GB1024352A - Process for the treatment of fillers for paper - Google Patents
Process for the treatment of fillers for paperInfo
- Publication number
- GB1024352A GB1024352A GB4183963A GB4183963A GB1024352A GB 1024352 A GB1024352 A GB 1024352A GB 4183963 A GB4183963 A GB 4183963A GB 4183963 A GB4183963 A GB 4183963A GB 1024352 A GB1024352 A GB 1024352A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- cellulose
- particles
- washed
- filtered
- 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
Classifications
-
- 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
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
Paper filler particles, e.g. pigmentary kaolinite or titanium dioxide, are coated with cellulose by precipitating the cellulose from solution on to the particles. The cellulose to pigment ratio may be from 1 : 30 to 1 : 3. Precipitation is achieved by acidifying, e.g. with a sulphuric acid-sodium sulphate solution, a xanthogenate or cuprammonium cellulose solution, or by dilution of a solution of cellulose in a concentrated salt solution. A slurry of 2 parts of pigment particles and 3 parts of water is added to the cellulose solution, and the solution mixed and added to a coagulation bath in thin streams with violent stirring. The precipitate is filtered, washed with 1% Na2S, washed, optionally bleached and filtered.ALSO:Paper filler particles, e.g. pigmentary kaolinite or titanium dioxide, are coated with cellulose by precipitating the cellulose from solution on to the particles. The cellulose to pigment ratio may be from 1 : 30 to 1 : 3. Precipitation is achieved by acidifying, e.g. with a sulphuric acid-sodium sulphate solution, a xanthate or cuprammonium cellulose solution, or by dilution of a solution of cellulose in a concentrated salt solution. A slurry of 2 parts of pigment particles and 3 parts of water is added to the cellulose solution, and the solution mixed and added to a coagulation bath in thin streams with violent stirring. The p precipitate is filtered, washed with 1% Na2S, washed, optionally bleached and filtered. This treatment improves bonding between the particles and wood-pulp fibres.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL285230 | 1962-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1024352A true GB1024352A (en) | 1966-03-30 |
Family
ID=19754214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4183963A Expired GB1024352A (en) | 1962-11-08 | 1963-10-23 | Process for the treatment of fillers for paper |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE639625A (en) |
| CH (1) | CH431258A (en) |
| DE (1) | DE1262757B (en) |
| DK (1) | DK106175C (en) |
| ES (1) | ES292964A1 (en) |
| GB (1) | GB1024352A (en) |
| NL (2) | NL285230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156990B2 (en) | 2003-12-22 | 2015-10-13 | Eka Chemicals Ab | Filler for papermaking process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL107598C (en) * | 1954-08-11 | 1963-10-15 | Warren S D Co |
-
0
- BE BE639625D patent/BE639625A/xx unknown
- NL NL124993D patent/NL124993C/xx active
- NL NL285230D patent/NL285230A/xx unknown
-
1963
- 1963-10-23 GB GB4183963A patent/GB1024352A/en not_active Expired
- 1963-10-28 ES ES292964A patent/ES292964A1/en not_active Expired
- 1963-10-31 DE DEK51240A patent/DE1262757B/en active Pending
- 1963-11-04 CH CH1369563A patent/CH431258A/en unknown
- 1963-11-07 DK DK522563A patent/DK106175C/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156990B2 (en) | 2003-12-22 | 2015-10-13 | Eka Chemicals Ab | Filler for papermaking process |
Also Published As
| Publication number | Publication date |
|---|---|
| ES292964A1 (en) | 1964-03-16 |
| NL285230A (en) | |
| DK106175C (en) | 1966-12-27 |
| BE639625A (en) | |
| DE1262757B (en) | 1968-03-07 |
| NL124993C (en) | |
| CH431258A (en) | 1967-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1024352A (en) | Process for the treatment of fillers for paper | |
| US2952580A (en) | Process for the modification of fibrous materials | |
| GB481892A (en) | Improvements in and relating to the production of titanium dioxide pigments | |
| GB510131A (en) | Improvements in or relating to the manufacture of artificial textile fibres | |
| GB678462A (en) | Improvements in and relating to the conservation and recovery of chemicals used in viscose spinning baths and processing liquors | |
| US2006016A (en) | Method of making pigmented paper | |
| GB405669A (en) | Improvements in the production of precipitated titanic oxide | |
| DE715832C (en) | Process for the production of a paper filler and size | |
| US2106111A (en) | Manufacture of alkali cellulose | |
| GB832636A (en) | Improvements in or relating to the preparation of pigments | |
| GB191414339A (en) | Process for the Manufacture of Solutions of Cellulose Xanthogenate. | |
| US1714052A (en) | Sized fibrous product and method of making same | |
| US1562885A (en) | Process of preparing viscose solutions | |
| GB248750A (en) | Improvements in the manufacture of artificial products from viscose | |
| US1407696A (en) | Manufacture of artificial goods from viscose | |
| GB574814A (en) | Process for pigmenting fibrous materials and the products produced | |
| CH223307A (en) | Process for the production of cellulose solutions. | |
| DE887730C (en) | Process for the production of pulp for paper and cardboard | |
| GB335605A (en) | Improvements in or relating to the production of artificial silk or the like from viscose solution | |
| GB439806A (en) | Improvements in or relating to cellulosic solutions and articles made therefrom or treated therewith | |
| GB577562A (en) | Improvements in or relating to the treatment of cellulosic pulp to reduce its viscosity characteristics | |
| DE706131C (en) | Process for the production of cellulose solutions | |
| GB257925A (en) | Process for the production of artificial silk from cellulose or cellulose compounds | |
| AT251399B (en) | Paper filler and process for its manufacture | |
| GB335675A (en) |