EP1983103B1 - Gazon artificiel - Google Patents

Gazon artificiel Download PDF

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Publication number
EP1983103B1
EP1983103B1 EP07007944.7A EP07007944A EP1983103B1 EP 1983103 B1 EP1983103 B1 EP 1983103B1 EP 07007944 A EP07007944 A EP 07007944A EP 1983103 B1 EP1983103 B1 EP 1983103B1
Authority
EP
European Patent Office
Prior art keywords
plastic component
artificial turf
core
cross
polyamide
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.)
Not-in-force
Application number
EP07007944.7A
Other languages
German (de)
English (en)
Other versions
EP1983103A1 (fr
Inventor
Jürgen Dipl.-Ing. Morton-Finger
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.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
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 Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority to EP07007944.7A priority Critical patent/EP1983103B1/fr
Priority to CA2629005A priority patent/CA2629005C/fr
Priority to US12/104,483 priority patent/US20080260975A1/en
Publication of EP1983103A1 publication Critical patent/EP1983103A1/fr
Application granted granted Critical
Publication of EP1983103B1 publication Critical patent/EP1983103B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent

Definitions

  • the invention relates to an artificial turf, in particular for sports fields and gardens with a plurality of blades made of plastic, wherein the blades are formed of a plurality of components and wherein said plurality of components have a core-shell structure.
  • Artificial turf surfaces of the aforementioned type are known from practice in various embodiments.
  • the culms of the known embodiments are usually made of plastic, wherein in particular plastic mixtures are used.
  • the artificial turf should fulfill as many requirements as possible.
  • the artificial turf should not cause any injuries to the skin or produce any unpleasant sensation on the skin in the event of intensive contact with the human skin, for example when athletes fall.
  • the artificial grass should also ensure sufficient damping.
  • the previously known types of artificial turf have the disadvantage that they can not normally meet all the above requirements equally or equally satisfactorily.
  • a known artificial turf is designed so that as long as possible a trouble-free re-erecting of the stalks after mechanical action takes place, this is usually at the expense of the skin compatibility of the artificial turf. In other words, intense friction of the human skin on this artificial turf may result in injury or burns to the skin.
  • the synthetic turf is designed to be well tolerated by the skin, this is usually at the expense of long-term, beneficial rebuilding of the stalks.
  • the achieved attenuation leaves much to be desired in the known artificial turf types. As a result, the known artificial turf types do not normally meet all requirements and are therefore in need of improvement.
  • WO 2006/068476 A is an artificial turf known whose stems consist of two different layers of plastic. These plastic layers may be arranged in a core-shell configuration. To protect against delamination, a compatibilizer or an adhesion promoter is added to the components for the two layers. This is intended to improve the adhesion of the layers within the stalks. Before the production of straws here thus a complex mixing of the mechanical properties of determining components with the bonding agent is required. Even this artificial turf is thus able to be improved.
  • the invention is based on the technical problem to provide an artificial turf of the type mentioned above, which in particular has optimal skin compatibility, in the nonetheless a long-term reservible re-erecting of the stalks after mechanical loading is possible, and in which the disadvantages described above can be avoided.
  • the invention teaches an artificial turf, in particular for sports fields and gardens with a plurality of blades made of thermoplastic material, wherein the blades are formed from multi-component filaments, which are multi-component filaments spun from a gland, wherein a first plastic component forms part of the cross section of a straw and at least substantially over the length of the straw wherein a second plastic component forms part of the cross section of a straw and extends at least substantially over the length of the straw, and wherein a third plastic component forms part of the cross section of a straw and extends at least substantially over the length of the straw, wherein the multi-component filaments have a core-shell structure, wherein the first plastic component forms the shell and the second plastic component forms the core of the multi-component filament and wherein the third plastic component is disposed between the core and the shell.
  • multi-component filaments which are multi-component filaments spun from a gland
  • a first plastic component forms part of the cross section of a straw and at least substantially over the length of the straw
  • the first plastic component and the second plastic component are different from each other.
  • the first plastic component extends and / or the second plastic component extends over the entire length of the straw.
  • a third plastic component forms part of the cross section of a straw and extends at least substantially over the length of the straw .
  • the third Kuns fuel component is disposed in the multi-component filament between the first plastic component and the second plastic component.
  • the third plastic component extends over the entire length of a straw.
  • the third plastic component in the multi-component filament at least partially and preferably completely separates the first plastic component from the second plastic component.
  • the multicomponent filaments for the blades are tricomponent filaments of the first, the second and the third plastic component.
  • the third plastic component expediently acts as a bonding agent between the first plastic component and the second plastic component.
  • the multicomponent filaments have a core / sheath structure (core / sheet), wherein the first plastic component forms the sheath of the multicomponent filament and wherein the second plastic component forms the core of the multicomponent filament.
  • the third plastic component is disposed between the shell (first plastic component) and the core (second plastic component) and it is recommended that the core at least partially surrounds and preferably completely surrounds the core. This means that due to the interposed third plastic component, there is preferably essentially no direct contact or no direct contact between the core and the jacket.
  • the third plastic component expediently acts as a bonding agent between shell (first plastic component) and core (second plastic component).
  • the multicomponent filaments are spun from a spinneret.
  • the spinneret is expediently supplied with the individual plastic components from extruders.
  • the Mehrkomponentenfilrait be cut in suitable lengths for the stalks according to the invention.
  • cooling takes place, preferably in a water bath.
  • stretching in particular mechanical stretching of the filaments and then expediently fixation of the filaments.
  • the filaments are cut to the neck lengths or straws.
  • the filaments or monofilaments are first attached by tufts to the base layer and then cut.
  • the first plastic component is a polyolefin, preferably a polyethylene.
  • the polyolefin, preferably polyethylene forms according to highly recommended embodiment of the invention, the sheath component of the multi-component filament core-sheath structure.
  • the polyethylene used is LLDPE (linear low-density polyethylene). This polyethylene has proven particularly useful in the invention.
  • the polyolefin, preferably polyethylene, particularly preferably LLDPE may in particular contain additives with UV-reflecting action and / or additives with antibacterial effect and / or additives in the form of fungicides.
  • the second plastic component is a polyamide or a polyester.
  • the polyester polybutylene terephthalate (PBT) may preferably be used.
  • the second plastic component is a polyamide.
  • the polyamide forms the core of the multicomponent filaments in core-shell structure.
  • a recommended embodiment of the invention is characterized in that the second plastic component is a polyamide from the group "polyamide 6, polyamide 6.6, polyamide 6.12, polyamide 6.10". Particularly preferred is the use of polyamide 6 as a second plastic component, preferably as a core component of the multi-component filament in core-shell structure.
  • the third plastic component is a plastic which acts as a bonding agent between the first plastic component (shell component) and the second plastic component (core component).
  • the skilled person is generally aware of plastics which can act as adhesion promoters, in particular between a polyolefin and a polyamide.
  • the third plastic component is a copolymer polyamide / polyolefin, preferably a copolymer polyamide / polyethylene.
  • the third plastic component used is a polyolefin modified with a maleic acid derivative, advantageously with maleic anhydride.
  • the modified polyolefin is preferably modified polyethylene or polypropylene.
  • the multicomponent filaments have 5 to 50%, preferably 10 to 45% and preferably 10 to 40% of the first plastic component, based on their cross-section or on their cross-sectional area.
  • the above information is the percentage area fraction occupied by the first plastic component with respect to the cross-sectional area of a multi-component filament.
  • the abovementioned first plastic component is the sheath component of the multicomponent filament in the core-sheath structure, which is preferably composed of polyolefin, very preferably polyethylene and particularly preferably LLDPE.
  • the multi-component filaments based on their cross-section (cross-sectional area) from 3 to 20%, preferably 5 to 20% and preferably 5 to 15% of the third plastic component.
  • the third plastic component is disposed between the sheath component (first plastic component) and the core component (second plastic component) of a multi-component filament in a core-sheath structure.
  • the third plastic component in this core-shell structure forms as it were the inner shell between the outer shell (first plastic component) and the core (second plastic component).
  • the multi-component filaments based on their cross-section (cross-sectional area) 30 to 93%, preferably 30 to 85% and preferably 35 to 80% of the second plastic component on.
  • the second plastic component is expediently the main constituent of the multicomponent filaments, which preferably occupies more than 40%, preferably more than 45%, of the cross-sectional area with respect to the cross-sectional area.
  • the abovementioned second plastic component is preferably the core component of the multicomponent filament in the core-shell structure, which is preferably composed of polyamide and very preferably of polyamide 6.
  • a preferred embodiment of the invention is characterized in that the core of the multi-component filaments in the core-shell structure has hollow chambers.
  • the hollow chambers may expediently be designed as hollow channels passing through the core.
  • the use of multi-component filaments with such hollow chambers in the core has proven particularly useful.
  • the hollow chambers advantageously make it possible to absorb water in the multi-component filaments or in the blades of the synthetic turf.
  • the Fig. 1 shows a portion of an artificial turf according to the invention of a plurality of stalks 1, which are fixed to a base layer 2.
  • the multi-component filaments according to the invention are used as monofilaments, which then form the blades 1.
  • a straw 1 corresponds to a multi-component filament or a portion of a multi-component filament according to the invention.
  • several of the multicomponent filaments according to the invention can be combined or joined to form a straw.
  • the Fig. 2 shows the attachment of the multi-component filaments or the blades 1 to the base layer 2.
  • the base layer 2 may be in particular a suitable tissue.
  • This fabric is suitably made of a polyolefin, preferably polypropylene or polyethylene.
  • the blades 1 or multi-component filaments are preferably attached to the base layer 2 by tufts.
  • Fig. 2 is the dash-dotted line, the filling of the spaces between the stalks 1 with a damping material 3 has been indicated.
  • Fig. 3 shows a cross section through a straw 1 according to the invention or by a multi-component filament according to the invention.
  • the blades 1 or Mehrkomponentenfilêt are executed here and according to a preferred embodiment of the invention in core-shell structure.
  • the jacket 4 is in the embodiment of polyethylene, preferably made of LLDPE (first plastic component).
  • the core 5 is preferably and in the embodiment of polyamide, very preferably polyamide 6.
  • a layer of a third plastic component which preferably consists of a copolymer of polyamide and polyethylene. From this, an inner shell 6 is formed, which completely surrounds the core 5 and acts as a bonding agent between shell 4 and core 5.
  • the second plastic component or core component forms the main constituent of the multicomponent filament and preferably occupies at least 35%, preferably at least 40% area fraction in relation to the cross-sectional area.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Multicomponent Fibers (AREA)
  • Road Paving Structures (AREA)

Claims (9)

  1. Gazon synthétique, en particulier pour terrains de sport et jardins, comprenant une multitude de brins (1) synthétiques, les brins (1) étant composés de filaments multicomposants, sachant qu'il s'agit de filaments multicomposants filés par une filière,
    un premier composant synthétique formant une partie de la section transversale d'un brin (1) et s'étendant au moins sensiblement sur la longueur du brin (1), un second composant synthétique formant une partie de la section transversale d'un brin (1) et s'étendant au moins sensiblement sur la longueur du brin (1) et un troisième composant synthétique formant une partie de la section transversale d'un brin (1) et s'étendant au moins sensiblement sur la longueur du brin (1),
    les filaments multicomposants ayant une structure à noyau et enveloppe, le premier composant synthétique formant l'enveloppe et le second premier composant synthétique formant le noyau du filament multicomposants et le troisième composant synthétique étant disposé entre le noyau et l'enveloppe.
  2. Gazon synthétique selon la revendication 1, dans lequel le premier composant synthétique est de la polyoléfine, de préférence du polyéthylène et très préférentiellement du LLDPE.
  3. Gazon synthétique selon une des revendications 1 ou 2, dans lequel le second composant synthétique est un polyamide ou un polyester.
  4. Gazon synthétique selon la revendication 3, dans lequel le second composant synthétique fait partie du groupe « polyamide 6, polyamide 6.6, polyamide 6.12, polyamide 6.10 ».
  5. Gazon synthétique selon une des revendications 1 à 4, dans lequel le troisième composant synthétique fait partie du groupe « copolymère polyamide/polyoléfine avec dérivé d'acide malique de polyoléfine modifiée ».
  6. Gazon synthétique selon une des revendications 1 à 5, dans lequel les filaments multicomposants, par rapport à leur section transversale ou surface de section transversale, contiennent 5 à 50 %, de préférence 10 à 45 % et préférentiellement 10 à 40 % de premier composant synthétique.
  7. Gazon synthétique selon une des revendications 1 à 6, dans lequel les filaments multicomposants, par rapport à leur section transversale ou surface de section transversale, contiennent 3 à 20 %, de préférence 5 à 20 % et préférentiellement 5 à 15 % de troisième composant synthétique.
  8. Gazon synthétique selon une des revendications 1 à 7, dans lequel les filaments multicomposants, par rapport à leur section transversale ou surface de section transversale, contiennent 30 à 93 %, de préférence 30 à 85 % et préférentiellement 35 à 80 % de second composant synthétique.
  9. Gazon synthétique selon une des revendications 1 à 8, dans lequel le noyau (5) des filaments multicomposants présente des cellules creuses dans sa structure à noyau et enveloppe.
EP07007944.7A 2007-04-19 2007-04-19 Gazon artificiel Not-in-force EP1983103B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07007944.7A EP1983103B1 (fr) 2007-04-19 2007-04-19 Gazon artificiel
CA2629005A CA2629005C (fr) 2007-04-19 2008-04-09 Gazon artificiel
US12/104,483 US20080260975A1 (en) 2007-04-19 2008-04-17 Artificial turf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07007944.7A EP1983103B1 (fr) 2007-04-19 2007-04-19 Gazon artificiel

Publications (2)

Publication Number Publication Date
EP1983103A1 EP1983103A1 (fr) 2008-10-22
EP1983103B1 true EP1983103B1 (fr) 2014-02-19

Family

ID=38514111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07007944.7A Not-in-force EP1983103B1 (fr) 2007-04-19 2007-04-19 Gazon artificiel

Country Status (3)

Country Link
US (1) US20080260975A1 (fr)
EP (1) EP1983103B1 (fr)
CA (1) CA2629005C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2341896T3 (es) * 2007-04-19 2010-06-29 MOTECH GMBH TECHNOLOGY & SYSTEMS Cesped artificial.
WO2010075098A1 (fr) 2008-12-15 2010-07-01 Textile Management Associates, Inc. Procédé de recyclage de gazon synthétique et produit de remplissage
WO2012058555A2 (fr) * 2010-10-29 2012-05-03 The Quantum Group, Inc. Systèmes de gazon artificiel et applications associées
CA2832986C (fr) * 2011-06-01 2014-12-09 Textile Rubber & Chemical Company, Inc. Procede pour recycler un gazon synthetique et produit
US9855682B2 (en) 2011-06-10 2018-01-02 Columbia Insurance Company Methods of recycling synthetic turf, methods of using reclaimed synthetic turf, and products comprising same
USD874331S1 (en) * 2018-03-26 2020-02-04 Michael C Schlichting Inflatable block covering
CN108951360A (zh) * 2018-09-18 2018-12-07 张家港翔盛塑业科技有限公司 散热型中空人造草丝
IT202000018643A1 (it) * 2020-07-30 2022-01-30 Italgreen S P A Filamento per la realizzazione di un manto in erba artificiale
US20240164263A1 (en) * 2022-11-22 2024-05-23 Carey Widder Three-dimensional ground vegetation reinforcement structure with concomitant plant starting material.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940522A (en) * 1971-05-27 1976-02-24 E. I. Du Pont De Nemours And Company Synthetic fibers and pile fabrics made therefrom
US5904982A (en) * 1997-01-10 1999-05-18 Basf Corporation Hollow bicomponent filaments and methods of making same
DE19822542C1 (de) * 1998-05-20 1999-12-02 Claus G Matthias Kunstrasen mit hohlen Halmen
EP1739233B1 (fr) * 2003-05-28 2010-03-03 Lankhorst Pure Composites B.V. Fil pour revêtement destiné à un gazon artificiel, revêtement destiné à un gazon artificiel ou un terrain de jeu comprenant ce fil
WO2005003462A1 (fr) * 2003-07-03 2005-01-13 Inventress B.V. Gazon artificiel comprenant des tubes capillaires
WO2005005730A1 (fr) * 2003-07-14 2005-01-20 Mattex Leisure Industries Filament de gazon artificiel et systeme de gazon artificiel
NL1026239C2 (nl) * 2004-05-19 2005-11-22 Ten Cate Thiolon Bv Werkwijze voor het vervaardigen van een kunststofvezel voor toepassing in een kunstgrassportveld alsmede een dergelijke kunststofvezel.
NL1027878C2 (nl) * 2004-12-24 2006-06-27 Desseaux H Tapijtfab Kunstgras opgebouwd uit vezels die bestaan uit een kern en een mantel, alsmede een daaruit opgebouwd kunstgrasveld.

Also Published As

Publication number Publication date
CA2629005A1 (fr) 2008-10-19
EP1983103A1 (fr) 2008-10-22
CA2629005C (fr) 2013-03-26
US20080260975A1 (en) 2008-10-23

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