GB931856A - A method for producing a surface layer of increased brightness on lignocellulose containing material - Google Patents
A method for producing a surface layer of increased brightness on lignocellulose containing materialInfo
- Publication number
- GB931856A GB931856A GB4679261A GB4679261A GB931856A GB 931856 A GB931856 A GB 931856A GB 4679261 A GB4679261 A GB 4679261A GB 4679261 A GB4679261 A GB 4679261A GB 931856 A GB931856 A GB 931856A
- Authority
- GB
- United Kingdom
- Prior art keywords
- increased brightness
- producing
- surface layer
- sodium
- containing material
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 title abstract 6
- 239000002344 surface layer Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000007844 bleaching agent Substances 0.000 abstract 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 241000274582 Pycnanthus angolensis Species 0.000 abstract 1
- JQDZNJOONPXQSL-UHFFFAOYSA-N [acetyloxy-[2-(diacetyloxyamino)ethyl]amino] acetate;sodium Chemical compound [Na].CC(=O)ON(OC(C)=O)CCN(OC(C)=O)OC(C)=O JQDZNJOONPXQSL-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000007857 degradation product Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011087 paperboard Substances 0.000 abstract 1
- 238000009895 reductive bleaching Methods 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910000033 sodium borohydride Inorganic materials 0.000 abstract 1
- 239000012279 sodium borohydride Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 abstract 1
- CAAIULQYGCAMCD-UHFFFAOYSA-L zinc;hydroxymethanesulfinate Chemical compound [Zn+2].OCS([O-])=O.OCS([O-])=O CAAIULQYGCAMCD-UHFFFAOYSA-L 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/32—Bleaching agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1274060 | 1960-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB931856A true GB931856A (en) | 1963-07-17 |
Family
ID=20296236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4679261A Expired GB931856A (en) | 1960-12-31 | 1961-12-29 | A method for producing a surface layer of increased brightness on lignocellulose containing material |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB931856A (enExample) |
| NL (1) | NL272946A (enExample) |
-
0
- NL NL272946D patent/NL272946A/xx unknown
-
1961
- 1961-12-29 GB GB4679261A patent/GB931856A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL272946A (enExample) |
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