DE10305439A1 - Polymer acrylate film manufacture involves application of acrylate dispersion onto carrier strip with release agent coating and drying - Google Patents

Polymer acrylate film manufacture involves application of acrylate dispersion onto carrier strip with release agent coating and drying Download PDF

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Publication number
DE10305439A1
DE10305439A1 DE10305439A DE10305439A DE10305439A1 DE 10305439 A1 DE10305439 A1 DE 10305439A1 DE 10305439 A DE10305439 A DE 10305439A DE 10305439 A DE10305439 A DE 10305439A DE 10305439 A1 DE10305439 A1 DE 10305439A1
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Prior art keywords
acrylate
drying
release agent
carrier strip
film
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DE10305439A
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German (de)
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Peter Brinkmann
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
    • B29C39/18—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • 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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • C09J7/405—Adhesives in the form of films or foils characterised by release liners characterised by the substrate of the release liner
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/02—Inorganic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use 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; Derivatives of such polymers
    • C08J2333/04—Characterised by the use 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; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use 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; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • 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
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C09J2433/006—Presence of (meth)acrylic polymer in the substrate

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

One of more layers(16) of an aqueous dispersion(12) of an acrylate are applied onto the surface of a carrier(14) material using conventional methods and dried to form a film(22). The carrier material(14) is a continuous strip and is coated with an anti-adhesion coating. Film thickness is 30-1000 microns, preferably 80-500 microns.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einer Folie aus polymerem Acrylat.The invention relates to a method for the production of a film from polymeric acrylate.

Die Herstellung Folien aus thermoplastischem Material erfolgt üblicherweise durch thermische Verfahren aus der Schmelze heraus. Verschiedene polymere Acrylate, stehen als wässerige Dispersionen zur Verfügung und nicht als massives Rohmaterial. Folien aus polymerem Acrylat werden beispielsweise zur Abdeckung der Oberfläche von Abdeckungen aus Material mit klebriger Oberfläche benötigt.Manufacturing films from thermoplastic Material is usually made by thermal processes from the melt. Various polymeric acrylates, stand out as aqueous Dispersions available and not as a massive raw material. Polymer acrylic film are used, for example, to cover the surface of material covers with sticky surface needed.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die Herstellung von Folien auch aus solchen polymeren Acrylaten zu ermöglichen, die als wässerige Dispersionen zur Verfügung stehen.The present invention lies based on the task of producing films from such to enable polymeric acrylates the as watery Dispersions available stand.

Die Aufgabe wird erfindungsgemäß in verblüffend einfacher Weise dadurch gelöst, dass zumindest eine Schicht aus einer wässerigen Dispersion eines polymeren Acrylats auf die Oberfläche eines Trägers aufgebracht und getrocknet wird. Das Aufbringen kann beispielsweise durch Streichen, Rakeln oder Sprühen erfolgen.The task is surprisingly simple according to the invention Way solved by that at least one layer of an aqueous dispersion of a polymer Acrylate on the surface of a carrier is applied and dried. The application can, for example by brushing, knife coating or spraying respectively.

Die Herstellung der Folie kann kontinuierlich erfolgen, wenn der Träger bahnförmig ausgebildet ist, vorzugsweise als Band mit für die Folie gewünschten Breite.The film can be produced continuously, if the carrier web form is formed, preferably as a tape with the desired for the film Width.

Zur leichteren Trennung des Trägers von der fertigen Folie kann das Trägermaterial mit einem Antihaftmittel wie einer silikonhaltigen Verbindung oder Polytetrafluorethylen beschichtet oder auch durchtränkt sein.For easier separation of the carrier from the finished film can be the carrier material with a non-stick agent such as a silicone-containing compound or polytetrafluoroethylene coated or soaked his.

Als witterungs-, licht- und UV-beständige polymere Acrylate eignen sich sowohl polymere Reinacrylate wie reine Polyacrylsäureester, Polymethylacrylat (PMY) Polymethylmethacrylat (PMMA) oder dergleichen, als auch Mischacrylate mit beispielsweise Styrol- oder Butadien-Copoiymerisaten. Durch Variation der chemischen Zusammensetzung und der Molekülgröße können die Eigenschaften eines polymeren Acrylats in einem weiten Bereich dem Verwendungszweck angepasst werden.As weather, light and UV resistant polymers Acrylates are suitable for both polymeric pure acrylates and pure polyacrylic acid esters, Polymethyl acrylate (PMY) polymethyl methacrylate (PMMA) or the like, as well as mixed acrylates with, for example, styrene or butadiene copolymers. By varying the chemical composition and the molecular size, the Properties of a polymeric acrylate in a wide range Purpose to be adjusted.

Um eine höhere Feuerbeständigkeit zu erreichen kann das polymere Acrylat eine oder mehrere flammenhemmende Substanzen enthalten.To have a higher fire resistance the polymeric acrylate can be achieved by one or more flame retardants Contain substances.

Ein besserer Brandschutz wird erreicht, wenn das polymere Acrylat brandhemmend ausgerüstet ist, beispielsweise durch Zugabe von Blähgrafit, der sich bei einer Temperatur von 250°C bis 300°C aufbläht und dadurch eine Flamme zum Erlöschen bringt.Better fire protection is achieved if the polymeric acrylate is fire-retardant, for example by Addition of expanded graphite, which inflates at a temperature of 250 ° C to 300 ° C and thereby a flame to extinguish.

Zur Vermeidung von Bewuchs mit Pflanzen wie Moos, Pilzen, Flechten oder Algen kann die Deckschicht Herbizide und/oder Fungizide und/oder Algizide enthalten.To avoid overgrowth with plants such as Moss, fungi, lichens or algae can cover herbicides and / or contain fungicides and / or algicides.

Um der sichtbaren Oberfläche des Abdeckmaterials insbesondere zur Verlegung auf einem Dach eine gefällige Farbe zu geben kann die Deckschicht eingefärbt sein. Hierzu eignen sich insbesondere witterungs-, licht- und UV-beständige Pigmente wie Eisenoxidpigmente, Titandioxid und dergleichen. Auch organische Pigmente auf der Basis von Phtalocyanin oder Chinacridon sind geeignet.To the visible surface of the Covering material, especially for laying on a roof, a pleasing color the top layer can be colored. Are suitable for this in particular weather, light and UV-resistant pigments such as iron oxide pigments, Titanium dioxide and the like. Also based on organic pigments of phthalocyanine or quinacridone are suitable.

Die Dicke der Folie sollte etwa zwischen 30 μm und 1000 μm liegen, bevorzugt zwischen 80 μm und 500 μm. Um bei der Herstellung einer dicken Folie den Trocknungsvorgang zu beschleunigen wird empfohlen, auf den Träger eine dünne Schicht der wässrigen Acrylatdispersion aufzubringen, diese zu trocknen, erneut eine dünne Schicht aufzubringen und zu trocknen. Je nach gewünschter Schichtdicke der Folie kann dieser Vorgang mehrfach wiederholt werden. Das Trocknen kann durch Erwärmen beschleunigt werden. Beim mehrfachen Aufbringen und Trocknen von dünnen Schichten treten keine Schwindrisse auf, wie sie in einer dicken Schicht nur bei sehr langsamem Trocknen vermieden werden können.The thickness of the film should be approximately between 30 μm and 1000 μm lie, preferably between 80 microns and 500 μm. To complete the drying process when producing a thick film To accelerate it is recommended to apply a thin layer of the aqueous to the carrier Apply acrylic dispersion, dry it, again a thin layer apply and dry. Depending on the desired layer thickness of the film this process can be repeated several times. Drying can by heating be accelerated. When applying and drying several times thin Layers do not show shrinkage cracks like those in a thick one Layer can only be avoided with very slow drying.

Weitere Einzelheiten, Vorteile und Merkmale der Erfindung ergeben sich nicht nur aus den Ansprüchen, den diesen zu entnehmenden Merkmalen, für sich und/oder in Kombination, sondern auch aus der nachstehenden Beschreibung eines in der Zeichnung dargestellten bevorzugten Aufführungsbeispiels.More details, advantages and Features of the invention result not only from the claims these characteristics, for themselves and / or in combination, but also from the description below one in the drawing shown preferred performance example.

In der Figur ist grobschematisch in der Seitenansicht eine Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens dargestellt. Aus einem Sprühkopf 10 wird eine wässrige Dispersion 12 von polymerem Methacrylsäuremethylester mit einem Feststoffgehalt von 65 Gewichts-% auf einen als Band ausgebildeten mit Silikonharz beschichteten Träger 14 aufgesprüht. Dabei bildet sich auf der Oberseite des Trägers 14 eine Schicht 16 des wässrigen Dispersion 12. Der Träger 14 wird in Richtung des Pfeils 18 unter mehreren elektrischen Infrarotstrahlern vorbei bewegt, wobei die Schicht 16 zu einer Folie mit einer Dicke von 80 μm trocknet. Nach dem Abkühlen wird der Träger 14 mit der Folie 22 zum Transport zu einer Rolle 24 aufgewickelt.A roughly schematic side view of a device for carrying out the method according to the invention is shown in the figure. From a spray head 10 becomes an aqueous dispersion 12 of polymeric methacrylic acid methyl ester with a solids content of 65% by weight on a tape-shaped carrier coated with silicone resin 14 sprayed. This forms on the top of the carrier 14 a layer 16 of the aqueous dispersion 12 , The carrier 14 is going in the direction of the arrow 18 moved past under several electric infrared radiators, the layer 16 dries to a film with a thickness of 80 μm. After cooling, the carrier becomes 14 with the film 22 for transport to a roll 24 wound.

Claims (10)

Verfahren zur Herstellung einer Folie (22) aus polymerem Acrylat, dadurch gekennzeichnet, dass zumindest eine Schicht (16) einer wässerigen Dispersion (12) eines polymeren Acrylats auf die Oberfläche eines Trägers (14) aufgebracht und getrocknet wird.Process for making a film ( 22 ) made of polymeric acrylate, characterized in that at least one layer ( 16 ) an aqueous dispersion ( 12 ) a polymeric acrylate on the surface of a support ( 14 ) is applied and dried. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Träger (14) bahnförmig ausgebildet ist.A method according to claim 1, characterized in that the carrier ( 14 ) is designed in the form of a web. Verfahren nach zumindest Anspruch 1, dadurch gekennzeichnet, dass der Träger (14) zumindest mit einem Antihaftmittel beschichtet ist.Method according to at least claim 1, characterized in that the carrier ( 14 ) is at least coated with a non-stick agent. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das polymere Acrylat ein Mischacrylat ist.A method according to claim 1 or 2, characterized in that the polymeric acrylate Mixed acrylic is. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das polymere Acrylat ein Reinacrylat ist.A method according to claim 1 or 2, characterized in that that the polymeric acrylate is a pure acrylate. Verfahren nach zumindest Anspruch 1, dadurch gekennzeichnet, dass das polymere Acrylat zumindest eine flammenhemmende Substanz enthält.Method according to at least claim 1, characterized in that that the polymeric acrylate is at least a flame retardant contains. Verfahren nach zumindest Anspruch 1, dadurch gekennzeichnet, dass das polymere Acrylat brandhemmend ausgerüstet ist.Method according to at least claim 1, characterized in that that the polymeric acrylate is fire-retardant. Verfahren nach zumindest Anspruch 1, dadurch gekennzeichnet, dass das polymere Acrylat eingefärbt ist.Method according to at least claim 1, characterized in that that colored the polymeric acrylate is. Verfahren nach zumindest Anspruch 1, dadurch gekennzeichnet, dass die Dicke der Folie (22) etwa zwischen 30 μm und 1000 μm liegt.A method according to at least claim 1, characterized in that the thickness of the film ( 22 ) is approximately between 30 μm and 1000 μm. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass die Dicke der Folie (22) zwischen 80 μm und 500 μm liegt.A method according to claim 8, characterized in that the thickness of the film ( 22 ) is between 80 μm and 500 μm.
DE10305439A 2003-02-11 2003-02-11 Polymer acrylate film manufacture involves application of acrylate dispersion onto carrier strip with release agent coating and drying Withdrawn DE10305439A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2001052C2 (en) * 2007-08-20 2009-02-23 Altena Services B V Method for applying solid fire-resistant coating to substrate involves applying adhesive comprising layer of the same fire-resistant coating in liquid form, to the substrate; and applying the flexible solid coating layer to the substrates
AT522183A4 (en) * 2019-08-27 2020-09-15 Univ Wien Tech Process for the production of free-standing, thin layers of wall paint

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1943216A1 (en) * 1969-08-20 1971-03-11 Kurt Dr Bratring Casting plastics film and sheet
DE69124580T2 (en) * 1990-11-30 1997-05-28 Fuji Photo Film Co Ltd Process for casting foils
DE19632202A1 (en) * 1996-08-09 1998-02-12 Basf Ag Pressure-sensitive adhesives based on multi-stage polymers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1943216A1 (en) * 1969-08-20 1971-03-11 Kurt Dr Bratring Casting plastics film and sheet
DE69124580T2 (en) * 1990-11-30 1997-05-28 Fuji Photo Film Co Ltd Process for casting foils
DE19632202A1 (en) * 1996-08-09 1998-02-12 Basf Ag Pressure-sensitive adhesives based on multi-stage polymers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2001052C2 (en) * 2007-08-20 2009-02-23 Altena Services B V Method for applying solid fire-resistant coating to substrate involves applying adhesive comprising layer of the same fire-resistant coating in liquid form, to the substrate; and applying the flexible solid coating layer to the substrates
AT522183A4 (en) * 2019-08-27 2020-09-15 Univ Wien Tech Process for the production of free-standing, thin layers of wall paint
AT522183B1 (en) * 2019-08-27 2020-09-15 Univ Wien Tech Process for the production of free-standing, thin layers of wall paint
EP3786609A1 (en) 2019-08-27 2021-03-03 Technische Universität Wien Method for producing free-standing thin coatings of wall colour

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