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Antimicrobial sealing label that can be peeled and pasted multiple times and its preparation method and application

An antimicrobial and sealing label technology, applied in the direction of seals, ester copolymer adhesives, adhesive types, etc., can solve problems such as high oxygen permeability and moisture permeability, substandard hygiene and safety, poor sealing effect, etc., to achieve Improve performance and sealing effect, increase the number of times of peeling and pasting, and ensure the effect of safety and sanitation

Active Publication Date: 2018-07-17
GUANGZHOU JINWANZHENG PRINTING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] To sum up, the existing sealing labels that can be repeatedly peeled and pasted mainly have the following problems: 1) The commonly used film substrate has too high oxygen permeability and moisture permeability, resulting in low barrier performance and poor sealing effect of the label; 2) Some labels There is no defense barrier for antibacterial and disinfection, which causes the label to be easily eroded by microorganisms after being opened many times, and the hygiene and safety are not up to standard; 3) The adhesive force of the existing label is reduced or even lost after repeated tearing, opening and pasting, resulting in sealing failure; 4 ) Due to the insufficient surface tension of the adhesive surface of the surface material, when the sealed label is pasted on a layered bag and / or container with a high surface tension, it is easy to cause the adhesive to be torn and pasted many times to transfer and remain on the object to be pasted

Method used

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  • Antimicrobial sealing label that can be peeled and pasted multiple times and its preparation method and application
  • Antimicrobial sealing label that can be peeled and pasted multiple times and its preparation method and application
  • Antimicrobial sealing label that can be peeled and pasted multiple times and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0062] A preparation method of an antimicrobial sealing label material that can be peeled and pasted multiple times, the preparation method comprises the following steps:

[0063] 1) Prepare a film substrate containing a PVDC coating: place the film substrate on the unwinding station of a double-coating head anilox coating machine, and apply a primer on the first anilox coating device to form a bottom Coating, after drying, coat the PVDC coating on the undercoat layer through the second anilox coating device and dry and solidify; then on-line cooling on the anilox coating machine with double coating heads, winding off-line, Placed in an environment of 40-60°C for 40-50h to obtain a film substrate containing PVDC coating;

[0064] 2) preparing an antimicrobial pressure-sensitive adhesive composition: mixing an acrylate pressure-sensitive adhesive with chlorhexidine to prepare an antimicrobial pressure-sensitive adhesive composition;

[0065] 3) Prepare an antimicrobial sealing...

Embodiment 1

[0085] A kind of antimicrobial sealing label material that can be peeled and pasted multiple times is prepared by the following method:

[0086] 1) Prepare a film substrate containing a PVDC coating: place the film substrate on the unwinding station of the double-coating head anilox coater, and coat the polyurethane primer on the first anilox coater to form Undercoat, after drying, coat the PVDC coating on the undercoat through the second anilox coating device and dry and solidify; then on-line cooling on the anilox coating machine with double coating heads, winding off-line , placed in an environment of 40 ° C for 50 hours to obtain a film substrate containing a PVDC coating;

[0087] 2) preparing an antimicrobial pressure-sensitive adhesive composition: mixing an acrylate pressure-sensitive adhesive with chlorhexidine to prepare an antimicrobial pressure-sensitive adhesive composition;

[0088] Acrylate pressure sensitive adhesives are polymerized from the following compone...

Embodiment 2

[0104] A kind of antimicrobial sealing label material that can be peeled and pasted multiple times is prepared by the following method:

[0105] 1) Prepare a film substrate containing a PVDC coating: place the film substrate on the unwinding station of the double-coating head anilox coater, and coat the polyurethane primer on the first anilox coater to form Undercoat, after drying, coat the PVDC coating on the undercoat through the second anilox coating device and dry and solidify; then on-line cooling on the anilox coating machine with double coating heads, winding off-line , placed in an environment of 45 ° C for 45 hours to obtain a film substrate containing a PVDC coating;

[0106] 2) preparing an antimicrobial pressure-sensitive adhesive composition: mixing an acrylate pressure-sensitive adhesive with chlorhexidine to prepare an antimicrobial pressure-sensitive adhesive composition;

[0107] Acrylate pressure sensitive adhesives are polymerized from the following compone...

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Abstract

The invention discloses an antimicrobial sealing label capable of being torn and stuck for a plurality of times and a preparation method and application of the antimicrobial sealing label. The antimicrobial sealing label capable of being torn and stuck for the plurality of times comprises a thin film base material which has oxygen permeability lower than 5.0mL / (m<2> 24h 0.1MPa) and moisture permeability lower than 5g / (m<2> 24h) and contains a PVDC (Polyvinyl Dichloride) coating material, an antimicrobial pressure-sensitive adhesive composition with viscous force greater than 44mN / m and adhesive force greater than 2N / inch, and a release type substrate which has release force smaller than 25g / inch and contains a silicone oil coating. After an antimicrobial sealing label material is cut into a label, the label is used for sealing a product package and has an antibiotic inhibition effect; the sanitation and safety can be effectively ensured, the number of times of tearing and sticking the sealing label and the sealing effect are improved, and a phenomenon that the sealing label is torn from and stuck on an stuck object and an adhesive is remained is avoided.

Description

technical field [0001] The invention belongs to the technical field of labels and materials thereof, and in particular relates to an antimicrobial sealing label material capable of being torn and pasted multiple times, a label and a preparation method and application thereof. Background technique [0002] Pressure-sensitive adhesive labels, as the body of information, can be seen everywhere in daily life. Its basic function is to carry the information of the posted product and its manufacturer, embellish and beautify the posted product. With the development of material science, commodities and their packaging forms are becoming more and more diverse, and the higher functional requirements of labels as information bodies are also becoming more and more diverse. Therefore, the development and application of functional labels are also diversified, and many functional labels have appeared, such as high temperature resistant labels, frozen labels, printable labels, organic solven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F3/02C09J133/08C09J11/06
CPCC08K5/31C09J11/06C09J133/08G09F3/02G09F2003/0241
Inventor 李书锋李书芒
Owner GUANGZHOU JINWANZHENG PRINTING MATERIAL CO LTD
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