Preparation method of natural plant fiber-rubber composite material

A technology of natural plant fiber and composite materials, which is applied in the field of preparation of natural plant fiber-rubber composite materials, can solve the problems of natural plant fiber-rubber composite materials such as sound absorption and vibration damping effects are not ideal, and achieve rich internal pores and comprehensive The effect of high performance and good mechanical properties

Active Publication Date: 2019-01-15
宿州学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sound absorption and vibration reduction effects of natural plant fiber-rubber composites are not ideal enough, and further improvements are still needed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Adding 40 parts by weight of degummed natural plant short fibers to 300 parts by weight of a cellulase solution with a concentration of 0.05% for 2 hours;

[0024] (2) Microwave radiation treatment of the natural plant short fiber after enzyme treatment for 0.5min, and the microwave radiation power is 1kW;

[0025] (3) Add 1 weight part of nano-silica and 2 weight parts of silane coupling agent into 80 weight parts of ethanol and mix uniformly to obtain an impregnating liquid, and then add the natural plant short fiber after microwave radiation into a vacuum impregnating tank for vacuum impregnation of 0.5 h, after taking it out, dry it at 100°C for 1 hour, and obtain the modified natural plant short fiber after cooling;

[0026] (4) The modified natural plant short fiber is added with 100 parts by weight of butyl rubber, 3 parts by weight of zinc oxide, 2 parts by weight of stearic acid, 1.5 parts by weight of accelerator, 1.5 parts by weight of sulfur, and 0.5 par...

Embodiment 2

[0037] (1) Adding 60 parts by weight of degummed natural plant short fibers to 500 parts by weight of a cellulase solution with a concentration of 0.1% for 4 hours;

[0038] (2) Microwave radiation treatment of the natural plant short fiber after enzyme treatment for 1min, and the microwave radiation power is 2kW;

[0039] (3) Add 2 parts by weight of nano-silica and 4 parts by weight of silane coupling agent into 100 parts by weight of ethanol and mix uniformly to obtain an impregnating liquid, then add the natural plant short fibers after microwave radiation to a vacuum impregnation tank for vacuum impregnation of 0.5 h, after taking it out, dry it at 100°C for 1 hour, and obtain the modified natural plant short fiber after cooling;

[0040] (4) The modified natural plant short fiber is added with 100 parts by weight of butyl rubber, 3 parts by weight of zinc oxide, 2 parts by weight of stearic acid, 1.5 parts by weight of accelerator, 1.5 parts by weight of sulfur, and 0.5 ...

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Abstract

The invention discloses a preparation method of a natural plant fiber-rubber composite material, degummed natural plant short fiber is first treated with cellulase, then subjected to microwave irradiation treatment, then vacuum-impregnated in an impregnating solution obtained by mixing nano silica, a silane coupling agent and ethanol, dried and cooled to obtain modified natural plant short fiber,and the modified natural plant short fiber, butyl rubber, zinc oxide, stearic acid, an accelerator, sulfur and an anti-aging agent are together added into a mixer for mixing, and then vulcanized in avulcanizer to obtain the natural plant fiber-rubber composite material. The preparation method is simple and convenient, and the obtained rubber composite material not only has excellent sound absorption and vibration damping effects, but also has good mechanical properties, is safe to use, good in environmental protection performance, and is suitable for noise reduction inside automobiles.

Description

technical field [0001] The invention relates to the technical field of rubber composite materials, in particular to a preparation method of natural plant fiber-rubber composite materials. Background technique [0002] With the improvement of people's living standards, people put forward higher requirements for the comprehensive performance of cars, among which, the comfort of cars has become an important criterion for measuring the quality of cars. The interior noise of the car mainly comes from engine noise, tire noise, etc., which are transmitted into the car through various channels. However, the space inside the car is narrow, and the noise cannot be effectively absorbed, causing pollution to the car environment and affecting people's health and mood. In order to improve the environment inside the car and reduce the vibration and noise inside the car, the development of automotive interior materials with good sound absorption, sound insulation and vibration reduction has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/22C08L1/02C08K13/02C08K5/09C08K3/22D06M16/00D06M10/00D06M11/79D06M13/50D06M13/144D06M101/06
CPCC08K2003/2296C08L23/22C08L2205/16D06M10/003D06M11/79D06M13/144D06M13/50D06M16/003D06M2101/06C08L1/02C08K13/02C08K5/09C08K3/22
Inventor 秦苗罗牧晨吴玲
Owner 宿州学院
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