SE465865B - MAKE MANUFACTURING FIBER PLATES - Google Patents

MAKE MANUFACTURING FIBER PLATES

Info

Publication number
SE465865B
SE465865B SE8803095A SE8803095A SE465865B SE 465865 B SE465865 B SE 465865B SE 8803095 A SE8803095 A SE 8803095A SE 8803095 A SE8803095 A SE 8803095A SE 465865 B SE465865 B SE 465865B
Authority
SE
Sweden
Prior art keywords
paper
thermoplastic
heat
coated
chips
Prior art date
Application number
SE8803095A
Other languages
Swedish (sv)
Other versions
SE8803095L (en
SE8803095D0 (en
Inventor
E I Nilsson
Original Assignee
Tetra Pak Holdings Sa
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 Tetra Pak Holdings Sa filed Critical Tetra Pak Holdings Sa
Priority to SE8803095A priority Critical patent/SE465865B/en
Publication of SE8803095D0 publication Critical patent/SE8803095D0/en
Priority to ES198989116156T priority patent/ES2036771T3/en
Priority to EP89116156A priority patent/EP0358119B1/en
Priority to DE8989116156T priority patent/DE68903544T2/en
Priority to AT89116156T priority patent/ATE82541T1/en
Publication of SE8803095L publication Critical patent/SE8803095L/en
Publication of SE465865B publication Critical patent/SE465865B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/06—Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N5/00—Manufacture of non-flat articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Laminated Bodies (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention relates to a method for the manufacture of fibreboards from a paper material ground to a fleece, coated with a thermoplastic and where the thermoplastic constitutes the bonding agent in the fibreboard.

Description

465 865 Ett ytterligare ändamål med föreliggande uppfinning är att kunna tillverka billigare fiberplattor. A further object of the present invention is to be able to manufacture cheaper fiber boards.

Dessa och andra ändamål har enligt uppfinningen uppnåtts genom att den inledningsvis beskrivna metoden getts känne- tecknen att mellan vardera pressplåt och pappersflisen anbringas ett homogent skikt av ett pappersmaterial, som åtminstone på en sida är belagd med en termoplast samt att värme- och tryckbehandlingen avbryts innan fiberplattan blir homogen, med avsikt att erhålla ett poröst material med luft innesluten mellan pappersflisen.These and other objects have been achieved according to the invention in that the initially described method is characterized in that a homogeneous layer of a paper material is applied between each press plate and the paper chip, which is coated with a thermoplastic at least on one side and that the heat and pressure treatment is interrupted before the fiberboard becomes homogeneous, with the intention of obtaining a porous material with air trapped between the paper chips.

Det till flis malda pappersmaterialet utbredes mellan två plåtar varefter det utsätts för tryck och värme. Pappers- materialet skall på åtminstone en sida vara belagd med en termoplast som då materialet malts till flis blir jämnt fördelat i flismassan.The paper material ground into chips is spread between two plates, after which it is subjected to pressure and heat. The paper material must be coated on at least one side with a thermoplastic which, when the material is ground into chips, is evenly distributed in the chip mass.

Ett pappersmaterial av den ovan beskrivna typen finns att tillgå till ett lågt pris inom förpackningsindustrin, som tillverkar engångsförpackningar för vätskor av papper belagd med termoplast. Inom nämnda industri uppstår alltid ett visst spill, vid materialrullbyten, kantskärning, feltryck eller liknande. Detta spillmaterial har ringa användning inom andra områden och betingar därför ett betydligt lägre pris än vad träråvaran för konventionell spånplattillverkning gör.A paper material of the type described above is available at a low price in the packaging industry, which manufactures disposable packaging for liquids of paper coated with thermoplastic. In the said industry, a certain spill always occurs, during material roll changes, edge cutting, misprints or the like. This waste material has little use in other areas and therefore requires a significantly lower price than the wood raw material for conventional chipboard production does.

Då den utbredda fibermassan värms till en temperatur över termoplastens smältpunkt, d v s minst lO5°C smälter den plast som sitter fast på pappersspånen. I praktiken erfordras en temperatur på minst l70°C då överföringsförluster förekommer.When the widespread fibrous mass is heated to a temperature above the melting point of the thermoplastic, i.e. at least 105 ° C, the plastic stuck to the paper chips melts. In practice, a temperature of at least 170 ° C is required when transmission losses occur.

Om man samtidigt utsätter den utspridda fibermassan för en tryckpåkänning, erhåller man en fiberskiva där pappersflisen hålls samman av den smälta termoplasten. Trycket som skall anbringas anpassas för den typ av skiva som önskas i tillverkningen. För att erhålla en hårt sammanpressad fiberskiva som är huvudsakligen homogen och där i det närmaste all luften pressas ut, skall ett tryck av ca 700 kN/m2 under - ca. l min. per mm färdig skiva tillföras. En dylik el) 465 865 fiberplatta med en huvudsakligen slät yta kan med stor fördel användas som ersättning för trä eller spånplattor vid möbeltillverkning och vid tillverkning av inredningar. Med tillsats av färg i fibermassan kan man även få fiberplattor för mer dekorativ användning.If you simultaneously expose the scattered fibrous mass to a compressive stress, you get a fibreboard where the paper chips are held together by the molten thermoplastic. The pressure to be applied is adapted to the type of board desired in the manufacture. In order to obtain a tightly compressed fibreboard which is mainly homogeneous and where almost all the air is forced out, a pressure of approx. 700 kN / m2 below - approx. l min. per mm of finished board is added. Such an electrical) 465 865 fiberboard with a substantially smooth surface can with great advantage be used as a replacement for wood or chipboard in the manufacture of furniture and in the manufacture of furnishings. With the addition of paint in the fibrous mass, you can also get fibreboards for more decorative use.

Om man använder profilerade pressplattor kan man också tillverka plattor av den ovan beskrivna homogena typen, som kan ges en önskad tredimensionell form redan i tillverkningen.If profiled press plates are used, it is also possible to produce plates of the homogeneous type described above, which can be given a desired three-dimensional shape already in the manufacture.

Det är också möjligt att åter värma upp denna enligt uppfinningen tillverkade fiberplatta med termoplast som bindemedel och sedan under tryck och i formar ge den en önskad tredimensionell form.It is also possible to reheat this fiberboard manufactured according to the invention with thermoplastic as binder and then under pressure and in molds to give it a desired three-dimensional shape.

Vid tillverkning av porösare fiberplattor anbringas mellan vardera pressplatta och fibermassan ett homogent pappersskikt åtminstone på en sida belagd med termoplast. Denna termoplastyta lokaliseras närmast fibermassan och vid värmebehandlingen smälter också detta ytskikt och binder samman pappersflisen med de yttre homogena pappersskikten. För att erhålla en porösare platta, krävs en tryckbehandling vid ett avsevärt lägre tryck än motsvarande homogena platta. Fiber- massan innehåller då fortfarande en mängd luft, varför denna typ av platta kan få en stor användning inom byggindustrin som ett delvis isolerande byggmaterial, speciellt då i länder med träbrist.In the manufacture of more porous fibreboards, a homogeneous paper layer is applied between each press plate and the pulp at least on one side coated with thermoplastic. This thermoplastic surface is located closest to the fibrous mass and during the heat treatment this surface layer also melts and binds the paper chips together with the outer homogeneous paper layers. In order to obtain a more porous plate, a pressure treatment is required at a considerably lower pressure than the corresponding homogeneous plate. The fibrous pulp then still contains a lot of air, which is why this type of slab can have a large use in the construction industry as a partially insulating building material, especially in countries with a shortage of wood.

Som framgått av ovanstående beskrivning àstadkommes med föreliggande uppfinning en metod att på ett enklare och väsentligen billigare sätt, tillverka fiberplattor för olika användningsområden.As can be seen from the above description, the present invention provides a method of manufacturing fibreboards for various applications in a simpler and substantially cheaper manner.

Claims (1)

1. 465 865 PATENTKRAV l. Sätt att tillverka fiberplattor, genom att mellan tvâ plåtar fördela ett till flis malt pappersmaterial och därefter utsätta detta för tryck och värme. Nämnda pappersmaterial är åtminstone på en sida belagt med en termoplast, som vid värme- och tryckbehandlingen bringas att smälta och på så vis binder samman pappersflisen, k ä n n e t e c k n a t d ä r a v, att mellan vardera pressplât och pappersflisen anbringas ett homogent skikt av ett pappersmaterial, som åtminstone på en sida är belagd med en termoplast samt att värme- och tryckbehandlingen avbryts innan fiberplattan blir homogen, med avsikt att erhålla ett poröst material med luft innesluten mellan pappersflisen. nu1. 465 865 PATENT REQUIREMENTS 1. Method of making fibreboard, by distributing a paper material ground to two sheets between two sheets and then exposing it to pressure and heat. Said paper material is coated at least on one side with a thermoplastic, which in the heat and pressure treatment is caused to melt and thus binds together the paper chips, characterized in that a homogeneous layer of a paper material is applied between each press plate and the paper chip, which at least on one side is coated with a thermoplastic and that the heat and pressure treatment is interrupted before the fibreboard becomes homogeneous, with the intention of obtaining a porous material with air enclosed between the paper chips. now
SE8803095A 1988-09-05 1988-09-05 MAKE MANUFACTURING FIBER PLATES SE465865B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8803095A SE465865B (en) 1988-09-05 1988-09-05 MAKE MANUFACTURING FIBER PLATES
ES198989116156T ES2036771T3 (en) 1988-09-05 1989-09-01 A METHOD FOR THE MANUFACTURE OF FIBER BOARDS.
EP89116156A EP0358119B1 (en) 1988-09-05 1989-09-01 A method for the manufacture of fibreboards
DE8989116156T DE68903544T2 (en) 1988-09-05 1989-09-01 METHOD FOR THE PRODUCTION OF FIBERBOARDS.
AT89116156T ATE82541T1 (en) 1988-09-05 1989-09-01 METHOD OF MAKING FIBER PANELS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803095A SE465865B (en) 1988-09-05 1988-09-05 MAKE MANUFACTURING FIBER PLATES

Publications (3)

Publication Number Publication Date
SE8803095D0 SE8803095D0 (en) 1988-09-05
SE8803095L SE8803095L (en) 1990-03-06
SE465865B true SE465865B (en) 1991-11-11

Family

ID=20373210

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8803095A SE465865B (en) 1988-09-05 1988-09-05 MAKE MANUFACTURING FIBER PLATES

Country Status (5)

Country Link
EP (1) EP0358119B1 (en)
AT (1) ATE82541T1 (en)
DE (1) DE68903544T2 (en)
ES (1) ES2036771T3 (en)
SE (1) SE465865B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI921538A0 (en) * 1992-04-07 1992-04-07 Yhtyneet Paperitehtaat Oy Board materials.
DE4231097C2 (en) * 1992-09-17 1997-09-11 Evd Gmbh Process for producing a composite particle body and the body produced according to this
US5851281A (en) * 1997-06-17 1998-12-22 K & H, Inc. Waste material composites and method of manufacture
US6391456B1 (en) * 2000-08-08 2002-05-21 Engineering Mechanics Corporation Of Columbus Thermoplastic composite lumber having reinforcing laminate of unidirectional fibers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1151374B (en) * 1959-11-12 1963-07-11 Habra Werk Ott Kg Use of waste from papers coated with thermoplastic vinyl polymers
DE2258169A1 (en) * 1972-11-28 1974-05-30 Adolf Siebert Fa Formable parts of thermoplastic resin-coated fibres - by comminuting flat product eg resin-coated paper, and shaping by heating and pressing

Also Published As

Publication number Publication date
SE8803095L (en) 1990-03-06
SE8803095D0 (en) 1988-09-05
ES2036771T3 (en) 1993-06-01
EP0358119B1 (en) 1992-11-19
ATE82541T1 (en) 1992-12-15
DE68903544T2 (en) 1993-04-01
DE68903544D1 (en) 1992-12-24
EP0358119A1 (en) 1990-03-14

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