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Fabric core flame-retardant oil-resistant conveyor belt cover rubber for general use and preparation method thereof

A fabric core and conveyor belt technology, applied in belts, applications, household appliances, etc., can solve problems such as brand image loss, user difficulties, delamination of cover glue and fabric core, etc., to meet the working conditions of materials and improve adhesion and flame retardant performance, the effect of prolonging the service life

Pending Publication Date: 2021-04-20
WUXI BOTON TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, a few manufacturers of oil-resistant and flame-retardant conveyor belts in China have started production, but in the actual production process, on the one hand, air bubbles are easily generated inside the covering rubber, and surface defects such as bright scars are prone to occur on the surface of the covering rubber, which makes the surface quality of oil-resistant and flame-retardant conveyor belts poor. Qualified, it is difficult for users to accept, and the phenomenon of rejection and return often occurs, which brings many tangible economic losses and intangible brand image losses to oil-resistant and flame-retardant conveyor belt manufacturers; The phenomenon of delamination between the covering rubber and the fabric core affects the service life of the conveyor belt. Manufacturers of oil-resistant and flame-retardant conveyor belts often receive complaints from customers and recall their own oil-resistant and flame-retardant conveyor belt products. In view of this, the present invention came into being

Method used

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  • Fabric core flame-retardant oil-resistant conveyor belt cover rubber for general use and preparation method thereof
  • Fabric core flame-retardant oil-resistant conveyor belt cover rubber for general use and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Take the following parts by weight of each component raw material as required: take the following parts by weight of each component raw material: nitrile rubber is 70 parts by weight, styrene-butadiene rubber is 30 parts by weight, carbon black is 50 parts by weight, flame retardant 40 parts by weight, 2.5 parts by weight of anti-aging agent, 6.5 parts by weight of super zinc active agent, 7.5 parts by weight of thickening flame retardant resin, and 2.0 parts by weight of sulfur.

[0025] The preparation steps are as follows:

[0026] (1) Preparation of one-stage mixed rubber: masticate 70 parts by weight of nitrile rubber in an open mill for 10 minutes, add 30 parts by weight of styrene-butadiene rubber, mix for 15 minutes, roll up, and park for 8 hours. Put into internal mixer and heat-cure for 30-50 seconds, then add 2.5 parts by weight of anti-aging agent, 40 parts by weight of flame retardant, 6.5 parts by weight of super zinc activator, 7.5 parts by weight of tack...

Embodiment 2

[0031] Get each component raw material of following weight parts as required:

[0032] Nitrile rubber is 80 parts by weight, styrene-butadiene rubber is 20 parts by weight, carbon black is 45 parts by weight, flame retardant is 45 parts by weight, anti-aging agent is 3.8 parts by weight, super zinc activator is 5.5 parts by weight, viscosity increasing resistance The fuel resin is 5.8 parts by weight, and the sulfur is 2.8 parts by weight.

[0033] The preparation steps are as follows:

[0034] (1) Preparation of one-stage mixed rubber: masticate 80 parts by weight of nitrile rubber in an open mill for 10 minutes, add 20 parts by weight of styrene-butadiene rubber, roll up, and park for 8 hours. Put it into the internal mixer and heat it for 30-50 seconds, then add 3.8 parts by weight of anti-aging agent, 45 parts by weight of flame retardant, 5.5 parts by weight of super zinc active agent, and 5.8 parts by weight of thickening flame-retardant resin, and knead 1-2 minutes, f...

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Abstract

The invention relates to a fabric core flame-retardant oil-resistant conveyor belt cover rubber for general use and a preparation method thereof, and belongs to the technical field of flame-retardant oil-resistant conveyor belts. The rubber composition comprises butadiene-acrylonitrile rubber, butadiene-styrene rubber, carbon black, a flame retardant, an anti-aging agent, tackifying flame-retardant resin, an ultra-zinc active agent and sulfur. The fabric core flame-retardant oil-resistant conveyor belt cover rubber for general use is prepared through preparation of a first-stage rubber compound, preparation of a second-stage rubber compound, preparation of a third-stage extrusion rubber compound and vulcanization. The preparation method disclosed by the invention simultaneously meets two standard requirements of a GB / T10822-2014 general-purpose fabric core flame-retardant conveying belt and an HG / T3714-2014 oil-resistant conveying belt, and the preparation method disclosed by the invention has the advantages of simple steps, easiness in operation and the like.

Description

technical field [0001] The invention relates to a general-purpose fabric core flame-retardant and oil-resistant conveyor belt cover glue and a preparation method thereof, belonging to the technical field of flame-retardant and oil-resistant conveyor belts. Background technique [0002] The conveyor belt is a large composite material product composed of rubber covering rubber material, skeleton material and interface bonding material. At present, a few manufacturers of oil-resistant and flame-retardant conveyor belts in China have started production, but in the actual production process, on the one hand, air bubbles are easily generated inside the covering rubber, and surface defects such as bright scars are prone to occur on the surface of the covering rubber, which makes the surface quality of oil-resistant and flame-retardant conveyor belts poor. Qualified, it is difficult for users to accept, and the phenomenon of rejection and return often occurs, which brings many tangi...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L9/06C08L51/00C08L91/06C08K13/02C08K3/04C08K5/098C08K3/06B29D29/06
Inventor 曹晖陈希曲成东孟阳孙业斌屈文德兰尧薛斌范旭梦杨可孙万顾欣坚苏鲲鹏叶聪吴逸君刘婷李丹丹赵伟君
Owner WUXI BOTON TECH CO LTD