초록 ▼

A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into the aqueous suspension; depositing the aqueous suspension onto a sheet-forming fabric to form a wet web; and dewatering a

A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into the aqueous suspension; depositing the aqueous suspension onto a sheet-forming fabric to form a wet web; and dewatering and drying the wet web. The process of the present invention provides cellulosic paper products exhibiting a reduced malodor upon re-wetting.

대표청구항 ▼

What is claimed is: 1. A process for manufacturing a cellulosic paper product, the process comprising: forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into said aqueous suspension in an amount from about 10 to about 15% by weight of papermaking fiber present in s

What is claimed is: 1. A process for manufacturing a cellulosic paper product, the process comprising: forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into said aqueous suspension in an amount from about 10 to about 15% by weight of papermaking fiber present in said aqueous suspension; depositing said aqueous suspension onto a sheet-forming fabric to form a wet web; and through-drying said wet web by passing heated air through said wet web, wherein the temperature of said heated air is at least about 190째 C. 2. A process as set forth in claim 1 wherein said sodium bicarbonate is introduced into said aqueous suspension in an amount from about 12 to about 13% by weight of papermaking fiber present in said aqueous suspension. 3. A process for making a cellulosic paper product, the process comprising: forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into said aqueous suspension in an amount from about 10 to about 15% by weight of papermaking fiber present in said aqueous suspension; depositing said aqueous suspension onto a sheet-forming fabric to form a wet web, said sodium bicarbonate being introduced into said aqueous suspension prior to depositing said aqueous suspension onto said sheet-forming fabric; and through-drying said wet web by passing heated air through said wet web, wherein the temperature of said heated air is at least about 190째 C. 4. A process as set forth in claim 3 wherein said sodium bicarbonate is introduced into said aqueous suspension in an amount from about 12 to about 13% by weight of papermaking fiber present in said aqueous suspension. 5. A process for manufacturing a cellulosic paper product, the process comprising: forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into said aqueous suspension in an amount from about 10 to about 15% by weight of papermaking fiber present in said aqueous suspension; depositing said aqueous suspension onto a sheet-forming fabric to form a wet web; and through-drying said wet web by passing heated air through said wet web. 6. A process as set forth in claim 5 wherein said aqueous suspension has a pH of from about 7.5 to about 8.5 after said sodium bicarbonate is introduced into said suspension. 7. A process as set forth in claim 6 wherein said aqueous suspension has a pH of about 8.0 after said sodium bicarbonate is introduced into said suspension. 8. A process as set forth in claim 5 wherein said sodium bicarbonate is introduced into said aqueous suspension in an amount from about 12 to about 13% by weight of papermaking fiber present in said aqueous suspension. 9. A process as set forth in claim 5 wherein the temperature of said heated air is at least about 190째 C. 10. A process as set forth in claim 9 wherein the temperature of said heated air is from about 190째 to about 210째 C. 11. A process as set forth in claim 10 wherein the temperature of said heated air is from about 200째 to about 205째 C. 12. A process as set forth in claim 5 wherein said papermaking fibers predominantly comprise secondary cellulosic fibers. 13. A process for making a cellulosic paper product, the process comprising: forming an aqueous Suspension of papermaking fibers; introducing sodium bicarbonate into said aqueous suspension in an amount from about 10 to about 15% by weight of papermaking fiber present in said aqueous suspension; depositing said aqueous suspension onto a sheet-forming fabric to form a wet web, said sodium bicarbonate being introduced into said aqueous suspension prior to depositing said aqueous suspension onto said sheet-forming fabric; and through-drying said wet web by passing heated air through said wet web. 14. A process as set forth in claim 13 wherein said aqueous suspension has a pH of from about 7.5 to about 8.5 after said sodium bicarbonate is introduced into said suspension. 15. A process as set forth in claim 14 wherein said aqueous suspension has a pH of about 8.0 after said sodium bicarbonate is introduced into said suspension. 16. A process as set forth in claim 13 wherein said sodium bicarbonate is introduced into said aqueous suspension in an amount from about 12 to about 13% by weight of papermaking fiber present in said aqueous suspension. 17. A process as set forth in claim 13 wherein the temperature of said heated air is at least about 190째 C. 18. A process as set forth in claim 17 wherein the temperature of said heated air is from about 190째 to about 210째 C. 19. A process as set forth in claim 18 wherein the temperature of said heated air is from about 200째 to about 205째 C. 20. A process as set forth in claim 13 wherein said papermaking fibers predominantly comprise secondary cellulosic fibers.