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NO159780B - PROCEDURE FOR THE MANUFACTURING OF AN EXTENSIVE PLASTIC PRODUCT. - Google Patents

PROCEDURE FOR THE MANUFACTURING OF AN EXTENSIVE PLASTIC PRODUCT. Download PDF

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Publication number
NO159780B
NO159780B NO813532A NO813532A NO159780B NO 159780 B NO159780 B NO 159780B NO 813532 A NO813532 A NO 813532A NO 813532 A NO813532 A NO 813532A NO 159780 B NO159780 B NO 159780B
Authority
NO
Norway
Prior art keywords
plastic
surface layer
decorative surface
carrier
formaldehyde
Prior art date
Application number
NO813532A
Other languages
Norwegian (no)
Other versions
NO813532L (en
NO159780C (en
Inventor
Claes Troedsson
Original Assignee
Perstorp Ab
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
Priority claimed from SE8101107A external-priority patent/SE451560B/en
Application filed by Perstorp Ab filed Critical Perstorp Ab
Publication of NO813532L publication Critical patent/NO813532L/en
Publication of NO159780B publication Critical patent/NO159780B/en
Publication of NO159780C publication Critical patent/NO159780C/en

Links

Classifications

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    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
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    • B32B29/005Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/02Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/06Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/02Superimposing layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0415Ornamental plaques, e.g. decorative panels, decorative veneers containing metallic elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • B32B2037/1215Hot-melt adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/026Wood layer
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B2311/24Aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B2317/12Paper, e.g. cardboard
    • B32B2317/125Paper, e.g. cardboard impregnated with thermosetting resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00Animal or vegetable based
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    • B32B2323/04Polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2325/00Polymers of vinyl-aromatic compounds, e.g. polystyrene
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • BPERFORMING OPERATIONS; TRANSPORTING
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Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Table Devices Or Equipment (AREA)

Description

Den foreliggende oppfinnelse angår en fremgangsmåte til fremstilling av et langstrakt plastprodukt som f.eks. en gerikt, The present invention relates to a method for producing an elongated plastic product such as e.g. a dish,

en gulvlist eller en dekklist, omfattende en bærer av termoplast som i det minste på sin ene side er forsynt med et dekorativt overflateskikt. a floor skirting or a covering skirting, comprising a carrier of thermoplastic which is provided with a decorative surface layer at least on one side.

Det er tidligere kjent å fremstille.f.eks. gerikter, gulvlister og dekklister av termoplast, som f.eks. polyvinylklorid. Frem-stillingen ble foretatt ved ekstrudering. Ved denne kontinuerlige, rasjonelle produksjon fås listene som, i prinsippet ubegrenset lange profillegemer, som siden kappes til ønsket lengde. It is previously known to produce, e.g. strips, skirting boards and cover strips made of thermoplastic, such as e.g. polyvinyl chloride. The production was carried out by extrusion. With this continuous, rational production, the strips are obtained as, in principle, unlimited long profile bodies, which are then cut to the desired length.

De fremstilte produkter har flere gode egenskaper. Imidlertid har de også uheldige egenskaper som har ført til at mange folk ikke godtar dem. Fremfor alt kan listene lett få riper og samle smuss pga. den elektrostatiske ladning som forekommer i produktene. Dessuten har man ikke kunnet lage produkter med dekorativt mønstret overflate. The manufactured products have several good properties. However, they also have unfortunate characteristics that have led to many people not accepting them. Above all, the lists can easily get scratches and collect dirt due to the electrostatic charge occurring in the products. Furthermore, it has not been possible to make products with a decorative patterned surface.

Sluttelig kan produktene stort sett ikke spikres, noe som fagfolk anser som en alvorlig ulempe. Finally, the products mostly cannot be nailed, which professionals consider a serious disadvantage.

Foreliggende oppfinnelse har til hensikt å rydde de nevnte ulemper av veien og skaffe en fremgangsmåte til fremstilling av et plastprodukt, f.eks. i form av en skapluke, en dør, The purpose of the present invention is to clear the mentioned disadvantages out of the way and provide a method for producing a plastic product, e.g. in the form of a cupboard door, a door,

en gerikt, en gulvlist, en dekklist, en vindusramme, en blomsterpotte eller en papirkurv, som er forsynt med et dekorativt overflateskikt. Denne hensikt oppnås ved en fremgangsmåte som er kjennetegnet ved det som fremgår av kravene. a skirting board, a skirting board, a decking board, a window frame, a flower pot or a paper basket, which is provided with a decorative surface layer. This purpose is achieved by a method which is characterized by what appears in the requirements.

Bæreren fremstilles fortrinnsvis av vinylplast, som polyvinylklorid; polystyren; acrylbutadienstyrenpolymer (ABS); polypropen eller polyeten. Også andre termoplaster med tilsvarende egenskaper vil imidlertid kunne anvendes. The carrier is preferably made of vinyl plastic, such as polyvinyl chloride; polystyrene; acrylic butadiene styrene polymer (ABS); polypropylene or polyethylene. However, other thermoplastics with similar properties can also be used.

Ved et alternativ, hvor det dekorative overflateskikt består av trefinér, er det særlig hensiktsmessig om fineren er overflatebehandlet eller impregnert for å få vannavvisende egenskaper. I den forbindelse kan man f.eks. anvende syreherdnende lakk, polyuretanlakk, polyesterlakk, epoksylakk, nitrocellu-loselakk eller polyakrylatlakk. Man vil også kunne anvende autoklavimpregnert finér. In the case of an alternative, where the decorative surface layer consists of wood veneer, it is particularly appropriate if the veneer is surface-treated or impregnated to obtain water-repellent properties. In this connection, one can e.g. use acid-hardening varnish, polyurethane varnish, polyester varnish, epoxy varnish, nitrocellulose varnish or polyacrylate varnish. It will also be possible to use autoclave-impregnated veneer.

Fineren kan være kappet i passende lengder eller sammensatt til endeløs form. The veneer can be cut to suitable lengths or assembled into an endless form.

Utgjøres det dekorative overflateskikt av metall, anvender men fortrinnsvis messing, kobber eller aluminium. Det er da gunstig av hensyn til omkostningene å benytte tynne folier. Det er dog intet til hinder for å anvende tykkere metallskikt. If the decorative surface layer is made of metal, preferably use brass, copper or aluminium. It is therefore advantageous for reasons of cost to use thin foils. However, there is nothing to prevent using thicker metal layers.

I henhold til det ovenstående kan det dekorative overflateskikt inneholde herdeplast. Man kan da som en mulig variant benytte et enkelt ark av papir eller tøy, som er impregnert med en herdeplast. En annen mulighet består i å anvende et herdeplastlaminat som dekorativt overflateskikt. Slike laminater fremstilles ved sammenpresning av to eller flere herde-plastimpregnerte ark av papir eller tøy, under forhøyet trykk og forhøyet temperatur. According to the above, the decorative surface layer may contain thermosetting plastic. As a possible variant, you can then use a single sheet of paper or cloth, which has been impregnated with a thermosetting plastic. Another possibility is to use a thermosetting plastic laminate as a decorative surface layer. Such laminates are produced by pressing together two or more hard plastic-impregnated sheets of paper or cloth, under elevated pressure and elevated temperature.

Slike laminater kan idag fremstilles kontinuerlig. Men det Such laminates can today be produced continuously. But it

er stadig mest vanlig at presningen skjer satsvis i flereta-sjers presser hvor materialet til flere laminatplater presses samtidig. Innen presningen kan skje, må bl.a. separate ark av papir eller tøy impregnert' med herdeplast, stables på hver-andre til den såkalte pressepakke, noe som oftest skjer manu-elt. Ved den ovennevnte kontinuerlige presning blir derimot to eller flere baner av herdeplastimpregnert papir eller tøy matet inn i en kontinuerlig presse. Det ferdige laminat kan da fås som ruller. it is increasingly common for the pressing to take place in batches in multi-storey presses where the material for several laminate boards is pressed at the same time. Before the pressing can take place, i.a. separate sheets of paper or cloth impregnated with thermosetting plastic are stacked on top of each other to form the so-called press package, which is most often done manually. In the above-mentioned continuous pressing, on the other hand, two or more webs of thermoset-impregnated paper or cloth are fed into a continuous press. The finished laminate can then be obtained as rolls.

Herdeplastlaminatet kan på konvensjonell måte fremstilles The thermosetting plastic laminate can be produced in a conventional manner

av noen ark av grovt papir impregnert med fenol-formaldehydplast, samt ett eller to overflatepapirer av finere kvalitet, impregnert f.eks. med melamin-formaldehydharpiks. of a few sheets of coarse paper impregnated with phenol-formaldehyde plastic, as well as one or two surface papers of finer quality, impregnated e.g. with melamine-formaldehyde resin.

Uansett om det dekorative overflateskikt utgjøres av et enkelt ark, f.eks. av papir eller tøy impregnert med en herdeplast, eller av et herdeplastlaminat, er det hensiktsmessig å anvende samme type av herdeplaster i begge tilfeller. Hensiktsmessig anvender man da minst én av de følgende herdeplaster: melamin-formaldehydplast, fenol-formaldehydplast, urea-formaldehydplast, polyesterplast, et derivat av noen av disse plaster, Regardless of whether the decorative surface layer consists of a single sheet, e.g. of paper or cloth impregnated with a thermosetting plastic, or of a thermosetting plastic laminate, it is appropriate to use the same type of thermosetting plastic in both cases. Appropriately, at least one of the following curing plastics is then used: melamine-formaldehyde plastic, phenol-formaldehyde plastic, urea-formaldehyde plastic, polyester plastic, a derivative of any of these plastics,

en kresol-formaldehydplast, en melamin-urea-formaldehydplast eller en fenol-urea-formaldehydplast. a cresol-formaldehyde plastic, a melamine-urea-formaldehyde plastic or a phenol-urea-formaldehyde plastic.

Den varmtsmeltende elastomer som ifølge oppfinnelsen benyttes til å forankre det dekorative overflateskikt til den termoplastiske bærer, er fortrinnsvis etylen-vinylacetatbasert, polyamidbasert eller består av en polymer av styren-butadiengummi (SBR). Andre elastomere med lignende egenskaper kan eventuelt også anvendes. The hot-melting elastomer which according to the invention is used to anchor the decorative surface layer to the thermoplastic carrier is preferably ethylene-vinyl acetate-based, polyamide-based or consists of a polymer of styrene-butadiene rubber (SBR). Other elastomers with similar properties can optionally also be used.

Ved oppfinnelsen kan det fremstilles et plastprodukt ved at et dekorativt overflateskikt av trefinér, metall eller et herdeplastholdig skikt som på sin ene side er forsynt med et skikt av varmtsmeltende elastomer, ved elastomerens hjelp sammenføyes med en bærer av termoplast i forbindelse med eller straks etter formningen av bæreren, hvorunder denne stadig er varm. With the invention, a plastic product can be produced by joining a decorative surface layer of wood veneer, metal or a layer containing thermosetting plastic, which is provided with a layer of hot-melting elastomer on one side, with the help of the elastomer to a carrier of thermoplastic in connection with or immediately after forming of the carrier, under which this is still hot.

I den forbindelse blir varmen i bæreren utnyttet til å varme opp elastomeren, slik at denne blir klebrig og kan virke som sammenføyende skikt mellom det dekorative overflateskikt og bæreren. Normalt vil der således ikke behøves noen tilførsel av ekstra varme for å gjøre elastomeren klebrig. Dette er av største betydning fra et.håndteringsmessig og økonomisk synspunkt. Driftssikkerheten blir også meget høy. In this connection, the heat in the carrier is utilized to heat up the elastomer, so that it becomes sticky and can act as a joining layer between the decorative surface layer and the carrier. Normally, no additional heat will be needed to make the elastomer sticky. This is of the greatest importance from a handling and economic point of view. Operational reliability is also very high.

Det dekorative overflateskikt kan således på sin bakside belegges med varmtsmeltende elastomer som får kjølne etter påfø-ringen. The decorative surface layer can thus be coated on its backside with hot-melting elastomer which is allowed to cool after application.

Elastomeren blir siden ikke skikkelig klebrig innen den igjen oppvarmes til ca. 140-240°C. Smeltetemperaturen innen dette interval avhenger selvsagt av hvilken elastomer man benytter. En etylen-vinylacetatbasert elastomer har således vanligvis et smeltepunkt på 140-220°C, mens en polyamidbasert elastomer vanligvis har et smeltepunkt på 180-260°C. The elastomer then does not become really sticky before it is heated again to approx. 140-240°C. The melting temperature within this interval obviously depends on which elastomer is used. An ethylene-vinyl acetate-based elastomer thus usually has a melting point of 140-220°C, while a polyamide-based elastomer usually has a melting point of 180-260°C.

Det med elastomer belagte dekorative overflateskikt kan fremstilles rasjonelt på en større fabrikk og så distribueres The elastomer-coated decorative surface layer can be manufactured rationally in a larger factory and then distributed

til andre fabrikker, hvor det ferdige plastprodukt fremstilles i tilknytning til produksjonen av den termoplastiske bærer. to other factories, where the finished plastic product is manufactured in connection with the production of the thermoplastic carrier.

Er det plastprodukt som fremstilles en langstrakt gjenstand som f.eks. en skapluke, en dør, en gerikt, en gulvlist eller en dekklist, er det særlig gunstig å fremstille den termoplastiske bærer kontinuerlig ved ekstrudering, hvorunder en kontinuerlig bane av dekorativt overflateskikt som på sin ene side er belagt med en varmtsmeltende elastomer, med sin elastomerbelagte side bringes til å hefte til den ekstruderte bærer mens denne stadig er varm etter formningen. Det dekorative overflateskikt blir da anbragt mot den ekstruderte bærer etter at denne har forlatt formningsdysen, men innen den har passert et konvensjonelt kalibreringskammer, hvor bærerens form finjusteres. Is the plastic product being manufactured an elongated object such as e.g. a cupboard door, a door, a rail, a skirting board or a decking board, it is particularly advantageous to produce the thermoplastic carrier continuously by extrusion, during which a continuous web of decorative surface layer which is coated on one side with a hot-melting elastomer, with its elastomer-coated side is brought to adhere to the extruded support while this is still hot after forming. The decorative surface layer is then placed against the extruded carrier after it has left the forming die, but before it has passed a conventional calibration chamber, where the shape of the carrier is fine-tuned.

En meget stor fordel ved den fremgangsmåte i henhold til oppfinnelsen hvor bæreren ekstruderes og siden sammenføyes med en kontinuerlig bane av dekorativt overflateskikt, består i at ekstruderingsmaskinen vanligvis ikke behøver å forandres i det hele tatt. Dessuten blir produksjonen selvsagt særdeles rasjonell. A very big advantage of the method according to the invention where the carrier is extruded and then joined with a continuous web of decorative surface layer is that the extrusion machine usually does not need to be changed at all. In addition, production will of course be extremely rational.

Med oppfinnelsen er det oppnådd en meget gunstig mulighet With the invention, a very favorable opportunity has been achieved

for å gi plastproduktene en dekorativ overflate. to give the plastic products a decorative surface.

I et formverktøy resp. i en form som anvendes ved formsprøyt-ning eller støpning av den termoplastiske bærer, blir der før formverktøyet resp. formen fylles med plastmateriale, anbragt en eller flere biter av et dekorativt overflateskikt-materiale ensidig belagt med varmesmeltende elastomer, hvorved disse biter blir fast sammenføyet mot bæreren som dannes ved fyllingen av formverktøyet resp. formen. In a form tool or in a mold that is used for injection molding or casting of the thermoplastic carrier, before the mold tool or the mold is filled with plastic material, placed one or more pieces of a decorative surface layer material coated on one side with heat-melting elastomer, whereby these pieces are firmly joined to the carrier which is formed by the filling of the mold tool or the shape.

Oppfinnelsen vil i det følgende bli belyst nærmere under hen-visning til tegningen, hvis to figurer skjematisk viser hver sin utførelsesform for en anordning for gjennomføring av oppfinnelsen, hvor en termoplastisk bærer fremstilles kontinuerlig ved ekstrudering og siden sammenføyes med en kontinuerlig bane av dekorativt herdeplastlaminat som på sin bakside er forsynt med en varmtsmeltende elastomer. In the following, the invention will be explained in more detail with reference to the drawing, whose two figures schematically each show a different embodiment of a device for carrying out the invention, where a thermoplastic carrier is produced continuously by extrusion and then joined with a continuous web of decorative thermoset laminate which on its back is provided with a hot-melting elastomer.

Fig. 1 viser i den forbindelse hvorledes herdeplastlaminatet belegges med varmtsmeltende elastomer i tilslutning til sammen-føyningen med den termoplastiske bærer, og Fig. 1 shows in this connection how the thermosetting plastic laminate is coated with hot-melting elastomer in connection with the joining with the thermoplastic carrier, and

fig. 2 viser hvorledes et herdeplastlaminat som allerede er belagt med varmtsmeltende elastomer, sammenføyes med den termoplastiske bærer. fig. 2 shows how a thermoplastic laminate which has already been coated with hot-melting elastomer is joined to the thermoplastic carrier.

Ved utførelsen på fig. 1 blir en bærer 7, f.eks. av polyvinylklorid, ekstrudert med en ekstruderingsmaskin 1. Et herdeplastlaminat 4 i rullform blir i en applikator 6 belagt på In the embodiment in fig. 1 becomes a carrier 7, e.g. of polyvinyl chloride, extruded with an extrusion machine 1. A thermosetting plastic laminate 4 in roll form is coated in an applicator 6 on

sin bakside.med en varmtsmeltende elastomer, som f.eks. kan være etylen-vinylacetatbasert og ha et smeltepunkt på ca. 180-210°C. Laminatet kan bl.a. utgjøres av tre papirark impregnert med melamin-formaldehydplast og sammenlaminert i en kontinuerlig presse. its back.with a hot-melting elastomer, such as e.g. can be ethylene-vinyl acetate-based and have a melting point of approx. 180-210°C. The laminate can i.a. consists of three sheets of paper impregnated with melamine-formaldehyde plastic and laminated together in a continuous press.

Laminatet 4 med elastomerbelegg blir ført over føringsvalser The laminate 4 with elastomer coating is guided over guide rollers

5 mot en konvensjonelt kalibreringskammer 2. Dette kammer 5 against a conventional calibration chamber 2. This chamber

2 har normalt bare til oppgave å finjustere bærerens form. 2 normally only has the task of fine-tuning the carrier's shape.

I kalibreringskammeret 2 blir den elastomerbelagte side av laminatet nå i samsvar med oppfinnelsen sammenføyet med bæreren, som i dette tilfelle hadde en temperatur av 160-190°C. Bærerens temperatur var tilstrekkelig til å gjøre elastomeren klebrig. In the calibration chamber 2, the elastomer-coated side of the laminate is now in accordance with the invention joined with the carrier, which in this case had a temperature of 160-190°C. The temperature of the carrier was sufficient to make the elastomer tacky.

Sammenføyningen av laminatet og bæreren lettes av det overtrykk eller vakuum som hersker i kalibreringskammeret 2. The joining of the laminate and the carrier is facilitated by the overpressure or vacuum that prevails in the calibration chamber 2.

Etter at laminatet 4 og bæreren 5 er føyet sammen til det ønskede plastprodukt i kalibreringskammeret 2, blir produktet avkjølet i en etterfølgende kjøler 3, vanligvis en vannkjøler. Deretter kappes produktet til ønskede lengder, noe som imidlertid ikke er vist på figuren. After the laminate 4 and the carrier 5 have been joined to the desired plastic product in the calibration chamber 2, the product is cooled in a subsequent cooler 3, usually a water cooler. The product is then cut to the desired lengths, which is not shown in the figure, however.

Henvisningsbetegnelsene på fig. 2 gjelder samme detaljer som på fig. 1. Herdeplastmaterialet 4 er som nevnt allerede belagt med en varmtsmeltende elastomer på baksiden, så der i denne modifiserte prosess ikke inngår noen applikator 6. For-øvrig stemmer metoden ifølge fig. 2 helt overens med den ifølge fig. 1. The reference designations on fig. 2 applies to the same details as in fig. 1. As mentioned, the thermosetting plastic material 4 is already coated with a hot-melting elastomer on the back, so in this modified process no applicator 6 is included. Otherwise, the method according to fig. 2 completely agree with the one according to fig. 1.

Claims (9)

1. Fremgangsmåte til fremstilling av et langstrakt plastprodukt som f.eks. en gerikt, en gulvlist eller en dekklist, omfattende en bærer av termoplast som i det minste på sin ene side er forsynt med et dekorativt overflateskikt, karakterisert ved at den termoplastiske bærer fremstilles kontinuerlig ved strengsprøyting og deretter mens den stadig er varm, innmates i et kalibreringskammer hvor der hersker overtrykk eller vakuum, og hvor bærerens form finjusteres, at en kontinuerlig bane av dekorativt overflateskikt av trefinér, metall eller et herdet plastholdig skikt ensidig belagt med en varmesmeltende elastomer, innmates i kalibreringskammeret, og at det dekorative overflateskikt bringes til ved-heftning med bæreren i kalibreringskammeret ved hjelp av det overtrykk eller vakuum som hersker der, og elastomerskiktet, som i det minste delvis smelter under innvirkning av varme fra den fremdeles varme bærer.1. Method for producing an elongated plastic product such as e.g. a strip, a floor skirting or a cover skirting, comprising a thermoplastic carrier that is provided with a decorative surface layer on at least one side, characterized in that the thermoplastic carrier is produced continuously by string spraying and then, while it is still hot, fed into a calibration chamber where overpressure or vacuum prevails, and where the shape of the carrier is fine-tuned, that a continuous path of decorative surface layer of wood veneer, metal or a hardened plastic-containing layer coated on one side with a heat-melting elastomer, is fed into the calibration chamber, and that the decorative surface layer is brought to bonding with the carrier in the calibration chamber by means of the overpressure or vacuum that prevails there, and the elastomer layer, which at least partially melts under the influence of heat from the still hot carrier. 2. Fremgangsmåte som angitt i krav 1, karakterisert ved at bæreren fremstilles av vinylplast som eksempelvis polyvinylklorid; polystyren-akrylbutadienstyrenpolymer (ABS); polypropen eller polyeten.2. Method as stated in claim 1, characterized in that the carrier is made of vinyl plastic such as polyvinyl chloride; polystyrene-acrylic butadiene styrene polymer (ABS); polypropylene or polyethylene. 3. Fremgangsmåte som angitt i krav 1 eller 2, karakterisert ved at det dekorative overflate— skikt består av trefinér som er overflatebehandlet eller impregnert .3. Method as specified in claim 1 or 2, characterized in that the decorative surface layer consists of wood veneer that has been surface-treated or impregnated. 4. Fremgangsmåte som angitt i krav 1 eller 2, karakterisert ved at det dekorative overflateskikt utgjøres av messing, kobber eller aluminium.4. Method as specified in claim 1 or 2, characterized in that the decorative surface layer consists of brass, copper or aluminium. 5. Fremgangsmåte som angitt i krav 4, karakterisert ved at det dekorative overflateskikt av messing, kobber eller aluminium, har form av en tynn folie.5. Method as stated in claim 4, characterized in that the decorative surface layer of brass, copper or aluminium, has the form of a thin foil. 6. Fremgangsmåte som angitt i krav 1 eller 2, karakterisert ved at det dekorative overflate skikt består av et enkelt ark av papir eller tøy, impregnert med en herdeplast.6. Method as stated in claim 1 or 2, characterized in that the decorative surface layer consists of a single sheet of paper or cloth, impregnated with a thermosetting plastic. 7. Fremgangsmåte som angitt i krav 1 eller 2, karakterisert ved at det dekorative overflateskikt består av et herdeplastlaminat.7. Method as stated in claim 1 or 2, characterized in that the decorative surface layer consists of a thermosetting plastic laminate. 8. Fremgangsmåte som angitt i krav 6 eller 7, karakterisert ved at det dekorative overflateskikt inneholder minst én av herdeplastene melamin-formaldehydplast<*> fenol-formaldehydplast' urea-formaldehydplast? polyester plast; et derivat av noen av disse plaster; en kresol-formaldehydplast; en melamin-urea-formaldehydplast eller en fenol- urea-formaldehydplast.8. Method as specified in claim 6 or 7, characterized in that the decorative surface layer contains at least one of the curing plastics melamine-formaldehyde plastic<*> phenol-formaldehyde plastic' urea-formaldehyde plastic? polyester plastic; a derivative of any of these plasters; a cresol-formaldehyde plastic; a melamine-urea-formaldehyde plastic or a phenolic urea-formaldehyde plastic. 9. Fremgangsmåte som angitt i et av kravene 1-8, karakterisert ved at den varmesmeltende elastomer er fortrinnsvis etylen-vinylacetatbasert', polyamidbasert eller utgjøres av polymer av styren-butadiengummi (SBR).9. Method as stated in one of claims 1-8, characterized in that the heat-melting elastomer is preferably ethylene-vinyl acetate-based', polyamide-based or consists of a polymer of styrene-butadiene rubber (SBR).
NO813532A 1980-10-24 1981-10-20 PROCEDURE FOR THE MANUFACTURING OF AN EXTENSIVE PLASTIC PRODUCT. NO159780C (en)

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SE8007476 1980-10-24
SE8101107A SE451560B (en) 1980-10-24 1981-02-19 PROCEDURE FOR MANUFACTURING A LONG-TREATED PLASTIC PRODUCT PROVIDED WITH DECORATIVE LAYER

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FR2589393B1 (en) * 1985-11-05 1988-03-18 Charbonnages Ste Chimique COMPLEX LAMINATE MATERIAL AND MANUFACTURING METHOD THEREOF
JPH04101846A (en) * 1990-08-22 1992-04-03 Nippon Dekoratsukusu Kk Decorative laminated sheet
DE4101106A1 (en) * 1991-01-16 1992-07-23 Krauss Maffei Ag METHOD AND DEVICE FOR PRODUCING LAMINATED MOLDED PARTS
DE19530270A1 (en) * 1995-08-17 1997-02-20 Meeth Ernst Josef Process for the production of profile material for window and door production
CH693458A5 (en) * 1999-06-02 2003-08-15 Dfs Technology & Service Ag A window or door and to processes for its or their preparation.
AU2002360871A1 (en) * 2001-12-21 2003-07-09 Louis Granville Broeders Applying a decorative finish to metal surfaces
DE102006049913A1 (en) * 2006-10-18 2008-04-24 Schmuhl Faserverbundtechnik Gmbh & Co. Kg Surface finished shaped articles, e.g. automobile bodywork components, have elastic intermediate layer between thermoplastic film and plastics support to ensure smooth surface
WO2020136098A2 (en) * 2018-12-24 2020-07-02 Dsm Ip Assets B.V. Method for producing a multilayer panel provided with a water impervious coating

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GB2087307A (en) 1982-05-26
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