Claims
- 1. A photographic element comprising:
- a polyolefin resin coated paper base;
- at least one light sensitive layer;
- a backing layer formed by coating and subsequent drying of an aqueous coating composition having dispersed therein colloidal inorganic oxide particles, an antistatic agent and a film forming binder comprising a carboxylic acid containing vinyl polymer having a glass transition temperature of greater than 25.degree. C. and an acid number of from 30 to 260 wherein the carboxylic acid containing vinyl polymer is reacted with ammonia or amine so that the coating composition has a pH of from 7 to 10.
- 2. The photographic element according to claim 1 wherein the carboxylic acid containing polymer is obtained by interpolymerizing one or more ethylenically unsaturated monomers containing carboxylic acid groups and other ethylenically unsaturated monomers.
- 3. The photographic element of claim 2 wherein the one or more ethylenically unsaturated monomers containing carboxylic acid groups are selected from the group consisting of acrylic monomers, monoalkyl itaconates, monoalkyl maleates, citraconic acid and styrene carboxylic acids.
- 4. The photographic element of claim 2 wherein the other ethylenically unsaturated monomers are selected from group consisting of alkyl esters of acrylic acid, alkyl esters of methacrylic acid, hydroxyalkyl esters of acrylic acid, hydroxyalkyl esters of methacrylic acid, nitriles of acrylic acid, nitriles of methacrylic acid, amides of acrylic acid, amides of methacrylic acid, vinyl aromatic compounds, dialkyl maleates, dialkyl itaconates, dialkyl methylene-malonates, isoprene and butadiene.
- 5. The photographic element of claim 1 wherein said coating composition further comprises a crosslinking agent.
- 6. The photographic element of claim 1 wherein said coating composition further comprises matte particles.
- 7. The photographic element of claim 1 wherein said coating composition further comprises lubricants.
- 8. The photographic element of claim 1 wherein the colloidal inorganic oxide particles comprise colloidal silica.
- 9. The photographic element of claim 8 wherein the coating composition has a ratio of colloidal silica to film forming binder from 1:5 to 9:1.
- 10. The photographic element of claim 1 wherein the antistatic agent comprises a polyalkylene oxide and an alkali metal salt.
- 11. A photographic paper comprising:
- a polyolefin resin coated paper base;
- a backing layer formed by coating and subsequent drying of an aqueous coating composition having dispersed therein colloidal inorganic oxide particles, an antistatic agent and a film forming binder comprising a carboxylic acid containing vinyl polymer having a glass transition temperature of greater than 25.degree. C. and an acid number of from 30 to 260 wherein the carboxylic acid containing vinyl polymer is reacted with ammonia or amine so that the coating composition has a pH of from 7 to 10.
- 12. The photographic paper according claim 11 wherein the carboxylic acid containing polymer is obtained by interpolymerizing one or more ethylenically unsaturated monomers containing carboxylic acid groups and other ethylenically unsaturated monomers.
- 13. The photographic paper of claim 12 wherein the one or more ethylenically unsaturated monomers containing carboxylic acid groups are selected from the group consisting of acrylic monomers, monoalkyl itaconates, monoalkyl maleates, citraconic acid and styrene carboxylic acids.
- 14. The photographic paper of claim 12 wherein the other ethylenically unsaturated monomers are selected from group consisting of alkyl esters of acrylic acid, alkyl esters of methacrylic acid, hydroxyalkyl esters of acrylic acid, hydroxyalkyl esters of methacrylic acid, nitriles of acrylic acid, nitriles of methacrylic acid, amides of acrylic acid, amides of methacrylic acid, vinyl aromatic compounds, dialkyl maleates, dialkyl itaconates, dialkyl methylene-malonates, isoprene and butadiene.
- 15. The photographic paper of claim 11 wherein said composition further comprises a crosslinking agent.
- 16. The photographic paper of claim 11 wherein said coating composition further comprises matte particles.
- 17. The photographic paper of claim 11 wherein said coating composition further comprises lubricants.
- 18. The photographic element of claim 11 wherein the colloidal inorganic oxide particles comprise colloidal silica.
- 19. The photographic paper of claim 18 wherein the coating composition has a ratio colloidal silica to film forming binder of from 1:5 to 9:1.
- 20. The photographic paper of claim 11 wherein the antistatic agent comprises a polyalkylene oxide and an alkali metal salt.
CROSS REFERENCE TO RELATED APPLICATIONS
This application relates to commonly assigned copending application Ser. No. 07/712,006, Express Mail No. TB440987360 which is filed simultaneously herewith and hereby incorporated by reference for all that it discloses.
This application relates to commonly assigned copending application Ser. No. 08/712,018, Express Mail No. TB440987349 which is filed simultaneously herewith and hereby incorporated by reference for all that it discloses.
This application relates to commonly assigned copending application Ser. No. 08/712,010, Express Mail No. TB44098735X which is filed simultaneously herewith and hereby incorporated by reference for all that it discloses.
This application relates to commonly assigned copending application Ser. No. 08/712,016, Express Mail No. TB440987371 which is filed simultaneously herewith and hereby incorporated by reference for all that it discloses.
This application relates to commonly assigned copending application Ser. No. 08/712,016, Express Mail No. TB440987404 which is filed simultaneously herewith and hereby incorporated by reference for all that it discloses.
US Referenced Citations (14)
Non-Patent Literature Citations (1)
Entry |
Journal of Applied Polymer Science, vol. 39, pp. 2119-2128 (1990). |