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

Inorganic whisker-modified adhesive sheet for damping and noise reducing

An inorganic whisker, modified technology, applied in the direction of adhesive, epoxy resin glue, film/flake adhesive, etc., to achieve the effect of good damping performance, simple and convenient construction operation, excellent strength and damping performance

Inactive Publication Date: 2017-08-22
三友(天津)高分子技术有限公司
View PDF2 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to broaden the effective damping temperature range and damping factor value of rubber damping materials, researchers usually add an appropriate amount of fillers for modification. Molecular damping materials do not use inorganic whiskers as the main modified filler of rubber damping materials

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
  • Inorganic whisker-modified adhesive sheet for damping and noise reducing

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0021] The preparation method of the shock-absorbing and noise-reducing film modified by inorganic whiskers, the steps are as follows:

[0022] (1), butyl rubber is plasticized with an open mill;

[0023] (2), the plasticized butyl rubber and the remaining inorganic whiskers, solid tackifying resin, liquid polyisobutylene, liquid epoxy resin, white carbon black, carbon black are mixed with a three-roll mixer or internal mixer Mix evenly and discharge;

[0024] (3) The uniform material is extruded by a calender to form a damping rubber layer 1, and a layer of isolation reflection layer 2 is bonded on the damping rubber layer (1) to obtain a shock-absorbing and noise-reducing material modified by inorganic whiskers. film.

[0025] Furthermore, butyl rubber, as the main material of the film of the present invention, can provide a higher basic damping performance for the damping system.

[0026] Furthermore, inorganic whiskers are a transition state between fibers and particles...

Embodiment 1

[0035] Embodiment 1: A kind of inorganic whisker-modified shock-absorbing and noise-reducing film, the damping rubber layer 1 comprises the raw material composition of following parts by weight: 100 parts of butyl rubber, 200 parts of calcium sulfate whiskers, 40 parts of rosin resin, 100 parts of liquid epoxy resin, 60 parts of liquid polyisobutylene, 40 parts of white carbon black;

[0036] Preparation process: ① Masticate butyl rubber with an open mill; ② Use a three-roller to knead butyl rubber and the remaining calcium sulfate whiskers, rosin resin, liquid epoxy resin, liquid polyisobutylene, and white carbon Mix black evenly; ③ Extrude the mixture with a calender to form a damping rubber layer 1, and glue a layer of 0.1mm thick glass fiber cloth on the damping rubber layer 1; ④ Cut it according to the required size.

[0037] Preparation process: ①Multify the butyl rubber with an open mill; ②Use a three-roll machine to mix the plasticized butyl rubber and the remaining ma...

Embodiment 2

[0038] Embodiment 2: A kind of shock-absorbing and noise-reducing film modified by inorganic whiskers, the damping rubber layer 1 comprises the raw material composition of following parts by weight: 100 parts of butyl rubber, 350 parts of zinc oxide whiskers, 40 parts of petroleum resin, 20 parts of terpene resin, 240 parts of liquid epoxy resin, 60 parts of carbon black;

[0039] Preparation process: ① Masticating butyl rubber with an open mill; ② Using an internal mixer to knead butyl rubber and the remaining zinc oxide whiskers, petroleum resin, terpene resin, liquid epoxy resin, and carbon black Mix evenly; ③ Extrude the mixture with a calender to form the damping rubber layer 1, and bond a layer of non-woven fabric with a thickness of 0.3mm on the damping rubber layer 1; ④ Cut it according to the required size.

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
kinematic viscosityaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention relates to an inorganic whisker-modified adhesive sheet for damping and noise reducing. The inorganic whisker-modified adhesive sheet comprises two parts, namely a damping adhesive layer and an isolated reflection layer; according to the damping adhesive layer, butyl rubber is taken as a matrix, an inorganic whisker is added for modification, and tackifying resin and a filler are adopted for improving the combination property. In addition, a refection layer is arranged on the damping adhesive layer; and the reflection layer is capable of carrying out strength supplementation on the adhesive layer and dispersing noise. Only the adhesive sheet needs to be pasted on the surface of a base material during construction, and sulfuration treatment is not needed. The product is simple in preparation, convenient to construct and obvious in damping and noise-reducing effects.

Description

technical field [0001] The invention relates to a damping film for shock and noise reduction, in particular to a film for shock and noise reduction obtained by modifying inorganic whiskers. It is suitable for tank side walls, engines, transmission parts, etc. where vibration and noise are likely to occur, and where it is easy to stick to coating, and can effectively reduce the noise and vibration generated during equipment operation. Background technique [0002] As a functional material for shock and noise reduction, rubber damping materials have attracted extensive attention from researchers at home and abroad. Materials with high damping in a wide temperature range require a damping factor tanδ ≥ 0.3 at least in the temperature range of 60 °C to 80 °C. However, the effective damping temperature range of general rubber damping materials is only 20°C to 40°C, and it is concentrated below room temperature. [0003] Adding fillers is an important means of modifying polymer ...

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): C09J163/00C09J123/22C09J123/20C09J11/08C09J11/04C09J7/00C09J7/04
CPCC08K2201/014C08L2205/025C08L2205/035C09J7/00C09J7/21C09J11/04C09J11/08C09J123/22C09J163/00C09J2301/408C09J2400/143C09J2400/263C08L63/00C08L23/22C08L93/04C08K3/36C08K7/08C08L57/02C08L45/00C08K3/04
Inventor 段亚冲高之香李建武吴子刚陈雨李程李士学
Owner 三友(天津)高分子技术有限公司
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