CA2062789A1 - Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained - Google Patents
Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtainedInfo
- Publication number
- CA2062789A1 CA2062789A1 CA002062789A CA2062789A CA2062789A1 CA 2062789 A1 CA2062789 A1 CA 2062789A1 CA 002062789 A CA002062789 A CA 002062789A CA 2062789 A CA2062789 A CA 2062789A CA 2062789 A1 CA2062789 A1 CA 2062789A1
- Authority
- CA
- Canada
- Prior art keywords
- mouldings
- pressure
- particle
- basic material
- extrusion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000465 moulding Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000009413 insulation Methods 0.000 title 1
- 238000004806 packaging method and process Methods 0.000 title 1
- 239000000463 material Substances 0.000 abstract 5
- 238000001125 extrusion Methods 0.000 abstract 4
- 239000010419 fine particle Substances 0.000 abstract 3
- 229920002472 Starch Polymers 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 235000019698 starch Nutrition 0.000 abstract 2
- 239000008107 starch Substances 0.000 abstract 2
- 229920001222 biopolymer Polymers 0.000 abstract 1
- 239000002657 fibrous material Substances 0.000 abstract 1
- 238000012545 processing Methods 0.000 abstract 1
- 230000002269 spontaneous effect Effects 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
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
- B27N3/08—Moulding or pressing
- B27N3/28—Moulding or pressing characterised by using extrusion presses
-
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
-
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
-
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- 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
- B29B7/82—Heating or cooling
-
- 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
- B29B7/92—Wood chips or wood 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249959—Void-containing component is wood or paper
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249976—Voids specified as closed
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249976—Voids specified as closed
- Y10T428/249977—Specified thickness of void-containing component [absolute or relative], numerical cell dimension or density
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
Abstract
In a process for producing mouldings, in particular particle boards, at least one binding agent is mixed with a least one fine-particle basic material extruded at high temperature and pressure. The basic material has, or is brought to, a total content of 6 to 25 wt.%. It is extruded, together with at least one biopolymer, preferably a binding agent containing starch which can be con-vented to molten and/or gel form at least at the extrusion temperature and pressure, and the fine-particle material. Immediately after extrusion, the pressure is relieved by spontaneous expansion. The device for implementing the process comprises extrusion machines (2,20) for starting components in lump form. These machines have an extrusion nozzle (26,260) and an upstream pro-cessing region (204) where the basic material to be processed is partially pressure relieved by internal partial expansion. The ex-truded mouldings have a compact surface and a basic material in which particles of a fine-particle fibrous material are distribut-ed throughout a matrix containing numerous minute voids. The fraction of starch-containing matrix is equal to 5 to 85 wt.%.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA1392/89 | 1989-06-07 | ||
AT1392/89A AT393272B (en) | 1989-06-07 | 1989-06-07 | METHOD FOR PRODUCING EXTRUDED, DIRECTLY EXPANDED BIOPOLYMER PRODUCTS AND WOOD FIBER PANELS, PACKAGING AND INSULATING MATERIALS |
PCT/AT1990/000054 WO1990014935A1 (en) | 1989-06-07 | 1990-06-05 | Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2062789A1 true CA2062789A1 (en) | 1990-12-08 |
CA2062789C CA2062789C (en) | 2002-09-17 |
Family
ID=3512878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002062789A Expired - Fee Related CA2062789C (en) | 1989-06-07 | 1990-06-05 | Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained |
Country Status (22)
Country | Link |
---|---|
US (2) | US5916503A (en) |
EP (1) | EP0477203B1 (en) |
AT (2) | AT393272B (en) |
AU (1) | AU5745490A (en) |
BG (1) | BG60480B1 (en) |
CA (1) | CA2062789C (en) |
CZ (1) | CZ284602B6 (en) |
DD (1) | DD297931A5 (en) |
DE (1) | DE59002765D1 (en) |
DK (1) | DK0477203T3 (en) |
ES (1) | ES2044591T3 (en) |
FI (1) | FI93528C (en) |
GR (1) | GR1000952B (en) |
HU (1) | HU218006B (en) |
NO (1) | NO305890B1 (en) |
PL (1) | PL167417B1 (en) |
PT (1) | PT94291A (en) |
RU (1) | RU2105776C1 (en) |
SK (1) | SK280207B6 (en) |
WO (1) | WO1990014935A1 (en) |
YU (1) | YU47162B (en) |
ZA (1) | ZA904138B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6805823B2 (en) | 1995-04-14 | 2004-10-19 | Amylex Corporation | Resilient biodegradable packaging materials |
CN113518696A (en) * | 2019-03-06 | 2021-10-19 | 米其林集团总公司 | Output mechanism of mixer with tapered double screw |
Families Citing this family (99)
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AT393272B (en) * | 1989-06-07 | 1991-09-25 | Rettenbacher Markus Dipl Ing | METHOD FOR PRODUCING EXTRUDED, DIRECTLY EXPANDED BIOPOLYMER PRODUCTS AND WOOD FIBER PANELS, PACKAGING AND INSULATING MATERIALS |
AT398077B (en) * | 1991-04-02 | 1994-09-26 | Mundigler Norbert | Biodegradable low density packing, filling and cushioning material - comprising foamed mixt. of starch or plant material contg. starch, and thermoplastic elastomer |
ATE138601T1 (en) * | 1991-07-26 | 1996-06-15 | Mundigler Norbert Dipl Ing Dr | NEW MODELS |
AT398754B (en) * | 1991-08-13 | 1995-01-25 | Norbert Dipl Ing Dr Mundigler | Shaped body having a light structure, process for producing it and also use of an apparatus for carrying out the process |
DE4126756A1 (en) * | 1991-08-13 | 1993-02-18 | Schaaf Technologie Gmbh | METHOD FOR PRODUCING NEW PACKAGING MATERIALS OR INSULATING BUILDING MATERIALS AS A REPLACEMENT OF POLYSTYRENE CHIPS OR POLYSTYRENE BALLS OR POLYURETHANE FOAM PRODUCTS AND EXPANDED MATERIAL |
FR2681005A1 (en) * | 1991-09-09 | 1993-03-12 | Biofloc Snc | Filling elements made of biodegradable expanded material, and method of manufacturing these elements |
FR2684966A1 (en) * | 1991-12-12 | 1993-06-18 | Gomez Daniel | EXPANSE, RECYCLABLE VEGETABLE MATERIAL, ITS MANUFACTURING METHOD AND USE IN THE FIELDS OF SETTING, PROTECTION, PACKAGING, COATINGS AND SHEET MATERIALS. |
US5832448A (en) * | 1996-10-16 | 1998-11-03 | Health Hero Network | Multiple patient monitoring system for proactive health management |
US6101478A (en) * | 1997-04-30 | 2000-08-08 | Health Hero Network | Multi-user remote health monitoring system |
US7941326B2 (en) * | 2001-03-14 | 2011-05-10 | Health Hero Network, Inc. | Interactive patient communication development system for reporting on patient healthcare management |
US8626521B2 (en) * | 1997-11-21 | 2014-01-07 | Robert Bosch Healthcare Systems, Inc. | Public health surveillance system |
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CN113518696A (en) * | 2019-03-06 | 2021-10-19 | 米其林集团总公司 | Output mechanism of mixer with tapered double screw |
CN113518696B (en) * | 2019-03-06 | 2024-04-16 | 米其林集团总公司 | Output mechanism of mixer with tapered conical twin screw |
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