DE718755C - Process for carbonizing wool webs containing cellulose ester fibers - Google Patents

Process for carbonizing wool webs containing cellulose ester fibers

Info

Publication number
DE718755C
DE718755C DEW105471D DEW0105471D DE718755C DE 718755 C DE718755 C DE 718755C DE W105471 D DEW105471 D DE W105471D DE W0105471 D DEW0105471 D DE W0105471D DE 718755 C DE718755 C DE 718755C
Authority
DE
Germany
Prior art keywords
cellulose ester
ester fibers
containing cellulose
carbonizing
webs containing
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
Application number
DEW105471D
Other languages
German (de)
Inventor
Walter Mayr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wacker Chemie AG
Original Assignee
Wacker Chemie AG
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 Wacker Chemie AG filed Critical Wacker Chemie AG
Priority to DEW105471D priority Critical patent/DE718755C/en
Application granted granted Critical
Publication of DE718755C publication Critical patent/DE718755C/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
    • D01C5/00—Carbonising rags to recover animal fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Textile Engineering (AREA)
  • Inorganic Fibers (AREA)

Description

Verfahren zum Carbonisieren von Celluloseesterfasern enthaltenden Wollgespinsten Die Schwefelsäurecarbonisation wird allgemein in der Weise durchgeführt, daß man die zu carbonisierende Ware -in eine Schwefelsäurelösung von bestimmter Stärke einbringt, in dieser Lösung eine angemessene Zeit liegenläßt, dann abschleudext und in deal Carbonisverofeneinlegt. Hier wird das Carbonisiergut seinem Trocknungsprozeß aus-' gesetzt, der darin bestellt, daß eine auf 8o bis zoo° .erwärmte Luft durch die Ware geblasen wird. Nach diesem Verfahren. ist es wohl möglich, aus Reißwollen., wollenen Geweben und textilen Erzeugnissen die pflanzlichen. Bestandteile (Klette, Stroh, Baumwolle und Juteabfälle) zu zerstören, Fasern und Fäden aus Celluloseester werden dabei aber nur eie.schädi-t so da.ß ,es nicht in.ö@Lyl:ich istdiese Celluloseesterbestandteile durch Klopfen in der üblichen Weise -einwandfrei zu entfernen.Process for carbonizing cellulose ester fibers containing Spun wool The sulfuric acid carbonization is generally carried out in the manner that the goods to be carbonated -in a sulfuric acid solution of certain Introduces starch, leaves it in this solution for a reasonable amount of time, then flings it off and inserted in deal Carbonisverofen. This is where the carbonizing material goes through its drying process exposed, who orders that an air warmed to 80 to zoo ° the goods are blown. According to this procedure. it is probably possible from torn wool., woolen fabrics and textile products the vegetable. Components (burdock, Straw, cotton and jute waste), fibers and threads made of cellulose ester but only one thing is damaged, it is not in.ö@Lyl: I am these cellulose ester constituents can be removed properly by tapping in the usual way.

Es wurde nun festgestellt, daß beim Schwefelsäurecarbonisierverfahren durch eine Verlängerung des Trockenprozesses, und zwar durch zeitweise Einführung von Feuchtigkeit in Form von Wasserdampf während der Erhitzung bei etwa So bis 9o°, eine Verseifung der Celluloseester ,eintritt, die ein leichtes Entfernen. dieser Faserbestandteile dann anschließend ermöglicht.It has now been found that in the sulfuric acid carbonization process by extending the drying process, namely by introducing it from time to time of moisture in the form of water vapor during heating at around Sun to 9o °, a saponification of the cellulose ester occurs, which is easy to remove. this Fiber components then subsequently made possible.

Beispiel Reißwolle, die von Fäden und Fasern aus Gelluloseestern, durchsetzt ist, wird zunächst in -eine q.° B6 starke Schwefelsäurelösung 1/2 Stunde eingelegt, dann abgeschleudert und in den Carbonisierofen gegeben. Man trocknet die Ware zunächst mit warmer Luft von 85° 2o Minuten gut vor, läßt dann. eine mit Wasserdampf fast vollkommen gesättigte warme Luft von 85° i/4 Stunde auf das Carbonisiergut einwirken, trocknet und brennt weiter 1/2 Stunde bei 85° mit Luft. Falls es erforderlich ist, wird erneut wie oben Wasserdampf zugeführt und anschließend wieder getrocknet und gebrannt.Example shredded wool, which is made of threads and fibers from gelulose esters, is permeated, is first in -a q. ° B6 strong sulfuric acid solution 1/2 Inserted for an hour, then spun off and placed in the carbonizing oven. One dries the goods first with warm air at 85 ° 20 minutes, then leave. one with Water vapor almost completely saturated warm air of 85 ° i / 4 hours on the carbonized material act, dry and burn for another 1/2 hour at 85 ° with air. If necessary is, steam is fed in again as above and then dried again and burned.

Durch diese abwechselnde Behandlung mit trockener Hitze und feuchter Luft gelingt es, die Celluloseester vollständig zu zerstören, ohne eine nennenswerte Schädigung der Wolle herbeizuführen.This alternating treatment with dry heat and moist Air succeeds in completely destroying the cellulose esters without a significant amount Cause damage to the wool.

Claims (1)

PATI;NTr1`SPRUCH: Verfahren zum Carbonisieren von Celluloseesterfasern oder -fäden enthaltenden Wollgespinsten mittels Schwefelsäure, dadurch gekennzeichnet, daß die Celluloseesterfasern durch eine abwechselnde Anwendung von trockener und feuchter Hitze zerstört werden.PATI; NTr1`SPRUCH: Process for carbonizing cellulose ester fibers wool spun yarns or threads containing wool by means of sulfuric acid, characterized in that that the cellulose ester fibers by an alternating application of dry and can be destroyed by damp heat.
DEW105471D 1939-04-09 1939-04-09 Process for carbonizing wool webs containing cellulose ester fibers Expired DE718755C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW105471D DE718755C (en) 1939-04-09 1939-04-09 Process for carbonizing wool webs containing cellulose ester fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW105471D DE718755C (en) 1939-04-09 1939-04-09 Process for carbonizing wool webs containing cellulose ester fibers

Publications (1)

Publication Number Publication Date
DE718755C true DE718755C (en) 1942-03-21

Family

ID=7616417

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW105471D Expired DE718755C (en) 1939-04-09 1939-04-09 Process for carbonizing wool webs containing cellulose ester fibers

Country Status (1)

Country Link
DE (1) DE718755C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128949B (en) * 1960-03-10 1962-05-03 Haas Friedrich Maschf Method and device for the continuous drying and carbonizing of loose fiber material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128949B (en) * 1960-03-10 1962-05-03 Haas Friedrich Maschf Method and device for the continuous drying and carbonizing of loose fiber material

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