Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Crosslinking-type rubber-base damping material and preparing method thereof

A damping material and rubber-based technology, applied in the field of cross-linked rubber-based damping materials and their preparation, can solve the problems of unsatisfactory sound wave damping effect and the like

Inactive Publication Date: 2007-08-15
BEIJING UNIV OF CHEM TECH
View PDF2 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The material is based on acrylate rubber with polar side chains, and organic damping modifiers such as hindered phenol, hindered amine, phosphite compound, phosphate compound or nitrogen-containing basic compound are added. It is suitable for damping vibration and sound insulation. Sound wave damping, especially in the low frequency band, the sound wave damping effect is not ideal

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
  • Crosslinking-type rubber-base damping material and preparing method thereof
  • Crosslinking-type rubber-base damping material and preparing method thereof
  • Crosslinking-type rubber-base damping material and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 to 9

[0028] The rubber-based damping materials prepared in Examples 1 to 9 all use 100 parts by mass of nitrile rubber as the base rubber, and add the phenolic organic small molecules shown in Table 1 as functional additives, and the added parts by mass are also given in Table 1. out. The specific preparation method and steps are: (1) masticating nitrile rubber on an open mill for 3-5 minutes at room temperature, then adding phenolic organic small molecules, kneading for 5-8 minutes with a knife, thinning, and making triangular bags , to make it kneaded evenly, and the next sheet; (2) the obtained mixture was kneaded at a high temperature for 5-8 minutes, and the kneading temperature was as listed in Table 1, so that the additives were fully melted, blanked, and cooled at room temperature; (3) room temperature Next, add various vulcanization system compounding agents to the compound obtained on the open mill, knead for 5-8 minutes, thinly pass, make a triangle bag, make it mix even...

Embodiment 10 to 18

[0044] For each of the rubber-based damping materials prepared in Examples 10 to 18, the matrix rubber is nitrile rubber / polyvinyl chloride co-precipitation glue (70 / 30, mass ratio, polyvinyl chloride resin as a compatibilizer), and then add Table 3 The phenolic organic small molecules shown are used as functional additives, and the addition amounts are also given in Table 3. The specific preparation method and steps are: (1) masticate the nitrile rubber / polyvinyl chloride co-precipitated rubber on an open mill for 3-5 minutes at room temperature, then add phenolic small molecules, and knead for 5-8 minutes, Thin pass, make a triangular bag, make it knead evenly, and release the tablet; (2) knead the obtained mixture at high temperature for 5-8 minutes, the temperature is listed in Table 3, make the additive fully melt, cut the material, and cool at room temperature; ( 3) At room temperature, add various vulcanization system compounding agents to the obtained compound on an op...

Embodiment 19

[0058] For the rubber-based damping material prepared in Example 19, the matrix is ​​styrene-butadiene rubber, and the compatibilizer is brominated phenolic resin (the mass ratios of styrene-butadiene rubber and brominated phenolic resin are respectively 80 / 20, and the brominated phenolic resin is used simultaneously as cross-linking agent), adding the phenolic organic small molecules shown in Table 5, they are used as functional additives, and the addition amount is also given in Table 5. The specific preparation method and steps are: (1) masticating styrene-butadiene rubber on an open mill for 3-5 minutes at room temperature, then adding small phenolic molecules, kneading for 5-8 minutes with a knife, thinning, making triangular bags, Make it kneaded evenly, and lower the tablet; (2) knead the obtained mixture at high temperature for 5-8 minutes, and the temperature is listed in Table 5, so that the additives are fully melted, blanked, and cooled at room temperature; (3) at r...

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

No PUM Login to View More

Abstract

The invention discloses a cross bonding type rubber group damping material and preparing method, which comprises the following steps: choosing rubber material; adding into phenols organic small molecule as damping function additive and proper organic inclusive agent; supplying good mechanical property for rubber group damping material; improving damping property of material. The loss factor (eta) of material is higher, which can express good tensile strength and extension at break.

Description

Technical field: [0001] The invention relates to a cross-linked rubber-based damping material and a preparation method thereof. Background technique: [0002] The application of new damping materials can make a qualitative leap in the acoustic stealth performance of ship equipment, which occupies an extremely important position in the future study of ship materials. Rubber-based damping material is a basic material for realizing modern high-tech. [0003] The damping mechanism of conventional rubber-based damping materials is based on the viscoelasticity of polymer materials, and the hysteresis and mechanical loss of polymers under alternating stress are the fundamental reasons for the damping effect. The greater the mechanical loss of the material, the wider the glass transition temperature range, the more consistent the temperature range value with the external environment, and the better the damping effect. [0004] The glass transition zone of a single polymer material...

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): C08L9/00C08L9/02C08L9/06C08K5/138C08J3/24C08L75/04C08L61/06C08L27/06
Inventor 张立群赵秀英向平邱伯华田斌何元安卢少杰
Owner BEIJING UNIV OF CHEM TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com