CH265855A - Procédé de blanchiment de fibres de bois contenant du bois défibré. - Google Patents
Procédé de blanchiment de fibres de bois contenant du bois défibré.Info
- Publication number
- CH265855A CH265855A CH265855DA CH265855A CH 265855 A CH265855 A CH 265855A CH 265855D A CH265855D A CH 265855DA CH 265855 A CH265855 A CH 265855A
- Authority
- CH
- Switzerland
- Prior art keywords
- wood
- fibers containing
- bleaching
- containing defibrated
- wood fibers
- Prior art date
Links
- 229920002522 Wood fibre Polymers 0.000 title 1
- 238000004061 bleaching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000002023 wood Substances 0.000 title 1
- 239000002025 wood fiber Substances 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US698402A US2510595A (en) | 1946-09-20 | 1946-09-20 | Method of bleaching groundwood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH265855A true CH265855A (fr) | 1949-12-31 |
Family
ID=24805088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH265855D CH265855A (fr) | 1946-09-20 | 1947-06-16 | Procédé de blanchiment de fibres de bois contenant du bois défibré. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2510595A (fr) |
| CH (1) | CH265855A (fr) |
| FR (1) | FR951863A (fr) |
| GB (1) | GB626794A (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2613579A (en) * | 1947-08-27 | 1952-10-14 | Buffalo Electro Chem Co | Sizing and bleaching a wet web |
| US2692181A (en) * | 1950-03-08 | 1954-10-19 | Buffalo Electro Chem Co | Treatment of unbleached sulfite pulp |
| US2661261A (en) * | 1950-06-30 | 1953-12-01 | Buffalo Electro Chem Co | Method of superbleaching chemical pulp |
| US2687942A (en) * | 1951-03-19 | 1954-08-31 | Du Pont | Bleaching of groundwood-sulfite pulp mixtures |
| US2723179A (en) * | 1951-03-31 | 1955-11-08 | Cons Water Power & Paper Co | Bleaching a mixture of sulfite and semi-chemical pulps |
| US2872280A (en) * | 1953-05-27 | 1959-02-03 | Fmc Corp | Process of bleaching cellulose pulps by absorbing alkali in the pulp and then applying hydrogen peroxide |
| NL202075A (fr) * | 1954-11-19 | Fmc Corp | ||
| US2960382A (en) * | 1955-05-13 | 1960-11-15 | Armstrong Cork Co | Method of bleaching linoleum using hydrogen peroxide bleach |
| US2860945A (en) * | 1955-07-28 | 1958-11-18 | Du Pont | Bleaching cyanoethylated cotton fibers with hydrogen peroxidephosphate solution and optionally with water-soluble sulfoxylate solution |
| US3423283A (en) * | 1965-09-02 | 1969-01-21 | Dow Chemical Co | Process of bleaching a sheet of groundwood pulp |
| US3507744A (en) * | 1966-04-01 | 1970-04-21 | Kimberly Clark Co | Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions |
| US4014737A (en) * | 1975-05-19 | 1977-03-29 | Brennan Robert M | Method of molding preform having 600% by weight water |
| DE69517199T2 (de) * | 1994-12-28 | 2000-12-14 | Minerals Technologies Inc., New York | Bleichen von füllstoffhaltigem papier |
| CN116989538A (zh) * | 2023-08-03 | 2023-11-03 | 赣南师范大学 | 一种溶解浆浆板的干燥方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1409799A (en) * | 1921-06-17 | 1922-03-14 | George M Trostel | Method of bleaching pulp |
| US2107297A (en) * | 1934-03-08 | 1938-02-08 | Buffalo Electro Chem Co | Bleaching fiber |
| US2125634A (en) * | 1937-03-29 | 1938-08-02 | Oxford Paper Co | Method of bleaching pulp or paper webs |
| US2150926A (en) * | 1937-07-03 | 1939-03-21 | Buffalo Electro Chem Co | Process of making and bleaching paper |
| US2191431A (en) * | 1938-04-13 | 1940-02-20 | Buffalo Electro Chem Co | Wood bleaching |
| US2435566A (en) * | 1944-10-16 | 1948-02-10 | West Virginia Pulp & Paper Co | Peroxide bleaching of ground wood |
-
1946
- 1946-09-20 US US698402A patent/US2510595A/en not_active Expired - Lifetime
-
1947
- 1947-06-02 GB GB14533/47A patent/GB626794A/en not_active Expired
- 1947-06-16 CH CH265855D patent/CH265855A/fr unknown
- 1947-08-09 FR FR951863D patent/FR951863A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB626794A (en) | 1949-07-21 |
| US2510595A (en) | 1950-06-06 |
| FR951863A (fr) | 1949-11-04 |
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