Supercharge Your Innovation With Domain-Expert AI Agents!

PET film with coating layer and high ink adhesive force and preparation method thereof

An adhesion and film technology, applied in coatings, polyester coatings, etc., to achieve the effects of strong ink adhesion, poor adhesion, and simple production process

Pending Publication Date: 2020-12-11
安徽省长荣新材料科技有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to solve the problem of ink adhesion fastness during PET surface printing, and discloses a PET film with high ink adhesion and a preparation method thereof. The product of the present invention does not improve the binding force through surface tension. Instead, the chemical coating is used to increase the bonding force between the product and the ink, so that the reduction of the ink bonding force caused by corona decay can be avoided

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
  • PET film with coating layer and high ink adhesive force and preparation method thereof
  • PET film with coating layer and high ink adhesive force and preparation method thereof
  • PET film with coating layer and high ink adhesive force and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] A kind of preparation method of band coating high ink adhesion PET film of the present invention, comprises the steps:

[0030] Step 1): configure the coating (i.e. the aforementioned coating solution);

[0031] Step 2): processing of PET film casting;

[0032] Step 3): coating;

[0033] Step 4): drying and curing;

[0034] Step 5): (PET film cast sheet) corona treatment on the non-coated surface;

[0035] The coating solution prepared in step 1) includes the following parts by mass and preparation process: distilled water (80-90 parts) is used as a solvent, and 7-20 parts of polymethyl methacrylate (PMMA) slurry, water-soluble 1-6 parts of copolyester, 2-10 parts of leveling agent, 3-10 parts of defoamer; stir and mix for 10-60 minutes;

[0036] Step 2): PET film cast sheet treatment: After the PET film cast sheet is stretched longitudinally, in order to improve the uniformity of the layer distribution, it is necessary to corona treat the PET film cast sheet, and t...

Embodiment 1

[0046] Embodiment one: the preparation method of this embodiment comprises the following steps:

[0047] Step 1): Configure the coating solution:

[0048] Prepare raw materials according to the following parts by mass:

[0049] 85 parts of deionized water, 18 parts of polymethyl methacrylate (PMMA) slurry, 6 parts of water-soluble copolyester, 8 parts of leveling agent, and 8 parts of defoamer;

[0050] Mix deionized water, polymethyl methacrylate (PMMA) slurry, water-soluble copolyester, leveling agent, and defoamer in sequence, and stir for 10-60 minutes until a uniformly dispersed coating liquid is formed;

[0051] Step 2): PET film casting processing

[0052] The PET film cast sheet is stretched longitudinally, and the PET film cast sheet that has been stretched longitudinally is subjected to corona treatment.

[0053] Step 3): Coating: Coating the coating solution prepared in step 1) on the corona surface of the PET cast sheet;

[0054] Further, the online coating metho...

Embodiment 2

[0060] Embodiment two: the preparation method of this embodiment is basically the same as embodiment one, and its difference is that the composition of coating liquid is:

[0061] 80 parts of deionized water, 20 parts of polymethyl methacrylate (PMMA) slurry, 5 parts of water-soluble copolyester, 10 parts of leveling agent, and 10 parts of defoamer. The defoamer is ethanol with a volume fraction of 90-99%. The leveling agent is an acrylate homopolymer.

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 relates to a PET film with a coating layer and high ink adhesive force and a preparation method thereof; the PET film comprises a PET film casting piece, corona layers are arranged on the inner and outer surfaces of the PET film casting piece, a coating liquid is uniformly arranged on the corona layer on one side surface of the inner and outer surfaces, and the coating liquid is cured to form a chemical treatment layer; the coating liquid comprises the following components in parts by mass: 80-90 parts of distilled water, 7-20 parts of polymethyl methacrylate (PMMA) slurry, 1-6 parts of water-soluble copolyester, 2-10 parts of a leveling agent and 3-10 parts of a defoamer. According to the product, the binding force is increased through the chemical coating layer instead of surface tension, and thus the phenomenon that the binding force of the ink is reduced due to corona attenuation can be avoided. The preparation method disclosed by the invention is a manufacturing method of the coating polyester film capable of enhancing the UV printing binding force.

Description

technical field [0001] The invention relates to the field of printing, in particular to a coated PET film with high ink adhesion and a preparation method thereof. Background technique [0002] With the continuous change of packaging requirements, many food and pharmaceutical packaging require that the QR code be printed directly on the outer layer of the packaging. This new type of packaging requires not only changing the traditional single-sided printing to double-sided printing, but also the outer printing part without any composite protective layer. Therefore, one side of the product (PET film) is required to ensure the original ink binding force for compounding; the other side is used for surface printing, which requires a high binding force with the ink to ensure that the ink does not fall off during use, while ordinary single-sided PET films with corona or double-sided corona cannot meet the requirements of use. [0003] Based on the above packaging requirements, in ...

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): C08J7/043C09D133/12C09D167/02C08L67/02
CPCC08J7/043C08J7/0427C09D133/12C08J2367/02C08L67/02
Inventor 惠振京石亚东
Owner 安徽省长荣新材料科技有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com