WO1997008390A1 - Composition pour une piste artificielle - Google Patents

Composition pour une piste artificielle Download PDF

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Publication number
WO1997008390A1
WO1997008390A1 PCT/EP1996/003599 EP9603599W WO9708390A1 WO 1997008390 A1 WO1997008390 A1 WO 1997008390A1 EP 9603599 W EP9603599 W EP 9603599W WO 9708390 A1 WO9708390 A1 WO 9708390A1
Authority
WO
WIPO (PCT)
Prior art keywords
polymer
composition according
track
hydrocarbon
composition
Prior art date
Application number
PCT/EP1996/003599
Other languages
English (en)
Inventor
Graham Derek Potter
Adrian Morris Fisk
Original Assignee
Mobil Oil Corporation
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 Mobil Oil Corporation filed Critical Mobil Oil Corporation
Priority to AU69245/96A priority Critical patent/AU6924596A/en
Publication of WO1997008390A1 publication Critical patent/WO1997008390A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/36—Coherent pavings made in situ by subjecting soil to stabilisation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/18—Prepolymers; Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/18—Prepolymers; Macromolecular compounds
    • C09K17/20—Vinyl polymers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
    • E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics

Definitions

  • This invention relates to compositions for artificial tracks.
  • the invention also relates to processes for making compositions for artificial tracks.
  • the invention further relates to processes for the preparation, stabilisation or rejuvenation of artificial tracks.
  • Horse riding surfaces generally comprise about 10 cm or more in thickness of particulate material such as sand, plastic granules, cinders, ash or particulate bark laid over a firm well- drained base.
  • the riding surface may be the surface of a manege or of a track such as an all-weather gallop or race course.
  • Other uses for such surfaces and tracks include uses as sports tracks, cycle tracks, motor racing tracks; and even footpaths or vehicle paths through forestry areas.
  • Further uses of the present invention are in stabilising other weather affected surfaces and tracks, such as children's playgrounds; refuse sites; quarry sites and other mining areas. All such tracks and particulate surfaces are denoted herein by the term “artificial track”. All such particulate materials are denoted herein as "track forming aggregate material”.
  • the artificial track can move. Regular use, for example, can cause material to be kicked to one side so as to leave ruts or depressions. Also, untreated track forming aggregate material can create a dust problem in some fields of use.
  • Hot mixing and hot spraying are both techniques which require operator skill and which involve relatively expensive equipment. There is a need for a process which is as effective as the known hot treatment processes but which does not have the above mentioned drawbacks.
  • composition for an artificial track comprising an aqueous emulsion of a blend of a polymer and a hydrocarbon.
  • the hydrocarbon differs from the polymer.
  • the hydrocarbon may have a boiling point above 25°C, preferably above 50°C, more preferably about 90° and most preferably about 120°C.
  • the hydrocarbon may be an aliphatic, alicyclic or aromatic hydrocarbon; it may be saturated or unsaturated.
  • the hydrocarbon may be an alkene or an alkane; it is preferably an alkane.
  • the hydrocarbon has from 10 to 40 carbon atoms, more preferably from 15 to 40 carbon atoms, and most preferably from 21 to 36 carbon atoms. It is especially preferred that the hydrocarbon comprises a blend; for example, a blend of alkanes having from 21 to 36 carbon atoms; an example of such a hydrocarbon blend is an aliphatic process oil.
  • a suitable example is commercially available from Mobil Oil Company Limited under the trade mark
  • the polymer suitably has a relatively high tackiness: preferably this should be such that a composition in accordance with the present invention has a binding effect on the artifical track equivalent to that of 6 to 14 wt %, preferably from 8 to 10 wt % (eg 9 wt %) of water on a dry, untreated artifical track.
  • Such polymers suitably have a hardness from 10 to 50, preferably from 15 to 40, especially from 20 to 30 (such as 25) d mm (ASTM D5) at 25°C.
  • Useful polymers have a viscosity, within a temperature range from 105°C to 120°C, from 300k to 700k, preferably from 400k to 600k (such as 500k) cP.
  • the polymer may contain a minor amount, for example up to 10 wt% of oligomeric or monomeric residues.
  • the polymer may be a homopolymer or a copolymer, suitably an addition homo- or copolymer, desirably a vinyl homo- or copolymer, and is preferably preparable from one or more alkene monomers. It may suitably be a blend of such polymers.
  • suitable homopolymers include low density (high pressure) polyethylene; atactic polypropylene; and polybutylene.
  • suitable homopolymers includes polyvinylacetate, ethylenevinylacetate; copolymers of ethylene with C 4 to C 10 alpha-olefins (LLDPEs); and copolymers of propylene with ethylene, with butylene or with ethylene and butylene.
  • the polymer is an amo ⁇ hous or an atactic homo- or copolymer preparable from one or more alkene monomers. It is particulariy preferred that the polymer is a propylene hompolymer. The polymer is most desirably an atactic propylene polymer;
  • VISCOPOL A an atactic polypropylene blended or grafted with a minor amount of another polyolefin such as polyethylene available from Dussek-Campbell, is found to be very suitable. Polymers from the EASTOFLEX amo ⁇ hous polyolefin range from Eastoflex are also found to be suitable.
  • the temperature at which the polymer is soluble may be above room temperature.
  • the polymer may comprise from 2 to 40 wt %, preferably 5 to 20 wt %, more preferably 8 to 12 wt % and most preferably 10 wt % of the combined weight of polymer and hydrocarbon.
  • the aqueous emulsion of the invention has the significant advantage that it can be used in relation to an artificial track without the need to be heated. It is necessary to form the emulsion to include a stabilising additive in order to keep the emulsion stable after it has been formed.
  • the stabilising additive comprises an emulsifier and may also comprise of viscosity modifier.
  • the emulsion is preferably a cationic emulsion.
  • a suitable emulsifier comprises both an amine and an organic acid which may, at least in part, salify each other.
  • the amine component comprises a long chain, for example a C 10 to C 40 preferably C 20 to C 40 amine.
  • C 10 to C 30 mono-substituted amine and C 20 to C 40 di-substituted amines have been found to be most suitable.
  • the chain may be branched or unbranched and is preferably an alkyl group.
  • Representative examples include mono-substituted alkylene diamines, especially N- alkyl propylene diamines such as N-arachidyl -1, 3- propylene diamine, N-behenyl
  • 3- propylene diamine They further include mono-substituted monoamines, especially N-alkylamines, such as N-dodecylamine, N-hexadecylamine, N- octadecylamine and N-eicosylamine.
  • a particularly preferred amine component comprises a blend of N-alkyl propylene diamines having different alkyl groups.
  • the organic acid component is a C, to C 18) preferably a C to C 6 , organic acid.
  • the acid may suitably be a carboxyiic acid, especially a monocarboxylic acid.
  • Representative examples include formic acid, acetic acid, propionic acid and butyric acid, preferably acetic acid.
  • the viscosity modifier preferably comprises a relatively short chain, or cyclic amine.
  • the amine has up to 12 carbon atoms but a molecular weight which is lower than that of the amine component of the emulsifier.
  • the amine may comprise an aliphatic, cycloaliphatic, aromatic and primary, secondary or tertiary amine. Representative examples include dicyclohexylamine, dimethylamino propylamine, 1-methyl-hexylamine, N-octylamine, N-dodecylamine, N-dodecyl 1, 3-propylene diamine, aniline, N (1-methylundecyl)1 , 3-propylene diamine.
  • the viscosity modifier is not an amine, then it is preferably selected from: a sodium containing viscosity modifier such as sodium phosphate, sodium tetraborate, and sodium hexametaphosphate.
  • a sodium containing viscosity modifier such as sodium phosphate, sodium tetraborate, and sodium hexametaphosphate.
  • the relative amounts of the polymer and hydrocarbon, the water, the emulsifier and the viscosity modifier are within the following broad ranges:
  • a process for the preparation of a composition for an artificial track comprises dissolving a polymer in a hydrocarbon at an elevated temperature below the boiling point of the hydrocarbon and the polymer; and adding water thereto, with agitation, until an emulsion is formed.
  • the polymer is dissolved in the hydrocarbon at a temperature of 90°C to 140°C, most preferably 120°C.
  • the relative amounts of the components of the composition may be in the ranges described above.
  • the emulsion further includes a stabilising additive.
  • the stabilising additive comprises an emulsifier and may also comprise a viscosity modifier as described above.
  • the viscosity modifier is added to the polymer and hydrocarbon before they are added to the water. It is preferred that part of the emulsifier is added to the polymer and hydrocarbon, and part of the emulsifier is added to the water, before the polymer and hydrocarbon and water are mixed together.
  • the emulsifier comprises both an amine and a carboxylic acid: in this embodiment the amine may be added to the polymer and hydrocarbon, and the carboxylic acid may be added to the water, before the polymer and hydrocarbon and the water are mixed together.
  • the water is heated to a temperature of 75° to 95°C, more preferably 80° to 85°C, before forming the mixture described above.
  • the polymer and hydrocarbon are preferably at a temperature 5° to 10°C above that of the water when it is added to the water: most preferably the polymer and hydrocarbon are at
  • the components of the mixture are stirred in a colloid mill or a high speed mixer (e g a Silverson-type mixer).
  • the rate of stirring can be selected to obtain a good emulsion.
  • Stirring is preferably carried out at 5000 to 7000 rpm, most preferably at £000 ⁇ m.
  • an artificial track comprising a minor amount of a composition as described above in combination with a major amount of a track forming aggregate material.
  • the track foiming aggregate material forms the bulk of the track, and can be any material usually used in the formation of a track or road. Typically, the track foiming aggregate material would be sand.
  • the track forming aggregate material comprises the material of the ground: this material may have been specially laid prior to laying the composition, or it may comprise the naturally occurring material of the ground.
  • the artificial track further includes an adhesion agent.
  • the adhesion agent is suitably an amine, preferably a mono-amine, most preferably N- hydrogenated tallow alkyl amine or N-stearylamine; an example of such an amine is commercially available from Naykem Limited under the trade name MONO- REXINE or DI-REXINE and from Akzo-Nobel under the trade name REDICOTE
  • the adhesion agent is preferably added to the remainder of the components of the artificial track material immediately prior to laying the artificial track.
  • the adhesion agent functions first to displace water from around particles of the track forming aggregate material, where present, and then creates weak chemical attachment between the polymer and/or hydrocarbon and the particles of the track forming aggregate material.
  • this material contains a hydrophilic material (such as clay) it is found necessary first to overcome the hydrophilicity of the material. This may be done by utilising the adhesion agent in which case greater quantities are required than is otherwise the case. The quantity is determined by routine experimentation.
  • the amine component of the emulsifying agent can have, at least to some extent, an effect also as an adhesion agent. It is preferred, in order to avoid separate pre-treatment of the artificial track with an adhesion agent, or its blending with the composition of the invention immediately prior to treatment of the artificial track, to select the amine component of the emulsifying agent to maximise it s effect also on an adhesion agent.
  • This invention also provides a process for the preparation of an artificial track, which process comprises mixing a minor amount of the composition as herein described with a major amount of a track forming aggregate material; and applying the mixture to a locus.
  • the invention also provides a process for the stabilization of, or rejuvenation of, an existing artificial track which process comprises applying to the artificial track, for example by spraying, a composition as herein described, so that after breakdown of the emulsion of the blend of the polymer and the hydrocarbon the particles of at least the surface of the artificial track are bound together.
  • the artificial track is suitably an equestrian riding surface; for example, a race track, all-weather gallop or manege. It is particularly preferred that the mixing and/or application is effected at ambient temperature. Suitably, an adhesion agent is present.
  • the invention further provides the use of the composition as herein described in forming an artificial track or in stabilising or rejuvenating existing artificial track; for example, by spraying the emulsion on to a locus comprising the existing artificial track.
  • An application of from 3.5 to 7 wt % (eg. 5 wt%) of the composition of the inventor by weight of the total amount of track forming aggregate material to be treated is generally suitable.
  • An emulsion for an artificial track was prepared by the following method.
  • PROREX 33 a paraffinic process oil available from Mobil Oil Company limited
  • VISCOPOL A an atactic polypropylene blend available from Dussek
  • the mixture was stirred at 100 rpm, while the temperature was maintained at 120°C. After the VISCOPOL A was fully dissolved the temperature was lowered to 90°C. 8g of DIAMINE B11 (a N-alkyl propylene diamine available from Berol Noble) was added to, and dissolved in, the composition, while stirring was continued at 100 rpm. 3g of dicyclohexylamine was subsequently added to, and dissolved in, the composition, while stirring was continued at 100 ⁇ m.
  • DIAMINE B11 a N-alkyl propylene diamine available from Berol Noble
  • composition containing DIAMINE B11 and the dicyclohexylamine was added to the mixture of water and acetic acid.
  • the mixture was stirred at 6000 rpm using a colloid mill.
  • the temperature was maintained at 85°C.
  • the resultant material was an emulsion for an artificial track.
  • it can be mixed with a track forming aggregate material (such as sand), and a binder material (such as mono-rexine), and then laid on the ground, where required; or altematively, it can be laid directly on the ground, then mixed with the track forming material in situ.
  • a track forming aggregate material such as sand
  • a binder material such as mono-rexine

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne une composition pour une piste artificielle. Cette composition comprend un mélange d'un hydrocarbure, en particulier, un alcane, avec un polymère, en particulier, du polypropylène atactique, comme émulsion aqueuse. L'émulsion présente l'avantage de pouvoir être utilisée sans nécessiter de chauffage.
PCT/EP1996/003599 1995-08-19 1996-08-16 Composition pour une piste artificielle WO1997008390A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69245/96A AU6924596A (en) 1995-08-19 1996-08-16 Composition for an artificial track

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9517036.1 1995-08-19
GBGB9517036.1A GB9517036D0 (en) 1995-08-19 1995-08-19 Composition for an artificial track

Publications (1)

Publication Number Publication Date
WO1997008390A1 true WO1997008390A1 (fr) 1997-03-06

Family

ID=10779498

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/003599 WO1997008390A1 (fr) 1995-08-19 1996-08-16 Composition pour une piste artificielle

Country Status (5)

Country Link
AR (1) AR003306A1 (fr)
AU (1) AU6924596A (fr)
GB (2) GB9517036D0 (fr)
WO (1) WO1997008390A1 (fr)
ZA (1) ZA967037B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8968592B1 (en) 2014-04-10 2015-03-03 Soilworks, LLC Dust suppression composition and method of controlling dust
US9068106B1 (en) 2014-04-10 2015-06-30 Soilworks, LLC Dust suppression composition and method of controlling dust
US9434881B1 (en) 2015-08-25 2016-09-06 Soilworks, LLC Synthetic fluids as compaction aids

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001271690A1 (en) 2000-06-29 2002-01-14 Midwest Industrial Supply, Inc. Method of chemical soil stabilization and dust control
NL1016085C2 (nl) * 2000-09-01 2002-03-05 Latexfalt Bv Werkwijze voor het impregneren van zandbedden.
GB0113273D0 (en) * 2001-05-31 2001-07-25 Plasmega Worldwide Ltd Composite material for equestrian sports tracks and the like

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE2604366A1 (de) * 1976-02-05 1977-08-11 Huels Chemische Werke Ag Waessrige emulsionen von plastischen und plastisch-elastischen massen und verfahren zu ihrer herstellung
US4171295A (en) * 1976-10-29 1979-10-16 Chemische Werke Huels Aktiengesellschaft Aqueous emulsions of polyolefins/bitumen plastic or plastic-elastic materials and process for the production thereof
GB2185490A (en) * 1986-01-14 1987-07-22 En Tout Cas Plc Substitute ground surface material

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US3825513A (en) * 1967-12-14 1974-07-23 Phillips Petroleum Co Emulsion bases and emulsions
US3645947A (en) * 1970-06-25 1972-02-29 Phillips Petroleum Co Lactone-diene-vinyl-aromatic terpolymer emulsions
BE795211A (fr) * 1972-02-11 1973-08-09 Phillips Petroleum Co Emulsion pour l'agglomeration de terres ou sols
US3887506A (en) * 1973-10-11 1975-06-03 Terra Perma Inc Process of stabilizing soil and soil additive product
JPS60120763A (ja) * 1983-12-06 1985-06-28 Nippon Oil Co Ltd 粉粒体野外貯蔵物の表面処理剤
US4780233A (en) * 1987-09-04 1988-10-25 Betz Laboratories, Inc. Dust suppression methods and compositions
GB2215731B (en) * 1988-02-09 1992-04-08 Collins Martin Enterprises Exercise areas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604366A1 (de) * 1976-02-05 1977-08-11 Huels Chemische Werke Ag Waessrige emulsionen von plastischen und plastisch-elastischen massen und verfahren zu ihrer herstellung
US4171295A (en) * 1976-10-29 1979-10-16 Chemische Werke Huels Aktiengesellschaft Aqueous emulsions of polyolefins/bitumen plastic or plastic-elastic materials and process for the production thereof
GB2185490A (en) * 1986-01-14 1987-07-22 En Tout Cas Plc Substitute ground surface material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Derwent World Patents Index; Class A, AN 68-38024Q, XP002023163 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8968592B1 (en) 2014-04-10 2015-03-03 Soilworks, LLC Dust suppression composition and method of controlling dust
US9068106B1 (en) 2014-04-10 2015-06-30 Soilworks, LLC Dust suppression composition and method of controlling dust
US9434881B1 (en) 2015-08-25 2016-09-06 Soilworks, LLC Synthetic fluids as compaction aids

Also Published As

Publication number Publication date
ZA967037B (en) 1998-02-19
GB2304348A (en) 1997-03-19
AU6924596A (en) 1997-03-19
GB9617275D0 (en) 1996-09-25
AR003306A1 (es) 1998-07-08
GB9517036D0 (en) 1995-10-25

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