WO2000014027A1 - Composition a base de ciment permettant d'inhiber la formation d'une efflorescence - Google Patents

Composition a base de ciment permettant d'inhiber la formation d'une efflorescence Download PDF

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Publication number
WO2000014027A1
WO2000014027A1 PCT/AU1999/000720 AU9900720W WO0014027A1 WO 2000014027 A1 WO2000014027 A1 WO 2000014027A1 AU 9900720 W AU9900720 W AU 9900720W WO 0014027 A1 WO0014027 A1 WO 0014027A1
Authority
WO
WIPO (PCT)
Prior art keywords
cement
composition
organic solvent
composition according
binder
Prior art date
Application number
PCT/AU1999/000720
Other languages
English (en)
Inventor
Richard John Bright
Guy Shaun Bright
Original Assignee
Richard John Bright
Guy Shaun Bright
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AUPP5644A external-priority patent/AUPP564498A0/en
Priority claimed from AUPP8414A external-priority patent/AUPP841499A0/en
Application filed by Richard John Bright, Guy Shaun Bright filed Critical Richard John Bright
Priority to AU58397/99A priority Critical patent/AU762548B2/en
Publication of WO2000014027A1 publication Critical patent/WO2000014027A1/fr

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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • C04B2111/00508—Cement paints

Definitions

  • the invention also relates to a method of preparing the
  • compositions may be coloured
  • compositions in the absence of added water are prone to the
  • acrylic materials are typically used
  • compositions of the type described above are also utilised in the manufacture
  • the asphalt and carbon black act to fill pores in the set cement that may have
  • the composition comprises an asphalt emulsion, a hydraulic inorganic material, a
  • Part B also comprises an asphalt emulsion as well as a
  • hydraulic inorganic material a polymerisation catalyst and water.
  • Portland cement is described as being suitable for use as the hydraulic inorganic material while the part A
  • part B mixtures are described as being in liquid form. When mixed together, the
  • hydrocarbon binder is substantially solid or semi-solid at ambient temperature and the
  • composition is setable by hydration of the hydraulic cement with sufficient water.
  • the hydraulic cement will generally be a hydraulic cement of the type
  • binder consisting of or comprised largely of one or more hydrocarbon compounds
  • the hydrocarbon binder may for instance be a bituminous binder, a tar such
  • the hydrocarbon binder will be a bituminous binder.
  • the bituminous binder may be selected from the group consisting of bitumen,
  • asphalts asphalts, asphaltic pyrobitumens, mineral waxes and mixtures of the foregoing.
  • bituminous binder will be bitumen.
  • the solvent acts as a carrier for the hydrocarbon binder
  • the organic solvent will be kerosene (liquid paraffin), diesel
  • preparing a cementitious composition comprising the step of mixing a hydrocarbon
  • binder with a hydraulic cement and at least one organic solvent to disperse said binder
  • the hydrocarbon binder will be mixed with the organic solvent
  • composition itself to set will normally be added after the hydraulic binder has been
  • the mixing of the components of the cementitious composition will generally be achieved by physical agitation of the ingredients as is
  • the cementitious composition may be prepared at the work site or remotely
  • composition of the invention may be more resistant to the formation of efflorescence
  • Preferred cementitious compositions of the invention remain in the form of a
  • composition it is desired to use the composition. This allows the composition to be prepared in
  • composition of the invention may further comprise one or more fillers
  • Such materials include fine and/or coarse aggregates such as sand, gravel, particulate
  • slag also known as cinder
  • composition may also include one or more additives such as colorants
  • titanium dioxide limestone, dehydroxylated clays and metakaolin clays, plasticisers such as hydrated lime and bentonite clays and including super plasticisers, water
  • modifiers including clays, thickeners such as hydroxymethylcellulose, cellulose ethers
  • matting agents such as ground silica and fumed silica
  • water proofing agents such as water proofing agents
  • botanical oils including eucalyptus and pine oils, and odour masking
  • the combined weight of any additives will normally comprise less than about
  • the hydrocarbon binder will be mixed into the organic solvent
  • volume ratio of hydrocarbon binder to organic solvent will be between
  • the hydrocarbon binder and organic solvent mixture will have a consistency that readily enables the binder to be dispersed through the hydraulic
  • binder and organic solvent mixture may be added per 100 kg combined weight of the
  • filler and texturing agents more preferably between about 0.4 and about 5.0 litres and
  • fillers and texturing agents will usually be between about 1 :0.1 and about 1 :25.
  • cementitious composition When the cementitious composition is to be used as a paint or render the weight
  • composition is to be used to form a precast cementitious or concrete item it will
  • driveways the weight proportion will normally be between about 1 :6 to about 1 :25.
  • water is added and also mixed in.
  • the amount of water added will depend on the amount of water added.
  • the hydrocarbon binder for being added to the hydrocarbon binder for being added to the hydrocarbon binder
  • hydraulic cement may be in the form of a water-in-oil emulsion.
  • Bituminous water-in-oil emulsion Bituminous water-in-oil emulsion
  • oil emulsions are particularly preferred. In this instance, it has been unexpectedly
  • composition although containing some water is generally dry to the touch and can
  • Oil-in- water emulsions may be utilised but will generally be mixed into the
  • bituminous emulsions for use in the preparation of a cementitious
  • composition of the invention are commercially available such as from CSR Limited
  • compositions of the invention find application as paints
  • the consistency In the case of a paint, the consistency will be such as to allow the
  • composition to be applied with use of a brush of a spraying technique In the case of a
  • a dry conventional cementitious mixture was prepared as follows.
  • bituminous mixture was also prepared comprising a bituminous
  • bitumen/kerosene preparation is commercially available from Boral
  • a cementitious composition of the invention was then prepared from
  • Part B Ingredients Weight
  • formulation C comprising 38% w/w of the part A mixture and 62% w/w of the part B
  • Example 2 From Example 1 to form a dull red paintable mixture which was subsequently applied
  • Example 2 using a silicone sealant as an adhesive. Care was taken to ensure that the
  • the block was then arranged horizontally so that the PVC pipe was disposed
  • a conventional cementitious mixture comprising three parts of sand, one part
  • composition consisting of three parts of fine sand, one part of the part A cementitious
  • Example 1 composition of Example 1 and a small amount of iron oxide pigment was mixed with
  • test paving block were essentially free of efflorescence.
  • a conventional cementitious mixture consisting of approximately 5% to 10%
  • test composition consisting of approximately 5% to 10% by weight of Portland cement and bituminous mixture of Example 1 in an
  • bituminous mixture was prepared using a cationic bituminous oil-in-water
  • a cementitious coating composition was then prepared from parts E and F.
  • Part E Ingredients Weight
  • composition G comprising 38% w/w of the part E mixture and 62% w/w of the part F
  • composition G mixture was dry to the touch, despite the presence of the
  • composition G mixture remained
  • composition G mixture from Example 6 was mixed with
  • a wax based mixture was prepared using paraffin wax in the proportions as
  • Part K Ingredients Weight

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

L'invention concerne une composition à base de ciment comprenant un ciment hydraulique et un liant hydrocarboné mélangés dans au moins un solvant organique, ce mélange étant dispersé essentiellement dans le ciment. Le liant hydrocarboné est sensiblement solide ou semi-solide à température ambiante et on peut faire prendre la composition en hydratant le ciment hydraulique avec suffisamment d'eau. L'invention concerne également un procédé de préparation de la composition ainsi que des articles en ciment ou en béton formés à partir de la composition.
PCT/AU1999/000720 1998-09-03 1999-09-03 Composition a base de ciment permettant d'inhiber la formation d'une efflorescence WO2000014027A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58397/99A AU762548B2 (en) 1998-09-03 1999-09-03 A cementitious composition for inhibiting the formation of efflorescence

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPP5644 1998-09-03
AUPP5644A AUPP564498A0 (en) 1998-09-03 1998-09-03 A coating composition
AUPP8414A AUPP841499A0 (en) 1999-02-02 1999-02-02 A coating formulation
AUPP8414 1999-02-02

Publications (1)

Publication Number Publication Date
WO2000014027A1 true WO2000014027A1 (fr) 2000-03-16

Family

ID=25645858

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1999/000720 WO2000014027A1 (fr) 1998-09-03 1999-09-03 Composition a base de ciment permettant d'inhiber la formation d'une efflorescence

Country Status (1)

Country Link
WO (1) WO2000014027A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116283156A (zh) * 2023-04-07 2023-06-23 河北省地质工程勘查院 一种用于矿山地质环境生态修复的喷播材料及其制备方法与应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1329683A (en) * 1983-04-08 1984-10-18 Thai-Han Co. Ltd. Improved portland cement with carbon black
GB2249103A (en) * 1990-10-24 1992-04-29 Fibrescreed Ltd Waterproofing material
US5562767A (en) * 1995-11-27 1996-10-08 Air Products And Chemicals, Inc. Manufactured aggregate composite
EP0755982A1 (fr) * 1995-07-24 1997-01-29 Nichireki Company, Limited Matériau bitumineux pour renforcer des jointoyages

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1329683A (en) * 1983-04-08 1984-10-18 Thai-Han Co. Ltd. Improved portland cement with carbon black
GB2249103A (en) * 1990-10-24 1992-04-29 Fibrescreed Ltd Waterproofing material
EP0755982A1 (fr) * 1995-07-24 1997-01-29 Nichireki Company, Limited Matériau bitumineux pour renforcer des jointoyages
US5562767A (en) * 1995-11-27 1996-10-08 Air Products And Chemicals, Inc. Manufactured aggregate composite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116283156A (zh) * 2023-04-07 2023-06-23 河北省地质工程勘查院 一种用于矿山地质环境生态修复的喷播材料及其制备方法与应用

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