Velvet anti-scratch waterborne polyurethane paint

A water-based polyurethane and polyurethane dispersion technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of weakened gloss, insufficient elastic touch, poor scratch resistance, weather resistance and chemical resistance, and achieve scratch resistance. Effects of sexual touch, good touch, excellent scratch resistance

Inactive Publication Date: 2016-03-09
SHANGHAI HONGDUN ANTI COUNTERFEIT MATERIAL
View PDF7 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, some coatings that can provide excellent soft and elastic touch generally have the defects of poor scratch resistance, weather resistance, and chemical resistance, resulting in wea

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
  • Velvet anti-scratch waterborne polyurethane paint
  • Velvet anti-scratch waterborne polyurethane paint
  • Velvet anti-scratch waterborne polyurethane paint

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] The present invention provides a velvety, scratch-resistant water-based polyurethane coating. The water-based polyurethane coating is composed of the following components by weight percentage: at least one polysiloxane-modified polyurethane dispersion 20-40% , At least one acrylate modified polyurethane dispersion 40-60%, water-based nano alumina dispersion 0.5-5%, polyurethane foamed elastic beads 1-8%, thickener 0.5-15%, defoamer 0.1 -1%, curing agent 1-5%. The preparation method of the water-based polyurethane coating includes the following steps: weigh the components according to the above-mentioned weight percentages, and combine the polysiloxane-modified polyurethane dispersion, the acrylate-modified polyurethane dispersion, and the aqueous nano alumina dispersion , Polyurethane foamed elastic beads and defoamer are added to the mixer and mixed, then thickener and curing agent are added, and the mixture is stirred at 400-600 revolutions per minute for at least 30 m...

Example Embodiment

[0020] Example 1

[0021] The velvety, scratch-resistant water-based polyurethane coating is composed of the following components in terms of weight percentage:

[0022]

Example Embodiment

[0023] Example 2

[0024] The velvety, scratch-resistant water-based polyurethane coating is composed of the following components in terms of weight percentage:

[0025]

[0026]

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
Particle sizeaaaaaaaaaa
Particle sizeaaaaaaaaaa
Particle sizeaaaaaaaaaa
Login to view more

Abstract

The invention relates to velvet anti-scratch waterborne polyurethane paint. The velvet anti-scratch waterborne polyurethane paint is prepared from, by weight, 20-40% of at least one type of polysiloxane-modified polyurethane dispersoid, 40-60% of at least one type of acrylate-modified polyurethane dispersoid, 0.5-5% of waterborne nanometer aluminium oxide dispersion liquid, 1-8% of polyurethane foaming elastic balls, 0.5-15% of thickening agent, 0.1-1% of defoaming agent and 1-5% of solidifying agent. A preparation method of the waterborne polyurethane paint includes the following steps of weighing the components according to the weight percents, adding polysiloxane-modified polyurethane dispersoid, acrylate-modified polyurethane dispersoid, waterborne nanometer aluminium oxide dispersion liquid, polyurethane foaming elastic balls and the defoaming agent in a stirring machine to be mixed, then adding the thickening agent and the solidifying agent, and conducting even mixing. Compared with the prior art, the waterborne polyurethane paint has excellent anti-scratch performance and a good touch sense and is mainly applied to thin film packaging materials.

Description

[technical field] [0001] The invention relates to the technical field of film packaging materials, in particular to a velvet-like, scratch-resistant water-based polyurethane coating. [Background technique] [0002] In recent years, waterborne polyurethane tactile coatings have been widely used in the field of packaging and printing. Among them, some coatings that can provide excellent soft and elastic touch generally have the defects of poor scratch resistance, weather resistance, and chemical resistance, resulting in weakened gloss and obvious scratches, while some coatings with improved scratch resistance have Insufficient elastic touch, which seriously affects the quality and appearance of the coating film. Therefore, scratch resistance and good touch have become an important index to measure the performance of waterborne polyurethane coatings. The combination of high scratch resistance and good touch means that the surface of the material can be kept shiny and beautifu...

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): C09D175/14C09D175/04C09D7/12
CPCC09D175/14C08K2201/011C08L2205/025C08L2205/03C09D7/61C09D7/65
Inventor 于锋黄斗兴曹慧芬
Owner SHANGHAI HONGDUN ANTI COUNTERFEIT MATERIAL
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