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

Leather stealth material and its preparing method

A stealth material and leather technology, applied in the field of leather stealth materials and their preparation, can solve the problems of low absorption per unit thickness and high density, etc.

Inactive Publication Date: 2009-07-29
SHAANXI UNIV OF SCI & TECH
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, people have conducted in-depth research on absorbers such as ferrite and metal powder, but they have the disadvantages of high density and low absorption per unit thickness.

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
  • Leather stealth material and its preparing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: first put the raw skin in the drum and soak it in water for 6 hours, after the raw skin is fully softened, adjust the liquid ratio to 1.0 and then add sodium sulfide, so that the concentration of sodium sulfide is 10 grams per liter, continue in the drum After turning for 1.5 hours, add 3.5% of the weight of the original hide with a mass concentration of 30% sodium hydroxide, continue to rotate for 1 hour, then wash with water, deash, and soften; secondly, adjust the liquid ratio to 0.5, and add the original hide to the softened hide 12% by weight of salt and rotated for 10 minutes, then add 1.0% of the mass concentration of raw hide weight as 98% sulfuric acid and 1% of raw hide weight by 37% acetic acid from the shaft hole and rotate for 0.5 hours, and tan with iron tanning agent at room temperature 3 hours, stand still for 12 hours, planing, shaving, weighing, retanning with acrylic resin retanning agent for 3 hours, adjust the liquid ratio to 1.3, and then...

Embodiment 2

[0012] Example 2: first put the raw skin in the drum and soak it in water for 12 hours. After the raw skin is fully softened, adjust the liquid ratio to 2.0 and then add sodium sulfide so that the concentration of sodium sulfide is 5 grams per liter, and continue to soak in the drum. After turning for 1.8 hours, add 3.8% of the weight of the raw hide with a mass concentration of 30% sodium hydroxide, continue to turn for 1 hour, then wash with water, deash, and soften; secondly, adjust the liquid ratio to 1.0, and add the raw hide to the softened raw hide 14% salt by weight rotated for 10 minutes, then added 1.2% of the mass concentration of raw hide weight from the shaft hole as 98% sulfuric acid and 1.6% of the raw hide weight by 37% acetic acid and rotated for 1.5 hours, and tanned with iron tanning agent at room temperature 3 hours, stand still for 12 hours, planing, shaving, weighing, retanning with acrylic resin retanning agent for 5 hours, adjust the liquid ratio to 1.5,...

Embodiment 3

[0013] Example 3: first place the raw skin in the drum and soak it in water for 18 hours. After the raw skin is fully softened, adjust the liquid ratio to 1.3 and then add sodium sulfide so that the concentration of sodium sulfide is 8 grams per liter, and continue to soak in the drum. After turning for 1.6 hours, add 4.2% of the weight of raw hide with a mass concentration of 30% sodium hydroxide, continue to turn for 1 hour, then wash with water, deash, and soften; then adjust the liquid ratio to 1.2, and add raw hide to the softened raw hide 10% by weight of salt and rotated for 10 minutes, then add 1.4% of the mass concentration of raw hide weight as 98% sulfuric acid and 1.2% of raw hide weight from the shaft hole as 37% acetic acid and rotate for 1.0 hour, and tan with iron tanning agent at room temperature 3 hours, stand still for 12 hours, planing, shaving, weighing, retanning with acrylic resin retanning agent for 6 hours, adjust the liquid ratio to 1.1, and then add 1...

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

A leather camouflage material and a preparation method thereof, comprising a leather body, a conductive film coating is coated on the outer surface of the leather body, and an embossed pattern layer is arranged on the conductive film coating. The present invention utilizes the transparent, conductive organic conductive thin film coating on leather surface, improves the surface conductance of leather material, produces infrared ray and radar wave to pass through, absorb layer; Contain a large amount of electrons, ion group, even Polarization mechanisms such as poles and internal interfaces, when radar waves irradiate the interior of the leather, will produce electronic displacement polarization, ion displacement polarization, dipole steering polarization, and space charge polarization, making the leather material an infrared loss layer And dielectric radar wave absorbing layer.

Description

technical field [0001] The invention relates to a radar wave and infrared wave absorbing material, in particular to a leather stealth material and a preparation method thereof. Background technique [0002] Traditional military absorbing materials are selected from graphite, carbon fiber, SiC, ferroelectric film and other materials, but the absorption rate of SiC is not high. The radar wave structural material is composed of an absorber and a matrix material that can pass through radar waves. It has experienced the development process from single fiber to hybrid fiber, from secondary load-bearing parts to main load-bearing parts, and from thermosetting resin to thermoplastic resin. . Bandwidth, thin thickness, light weight, and strong absorption are the goals pursued by high-performance absorbing materials. So far, people have conducted in-depth research on absorbers such as ferrite and metal powder, but they have the disadvantages of high density and low absorption per un...

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 Patents(China)
IPC IPC(8): C14C1/08C14C3/22C14C9/00B05D7/12
Inventor 张方辉王秀峰李志贤孙立蓉章川波
Owner SHAANXI UNIV OF SCI & 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