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Adhesive for brake block of oil field drilling machine

A technology for adhesives and brake pads, which is applied in the fields of workover rig brake pads, train and automobile brake pads, and adhesives for oil field drilling rig brake pads. It can solve the problem of low friction coefficient of brake pads, poor braking stability and wear resistance. Good and other problems, to achieve the effect of stable friction coefficient, low hardness, and not easy to damage

Inactive Publication Date: 2003-06-04
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide an adhesive for brake pads of oilfield drilling rigs, which solves the problems of low friction coefficient of brake pads, poor braking stability and wear resistance under the working conditions of oilfield drilling rigs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Accurately weigh required novolac resin 100g and nitrile rubber 200g, and be dissolved in 500g mixed solvent (percentage by volume: acetone 20%, xylene 38%, ethyl acetate 42%), add sulfur 2g successively, six Add 0.5g of methylenetetramine, 0.5g of cyclohexylbenzothiazole sulfenamide, 50g of carbon black, 3g of stannous chloride and 5g of barium sulfate, add them into the mixer and stir for 40 minutes until they are evenly mixed. adhesive

Embodiment 2

[0023] Preparation method is identical with embodiment 1, and formula is as table 1 (weight is gram)

[0024] Note: Mixed solvent volume percentage formula 1 is acetone 25%, xylene 33%, ethyl acetate 42%; formula 2 is acetone 30%, xylene 20%, ethyl acetate 50%; formula 3 is acetone 25%, di Toluene 40%, ethyl acetate 35%.

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PUM

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Abstract

The adhesive for brake block of oil field drilling machine consists of adhesive, curing agent, promoter, friction performance regulator, activator, assistant and solvent. The adhesive is linear phenolic resin and acrylonitrile-butadiene rubber, the curing agent is sulfur and hexamethine tetramine, the promoter is cyclohexyl-benzothiazole sulfenamide, the friction performance regulator is carbon black and stannous chloride, the assistant is barium sulfate and the solvent is mixed solvent. The adhesive is suitable for brake block of oil field drilling machine and may be also used in brake blockfor train, automobile, etc.

Description

Technical field: [0001] The invention describes an adhesive used for brake pads of an oil field drilling rig. Specifically, the present invention describes an adhesive suitable for brake pads of oilfield drilling rigs, brake pads of workover rigs, and brake pads of trains and automobiles. Background technique: [0002] The adhesive for brake pads of oilfield drilling rigs is a special adhesive, which uses adhesives to evenly distribute the friction modifier and its fillers in the metal-glass fiber base or metal-asbestos base or other material brake pad matrix, and is produced through a specific process. Into the brake pads, so as to play the role of transmitting power or stopping motion. There are many types of brake pads currently used for oil field drilling rigs, but the disadvantages are low friction coefficient, poor braking stability and wear resistance. Invention content: [0003] The purpose of the present invention is to overcome the deficiencies of the prior art...

Claims

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Application Information

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IPC IPC(8): C09J109/02C09J161/06F16D69/00
Inventor 何志明陈晓伯史月华
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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