Polyurethane synthetic leather for high-grade electronic packages and certificates

A technology of polyurethane and synthetic leather, which is applied in application, leather surface treatment, small raw leather/large raw leather/leather/fur treatment, etc. It can solve the problems of unsatisfactory high-end electronic product packaging leather, hardening, and uneven quality of synthetic leather. , to achieve an excellent protective effect

Active Publication Date: 2015-01-21
ANHUI ANLI MATERIAL TECH
View PDF4 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the quality of synthetic leather for electronic packaging on the market is generally uneven. Ordinary packaging leather will become hard, cracked and polluted during use, and the e

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
  • Polyurethane synthetic leather for high-grade electronic packages and certificates

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025] Embodiment 1,

[0026] 1) Mix 40 parts of silicone-modified polyurethane prepolymer, 10 parts of polyisocyanate and 1.5 parts of accelerator triethylenediamine and stir evenly to obtain a colorless transparent paste with a viscosity of 500CPS / 25℃;

[0027] 2) The above-mentioned colorless transparent paste is coated on the outer surface of the polyurethane synthetic leather base layer with a 140-purpose printing roller;

[0028] 3) Then it is dried at 80°C and then cured at 130°C for 5 minutes to obtain polyurethane synthetic leather.

[0029]

Example Embodiment

[0030] Embodiment 2,

[0031] 1) Mix 80 parts of silicone-modified polyurethane prepolymer, 15 parts of polyisocyanate and 1.0 part of accelerator dibutyltin dilaurate and stir evenly to obtain a colorless transparent paste with a viscosity of 800CPS / 25℃;

[0032] 2) The above-mentioned colorless transparent paste is coated on the outer surface of the polyurethane synthetic leather base layer with a 160-purpose printing roller;

[0033] 3) Then it is dried at 100°C and then cured at 150°C for 3 minutes to obtain polyurethane synthetic leather.

[0034]

Example Embodiment

[0035] Embodiment 3,

[0036] 1) Mix 100 parts of silicone-modified polyurethane prepolymer, 20 parts of polyisocyanate and 2 parts of accelerator stannous octoate and stir evenly to obtain a colorless transparent paste with a viscosity of 200CPS / 25℃;

[0037] 2) The above-mentioned colorless transparent paste is coated on the outer surface of the polyurethane synthetic leather base with a 120-purpose printing roller;

[0038] 3) Then it was dried at 90°C and then cured at 140°C for 4 minutes to obtain polyurethane synthetic leather.

[0039] The performance indicators of the polyurethane synthetic leather prepared in the above-mentioned examples 1-3 are compared with the existing polyurethane synthetic leather as shown in the following table:

[0040]

[0041] It can be seen from the above table that compared with ordinary packaging leather, the high-grade polyurethane synthetic leather for electronic packaging and documents of the present invention has excellent touch, y...

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 polyurethane synthetic leather for high-grade electronic packages and certificates. The polyurethane synthetic leather comprises a polyurethane synthetic leather base layer, wherein the outer surface of the polyurethane synthetic leather base layer is coated with a layer of colorless and transparent pulp, and then drying and curing are carried out to obtain the polyurethane synthetic leather; the colorless and transparent pulp is obtained by mixing and stirring a silicone-modified polyurethane prepolymer, polyisocyanate and an accelerant according to weight parts. The polyurethane synthetic leather disclosed by the invention has soft touch feel, has excellent yellowing resistance, wear resistance and antifouling property, has an excellent defending effect on pollution sources such as lipsticks, sweat stains, red wine, sunscreen cream and denim fabrics in the process of daily use, and simultaneously meets the requirement on environmental protection of European RoHS.

Description

technical field [0001] The invention relates to a production method of polyurethane synthetic leather, in particular to a production method of polyurethane synthetic leather for electronic packaging and certificates. [0002] Background technique [0003] With the rapid development of the fast-moving consumer electronics industry, the demand for electronic packaging and certificates, such as mobile phone cases, tablet computer cases, and packaging leather for other certificates, is increasing. Electronic products are generally carried around and are often in contact with the human body. Therefore, compared with traditional packaging leather, synthetic leather for electronic product packaging has higher requirements for tactility, antifouling performance and environmental protection. However, the quality of synthetic leather for electronic packaging currently on the market is generally uneven. Ordinary packaging leather will become hard, cracked and polluted during use, and ...

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
IPC IPC(8): D06M15/564C14C11/00D06N3/14
Inventor 迟红梅阚道俊程艳西黄万里阮仁祥杜先炳阮华功芮永新
Owner ANHUI ANLI MATERIAL TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap