WO2003040053A2 - Compositions d'enrobage - Google Patents

Compositions d'enrobage Download PDF

Info

Publication number
WO2003040053A2
WO2003040053A2 PCT/GB2002/005026 GB0205026W WO03040053A2 WO 2003040053 A2 WO2003040053 A2 WO 2003040053A2 GB 0205026 W GB0205026 W GB 0205026W WO 03040053 A2 WO03040053 A2 WO 03040053A2
Authority
WO
WIPO (PCT)
Prior art keywords
resin
coating composition
building material
composition according
composition
Prior art date
Application number
PCT/GB2002/005026
Other languages
English (en)
Other versions
WO2003040053A3 (fr
Inventor
Julian Edward Evans
Original Assignee
Castle Colours Limited
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
Application filed by Castle Colours Limited filed Critical Castle Colours Limited
Publication of WO2003040053A2 publication Critical patent/WO2003040053A2/fr
Publication of WO2003040053A3 publication Critical patent/WO2003040053A3/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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1018—Coating or impregnating with organic materials
    • C04B20/1029—Macromolecular compounds
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1092—Coating or impregnating with pigments or dyes
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C04B41/483—Polyacrylates

Definitions

  • the present invention concerns coating compositions, particularly but not exclusively compositions for coating building materials such as sand, gravel and chippings.
  • sand can be coloured by adding a dye or ' pigment carried in a resin, the coloured resin being added to the sand in a mixing vessel so that the particles of sand are coated with the coloured resin.
  • the pigments used have traditionally been based on chromates, which are toxic, and the resin has been solvent based therefore presenting health, safety and environmental problems in manufacture, use and disposal.
  • the process has required drying of the coated material by processing in heated rotary dryers before packaging, with the consequent expense of heating costs. It has been found difficult to provide satisfactory alternatives due to the degree of weather resistance and resistance to trafficking abrasion required in use.
  • a coating composition for application to a building material including a pigment dispersed in aqueous media, the media including a resin material.
  • the resin material comprises any one or a combination of acrylic resin, polyester resin, polyurethane resin, epoxy resin, vinyl resin, styrene resin, or styrene acrylic resin, the or each said resin or resins being in the form of an aqueous solution, an aqueous dispersion or an aqueous emulsion.
  • the resins Preferably there are a plurality of said resins.
  • at least one of the resins is in the form of an aqueous solution.
  • the soluble resin forms at least 10% w/w of the coating composition.
  • at least one other of the resins is in the form of an aqueous dispersion or ari ' aqueous emulsion.
  • the building material is preferably a particulate building material.
  • a coating composition including pigment dispersed in aqueous media, the media including a plurality of resins, at least one of said resins being in the form of an aqueous solution and forming at least 10% w/w of the coating composition, and at least one other of the resins being in the form of an aqueous dispersion or aqueous emulsion.
  • the resins comprise any one or a combination of acrylic resin, polyester resin, polyurethane resin, epoxy resin, vinyl resin, styrene resin or styrene acrylic resin.
  • the dispersed or emulsified resin forms at least 20% w/w of the coating composition, and desirably forms at least 30% w/w of the coating composition.
  • the media includes both a dispersed resin and an emulsified resin with a combined proportion of at least 40% w/w of the coating composition and desirably at least 60% w/w of the coating composition.
  • the ratio of emulsified and dispersed resin to soluble resin is between 3:1 and 4:1 by weight.
  • the emulsified resin is styrene acrylic resin.
  • the dispersed resin is acrylic resin.
  • the coating composition may include anti-foam agents, and may include waxes.
  • the pigment is chromate-free.
  • the pigment may be organic, or may be inorganic.
  • the coating composition may include materials providing reflective, luminescent, or fluorescent properties.
  • the building material may be sand, stones, aggregate, gravel, chippings or the like.
  • a method of coating particulate building materials comprising adding a coating composition to the surface of a building material, the coating composition being as described in the preceding thirteen paragraphs.
  • the building material may be an aggregate, and may be any one of gravel, chippings, sand or lightweight aggregate.
  • the building material may be agitated in a mixing vessel, and the coating composition added to the building material in the mixing vessel, the coating composition being mixed into the building material until evenly distributed on the surfaces of the building material.
  • the mixing vessel may be a paddle mixer, a tumbling mixer, or a helical coil mixer.
  • the coating composition may be sprayed into the mixer under pressure, or alternatively may be poured in by hand.
  • the coating material may be added to the building material at an addition rate of at least 0.1% w/w finished coated material, and preferably not greater than 10% finished coated material. More preferably the addition rate is between 1.0-1.5% w/w finished coated material.
  • the building material may be a hard fired ceramic body.
  • the building material may be a brick, a block, a slab, a roof tile or the like.
  • a coated particulate building material the building material being coated according to the method described in the preceding paragraphs.
  • a coated building material the building material being coated with a coating composition as described in the preceding paragraphs, in which the coated building material has been provided with the coating by painting, dipping or spraying with the coating composition.
  • the building material may be a hard fired ceramic body.
  • the building material may be a brick, a block, a slab, a roof tile or the like.
  • a coating composition to coat building materials, the coating composition being as described in the preceding paragraphs.
  • the building materials are particulate building materials.
  • Tables 1 and 2 show examples of coating compositions in accordance with embodiments of the present invention.
  • the pigments are proprietary pigments.
  • the pigments are manufactured by Flint Ink (UK) Limited, Packaging Inks Division, Vauxhall Industrial Estate, Ruabon, Wrexham, United Kingdom, are chromate free, and may be organic or inorganic.
  • the coating compositions include a pigment dispersed in aqueous media, the media including resins.
  • the resins comprise styrene acrylic solution, acrylic dispersion, and styrene acrylic emulsion resins. It has been found that to achieve the necessary degree of weather resistance the combined emulsion and dispersion part must be greater than 20% by weight of the coating composition.
  • the coating composition is added into a mixing vessel containing particulate building materials such as aggregate, sand, lightweight aggregates or stone chippings.
  • the mixing vessel may be a paddle mixer, a tumbling mixer, or a helical coil mixer, and the coating composition is sprayed or poured into the particulate building material, while the building material is being agitated within the mixing vessel.
  • the coating composition is mixed into the particulate building material until evenly distributed on the particle surfaces of the building material. Typical additional rates are shown in Table 3 for different building materials.
  • agitation continues and the coating dries and hardens on the particulate building materials while in the mixer.
  • a mixing time of approximately 10 mins is required for the coating composition to dry and harden on sand, and this may be longer, up to 30 mins for coarser particle particulate material such as gravel or chippings.
  • the dried, coated particulate material is then emptied from the mixer and packaged into bags.
  • the dried coated material is used as a decorative aggregate or planting material for gardens, driveways, paths, planters, etc.
  • the coated particulate building material may be used as a constituent, in, for instance, concrete or reconstructed stone, being formed by moulding into bricks, blocks, roof tiles, wailing units etc.
  • the coating composition may be applied by brushing, spraying, or dipping to the surface of formed or cast building materials such as hard fined ceramic bodies, bricks, blocks, slabs, roof tiles or similar.
  • Particulate building materials coated with coating compositions to the above formulations have shown suitable water and frost resistance for use in outdoor environments throughout the year.
  • the coating composition disclosed is a water soluble, non-toxic material which in contrast with previously known suitable coating compositions has much improved ease of processing with much reduced health, safety and environmental risks.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne une composition d'enrobage pour un matériau de construction, plus particulièrement, pour des matériaux de construction particulaires, tels que le sable, le gravier, le concassé. La composition contient un pigment dispersé dans un milieu aqueux qui comprend un matériau résineux.
PCT/GB2002/005026 2001-11-06 2002-11-05 Compositions d'enrobage WO2003040053A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0126548A GB2384781B (en) 2001-11-06 2001-11-06 Coating compositions
GB0126548.7 2001-11-06

Publications (2)

Publication Number Publication Date
WO2003040053A2 true WO2003040053A2 (fr) 2003-05-15
WO2003040053A3 WO2003040053A3 (fr) 2003-07-24

Family

ID=9925181

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/005026 WO2003040053A2 (fr) 2001-11-06 2002-11-05 Compositions d'enrobage

Country Status (2)

Country Link
GB (1) GB2384781B (fr)
WO (1) WO2003040053A2 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1688400A2 (fr) * 2005-02-04 2006-08-09 Finnsementti Oy Adjuvant pour béton, sa production et utilisation , et procédé de fabrication d'un béton, ainsi que béton le contenant
EP1759774A1 (fr) * 2005-09-05 2007-03-07 Akzo Nobel Coatings International B.V. Procédé de revêtement de pierres et pierres ainsi revêtues
EP1836142A1 (fr) * 2004-12-13 2007-09-26 Cheil Industries Inc. Marbre artificiel contenant des morceaux de marbre transparent tridimensionnels et procede de preparation
WO2008112946A1 (fr) * 2007-03-14 2008-09-18 Sun Chemical Corporation Revêtement de polyuréthane pigmenté à base d'eau
EP2327669A1 (fr) * 2009-11-10 2011-06-01 Cheil Industries Inc. Puce transparente revêtue de matériau coloré pour pierre artificielle, son procédé de préparation et pierre artificielle l'incluant
ES2367500A1 (es) * 2009-09-08 2011-11-04 Inés María Cansado Trigo Pieza decorativa y procedimiento de obtención de la misma.
CN103834243A (zh) * 2013-12-25 2014-06-04 杨昌富 一种内墙乳胶漆
ES2786777A1 (es) * 2019-04-11 2020-10-13 Perez Boix Cristina Procedimiento para la obtencion de un material de construccion luminiscente y material de construccion luminiscente obtenido con dicho procedimiento.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110922817A (zh) * 2019-11-29 2020-03-27 陕西速源节能科技有限公司 一种绿色节能涂料及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470012A (en) * 1965-03-08 1969-09-30 Robert C Rollette Method and apparatus for producing decorative stone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL132732C (fr) * 1967-02-06
JPS5458730A (en) * 1977-10-18 1979-05-11 Kowa Kagaku Kougiyou Kk Coating composition for construction
JPH06220369A (ja) * 1993-01-27 1994-08-09 Kuraray Co Ltd 塗料組成物
JP2774234B2 (ja) * 1993-04-28 1998-07-09 関西ペイント株式会社 水性塗料用樹脂組成物
GB2291648B (en) * 1994-07-25 1998-11-25 Ici Plc Aqueous coating composition giving coatings having improved early hardness and tack-resistance
RU2142975C1 (ru) * 1997-12-26 1999-12-20 Государственное производственное объединение "Алексинский химический комбинат" Краска водно-дисперсионная

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470012A (en) * 1965-03-08 1969-09-30 Robert C Rollette Method and apparatus for producing decorative stone

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1836142A1 (fr) * 2004-12-13 2007-09-26 Cheil Industries Inc. Marbre artificiel contenant des morceaux de marbre transparent tridimensionnels et procede de preparation
EP1836142A4 (fr) * 2004-12-13 2013-04-24 Cheil Ind Inc Marbre artificiel contenant des morceaux de marbre transparent tridimensionnels et procede de preparation
EP1688400A2 (fr) * 2005-02-04 2006-08-09 Finnsementti Oy Adjuvant pour béton, sa production et utilisation , et procédé de fabrication d'un béton, ainsi que béton le contenant
EP1688400A3 (fr) * 2005-02-04 2008-12-24 Finnsementti Oy Adjuvant pour béton, sa production et utilisation , et procédé de fabrication d'un béton, ainsi que béton le contenant
EP1759774A1 (fr) * 2005-09-05 2007-03-07 Akzo Nobel Coatings International B.V. Procédé de revêtement de pierres et pierres ainsi revêtues
WO2008112946A1 (fr) * 2007-03-14 2008-09-18 Sun Chemical Corporation Revêtement de polyuréthane pigmenté à base d'eau
ES2367500A1 (es) * 2009-09-08 2011-11-04 Inés María Cansado Trigo Pieza decorativa y procedimiento de obtención de la misma.
EP2327669A1 (fr) * 2009-11-10 2011-06-01 Cheil Industries Inc. Puce transparente revêtue de matériau coloré pour pierre artificielle, son procédé de préparation et pierre artificielle l'incluant
US8475890B2 (en) 2009-11-10 2013-07-02 Cheil Industries Inc. Colored material coated transparent chip for artificial stone, method of preparing same, and artificial stone including same
CN103834243A (zh) * 2013-12-25 2014-06-04 杨昌富 一种内墙乳胶漆
ES2786777A1 (es) * 2019-04-11 2020-10-13 Perez Boix Cristina Procedimiento para la obtencion de un material de construccion luminiscente y material de construccion luminiscente obtenido con dicho procedimiento.

Also Published As

Publication number Publication date
GB2384781B (en) 2005-11-30
WO2003040053A3 (fr) 2003-07-24
GB0126548D0 (en) 2002-01-02
GB2384781A (en) 2003-08-06

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