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WO1996017807A1 - Procede de production d'une composition de remplissage a partir d'une matiere de remplissage chaude telle que des dechets et des matieres plastiques recyclables - Google Patents

Procede de production d'une composition de remplissage a partir d'une matiere de remplissage chaude telle que des dechets et des matieres plastiques recyclables Download PDF

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Publication number
WO1996017807A1
WO1996017807A1 PCT/FI1995/000649 FI9500649W WO9617807A1 WO 1996017807 A1 WO1996017807 A1 WO 1996017807A1 FI 9500649 W FI9500649 W FI 9500649W WO 9617807 A1 WO9617807 A1 WO 9617807A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastics
fillers
mass
compound
waste
Prior art date
Application number
PCT/FI1995/000649
Other languages
English (en)
Inventor
Vesa Keskisarja
Veikko JYLHÄ-OLLILA
Original Assignee
Vesa Keskisarja
Jylhae Ollila Veikko
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 Vesa Keskisarja, Jylhae Ollila Veikko filed Critical Vesa Keskisarja
Publication of WO1996017807A1 publication Critical patent/WO1996017807A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/022—Melting the material to be shaped
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/006—Waste materials as binder

Definitions

  • the present invention relates to a method and material with which it is possible to utilize industrially different unclassified waste and recycling plastics.
  • the mass is fabricated and formed either by moulds or directly through nozzles or can be rolled to products like sheets, balks, planks, panels, water flutes, pipes and other construction materials and different kinds of articles like implanting bowls, supports of traffic signs etc.
  • Miscellaneous plastics waste means here the waste plastics which has been generated in consequence of industrial, commercial and house hold activities and which is normally transported to dump. This far it has not been found any economically profitable
  • De-patent 3832743 covens a principle where a blend of 50% quartz-sand (0.063-0.25mm)and 50% (1 ,25-2mm)sand is blended with polymers. The blend is used for floor materials.
  • British patent 1300221 is based on the manufacturing of synthetical stone. The idea is that one puts different stones of unhomogenous size into mould. The blend is plastisized either by heating up in mould or in oven. With this method can be manufactured
  • Netherland patent 8200730 is using sand and for example so called styrox-waste.
  • Waste plastics (polypropylene-polystyrene and other polymers) of weigh content
  • sea sand which is heated up to 150 c temperature.
  • the hot sand and the polystyrene foam are blended.
  • the blended mass is mouldable. After cooling the moulded product is a light construction material.
  • Finnish patent 91249 covers a principle in which hot stone materials are blended with plastic particles. Plastic waste and stones are washed beforehand. The minerals and the plastics are hearted up in contact with water. The manufactured mass is further heated( with water involved) and possibly some filler-material (sand) is added. (
  • the sand material of size, under 3mm (the best size for the method) is heated up to temperature of 160-220 c.
  • Thermoplastics are added in 10-40% of the dryweight of sand material and the materials are blended. Stone materials of size under 3 mm are scattered in more until the mass is ready made. The mass will be pressed and rolled to products.
  • hot filler material deviates from the previous methods and materials. There is not used oven or heating in containers or in moulds in the hot filler method. Plastics are totally unclassified and may contain whatever existing plastic grades. The method is universal what it becomes to plastic grades.
  • Characterical for this invention are the facts presented in the characteristic part in chapter 1 of the requirement As filter can be used whatever substance only which specific heat is higher than plastic has. in principle the specific heat of material is directly proportional to material's effectiveness. For example steel and ceramic waste and glass are useable. Stone materials are however most easy and cheap filler and heating materials.
  • the HOT FILLER MATERIAL METHOD is best suitable for particlesize over 5mm.
  • the highest suitable particle size is not needed to be defined due to the fact that in case the particle size is larger the performance of the method is better. Particle size has to be big enough so that much enough heat energy can be transferred in particles When sand-type under 5mm particle size is used It will form disadvantage substance which will weaken the material. Whether particle size is under 3mm the adhesion will weaken and when using powder type substances like gypsum the miscellaneous waste plastics won't bind ( or stick) the material much enough. in deviation to the Netheriand patent the temperature limits are 300-500 C when in above mentioned patent limits are 125-250C. The heat durability
  • the thickness depends on used plastics.
  • the size of plastics particles is not
  • Filler materials e.g. stones are heated up so that the heat amount is capable to
  • the specific gravity of the end product is naturally adjusted with the proportion of filler and plastic.
  • the heated fillers are fed by screw or by some other device into mixing unit.
  • plastic crush is fed into the same unit too. The melting starts immediately when the hot filler material and plastic crush contact.
  • the plastic will encircle the filler material immediately. With light mixing is obtained homogenous mass into which plastic can be added during mixing. Two different methods are able to be used in feeding. Either one mixing stage (the right blend is directly obtained) or adding method ( fine crushed plastic is fed to mixing unit). Hot stones in the above mentioned temperatures are not needed to be added. Plastics are needed to be added only in case the melting temperature of base raw material is too high. For example the waste plastics
  • Hot filler materials and malting plastic is kept under unoxygen or nitrogen circumstances so that plastics won't bum and become spoiled as well for example PVC can't bum and format toxic fumes or gas. Normally It is sufficient that the mixing unit is fulfilled with plastic and filler and therefore the oxygen content is low. The plastic which is still unmelted will prevent air to leak into mixer and on the other hand the ready made mass won't absorb oxygen. The construction of the mixer is almost enclosed therefore no burning will occur.
  • the heating of fillers is normally made for example in stone drums used by asphalt industry From tecnnical point of view it's important that the heat energy of fillers is optimized in relation to plastics used. Whether the energy control accurancy of the stone drum is not enough there can be used intermediate container in which the heat energy is corrected by residence time. These matters can be determined only by making test runs by each blend , No calculatory basics for miscellaneous mass for determining the needed energy can be defined.
  • the advantage of the hot filler material method is that industrial process is easily reached and different kinds of plastics and filler materials can be flexiblely used . It's easy to build different moulding and laminateing lines following the equipment producing plastical mass.
  • Blending of stones and plastic is difficult in non-plastic state because of big differences in specific weight. Transferring of the mass from ovens or from heated containers into moulds or to laminateing is rather expensive. In the hot filler method the ready made mass is possible to transfer directly for example to slipforming operation casting, air has been pressed out of the mass already in the stage of
  • An important advantage of the method is that the plastisizing degree of the mass is possible to be determined according to the temperature of fillers and by possibly preheating.
  • Thin film- type flakes will melt in some seconds when in contact with stones. Melting will slow down after the plastic is encircleing the filler. It is possible to keep the mass in plastical form without specific insulation ca. 15 minutes. Forming of the end product has to be made within that time.
  • the plastisizing degree of the mass is triad to be kept rattier low so that the temperature of the plastic won't rise too much.
  • the plastisizing degree of 70% due to the fact that they contain over 70% polyethylene plastics which can be plastisized in ca. 150C temperature.
  • An example is stone plastic balk ( 5 ⁇ 5 cm) made with this method.
  • the raw material is community recycling plastic which contains 70% plastics which are possible to be plastisized under 180C. Normal round shape miscellaneous gravel with specific weight 2.5 kg/m is heated to 400C. Stone material and plastic crush (60 C ) is evenly fed into mixer unit which is of screw-,peg- or blade type.
  • Plastics and stones ire blended 30 seconds in cone type mixer and the mass is pressed with hydraulic device or with screw through nozzle into sliding mould which is rolled by the same,
  • moulds can be filled through nozzle by taking the mass directly from pressurized mixer unit or it is possible to fill moulds which will be pressed afterwards.
  • the used practice depends on product.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Procédé selon lequel on produit une masse malléable à partir de matières de remplissage chaudes telles que la roche, des compositions métalliques et céramiques et des matières plastiques non triées, cette masse pouvant être transformée en matériaux de construction et en objets. Au cours du traitement, la chaleur provenant des matières de remplissage fait fondre immédiatement les matières plastiques sans qu'il soit nécessaire d'utiliser une source de chaleur externe. Selon ce procédé, les étapes successives de concentration de la composition et de la masse sont simples et peu coûteuses, puisqu'il est possible, pour fabriquer ladite masse à la bonne température, de n'utiliser que des matières de remplissage déjà existantes, dont la température fait fondre rapidement les matières plastiques. La composition peut être directement introduite par la buse dans la zone de coulée directe en lingotière, selon le produit. Ladite composition est fabriquée en système fermé, de sorte que les matières plastiques fondues ne brûlent pas et ne libèrent pas de gas toxiques. Ce procédé permet d'obtenir une composition solide et durable qui, après solidification, peut remplacer tant le béton que les produits en bois.
PCT/FI1995/000649 1994-11-28 1995-11-23 Procede de production d'une composition de remplissage a partir d'une matiere de remplissage chaude telle que des dechets et des matieres plastiques recyclables WO1996017807A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI945570A FI95794C (fi) 1994-11-28 1994-11-28 Kuumatäytemateriaalimenetelmä sekalaisille jäte- ja keräysmuoveille täytemateriaalimassan valmistamiseksi
FI945570 1994-11-28

Publications (1)

Publication Number Publication Date
WO1996017807A1 true WO1996017807A1 (fr) 1996-06-13

Family

ID=8541879

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1995/000649 WO1996017807A1 (fr) 1994-11-28 1995-11-23 Procede de production d'une composition de remplissage a partir d'une matiere de remplissage chaude telle que des dechets et des matieres plastiques recyclables

Country Status (2)

Country Link
FI (1) FI95794C (fr)
WO (1) WO1996017807A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000061669A1 (fr) * 1999-04-08 2000-10-19 Donald Roy Crawley Transformation de matiere plastique en produit composite
WO2002000567A3 (fr) * 2000-06-30 2002-07-11 Michael Manes Materiau, de meme que procede et dispositif appropries pour le produire
EP1354681A1 (fr) * 2002-04-15 2003-10-22 Bobo Holding B.V. Produit moulé comprenant un composant thermoplastique et une charge particulaire et son procédé de fabrication

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993008974A1 (fr) * 1991-11-08 1993-05-13 Alun Roy Williams Articles faconnes et procedes de fabrication
FI91249B (fi) * 1993-05-31 1994-02-28 Matti Toivola Menetelmä rakennusmateriaalin valmistamiseksi lajittelemattoman kestomuovijätteen ja mineraalin sekoituksesta

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993008974A1 (fr) * 1991-11-08 1993-05-13 Alun Roy Williams Articles faconnes et procedes de fabrication
FI91249B (fi) * 1993-05-31 1994-02-28 Matti Toivola Menetelmä rakennusmateriaalin valmistamiseksi lajittelemattoman kestomuovijätteen ja mineraalin sekoituksesta

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000061669A1 (fr) * 1999-04-08 2000-10-19 Donald Roy Crawley Transformation de matiere plastique en produit composite
WO2002000567A3 (fr) * 2000-06-30 2002-07-11 Michael Manes Materiau, de meme que procede et dispositif appropries pour le produire
US7345107B2 (en) 2000-06-30 2008-03-18 Michael Manes Material and method and device for producing the same
EP1354681A1 (fr) * 2002-04-15 2003-10-22 Bobo Holding B.V. Produit moulé comprenant un composant thermoplastique et une charge particulaire et son procédé de fabrication

Also Published As

Publication number Publication date
FI95794B (fi) 1995-12-15
FI945570A0 (fi) 1994-11-28
FI95794C (fi) 1996-12-30

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