DE401422C - Method for weighting paper in bulk with fillers - Google Patents
Method for weighting paper in bulk with fillersInfo
- Publication number
- DE401422C DE401422C DER58503D DER0058503D DE401422C DE 401422 C DE401422 C DE 401422C DE R58503 D DER58503 D DE R58503D DE R0058503 D DER0058503 D DE R0058503D DE 401422 C DE401422 C DE 401422C
- Authority
- DE
- Germany
- Prior art keywords
- fillers
- bulk
- paper
- weighting
- substances
- 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
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Description
Verfahren zum Beschweren von Papier in der Wasse durch Füllstoffe. In der Papierfabrikation werden die meisten Papiere in der Masse durch Zusatz von Füllstoffen im fein verteilten Zustand, z. B. Kaolin, beschwert und mit Leimmitteln, z: B. Harz, Stärke, Zelluloseschleim, geleimt. Der Vorgang ist meist so, daß die Fasermasse, wie Lumpenhalbstoff, Zellulose, Holzstoff usw., in den Mahlmaschinen, meist Holländern, in Wasser aufgeschlämmt, gemahlen werden und man dann die in Wasser gelösten Füllstoffe und mit Wasser verdünnten Leimlösungen zusetzt. Durch weiteren Zusatz von Fällungsmitteln wird neben anderen Wirkungen z. B. das Harz auf die Fasern gefällt.Method for weighing paper in the water with fillers. In paper production, most papers are made in bulk by adding Fillers in the finely divided state, e.g. B. kaolin, weighted and with glue, e.g. resin, starch, cellulose slime, glued. The process is usually such that the Pulp, such as rag pulp, cellulose, wood pulp, etc., in the grinding machines, mostly Dutch, slurried in water, ground and then put in water added dissolved fillers and glue solutions diluted with water. By further Addition of precipitants is used in addition to other effects such. B. the resin on the fibers pleases.
Die Fasermasse wird dann in großer Verdünnung (etwa z : zco) auf das Sieb der Papiermaschine geleitet und verliert hier mit dem ablaufenden Wasser mehr oder minder viel Fasern, Füll- und Leimstoffe. Diese Verluste können vermindert werden, wenn nicht nur das Leimungsmittel, sondern auch die Füllstoffe durch besondere Behandlung besser sich mit den Fasern verbinden. Die bisher üblichen :lufschlä mmeinrichtungenund-maschinenließen die Füllstoffe in zu grober Zerteilung, deren Folge geringe Adhäsion zur Faser und große :1b,;piilverluste waren. Das neue Verfahren besteht nun darin, daß die Füllstoffe allein oder mit anderen Stoffen in an sich bekannten Homogenisiermaschinen bis oder bis nahe zum kolloiden Zustand zerkleinert und diese Kolloide allein oder mit ähnlich behandelten Stoffen, auch z. B. Harzemulsion, gemischt allein durch Adhäsion oder durch entsprechende Fälhingsmittel auf die Faser niedergeschlagen werden, wodurch infolge der innigen Verbindung mit der Faser die Verhiste erheblich zurückgehen.The fiber mass is then in great dilution (e.g. z: zco) on the Sieve passed to the paper machine and loses more here with the draining water or less fibers, fillers and glue. These losses can be lessened if not only the sizing agent, but also the fillers by special Treatment better bond with the fibers. The hitherto usual: air slurry devices and machines left the fillers in too coarse division, the consequence of which is poor adhesion to the fiber and large: 1b,; piil losses were. The new process now consists in adding the fillers alone or with other substances in homogenizing machines known per se to or crushed to close to the colloidal state and these colloids alone or with similar treated substances, including z. B. resin emulsion mixed solely by adhesion or be deposited by appropriate Fälhingsmittel on the fiber, whereby as a result of the intimate connection with the fiber, the rates decrease considerably.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER58503D DE401422C (en) | 1923-05-23 | 1923-05-23 | Method for weighting paper in bulk with fillers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER58503D DE401422C (en) | 1923-05-23 | 1923-05-23 | Method for weighting paper in bulk with fillers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE401422C true DE401422C (en) | 1924-09-03 |
Family
ID=7410828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DER58503D Expired DE401422C (en) | 1923-05-23 | 1923-05-23 | Method for weighting paper in bulk with fillers |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE401422C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1210314B (en) * | 1957-05-01 | 1966-02-03 | Southern Clays Inc | Papers with improved abrasion properties and a high degree of whiteness |
DE1220714B (en) * | 1955-05-05 | 1966-07-07 | Pittsburgh Plate Glass Co | Process for the production of filled papers |
-
1923
- 1923-05-23 DE DER58503D patent/DE401422C/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1220714B (en) * | 1955-05-05 | 1966-07-07 | Pittsburgh Plate Glass Co | Process for the production of filled papers |
DE1210314B (en) * | 1957-05-01 | 1966-02-03 | Southern Clays Inc | Papers with improved abrasion properties and a high degree of whiteness |
DE1210314C2 (en) * | 1957-05-01 | 1973-03-01 | Southern Clays Inc | Papers with improved scouring properties and a high degree of whiteness |
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