CH239760A - Method of gluing. - Google Patents

Method of gluing.

Info

Publication number
CH239760A
CH239760A CH239760DA CH239760A CH 239760 A CH239760 A CH 239760A CH 239760D A CH239760D A CH 239760DA CH 239760 A CH239760 A CH 239760A
Authority
CH
Switzerland
Prior art keywords
adhesive
gluing
leather
ester
polymethacrylic
Prior art date
Application number
Other languages
German (de)
Inventor
Lonza Elektrizitaetswer Gampel
Original Assignee
Lonza 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 Lonza Ag filed Critical Lonza Ag
Publication of CH239760A publication Critical patent/CH239760A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/10—Homopolymers or copolymers of methacrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L31/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
    • C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C08L31/04—Homopolymers or copolymers of vinyl acetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Description

  

      Yeilahren    zum     Klebon.       Es wurde gefunden, dass sich polymere       iLIethacrylsäureester,    zum Beispiel     Poly-          methacrylsäurebutylester,    vorzüglich zum  Kleben, insbesondere zum Verkleben von  Lederpartikeln, zum Beispiel von zerkleiner  ten Lederabfällen und     Fasern,    eignen.  



  Man kann das Klebemittel in jeder ge  eigneten Form verwenden, zum Beispiel in  fester Form als Pulver oder     äls    Folien oder  in Lösung. Sehr zweckmässig sind wässerige  Dispersionen mit oder ohne Netz- und     Emul-          giermittel,    welche sich wie Latex verwenden  lassen.  



  Man kann ein solches     Polymerisat    allein  oder zusammen mit andern Stoffen, wie zum  Beispiel Weichmachern, andern natürlichen  oder künstlichen Klebemitteln, Verdünnungs  mitteln,     Füllstoffen,    zum Beispiel andern als  von Leder stammenden Faserstoffen, ver  wenden.  



  Besondere Effekte lassen sich erreichen,  wenn man Gemische von     Klebemitteln    ver-    wendet, die sich nicht oder nur schlecht mit  einander vertragen, sich also zum Beispiel  nicht     ineinander    lösen. Solche Klebstoffe ver  leihen zum Beispiel beim Verkleben von  Lederabfällen zu Kunstleder diesem eine zu  sätzliche Struktur, indem es zum Beispiel  poröser wird.

   Ein solcher mit     Polymethacryl-          säureestern        unverträglicher        Kunststoff    ist  zum Beispiel     Polyvenylacetat.    Beide Arten  von     Kunststoffen    können als gemeinsame  Lösung oder als Emulsion gleichzeitig oder  nacheinander auf die Lederabfälle auf  gebracht werden.  



  Die     Verklebung    kann in jeder beliebigen  Art erfolgen, zum Beispiel durch Druck oder  Wärme. Vorzügliche Resultate ergibt zum  Beispiel das Arbeiten nach dem     Schweizer-          Patent    Nr. 118458 zur Herstellung von  Kunstleder.  



       Klan    kann auch so vorgehen, dass man den       Polymethacrylester    oder die zusätzlichen      Klebstoffe oder beide zum Beispiel in der  Ledermasse noch     nachhärtet.     



  Eine sehr geeignete Arbeitsweise bei der  Ausführung des erfindungsgemässen Verfah  rens zum Verkleben von Fasern zu Kunst  leder ergibt sich auch dadurch, dass man  Klebemittel der     angegebenen    Art in     Emul-          sionsform    anwendet und so vorgeht, dass     man     das Koagulieren des Klebemittels erst. nach  Überführung eines aus den Fasern hergestell  ten     Faserstoffbreis    in     einen        plattenförmigen          bezw.        vliessartigen    Zustand mit Elektrolyt  lösungen, beispielsweise durch Kochsalz  lösung, ausführt.



      Driving to Klebon. It has been found that polymeric methacrylic acid esters, for example polymethacrylic acid butyl ester, are particularly suitable for gluing, in particular for gluing leather particles, for example comminuted leather waste and fibers.



  The adhesive can be used in any suitable form, for example in solid form as a powder or as films or in solution. Aqueous dispersions with or without wetting and emulsifying agents, which can be used like latex, are very useful.



  Such a polymer can be used alone or together with other substances, such as plasticizers, other natural or artificial adhesives, diluents, fillers, for example fibers other than those derived from leather.



  Special effects can be achieved if mixtures of adhesives are used that do not or only poorly get along with one another, for example do not dissolve in one another. Such adhesives, for example when gluing leather waste to artificial leather, give it an additional structure, for example by making it more porous.

   Such a plastic that is incompatible with polymethacrylic acid esters is, for example, polyvinyl acetate. Both types of plastics can be applied to the leather waste at the same time or one after the other as a common solution or as an emulsion.



  The bonding can be done in any way, for example by pressure or heat. Working according to Swiss patent no. 118458 for the production of artificial leather, for example, gives excellent results.



       Klan can also proceed in such a way that the polymethacrylic ester or the additional adhesives or both, for example in the leather compound, are post-cured.



  A very suitable way of working when carrying out the process according to the invention for gluing fibers to form synthetic leather is also obtained by using adhesive of the specified type in emulsion form and proceeding in such a way that the adhesive is only coagulated after one has been transferred the fibers hergestell th pulp in a plate-shaped BEZW. Fleece-like state with electrolyte solutions, such as saline solution, executes.

Claims (1)

PATENTANSPRUCH: Verfahren zum Kleben, dadurch gekenn zeichnet, dass man ein Klebmittel verwendet, welches mindestens einen Poly methacrvl- säureester enthält. UNTERANSPRMFIE: 1. Verfahren nach Patentansprueb, da durch gekennzeichnet, dass das Klebmittel ein Gemisch mehrerer Polymethacrylester ent hält. 2. Verfahren nach Patentanspruch, da durch gekennzeichnet, dass dem Klebmittel mindestens ein anderer Klebstoff zugefügt wird. 3. PATENT CLAIM: A method of gluing, characterized in that an adhesive is used which contains at least one poly methacrylic acid ester. SUB-CLAIM: 1. Method according to patent claim, characterized in that the adhesive contains a mixture of several polymethacrylic esters. 2. The method according to claim, characterized in that at least one other adhesive is added to the adhesive. 3. Verfahren nach Patentanspruch und Untera.nsprueli ?, dadurch gekennzeichnet, dass man dein Klebmittel noch mindestens einen solchen andern Kunststoff zufügt, der sich mit Polymethaerylester nicht oder nur schlecht verträgt. 4. Verfahren nach Patentanspruch und Unteranspruch 2 und 3, dadurch gekennzeich net, dass man als Klebmittel ein Gemisch aus Polymethacrylester und Poly vinylacetat ver wendet. 5. Verfahren nach Patentanspruch, da durch gekennzeielinet, dass man Lederpartikel verklebt. Method according to patent claim and sub-clause, characterized in that at least one such other plastic is added to the adhesive which is not or only poorly compatible with polymethaeryl ester. 4. The method according to claim and dependent claims 2 and 3, characterized in that a mixture of polymethacrylic ester and poly vinyl acetate is used as the adhesive. 5. The method according to claim, as marked by that leather particles are glued.
CH239760D 1941-07-25 1941-07-25 Method of gluing. CH239760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH239760T 1941-07-25

Publications (1)

Publication Number Publication Date
CH239760A true CH239760A (en) 1945-11-15

Family

ID=4461407

Family Applications (1)

Application Number Title Priority Date Filing Date
CH239760D CH239760A (en) 1941-07-25 1941-07-25 Method of gluing.

Country Status (1)

Country Link
CH (1) CH239760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006001094A1 (en) * 2006-01-09 2007-07-12 TESCH, Günter Abriebfenster, waterproof floor and wall covering
DE102006001098A1 (en) * 2006-01-09 2007-07-12 TESCH, Günter Web-shaped material with a cover layer and with a carrier layer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006001094A1 (en) * 2006-01-09 2007-07-12 TESCH, Günter Abriebfenster, waterproof floor and wall covering
DE102006001098A1 (en) * 2006-01-09 2007-07-12 TESCH, Günter Web-shaped material with a cover layer and with a carrier layer

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