxide 12‑18, vulcanizing agent 1‑1.5, stearic acid 4‑6, zinc oxide 5‑8, antioxidant 7‑10 , flame retardant 8‑15, 2‑dihydroquinoline polymer 1‑2. It can be made of temperature and cold resistance through a simple preparation method. Not only the cost of rubber is low, the effect of chemical corrosion resistance is good, but also the preparation process is simple, easy to industrialize, and it has excellent flame retardancy, stability, heat resistance, and no rubber. It is non-toxic and environmentally friendly, can effectively reduce environmental pollution, and has a long service life.

Description

technical field [0001] The invention relates to the field of rubber, in particular to a method for preparing multifunctional rubber synthesized based on nitrile rubber. Background technique [0002] Rubber Highly elastic polymer material with reversible deformation. It is elastic at room temperature, can produce large deformation under a small external force, and can return to its original shape after the external force is removed. Rubber is a completely amorphous polymer, its glass transition temperature (Tg) is low, and its molecular weight is often large, greater than hundreds of thousands. Rubber is a highly elastic polymer, its molecular structure is chain, and the molecular chain has high flexibility. The molecular chain of rubber can be cross-linked (vulcanized), and the cross-linked material has the ability to recover quickly when it is deformed by an external force, and has good physical and mechanical properties and chemical stability. Only through cross-linking...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/03C08L9/02C08L15/00C08K13/02C08K3/04C08K3/22C08K5/09
CPCC08L71/03C08K2003/222C08K2003/2296C08L2201/02C08L2201/08C08L2205/03C08L9/02C08L15/00C08K13/02C08K3/04C08K3/22C08K5/09
Inventor 杨素杰
Owner 成都米利得科技有限公司
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