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Antimicrobial heat seal coating compositions

A coating composition, anti-microbial technology, applied in the direction of coatings, ester copolymer adhesives, adhesive types, etc., can solve problems affecting dairy products, etc., improve packaging reliability, reduce hydrogen peroxide operations The effect of exposure

Pending Publication Date: 2020-12-04
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the aseptic conditions are not met, it will affect the packaged dairy products
Hydrogen peroxide is widely used in the dairy industry in addition to other processing possibilities (e.g. UV, steam), but it requires special and / or costly safety precautions to protect workers from exposure to hydrogen peroxide

Method used

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  • Antimicrobial heat seal coating compositions
  • Antimicrobial heat seal coating compositions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1. An antimicrobial heat seal coating composition comprising:

[0040] (A) A copolymer dispersed in a solvent, the copolymer comprising at least one selected from the group consisting of (meth)acrylate (co)polymer, olefin (co)polymer, including (meth)acrylate ) copolymers of acrylate units and olefin units; and

[0041] (B) Antimicrobial agents.

Embodiment 2

[0042] Embodiment 2. The antimicrobial heat seal coating composition of any preceding or subsequent embodiment, wherein the copolymer dispersed in the solvent has a Glass transition temperature of -60 to -30°C.

Embodiment 3

[0043] Embodiment 3. The antimicrobial heat seal coating composition of any preceding or following embodiment, wherein the copolymer dispersed in the solvent has a Glass transition temperature of -50 to -40°C.

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Abstract

Antimicrobial heat seal coating compositions are disclosed comprising (A) a copolymer dispersed in a solvent, the copolymer comprising at least one selected from the group consisting of a (meth)acrylate ester (co)polymer, an olefin (co)polymers, a copolymer comprising (meth)acrylic ester units and olefin units and (B) an antimicrobial agent. Food packaging articles are also disclosed, the food packaging articles comprising the disclosed heat seal coatings. When applied in a food packaging application, such as a dairy food packaging application, the disclosed coatings provide for reduced work exposer to hydrogen peroxide and improved packaging reliability.

Description

technical field [0001] This invention relates to antimicrobial heat seal coatings. The disclosed antimicrobial heat seal coatings are particularly useful in food packaging applications, such as dairy packaging. [0002] In some embodiments, the disclosed heat seal coating comprises (A) a copolymer dispersed in a solvent, the copolymer comprising at least one selected from the group consisting of (meth)acrylate (co) Polymers, olefin (co)polymers, copolymers comprising (meth)acrylate units and olefin units, and combinations thereof, and (B) antimicrobial agents. Also disclosed are food packaging articles comprising the disclosed heat seal coatings. [0003] When applied to food packaging applications such as dairy packaging applications, the disclosed coatings provide reduced hydrogen peroxide handling exposure and improved packaging reliability. Background technique [0004] Heat seal coatings are commonly used in food packaging applications. For example, in dairy packagi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/14C09J123/08C09J133/10C09J133/08
CPCC09D5/14C09D123/0853C09D123/0869C09J123/0853C09J123/0869C09J133/08C09J133/10C08K9/02C09D133/10C09J9/00Y10T428/1352
Inventor T·施密特
Owner DOW GLOBAL TECH LLC
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