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FR2470782A1 - Floor covering compsn. partic. for sports ground - comprising mixt. of vinyl:acetate! homopolymer and vinyl acetate-alkyl-maleate copolymer dispersion - Google Patents

Floor covering compsn. partic. for sports ground - comprising mixt. of vinyl:acetate! homopolymer and vinyl acetate-alkyl-maleate copolymer dispersion Download PDF

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Publication number
FR2470782A1
FR2470782A1 FR7929932A FR7929932A FR2470782A1 FR 2470782 A1 FR2470782 A1 FR 2470782A1 FR 7929932 A FR7929932 A FR 7929932A FR 7929932 A FR7929932 A FR 7929932A FR 2470782 A1 FR2470782 A1 FR 2470782A1
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FR
France
Prior art keywords
copolymer
homopolymer
vinyl acetate
alkyl
acetate
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7929932A
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French (fr)
Other versions
FR2470782B3 (en
Inventor
Jean-Paul Lepelley
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TEXTONE
Original Assignee
TEXTONE
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Filing date
Publication date
Application filed by TEXTONE filed Critical TEXTONE
Priority to FR7929932A priority Critical patent/FR2470782A1/en
Priority to FR8027581A priority patent/FR2497216A2/en
Publication of FR2470782A1 publication Critical patent/FR2470782A1/en
Application granted granted Critical
Publication of FR2470782B3 publication Critical patent/FR2470782B3/fr
Granted legal-status Critical Current

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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
    • C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09D131/04—Homopolymers or copolymers of vinyl acetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/14—Copolymers of styrene with unsaturated esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L31/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
    • C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C08L31/04—Homopolymers or copolymers of vinyl acetate

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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)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Compsns. for covering floor, partic sports ground, is based on aq. polymer dispersions as binders, inorganic fillers and colourants. The binder is a mixt. of an aq. vinyl acetate homopolymer (I) dispersion and an aq. vinyl acetate lower alkyl maleate copolymer (II) dispersion. The filler has a particle size of 50-200 microns. 1.3-1.7 pts. wt. of the copolymer (II) are used per pt. homopolymer (I) and total wt. of the 2 dispersions is 0.5-2 pts. per 3 pts. of total compsn. The alkyl maleate is n-butyl maleate. The copolymer can be replaced by a highly plasticised styrene/alkyl arylate copolymer. The compsn. gives an impermeable, flexible, regular and uniformly coloured surface and is suitable e.g. for tennis counts.

Description

La présente invention a trait au domaine des revêtements
de terrainsen vue de la réalisation de sols semi-rigides ou souples aptes
à etre utilises notamment comme terrains de jeux ou sports, en-milieu
couvert ou à l'air libre. Elle concerne tout particulièrement de nouvel
les compositions fournissant des enduits imperméables et souples qui
conviennent spécialement, quoique non exclusivement, aux terrains de
jeux de balles ou ballon, comme par exemple des courts de tennis.The present invention relates to the field of coatings
of land for the realization of semi-rigid or flexible suitable soils
to be used in particular as playgrounds or sports, in the middle
covered or outdoors. It particularly concerns new
compositions providing waterproof and flexible coatings which
especially, although not exclusively, suitable for
ball or ball games, such as tennis courts.

On a déjà préconisé ou réalisé, pour la confection de
couches de; surface de routes, et terrains à usages divers (par exemple
sports), divers types de revêtements obtenus par enduction de plusieurs
couches fines de composition polymere sur,une assise de fondation pratiquement rigide.We have already recommended or carried out, for the confection of
layers of; road surface, and land for various uses (for example
sports), various types of coatings obtained by coating several
thin layers of polymer composition on a practically rigid foundation foundation.

La La composition à base,de polymère est généralement cons
tituée par une dispersion aqueuse de matière plastique à laquelle on
incorpore des charges minérales.dites dures c'est-à-dire- aptes à confé
rer au revêtement une bonne résistance à l'écrasement ou à la compres
sien.The composition based on polymer is generally cons
constituted by an aqueous dispersion of plastic material to which
incorporates hard mineral fillers, that is to say, suitable for
give the coating good resistance to crushing or compressing
his.

Parmi ces dispersions aqueuses on a@préconisé des copo
lymères butadiène-styrène, styrène-monomère acrylique, butadiène-styrè
ne-vinylpyridine... en les associant à des charges micronisées, par
exemple à base de silice. Les films obtenus sont cependant généralement
durs, cassants et s'écaillant facilement. En outre, la température rela
tivement élevés de coalescence rend difficile la manipulation et le tra
vail de pose en hiver.Among these aqueous dispersions we have recommended copo
butadiene-styrene lymers, styrene-acrylic monomer, butadiene-styrene
ne-vinylpyridine ... by associating them with micronized fillers, by
example based on silica. The films obtained are however generally
hard, brittle and easily flaking. In addition, the temperature rela
high coalescence makes handling and tra
vail of pose in winter.

Selon une variante, on met en oeuvre comme dispersion
aqueuse de polymere un acétate de polyvinyle. Toutefois, les résultats ne ont pas satisfaisants car là tenue, à l'eau ou ,en milieu humide
n'est pas bonne et les films deviennent trop durs en vieillissant. Par
ailleurs, les formulations de ce type ne peuvent être enduites en épais
seur (pose multicouches) sans risque sérieux de fissurations.According to a variant, use is made as a dispersion
aqueous polymer a polyvinyl acetate. However, the results were not satisfactory because there held, in the water or in a humid environment
is not good and films get too hard as you get older. By
elsewhere, formulations of this type cannot be coated with thick
sor (multi-layer installation) without serious risk of cracking.

Conformément à une autre technique, on a suggéré de met
trie en oeuyre des.dispersions d'acétate de polyvinyle ou,de latex buta
diène--styrène en mélange avec une émulsion de bitume. Outre les diffi
cultes dues à la coloration, ces compositions entraînent divers incon-
vénients dont, en particulier, des phénomènes de ressuages. du bitume
lors de l'exposition du terrain à la chaleur ou, évidemment, dans les
régions de climat habituellement chaud.In accordance with another technique, it was suggested to put
sorts into dispersions of polyvinyl acetate or buta latex
diene - styrene mixed with a bitumen emulsion. Besides the diffi
cults due to coloring, these compositions cause various incon-
vénients including, in particular, phenomena of sweating. bitumen
when the field is exposed to heat or, obviously, in
usually warm climate regions.

On a également proposé la réalisation d'enduits à partir
de coulis à base de résines polyuréthannes. Les revêtements obtenus ont,
certes, une grande' souplesse" mais le coût de réal'is'ation" es"t tres élevé
et souvent prohibitif.It has also been proposed to produce coatings from
grout based on polyurethane resins. The coatings obtained have,
of course, a great deal of flexibility, but the cost of production is very high
and often prohibitive.

Enfin, dans la plupart des compositions utilisées ou préco
nisées jusqu a ce jour, les charges minérales mises en'oeuvre sont rela
tivement grossières (diamètre moyen élevé des grains'ou ou granulats) et les
revêtements obtenus ont une surface peu régulière, de granularité assez
forte et facilement salissante.Finally, in most of the compositions used or previously
nized to date, the mineral charges used are rela
roughly coarse (large average grain diameter or aggregates) and
coatings obtained have an irregular surface, of fairly granularity
strong and easily messy.

Le but de l'invention est de fournir des compositions permet
tant d'échapper aux inconvénients ci-dessus et de réaliser un bon compro
mis pour l''obtention de revêtements impe"rméa"bles, soupirs, a surface ré
gulière et uniformément colorée et de grande résistance à la fissuration.The object of the invention is to provide compositions allowing
so much to escape the above drawbacks and achieve a good compro
used for obtaining impermeable "rméa" coatings, sighs, with a surface
regular and uniformly colored and with great resistance to cracking.

Elle vise également l'obtention de mélanges homogènes de longue conservation avant application, de prix de revient peu élevé et faciles à met
tre en -oeuvre comme enduits à froid.It also aims to obtain homogeneous mixtures with long conservation before application, of low cost price and easy to mix.
be used as cold plaster.

Pour atteindre ces buts, l'invention propose une composi
tion exempte de bitume et qui comprend essentiellement comme liant un
mélange de dispersion aqueuse d'homopolymère d'acétate de vinyle et de
dispersion squeuse de copolymère : acétate de vinyle-maléate d'alcoyle
inférieur. En outre, selon une caractéristique essentielle de l'inven
tion, la charge mise en oeuvre possède une granulométrie dont l'éventail
du diamètre des grains est très resséré, de préférence compris entre 50
et 200 microns.To achieve these goals, the invention provides a composite
bitumen-free and which essentially comprises as a binder a
mixture of aqueous dispersion of vinyl acetate homopolymer and
squous copolymer dispersion: vinyl acetate-alkyl maleate
inferior. Furthermore, according to an essential characteristic of the invention
tion, the load used has a particle size of which the range
the grain diameter is very tight, preferably between 50
and 200 microns.

En pratique, une composition conforme à l'invention rdenferme,
outre le liant précité et la charge pulvérulente fine, des ingrédients
classiques tels que : un ou des oxydes colorants, un agent colloïdal des
tiné à régulariser et faciliter l'enduction, et de l'eau de dilution.In practice, a composition in accordance with the invention contains,
in addition to the above-mentioned binder and the fine powdery filler, ingredients
classics such as: one or more coloring oxides, a colloidal agent of
tiné to regularize and facilitate coating, and dilution water.

Conformément à une réalisation avantageuse, dans le mélange
précité des dispeisions aqueuses, on met en oeuvre 1,3 à 1,7 parties
(poids) du copolymère pour 1 partie d'homopolymère. La quantité totale, en poids, des- dispersions aqueuses représente généralement 0,5 à 2 par
ties pour 3 parties de composition finale prête à l'enduction.In accordance with an advantageous embodiment, in the mixture
above-mentioned aqueous dispeisions, 1.3 to 1.7 parts are used
(weight) of the copolymer for 1 part of homopolymer. The total amount, by weight, of the aqueous dispersions generally represents 0.5 to 2 per
ties for 3 parts of final composition ready for coating.

La-charge minérale peut etre choisie parmi les matériaux con
nus pour cet usage, pourvu qu'elle satisfasse aux critères susvisés de granulométie. il a cependant été constaté qu'un sable siliceux très pro
pre, de faible perte au feu et contenant au moins 98 % de SiO2 convenait
particulièrement bien pour l'obtention d'un revetement peu glissant à
l'état humide et de bel aspect à la finition.The mineral filler can be chosen from among the materials
naked for this use, provided that it meets the aforementioned criteria of particle size. however, it has been found that very pro-silica sand
pre, low loss on ignition and containing at least 98% SiO2 suitable
particularly good for obtaining a slippery coating at
the wet state and beautiful appearance at the finish.

Selon une variante, il est possible de remplacer le copoly
mère acétate de vinyle-maléate d'alcoyle par un copolymère styrène-acryla te d'alcoyle fortement plastifié. On peut ainsi, dans certains cas,améliô-- rer la tenue à l'eau du revêtement après la pose ainsi que le collage en milieu humide, tout en conservant la souplesse nécessaire à l'enduit.According to a variant, it is possible to replace the copoly
mother vinyl acetate-alkyl maleate by a styrene-acrylate copolymer of highly plasticized alkyl. It is thus possible, in certain cases, to improve the water resistance of the coating after laying as well as bonding in a humid environment, while retaining the flexibility necessary for the coating.

Par ailleurs, on peut encore accroître la vitesse de sèchage et la résistance à l'eau en utilisant une dispersion aqueuse d'acé- tate de polyvinyle exempte de colloïde protecteur, contrairement aux dispersions classiques de ce polymère. Furthermore, the drying speed and the water resistance can be further increased by using an aqueous dispersion of polyvinyl acetate free of protective colloid, unlike conventional dispersions of this polymer.

L'invention est illustrée par l'exemple de réalisation non limitatif décrit ci-dessous et correspondant à la réalisation d'un revêtement pour terrain de tennis. The invention is illustrated by the nonlimiting exemplary embodiment described below and corresponding to the production of a coating for tennis courts.

Exemple.Example.

On a confectionné une composition à partir des ingrédients suivants
Composant Parties(en poids) 70(état humide)
Dispersion de copolymère:acétate de vinyle-maléate de n-butyle 60 22,44 dispersion d'acétate de polyvinyle 40 14,95 oxyde colorant(par ex.oxyde de fer) 2 0,75 silice colloïdale 0,5 0,19 charge (sable de silice de 60 à 100 microns) 160 59,80 eau de dilution 5 1,86
Le mélange obtenu était bien.homogène et apte à entre stocké pendant au moins 18 mois en usine avant application sur le terrain, ce qui constitue un appréciable avantage par rapport aux mélanges effectués extemporanément sur chantier.A composition was made from the following ingredients
Component Parts (by weight) 70 (wet)
Dispersion of copolymer: vinyl acetate-n-butyl maleate 60 22.44 dispersion of polyvinyl acetate 40 14.95 coloring oxide (e.g. iron oxide) 2 0.75 colloidal silica 0.5 0.19 filler (silica sand 60 to 100 microns) 160 59.80 dilution water 5 1.86
The mixture obtained was well homogeneous and suitable for being stored for at least 18 months in the factory before application in the field, which constitutes an appreciable advantage compared to the mixtures carried out extemporaneously on site.

Après coalescence, les revêtements obtenus présentaient une bonne souplesse et leur surface, de granularité fine et régulière, était peu salissante et non réfléchissante. La couleur était uniforme, stable et non tSchante, du fait de l'absence de bitume,comme dans de nombreuses compositions de l'art antérieur. After coalescence, the coatings obtained exhibited good flexibility and their surface, of fine and regular granularity, was not very dirty and non-reflective. The color was uniform, stable and not tSchante, due to the absence of bitumen, as in many compositions of the prior art.

Par ailleurs, les revêtements possèdaient une excellente résistance à la fissuration, même pour des épaisseurs très faibles, par exemple après 2 à 3 couches d'enduits de lmm ce qui permet de réaliser un gain appréciable en matière première et eW temps de travail sur chantier. In addition, the coatings had excellent resistance to cracking, even for very small thicknesses, for example after 2 to 3 layers of plaster of lmm which allows an appreciable gain in raw material and eW working time on site .

Comme dit ci-dessus, on a pu améliorer encore la tenue à l!eau de pluie et raccourcir le temps de sèchage en supprimant le col loade protecteur habituellement présent dans lthomopolymère de l'acétate de vinyle.  As mentioned above, it has been possible to further improve the resistance to rainwater and shorten the drying time by eliminating the protective load collar usually present in the vinyl acetate homopolymer.

Outre l'application aux terrains de tennis, les compositions conformes à l'invention conviennent à tous autres usages pour lesquels on recherche des revêtements imperméables, souples et résistant bien à la compression, comme par exemple tous terrains de jeux et de sports, à l'air libre ou sous bâtiment couvert.  In addition to the application to tennis courts, the compositions in accordance with the invention are suitable for all other uses for which waterproof, flexible and compression-resistant coatings are sought, such as for example all playgrounds and sports grounds, for example. outdoors or under a covered building.

Claims (5)

REVENDICATIONS 1. Compositions pour revêtements de sols, notamment de terrains de jeux et de sports, à base de dispersions aqueuses de polymères comme liants, de charges minérales et de matériaux colorants, caractérisées en ce que le liant est constitué par un mélange de dispersion aqueuse dthomopolymère d'acétate de vinyle et de dispersion aqueuse de copolymère : acétate de vinyle-maléate d'alcoyle inférieur et en ce que la charge minérale pulvérulente a des diamètres de grains compris entre 50 et 200 microns. 1. Compositions for floor coverings, in particular for playgrounds and sports grounds, based on aqueous dispersions of polymers as binders, inorganic fillers and coloring materials, characterized in that the binder consists of a mixture of aqueous dispersion of homopolymer of vinyl acetate and of aqueous dispersion of the copolymer: vinyl acetate-lower alkyl maleate and in that the pulverulent mineral filler has grain diameters of between 50 and 200 microns. 2. Compositions selon la revendication 1, caractérisée en ce que l'on met en oeuvre 1,3 à 1,7 parties en poids dudit copolymère pour 1 partie en poids d'homopolymère,, le total pondéral des deux dispersions aqueuses représentant 0,5 à 2 parties pour 3 parties de composition to- tale. 2. Compositions according to claim 1, characterized in that 1.3 to 1.7 parts by weight of said copolymer are used for 1 part by weight of homopolymer, the total weight of the two aqueous dispersions representing 0, 5 to 2 parts for 3 parts of total composition. 3. Compositions selon l'une quelconque des revendications 1 ou 2, caractérisées en ce que la charge minérale fine est constituée par un sable siliceux ayant une teneur d'au moins 98 % en SiO2. 3. Compositions according to any one of claims 1 or 2, characterized in that the fine mineral filler consists of silica sand having a content of at least 98% of SiO2. 4. Compositions selon l'une quelconque des revendications 1 à 3, caractérisées en ce que le maléate d'alcoyle est constitué par du maléate de n-butyle. 4. Compositions according to any one of claims 1 to 3, characterized in that the alkyl maleate consists of n-butyl maleate. 5. Compositions selon l'une quelconque des revendications 1 à 4, caractérisées en ce que le copolymère acétate de vinyle-maléate d'alcoyle est remplacé par un copolymère styrène-acrylate d'alcoyle fortement plastifié.  5. Compositions according to any one of claims 1 to 4, characterized in that the vinyl acetate-alkyl maleate copolymer is replaced by a styrene-alkyl acrylate copolymer highly plasticized.
FR7929932A 1979-12-06 1979-12-06 Floor covering compsn. partic. for sports ground - comprising mixt. of vinyl:acetate! homopolymer and vinyl acetate-alkyl-maleate copolymer dispersion Granted FR2470782A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7929932A FR2470782A1 (en) 1979-12-06 1979-12-06 Floor covering compsn. partic. for sports ground - comprising mixt. of vinyl:acetate! homopolymer and vinyl acetate-alkyl-maleate copolymer dispersion
FR8027581A FR2497216A2 (en) 1979-12-06 1980-12-26 Ground covering contg. polyvinyl acetate - and vinyl acetate-alkyl maleate copolymer dispersions, for games or sports field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7929932A FR2470782A1 (en) 1979-12-06 1979-12-06 Floor covering compsn. partic. for sports ground - comprising mixt. of vinyl:acetate! homopolymer and vinyl acetate-alkyl-maleate copolymer dispersion

Publications (2)

Publication Number Publication Date
FR2470782A1 true FR2470782A1 (en) 1981-06-12
FR2470782B3 FR2470782B3 (en) 1982-07-30

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Application Number Title Priority Date Filing Date
FR7929932A Granted FR2470782A1 (en) 1979-12-06 1979-12-06 Floor covering compsn. partic. for sports ground - comprising mixt. of vinyl:acetate! homopolymer and vinyl acetate-alkyl-maleate copolymer dispersion

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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564712A1 (en) * 1992-04-02 1993-10-13 Marburger Tapetenfabrik J.B. Schaefer Gmbh & Co. Kg Process for the preparation of three-dimensional structured surface coatings for wall and floor areas and paste therefor
FR2807078A1 (en) 2000-03-29 2001-10-05 Envirosport Artificial playing surface e.g. for tennis court has expanded polymer base layer, two layers of timber boards, and sand-filled resin surface
FR3077828A1 (en) * 2018-02-14 2019-08-16 Coformex COMPOSITION FOR SPORTS SURFACE, IN PARTICULAR EQUESTRIAN SPORTS, AND METHOD OF MANUFACTURING SUCH COMPOSITION

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564712A1 (en) * 1992-04-02 1993-10-13 Marburger Tapetenfabrik J.B. Schaefer Gmbh & Co. Kg Process for the preparation of three-dimensional structured surface coatings for wall and floor areas and paste therefor
FR2807078A1 (en) 2000-03-29 2001-10-05 Envirosport Artificial playing surface e.g. for tennis court has expanded polymer base layer, two layers of timber boards, and sand-filled resin surface
FR3077828A1 (en) * 2018-02-14 2019-08-16 Coformex COMPOSITION FOR SPORTS SURFACE, IN PARTICULAR EQUESTRIAN SPORTS, AND METHOD OF MANUFACTURING SUCH COMPOSITION
WO2019158851A1 (en) 2018-02-14 2019-08-22 Coformex Composition for a sports surface, in particular for an equestrian sport, and method for producing such a composition
CN111770906A (en) * 2018-02-14 2020-10-13 科福梅克斯公司 Compositions for sports surfaces, especially equestrian sports surfaces, and methods for preparing such compositions

Also Published As

Publication number Publication date
FR2470782B3 (en) 1982-07-30

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