Unlock instant, AI-driven research and patent intelligence for your innovation.

Wide-temperature-range damping composite material and preparation method thereof

A technology of composite materials and wide temperature range, which is applied in the field of wide temperature range vibration damping composite materials and its preparation, can solve problems such as difficult to meet practical use, high damping peak, narrow effective damping temperature range, etc., and achieve excellent compatibility, The effect of high damping performance and wide effective damping temperature range

Inactive Publication Date: 2013-09-25
ZHEJIANG SCI-TECH UNIV
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The difference between the above method and the present invention is that a compatible multi-component hybrid vibration damping composite material is formed between two small molecule materials and the matrix CPE, and a high-content hydrogen bond network is formed between organic small molecules and the matrix, which has a damping peak High advantages, but compared with the present invention, the defect and deficiency of the above technical solution is that the effective damping temperature range is too narrow, and the transition zone temperature of tanδ>0.3 is less than 30 ° C, which is difficult to meet the actual use

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Wide-temperature-range damping composite material and preparation method thereof
  • Wide-temperature-range damping composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The thickness direction of the material is divided into two layers, the first layer 1 is CPE base material, the second layer 2 is CPE and ZKF hybrid material, the two layers are thermally bonded, the thickness of the composite material is 2mm, V 1 :V 2 =80:20, where V 1 and V 2 Respectively represent the volume percentage of the corresponding layer in the composite as a whole, and the ZKF content in the CPE and ZKF hybrid materials is 40wt%.

Embodiment 2

[0028] The thickness direction of the material is divided into two layers, the first layer 1 is CPE base material, the second layer 2 is CPE and ZKF hybrid material, the two layers are thermally bonded, the thickness of the composite material is 2mm, V 1 :V 2 =80:20, where V 1 and V 2 Respectively represent the volume percentage of the corresponding layer in the composite as a whole, and the ZKF content in the CPE and ZKF hybrid materials is 50wt%.

[0029] The first step of the preparation method of the above two embodiments is mixing:

[0030] 1> Raise the temperature of the rollers of the double-roller kneader to 60-65°C and keep it basically stable.

[0031] 2> Add chlorinated polyethylene (CPE) powder between the rollers, soften the CPE by the surface temperature of the rollers, and make the CPE powder in a semi-fluid state under the action of the shear force caused by the difference in the rotational speed of the rollers , and at the same time use a cutter to do arti...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a wide-temperature-range damping composite material and a preparation method thereof. The material is characterized in that the material can be divided into two layers along a thickness direction, wherein the first layer is a CPE substrate, and the second layer is a CPE and ZKF hybrid material. The two layers are bonded by thermal bonding. The thickness of the composite material is 2mm. V1:V2=80:20, wherein V1 and V2 respectively stand for volume percentages of corresponding layers in the composite whole. In the CPE and ZKF hybrid material, the content of ZKF is 40wt% or 50wt%. The preparation method comprises two main steps which are mixing and thermal-pressure forming. The composite material provided by the invention has high damping value and wide effective damping temperature range. The material provides good damping effect. The preparation method is simple and feasible, the cost is low, and the method is suitable for industrial productions.

Description

technical field [0001] The invention relates to an engineering material and a preparation method, in particular to a wide temperature range vibration-damping composite material and a preparation method thereof. The composite material can be applied to automobiles, trains and subway bridge compartments, household appliances and sports equipment, etc. Background technique [0002] With the development of science and technology and modern industry, mechanical equipment tends to be high-speed and automatic, and high-power machinery is increasing, and the problems of vibration, noise and fatigue failure caused by it are also becoming more and more serious. Vibration not only affects the improvement of mechanical equipment performance, but also seriously damages the stability and reliability of mechanical equipment operation, and causes equipment fatigue and service life decline, which inevitably increases the cost of enterprise maintenance, repair and replacement; Moreover, a la...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/30B32B37/06B29B7/56B29C35/02
Inventor 丁新波于斌徐国平韩建
Owner ZHEJIANG SCI-TECH UNIV