Transmission belt base rubber and preparation method thereof

A transmission belt and primer technology, applied in the field of transmission belts, can solve the problem of easy breakage of the transmission belt primer, and achieve the effects of enhancing lateral rigidity, facilitating production, processing and work efficiency, good hardness and self-adhesion

Active Publication Date: 2013-01-02
锐牛股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention modifies the drive belt base rubber by adding fullerene nano-micron fibers into the drive belt base rubber, which enhances the transverse rigidity of

Method used

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  • Transmission belt base rubber and preparation method thereof
  • Transmission belt base rubber and preparation method thereof
  • Transmission belt base rubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] A kind of drive belt primer comprises by mass parts:

[0078]

[0079]

[0080] The preparation method of above-mentioned transmission belt primer is as follows:

[0081] (1) Add the EPDM rubber and chloroprene rubber in the formula amount into the open mill respectively, thin and pass 6 times, and roll down after wrapping and rolling for use;

[0082] (2) Mix the single-crystal fullerene-based nano-microfibers in the formulation amount with 20% of the formulation amount of aromatic oil, carbon black N770 and white carbon black to obtain a blend a, and mix the remaining substances according to the formulation amount to obtain blend b;

[0083] (3) After banburying the EPDM rubber obtained in step (1) in a 110L internal mixer for 20s, add blend a, continue banburying for 50s, and cut the obtained film into 8cm in length and width small pieces;

[0084] (4) Mix the chloroprene rubber obtained in step (1) in a 110L internal mixer for 30 seconds, then add the film ...

Embodiment 2

[0088] A kind of drive belt primer comprises by mass parts:

[0089]

[0090]

[0091] The preparation method of above-mentioned transmission belt primer is as follows:

[0092] (1) Add the EPDM rubber and chloroprene rubber in the formula amount into the open mill respectively, thin and pass 6 times, and roll down after wrapping and rolling for use;

[0093] (2) Mix the single-crystal fullerene-based nano-microfibers in the formulation amount with 20% of the formulation amount of aromatic oil, carbon black N770 and white carbon black to obtain a blend a, and mix the remaining substances according to the formulation amount to obtain blend b;

[0094] (3) After banburying the EPDM rubber obtained in step (1) in a 110L internal mixer for 40s, add blend a, continue banburying for 70s, and cut the obtained film into 8cm in length and width small pieces;

[0095] (4) Mix the chloroprene rubber obtained in step (1) in a 110L internal mixer for 50 seconds, then add the film ...

Embodiment 3

[0099] A kind of drive belt primer comprises by mass parts:

[0100]

[0101] The preparation method of above-mentioned transmission belt primer is as follows:

[0102] (1) Add the EPDM rubber and chloroprene rubber in the formula amount into the open mill respectively, thin and pass 6 times, and roll down after wrapping and rolling for use;

[0103] (2) Mix the single-crystal fullerene-based nano-microfibers in the formulation amount with 20% of the formulation amount of aromatic oil, carbon black N770 and white carbon black to obtain a blend a, and mix the remaining substances according to the formulation amount to obtain blend b;

[0104] (3) After banburying the EPDM rubber obtained in step (1) in a 110L internal mixer for 30s, add blend a, continue banburying for 60s, and cut the obtained film into 8cm in length and width small pieces;

[0105] (4) Mix the chloroprene rubber obtained in step (1) in a 110L internal mixer for 40 seconds, then add the film and blend b ...

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Abstract

The invention relates to a transmission belt base rubber which comprises fullerene nano/micro fibers. The transmission belt base rubber comprises the following components in parts by mass: 70-100 parts of chloroprene rubber, 6-17 parts of ethylene propylene diene monomer rubber, 0.005-0.03 part of fullerene nano/micro fiber, 5-15 parts of aromatic oil, 45-65 parts of reinforcing agent, 0.6-1.8 parts of hardening agent, 0.05-0.22 part of accelerator, 20-45 parts of filler and 4-10 parts of vulcanizing agent. The invention also relates to a preparation method of the transmission belt base rubber. The chopped-fiber-reinforced CR (chloroprene rubber) is reinforced directionally by the transverse chopped fibers of the transmission belt, thereby achieving the excellent transverse side pressure and longitudinal flexibility of the transmission belt.

Description

technical field [0001] The invention relates to a transmission belt, in particular to a primer for a transmission belt and a preparation method thereof. Background technique [0002] Transmission belts are belts used to transmit mechanical power, including flat transmission belts and triangular transmission belts (V-shaped belts). Constructed of rubber and reinforcing materials such as cotton canvas, rayon, synthetic fibers, or steel wire. The transmission belt is made of multi-layer rubberized canvas, synthetic fiber fabric, cord and steel wire, etc., which are laminated with rubber and then formed and vulcanized. Compared with gear transmission and chain transmission, belt transmission has the advantages of simple mechanism, low noise and low equipment cost, and is widely used in power transmission of various machinery. [0003] After nearly half a century of development, the material used for the bottom rubber of the transmission belt has developed from natural rubber t...

Claims

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Application Information

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IPC IPC(8): C08L11/00C08L23/16C08L61/06C08K13/04C08K7/06C08K5/01C08K3/04C08K3/36C08K5/098C08K3/26C08K3/22C08K5/12C08K5/11C08K5/09C08K3/34B29C43/24B29B7/00
Inventor 朱树生
Owner 锐牛股份有限公司
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