Resin-coated paper support

• US 20030235707A1
• Filed: 04/11/2003
• Published: 12/25/2003
• Est. Priority Date: 04/11/2002
• Status: Abandoned Application

• Current Assignee: Fuji Photo Film Co Limited (Fujifilm Holdings Corporation)
• Original Assignee: Fuji Photo Film Co Limited (Fujifilm Holdings Corporation)
• Inventors: Aono, Toshiaki
• Application Number:
  US10/411,377
• Publication Number:
  US 20030235707A1
• Time in Patent Office: Days
• US Class Current: 428/500
• CPC Class Codes: D21H 19/44 characterised by the other ingredients, e.g. the binder or dispersing agent
• CPC Class Codes: Y10T 428/24934 including paper layer
• CPC Class Codes: Y10T 428/31855 Of addition polymer from unsaturated monomers

Abstract

A resin-coated paper support (coated paper) including a resin coating layer on a paper support, in which the resin coating layer contains a water-soluble polymer having a hydrophobic group at a terminal thereof, and a hydrophobic dispersion.

Claims

1. A resin-coated paper support comprising a resin coating layer on a paper support, wherein the resin coating layer comprises a water-soluble polymer having a hydrophobic group at a terminal thereof, and a hydrophobic dispersion.

2. A resin-coated paper support according to claim 1, wherein a base paper used in the paper support contains wood pulp as a main material thereof and comprises synthetic fibers.

3. A resin-coated paper support according to claim 1, wherein an overall freeness of the pulp used in the paper support is 150 to 500 mL in CSF standards.

4. A resin-coated paper support according to claim 1, wherein a basis weight of a base paper used in the paper support is 20 to 300 g/m².

5. A resin-coated paper support according to claim 1, wherein a thickness of a base paper used in the paper support is 25 to 350 μ

m.

6. A resin-coated paper support according to claim 1, wherein a content of the hydrophobic dispersion in the resin coating layer is 5 to 40% by mass.

7. A resin-coated paper support according to claim 1, wherein the hydrophobic dispersion comprises at least one selected from the group consisting of (1) at least one kind of dispersion selected from a pigment, a latex, an emulsion and a wax, (2) a solid dispersion of a functional water-insoluble low-molecular compound and (3) microcapsules.

8. A resin-coated paper support according to claim 7, wherein the functional water-insoluble low-molecular compound is an ultraviolet ray absorbent.

9. A resin-coated paper support according to claim 1, wherein the water-soluble polymer having a hydrophobic group at a terminal is a compound represented by the following general formula (I):

R—

X

Y

_n—

H  

 

General formula (I)

wherein, in general formula (I), R represents a hydrophobic group or a hydrophobic polymer;

X represents a divalent linking group having a hetero linkage;

Y contains at least one of structural units represented by A, C and D shown below and simultaneously contains, in an amount of 0 to 40 mol %, a structural unit represented by B shown below; and

n is an integer from 2 to 3500,

10. A resin-coated paper support according to claim 9, wherein the hydrophobic dispersion comprises at least one selected from the group consisting of (1) at least one kind of dispersion selected from a pigment, a latex, an emulsion and a wax, (2) a solid dispersion of a functional water-insoluble low-molecular compound and (3) microcapsules.

11. A resin-coated paper support according to claim 9, wherein R is a hydrophobic group including one selected from the group consisting of a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group and a substituted or unsubstituted alicyclic group.

12. A resin-coated paper support according to claim 9, wherein R is a hydrophobic polymer containing one selected from the group consisting of polystyrene, polymethacrylate, polyacrylate, polyvinyl chloride, and derivatives thereof.

13. A resin-coated paper support according to claim 9, wherein R is a hydrophobic polymer having a polymerization degree of 2 to 500.

14. A resin-coated paper support according to claim 9, wherein a ratio of R to Y by mass satisfies 0.001≦

R/Y≦

2.

15. A resin-coated paper support according to claim 9, wherein a ratio of R to Y by mass satisfies 0.01≦

R/Y≦

1.

16. A resin-coated paper support according to claim 9, wherein n is from 4 to 1000.

17. A resin-coated paper support according to claim 9, wherein n is from 8 to 300.

18. A resin-coated paper support according to claim 9, wherein an amount of the compound represented by the general formula (I) is 1 to 50% by mass based on an amount of the hydrophobic dispersion.

19. A resin-coated paper support according to claim 9, wherein an amount of the compound represented by the general formula (I) is 3 to 30% by mass based on an amount of the hydrophobic dispersion.

20. A resin-coated paper support according to claim 9, wherein an amount of the compound represented by the general formula (I) is 5 to 20% by mass based on an amount of the hydrophobic dispersion.