Claims
- 1. A dye fixing element comprising a support having provided thereon a dye fixing layer which mordants a diffusable dye, wherein at least one of said dye fixing layer or a layer adjacent thereto contains a combination of water-soluble polymers which exhibit phase separation from each other so as to give a matted appearance, wherein the combination of water-soluble polymers is selected from the following combinations (1) to (65):
- (1) gelatin and hydroxyethyl cellulose,
- (2) phthalized gelatin and polyacrylate,
- (3) phthalized gelatin and polymethacrylate,
- (4) phthalized gelatin and a block polymer of vinyl alcohol and acrylic acid,
- (5) phthalized gelatin and polyethylene glycol (molecular weight: 20,000),
- (6) phthalized gelatin and polyacrylamide,
- (7) phthalized gelatin and gum arabic,
- (8) phthalized gelatin and carboxymethyl cellulose,
- (9) sodium or ammonium polyacrylate and polymethacrylate,
- (10) sodium polyacrylate and a block polymer of vinyl alcohol and acrylic acid,
- (11) sodium polyacrylate and polyethylene glycol (molecular weight: 20,000),
- (12) sodium polyacrylate and polyacrylamide,
- (13) sodium polyacrylate and pullulan,
- (14) sodium polyacrylate and gum arabic,
- (15) sodium polyacrylate and sodium alginate,
- (16) sodium polyacrylate and poly(potassium vinylbenzenesulfonate),
- (17) sodium polyacrylate and ##STR40## (18) sodium polyacrylate and carboxy methyl cellulose, (19) sodium polymethylate and hydroxymethyl cellulose,
- (20) sodium polymethacrylate and a copolymer of vinyl alcohol and acrylic acid,
- (21) sodium polymethacrylate and polyvinyl alcohol,
- (22) sodium polymethacrylate and polyethylene glycol (molecular weight: 20,000),
- (23) sodium polymethacrylate and polyacrylamide,
- (24) sodium polymethacrylate and pullulan,
- (25) sodium polymethacrylate and gum arabic,
- (26) sodium polymethacrylate and poly(potassium vinylbenzenesulfonate),
- (27) sodium polymethacrylate and ##STR41## (28) sodium polymethacrylate and carboxymethyl cellulose, (29) dextran and a block polymer of vinyl alcohol and acrylic acid,
- (30) hydroxymethyl cellulose and a block polymer of vinyl alcohol and acrylic acid,
- (31) hydroxyethyl cellulose and polyvinyl alcohol,
- (32) hydroxyethyl cellulose and polyethylene glycol (molecular weight: 20,000),
- (33) hydroxyethyl cellulose and polyacylamide,
- (34) hydroxyethyl cellulose and pullulan,
- (35) hydroxyethyl cellulose and dextran,
- (36) hydroxyethyl cellulose and gum arabic,
- (37) polyethylene glycol (molecular weight: 20,000) and polyacrylamide,
- (38) polyethylene glycol (molecular weight: 20,000) and polyvinylpyrrolidone,
- (39) polyethylene glycol (molecular weight: 20,000) and dextran,
- (40) polyethylene glycol (molecular weight: 20,000) and gum arabic,
- (41) polyethylene glycol (molecular weight: 20,000) and sodium alginate,
- (42) polyethylene glycol (molecular weight: 20,000) and poly(potassium vinylbenzenesulfonate),
- (43) polyvinyl alcohol and polyethylene glycol (molecular weight: 20,000),
- (44) polyvinyl alcohol and polyacrylamide,
- (45) polyvinylpyrrolidone and pullulan,
- (46) polyvinylpyrrolidone and dextran,
- (47) polyvinylpyrrolidone and carboxymethyl cellulose,
- (48) sodium alginate and carboxymethyl cellulose,
- (49) sodium alginate and ##STR42## (50) poly(potassium vinylbenzenesulfonate) and ##STR43## (51) methyl cellulose and hydroxyethyl cellulose, (52) methyl cellulose and polyvinyl alcohol,
- (53) methyl cellulose and polyethylene glycol (molecular weight: 20,000),
- (54) methyl cellulose and polyacrylamide,
- (55) methyl cellulose and pullulan,
- (56) methyl cellulose and gum arabic,
- (57) methyl cellulose and dextran,
- (58) methyl cellulose and sodium alginate,
- (59) methyl cellulose and poly(potassium vinylbenzenesulfonate),
- (60) methyl cellulose and ##STR44## (61) poly(potassium vinylbenzenesulfonate) and carboxymethyl cellulose, (62) methyl cellulose and carboxymethyl cellulose,
- (63) polyethylene glycol (molecular weight: 20,000) and carboxymethyl cellulose,
- (64) polyethylene oxide (molecular weight: 3000,000) and polyvinyl alcohol,
- (65) carboxymethyl cellulose and polyvinyl alcohol.
- 2. An element as in claim 1, wherein at least one of said dye fixing layer or a layer adjacent thereto is prepared by coating and drying a coating solution, said coating solution comprising a solution containing said combination of water soluble polymers, said combination of polymers being substantially in a single phase condition prior to coating, and said combination of polymers separating into a two or more phase condition to give a mat appearance upon coating and drying.
- 3. An element as in claim 1, wherein one polymer is sodium alginate and another polymer is selected from carboxymethyl cellulose and ##STR45##
- 4. An element as in claim 2, wherein the viscosity of at least one of the polymers is 200 cps or less determined as a 5 wt % solution in water.
- 5. An element as in claim 2, wherein said drying is carried out at a temperature of -10.degree. C. to 70.degree. C.
- 6. An element as in claim 1, wherein said microphase separation structure is in the form of islets having a diameter of from 0.2 to 100 .mu.m.
- 7. An element as in claim 1, wherein said microphase separation structure is in the form of islets having a diameter of from 0.5 to 50 .mu.m.
- 8. An element as in claim 1, wherein said microphase separation structure is in the form of islets having a diameter of from 1 to 30 .mu.m.
- 9. An element as in claim 2, wherein said coating and drying steps comprise coating at a temperature above room temperature followed by cooling to a temperature at which phase separation occurs, drying sufficiently to prevent reversion to the single phase condition when the temperature is raised, and completion of drying.
- 10. An element as in claim 2, wherein said coating steps comprise coating at a temperature of from room temperature to 40.degree. C., and drying at a temperature of 60.degree. C. or higher to accomplish drying and phase separation.
- 11. An element in claim 1, wherein the water-soluble polymers are incorporated in the dye fixing layer.
- 12. A dye fixing element as in claim 1, wherein the water-soluble polymers are incorporated in the outermost layer of the dye fixing element.
- 13. A dye fixing element as in claim 1, wherein the dye fixing element is capable of fixing a diffusible dye which is imagewise formed.
- 14. An element as in claim 1, wherein one polymer is poly(potassium vinylbenzenesulfonate) and another polymer is ##STR46##
- 15. An element as in claim 1, wherein one of the polymers is phthalized gelatin and another of the polymers is selected from a polyacrylate, a polymethacrylate, a block polymer of vinyl alcohol and acrylic acid, polyethylene glycol with a molecular weight of 20,000, polyacrylamide, gum arabic and carboxymethyl cellulose.
- 16. An element as in claim 1, wherein one of the polymers is sodium polyacrylate and another of the polymers is selected from a polymethacrylate, a block polymer of vinyl alcohol and acrylic acid, polyethylene glycol with a molecular weight of 20,000, polyacrylamide, pullulan, gum arabic, sodium alginate, poly(potassium vinylbenzenesulfonate), ##STR47## and carboxymethyl cellulose.
- 17. An element in claim 1, wherein one polymer is sodium polymethacrylate and another polymer is selected from hydroxymethyl cellulose, a copolymer of vinyl alcohol and acrylic acid, polyvinyl alcohol, polyethylene glycol with a molecular weight of 20,000, polyacrylamide, pullulan, gum arabic, poly(potassium vinylbenzenesulfonate), ##STR48## and carboxymethyl cellulose.
- 18. An element as in claim 1, wherein one polymer is a block copolymer of vinyl alcohol and acrylic acid and another polymer is hydroxymethyl cellulose.
- 19. An element as in claim 1, wherein one polymer is hydroxyethyl cellulose and another polymer is selected from polyvinyl alcohol, polyethylene glycol with a molecular weight of 20,000, polyacrylamide, pullulan, gum arabic and gelatin.
- 20. An element as in claim 1, wherein one polymer is polyethylene glycol with a molecular weight of 20,000 and another polymer is selected from polyacrylamide, polyvinylpyrrolidone, gum arabic, sodium alginate, poly(potassium vinylbenzenesulfonate), polyvinyl alcohol, and carboxymethyl cellulose.
- 21. An element as in claim 1, wherein one polymer is methyl cellulose and another polymer is selected from hydroxyethyl cellulose, polyvinyl alcohol, polyethylene glycol with a molecular weight of 20,000, polyacrylamide, pullulan, gum arabic, sodium alginate, poly(potassium vinylbenzenesulfonate), and ##STR49## ##STR50##
- 22. An element as in claim 1, wherein one polymer is polyvinyl alcohol and the other polymer is selected from polyacrylamide, polyethylene oxide and carboxymethyl cellulose.
- 23. An element as in claim 1, wherein one polymer is polyvinyl pyrrolidone and another polymer is selected from pullulan, and carboxyethyl cellulose.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-32423 |
Feb 1988 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 07/310,552, filed Feb. 15, 1989, now abandoned.
US Referenced Citations (6)
Continuations (1)
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Number |
Date |
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Parent |
310552 |
Feb 1989 |
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