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CH370235A - Process for the production of artificial sponges from regenerated cellulose and sponge produced in this way - Google Patents

Process for the production of artificial sponges from regenerated cellulose and sponge produced in this way

Info

Publication number
CH370235A
CH370235A CH6131758A CH6131758A CH370235A CH 370235 A CH370235 A CH 370235A CH 6131758 A CH6131758 A CH 6131758A CH 6131758 A CH6131758 A CH 6131758A CH 370235 A CH370235 A CH 370235A
Authority
CH
Switzerland
Prior art keywords
sponges
treated
water
solution
regenerated cellulose
Prior art date
Application number
CH6131758A
Other languages
German (de)
Inventor
Dr Georg Hennemann
Dipl-Ing Albertus Lutgerhorst
Original Assignee
Onderzoekings Inst Res
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 Onderzoekings Inst Res filed Critical Onderzoekings Inst Res
Publication of CH370235A publication Critical patent/CH370235A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00Characterised by the use of cellulose, modified cellulose or cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Description

       

  
 



  Verfahren zur Herstellung von künstlichen Schwämmen aus regenerierter Cellulose und so hergestellter Schwamm
Verfahren zur Herstellung von künstlichen Schwämmen aus regenerierter Cellulose, wobei die Schwämme mit einem Desinfektionsmittel behandelt werden, um Angriff derselben durch Bakterien und Schimmel vorzubeugen, sind bereits bekannt.



   Gemäss einem dieser Verfahren wird der künstliche Schwamm aus regenerierter Cellulose mit einem Reaktionsprodukt von wasserlöslichen Polyacrylsäuren und quaternären Ammoniumverbindungen mit einem hohen Molekulargewicht behandelt.



   Die so behandelten Schwämme werden während des Gebrauchs zwar praktisch nicht von Bakterien und Schimmeln angegriffen, aber sie haben den Nachteil, dass sie durch die Verwendung einen Teil ihrer Elastizität verlieren.



   Es wurde nun ein Verfahren zur Behandlung von künstlichen Schwämmen aus regenerierter Cellulose gefunden, wodurch diese Schwämme ebensowenig von Bakterien und Schimmeln angegriffen werden. Die erfindungsgemäss behandelten Schwämme weisen daneben den Vorteil auf, dass sie nach längerem Gebrauch ihre Elastizität praktisch nicht verlieren.



   Das erfindungsgemässe Verfahren ist dadurch gekennzeichnet, dass die Schwämme mit Carboxymethylcellulose bzw. deren Alkalimetallsalzen und einer quarternären Ammoniumverbindung mit hohem Molekulargewicht und keimtötender Wirkung behandelt werden.



   Die Behandlung der Schwämme mit dem Reaktionsprodukt kann dabei auf zwei Weisen erfolgen.



   Man kann die Schwämme z. B. zunächst mit einer Lösung von Carboxymethylcellulose oder deren Alkalimetallsalzen in Wasser und sodann mit einer Lösung einer quaternären Ammoniumverbindung in Wasser behandeln. Man kann aber die Behandlung auch in umgekehrter Reihenfolge stattfinden lassen.



   Es hat sich gezeigt, dass das Reaktionsprodukt von Carboxymethylcellulose und quaternärer Ammoniumverbindung an der regenerierten Cellulose haftet.



  Deshalb bleibt während des Gebrauchs das Reaktionsprodukt im Schwamm und lässt sich denn auch durch Wasser nicht entfernen.



   Als Alkalimetallsalz von Carboxymethylcellulose kommt vorzugsweise Natriumcarboxymethylcellulose in Betracht.



   Als quaternäre Ammoniumverbindungen mit einer keimtötenden Wirkung kommen z. B. in Betracht
Cetyltrimethylammoniumbromid,
Cetyldimethyläthylammoniumbromid,    Stearyknmethylammoniumbromid,   
Lauryltriäthylammoniumchlorid,   
Octadecenyldimethyläthylammoniumbromid,
Octadecyldimethylbenzylammoniumbromid,
Cetyldimethylbenzylammoniumchlorid,
Lauryldimethylbenzylammoniumchlorid,
Diisobutylkresoxyäthoxyäthyldimethylbenzyl-    ammoniumchlorid und    Diisobutylphenoxyäthoxyäthyldimethylbenzyl-    ammoniumchlorid.



   Beispiel I
Aus Viskose hergestellte künstliche Schwämme (25 Stück) wurden sofort nach ihrer Herstellung zentrifugiert. Die zentrifugierten Schwämme wurden zunächst mit einer 1,0   gew.0/oiigen    Lösung in Wasser von Natriumcarboxymethylcellulose mit einer Viskosität von etwa 4 centipoise bei 200 C behandelt.



   Die Schwämme wurden, nachdem sie zentrifugiert waren, mit einer 1,0   gew.0/eigen    Lösung in Wasser  von Lauryltriäthylammoniumchlorid behandelt und schliesslich mit Wasser gespült und wieder zentrifugiert.



   Diese Schwämme wurden zugleich mit 25 nicht behandelten Schwämmen während 8 Monaten zum Waschen von Autos gebraucht. Danach wurden die Schwämme bezüglich der folgenden Punkte beurteilt: Geruch, Elastizität, Angriff und   Äusseres.    Die Resultate sind in Tabelle I angegeben.



   Tabelle I muffig ohne Elastizität angegriffen mit äusseren Schäden Unbehandelte Schwämme 16 6 7 13 Behandelte Schwämme 2 0 2 2
Beispiel II
25 aus Viskose hergestellte künstliche, trockene Schwämme wurden mit einer 1   gew.0/oigen    Lösung in Wasser von   Diisobutylphenoxyäthoxyäthyldimethyl-      ibenzyiammoniumchlortd - Monohydrat    behandelt.



  Nachdem sie zentrifugiert waren, wurden sie mit einer 1   gew.0/oigen    Lösung in Wasser von Natriumcarboxymethylcellulose mit einer Viskosität von etwa 4 centipoise bei   20O C    behandelt. Die so behandelten Schwämme wurden sodann mit Wasser gespült, zentrifugiert und getrocknet.



   Diese Schwämme wurden zugleich mit 25 unbehandelten Schwämmen während 8 Monaten als Autoschwamm gebraucht.



   Die Schwämme wurden wie oben erwähnt beurteilt (siehe Tabelle II).   



  
 



  Process for the production of artificial sponges from regenerated cellulose and sponge produced in this way
Processes for the production of artificial sponges from regenerated cellulose, the sponges being treated with a disinfectant in order to prevent attack by bacteria and mold, are already known.



   According to one of these processes, the artificial sponge made of regenerated cellulose is treated with a reaction product of water-soluble polyacrylic acids and quaternary ammonium compounds with a high molecular weight.



   Although the sponges treated in this way are practically not attacked by bacteria and molds during use, they have the disadvantage that they lose some of their elasticity through use.



   A method has now been found for treating artificial sponges made from regenerated cellulose, as a result of which these sponges are just as little attacked by bacteria and mold. The sponges treated according to the invention also have the advantage that they practically do not lose their elasticity after prolonged use.



   The method according to the invention is characterized in that the sponges are treated with carboxymethyl cellulose or its alkali metal salts and a quaternary ammonium compound with a high molecular weight and a germicidal effect.



   The sponges can be treated with the reaction product in two ways.



   You can use the sponges z. B. treat first with a solution of carboxymethyl cellulose or its alkali metal salts in water and then with a solution of a quaternary ammonium compound in water. But you can also let the treatment take place in reverse order.



   It has been found that the reaction product of carboxymethyl cellulose and quaternary ammonium compound adheres to the regenerated cellulose.



  Therefore, the reaction product remains in the sponge during use and cannot be removed by water.



   Sodium carboxymethyl cellulose is preferably used as the alkali metal salt of carboxymethyl cellulose.



   As quaternary ammonium compounds with a germicidal effect z. B. into consideration
Cetyltrimethylammonium bromide,
Cetyldimethylethylammonium bromide, stearyknmethylammonium bromide,
Lauryltriethylammonium chloride,
Octadecenyldimethylethylammonium bromide,
Octadecyldimethylbenzylammonium bromide,
Cetyldimethylbenzylammonium chloride,
Lauryldimethylbenzylammonium chloride,
Diisobutylcresoxyethoxyethyldimethylbenzylammonium chloride and diisobutylphenoxyethoxyethyldimethylbenzylammonium chloride.



   Example I.
Artificial sponges (25 pieces) made of viscose were centrifuged immediately after they were made. The centrifuged sponges were first treated with a 1.0% by weight solution in water of sodium carboxymethyl cellulose having a viscosity of about 4 centipoise at 200.degree.



   After they had been centrifuged, the sponges were treated with a 1.0% by weight / own solution in water of lauryltriethylammonium chloride and finally rinsed with water and centrifuged again.



   These sponges were used together with 25 untreated sponges for 8 months for washing cars. Thereafter, the sponges were evaluated on the following items: odor, elasticity, attack and appearance. The results are given in Table I.



   Table I musty without elasticity attacked with external damage Untreated sponges 16 6 7 13 Treated sponges 2 0 2 2
Example II
25 artificial, dry sponges made from viscose were treated with a 1% strength by weight solution in water of diisobutylphenoxyethoxyethyldimethyl-ibenzyiammonium-chlorod-monohydrate.



  After centrifugation, they were treated with a 1% by weight solution in water of sodium carboxymethyl cellulose having a viscosity of about 4 centipoise at 20 ° C. The sponges treated in this way were then rinsed with water, centrifuged and dried.



   These sponges were used as car sponges for 8 months at the same time as 25 untreated sponges.



   The sponges were evaluated as mentioned above (see Table II).


    

Claims (1)

Tabelle II muffig ohne Elastizität angegriffen mit äusseren Schäden Unbehandelte Schwämme 18 8 9 12 Behandelte Schwämme 1 0 1 3 PATENTANSPRÜCHE I. Verfahren zur Herstellung von künstlichen Schwämmen aus regenerierter Cellulose, wobei die Schwämme mit einem Desinfektionsmittel behandelt werden, um Angriff derselben durch Bakterien oder Schimmel vorzubeugen, dadurch gekennzeichnet, dass man die Schwämme mit Carboxymethylcellulose bzw. deren Alkalimetallsalzen und einer quaternären Ammoniumverbindung mit hohem Molekulargewicht und keimtötender Wirkung behandelt. Table II musty without elasticity attacked with external damage Untreated sponges 18 8 9 12 Treated sponges 1 0 1 3 PATENT CLAIMS I. A process for the production of artificial sponges from regenerated cellulose, the sponges being treated with a disinfectant to prevent attack by bacteria or mold, characterized in that the sponges are coated with carboxymethyl cellulose or its alkali metal salts and a quaternary ammonium compound with a high molecular weight treated with germicidal effect. II. Künstlicher Schwamm aus regenerierter Cellulose, hergestellt gemäss dem Verfahren nach Patentanspruch I. II. Artificial sponge made of regenerated cellulose, produced according to the method according to claim I. UNTERANSPRÜCHE 1. Verfahren nach Patentanspruch I, dadurch gekennzeichnet, dass man die Schwämme zunächst mit einer Lösung von Natriumcarboxymethylcellulose in Wasser und sodann mit einer Lösung von Lauryltriäthylammoniumchlorid in Wasser behandelt. SUBCLAIMS 1. The method according to claim I, characterized in that the sponges are first treated with a solution of sodium carboxymethyl cellulose in water and then with a solution of lauryltriethylammonium chloride in water. 2. Verfahren nach Patentanspruch I, dadurch gekennzeichnet, dass man die Schwämme zunächst mit einer Lösung von Diisobutylphenoxyäthoxyäthyldi methylbenzylammoniumchlorid-Monohydrat in Wasser und sodann mit einer Lösung von Natrium carboxymethylcellulose in Wasser behandelt. 2. The method according to claim I, characterized in that the sponges are first treated with a solution of diisobutylphenoxyäthoxyäthyldi methylbenzylammonium chloride monohydrate in water and then with a solution of sodium carboxymethylcellulose in water.
CH6131758A 1957-08-16 1958-07-02 Process for the production of artificial sponges from regenerated cellulose and sponge produced in this way CH370235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219972A NL93730C (en) 1957-08-16 1957-08-16 A process for the manufacture of artificial sponges from regenerated cellulose, and sponges thus prepared.

Publications (1)

Publication Number Publication Date
CH370235A true CH370235A (en) 1963-06-30

Family

ID=19750953

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6131758A CH370235A (en) 1957-08-16 1958-07-02 Process for the production of artificial sponges from regenerated cellulose and sponge produced in this way

Country Status (8)

Country Link
US (1) US3018192A (en)
AT (1) AT205749B (en)
BE (1) BE568995A (en)
CH (1) CH370235A (en)
DE (1) DE1103574B (en)
FR (1) FR1200663A (en)
GB (1) GB840206A (en)
NL (1) NL93730C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197327A (en) * 1961-09-27 1965-07-27 Du Pont Manufacture of rot resistant sponges
US4045238A (en) * 1974-05-20 1977-08-30 Avicon, Inc. Regenerated cellulose sponge
DE2707308C2 (en) * 1977-02-19 1982-07-01 Hoechst Ag, 6000 Frankfurt Shaped bodies with a spongy structure based on regenerated cellulose for medical purposes
EP0550879B1 (en) * 1992-01-07 1997-03-12 Akzo Nobel N.V. Process for coating cellulosic membranes
NZ257762A (en) * 1992-12-01 1997-03-24 Minnesota Mining & Mfg Antimicrobial metal complex comprising a chelating polymer one or more transition metals and a potentiator; use in a water-absorbing porous article (e.g. a sponge)
GB0600494D0 (en) * 2006-01-12 2006-02-22 3M Innovative Properties Co Wiping articles
EP2240060A2 (en) * 2007-12-21 2010-10-20 3M Innovative Properties Company Antimicrobial cellulose sponge and method of making
US8328988B2 (en) * 2010-03-15 2012-12-11 Weyerhaeuser Nr Company Reduction of the adsorption of quaternary ammonium salts onto cellulosic fibers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1388169A (en) * 1916-04-19 1921-08-23 Products Syndicate Inc Process of treating materials with cellulose derivatives
US2169392A (en) * 1937-05-01 1939-08-15 Rohm & Haas Process for the production of cellulosic textile fabric
US2137465A (en) * 1937-05-11 1938-11-22 Rohm & Haas Process of finishing textiles
GB578404A (en) * 1942-07-02 1946-06-27 John Idris Jones Improvements relating to the preparation of low density materials from viscose sponge
US2609270A (en) * 1949-11-15 1952-09-02 Inst Textile Tech Mildewproof cellulose produced by reaction with chlord-benzyl quaternary ammonium salts
US2853414A (en) * 1953-12-02 1958-09-23 American Sugar Refining Co Water-insoluble complex of quaternary ammonium salt, a heavy-metal oxide, and an organic colloid and method of preparing same
US2955958A (en) * 1956-03-05 1960-10-11 Nathan J Brown Process of treating woven textile fabric with a vinyl chloride polymer

Also Published As

Publication number Publication date
US3018192A (en) 1962-01-23
FR1200663A (en) 1959-12-23
BE568995A (en) 1958-07-15
AT205749B (en) 1959-10-10
GB840206A (en) 1960-07-06
DE1103574B (en) 1961-03-30
NL93730C (en) 1960-03-15

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