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High-dispersion stable rubber material

A rubber material, high dispersion technology, applied in the field of rubber, can solve the problems of unstable storage and poor cold resistance of raw rubber, to improve viscosity and resistance to tensile deformation, promote dispersion effect, and improve flex crack resistance Effect

Inactive Publication Date: 2015-09-16
FUYANG ANGU BOILER PRESSURE VESSEL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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Embodiment 1

[0016] A high dispersion stable rubber material is characterized in that it is made up of the following raw materials in parts by weight:

[0017] Antiaging agent D 3, vulcanizing agent MOCA3, phytosterol 2.4, kaolin 46, propylene glycol alginate 8, dimethylaminopropylamine 1, chlorinated paraffin 4, potassium bisulfate 0.3, 8-10% sulfuric acid 0.6, melamine 30, 37% formaldehyde solution 5, urea 10, microcrystalline cellulose 6-10, isopropanol 1.2, maleic anhydride 3, neoprene S40V 230.

[0018] A preparation method for a highly dispersed and stable rubber material, comprising the following steps:

[0019] (1) Add microcrystalline cellulose to 3 times of water, add isopropanol and maleic anhydride, stir evenly, add 10% sulfuric acid, react in a water bath at 60°C for 7 hours, adjust the pH to neutral, evaporate under reduced pressure Water and isopropanol are removed to obtain anhydride cellulose;

[0020] (2) Add potassium hydrogen sulfate to 10 times of water, stir evenly,...

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Abstract

The invention discloses a high-dispersion stable rubber material composed of the following raw materials, by weight: 3-4 parts of an anti-aging agent D, 2-3 parts of a vulcanizing agent MOCA, 1-2.4 parts of phytosterol, 40-46 parts of white clay, 6-8 parts of propylene glycol alginate, 1-3 parts of dimethylaminopropylamine, 3-4 parts of chlorinated paraffin, 0.3-1 parts of potassium bisulfate, 0.2-0.6 parts of 8-10% sulfuric acid, 26-30 parts of melamine, 5-8 parts of a 37% formaldehyde solution, 7-10 parts of urea, 6-10 parts of microcrystalline cellulose, 1-1.2 parts of isopropyl alcohol, 3-4 parts of maleic anhydride, and 210-230 parts of neoprene S40V. According to the invention, under the crosslinking effect of maleic anhydride, microcrystalline cellulose can form a closer network structure in melamine resin formed by melamine, urea and formaldehyde. With an added dispersing agent, the dispersion effect of cellulose in resin can be effectively promoted; compatibility can be improved; resin viscosity and tensile deformation resistance can be greatly improved; and certain reinforcement and tackification effects are performed in the rubber material. Therefore, flexure cracking resistance, hot air aging resistance and stability of the material are improved.

Description

technical field [0001] The invention mainly relates to the field of rubber, in particular to a highly dispersed and stable rubber material. Background technique [0002] Chloroprene rubber is made of chloroprene as the main raw material through homopolymerization or copolymerization of a small amount of other monomers. Such as high tensile strength, excellent heat resistance, light resistance, aging resistance, and oil resistance are superior to natural rubber, styrene-butadiene rubber, and butadiene rubber. It has strong flame resistance and excellent flame retardancy resistance, high chemical stability and good water resistance. The disadvantage of chloroprene rubber is that it has poor electrical insulation performance and cold resistance, and the raw rubber is unstable during storage. Neoprene is widely used, such as used to make conveyor belts and transmission belts, sheathing materials for wires and cables, to make oil-resistant hoses, gaskets, and chemical-resis...

Claims

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Application Information

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IPC IPC(8): C08L11/00C08L61/32C08G12/40C08K13/02C08K5/05C08K3/34C08K3/30C08K5/17
Inventor 傅贵轩陈子育赵志刚刘云飞付丽丽张涛刘长征葛哲骏
Owner FUYANG ANGU BOILER PRESSURE VESSEL MFG
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