CH423743A - Procédé de fabrication de cellulose riche en cellulose a - Google Patents
Procédé de fabrication de cellulose riche en cellulose aInfo
- Publication number
- CH423743A CH423743A CH826963A CH826963A CH423743A CH 423743 A CH423743 A CH 423743A CH 826963 A CH826963 A CH 826963A CH 826963 A CH826963 A CH 826963A CH 423743 A CH423743 A CH 423743A
- Authority
- CH
- Switzerland
- Prior art keywords
- cellulose
- rich
- manufacturing
- manufacturing cellulose
- cellulose rich
- Prior art date
Links
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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Processing Of Solid Wastes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US260822A US3305433A (en) | 1963-02-25 | 1963-02-25 | Cold caustic refining of cellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH423743A true CH423743A (fr) | 1966-11-15 |
Family
ID=22990760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH826963A CH423743A (fr) | 1963-02-25 | 1963-07-03 | Procédé de fabrication de cellulose riche en cellulose a |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3305433A (fr) |
| AT (1) | AT253916B (fr) |
| BE (1) | BE633461A (fr) |
| CH (1) | CH423743A (fr) |
| DE (1) | DE1243506B (fr) |
| ES (1) | ES288376A1 (fr) |
| FI (1) | FI42033B (fr) |
| GB (1) | GB971979A (fr) |
| NL (1) | NL293231A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1792227B1 (de) * | 1968-02-02 | 1971-10-28 | Eastman Kodak Co | Verfahren zum UEberfuehren von ungebleichtem Sulfitzellstoff in einen veresterungsreinen Zellstoff |
| USRE32408E (en) * | 1982-09-29 | 1987-04-28 | Masonite Corporation | Lignosulfonate-phenol-formaldehyde resin binder |
| US6716310B2 (en) | 2001-12-31 | 2004-04-06 | Kimberly-Clark Worldwide, Inc. | Process for manufacturing a cellulosic paper product exhibiting reduced malodor |
| US7854847B2 (en) * | 2006-11-09 | 2010-12-21 | Rayonier Trs Holdings Inc. | Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical |
| EA024458B1 (ru) * | 2014-05-19 | 2016-09-30 | Сумгаитский Государственный Университет | Способ активации целлюлозы |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE379997A (fr) * | 1930-07-26 | |||
| US1935580A (en) * | 1930-09-06 | 1933-11-14 | Brown Co | Processing of cellulose fiber |
| US3068141A (en) * | 1959-09-10 | 1962-12-11 | Eastman Kodak Co | Method of refining kraft wood pulp |
-
0
- BE BE633461D patent/BE633461A/xx unknown
- NL NL293231D patent/NL293231A/xx unknown
-
1963
- 1963-02-25 US US260822A patent/US3305433A/en not_active Expired - Lifetime
- 1963-05-20 GB GB19996/63A patent/GB971979A/en not_active Expired
- 1963-05-25 ES ES288376A patent/ES288376A1/es not_active Expired
- 1963-06-24 FI FI1273/63A patent/FI42033B/fi active
- 1963-07-03 CH CH826963A patent/CH423743A/fr unknown
- 1963-11-07 AT AT891863A patent/AT253916B/de active
-
1964
- 1964-02-21 DE DER37271A patent/DE1243506B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL293231A (fr) | |
| AT253916B (de) | 1967-04-25 |
| BE633461A (fr) | |
| ES288376A1 (es) | 1963-12-01 |
| US3305433A (en) | 1967-02-21 |
| DE1243506B (de) | 1967-06-29 |
| FI42033B (fr) | 1969-12-31 |
| GB971979A (en) | 1964-10-07 |
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