IE780146L - Papermaking process - Google Patents
Papermaking processInfo
- Publication number
- IE780146L IE780146L IE780146A IE14678A IE780146L IE 780146 L IE780146 L IE 780146L IE 780146 A IE780146 A IE 780146A IE 14678 A IE14678 A IE 14678A IE 780146 L IE780146 L IE 780146L
- Authority
- IE
- Ireland
- Prior art keywords
- pulp
- alum
- paper
- diluted
- size
- Prior art date
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
- D21H17/62—Rosin; Derivatives thereof
-
- 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
- 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
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Making Paper Articles (AREA)
Abstract
A papermaking process of the type in which prepared thick pulp stock is supplied to a head box from which it flows down to a mixing point where it is diluted with paper machine backwater, the resultant thin stock being pumped to a breast box on the paper machine, characterised in that, for manufacturing paper containing acid-reactive filler and sized by employing rosin and papermakers' alum, the filler is added to paper pulp which has already been treated with rosin size and sufficient alum for fixing the size, and further alum is subsequently incorporated in the diluted pulp before application of the pulp to the papermaking machine.
[CA1075944A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3155/77A GB1596632A (en) | 1977-01-26 | 1977-01-26 | Filled paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE780146L true IE780146L (en) | 1978-07-26 |
| IE46377B1 IE46377B1 (en) | 1983-05-18 |
Family
ID=9752989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE146/78A IE46377B1 (en) | 1977-01-26 | 1978-01-23 | Filled paper |
Country Status (20)
| Country | Link |
|---|---|
| BE (1) | BE863218A (en) |
| BR (1) | BR7800450A (en) |
| CA (1) | CA1075944A (en) |
| DE (1) | DE2803398A1 (en) |
| DK (1) | DK30478A (en) |
| ES (1) | ES466384A1 (en) |
| FI (1) | FI780214A (en) |
| FR (1) | FR2378895A1 (en) |
| GB (1) | GB1596632A (en) |
| GR (1) | GR72111B (en) |
| IE (1) | IE46377B1 (en) |
| IL (1) | IL53882A (en) |
| IT (1) | IT1103878B (en) |
| MX (1) | MX148457A (en) |
| NL (1) | NL7800825A (en) |
| NO (1) | NO780268L (en) |
| RO (1) | RO74134A (en) |
| SE (1) | SE7800904L (en) |
| TR (1) | TR20043A (en) |
| ZA (1) | ZA78491B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8700058L (en) * | 1987-01-09 | 1988-07-10 | Skogsindustriens Tekniska Fors | PAPER |
-
1977
- 1977-01-26 GB GB3155/77A patent/GB1596632A/en not_active Expired
-
1978
- 1978-01-20 DK DK30478A patent/DK30478A/en not_active Application Discontinuation
- 1978-01-23 IE IE146/78A patent/IE46377B1/en unknown
- 1978-01-23 BE BE184558A patent/BE863218A/en not_active IP Right Cessation
- 1978-01-24 FI FI780214A patent/FI780214A/en not_active Application Discontinuation
- 1978-01-24 NL NL7800825A patent/NL7800825A/en active Search and Examination
- 1978-01-24 IL IL53882A patent/IL53882A/en unknown
- 1978-01-25 SE SE7800904A patent/SE7800904L/en unknown
- 1978-01-25 IT IT47788/78A patent/IT1103878B/en active
- 1978-01-25 BR BR7800450A patent/BR7800450A/en unknown
- 1978-01-25 FR FR7801991A patent/FR2378895A1/en active Granted
- 1978-01-25 NO NO780268A patent/NO780268L/en unknown
- 1978-01-25 CA CA295,618A patent/CA1075944A/en not_active Expired
- 1978-01-25 GR GR55272A patent/GR72111B/el unknown
- 1978-01-26 ES ES466384A patent/ES466384A1/en not_active Expired
- 1978-01-26 MX MX172201A patent/MX148457A/en unknown
- 1978-01-26 RO RO7893017D patent/RO74134A/en unknown
- 1978-01-26 DE DE19782803398 patent/DE2803398A1/en not_active Withdrawn
- 1978-01-26 TR TR20043A patent/TR20043A/en unknown
- 1978-01-26 ZA ZA00780491A patent/ZA78491B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES466384A1 (en) | 1978-10-01 |
| FR2378895A1 (en) | 1978-08-25 |
| NL7800825A (en) | 1978-07-28 |
| NO780268L (en) | 1978-07-27 |
| TR20043A (en) | 1980-07-02 |
| IE46377B1 (en) | 1983-05-18 |
| SE7800904L (en) | 1978-07-27 |
| DK30478A (en) | 1978-07-27 |
| BR7800450A (en) | 1978-09-26 |
| IT7847788A0 (en) | 1978-01-25 |
| FI780214A (en) | 1978-07-27 |
| FR2378895B1 (en) | 1983-06-17 |
| GR72111B (en) | 1983-09-14 |
| IL53882A0 (en) | 1978-04-30 |
| DE2803398A1 (en) | 1978-07-27 |
| MX148457A (en) | 1983-04-25 |
| CA1075944A (en) | 1980-04-22 |
| ZA78491B (en) | 1979-09-26 |
| BE863218A (en) | 1978-07-24 |
| GB1596632A (en) | 1981-08-26 |
| IL53882A (en) | 1981-02-27 |
| IT1103878B (en) | 1985-10-14 |
| RO74134A (en) | 1981-06-22 |
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