Ink jet recording material

• US 20010024713A1
• Filed: 02/14/2001
• Published: 09/27/2001
• Est. Priority Date: 02/22/2000
• Status: Abandoned Application

• Current Assignee: Agfa-Gevaert N.V.
• Original Assignee: Agfa-Gevaert N.V.
• Inventors: Friedel, Horst, Quintens, Dirk, Aert, Huub Van, Gilleir, Jan
• Application Number:
  US09/782,835
• Publication Number:
  US 20010024713A1
• Time in Patent Office: Days
• US Class Current: 428/32.38
• CPC Class Codes: B41M 5/506 Intermediate layers
• CPC Class Codes: B41M 5/508 Supports
• CPC Class Codes: B41M 5/52 Macromolecular coatings
• CPC Class Codes: B41M 5/5218 characterised by inorganic additives, e.g. pigments, clays
• CPC Class Codes: B41M 5/5245 characterised by the use of polymers containing cationic or anionic groups, e.g. mordants
• CPC Class Codes: B41M 5/5254 characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
• CPC Class Codes: B41M 5/529 characterised by the use of fluorine- or silicon-containing organic compounds

Abstract

An ink jet recording material is disclosed comprising a support and an ink receiving layer wherein said ink receiving layer comprises (a) a pigment, (b) a silanol modified polyvinyl alcohol, and (c) a film-forming polymer having a glass transition temperature lower than 50° C.

The recording element is especially suited for outdoor use.

Claims

1. An ink jet recording element comprising a support and an ink receiving layer wherein said ink receiving layer comprises (a) a pigment, (b) a silanol modified polyvinyl alcohol, and (c) a film-forming polymer having a glass transition temperature T_g lower than 50 °

C.

2. An ink jet recording element according to

claim 1

wherein said pigment is a porous inorganic pigment.

3. An ink jet recording element according to

claim 2

wherein said porous inorganic pigment is a silica.

4. An ink jet recording element according to

claim 1

wherein said silica is an amorphous silica having an average particle size between 1 μ

m and 15 μ

m.

5. An ink jet recording element according to

claim 1

wherein said silanol modified polyvinyl alcohol has a silanol modification degree between 0.1% and 10% and a viscosity of a 4% aqueous solution between 1 and 25 mpa.s.

6. An ink jet recording element according to

claim 1

wherein said film-forming polymer having a T_g lower than 50 °

C. is a latex.

7. An ink jet recording element according to

claim 6

wherein said latex is a copoly(styrene-butadiene) latex.

8. An ink jet recording element according to

claim 6

wherein said latex is an acrylate latex.

9. An ink jet recording element according to

claim 1

wherein said ink receiving layer further comprises a cationic substance.

10. An ink jet recording element according to

claim 9

wherein said cationic substance is a poly(diallyldimethylanmonium chloride) or a dimethylamine-epichlorohydrine copolymer.

11. An ink jet recording element according to

claim 1

wherein said element further comprises an adhesive undercoat layer containing an adhesive polymer between said support and said ink receiving layer.

12. An ink jet recording element according to

claim 11

wherein said adhesive polymer is a copoly(styrene-butadiene) latex.

13. An ink jet recording element according to

claim 11

wherein said adhesive polymer is an acrylate latex.

14. An ink jet recording element according to

claim 13

wherein said acrylate latex is ethylacrylate-hydroxyethylmethacrylate copolymer.

15. An ink jet recording element according to

claim 11

wherein said adhesive polymer is a vinylester latex.

16. An ink jet recording element according to

claim 1

wherein said support is an opaque support.