WO2009037309A1 - Cool artificial turf - Google Patents
Cool artificial turf Download PDFInfo
- Publication number
- WO2009037309A1 WO2009037309A1 PCT/EP2008/062434 EP2008062434W WO2009037309A1 WO 2009037309 A1 WO2009037309 A1 WO 2009037309A1 EP 2008062434 W EP2008062434 W EP 2008062434W WO 2009037309 A1 WO2009037309 A1 WO 2009037309A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- artificial turf
- turf surface
- artificial
- fibrous material
- light
- Prior art date
Links
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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2938—Coating on discrete and individual rods, strands or filaments
Definitions
- the present invention pertains to artificial turfs, in particular to artificial turf surfaces.
- the first artificial turfs developed and installed already in the early 60ies were a far harder surface than grass, and soon became known as an unforgiving playing surface, which was prone to cause more injuries.
- the other sort has a base of expanded polypropylene, a foamy material originally developed as a shock absorber for the car industry.
- the grass is also made of lubricated polyethylene fibers, but they are shorter and more densely packed than on an infilled pitch, and are also interspersed with short, curly, spring-like fibers that keep the blades upright.
- the finishing touch is an 8- millimeter filling of rubber granules.
- artificial turfs are mostly applied in sport arenas, in the context of this invention the meaning of "artificial turf” is used in a broader sense, encompassing any applications and modification that comprise synthetic grass, i.e. grass that is made of a synthetic material, usually a polymer such as polyethylene, polypropylene and the like.
- additional applications comprise but are not limited to landscape applications and to green roofs on buildings.
- the components used for artificial turf surfaces comprise - as mentioned above - fibers, filaments and tapes, and if applicable infill materials.
- US 3,740,303 discloses an artificial playing surface that comprise a pile fabric with pile fibers having pigments and materials to stabilize against UV light. These stabilizers usually are sterically hindered amines that catch the radicals generated by the energy of the UV light.
- US 2004/0214000 is directed to aggregate turf filler for use with the turf of athletic fields and landscape area, which comprise crushed silica sand particles. Such fillers may be colored to enhance the appearance of the surface.
- US 5,958,527 discloses a synthetic grass turf with a unique multiple course resilient particulate infill.
- the infill consists of brightly colored sand and should serve the purpose to reduce the heat retention of the infill.
- US 2003/0056432 discloses a synthetic grass surface with widely spaced rows of ribbons projecting from a flexible backing sheet which grass surface comprises thermal regulation means attached to the backing sheet in the spaces.
- the synthetic grass surface could comprise synthetic ribbons that could be made from heat reflecting material.
- an artificial turf surface comprising fibrous materials, such as fibers, filaments and/or tapes, and if applicable infill materials, wherein the artificial turf surface additionally comprises one or more additive(s) that reflect(s) light, characterized in that the additive(s) is or are incorporated in the fibrous material, preferably located at the surface of the fibrous material.
- the present invention restricts the presence of the additives and/or pigments to be incorporated into the fibrous material with a preferred location at the surface of the fibrous material, possibly with kind of a concentration gradient from the inner to the outer portions of the fibrous material, i.e. the concentration becoming higher in those portions that are closer to the surface. That leaves the other properties of the fibrous material substantially unchanged, which is important for the suitability of the artificial turf for e.g. ball rolling etc.
- an artificial turf assembly typically includes a pile fabric with a flexible sheet backing and rows of upstanding synthetic ribbons tufted through the flexible backing, representing grass blades, extending upwardly from an upper surface of the backing.
- the term "fibrous material" thus predominately encompasses those fibers filaments and tapes that form the sheet backing and the synthetic ribbons, among them the synthetic ribbons are preferred as location for the additives and/or pigments.
- the light reflectance obtained by the addition of the additives and/or pigments is at least 10 % higher in spectral reflectance and/or IR reflectance measurements compared to artificial turf surfaces without these additives and/or pigments.
- the term "light” is used in its physical meaning and encompasses a wavelength range of the total solar reflectance, which is the sum of ultraviolet, visible and near infra-red reflectance. The higher the solar reflectance the cooler the object will stay.
- reflectance is applied in the range from about 380 nm to about 1 mm, i.e. the spectrum of both the visible light (from about 380 nm to about 780 nm) and the infrared light (from about 700 nm to about 1 mm).
- Particularly preferred is the reflectance of the heat radiation in the infrared spectrum as IR makes up 52% of the spectrum and thus a significant portion of the sun's energy.
- NIR near infrared
- the light reflectance is at least as high as that of a natural grass turf surface, preferably 10 %, even more preferred 20 %, higher than that of a natural grass turf surface.
- the additives or pigments thus have the property to reflect heat generated by sunlight and other light or heat sources in at least the same order of magnitude as Chlorophyll - the green pigment in natural turf - does, whilst pigments currently used in artificial turf have a higher IR absorption.
- the additive(s) or pigment(s) is or are incorporated in the fibrous material, even more preferably it is or are located at or near the surface of the fibrous material.
- any pigment that is capable to reflect light preferably infra red light
- any pigment that is capable to reflect light can be used as additive. It is, however, preferred to apply as additives those pigments that are selected from a group containing metal oxides, mixed metal oxides, cobalt compounds and chromium compounds such as titanium dioxide, aluminium platelet pigments and chromium oxide.
- additives such as MgAI 2 O 4 , after which this class of minerals is named
- spinels mixed oxides such as MgAI 2 O 4 , after which this class of minerals is named
- additives and/or pigments of the class metal-oxide titanates based on antimony, chromium, tin and cobalt are all non toxic and have both FDA and EEC purity approvals in the quantities used.
- IR reflective inorganic pigments such as C.I. Pigment Black 30, a spinel formulated primarily with nickel, manganese, chrome and iron, and C.I. Pigment Green 17, a chromium green black hematite, are known to the skilled person.
- the fibrous material is made of a synthetic polymer, even more preferred if the polymer is selected from a group containing polyethylene, polypropylene, plastomer blends, nylon and copolymers and/or blends thereof.
- the pigments are added in an amount that ranges from about 0.5% to about 4% wt.-% in relation to the polymer.
- This invention is especially an advantage for sport fields and landscape applications to increase the player's and users comfort and safety aspects.
- Another important claim for this invention is energy savings. Where artificial turf is used as a kind of insulation material to prevent - heat build up - of that what has been covered by it. For example green roofs on buildings etc. to reduce energy cost for climate control systems.
- this invention pertains also to the use of the artificial turf surface for sport fields and landscape applications and to the use of the artificial turf as heat insulation in green roofs on buildings.
- the invention is further elucidated by the following non-limiting example(s).
- Hemispherical spectral reflectance measurements were performed in accordance with ASTM Standard Test Method E903 (1996). The measurements were performed with a Perkin-Elmer Lambda 950 Spectrophotometer utilizing an integrating sphere (Fig A1.3 of E903 [1996]). Total reflectance measurements were obtained in the solar spectrum from 2500 nm to 300 nm at an incident angle of 8°. The measurements employ a detector-baffled, wall-mounted-integrating sphere that precludes the necessity of employing a reference standard except to define the instrument's 100% line. The measurements are properly denoted as being ' hemispherical spectral reflectance'.
- Total solar p reflectance was obtained by integrating the spectral data against Air Mass 1.5 (ASTM G159-98) direct solar spectrum utilizing 105 weighted ordinates.
- the NIR region from 724 nm to 2494 nm was obtained by integrating the spectral data against Air Mass 1.5 (ASTM G159-98) direct solar spectrum utilizing 66 weighted ordinates.
- the measured artificial grass specimens were cut from larger specimens that were used for a temperature study.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08804374A EP2203596B1 (en) | 2007-09-22 | 2008-09-18 | Cool artificial turf |
CN200880108243XA CN101802310B (en) | 2007-09-22 | 2008-09-18 | Cool artificial turf |
BRPI0816957 BRPI0816957A2 (en) | 2007-09-22 | 2008-09-18 | Fibrous material, artificial turf surface, and use of artificial turf surface |
AU2008300528A AU2008300528B2 (en) | 2007-09-22 | 2008-09-18 | Cool artificial turf |
US12/675,495 US20110117297A1 (en) | 2007-09-22 | 2008-09-18 | Cool artificial turf |
ES08804374T ES2401044T3 (en) | 2007-09-22 | 2008-09-18 | Fresh artificial grass |
JP2010525347A JP5101699B2 (en) | 2007-09-22 | 2008-09-18 | Cool artificial grass |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07018670A EP2039830A1 (en) | 2007-09-22 | 2007-09-22 | Cool artifical turf |
EP07018670.5 | 2007-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009037309A1 true WO2009037309A1 (en) | 2009-03-26 |
Family
ID=38893289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/062434 WO2009037309A1 (en) | 2007-09-22 | 2008-09-18 | Cool artificial turf |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110117297A1 (en) |
EP (3) | EP2039830A1 (en) |
JP (1) | JP5101699B2 (en) |
CN (1) | CN101802310B (en) |
AU (1) | AU2008300528B2 (en) |
BR (1) | BRPI0816957A2 (en) |
ES (1) | ES2401044T3 (en) |
PT (1) | PT2203596E (en) |
WO (1) | WO2009037309A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010196433A (en) * | 2009-02-27 | 2010-09-09 | Sekisui Jushi Co Ltd | Artificial lawn |
US20130034671A1 (en) * | 2011-08-03 | 2013-02-07 | Milo George | Chlorophyll cooling agent for synthetic turf components |
US20130177718A1 (en) * | 2011-07-14 | 2013-07-11 | Turf Group Llc | Special Coatings for Artificial Turf |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1026444C2 (en) * | 2004-06-17 | 2005-12-20 | Ten Cate Thiolon Bv | Artificial grass sports field provided with an infill material as well as such an infill material. |
US8795834B2 (en) | 2009-02-09 | 2014-08-05 | Sapturf, Llc | Synthetic turf having cooling layer |
US9435083B2 (en) | 2011-07-14 | 2016-09-06 | Turf Group Llc | Special coatings and infill for artificial turf |
CN102797322A (en) * | 2012-08-14 | 2012-11-28 | 青岛青禾人造草坪有限公司 | Artificial lawn with infrared reflecting function for greening roof |
KR101398802B1 (en) | 2014-02-11 | 2014-05-27 | 필드마스터 주식회사 | Artificial grass composition of thermal shutdown function, and artificial grass structure using the composition |
US10563361B2 (en) | 2016-01-12 | 2020-02-18 | Ch3 Solutions, Llc | System and method for customizing a playing field |
US10060083B2 (en) | 2016-01-12 | 2018-08-28 | Versacourt, Llc | Spring tension system for tile |
JP7217255B2 (en) * | 2020-12-14 | 2023-02-02 | 東レ・アムテックス株式会社 | Insulating artificial turf |
Citations (6)
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GB1145073A (en) * | 1965-04-09 | 1969-03-12 | Monsanto Co | Pile fabric simulating grass |
US3740303A (en) * | 1971-01-11 | 1973-06-19 | Du Pont | Artificial playing surface |
US5958527A (en) * | 1998-09-21 | 1999-09-28 | Fieldturf Holdings, Inc. | Process of laying synthetic grass |
US20030056432A1 (en) * | 2001-09-21 | 2003-03-27 | Fieldturf, Inc. | Artificial surface with integrated thermal regulation for sports and other uses |
US20040214000A1 (en) * | 2003-04-24 | 2004-10-28 | Huff Carl L. | Special turf filler |
NL1029940C1 (en) * | 2005-09-13 | 2007-03-15 | Highlands Grass | Artificial grass structure is formed by artificial grass mat under which is drainage mat for dispersal of rain water |
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FR1468622A (en) * | 1962-02-23 | 1967-02-10 | Eltro Gmbh | Process for the manufacture of synthetic fibers, yarns and fabrics having infrared properties |
US3418270A (en) * | 1964-12-22 | 1968-12-24 | Du Pont | Method for dispersing pigments in polyethylene |
US4230752A (en) * | 1979-04-26 | 1980-10-28 | Brunswick Corporation | Cigarette burn proof artificial grass |
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JP3725911B2 (en) * | 1994-06-02 | 2005-12-14 | 株式会社ルネサステクノロジ | Semiconductor device |
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JP4091970B1 (en) * | 2007-09-13 | 2008-05-28 | 奥アンツーカ株式会社 | Thermal barrier artificial turf pile and method for manufacturing the same |
JP4327227B1 (en) * | 2008-06-06 | 2009-09-09 | 奥アンツーカ株式会社 | Heat-shielding granular material, artificial grass, method for producing heat-shielding granular material, and method for producing artificial grass |
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KR101015392B1 (en) * | 2010-05-10 | 2011-02-22 | 삼화페인트공업주식회사 | An artificial turf structure and construction method thereof |
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WO2012058555A2 (en) * | 2010-10-29 | 2012-05-03 | The Quantum Group, Inc. | Artificial turf systems and applications thereof |
US20130177718A1 (en) * | 2011-07-14 | 2013-07-11 | Turf Group Llc | Special Coatings for Artificial Turf |
US8986808B2 (en) * | 2011-08-03 | 2015-03-24 | Milo George | Chlorophyll cooling agent for synthetic turf components |
CN102643504A (en) * | 2012-04-13 | 2012-08-22 | 常州瑞弗橡塑材料有限公司 | Outdoor thermoplastic elastomer cooling particle and preparation method thereof |
CN102797322A (en) * | 2012-08-14 | 2012-11-28 | 青岛青禾人造草坪有限公司 | Artificial lawn with infrared reflecting function for greening roof |
-
2007
- 2007-09-22 EP EP07018670A patent/EP2039830A1/en not_active Withdrawn
-
2008
- 2008-09-18 JP JP2010525347A patent/JP5101699B2/en not_active Expired - Fee Related
- 2008-09-18 BR BRPI0816957 patent/BRPI0816957A2/en not_active IP Right Cessation
- 2008-09-18 AU AU2008300528A patent/AU2008300528B2/en not_active Withdrawn - After Issue
- 2008-09-18 ES ES08804374T patent/ES2401044T3/en active Active
- 2008-09-18 PT PT88043740T patent/PT2203596E/en unknown
- 2008-09-18 EP EP12182941A patent/EP2546416A1/en not_active Withdrawn
- 2008-09-18 CN CN200880108243XA patent/CN101802310B/en not_active Expired - Fee Related
- 2008-09-18 EP EP08804374A patent/EP2203596B1/en not_active Not-in-force
- 2008-09-18 US US12/675,495 patent/US20110117297A1/en not_active Abandoned
- 2008-09-18 WO PCT/EP2008/062434 patent/WO2009037309A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1145073A (en) * | 1965-04-09 | 1969-03-12 | Monsanto Co | Pile fabric simulating grass |
US3740303A (en) * | 1971-01-11 | 1973-06-19 | Du Pont | Artificial playing surface |
US5958527A (en) * | 1998-09-21 | 1999-09-28 | Fieldturf Holdings, Inc. | Process of laying synthetic grass |
US20030056432A1 (en) * | 2001-09-21 | 2003-03-27 | Fieldturf, Inc. | Artificial surface with integrated thermal regulation for sports and other uses |
US20040214000A1 (en) * | 2003-04-24 | 2004-10-28 | Huff Carl L. | Special turf filler |
NL1029940C1 (en) * | 2005-09-13 | 2007-03-15 | Highlands Grass | Artificial grass structure is formed by artificial grass mat under which is drainage mat for dispersal of rain water |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010196433A (en) * | 2009-02-27 | 2010-09-09 | Sekisui Jushi Co Ltd | Artificial lawn |
US20130177718A1 (en) * | 2011-07-14 | 2013-07-11 | Turf Group Llc | Special Coatings for Artificial Turf |
US20130034671A1 (en) * | 2011-08-03 | 2013-02-07 | Milo George | Chlorophyll cooling agent for synthetic turf components |
US8986808B2 (en) * | 2011-08-03 | 2015-03-24 | Milo George | Chlorophyll cooling agent for synthetic turf components |
Also Published As
Publication number | Publication date |
---|---|
EP2203596A1 (en) | 2010-07-07 |
JP5101699B2 (en) | 2012-12-19 |
US20110117297A1 (en) | 2011-05-19 |
JP2010539362A (en) | 2010-12-16 |
ES2401044T3 (en) | 2013-04-16 |
AU2008300528A1 (en) | 2009-03-26 |
AU2008300528B2 (en) | 2011-09-08 |
EP2039830A1 (en) | 2009-03-25 |
BRPI0816957A2 (en) | 2015-03-24 |
EP2546416A1 (en) | 2013-01-16 |
PT2203596E (en) | 2013-03-05 |
EP2203596B1 (en) | 2013-01-23 |
CN101802310A (en) | 2010-08-11 |
CN101802310B (en) | 2012-08-08 |
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