DE98201C - - Google Patents
Info
- Publication number
- DE98201C DE98201C DENDAT98201D DE98201DA DE98201C DE 98201 C DE98201 C DE 98201C DE NDAT98201 D DENDAT98201 D DE NDAT98201D DE 98201D A DE98201D A DE 98201DA DE 98201 C DE98201 C DE 98201C
- Authority
- DE
- Germany
- Prior art keywords
- water
- mass
- cellulose
- horn
- fibrous
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000001105 regulatory Effects 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 235000021395 porridge Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 210000003284 Horns Anatomy 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die vorliegende Erfindung besteht in einem Verfahren, aus Cellulose (sowohl natürlicher als auch auf mechanischem oder chemischem Wege vorbehandelter), z. B. aus Baumwollfaser, Holzfaser oder dergl., ohne Anwendung von Druck, Klebstoffen, Lösemitteln oder chemischen Agentien durch Verdichtung eine harte, zähe, steinnufsartige Masse darzustellen.The present invention consists in a method of cellulose (both natural as well as mechanically or chemically pretreated), e.g. B. made of cotton fiber, Wood fiber or the like. Without the application of pressure, adhesives, solvents or chemical agents to form a hard, tough, stone nut-like mass by compression.
Zu diesem Zweck wird gewöhnliche, faserige Cellulose, vorzugsweise solche, die nach bekannten Methoden von inkrustirenden Substanzen gereinigt ist, unter Zusatz von Wasser im Mahl- oder Schneid-Holländer so lange gemahlen oder geschnitten, bis die faserige Structur der Cellulose vollständig zerstört ist.For this purpose, ordinary fibrous cellulose, preferably those made according to known Methods of encrusting substances is cleaned, with the addition of water in the grinding or cutting hollander for so long ground or cut until the fibrous structure of the cellulose is completely destroyed.
Hierdurch wird dem Wasser der Zugang zu einer grofsen Anzahl Zellen, die bei der bisher üblichen Zerkleinerung geschlossen bleiben, geöffnet und das Mahlgut in einen leichtflüssigen Brei übergeführt. Diesen Brei bringt man auf sehr dichte Filtertücher, um einen Theil des Wassers abtropfen zu lassen. Die erhaltene feuchte Paste kann durch Pressen, Walzen oder durch Ausschleudern in der Centrifuge von einem weiteren Theile ihres Wassergehaltes befreit werden. Die Paste wird in beliebige Form gebracht, in welcher man sie entweder an freier Luft oder unter gelinder Erwärmung — bei etwa 400C. ■— völlig trocknen läfst. Die Cellulose verdichtet sich hierbei, stark schrumpfend, zu einer harten, steinnufsartigen Masse, deren specifisches Gewicht zwischen 1,4 und 1,5 liegt, und die wie Holz, Steinnufs, Horn oder dergl. bearbeitet und polirt werden kann.In this way, the water has access to a large number of cells, which remain closed during the hitherto customary comminution, and the ground material is converted into a light-bodied pulp. This pulp is placed on very dense filter cloths, in order to allow part of the water to drain off. The moist paste obtained can be freed from a further part of its water content by pressing, rolling, or by spinning in the centrifuge. The paste is placed in any form in which they are either in the open air or under slight heating - at about 40 0 C. ■ - läfst completely dry. The cellulose compacts itself, shrinking strongly, to a hard, stone-nuff-like mass, the specific gravity of which is between 1.4 and 1.5, and which can be worked and polished like wood, stone-nuff, horn or the like.
Ist der oben vorgeschriebene Mahlproceis nicht genügend, d. h. nicht bis zur vollständigen Zerstörung der faserigen Structur durchgeführt worden, so tritt das für die vorliegende Erfindung charakteristische Schrumpfen der Paste (bis zu 80 pCt. linear) beim Trocknen nicht ein, und die Folge davon ist, dafs das Endproduct weder die gewollte Dichte, noch das hornartige Aussehen besitzt.If the grinding process prescribed above is not sufficient, d. H. not until full Destruction of the fibrous structure has been carried out, so does the present invention characteristic shrinkage of the paste (up to 80 pCt. linear) on drying not one, and the consequence of this is that the end product has neither the desired density nor that has a horn-like appearance.
Der aus dem Holländer kommende Brei kann auch — vorzugsweise mit Dampf — gekocht werden, zu dem Zweck, alle in dem Brei enthaltene Luft auszutreiben.The porridge from the Dutch can also be cooked - preferably with steam for the purpose of expelling any air contained in the pulp.
Wenn das Endproduct durchaus rein und gleichmäfsig sein soll, empfiehlt es sich ferner, den Brei nach dem Auskochen durch ein möglichst engmaschiges Sieb zu giefsen, wodurch ungenügend gemahlene Theile und Unreinigkeiten ausgeschieden werden.If the end product is to be absolutely pure and uniform, it is also advisable to to pour the porridge through a sieve as close as possible after boiling, whereby insufficiently ground parts and impurities are eliminated.
Das fertige Product quillt, in Wasser gelegt, unter Aufsaugung von Wasser ein wenig auf, ohne indefs zu zerfallen. Bei späterem1 Trocknen schrumpft es dann wieder zusammen.The finished product, when placed in water, swells a little while absorbing water, but without disintegrating. If it is dried 1 later, it will then shrink again.
Die Härte und Dichte kann innerhalb gewisser Grenzen nach Belieben geregelt werden, indem man vor der Trocknung die knetbare Paste oder schon den leichtflüssigen Brei mit fein vertheilten oder in Wasser löslichen Zusatzstoffen, z. B. Schwerspath, Rufs, Salzen oder dergleichen, vermengt, von denen die letzteren je nach dem angestrebten Zweck in der MasseThe hardness and density can be regulated at will within certain limits, by adding the kneadable paste or the easy-flowing paste before drying finely divided or water-soluble additives, e.g. B. Schwerspath, Rufs, or salts the like, mixed up, of which the latter in bulk according to the end sought
belassen oder später wieder theilweise ausgelaugt werden können.can be left or later partially leached out again.
Durch Zusatz von Farbstoffen zu dem Brei oder der Paste kann der Masse auch jede beliebige Färbung gegeben werden.By adding coloring agents to the pulp or paste, the mass can also be of any desired type Coloring to be given.
Wenngleich der Zusatz eines Klebstoffes oder Lösungsmittels nicht erforderlich ist, so kann sich ein derartiger Zusatz, z. B. von Schellack- oder Kautschuklösung, doch als vortheilhaft erweisen, besonders dann, wenn es sich darum handelt, die Masse gegen Feuchtigkeit unempfindlich zu machen.Although the addition of an adhesive or solvent is not necessary, so such an addition, e.g. B. of shellac or rubber solution, but as prove beneficial, especially when it comes to the mass against moisture to make insensitive.
Claims (1)
Bei dem unter ι. beschriebenen Verfahren die,Regelung der Dichte und Härte des Endproductes dadurch, dafs man der breiigen oder plastischen Masse fein vertheilte oder in Wasser lösliche Zusatzstoffe zumengt und nach erfolgter Trocknung eventuell theilweise wieder auslaugt.ι. Process for the production of cellulose with a horn-like appearance, characterized in that fibrous cellulose is processed with the addition of water in a cutting or grinding hollander until the fibrous structure is completely destroyed, the water is then partially drawn off, spun off or pressed off and the mass Lets dry in the open air or under mild warming, whereby it shrinks to a hard, viscous mass.
In the case of ι. The method described, regulating the density and hardness of the end product by adding finely divided or water-soluble additives to the pulpy or plastic mass and possibly partially leaching them again after drying.
Publications (1)
Publication Number | Publication Date |
---|---|
DE98201C true DE98201C (en) |
Family
ID=369188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT98201D Active DE98201C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE98201C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE740316C (en) * | 1933-11-08 | 1943-10-18 | Ig Farbenindustrie Ag | Spreadable covering compound for floors and walls |
DE898964C (en) * | 1943-06-26 | 1953-12-07 | Dynamit Nobel Ag | Process for the production of lightweight building materials from waste wood |
-
0
- DE DENDAT98201D patent/DE98201C/de active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE740316C (en) * | 1933-11-08 | 1943-10-18 | Ig Farbenindustrie Ag | Spreadable covering compound for floors and walls |
DE898964C (en) * | 1943-06-26 | 1953-12-07 | Dynamit Nobel Ag | Process for the production of lightweight building materials from waste wood |
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