JPS5455606A - Chemical postttreating method and production of needleeleaf pulp for special paper - Google Patents
Chemical postttreating method and production of needleeleaf pulp for special paperInfo
- Publication number
- JPS5455606A JPS5455606A JP11470478A JP11470478A JPS5455606A JP S5455606 A JPS5455606 A JP S5455606A JP 11470478 A JP11470478 A JP 11470478A JP 11470478 A JP11470478 A JP 11470478A JP S5455606 A JPS5455606 A JP S5455606A
- Authority
- JP
- Japan
- Prior art keywords
- postttreating
- needleeleaf
- pulp
- chemical
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Cosmetics (AREA)
- Sanitary Thin Papers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2742262A DE2742262C2 (en) | 1977-09-20 | 1977-09-20 | Process for the production of a medium to high viscosity softwood sulphite pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5455606A true JPS5455606A (en) | 1979-05-02 |
Family
ID=6019413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11470478A Pending JPS5455606A (en) | 1977-09-20 | 1978-09-20 | Chemical postttreating method and production of needleeleaf pulp for special paper |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS5455606A (en) |
AR (1) | AR218936A1 (en) |
AT (1) | AT367812B (en) |
BE (1) | BE870607A (en) |
BR (1) | BR7806050A (en) |
CA (1) | CA1133660A (en) |
CH (1) | CH638003A5 (en) |
DE (1) | DE2742262C2 (en) |
ES (1) | ES472687A1 (en) |
FI (1) | FI68273C (en) |
FR (1) | FR2403418A1 (en) |
GB (1) | GB2005743B (en) |
IT (1) | IT1109111B (en) |
NO (1) | NO153978C (en) |
SE (1) | SE7809831L (en) |
ZA (1) | ZA785356B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58132190A (en) * | 1982-01-28 | 1983-08-06 | ペ・セ・ユ−・カ・プロデユイ・シミク・ユ−ジヌ・ク−ルマン | Treatment of papermaking chemical pulp |
JPH05148784A (en) * | 1991-04-30 | 1993-06-15 | Eka Nobel Ab | Method for bleaching lignocellulose- containing pulp |
US6398908B1 (en) | 1991-04-30 | 2002-06-04 | Eka Nobel Ab | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4031597A1 (en) * | 1990-10-05 | 1992-04-09 | Sueddeutsche Kalkstickstoff | METHOD FOR LOW-CHLORINE BLEACHING AND DELIGNIFICATION OF CELLULAR |
DE102007036376A1 (en) * | 2007-07-31 | 2009-02-05 | Voith Patent Gmbh | Bleached pulp |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2026068A (en) * | 1929-09-11 | 1935-12-31 | Du Pont | Process for the improvement of cellulose |
DE753531C (en) * | 1938-11-09 | 1953-05-18 | Degussa | Process for bleaching pulp |
-
1977
- 1977-09-20 DE DE2742262A patent/DE2742262C2/en not_active Expired
-
1978
- 1978-08-18 NO NO782820A patent/NO153978C/en unknown
- 1978-08-18 ES ES472687A patent/ES472687A1/en not_active Expired
- 1978-08-21 FR FR7824288A patent/FR2403418A1/en active Granted
- 1978-09-15 BR BR7806050A patent/BR7806050A/en unknown
- 1978-09-19 BE BE6046608A patent/BE870607A/en not_active IP Right Cessation
- 1978-09-19 IT IT69162/78A patent/IT1109111B/en active
- 1978-09-19 CH CH978978A patent/CH638003A5/en not_active IP Right Cessation
- 1978-09-19 SE SE7809831A patent/SE7809831L/en unknown
- 1978-09-19 AT AT0675678A patent/AT367812B/en not_active IP Right Cessation
- 1978-09-19 GB GB7837320A patent/GB2005743B/en not_active Expired
- 1978-09-20 FI FI782869A patent/FI68273C/en not_active IP Right Cessation
- 1978-09-20 CA CA311,653A patent/CA1133660A/en not_active Expired
- 1978-09-20 AR AR273785A patent/AR218936A1/en active
- 1978-09-20 ZA ZA00785356A patent/ZA785356B/en unknown
- 1978-09-20 JP JP11470478A patent/JPS5455606A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58132190A (en) * | 1982-01-28 | 1983-08-06 | ペ・セ・ユ−・カ・プロデユイ・シミク・ユ−ジヌ・ク−ルマン | Treatment of papermaking chemical pulp |
JPH0217679B2 (en) * | 1982-01-28 | 1990-04-23 | Atochem | |
JPH05148784A (en) * | 1991-04-30 | 1993-06-15 | Eka Nobel Ab | Method for bleaching lignocellulose- containing pulp |
US6398908B1 (en) | 1991-04-30 | 2002-06-04 | Eka Nobel Ab | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound |
Also Published As
Publication number | Publication date |
---|---|
IT7869162A0 (en) | 1978-09-19 |
ES472687A1 (en) | 1979-02-16 |
NO153978C (en) | 1986-06-25 |
FR2403418A1 (en) | 1979-04-13 |
BE870607A (en) | 1979-03-19 |
AT367812B (en) | 1982-08-10 |
CH638003A5 (en) | 1983-08-31 |
ZA785356B (en) | 1979-09-26 |
AR218936A1 (en) | 1980-07-15 |
FI782869A (en) | 1979-03-21 |
GB2005743A (en) | 1979-04-25 |
SE7809831L (en) | 1979-03-21 |
NO782820L (en) | 1979-03-21 |
NO153978B (en) | 1986-03-17 |
IT1109111B (en) | 1985-12-16 |
DE2742262C2 (en) | 1982-06-09 |
GB2005743B (en) | 1982-03-03 |
CA1133660A (en) | 1982-10-19 |
FR2403418B1 (en) | 1982-07-02 |
BR7806050A (en) | 1979-05-02 |
ATA675678A (en) | 1981-12-15 |
FI68273B (en) | 1985-04-30 |
DE2742262A1 (en) | 1979-03-29 |
FI68273C (en) | 1985-08-12 |
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