DE9201498U1 - Lightweight aggregate for plasters, especially base plasters with low segregation tendency based on expanded polystyrene - Google Patents
Lightweight aggregate for plasters, especially base plasters with low segregation tendency based on expanded polystyreneInfo
- Publication number
- DE9201498U1 DE9201498U1 DE9201498U DE9201498U DE9201498U1 DE 9201498 U1 DE9201498 U1 DE 9201498U1 DE 9201498 U DE9201498 U DE 9201498U DE 9201498 U DE9201498 U DE 9201498U DE 9201498 U1 DE9201498 U1 DE 9201498U1
- Authority
- DE
- Germany
- Prior art keywords
- plasters
- lightweight aggregate
- polystyrene
- expanded polystyrene
- base
- 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
- 239000004794 expanded polystyrene Substances 0.000 title description 7
- 238000005204 segregation Methods 0.000 title 1
- 239000004793 Polystyrene Substances 0.000 claims description 13
- 229920002223 polystyrene Polymers 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims 1
- 238000003801 milling Methods 0.000 claims 1
- 239000005022 packaging material Substances 0.000 claims 1
- 239000011505 plaster Substances 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/08—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons
- C04B16/087—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons shredded
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Description
Die Erfindung betrifft einen Leichtzuschlagstoff für Putze, insbesondere Grundputze mit geringer Entmischungsneigung auf der Basis von expandiertem Polystyrol.The invention relates to a lightweight aggregate for plasters, in particular base plasters with a low tendency to segregate based on expanded polystyrene.
Expandiertes Polystyrol, das beispielsweise aus runden, glatten Polystyrolkügelchen besteht, ist als Leichtzuschlagstoff für Putze, insbesondere für Grundputze, dem Stand der Technik bekannt.Expanded polystyrene, which consists, for example, of round, smooth polystyrene beads, is known in the state of the art as a lightweight aggregate for plasters, in particular for base plasters.
Der Nachteil dieses bekannten Leichtzuschlagstoffs besteht insbesondere darin, daß er eine Entmischungsneigung gegenüber dem Putz, insbesondere dem Grundputz zeigt; der Fachmann weiß, daß eine solche Entmischungsneigung sehr unerwünschte, praktische Folgen hat.The disadvantage of this known lightweight aggregate is that it has a tendency to separate from the plaster, especially the base plaster; the expert knows that such a tendency to separate has very undesirable practical consequences.
Demgegenüber liegt vorliegender Erfindung die Aufgabe zugrunde, einen solchen Leichtzuschlagstoff für Putze auf der Basis von expandiertem Polystyrol zu schaffen, der gegenüber dem Putz, insbesondere dem Grundputz eine sprunghaft geringere Entmischungsneigung zeigt.In contrast, the present invention is based on the object of creating such a lightweight aggregate for plasters based on expanded polystyrene, which shows a significantly lower tendency to segregate than the plaster, in particular the base plaster.
Ferner liegt vorliegender Erfindung die Aufgabe zugrunde, einen solchen Leichtzuschlagstoff für Putze, insbesondere für Grundputze zu schaffen, der insbesondere auch zur sinnvollen Wiederverwendung von recyclisiertem, expandiertem Polystyrol führt.Furthermore, the present invention is based on the object of creating such a lightweight aggregate for plasters, in particular for base plasters, which in particular also leads to the sensible reuse of recycled, expanded polystyrene.
Damit wird gemäß vorliegender Erfindung beispielsweise die sogenannte Verpackungsverordnung und das Wiederverwendungsgebot unterstützt.According to the present invention, this supports, for example, the so-called packaging ordinance and the reuse requirement.
Zum Stand der Technik ist also festzuhalten, daß der Einsatz von Polystyrolperlen in Außenputzen zur Erhöhung der Ergiebigkeit, Verbesserung der Verarbeitbarkeit und Verringerung des Maschinenverschleißes, ferner zur Reduzierung der Trockenrohdichte, dem Stand der Technik bekannt ist.Regarding the state of the art, it should be noted that the use of polystyrene beads in exterior plasters to increase the yield, improve workability and reduce machine wear, as well as to reduce the dry bulk density, is known in the state of the art.
In der Regel werden die Polystyrol-Partikel, beispielsweise die sogenannten EPS-Perlen durch Expandieren hergestellt und weisen in der Regel eine glatte und runde Oberfläche auf. Insbesondere bei diesen glatten Polystyrol-Perlen ist die Haftung der Bindemittel, Füller oder Sande erschwert.As a rule, the polystyrene particles, for example the so-called EPS beads, are produced by expanding and usually have a smooth and round surface. The adhesion of the binding agents, fillers or sands is particularly difficult with these smooth polystyrene beads.
Demgegenüber schafft die vorliegende Erfindung einen Leichtzuschlagstoff auf Polystyrol-Basis mit rauher Oberfläche, der sich dadurch auszeichnet, daß sich beispielsweise die Bindemittel und auch die anderen Inhaltsstoffe der Putze wesentlich besser mit dem Leichtzuschlagstoff verbinden. Als Bindemittel sind hier insbesondere Zement- und Kalkhydrat zu nennen.In contrast, the present invention creates a polystyrene-based lightweight aggregate with a rough surface, which is characterized by the fact that, for example, the binding agents and also the other ingredients of the plasters combine much better with the lightweight aggregate. Cement and lime hydrate are particularly suitable as binding agents here.
Es hat sich gezeigt, daß insbesondere auch recyclisiertes Polystyrol (= Recycling-EPS), das beispielsweise aus gebrauchten Verpackungen stammt, sich sehr gut zu den erfindungsgemäßen Zwecken eignet, womit eine bedeutende Entlastung der Umwelt und der Mülldeponien erreicht wird.It has been shown that recycled polystyrene (= recycled EPS), which comes from used packaging, for example, is particularly well suited to the purposes of the invention, thus significantly reducing the burden on the environment and on landfills.
Die oben angegebene Aufgabe wird erfindungsgemäß dadurch gelöst, daß der neue Leichtzuschlagstoff für Putze, insbesondere für Grundputze dadurch geschaffen wird, daß das Polystyrol vor der Verwendung als Leichtzuschlagstoff zerkleinert, insbesondere zerrieben und/oder zerbrochenThe above-mentioned object is achieved according to the invention in that the new lightweight aggregate for plasters, in particular for base plasters, is created in that the polystyrene is crushed, in particular ground and/or broken, before use as a lightweight aggregate.
m <% &Kgr;&igr; « ft &Lgr; m <% &Kgr;&igr; « ft &Lgr;
und/oder zermahlen wird, so daß ein Zuschlagstoff mit zerfaserter, rauher Oberfläche und gegebenenfalls ein sogenannter gemahlener Polystyrol-Partikel-Festschaum entsteht.and/or ground to produce an aggregate with a fiberized, rough surface and possibly a so-called ground polystyrene particle solid foam.
Der erfindungsgemäße Leichtzuschlagstoff läßt sich grundsätzlich für alle Putze, insbesondere Grundputze, vorzugsweise Außengrundputze, ferner für Dämmputze verwenden, wobei die Grundputze in der Regel auf Basis Kalk-Zement aufgebaut sind.The lightweight aggregate according to the invention can be used in principle for all plasters, in particular base plasters, preferably exterior base plasters, and also for insulating plasters, whereby the base plasters are generally based on lime-cement.
Im folgenden wird beispielsweise eine Rezeptur für einen solchen Putz angegeben: Es kommen auf 400 Liter erfindungsgemäßen Leichtzuschlagstoff Anteile von 16 % Zement, von 2 % Kalkhydrat, ferner ein Kalkbrechsand von 0,1 bis 1,6 mm Körnung sowie Flugasche und Sand.The following is an example of a recipe for such a plaster: For 400 litres of the lightweight aggregate according to the invention, 16 % cement, 2 % hydrated lime, crushed lime sand with a grain size of 0.1 to 1.6 mm, as well as fly ash and sand are used.
Nach einer bevorzugten Ausführungsform wird das Ausgangsmaterial, also die Polystyrol-Partikelchen auf eine Körnung von 0,1 bis 2 mm zerkleinert.According to a preferred embodiment, the starting material, i.e. the polystyrene particles, are crushed to a grain size of 0.1 to 2 mm.
Nach einer weiteren bevorzugten Ausführungsform erfolgt nach dem Zerkleinerungsvorgang ein Absieben des Feinguts mit dem Ziel, die Feinfraktion einer Körnung von 0,1 - 0,4 mm abzusondern, da diese Feinfraktion erfahrungsgemäß keinen Beitrag zur Ergiebigkeitsverbesserung bringt.According to a further preferred embodiment, the fine material is sieved after the crushing process with the aim of separating the fine fraction with a grain size of 0.1 - 0.4 mm, since experience has shown that this fine fraction does not contribute to improving the yield.
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9201035U DE9201035U1 (en) | 1992-01-29 | 1992-01-29 | Lightweight aggregate with hardened surface for plasters, concretes, mineral or plastic-bonded insulation boards and insulation material for fill |
| DE9201498U DE9201498U1 (en) | 1992-01-29 | 1992-02-07 | Lightweight aggregate for plasters, especially base plasters with low segregation tendency based on expanded polystyrene |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9201035U DE9201035U1 (en) | 1992-01-29 | 1992-01-29 | Lightweight aggregate with hardened surface for plasters, concretes, mineral or plastic-bonded insulation boards and insulation material for fill |
| DE9201498U DE9201498U1 (en) | 1992-01-29 | 1992-02-07 | Lightweight aggregate for plasters, especially base plasters with low segregation tendency based on expanded polystyrene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9201498U1 true DE9201498U1 (en) | 1992-06-25 |
Family
ID=25959106
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9201035U Expired - Lifetime DE9201035U1 (en) | 1992-01-29 | 1992-01-29 | Lightweight aggregate with hardened surface for plasters, concretes, mineral or plastic-bonded insulation boards and insulation material for fill |
| DE9201498U Expired - Lifetime DE9201498U1 (en) | 1992-01-29 | 1992-02-07 | Lightweight aggregate for plasters, especially base plasters with low segregation tendency based on expanded polystyrene |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9201035U Expired - Lifetime DE9201035U1 (en) | 1992-01-29 | 1992-01-29 | Lightweight aggregate with hardened surface for plasters, concretes, mineral or plastic-bonded insulation boards and insulation material for fill |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE9201035U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29504355U1 (en) * | 1995-03-14 | 1995-05-11 | Manzei, Jürgen, 95615 Marktredwitz | Light screed with plastic surcharge |
| DE19548952C1 (en) * | 1995-12-28 | 1996-11-21 | Koch Hans Georg | Strong lightweight heat insulating brickwork mortar |
| DE19633874A1 (en) * | 1996-08-13 | 1998-02-19 | Joerg Kschiwan | Hydraulic setting insulating building material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0591895A3 (en) * | 1992-10-05 | 1994-07-13 | Hoelter Heinz | Building, stowing, or filling material |
-
1992
- 1992-01-29 DE DE9201035U patent/DE9201035U1/en not_active Expired - Lifetime
- 1992-02-07 DE DE9201498U patent/DE9201498U1/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29504355U1 (en) * | 1995-03-14 | 1995-05-11 | Manzei, Jürgen, 95615 Marktredwitz | Light screed with plastic surcharge |
| DE19548952C1 (en) * | 1995-12-28 | 1996-11-21 | Koch Hans Georg | Strong lightweight heat insulating brickwork mortar |
| DE19548952C2 (en) * | 1995-12-28 | 2003-05-15 | Hans-Georg Koch | Lightweight masonry mortar |
| DE19633874A1 (en) * | 1996-08-13 | 1998-02-19 | Joerg Kschiwan | Hydraulic setting insulating building material |
Also Published As
| Publication number | Publication date |
|---|---|
| DE9201035U1 (en) | 1992-06-25 |
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