WO1993008974A1 - Articles faconnes et procedes de fabrication - Google Patents
Articles faconnes et procedes de fabrication Download PDFInfo
- Publication number
- WO1993008974A1 WO1993008974A1 PCT/GB1992/002068 GB9202068W WO9308974A1 WO 1993008974 A1 WO1993008974 A1 WO 1993008974A1 GB 9202068 W GB9202068 W GB 9202068W WO 9308974 A1 WO9308974 A1 WO 9308974A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filler
- thermoplastic material
- plastic
- melted
- particulate
- Prior art date
Links
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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
- B29B7/905—Fillers or reinforcements, e.g. fibres with means for pretreatment of the charges or fibres
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0082—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of a rise in temperature, e.g. caused by an exothermic reaction
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/20—Inserts
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00129—Extrudable mixtures
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Definitions
- This invention relates to shaped articles and methods for making them.
- the present invention provides novel methods for making shaped articles of plastics with particulate fillers and novel articles so produced.
- the invention comprises a method for making a shaped article of thermoplastic material with a
- thermoplastic material comprising the steps of heating the filler to a temperature at which the thermoplastic material is melted and mixing the filler with the plastic.
- the thermoplastic material may also be heate before the mixing step, and may indeed be melted befor the mixing step, but in any event it may be arrange that the heat content of the filler is sufficient t heat and/or maintain the thermoplastic material so tha it is melted throughout the mixing step, and such tha the mixed material cools slowly for best mechanica properties.
- the particulate filler may comprise sand and/o fly ash and/or any other material that will mix with th plastic and not be adversely affected at the necessar temperatures, and the thermoplastic material ma comprise waste plastic - there seem to be no limitations as to which kind of thermoplastic material can be use except that it seems desirable to exclude, at least as far as reasonably practical, plastics (such as polyvinyl chloride) that will degrade or char at the temperature used.
- plastics such as polyvinyl chloride
- the particulate filler can be heated in any suitable fashion, and a fluidized bed may be appropriate for some manufacturing operations, but simply heating the filler in a mixing container in an oven or with external heating elements is perfectly adequate.
- the plastics material can simply be added to the hot filler, in comminuted form if necessary.
- the filler should of course preferably alread be heated to a temperature at which it will melt th plastic (but not so hot as will char or otherwis adversely affect the plastic) although the mixture can be brought up to the melting temperature.
- the mixture When thoroughly mixed, as in a concrete mixer, the mixture, which is flowable, can be moulded into a desired shape, as by being placed in a brick or paving slab or like mould, together if desired with a surface texture material. Reinforcing members and/or fibres such as glass wool may also be incorporated.
- the mixed filler and thermoplastic material may, however, be extruded.
- the invention also comprises a shaped article made by a method as described.
- Figure 1 shows filler being heated in a mixing container
- Figure 2 shows the introduction of plastic into the container of Figure 1;
- Figure 3 shows a first step in a moulding operation
- Figure 4 shows a second stage of the moulding operation
- Figure 5 shows moulding with a surface texture material.
- the figures illustrate a method for making a shaped article of thermoplastic material with a particulate filler comprising the steps of heating a filler 11 (Figure 1) to a temperature at which the thermoplastic material 12 ( Figure 2) is melted and mixing the filler with the plastic.
- Figure 1 illustrates the filler 11, which may be of any suitable material, but for reasons of cost, sand and fly ash are preferred for many applications, being heated in a rotary mixing vessel 13.
- the arrows indicate heat being applied from below the vessel 13, but the heat could be applied in any desired manner, as by an electric immersion heater arrangement or even by a fluidised bed driven by hot air.
- the thermoplasti material 12 is added to the vessel 13 and the filler 1 and material 12 are mixed together.
- the material 1 could be added molten or preheated, but it may b arranged that the filler 11 is able to carry enough hea to melt the plastic.
- the heating may be continued o discontinued during the mixing.
- the ideal proportions will depend on th particle size of the filler and on the type or types o plastic involved. A smaller particle size will requir more plastic. If sand is used as the filler, th plastic may constitute a quarter to a third of th mixture by weight. Simple experiment will determine optimum proportions for any particular filler a plastic combination - the mixture will be about rig when the hot mix has the consistency of a dough.
- the press member 33 can carry a relief pattern decoration, and indeed the mould can be of any desir shape and complexity.
- the mould 32 may for example be a brick paving slab mould.
- the mould may be made of any material that wil not be affected by the temperatures involved, such fo example as concrete or refractory brick, or of aluminiu - the hot plastic may tend to stick to non-oxidis metal surfaces, and may in fact remove the oxide lay from copper, so that a second application of plast will stick to the clean copper.
- Firm adhesion unoxidised metal surfaces is, of course, advantageous producing metal-reinforced articles - a strong, rig shelf may, for example, be produced using a corrugat metal insert.
- Cladding materials may be incorporated as sho in Figure 5 by putting a layer, e.g. of stone chips in the mould before adding the mix.
- the filler may itself comprise a mixture, but may be desirable to mix only particulate materials th have similar thermal properties to avoid differenti cooling effects and the production of internal strains.
- the mixture is of such consistency that it c be extruded into rod, pipe, bar, beam or the li sections using a screw extruder.
- the articles which can be made according the invention constitute a very effective end u because they can be used in permanent constructions su as roadways and pavements, sewer linings, bricks, ro tiles and the like.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
On décrit un procédé de fabrication d'un article façonné à partir d'un matériau thermoplastique et d'une charge particulaire, qui consiste à chauffer la charge à une température à laquelle le matériau thermoplastique fond et à mélanger la charge avec le plastique.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9123817.0 | 1991-11-08 | ||
GB9123817A GB9123817D0 (en) | 1991-11-08 | 1991-11-08 | Shaped articles and methods for making them |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993008974A1 true WO1993008974A1 (fr) | 1993-05-13 |
Family
ID=10704346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1992/002068 WO1993008974A1 (fr) | 1991-11-08 | 1992-11-09 | Articles faconnes et procedes de fabrication |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2920092A (fr) |
GB (1) | GB9123817D0 (fr) |
WO (1) | WO1993008974A1 (fr) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996017807A1 (fr) * | 1994-11-28 | 1996-06-13 | Vesa Keskisarja | 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 |
DE4443988A1 (de) * | 1994-12-12 | 1996-06-13 | Hanichl Michelle | Formteil, hergestellt aus Kunststoff enthaltenden Komponenten und Verfahren zu seiner Herstellung |
FR2736579A1 (fr) * | 1995-07-11 | 1997-01-17 | Canuel Philippe | Procede et installation pour la fabrication de produits composites et produits en resultant |
WO2000061669A1 (fr) * | 1999-04-08 | 2000-10-19 | Donald Roy Crawley | Transformation de matiere plastique en produit composite |
WO2002016098A1 (fr) * | 2000-08-25 | 2002-02-28 | Pasell S.R.L. | Procede de production d'articles et articles obtenus selon ce procede |
WO2002000567A3 (fr) * | 2000-06-30 | 2002-07-11 | Michael Manes | Materiau, de meme que procede et dispositif appropries pour le produire |
WO2002090288A1 (fr) * | 2001-05-08 | 2002-11-14 | Shell Internationale Research Maatschappij B.V. | Compositions contenant des particules solides et un liant |
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 |
EP2428351A2 (fr) | 2010-09-09 | 2012-03-14 | Siegfried Kreft | Procédé et dispositifs de fabrication de pièces moulées et de granulés |
US20150094412A1 (en) * | 2013-09-27 | 2015-04-02 | Victor Manuel García Alarcón | Laterite and polymer construction brick and material and method of manufacturing same |
CN108751796A (zh) * | 2018-07-06 | 2018-11-06 | 四川建筑职业技术学院 | 一种利用城市污泥制备的复合建筑模板及其制备方法 |
CN110312612A (zh) * | 2016-12-16 | 2019-10-08 | 创新石科技公司 | 板坯的制造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2226287A1 (de) * | 1971-06-03 | 1972-12-14 | Joto Chem Co Ltd | Verfahren zum Herstellen geformter Produkte aus Gemischen von thermoplastischen Harzen und Füllstoffen |
DE2311797A1 (de) * | 1972-04-04 | 1973-10-18 | Bunzl & Biach Ag | Verfahren zur herstellung von festen gegenstaenden, belaegen, ueberzuegen od. dgl |
NL8200730A (nl) * | 1982-02-24 | 1983-09-16 | Hubertus Zandbergen | Bouwmateriaal uit kunststofafval. |
-
1991
- 1991-11-08 GB GB9123817A patent/GB9123817D0/en active Pending
-
1992
- 1992-11-09 AU AU29200/92A patent/AU2920092A/en not_active Abandoned
- 1992-11-09 WO PCT/GB1992/002068 patent/WO1993008974A1/fr active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2226287A1 (de) * | 1971-06-03 | 1972-12-14 | Joto Chem Co Ltd | Verfahren zum Herstellen geformter Produkte aus Gemischen von thermoplastischen Harzen und Füllstoffen |
DE2311797A1 (de) * | 1972-04-04 | 1973-10-18 | Bunzl & Biach Ag | Verfahren zur herstellung von festen gegenstaenden, belaegen, ueberzuegen od. dgl |
NL8200730A (nl) * | 1982-02-24 | 1983-09-16 | Hubertus Zandbergen | Bouwmateriaal uit kunststofafval. |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996017807A1 (fr) * | 1994-11-28 | 1996-06-13 | Vesa Keskisarja | 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 |
DE4443988A1 (de) * | 1994-12-12 | 1996-06-13 | Hanichl Michelle | Formteil, hergestellt aus Kunststoff enthaltenden Komponenten und Verfahren zu seiner Herstellung |
FR2736579A1 (fr) * | 1995-07-11 | 1997-01-17 | Canuel Philippe | Procede et installation pour la fabrication de produits composites et produits en resultant |
WO2000061669A1 (fr) * | 1999-04-08 | 2000-10-19 | Donald Roy Crawley | Transformation de matiere plastique en produit composite |
US7345107B2 (en) | 2000-06-30 | 2008-03-18 | Michael Manes | Material and method and device for producing the same |
WO2002000567A3 (fr) * | 2000-06-30 | 2002-07-11 | Michael Manes | Materiau, de meme que procede et dispositif appropries pour le produire |
WO2002016098A1 (fr) * | 2000-08-25 | 2002-02-28 | Pasell S.R.L. | Procede de production d'articles et articles obtenus selon ce procede |
WO2002090288A1 (fr) * | 2001-05-08 | 2002-11-14 | Shell Internationale Research Maatschappij B.V. | Compositions contenant des particules solides et un liant |
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 |
EP2428351A2 (fr) | 2010-09-09 | 2012-03-14 | Siegfried Kreft | Procédé et dispositifs de fabrication de pièces moulées et de granulés |
DE102010037441A1 (de) | 2010-09-09 | 2012-03-15 | Horn Dietmar | Verfahren und Vorrichtung zur Herstellung von Formteilen und Granulat |
US20150094412A1 (en) * | 2013-09-27 | 2015-04-02 | Victor Manuel García Alarcón | Laterite and polymer construction brick and material and method of manufacturing same |
CN110312612A (zh) * | 2016-12-16 | 2019-10-08 | 创新石科技公司 | 板坯的制造方法 |
CN110312612B (zh) * | 2016-12-16 | 2021-08-03 | 创新石科技公司 | 板坯的制造方法 |
CN108751796A (zh) * | 2018-07-06 | 2018-11-06 | 四川建筑职业技术学院 | 一种利用城市污泥制备的复合建筑模板及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
GB9123817D0 (en) | 1992-01-02 |
AU2920092A (en) | 1993-06-07 |
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