WO2006037187A1 - Improved cementitious mixtures - Google Patents
Improved cementitious mixtures Download PDFInfo
- Publication number
- WO2006037187A1 WO2006037187A1 PCT/AU2005/001551 AU2005001551W WO2006037187A1 WO 2006037187 A1 WO2006037187 A1 WO 2006037187A1 AU 2005001551 W AU2005001551 W AU 2005001551W WO 2006037187 A1 WO2006037187 A1 WO 2006037187A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solid
- cementitious mixture
- parameters
- resin
- light weight
- Prior art date
Links
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/52—Sound-insulating materials
Definitions
- the invention is primarily directed to cementitious mixtures which may be formed into building products.
- the cementitious mixtures of the present invention may be moulded into blocks, formed into panels and such like.
- the invention is not limited to such use.
- Cementitious mixtures are known for forming building products such as building blocks, wall panels and the like.
- Processes such as the "Besser” and “Columbia” processes for concrete or cinder blocks and such like have established widespread acceptance.
- Lightweight concrete formulations have also been formulated for wall panels and such like, but have at times resulted in building products having insufficient structural strength.
- the present invention aims to provide improved cementitious mixtures which alleviate one or more of the disadvantages of the prior art.
- Other aims and advantages of the invention may become apparent from the following description.
- this invention resides broadly in a cementitious mixture including:
- the constituent components being selected to provide a settable liquid or mobile solid which, when set to form a solid, achieves a predetermined selection of parameters comprising two or more parameters selected from available parameters, said available parameters including density, compressive strength, sound insulation, thermal insulation and fire rating of the solid.
- the constituent components being selected to provide a settable liquid or mobile solid which, when set, achieves a predetermined set of parameters including two or more of the density, compressive strength, sound insulation, thermal insulation and fire rating of the solid.
- the present invention resides broadly in a cementitious mixture including:
- the relative concentrations of the constituent components being adjusted according to a predetermined formulation to provide a settable liquid or mobile solid such that, when set into a solid, the solid possesses a predetermined selection of parameters comprising two or more parameters selected from available parameters, said available parameters including density, compressive strength, sound insulation, thermal insulation and fire rating of the solid.
- the light weight material is preferably selected from light weight polymeric or plastics materials, such as expanded polystyrene foam. More preferably, the light weight material includes recycled plastics and/or rubber products.
- the light weight material may also include wood chip, manufactured light weight formations or the like, the light weight material being selected for durability, cost, compatibility with the other constituent components of the mixture, and contribution to the aforesaid predetermined set of parameters.
- the resin is selected from settable polymeric materials, preferably one-part settable polymers such as polyvinyl acetate, acrylic resins or such like. More preferably, the resin is or includes elastomeric materials, such as, for example, polybutadiene or derivatives thereof. One preferred elastomeric resin includes carboxylated butadiene styrene copolymer. Preferably, the resin and light weight material are selected to interact with one another to provide synergistically a composite material for inclusion in the cementitious mixture. The resin may be in liquid or powdered form.
- the fibrous material reinforces the solid, and may include, for example, synthetic or natural textile, wood fibre, glass fibre or such like preferably in the form of tow, staple or such like.
- the fibrous material may also include "extended" fibres, such as fibreglass, animal hair, plant fibre or such like.
- a lightweight concrete building material was formulated in accordance with the invention in order to test it for use in building and construction materials and components.
- a slurry was prepared by mixing 6 kg cement, 1 kg sand, 3 litres water and 1 litre resin in a 20 litre bucket, stirring the mixture with a hand-held electric mixer to form a runny paste. 54 litres polystyrene beads and 50 ml fibre were combined in a 100 litre mixing vessel to ensure an even mix, and then the slurry was added thereto slowly whilst continuing to agitate the mixture.
- the mixture was mixed for a few minutes after all of the slurry had been added and checking visually that the lightweight material (polystyrene) had an even coating of slurry.
- the resin used for this test was carboxylated butadiene styrene latex, and the fibre used was 10 mm polypropylene fibre.
- the mixture was then poured into a mould (rectangular prism) which had been pre- treated with vegetable oil mould release agent.
- the sides of the mould were tapped to settle the mixture, particularly into the corners of the mould.
- the mould was slightly overfilled, the excess material being removed to level off the moulded material with a straight edge.
- the mixture was not forced or compressed into the mould.
- the mixture was contained in the by a lid arranged to close the mould without compressing the mixture therein.
- the mixture in the mould was allowed to set over a period of 24 hours to form a block, after which the block was removed from the mould.
- the block was allowed a further period of time to air dry, following which measurements were taken and tests performed on the block.
- the block was found to be fragile.
- the moulded faces were hardened and did not release any unbound materials.
- the lid-face released a few crumbs of unbound ingredients.
- the block was moist and firm enough to handle with care without damaging or denting the faces. After drying, the block hardness increased significantly, and the following characteristics were recorded:
- Example 1 The block of Example 1 was tested for fire resistivity.
- a 50 mm thick sample was sliced from the block and positioned above a portable propane gas burner. The nozzle was carefully positioned 50 mm from the face of the slice. The burner was ignited and the flame directed to the centre of the face of the slice (the heated face). A timer was activated when the flame started. The test was continued and the time taken until particular benchmarks were attained.
- the benchmarks sought were firstly an indication that insulation failed by the opposing face being too hot to touch, that integrity of the slice failed by the flame being seen on the other side of the slice.
- the temperature of the opposing face was measured at five-minute intervals, with the result being as follows:
- test sample slice exceeded all expected measures of fire resistivity.
- the result showed that the lightweight concrete example according to the invention could withstand a sustained temperature of 600°C to 1900°C (red glowis 1100°C to 1300 0 C) for in excess of 160 minutes.
- a full scale fire rating test according to standardised procedures would be desirable for each building material and./or product formed from the improved cementitious mixtures of the present invention, as well as for its full range of application, fixing and finishing.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/665,025 US20090014680A1 (en) | 2004-10-08 | 2005-10-07 | Cementitious mixtures |
AU2005291861A AU2005291861B2 (en) | 2004-10-08 | 2005-10-07 | Improved cementitious mixtures |
NZ554876A NZ554876A (en) | 2004-10-08 | 2005-10-07 | A lightweight concrete building material formulation including carboxylated butadiene styrene latex |
JP2007534975A JP2008515753A (en) | 2004-10-08 | 2005-10-07 | Improved cementitious mixture |
MX2007004027A MX2007004027A (en) | 2004-10-08 | 2005-10-07 | Improved cementitious mixtures. |
EP05791538A EP1817267A4 (en) | 2004-10-08 | 2005-10-07 | Improved cementitious mixtures |
CA002625063A CA2625063A1 (en) | 2004-10-08 | 2005-10-07 | Improved cementitious mixtures |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004905810 | 2004-10-08 | ||
AU2004905810A AU2004905810A0 (en) | 2004-10-08 | Improved Cementitious Mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006037187A1 true WO2006037187A1 (en) | 2006-04-13 |
Family
ID=36142252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2005/001551 WO2006037187A1 (en) | 2004-10-08 | 2005-10-07 | Improved cementitious mixtures |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090014680A1 (en) |
EP (1) | EP1817267A4 (en) |
JP (1) | JP2008515753A (en) |
CA (1) | CA2625063A1 (en) |
MX (1) | MX2007004027A (en) |
NZ (1) | NZ554876A (en) |
WO (1) | WO2006037187A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008035197A2 (en) * | 2006-09-22 | 2008-03-27 | Daniele Furin | A sound-proofing/heat insulating material and a process for production thereof |
WO2010082073A2 (en) * | 2009-01-19 | 2010-07-22 | Magortherm Zrt. | Method for the production of building materials and building products manufactured thereby |
WO2011064646A2 (en) | 2009-11-25 | 2011-06-03 | Lasso Financial Ltd. | Heat-insulating, fire-proof, water-resistant, permeable-to-air, flexible lightweight concrete |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10117812B2 (en) * | 2002-10-25 | 2018-11-06 | Foamix Pharmaceuticals Ltd. | Foamable composition combining a polar solvent and a hydrophobic carrier |
US10851018B2 (en) * | 2016-04-30 | 2020-12-01 | Ali Amirzadeh | Reinforced lightweight aggregates |
Citations (8)
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WO1993010972A1 (en) * | 1991-11-26 | 1993-06-10 | Massachusetts Institute Of Technology | Lightweight composites |
JPH05339042A (en) * | 1992-06-10 | 1993-12-21 | Masami Soki | Sound-absorptive insulating composition |
CA2238149A1 (en) * | 1997-05-23 | 1998-11-23 | Kenneth Peter Bowman | Building component with cementitious coating |
WO2000002826A1 (en) * | 1998-07-10 | 2000-01-20 | Leon Kruss | Construction element |
JP2000063161A (en) * | 1998-08-10 | 2000-02-29 | Ogawa Setsuo Kenkyusho:Kk | Filler inorganic hydraulic composition and board material |
EP1157978A1 (en) * | 2000-05-24 | 2001-11-28 | Günther Dr. c/o Forum of Switzerland AG. Hund | Building material |
WO2002006182A1 (en) * | 2000-07-14 | 2002-01-24 | Davco Construction Materials Pty Limited | Mortar composition and method |
EP1236699A1 (en) * | 2001-03-01 | 2002-09-04 | Sika AG, vorm. Kaspar Winkler & Co. | Composite material and shaped article with thermal conductivity and specific gravity on demand |
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DD63738A (en) * | 1900-01-01 | |||
US3257338A (en) * | 1963-02-20 | 1966-06-21 | Koppers Co Inc | Concrete composition comprising cement, primary aggregate, particulate expanded polystyrene and a homogenizing agent |
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JPH11147777A (en) * | 1997-11-14 | 1999-06-02 | Kanegafuchi Chem Ind Co Ltd | Lightweight hardened product and its production |
JP2000016882A (en) * | 1998-07-02 | 2000-01-18 | Nippon Chemical Kogyo Kk | Hydraulically cured product and its production |
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JP4947869B2 (en) * | 2002-05-14 | 2012-06-06 | 株式会社大林組 | Insulation composition |
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-
2005
- 2005-10-07 JP JP2007534975A patent/JP2008515753A/en active Pending
- 2005-10-07 US US11/665,025 patent/US20090014680A1/en not_active Abandoned
- 2005-10-07 CA CA002625063A patent/CA2625063A1/en not_active Abandoned
- 2005-10-07 WO PCT/AU2005/001551 patent/WO2006037187A1/en active Application Filing
- 2005-10-07 NZ NZ554876A patent/NZ554876A/en unknown
- 2005-10-07 EP EP05791538A patent/EP1817267A4/en not_active Withdrawn
- 2005-10-07 MX MX2007004027A patent/MX2007004027A/en unknown
Patent Citations (8)
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WO1993010972A1 (en) * | 1991-11-26 | 1993-06-10 | Massachusetts Institute Of Technology | Lightweight composites |
JPH05339042A (en) * | 1992-06-10 | 1993-12-21 | Masami Soki | Sound-absorptive insulating composition |
CA2238149A1 (en) * | 1997-05-23 | 1998-11-23 | Kenneth Peter Bowman | Building component with cementitious coating |
WO2000002826A1 (en) * | 1998-07-10 | 2000-01-20 | Leon Kruss | Construction element |
JP2000063161A (en) * | 1998-08-10 | 2000-02-29 | Ogawa Setsuo Kenkyusho:Kk | Filler inorganic hydraulic composition and board material |
EP1157978A1 (en) * | 2000-05-24 | 2001-11-28 | Günther Dr. c/o Forum of Switzerland AG. Hund | Building material |
WO2002006182A1 (en) * | 2000-07-14 | 2002-01-24 | Davco Construction Materials Pty Limited | Mortar composition and method |
EP1236699A1 (en) * | 2001-03-01 | 2002-09-04 | Sika AG, vorm. Kaspar Winkler & Co. | Composite material and shaped article with thermal conductivity and specific gravity on demand |
Non-Patent Citations (2)
Title |
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PATENT ABSTRACTS OF JAPAN * |
See also references of EP1817267A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008035197A2 (en) * | 2006-09-22 | 2008-03-27 | Daniele Furin | A sound-proofing/heat insulating material and a process for production thereof |
WO2008035197A3 (en) * | 2006-09-22 | 2008-06-05 | Daniele Furin | A sound-proofing/heat insulating material and a process for production thereof |
WO2010082073A2 (en) * | 2009-01-19 | 2010-07-22 | Magortherm Zrt. | Method for the production of building materials and building products manufactured thereby |
WO2010082073A3 (en) * | 2009-01-19 | 2010-09-10 | Magortherm Zrt. | Method for the production of building materials and building products manufactured thereby |
WO2011064646A2 (en) | 2009-11-25 | 2011-06-03 | Lasso Financial Ltd. | Heat-insulating, fire-proof, water-resistant, permeable-to-air, flexible lightweight concrete |
EP2504291A4 (en) * | 2009-11-25 | 2014-10-01 | Lasso Financial Ltd | Heat-insulating, fire-proof, water-resistant, permeable-to-air, flexible lightweight concrete |
Also Published As
Publication number | Publication date |
---|---|
NZ554876A (en) | 2011-03-31 |
EP1817267A1 (en) | 2007-08-15 |
CA2625063A1 (en) | 2006-04-13 |
JP2008515753A (en) | 2008-05-15 |
US20090014680A1 (en) | 2009-01-15 |
MX2007004027A (en) | 2007-06-04 |
EP1817267A4 (en) | 2011-08-17 |
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