EP0798431B1 - Formkörper aus Reststoffen sowie deren Verwendung - Google Patents
Formkörper aus Reststoffen sowie deren Verwendung Download PDFInfo
- Publication number
- EP0798431B1 EP0798431B1 EP97104041A EP97104041A EP0798431B1 EP 0798431 B1 EP0798431 B1 EP 0798431B1 EP 97104041 A EP97104041 A EP 97104041A EP 97104041 A EP97104041 A EP 97104041A EP 0798431 B1 EP0798431 B1 EP 0798431B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- molded article
- article according
- residual materials
- grain size
- materials
- 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.)
- Expired - Lifetime
Links
- 239000002699 waste material Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 238000009416 shuttering Methods 0.000 claims abstract 2
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000012876 carrier material Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004848 polyfunctional curative Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims 5
- 238000003754 machining Methods 0.000 claims 2
- 238000000465 moulding Methods 0.000 abstract description 10
- 239000004567 concrete Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 1
- 229920005992 thermoplastic resin Polymers 0.000 abstract 1
- 238000009415 formwork Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229920001187 thermosetting polymer Polymers 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 239000004640 Melamine resin Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical class [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000103 Expandable microsphere Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/05—Forming boards or similar elements the form surface being of plastics
Definitions
- the invention relates to moldings from residues and their use as formwork panels for hydraulic Binder and as an insulation board.
- formwork In construction engineering, formwork is used to hold concrete or other hardening building materials until they have hardened and then removed.
- Formwork panels for concrete formwork generally consist of glued plywood. They are mounted in steel frames and used up to 40 times. After use, the concrete must come off the slab perfectly, which is usually done by using formwork oils. The concrete compressive strength of the slab should be approximately 80 kN / m 2 .
- the plate must show only a slight swelling compared to water, ie the water absorption must be low.
- the formwork panel must also be nailable and manageable with the usual lifting equipment and must have a very fine, smooth surface for exposed concrete. Formwork panels that are no longer usable are currently being incinerated at high costs.
- JP 6-254824 describes a process in which waste is made carriers soaked in thermosetting resin hardened condition to 5 to 20 mm pieces crushed, boiled with melamine resin and then for Plate to be pressed. These formwork panels are for equipped for single use and should therefore be used after Hardening of the hydraulic building materials in the ground remain.
- the invention is therefore based on the object Shaped body for use as formwork or thermal insulation board for multiple uses while avoiding the previously to provide mentioned disadvantages.
- Carriers such as paper and tissue made from natural and synthetic fibers with thermosetting resins soaked and cured by pressure and heat in the Condition to be transferred, used.
- these materials fall processing dusts, Sawing and trimming waste and unusable Objects such as plates, pipes, rods and pressed Molded parts and are crushed if necessary.
- thermosetting resins As thermosetting resins according to the invention Polyester resins, melamine resins, phenolic resins such as novolaks and resols, silicone resins, epoxy resins and their compatible mixtures used.
- crushed, soaked, not cured materials for the actual Usage are useless, the amount of required binder in the moldings reduced.
- The has the advantage that the manufacturing costs are reduced be and another waste of reuse is fed.
- crushed, soaked For example, materials can range from 2 to Have 40 mm.
- the Structure loosening and density reducing Additives are added.
- the structure of the Molded material loosening include through Heat treatment of expandable microspheres, hollow microspheres other type, fly ash, thermoplastic powder, Hollow glass balls and cellulose-based materials.
- additives before printing and Heat treatment the mixture preferably in an amount from 3 to 8% by weight, based on the total weight of the Shaped body, added.
- additives are preferably metal soaps, such as alkaline earth stearates or Zinc stearate.
- the molding according to the invention contains the molding according to the invention residues with a Glass transition temperature (Tg) of> 130 ° C.
- the moldings according to the invention can one or a top layer of impregnated carrier materials on both sides exhibit. These are materials made of glass, carbon, Plastic or pulp impregnated with resins, are applied to the moldings according to the invention.
- the starting materials mixed homogeneously and at Temperatures above 150 ° C, preferably at 165 to 185 ° C pressed in suitable tools.
- suitable tools Preferably done pressing in high-pressure presses (stack presses) a specific pressure of 10 to 60 bar.
- Suitable Tools are also simple shapes that consist of two sheets exist with or without spacers.
- the used molded article produced according to the invention can be recycled 100% become.
- the moldings according to the invention are also resistant to prolonged use in water and in frost. You own the required strength properties and are nailable. Their property profile is such that they replace wooden formwork panels and thus the Can limit wood consumption. Unlike when used there is no need for wooden panels for formwork purposes according to the invention the use of a formwork oil with which Wooden formwork panels are treated before they are used had to.
- the following table shows the properties of a molded body according to the invention for use as a formwork panel for hydraulic binders in comparison to a wooden formwork panel and the embodiment according to JP 6-254824.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Processing Of Solid Wastes (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Laminated Bodies (AREA)
Description
Claims (9)
- Formkörper, enthaltenda) Reststoffe aus der mechanischen Bearbeitung von mit duroplastischen Harzen getränkten und ausgehärteten Trägermaterialien,b) bis zu 15 Gew.%, bezogen auf das Gesamtgewicht des Formkörpers, duroplastische Harze und Härter undc) 10 bis 35 Gew.%, bezogen auf das Gesamtgewicht des Formkörpers, zerfaserte, unausgehärtete getränkte Materialien,
- Formkörper nach Anspruch 1, dadurch gekennzeichnet, daß 20 bis 30 Gew.% der Reststoffe eine Korngröße von 0,2 bis 0,5 mm aufweisen.
- Formkörper nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Formkörper dichteverringernde Füllstoffe enthält.
- Formkörper nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß Zusatzstoffe wie Metallseifen enthalten sind.
- Formkörper nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Reststoffe eine Glasumwandlungstemperatur von größer 130°C aufweisen.
- Formkörper nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß ein oder beidseitig eine Decklage aus getränktem Trägermaterial aufgebracht ist.
- Verwendung eines Formkörpers nach einem der Ansprüche 1 bis 4 als Schalplatte für hydraulische Bindemittel.
- Verwendung eines Formkörpers nach Anspruch 5 als Dämmplatte.
- Verfahren zur Herstellung eines Formkörpers nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß mana) Reststoffe aus der mechanischen Bearbeitung von mit duroplastischen Harzen getränkten und ausgehärteten Trägermaterialien,b) bis zu 15 Gew.%, bezogen auf das Gesamtgewicht des Formkörpers, feste duroplastische Harze und Härter undc) 10 bis 35 Gew.%, bezogen auf das Gesamtgewicht des Formkörpers, zerfaserte, unausgehärtete getränkte Materialien,
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19612558A DE19612558A1 (de) | 1996-03-29 | 1996-03-29 | Formkörper aus Reststoffen sowie deren Verwendung |
DE19612558 | 1996-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0798431A1 EP0798431A1 (de) | 1997-10-01 |
EP0798431B1 true EP0798431B1 (de) | 2000-11-15 |
Family
ID=7789863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97104041A Expired - Lifetime EP0798431B1 (de) | 1996-03-29 | 1997-03-11 | Formkörper aus Reststoffen sowie deren Verwendung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0798431B1 (de) |
AT (1) | ATE197622T1 (de) |
DE (2) | DE19612558A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004070139A1 (es) * | 2003-02-04 | 2004-08-19 | Sanchez Renasco Jesus | Pieza de encofrado para obtencion de cornisas y similares |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH672650A5 (de) * | 1986-03-05 | 1989-12-15 | Rolf Zollinger | |
DE3825900A1 (de) * | 1988-07-29 | 1990-02-01 | Werner Fehr | Schaltafel mit einer schalplatte aus kunststoff sowie verfahren zu deren herstellung |
DE4221070A1 (de) * | 1991-09-19 | 1993-12-23 | Hubertus Schmid | Terec-Combi-Kunststoffabfall-Holz-Halbholz-Recycling zur Herstellung von Recycling-Combi-Produkten aus der Terec-Werkstoff-Sicherung und -Anwendung in der Terec-Recycling-Technologie |
DE4229711A1 (de) * | 1992-09-05 | 1994-03-10 | Huels Troisdorf | Verfahren zur Herstellung von Phenolharz-Schichtstoffen und Formkörpern |
NL9300919A (nl) * | 1993-05-28 | 1994-12-16 | Terra Ijssel Bv | Werkwijze voor het verwerken van afvalstoffen. |
DE9308597U1 (de) * | 1993-06-09 | 1993-08-19 | Kreyenberg, Heinrich, Dipl.-Ing. Dr., 40885 Ratingen | Schalungsplatte |
DE9407005U1 (de) * | 1994-04-27 | 1994-07-07 | RÜTGERS Automotive AG, 45356 Essen | Masse zur Herstellung duroplastischer Formkörper |
-
1996
- 1996-03-29 DE DE19612558A patent/DE19612558A1/de not_active Ceased
-
1997
- 1997-03-11 EP EP97104041A patent/EP0798431B1/de not_active Expired - Lifetime
- 1997-03-11 DE DE59702623T patent/DE59702623D1/de not_active Expired - Fee Related
- 1997-03-11 AT AT97104041T patent/ATE197622T1/de not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004070139A1 (es) * | 2003-02-04 | 2004-08-19 | Sanchez Renasco Jesus | Pieza de encofrado para obtencion de cornisas y similares |
ES2222078A1 (es) * | 2003-02-04 | 2005-01-16 | Jose Maria Sanchez Reñasco | Pieza de encofrado para obtencion de cornisas y similares. |
Also Published As
Publication number | Publication date |
---|---|
EP0798431A1 (de) | 1997-10-01 |
DE59702623D1 (de) | 2000-12-21 |
DE19612558A1 (de) | 1997-10-02 |
ATE197622T1 (de) | 2000-12-15 |
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