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A kind of high temperature resistant synchronous belt and its preparation method

A timing belt, high temperature resistant technology, applied in belts, transmission belts, mechanical equipment, etc., can solve the problem of inability to manufacture timing belts, increase physical crosslinking density and interface bonding performance, improve mechanical properties and high temperature resistance performance , the effect of high cohesion and polarity

Active Publication Date: 2017-01-04
NINGBO FULONG SYNCHRONOUS BELT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, it is impossible to manufacture a synchronous belt that meets this condition using the above-mentioned conventional polyurethane rubber

Method used

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  • A kind of high temperature resistant synchronous belt and its preparation method
  • A kind of high temperature resistant synchronous belt and its preparation method
  • A kind of high temperature resistant synchronous belt and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The high-temperature-resistant synchronous belt of this embodiment includes a synchronous belt skeleton and a rubber compound coated on the outside of the synchronous belt skeleton. The raw materials of the rubber compound include the following components by weight:

[0050]

[0051]

[0052] The preparation method of the above-mentioned high temperature resistant synchronous belt comprises the following steps:

[0053] (1) Preparation of synchronous belt skeleton

[0054] The polyacrylonitrile-graphene oxide fiber and polyacrylonitrile fiber are spun through the processes of blowing, carding, pre-doubling, sliver coiling, combing, head-doubling, two-doubling and three-doubling in sequence according to the weight ratio of 3:7. said skeleton yarn;

[0055] Apply a layer of silicone oil evenly on the mould, then put the corresponding cloth cover on the mould, and hoist it on the forming host; lead out 2 S-twisted and 2 Z-twisted skeleton yarns from the tensioner re...

Embodiment 2

[0070] The high-temperature-resistant synchronous belt of this embodiment includes a synchronous belt skeleton and a rubber compound coated on the outside of the synchronous belt skeleton. The raw materials of the rubber compound include the following components by weight:

[0071]

[0072] The preparation method of the above-mentioned high temperature resistant synchronous belt comprises the following steps:

[0073] (1) Preparation of synchronous belt skeleton

[0074] The polyacrylonitrile-graphene oxide fiber and polyacrylonitrile fiber are spun through the processes of blowing, carding, pre-doubling, sliver coiling, combing, head-doubling, two-doubling and three-doubling in sequence according to the weight ratio of 3:7. said skeleton yarn;

[0075] Apply a layer of silicone oil evenly on the mould, then put the corresponding cloth cover on the mould, and hoist it on the forming host; lead out 2 S-twisted and 2 Z-twisted skeleton yarns from the tensioner respectively, ...

Embodiment 3

[0082] The high-temperature-resistant synchronous belt of this embodiment includes a synchronous belt skeleton and a rubber compound coated on the outside of the synchronous belt skeleton. The raw materials of the rubber compound include the following components by weight:

[0083]

[0084] The preparation method of the above-mentioned high temperature resistant synchronous belt comprises the following steps:

[0085](1) Preparation of synchronous belt skeleton

[0086] The polyacrylonitrile-graphene oxide fiber and polyacrylonitrile fiber are spun through the processes of blowing, carding, pre-doubling, sliver coiling, combing, head-doubling, two-doubling and three-doubling in sequence according to the weight ratio of 3:7. said skeleton yarn;

[0087] Apply a layer of silicone oil evenly on the mould, then put the corresponding cloth cover on the mould, and hoist it on the forming host; lead out 2 S-twisted and 2 Z-twisted skeleton yarns from the tensioner respectively, ...

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Abstract

The invention relates to a high-temperature-resistant synchronous belt. The high-temperature-resistant synchronous belt comprises a synchronous belt frame and a rubber material covering the synchronous belt frame. The raw material of the rubber material comprises, by weight, 10-20 parts of polyester glycol, 50-100 parts of diisocyanate, 10-20 parts of dicarboxylic anhydride, 10-20 parts of diamine, 1-5 parts of catalysts, 0.1-1 part of graphene, 0.2-5 parts of silicon carbide and 0.05-0.1 part of cross-linking agent. The invention further relates to a preparation method of the high-temperature-resistant synchronous belt. According to the high-temperature-resistant synchronous belt and the preparation method, due to the fact that an imide functional group is introduced to a main chain of a polyurethane material, the rigidity of a polyurethane hard segment can be effectively enhanced, the ordered structure of the hard segment cannot be easily destroyed, and the mechanical performance and the high temperature resistance performance of the rubber material of the synchronous belt are greatly improved; due to the fact that the cross-linking agent, namely octo-isocyanate modified silsesquioxane is used, the stress borne by the rubber material can be borne within a large range, the stress burden in a rubber material body is reduced, and the shear strength and the abrasion resistance of the synchronous belt are effectively improved.

Description

technical field [0001] The invention relates to the technical field of synchronous belts, in particular to a high-temperature-resistant synchronous belt, and also relates to a preparation method of the high-temperature-resistant synchronous belt. Background technique [0002] The synchronous belt is an endless belt with equally spaced teeth on the inner peripheral surface. When rotating, the power is transmitted through the meshing of the belt teeth and the gear teeth. The synchronous belt combines the advantages of belt drive, chain drive and gear drive, and has the advantages of high transmission efficiency, accurate transmission ratio, large transmission ratio range, stable transmission, small force on the shaft, low noise, and energy saving. [0003] The main body of early synchronous belts was mostly made of polyurethane rubber. Polyurethane rubber has the advantages of general liquid rubber, good wear resistance, simple process, and convenient molding. However, polyure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/06C08G18/66C08G18/44C08G18/42C08K9/06C08K3/04C08K3/34C08K5/549D01F6/54D01F1/10B29D29/08F16G1/28
CPCB29D29/08C08G18/42C08G18/44C08G18/66C08K3/04C08K3/34C08K5/549C08K9/06C08L75/06D01F1/10D01F6/54F16G1/28
Inventor 林胤邓樱周云沈光辉
Owner NINGBO FULONG SYNCHRONOUS BELT
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