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EP1941103A1 - Pelouse synthétique, en particulier terrain de sport en pelouse synthétique - Google Patents

Pelouse synthétique, en particulier terrain de sport en pelouse synthétique

Info

Publication number
EP1941103A1
EP1941103A1 EP06799513A EP06799513A EP1941103A1 EP 1941103 A1 EP1941103 A1 EP 1941103A1 EP 06799513 A EP06799513 A EP 06799513A EP 06799513 A EP06799513 A EP 06799513A EP 1941103 A1 EP1941103 A1 EP 1941103A1
Authority
EP
European Patent Office
Prior art keywords
artificial
additives
artificial lawn
colour change
lawn according
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.)
Withdrawn
Application number
EP06799513A
Other languages
German (de)
English (en)
Inventor
Frederik Jan Van Der Gaag
Geurt Bastiaan Slootweg
Marinus Hendrikus Olde Weghuis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ten Cate Thiolon BV
Original Assignee
Ten Cate Thiolon BV
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 Ten Cate Thiolon BV filed Critical Ten Cate Thiolon BV
Publication of EP1941103A1 publication Critical patent/EP1941103A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/04—Pigments
    • 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
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds

Definitions

  • the invention relates to an artificial lawn, in particular an artificial grass sports field, comprising a substrate to which artificial grass fibres provided with additives are attached, which additives undergo a colour change in response to an external stimulus.
  • Such artificial lawns and synthetic fibres are widely used at present, for example as a base for sports fields and in stadiums and also as an artificial grass base for embankment and dyke stabilisation.
  • the synthetic fibre is usually made in one colour, viz. green, so as to make it resemble natural grass as much as possible.
  • fibres of another colour may be worked into such an artificial lawn, for example to show an image or other artistic expression or form the lines in an artificial grass sports field.
  • the artificial lawns that are currently being used have been designed and installed for a single (sports) application, whilst in addition it is not allowed in certain sports (such as soccer) to have an image or other artistic expression show up in the field.
  • any images or artistic expressions are currently formed on the field (and on the artificial grass fibres) by means of paint.
  • the extent to which the paint adheres to the fibre is limited, however, as a result of which the colours fade with the passage of time, so that the image must be formed anew after some time.
  • the object of the invention is to overcome these drawbacks and to provide a more multifunctional artificial lawn as referred to in the introductory paragraph which is capable of displaying a range of colours in a simpler and more effective manner.
  • the artificial grass fibres provided with an additive are attached to the substrate in the form of various groups of artificial grass fibres, each provided with a specific additive, wherein each specific additive of a group of artificial grass fibres undergoes a colour change in response to a specific external stimulus.
  • each group of artificial grass fibres provided with a specific additive is arranged on the substrate in a specific pattern, which specific pattern may optionally correspond to the pattern of lines of a specific sport to be practised on the artificial lawn.
  • the colour change is reversible, so that the effect can occur several times and the fibre will thus retain its functionality for long period of time.
  • Artificial lawns comprising such synthetic fibres thus have a wider range of applications, as a multifunctional lawn is realised in this way.
  • the additives may undergo the colour change under the influence of a mechanical load, whilst in another embodiment the additives undergo the colour change under the influence of a thermal load.
  • the additives may undergo the colour change under the influence of light, wherein the additives furthermore undergo the colour change under the influence of a changing angle of incidence of the light.
  • the additives are at least partially externally applied to the synthetic fibre, whilst in another embodiment the additives are at least partially incorporated in the synthetic fibre.
  • the additives may comprise a pigment, which pigment may successively be a thermochromic, a fluorescent, a phosphorescent, a pearlescent, a pH-sensitive or an electrochromic pigment. These pigments are referred to as effect pigments.
  • Figure 1 shows an embodiment of an artificial lawn provided with synthetic fibres according to the invention
  • FIG. 2 shows another embodiment of an artificial lawn provided with synthetic fibres according to the invention.
  • Figures 1 and 2 show a few embodiments of an artificial lawn in which a synthetic fibre according to the invention can be used.
  • the artificial lawn comprises a substrate or carrier 1 , to which several synthetic fibres 2 are attached at the locations indicated at 3, for example by tufting.
  • the extruded synthetic fibre 2 may be attached to the substrate either individually or in the form of a bundle of (for example twined) fibres 2a-2c.
  • the synthetic fibre according to the invention may be a monofilament.
  • several monofilaments may be twined to form a bundle, after which each bundle is attached to the substrate 1.
  • the substrate has an open structure and is composed of a grid of supporting yarns 1 a-1 b, to which the synthetic fibres 2 are attached.
  • the synthetic fibres 2 are provided with additives that undergo a colour change under the influence of an external stimulus. More specifically, said colour change is reversible.
  • the additives may undergo the colour change under the influence of light.
  • the synthetic fibre according to the invention is used in an artificial grass sports field, for example, several line patterns may be provided (in dependence on the various sports that can be practised on the field), which line patterns are each provided in the sports field by using one specific additive for each respective type of sport, which additive will undergo a colour change under the influence of light having a specific wavelength.
  • a line pattern that is desired at a particular moment can be created in dependence on the lighting of the sports field by using a suitable additive.
  • Such an artificial grass sports field is depicted in Figure 3 with reference numeral 10.
  • the artificial grass sports field is built up according to for example the construction shown in Figure 1 or 2, that is consisting of a substrate 1 to which synthetic fibres 2 are attached.
  • this artificial grass sports field 10 are two different line patterns 1 1 (for soccer) and 12 (for field hockey) present.
  • Each line pattern is formed by additional groups of synthetic fibres 2 1 and 2" respectively.
  • Each additional group of synthetic fibres 2' and 2" respectively is provided according to the invention with a specific additive for said group.
  • Each additive of one of the groups synthetic fibres 2'-2" undergoes a colour change under the influence of a specific external stimulus which is specific for said additive, which specific external stimulus differs from the specific external stimulus of the additive of the other one of the groups synthetic fibres 2'-2".
  • the colour of the different groups synthetic fibres 2'-2" can be for example standard green, which colour changes into white (or yellow or another striking colours) once the specific group synthetic fibres is subjected to a specific external stimulus, which is specific for the additive present in these fibres. Since the colour change is preferably reversible under the influence of an external stimulus (in this case by being illuminated with light having a specific frequency), the colour change will be reversed when said external stimulus (the light having the specific frequency) is removed, and the synthetic fibre will return to its original standard appearance. Since the colour change is reversible, it can be realised time and again.
  • the external stimulus can be a heat stimulus, wherein each different additive corresponding with a certain group of synthetic fibres 2'-2" undergoes the colour change at a certain, different temperature.
  • the colour change can be realised under the influence of a thermal load, which is very suitable for use in artificial grass sports fields on which contact sports are practised.
  • a thermal load which is very suitable for use in artificial grass sports fields on which contact sports are practised.
  • the additives as described herein can be applied to or incorporated in the synthetic fibre in various ways, for example during the extrusion process, whether or not prior to or after possible stretching of the synthetic fibre.
  • a phosphorescent pigment used as the colour-changing additive
  • about 10 wt.% of phosphorescent pigment, usually referred to as Lumilux green can be added to the raw material PE (polyethylene) besides the usual additives, for example during extrusion of the synthetic fibre.
  • PE polyethylene
  • the addition of said colour-changing additive to the extrusion material from which the synthetic fibre is extruded results in an effective afterglowing effect in conditions in which the light intensity is low low (twilight, evening or night).

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

L’invention concerne une pelouse synthétique, en particulier un terrain de sport en pelouse synthétique, comprenant un substrat auquel sont fixées des fibres d’herbe synthétique pourvues d’additifs, lesdits additifs subissant un changement de couleur en réaction à un stimulus externe. L’objet de l’invention consiste à fournir une pelouse synthétique telle que mentionnée dans le paragraphe d’introduction et capable d’afficher une gamme de couleurs de manière plus simple et plus efficace. Selon l’invention, les fibres d'herbe synthétique pourvues d’un additif sont fixées au substrat sous forme de divers groupes de fibres d’herbe synthétique, chacun muni d’un additif spécifique, chaque additif spécifique d’un groupe de fibres d’herbe synthétique subissant un changement de couleur en réaction à un stimulus externe spécifique. On obtient de cette manière une pelouse synthétique plus versatile, que l’on peut utiliser pour diverses applications, un nouveau groupe de fibres d’herbe synthétique pouvant être activé pour réaliser le changement de couleur en utilisant à chaque fois un stimulus externe spécifique différent.
EP06799513A 2005-10-25 2006-10-17 Pelouse synthétique, en particulier terrain de sport en pelouse synthétique Withdrawn EP1941103A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1030262A NL1030262C2 (nl) 2005-10-25 2005-10-25 Kunststofvezel voor toepassing in een kunstgrasveld, in het bijzonder een kunstgrassportveld, een kunstgrasveld voorzien van een dergelijke kunststofvezel en een werkwijze voor het vervaardigen van een dergelijke kunststofvezel.
PCT/NL2006/000524 WO2007049953A1 (fr) 2005-10-25 2006-10-17 Pelouse synthétique, en particulier terrain de sport en pelouse synthétique

Publications (1)

Publication Number Publication Date
EP1941103A1 true EP1941103A1 (fr) 2008-07-09

Family

ID=36577430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06799513A Withdrawn EP1941103A1 (fr) 2005-10-25 2006-10-17 Pelouse synthétique, en particulier terrain de sport en pelouse synthétique

Country Status (4)

Country Link
US (1) US20090252899A1 (fr)
EP (1) EP1941103A1 (fr)
NL (1) NL1030262C2 (fr)
WO (1) WO2007049953A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039830A1 (fr) * 2007-09-22 2009-03-25 Bonar Yarns & Fabrics, Ltd. Gazon artificiel frais
CN101187083B (zh) * 2007-12-04 2010-06-09 华东理工大学 一种芳香人造草坪纤维及其制备方法
US20140270992A1 (en) * 2013-03-13 2014-09-18 Michael Ayers Method for installing synthetic ground cover with infill
NL2011974B1 (nl) * 2013-12-17 2015-10-27 Brouwer Sander Garen voor kunstgras of tapijt, kunstgras en werkwijze voor de vervaardiging daarvan.
EP3106552A1 (fr) * 2015-06-16 2016-12-21 All Season Grass B.V. Fil pour gazon artificiel, gazon artificiel, champ de gazon artificiel et utilisation et procédé correspondant
LU93337B1 (en) * 2016-12-06 2018-07-03 Abu Al Rubb Khalil Mahmoud Playing Court
US20210038962A1 (en) * 2018-03-30 2021-02-11 Brian Carr Golf practice mat with virtual divot feature
FI128620B (en) * 2018-08-06 2020-08-31 Saltex Oy Artificial grass
CN109267448B (zh) * 2018-11-16 2023-12-08 江苏共创人造草坪股份有限公司 一种可逆光敏变色人造草坪及其制备方法
US20220134214A1 (en) * 2020-10-30 2022-05-05 Shalinder Gupta Game-court-surface projector

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US3872050A (en) * 1972-07-19 1975-03-18 William J Benton Polyurethane liquid crystal dispersion system and devices
JPS5240641A (en) * 1975-09-23 1977-03-29 Shibanai Ichiro Method of producing color varying yarn
JPH07579A (ja) * 1993-06-18 1995-01-06 Taiji Ibayashi ゴルフ練習用マット
US5932309A (en) * 1995-09-28 1999-08-03 Alliedsignal Inc. Colored articles and compositions and methods for their fabrication
JPH09111531A (ja) * 1995-10-13 1997-04-28 N S Corp:Kk 光る人工糸、ロープ、ネット、ループ状及び直毛状芝生の製法
NL1015451C2 (nl) * 2000-06-15 2001-12-19 Ten Cate Nicolon B V Kunstgrasmat voor sportvelden.
US20020091011A1 (en) * 2000-11-29 2002-07-11 Sosin Howard B. Impact and roll measurement device
CA2436914C (fr) * 2000-11-30 2013-01-22 Avturf L.L.C. Systeme de securite pour aeroports et aerodromes
US6620482B2 (en) * 2000-11-30 2003-09-16 Avturf Llc Safety system for airports and airfields
JP4820019B2 (ja) * 2001-06-01 2011-11-24 ダイヤテックス株式会社 蛍光発光性長尺体、標識体及び人工芝状体
EP1378592A1 (fr) * 2002-07-01 2004-01-07 Ten Cate Thiolon B.V. Fibre artificielle et gazon artificiel préparé à partir de celle-ci

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007049953A1 *

Also Published As

Publication number Publication date
WO2007049953A1 (fr) 2007-05-03
NL1030262C2 (nl) 2007-04-26
US20090252899A1 (en) 2009-10-08

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