Release inkjet printing ink articles

Patent metadata

Field	Value
Publication number	US-2022017784-A1
Application number	US-201917309594-A
Country	US
Kind code	A1
Filing date	Dec 11, 2019
Priority date	Dec 12, 2018
Publication date	Jan 20, 2022
Grant date	—

Abstract

An article and a method of making thereof. The article includes a polymeric film having a first major surface and a second major surface; a first plurality of domains of a first inkjet printing ink comprising a first low adhesion backsize coating composition deposited on the first major surface of the polymeric film; and a second plurality of domains of a second inkjet printing ink comprising a second low adhesion backsize coating composition deposited on the first major surface of the polymeric film; wherein the first and second low adhesion backsize coating composition has a viscosity between 1 to 30 cp at a printing temperature between 20 to 70 degrees Celsius; and wherein at least some of the first plurality of domains overlaps some of the second plurality of domains.

First claim

1 . An article, comprising:
a polymeric film having a first major surface and a second major surface; a first plurality of domains of a first inkjet printing ink comprising a first low adhesion backsize coating composition deposited on the first major surface of the polymeric film; and a second plurality of domains of a second inkjet printing ink comprising a second low adhesion backsize coating composition deposited on the first major surface of the polymeric film; wherein the first and second low adhesion backsize coating composition has a viscosity between 1 to 30 cp at a printing temperature between 20 to 70 degrees Celsius; and wherein at least some of the first plurality of domains overlaps some of the second plurality of domains.

2 . The article of claim 1 , wherein the low adhesion backsize coating composition comprises at least one of Mono(meth)acrylates, Di(meth)acrylates, aliphatic (meth)acrylates, fluorinated (meth)acrylates, Poly(dimethylsiloxane-co-diphenylsiloxane), divinyl terminated, and Poly(dimethylsiloxane), mono(meth)acrylate terminated.

3 . The article of claim 1 , wherein the polymeric film comprises at least one of polyesters, polyolefins, polytetrafluoroethylene, polyvinyl chloride, polycarbonates, polyacrylates, polyurethanes, and cellulosic.

4 . The article of claim 1 , wherein the polymeric film is a polyethylene terephthalate film.

5 . The article of claim 1 , wherein the first and second low adhesion backsize coating compositions are curable.

6 . The article of claim 1 , wherein the release force of the polymeric film is from 10 g/in to 1000 g/in.

7 . The article of claim 1 , wherein the first low adhesion backsize coating composition is different from the second low adhesion backsize coating composition.

8 . The article of claim 1 , further comprising an adhesive on the second major surface of the polymeric film.

9 . The article of claim 1 , wherein the first plurality of domains and the second plurality of domains cover 1% to 99% of the first major surface.

10 . The article of claim 1 , wherein the average space between each domain of the first plurality of domains or the second plurality of domains is between 0 and 50 mils.

11 . The article of claim 1 , wherein between 1% to 99% of the first plurality of domains and the second plurality of domains are overlapped.

12 . A method, comprising:
providing a polymeric film having a first major surface and a second major surface; depositing a first inkjet printing ink comprising a first low adhesion backsize coating composition onto the first major surface of the polymeric film; and depositing a second inkjet printing ink comprising a second low adhesion backsize coating composition onto the first major surface of the polymeric film; curing the first and second inkjet printing ink to form a first plurality of domains of the first inkjet printing ink and a second plurality of domains of the second inkjet printing ink.

13 . The method of claim 12 , wherein the low adhesion backsize coating composition has a viscosity between 1 to 30 cp at a printing temperature between 20 to 70 degrees Celsius.

14 . The method of claim 12 , further comprising applying an adhesive onto the second major surface of the polymeric film.

Assignees

• 3M Innovative Properties Co

Inventors

• Kobe Taylor J
• Getschel Joel A
• Fansler Duane D

Classifications

• C09D11/30

  Inkjet printing inks · CPC title

• C09J2433/005

  in the release coating · CPC title

• C09J7/203 Primary

  characterised by the structure of the release feature on the carrier layer · CPC title

• C09J7/255

  Polyesters · CPC title

• C09J2483/005

  in the release coating · CPC title