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WO1996014999A2 - Procede d'application d'un revetement a motif - Google Patents

Procede d'application d'un revetement a motif Download PDF

Info

Publication number
WO1996014999A2
WO1996014999A2 PCT/GB1995/002695 GB9502695W WO9614999A2 WO 1996014999 A2 WO1996014999 A2 WO 1996014999A2 GB 9502695 W GB9502695 W GB 9502695W WO 9614999 A2 WO9614999 A2 WO 9614999A2
Authority
WO
WIPO (PCT)
Prior art keywords
mixture
hardener
epoxy resin
resin
bisphenol
Prior art date
Application number
PCT/GB1995/002695
Other languages
English (en)
Other versions
WO1996014999A3 (fr
Inventor
Terry Alan Langrish
Lee Stuart Speake
Original Assignee
Rodex 5 Systems Ltd
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 Rodex 5 Systems Ltd filed Critical Rodex 5 Systems Ltd
Priority to AU38757/95A priority Critical patent/AU3875795A/en
Publication of WO1996014999A2 publication Critical patent/WO1996014999A2/fr
Publication of WO1996014999A3 publication Critical patent/WO1996014999A3/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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/04—Designs imitating natural patterns of stone surfaces, e.g. marble
    • 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
    • C04B41/4853—Epoxides
    • 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
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/62—Coating or impregnation with organic materials
    • C04B41/63—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/14—Polycondensates modified by chemical after-treatment
    • C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
    • C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
    • C08G59/145—Compounds containing one epoxy group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22—Di-epoxy compounds
    • C08G59/226—Mixtures of di-epoxy compounds

Definitions

  • This invention relates to composite materials for example for use in building.
  • the invention further relates to methods of laying composite material.
  • a method of laying a coating on a sub base comprising the steps of: i applying a mixture of epoxy resin, hardener and particulate material to the rigid sub base, ii) imprinting a pattern on the mixture by pressing a textured sheet into the mixture.
  • the invention is applied to a concrete sub base but other rigid solid and clean sub bases may be used.
  • Old concrete may be a suitable base. Any grease, oil, paint or stain should be removed with a cleaning agent preferably by power washing. It is important that an alkaline film is not left on the surface It may be necessary or desirable to rinse thoroughly with clean water after cleaning
  • Another preferred preparation especially for heavily contaminated concrete is hot compressed air burning of the sub base especially if the tack primer coat to be described hereinafter is applied while the concrete is still warm Sand blasting and vacuum shot blasting each provide especially good preparation since they are dry processes which physically remove the surface of the concrete leaving a clean textured finish
  • sub-bases For example asphalt or tarmacadam can be power washed and then sealed for example with a water based sealer
  • the sub-base is rendered non-porous but this may be difficult to achieve with a tarmacadam or asphalt sub-base -
  • tack primer as RODEX 5 TACK PRIMER a twin pack product consisting of -resm and hardener components If necessary or desired the base resin pack and base hardener may be thinned with up to 5% of Xylene or Ethoxal
  • the tack primer may be applied by sheepskin roller in relatively small areas of say 5m**- per time
  • the topcoat is then prepared For example 25kg of kiln dried silica sand is placed into a mixing container 1 3 litres of Bisphenol A diglycidyl ether, Bisphenol F diglycidyl ether resin are placed in a mixing bucket 0 78 kg of hardener comprising cycloaliphatic amine, pigment and diisooctylphthalate plasticiser is stirred into the resin composition The resin/hardener mixture is then stirred into the sand until homogeneous This quantity should be sufficient to coat about 2 5m-** of primed base
  • topcoat Small portions of topcoat are placed on the sub-base about 0 75 m apart The top coat is then spread out to a depth of about 5mm with a smooth, level finish. The top coat is allowed to cure for about 45 minutes at ambient temperature.
  • a release coat of microfine hydrophobic powered silica is then spread over the partially cured top coat.
  • a release sheet for example of polyethylene or silicone may be used.
  • a flexible mat bearing the patter to be imprinted as projections on the bottom surface is placed on the release coat.
  • the pattern may simulate stone blocks.
  • the maximum depth of the projections should be slightly less than the thickness of the top coat. For example when the top coat is laid 5mm thick the projections should be no more than 4mm.
  • the mat is pressed firmly into the resin for example by foot pressure. Further mats are placed into position in a similar manner. In corners and confined areas a small section of mat may be mounted on a handle and pressed into position. It is not essential for all the top coat to be printed with the same pattern. For example a central area may be imprinted with a riven stone fan pattern and the edges provided with a running bond border.
  • the mats are generally left in situ until the top coat is cured and then removed.
  • a preferred resin component comprises a liquid epoxy resin containing glycidylether C-13 and C-15, a modified liquid of Bisphenol A/F Epichlorohydrin resin comprising
  • a preferred hardener comprises a modified cycloaliphatic amine containing benzyl alcohol less than 45% which contains 4,4'-methylenebis(cyclohexanamine) polymer.
  • a composition obtained by mixing a) A liquid epoxy resin comprising i) glycidyl ether C- 13 and C- 15 and ii) 4,4'-Isopropylinediphenol-epichlorohydrin and Bisphenol F- epichlorohydrin copolymer, b) a curing agent comprising 4,4'-methyIenebis (cyclohexanamine)polymer and optionally benzylalcohol, and c) particulate matter
  • the relative amounts of resin and particulate material are not absolutely critical. If insufficient resin is present the mixture will not bind together Little extra benefit is gained by using excess resin and if too much is used the natural appearance of the particulate material may be impaired.
  • the volume ratio of resin to particulate material is in the range of 1 :3 to 1 : 10 more preferably 1 :4 to 1:7.5.
  • the resin component can be varied: but preferably comprise a reaction product of poiyglycidyl ethers of bisphenol A and/or bisphenol F with elpichlorohydrin.
  • the resin component need not be modified. It may, if desired, be dissolved in a solvent.
  • the resin component can contain reactive and/or non-reactive diluents.
  • Preferred epoxide equivalent weights for liquid resins are in the range 170 to 250 and for solids 450 to 600 or 2000 to 4000.
  • Epoxide content (in molkg"*) for liquid resins is preferably in the range 3.5 to 6.0 and for solids 1.9 to 2.30.
  • Preferred hardeners include aliphatic polyamines, cycloaliphatic polyamines, polyaminoamines, polyamino imidazoles and modified aromatic polyamines. the hardeners can be used alone or in combination. Accelerating catalysts may be added.
  • the particulate material may comprise kiln dried silica sand, aggregate, stone or synthetic granules.
  • the sub base comprises a sheet or board on which the composite is laid. The board is then transported to the site.
  • composition is mixing a tack primer is applied to a sub-base for example with a sheepskin roller or by spraying.
  • the mixer contents are placed onto the prepared board and screed to a depth of about 3mm to 4 mm.
  • a mixture of powdered colours, hardeners and/or release agents are optionally applied for example by sieving or hand casting.
  • a release sheet such as of polyethylene or silicone is applied to the surface.
  • a textured mat is pressed into place Almost any texture may be used for example roof tile or slate, stone or brick.
  • the mat and release sheet are removed and the mixture allowed to cure preferably in a temperature controlled room. Once cured any excess powder can be washed of, the product allowed to dry and a sealer coat applied.
  • the board with the cured composition is then transported to the site
  • the resin mixture comprised 1 404kg of resin, 0 842kg of hardener and 02251 water This modification was particularly suitable for roof tiles
  • Another suitable particulate mate ⁇ al comprises 18 kg kiln d ⁇ ed sand 10 kg graded filler and 0 1 kg pigment powder
  • the coating is formed and allowed to cure and then applied to a substrate
  • Preferred uses include forming slips of b ⁇ ck coloured mate ⁇ al with say red dye or b ⁇ ck dust and a surface coat of sand
  • the slips are formed to be about 3 mm thick but of size corresponding to the exposed face of a brick in a wall
  • the bricks can be abraded to remove loose material and the slips can then be adhered to the bricks If desired the joints can then be repomted This allows a b ⁇ ck wall or part thereof to be refaced without extensive cutting back If desired the slips could be adhered to a surface not of brickwork to simulate brick
  • Other uses include forming tiles or paviours
  • a fluorescent dye such as fiuorescin sodium is incorporated in the composition Slips of this composition can be applied to kerbstones and thus make them more visible Typically application points could be danger areas such as bends or crossings
  • a kerb edge can be made by mixing a twin pack composition of which part A comp ⁇ ses 1 3 litres resin and 12 5 kg sand and part B 0 78 litre hardener and 12 5 kg sand Either or both pans contain colouring
  • the parts are mixed on site for example using a paddle attachment on an elect ⁇ c drill until a uniform colour is achieved Tack p ⁇ mer is applied to the existing kerb edges
  • a form work is constructed around the kerb and the product trowelled into place The form work can be removed after about an hour and edging sealed When fully mixed the product is used as a conventional rendering
  • composition can also be used to make a kitchen work surface Packs
  • a tack p ⁇ mer comprising 15% resin to hardener is applied with a paintbrush or roller
  • composition is spread for example at a thickness of 1 to 3 mm onto the tack primer and allowed to cure Once cured sealer or varnish is applied if desired
  • the composition of the invention can be used as a jointing and bedding material or adhesive for example for the slips of the invention

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un procédé de dépôt d'une couche sur une couche inférieure. Le procédé comporte plusieurs opérations: (i) appliquer sur la couche inférieure rigide un mélange de résine époxy, de durcisseur et d'une matière particulaire; (ii) estamper un motif dans ce mélange en appliquant par pression une feuille texturée. Elle concerne aussi une composition obtenue par mélange: a) composition obtenue par mélange de: i) glycidyl éther C13 et C15; ii) copolymère de 4,41-isopropylinediphénol-épichlorhydrine et bisphénol F-épichlorhydrine, b) un agent de polymérisation; et c) une matière particulaire.
PCT/GB1995/002695 1994-11-16 1995-11-16 Procede d'application d'un revetement a motif WO1996014999A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38757/95A AU3875795A (en) 1994-11-16 1995-11-16 Method of applying a patterned coating

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9423126.3 1994-11-16
GB9423126A GB9423126D0 (en) 1994-11-16 1994-11-16 Artificial stone

Publications (2)

Publication Number Publication Date
WO1996014999A2 true WO1996014999A2 (fr) 1996-05-23
WO1996014999A3 WO1996014999A3 (fr) 1996-07-04

Family

ID=10764500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1995/002695 WO1996014999A2 (fr) 1994-11-16 1995-11-16 Procede d'application d'un revetement a motif

Country Status (3)

Country Link
AU (1) AU3875795A (fr)
GB (1) GB9423126D0 (fr)
WO (1) WO1996014999A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001094275A3 (fr) * 2000-06-07 2002-07-18 Ceralac Gmbh Procede pour l'enduction et la decoration

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031282A (en) * 1972-07-05 1977-06-21 The Burns & Russell Company Simulated traditional sand-finished masonry
US4877656A (en) * 1986-11-06 1989-10-31 Academy Of Applied Science, Inc. Method of fabricating simulated stone surfaces and improved simulated stone product
DE3825754A1 (de) * 1988-07-29 1990-02-01 Huels Chemische Werke Ag Waessrige zweikomponentensysteme auf epoxidbasis und diaminen
US5167991A (en) * 1991-05-13 1992-12-01 Michael Lowe Method for producing a replicated stone surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001094275A3 (fr) * 2000-06-07 2002-07-18 Ceralac Gmbh Procede pour l'enduction et la decoration

Also Published As

Publication number Publication date
WO1996014999A3 (fr) 1996-07-04
GB9423126D0 (en) 1995-01-04
AU3875795A (en) 1996-06-06

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