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AT69795B - Process for producing a light-colored adhesive from seaweed. - Google Patents

Process for producing a light-colored adhesive from seaweed.

Info

Publication number
AT69795B
AT69795B AT69795DA AT69795B AT 69795 B AT69795 B AT 69795B AT 69795D A AT69795D A AT 69795DA AT 69795 B AT69795 B AT 69795B
Authority
AT
Austria
Prior art keywords
seaweed
light
producing
colored adhesive
stalks
Prior art date
Application number
Other languages
German (de)
Original Assignee
Norsk Tangsyndikat
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Norsk Tangsyndikat filed Critical Norsk Tangsyndikat
Application granted granted Critical
Publication of AT69795B publication Critical patent/AT69795B/en

Links

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  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 



   Bei der Gewinnung verschiedener klebriger tangsäurehaltiger Körper aus Seetang hat man bisher nur die Blätter besonders der   Laminaria digitatas und sacharina verwendet, welche   
 EMI1.2 
 Produkt dargestellt wird. 



   Die Blätter der Laminaria cloustoni sind aus verschiedenen Gründen nicht besonders geeignet für die Darstellung des Klebstoffes, und zwar unter anderem aus dem Grunde, weil sie   pich   nur schwierig aufbewahren lassen. Die Tangblätter enthalten überdies eine   verhältnismässig   grosse Menge von Farbstoffen. weshalb selbst nach Anwendung erheblicher Mengen von Bleichmitteln das Endprodukt, d. i. der gewonnene Klebstoff dunkel, gefärbt bleibt. Die zu verwendende Menge der Bleichmittel ist überigens dadurch beschränkt, dass dieselben den Tang zerstören, so dass durch die Verwendung von zu viel Bleichmittel der Wert des Produktes beeinträchtigt wird.

   Falls man ein farbloses Erzeugnis darstellen will, müssen deshalb die Pflanzenfasern mittels zweckentsprechender Mittel vollständig entfernt werden, was in hohem Grade die Herstellung-   kosten erhöht. Die Aufgabe,   einen hellen tangsäurehaltigen Körper   au < -Seetang   zu gewinnen ohne zu grosse Mengen von Bleichmitteln zu verwenden, wird nach vorliegender Erfindung dadurch gelöst, dassmananStellevonTangblätterndieStengelderLaminariacloustoniundandererdickstengeligen   Lanünaria-Tangarten als Rohmaterial für   die Fabrikation der klebrigen Körper benutzt.

     Diese   Stengel werden bis 3 cm dick und 1   m   lang und es werden von solchen Stengeln besonder während der Herbstzeit von den Stürmen grosse Mengen auf die   Küsten geworfen, weiche bisher ausschliesslich     zum   Brennen von Tangasche oder als Dünger verwendet worden sind. 



   Die äussere Haut (Epidermis) der Stengel ist stark braun gefärbt. Es wurde nun bei den 
 EMI1.3 
   entfernen   lässt. wenn die   stengel   in   frechem   (ungetrocknetem) Zustande behandelt werden. 



     :i( h vorhegender Ertiüdung wird   nun   xunächt eme solche   Behandlung der Stengel vorgenommen. Nachdem die dunkle Haut entfernt worden ist. werden die Stengel in an   sich   bekannter Weise 
 EMI1.4 
 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 
 EMI1.1
 



   In the production of various sticky bodies containing tangic acid from seaweed, only the leaves, especially those of Laminaria digitatas and sacharina, have so far been used
 EMI1.2
 Product is represented.



   The leaves of Laminaria cloustoni are not particularly suitable for the representation of the glue for various reasons, among other things because they are difficult to store. The seaweed leaves also contain a relatively large amount of coloring matter. therefore, even after using significant amounts of bleach, the end product, i.e. i. the adhesive obtained remains dark, colored. Incidentally, the amount of bleaching agents that can be used is limited by the fact that they destroy the seaweed, so that the use of too much bleaching agent deteriorates the value of the product.

   If one wants to represent a colorless product, the vegetable fibers must therefore be completely removed by means of appropriate means, which increases the production costs to a high degree. The object of obtaining a light-colored body from seaweed containing seaweed without using too large amounts of bleaching agents is achieved according to the present invention in that instead of leaves of seaweed, the stems Laminaria cloustoni and other thick-stemmed Lanünaria seaweed are used as raw material for the manufacture of the sticky bodies.

     These stalks are up to 3 cm thick and 1 m long and large quantities of such stalks are thrown onto the coasts by the storms, especially during the autumn, which until now have only been used for burning tanga or as fertilizer.



   The outer skin (epidermis) of the stems is strongly brown in color. It was now with the
 EMI1.3
   can be removed. if the stalks are treated in a cheeky (undried) condition.



     In the present study, such treatment of the stalks is now carried out. After the dark skin has been removed, the stalks are treated in a manner known per se
 EMI1.4
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT69795D 1913-03-01 1914-02-25 Process for producing a light-colored adhesive from seaweed. AT69795B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO69795X 1913-03-01

Publications (1)

Publication Number Publication Date
AT69795B true AT69795B (en) 1915-09-10

Family

ID=19881243

Family Applications (1)

Application Number Title Priority Date Filing Date
AT69795D AT69795B (en) 1913-03-01 1914-02-25 Process for producing a light-colored adhesive from seaweed.

Country Status (1)

Country Link
AT (1) AT69795B (en)

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