DE1137535B - Cleaning sheet - Google Patents

Cleaning sheet

Info

Publication number
DE1137535B
DE1137535B DEN17605A DEN0017605A DE1137535B DE 1137535 B DE1137535 B DE 1137535B DE N17605 A DEN17605 A DE N17605A DE N0017605 A DEN0017605 A DE N0017605A DE 1137535 B DE1137535 B DE 1137535B
Authority
DE
Germany
Prior art keywords
capsules
adsorbent
paper
cleaning sheet
liquid
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.)
Pending
Application number
DEN17605A
Other languages
German (de)
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Publication of DE1137535B publication Critical patent/DE1137535B/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • A47L13/17—Cloths; Pads; Sponges containing cleaning agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/049—Cleaning or scouring pads; Wipes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/12—Processes in which the treating agent is incorporated in microcapsules
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/64—Inorganic compounds
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape
    • D21H21/54—Additives of definite length or shape being spherical, e.g. microcapsules, beads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249954—With chemically effective material or specified gas other than air, N, or carbon dioxide in void-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
    • Y10T428/249995—Constituent is in liquid form
    • Y10T428/249997—Encapsulated liquid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2965—Cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only

Description

Die Erfindung betrifft ein Reinigungsblatt, das sich zum Entfernen von auf einem Gegenstand befindlichen Öl- und/oder Schmutzflecken eignet.The invention relates to a cleaning sheet that is used to remove items on an object Oil and / or dirt stains are suitable.

Bekannt ist die Kombination aus einem absorbierenden Träger, kleinste Teilchen eines Adsorbens und einem flüssigen Schmutzentferner. In dieser bekannten Kombination ist jedoch die schmutzentfernende Flüssigkeit der Verdunstung ausgesetzt, die das Reinigungsblatt daher feucht macht und eine ständige Freigabe der in der Flüssigkeit enthaltenen Gase unerwünschterweise zuläßt, bis diese vollständig verdunstet ist.The combination of an absorbent carrier and the smallest particles of an adsorbent is known and a liquid dirt remover. In this known combination, however, is the dirt-removing one The liquid is exposed to evaporation, which makes the cleaning sheet damp and a continuous release of the gases contained in the liquid undesirably allows until this is complete has evaporated.

Es ist ferner bekannt, bei Vervielfältigungs- und selbstfärbenden Aufzeichnungsmaterialien einen Träger mit einer Beschichtung aus mikroskopisch kleinen, durch Druckanwendung aufbrechbaren, in einem Koacervierungsverfahren hergestellten Kapseln zu versehen. Die genannten Kapseln enthalten eine adsorbierbare Verbindung, die eine Färbung hervorruft, wenn sie mit einem geeigneten Adsorbens in Berührung gebracht wird. Das Adsorbens kann bei Vervielfältigungsblättern auf eine Aufnahmefläche aufgetragen werden. Das Adsorbens kann aber auch bei selbstfärbenden Aufzeichnungsblättern zusammen mit den die absorbierbare Verbindung enthaltenden Kapseln auf den Träger aufgetragen werden. In solchen mikroskopisch kleinen, durch Druckanwendung aufbrechbaren, eine adsorbierbare Verbindung enthaltenden Kapseln ist jedoch diese Verbindung nur in Mengen enthalten, die nicht ausreichen, um die Aufnahmefläche oder gegebenenfalls den Träger zu befeuchten, wenn die Kapseln aufgebrochen werden. Auch übt die genannte Verbindung keinesfalls eine schmutzentfernende Wirkung aus.It is also known to use a carrier in duplicating and self-inking recording materials with a coating of microscopic, breakable by the application of pressure, in one To provide capsules produced by coacervation process. The capsules mentioned contain an adsorbable Compound that produces color when mixed with a suitable adsorbent Is brought into contact. In the case of duplicating sheets, the adsorbent can be placed on a receiving surface be applied. However, the adsorbent can also be used together with self-inking recording sheets with the capsules containing the absorbable compound are applied to the carrier. In such microscopic, breakable by the application of pressure, containing an adsorbable compound Capsules, however, only contain this compound in sufficient quantities To moisten the receiving surface or, if necessary, the carrier when the capsules are broken. In addition, the compound mentioned in no way has a dirt-removing effect.

Demgegenüber besteht die Aufgabe der Erfindung in der Schaffung eines Reinigungsblattes, das sich bei Berührung trocken anfühlt, ohne Verdunstungsgefahr unbegrenzt lagerbar ist, während der Lagerung weder riecht noch Dämpfe abgibt und bei Aufbrechen der Kapseln an den Reibungsdruckstellen den flüssigen Schmutzentferner in einer solchen Menge auf die zu reinigende Fläche abgibt, daß der auf ihr befindliche Schmutz entfernt wird.In contrast, the object of the invention is to provide a cleaning sheet that is at Dry to the touch, can be stored indefinitely without the risk of evaporation, neither during storage smells still emits vapors and when the capsules are broken it gives off the liquid at the friction pressure points Releases dirt remover in such an amount on the surface to be cleaned that the one on it Dirt is removed.

Demgemäß geht die Erfindung aus von einem Reinigungsblatt, bestehend aus einem Blatt adsorbierenden Papiers, das ein Adsorbens und einen flüssigen Schmutzentferner enthält. Sie ist dadurch gekennzeichnet, daß der flüssige Schmutzentferner in in bekannter Weise durch Koacervierung erhaltenen Kapseln eingeschlossen ist.Accordingly, the invention is based on a cleaning sheet consisting of an adsorbent sheet Paper containing an adsorbent and a liquid soil remover. It is characterized by that the liquid dirt remover in capsules obtained in a known manner by coacervation is included.

Da der flüssige Schmutzentferner in Kapseln eingeschlossen ist, fühlt sich das Papier trocken an, und.Because the liquid dirt remover is enclosed in capsules, the paper feels dry, and.

ReinigungsblattCleaning sheet

Anmelder:Applicant:

National Cash Register Company,
Dayton, Ohio (V. St. A.)National Cash Register Company,
Dayton, Ohio (V. St. A.)

Vertreter: Dr. A. Stappert, Rechtsanwalt,
Düsseldorf, Feldstr. 80Representative: Dr. A. Stappert, lawyer,
Düsseldorf, Feldstr. 80

Beanspruchte Priorität:
V. St. v. Amerika vom 8. Dezember 1958 (Nr. 778 643)Claimed priority:
V. St. v. America, December 8, 1958 (No. 778 643)

ein Verdunsten eines flüchtigen flüssigen Schmutzentferners wird verhindert. evaporation of a volatile liquid dirt remover is prevented.

In dem absorbierenden Papier können verschiedene Adsorbentien miteinander vermischt sein. Desgleichen kann auch eine Mischung von verschiedene schmutzentfernende Flüssigkeiten enthaltenden Kapseln verwendet oder eine Mischung von verschiedenen schmutzentfernenden Flüssigkeiten in den Kapseln vorgesehen werden.Various adsorbents may be mixed with one another in the absorbent paper. Likewise can also be a mixture of capsules containing different soil removing liquids used or a mixture of different soil removing liquids in the capsules are provided.

Die festen, aus kleinsten Teilchen bestehenden Adsorbentien, wie beispielsweise adsorbierfähiges Aluminiumsilikat mit der Papiermasse können in bekannter Weise vor Herstellung des Papierblattes gemischt werden, so daß sie fest mit den Papierfasern des Blattes verbunden sind. Eine andere bekannte Art, das aus kleinsten Teilchen bestehende Adsorbens in das Papier einzuarbeiten, besteht darin, es ganz einfach in die Papierfasersuspension einzurühren, bevor diese zu Papierblättern verarbeitet wird. Eine bevorzugte Ausführungsform ist das einer Beschichtung eines Papierblattes mit den Teilchen des festen Adsorbens. Die die Flüssigkeit enthaltenden Kapseln können entweder in das Adsorbens eingelagert sein, oder die Kapseln können in Form einer weiteren Beschichtung auf die bereits auf dem Blatt befindliche Adsorbensbeschichtung aufgetragen und getrocknet werden.The solid adsorbents consisting of very small particles, such as adsorbable Aluminum silicate with the paper pulp can be mixed in a known manner before the production of the paper sheet so that they are firmly connected to the paper fibers of the sheet. Another well-known The way to incorporate the adsorbent, which consists of the smallest particles, into the paper is to use it simply stir it into the paper fiber suspension before it is processed into sheets of paper. A preferred embodiment is that of coating a sheet of paper with the particles of the solid adsorbent. The capsules containing the liquid can either be stored in the adsorbent be, or the capsules can be in the form of another coating on the one already on the sheet The adsorbent coating located is applied and dried.

Nachfolgend werden bevorzugte Ausführungsformen des Reinigungsblattes nach der Erfindung beschrieben. Es besteht aus einem Blatt absorbierenden Papiers, das mit einem aus kleinsten Teilchen be-Preferred embodiments of the cleaning sheet according to the invention are described below. It consists of a sheet of absorbent paper that is filled with a

209 659/21209 659/21

stehenden Adsorbens und mit eine schmutzentfernende Flüssigkeit enthaltenden Kapseln beschichtet ist. Wird ein zu reinigender Gegenstand nuVdem Reinigungsblatt abgerieben, so wird dieses durch Aufbrechen der Kapseln und Freiwerden des flüssigen Schmutzenferners aktiviert und der Schmutz, besonders öliger Art, gelöst und entfernt. Der entfernte Schmutz wird durch das Reinigungsblatt adsorbiert ■ und absorbiert. Das Reinigungsblatt umfaßt drei Eigenschaften: die eines Lösungsmittels, die eines Adsorbens und die eines Absorbens. Diese Eigenschaften erweisen sich in Kombination für den angegebenen Zweck als äußerst wirksam.standing adsorbent and coated with a dirt-removing liquid containing capsules is. If an object to be cleaned is rubbed off with the cleaning sheet, it will through Break open the capsules and release the liquid dirt remover and the dirt, especially oily kind, dissolved and removed. The removed dirt is adsorbed by the cleaning sheet ■ and absorbed. The cleaning sheet has three properties: that of a solvent, that of one Adsorbent and that of an absorbent. These properties turn out to be in combination for the specified Purpose to be extremely effective.

Zu den festen, aus kleinsten Teilchen bestehenden Stoffen, die sich zur Verwendung eignen, sind die allgemein bekannten Fullererden, wie beispielsweise Montmorillonit, Kaolin, Bentonit, natürliche oder künstliche Zeolite, wie Natrium-Aluminiumsilikat, und künstlich aktivierte Formen der vorgenannten Stoffe zu zählen. Es gibt eine große Anzahl von Adsorbentien, die sich für den erfindungsgemäßen Zweck eignen würden, jedoch wird für das bevorzugte Ausführungsbeispiel dieser Erfindung infolge seines hohen Wirkungsgrades und der leichten Gewinnung aus natürlichen Vorkommen Attapulgit gewählt. Among the solid, minute particulate materials that are suitable for use are generally known fuller's earths, such as montmorillonite, kaolin, bentonite, natural or artificial zeolites such as sodium aluminum silicate and artificially activated forms of the foregoing Count fabrics. There are a large number of adsorbents which can be used in the present invention Would suit this purpose, however, the preferred embodiment of this invention will obey its high efficiency and easy extraction Attapulgite chosen from natural occurrences.

Bei einem bevorzugten Verfahren zur Einkapselung der schmutzentfernenden Flüssigkeit werden 140 g Diäthylbenzol in 180 g einer llgewichtsprozentigen wässerigen Lösung von Gelatine mit einem isoelektrischen Punkt von etwa pH 8 emulgiert, und die Emulsion wird, nachdem sie auf eine Tröpfchengröße von etwa 5 μ reduziert ist, auf einen pH-Wert von 7 gebracht. Dann werden 120 g einer llgewichtsprozentigen wässerigen Gummiarabikumlösung der Gelatinelösungsemulsion zugesetzt. Die Mischung wird auf einem pH-Wert 7 und die Temperatur während des ganzen Vorganges bis zur endgültigen Bildung der Kapseln auf etwa 55° C gehalten. Dieser Lösungsmischung werden 60 ecm einer lgewichtsprozentigen wässerigen Lösung von Polyvinylmethyläthermaleinsäureanhydrid-Mischpolymerisat mit einem PinWert von 9 zugesetzt, und anschließend wird die ganze Mischung auf einen pH-Wert von 9 gebracht. Schließlich werden 850 g Wasser zugesetzt, und nach gründlicher Verteilung der Mischungsbestandteile wird der pH-Wert durch unter ständigem Rühren erfolgendes tropfenweises Zusetzen einer lOgewichtsprozentigen wässerigen Lösung von Essigsäure auf 4,6 gesenkt. Das Rühren wird auch während der Senkung der Temperatur auf 14° C weiter fortgesetzt. Bei dieser Temperatur festigen sich die Wände der gebildeten Kapseln. Es werden nun 10 ecm einer 25gewichtsprozentigen wässerigen Lösung von GIutaraldehyd eingerührt. Die den flüssigen Schmutzentferner enthaltenden Kapseln sind jetzt fertig. Der Wasseranteil der Suspension kann so weit vermindert werden, daß eine Beschichtungsmasse geeigneter Viskosität entsteht, die dann auf Papier aufgebracht wird, das das aus kleinsten Teilchen bestehende Adsorbens bereits als Einlagerung enthält oder als Beschichtung trägt.In a preferred method of encapsulating the stain-removing liquid 140 g diethylbenzene are emulsified in 180 g of a llgewichtsprozentigen aqueous solution of gelatin having an isoelectric point of about p H 8, and the emulsion is, after it is μ is reduced to a droplet size of about 5, brought to a pH value of. 7 Then 120 g of a 1% strength by weight aqueous gum arabic solution are added to the gelatin solution emulsion. The mixture is maintained at a pH value 7 and the temperature throughout the process until the final formation of the capsules to about 55 ° C. This solution mixture 60 cc of an aqueous solution of lgewichtsprozentigen Polyvinylmethyläthermaleinsäureanhydrid copolymer with a PinWert of 9 was added and then the whole mixture to a pH value is brought from. 9 Finally, 850 g of water are added, and after thorough distribution of the constituents of the mixture of the pH-value by forming performance while stirring continuously dropwise adding a lOgewichtsprozentigen aqueous solution of acetic acid to 4.6 is lowered. Stirring is continued even while the temperature is lowered to 14 ° C. At this temperature, the walls of the capsules formed solidify. 10 ecm of a 25 percent strength by weight aqueous solution of glutaraldehyde are then stirred in. The capsules containing the liquid dirt remover are now ready. The water content of the suspension can be reduced to such an extent that a coating composition of suitable viscosity is produced, which is then applied to paper which already contains the adsorbent consisting of the smallest particles as an embedment or carries it as a coating.

Mittels des genannten Einkapselungsverfahrens können auch andere schmutzentfernende Flüssigkeiten, wie Petroleumdestillat (das Fraktionen, wie Gasolin, Kerosin und leichtes Schmieröl, enthält), Toluol, Xylol und andere bekannte, in Wasser unlösliche, vorzugsweise leichtflüchtige, schmutzentfernende Flüssigkeiten eingekapselt werden.By means of the above-mentioned encapsulation process, other dirt-removing liquids, such as petroleum distillate (which contains fractions such as gasoline, kerosene and light lubricating oil), Toluene, xylene and other known, water-insoluble, preferably highly volatile, dirt-removing Liquids are encapsulated.

Aus dem vorangegangenen ergibt sich, daß das Reinigungsblatt trotz Vorhandenseins einer beträchtlichen Menge flüssigen Schmutzentferners sich bei Berührung trocken anfühlt und in diesem Zustand so lange verbleibt, bis es durch Reibung auf einem zu reinigenden Gegenstand wirksam wird.From the foregoing it can be seen that the cleaning sheet, in spite of the presence of a considerable Lot of liquid dirt remover feels dry to the touch and so in this state remains until it becomes effective through friction on an object to be cleaned.

Alle Teile der Beschreibung, die über die Erläuterung des Inhalts der Patentansprüche hinausgehen, sind nicht Gegenstand der Erfindung.All parts of the description that go beyond the explanation of the content of the claims, are not the subject of the invention.

Claims (4)

PATENTANSPRÜCHE:PATENT CLAIMS: 1. Reinigungsblatt, bestehend aus einem Blatt absorbierenden Papiers, das ein Adsorbens und einen flüssigen Schmutzentferner enthält, dadurch gekennzeichnet, daß der flüssige Schmutzentferner in in bekannter Weise durch Koacervierung erhaltenen Kapseln eingeschlossen ist.1. Cleaning sheet consisting of a sheet of absorbent paper containing an adsorbent and a liquid dirt remover, characterized in that the liquid dirt remover is enclosed in capsules obtained in a known manner by coacervation. 2. Reinigungsblatt nach Anspruch 1, dadurch gekennzeichnet, daß das Adsorbens und die Kapseln als zwei aneinanderliegende Beschichtungen in bekannter Weise auf das Papier aufgebracht sind.2. Cleaning sheet according to claim 1, characterized in that the adsorbent and the capsules as two adjacent coatings applied to the paper in a known manner are. 3. Reinigungsblatt nach Anspruch 1, dadurch gekennzeichnet, daß das Adsorbens und die Kapseln miteinander vermischt in Form einer einzigen Schicht auf das Papier aufgebracht sind.3. Cleaning sheet according to claim 1, characterized in that the adsorbent and the capsules mixed with each other in the form of a single layer are applied to the paper. 4. Reinigungsblatt nach Anspruch 1, dadurch gekennzeichnet, daß das Adsorbens in das Papier eingelagert ist und die Kapseln als Beschichtung auf das Papier aufgetragen sind.4. Cleaning sheet according to claim 1, characterized in that the adsorbent is in the paper is stored and the capsules are applied as a coating on the paper. In Betracht gezogene Druckschriften:
Deutsche Auslegeschriften Nr. 1 010 822,
1 017 905;
USA.-Patentschriften Nr. 2 800 457, 2 800 458.Considered publications:
German Auslegeschrift No. 1 010 822,
1,017,905;
U.S. Patent Nos. 2,800,457, 2,800,458. © 209 659/21 9.© 209 659/21 9.
DEN17605A 1958-12-08 1959-12-05 Cleaning sheet Pending DE1137535B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77864358 US2980941A (en) 1958-12-08 1958-12-08 Cleaning sheet

Publications (1)

Publication Number Publication Date
DE1137535B true DE1137535B (en) 1962-10-04

Family

ID=25114003

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN17605A Pending DE1137535B (en) 1958-12-08 1959-12-05 Cleaning sheet

Country Status (4)

Country Link
US (1) US2980941A (en)
DE (1) DE1137535B (en)
FR (1) FR1252660A (en)
GB (1) GB870241A (en)

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US2980941A (en) 1961-04-25
GB870241A (en) 1961-06-14
FR1252660A (en) 1961-02-03

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