WO2010046593A2 - Procédé de délimitation d'une aire de sport ou de jeu au moyen d'un matériau à transition de spin thermochrome - Google Patents
Procédé de délimitation d'une aire de sport ou de jeu au moyen d'un matériau à transition de spin thermochrome Download PDFInfo
- Publication number
- WO2010046593A2 WO2010046593A2 PCT/FR2009/052001 FR2009052001W WO2010046593A2 WO 2010046593 A2 WO2010046593 A2 WO 2010046593A2 FR 2009052001 W FR2009052001 W FR 2009052001W WO 2010046593 A2 WO2010046593 A2 WO 2010046593A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spin
- transition
- temperature
- trz
- sports
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
- A63C19/06—Apparatus for setting-out or dividing courts
- A63C19/065—Line markings, e.g. tapes; Methods therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
- A63B2071/0611—Automatic tennis linesmen, i.e. in-out detectors
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
- A63B2220/801—Contact switches
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
- A63C2203/12—Electrically powered or heated
Definitions
- the present invention relates to a new method of marking surfaces.
- the present invention therefore proposes to solve these various problems by providing a new method of surface marking.
- Thermochromic spin transition materials exhibit a change in magnetic and optical properties corresponding to an intramolecular electron displacement.
- the spin transition phenomenon at a given temperature, is accompanied by a change of color.
- the present invention relates to a method of delimiting a sports area or game, said method comprising, on said area:
- thermochromic spin transition material having a spin transition temperature greater than ambient temperature
- thermochromic spin transition compounds previously selected according to their spin transition temperature and having a significant, instantaneous and reversible color change, with or without thermal hysteresis (memory effect), makes it possible to produce a thermosensitive paint that delimits surfaces selectively. This finds a completely original and unexpected application in the field of multi-sport fields, for example.
- the spin transition phenomenon has a non-corrosive effect that does not exhibit fatigability.
- the detection principle is based on the fact that, by applying a heating, the spin-transition material will pass, on either side of its spin-transition temperature, from the state of low spin to the state high spin. This transition induced by the increase of temperature of the material is accompanied by the change of color of this one.
- the temperature rise is intended to raise the temperature of said material to a temperature above said spin transition temperature. It can be performed by any means known per se. Thus, there may be mentioned the passage of an electric current in a heating resistor arranged on the area to be marked, prior to the application of said spin-transition material.
- the passage of hot air over the marked area for example by blowing hot air.
- the effect may be self-reversible or not depending on the nature of the spin-transition material used.
- auto-reversible is understood the ability of the spin transition material to return from its high spin state to its low spin state, instantly, simply by returning its temperature to room temperature, by stopping heating (stop current in the heating resistor or shutdown of the hot air passage).
- a spin-transition material without hysteresis is preferentially used.
- the high spin color is maintained.
- the cooled material returns to a temperature below the spin transition temperature, the material returns to its initial low spin color.
- This embodiment is particularly applicable when the temperature rise of the spin-transition material is achieved by passing a current in a heating resistor disposed on the surface to be marked, prior to the application of said material. To make the color disappear, simply lower the temperature, for example by returning to room temperature, stopping the current.
- a spin-transition material with hysteresis should be used.
- the hysteresis cycle between Tbas spin and Thaut spin must be such that Tbas spin ⁇ Tambiante ⁇ Thaut spin, so that the heated material retains its high spin color, even at room temperature.
- This embodiment is advantageously applied in the case where the rise in temperature is achieved by passage of hot air.
- a hysteresis compound can, however, also be used with the passage of a current in the heating resistor so as to obtain a higher temperature Thaut spin, then the current stop, with maintenance of the high spin color.
- thermochromic spin transition materials suitable for the invention may be chosen from any thermochromic spin transition material having a spin transition temperature greater than ambient temperature, with or without thermal hysteresis. The choice of materials is therefore in particular according to the transition temperature. Thus, as explained above, it is appropriate to choose a spin transition temperature higher than the ambient temperature, but, for reasons of energy saving and safety (risk of burns), this temperature of transition of spin should be chosen as low as possible. Thus, the thermochromic spin transition materials that are suitable for the invention have a spin transition temperature greater than ambient temperature, especially between 20 ° C. and 85 ° C.
- the spin-transition material will be suitably selected depending on the ambient temperature of the sports / game field considered.
- the temperature is regulated at 18 ° C
- a material whose spin transition temperature is between 20 0 C and 85 ° C can be used.
- the temperature of the ground can be very high, it will be necessary to determine the maximum temperature that can reach the ground to choose a material whose spin transition temperature is higher than this maximum temperature.
- thermochromic spin transition materials comprising iron, and more preferably the thazole or pyrazine ligand, which may be substituted, are suitable for the process according to the invention.
- thermochromic spin transition materials comprising iron, and more preferably the thazole or pyrazine ligand, which may be substituted, are suitable for the process according to the invention.
- R substituent of thazole ligand, represents a hydrogen atom or a group selected from amino or C 2 -C 10 alkyl groups
- R ', against ion is the anion NO 3 " , BF 4 " , Br “ or p-toluenesulfonate (p-tol), and trz represents the triazole ligand or Fe (pz) M (CN) 4
- the substituent of the triazole group is located at the 4-position of the triazole group. It is thus possible to mention the following compounds:
- the aforementioned materials having a triazole ligand have a white color in the state of high spin, while in the state of low spin they are pink / purple.
- the aforementioned materials comprising a pyrazine ligand have a red color in the high spin state, while in the low spin state they are yellow.
- the compounds of formula (I) in which R represents a 4-amino group are described in particular in Journal of Structural Chemistry, 1995, 36, 1, 120-127.
- a plate of conductive material between said heating resistor and said transition material. spin.
- the effect of this conductive material plate is to homogenize the temperature and consequently to limit the phenomena of overheating that could be caused by the heating resistor.
- a metal plate is ideally suited for this purpose.
- the method according to the invention may also comprise the application of a layer of thermally insulating material on said surface to be marked, and this prior to the possible application of said heating resistor.
- a layer of thermally insulating material on said surface to be marked, and this prior to the possible application of said heating resistor.
- an insulating material mention may in particular be made of polyurethane, in the form of a layer for example, with a thickness of between 0.1 mm and 5 mm.
- Polyurethane plates manufactured by Allrin and marketed by Perichard Plastiques are quite suitable for the process according to the invention.
- a heating resistor there may be mentioned any conductive wire, usually used for this purpose. Generally, a resistance of between 1 and 100 ⁇ / m is appropriate, preferably about 25 ⁇ / m.
- the resistor may in particular be controlled by a temperature controller.
- the electrical circuit thus formed may also include any electrical element, known per se, to improve the performance of the heating device.
- the application of the current in the resistor can be done on mains or by means of a generator.
- a current of intensity between 0.1 and 5 A, preferably less than about 1 A, is generally suitable.
- thermochromic spin transition material is preferably carried out by means of a composition comprising said material, mixed in a polymer base and optionally a solvent.
- a polymer there may be mentioned polyvinyl acetate, and as a solvent acetonitrile or water.
- the composition comprises between:
- a particularly advantageous composition comprises 20 mol% of spin transition material and 80 mol% of polyvinyl acetate.
- the composition is made by mixing these ingredients in a solvent base such as acetonitrile.
- composition comprising the spin-transition material
- a paint comprising said material, or possibly by spin coating.
- This technique widely used, is for example described in EP 1 430 552. It consists of the deposition of a fluid on a support by centrifugation (or "spin"), then optionally evaporation of the solvent.
- the spin transition material is deposited as a mixture with an inactive matrix, usually a polymer.
- spin transition temperature is meant the temperature at which the material goes from its low spin state to the high spin state.
- spin transition temperature the temperature at which the material goes from its low spin state to the high spin state.
- Tbas spin the lowest (Tbas spin) allowing the transition from the high spin state to the low spin state by cooling
- Thiaut spin called here "spin transition temperature”
- spin transition temperature the highest (Thaut spin, called here "spin transition temperature” ) allowing the transition from the low spin state to the high spin state by heating.
- the materials are chosen from materials without hysteresis whose spin transition temperature is greater than ambient temperature or materials with hysteresis whose spin transition temperature is greater than ambient temperature.
- lines or delimiting surfaces are meant the lines or surfaces delimiting a sports or game area or particular areas thereof.
- the present invention relates to any sports area or game that can be obtained by the method according to the invention.
- It also relates to the method of manufacturing a line or delimiting surface of a sports area or game comprising the application of a spin-transition material as defined above on a thermally insulating material.
- the present invention also relates to the device for carrying out the method according to the invention.
- said device comprises:
- thermo and electrical insulating material (2) a thermal and electrical insulating material (2); a heating resistor (1) disposed on said insulating material (2);
- thermochromic spin transition material (3) with or without thermal hysteresis, on said conductive material plate (4), said spin transition material (3) having a spin transition temperature greater than room temperature.
- the numbers in parentheses refer to Figure 1. The invention will be better understood from Figure 1 which is an exploded view of the device according to the present invention and in which the resistor (1) is placed on the insulating material. (2), and under a conductive material plate (4), itself supporting a layer of a composition comprising the spin transition material (3).
- the device is applied to the boundary lines or surfaces of the sports surfaces or game, on which the lines or surfaces have been pre-marked, by any means.
- the present invention also relates to the use of the device according to the invention for surface marking. It also relates to the use of a thermochromic spin transition material having a spin transition temperature greater than room temperature, for the delimitation of sports or game areas.
- the marked surfaces according to the invention can also detect the contacts or impacts.
- thermochromic spin transition material applied must have a transition temperature greater than ambient temperature on the one hand, and also greater than the temperature of the projectile or the user in contact with said marked surface on the other hand.
- the marked surfaces can make it possible to visually detect the contacts or impacts with the marked surface. This is particularly advantageous for sports arbitration.
- the marked surfaces when in contact with a projectile or user, at a temperature below the temperature at which the marked surface is maintained, return to the state of low spin and thus change color.
- the detection principle is based on the fact that the impact of a projectile or the contact of a user, who has a temperature T1 (in general, T1 is between 0 ° and
- thermosensitive material containing the spin transition compound initially brought to a temperature T2 (T2> T1 and 20 ⁇ T2 ⁇ 85 ° C, taking into account the extreme climatic conditions and the risk of burns).
- T2 temperature
- the lowering of the temperature induced by the contact or the impact on the marked surface is accompanied by a color change thereof.
- the effect is irreversible at the same temperature, when, advantageously, the spin-transition compound has a thermal hysteresis. This memory effect thus allows the referees to visualize a posteriori the area of impact or contact on the surface.
- the marked surface can resume its initial color, by raising the temperature. This can be done at any time and by simple temperature control.
- the affected or impacted area will change color and a purple color area, corresponding to the area of impact or contact, will appear.
- This color change clearly visible on the white line, is perfectly located at the point of impact or contact. It is visible as long as the thermostated line is not warmed up again beyond its transition temperature (79 ° C). This process can be repeated at will depending on the condition of the thermosensitive paint line.
- said contact is preferably selected from the impact of a ball, ball or projectile, or the contact of a user.
- Said spin-transition material has a thermal hysteresis and is preferably chosen from spin-transition materials having a spin transition temperature of between 50 ° C. and 85 ° C.
- the thermal and possibly electrical insulating material applied to the marked area, prior to the possible application of the heating resistor, is advantageously chosen so that its thermal transmittance is lower than that of the projectile or user in contact with it and whose the impact or contact is to be detected.
- the polyurethane can be cited in particular.
- the present application therefore also relates to a contact detection method on a line or a delimiting surface of a sports or game area comprising:
- the present invention also relates to the use of a thermochromic spin transition material with hysteresis having a spin transition temperature of between 50 ° C. and 85 ° C. for the detection of contact on a surface.
- This compound can be prepared according to Varnek et al., Journal of Structural Chemistry, 1995, 1, 36, 120-127. More specifically, the complex was prepared by mixing 0.005 mol of Fe (NO.sub.2) and 0.015 mol of 4-amino-1,2,4-thazole, solubilized in ethanol. The solution is evaporated to dryness and the white residue is washed with ethanol.
- Example 2 Deposition of the spin-transition material on a surface
- the complex obtained in Example 1 is mixed with a polymer base such as polyvinyl acetate at a concentration of 40 mol% of the complex.
- the mixture is carried out with stirring in acetonitrile.
- the deposit is then carried out on a polyurethane plate 5 mm thick. This deposit is made by spin coating, during which the solvent is evaporated.
- the polyurethane layer coated with the complex is placed in an oven maintained at 72.degree. Violet at room temperature, it changes to white in the oven. Always in the oven, touch the plate: the contact area with the user becomes purple.
- the operation is repeated by throwing a tennis ball on the plate held in the oven.
- the impact zone becomes instantly violet.
- a heating resistor of 25 ⁇ / m was fixed on a polyurethane plate, according to Example 2.
- the composition is then applied by spin coating, according to Example 2.
- a current of 0.4 A is passed through the circuit consisting of the heating resistor.
- the layer of the composition, violet initially becomes white, when the temperature becomes higher than the low spin ⁇ high spin transition temperature.
- the same contact and impact tests are carried out as in Example 3, while maintaining the current in the electric circuit. The same phenomena occur.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
- Toys (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09760947.3A EP2361125B1 (fr) | 2008-10-23 | 2009-10-20 | Procédé de délimitation d'une aire de sport ou de jeu au moyen d'un matériau à transition de spin thermochrome |
RU2011120343/12A RU2527118C2 (ru) | 2008-10-23 | 2009-10-20 | Способ разграничения спортивной или игровой зоны посредством термохроматического материала со спиновым переходом |
JP2011532689A JP5620390B2 (ja) | 2008-10-23 | 2009-10-20 | 熱変色性スピン遷移材料による競技用または運動用の場所の境界画定の方法 |
CA2741458A CA2741458A1 (fr) | 2008-10-23 | 2009-10-20 | Procede de delimitation d'une aire de sport ou de jeu au moyen d'un materiau a transition de spin thermochrome |
US13/125,161 US20120010030A1 (en) | 2008-10-23 | 2009-10-20 | Method for defining a sports or playing area by means of a thermochromatic spin transition material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0857196 | 2008-10-23 | ||
FR0857196A FR2937561B1 (fr) | 2008-10-23 | 2008-10-23 | Procede de delimitation d'une aire de sport ou de jeu au moyen d'un materiau a transition de spin thermochrome |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010046593A2 true WO2010046593A2 (fr) | 2010-04-29 |
WO2010046593A3 WO2010046593A3 (fr) | 2010-06-17 |
Family
ID=40778899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2009/052001 WO2010046593A2 (fr) | 2008-10-23 | 2009-10-20 | Procédé de délimitation d'une aire de sport ou de jeu au moyen d'un matériau à transition de spin thermochrome |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120010030A1 (fr) |
EP (1) | EP2361125B1 (fr) |
JP (1) | JP5620390B2 (fr) |
CA (1) | CA2741458A1 (fr) |
FR (1) | FR2937561B1 (fr) |
RU (1) | RU2527118C2 (fr) |
WO (1) | WO2010046593A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3095831A1 (fr) | 2015-05-22 | 2016-11-23 | Gerflor | Nouveaux revetements de sol ou de mur a inertie thermique |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2554961A4 (fr) * | 2010-03-31 | 2013-10-30 | Nichu Giken Kogyo Kk | Indicateur de gestion de température, et structure sur laquelle est fixé cet indicateur |
FR3051193B1 (fr) * | 2016-05-12 | 2018-05-18 | Airbus Group Sas | Revetement thermochrome irreversible pour la detection d'endommagement de structures aeronautiques |
US9855485B1 (en) * | 2016-11-03 | 2018-01-02 | Ronald J. Meetin | Information-presentation structure with intelligently controlled impact-sensitive color change |
US10258860B2 (en) * | 2016-11-03 | 2019-04-16 | Ronald J. Meetin | Information-presentation structure with compensation to increase size of color-changed print area |
US10258859B2 (en) * | 2016-11-03 | 2019-04-16 | Ronald J. Meetin | Information-presentation structure with visible record of color-changed print area at impact location |
US9789381B1 (en) * | 2016-11-03 | 2017-10-17 | Ronald J. Meetin | Information-presentation structure with pressure spreading and pressure-sensitive color change |
US10258825B2 (en) * | 2016-11-03 | 2019-04-16 | Ronald J. Meetin | Information-presentation structure with separate impact-sensitive and color-change components |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2620037A1 (de) * | 1976-05-06 | 1977-11-24 | Klaus Dieter Hoess | Platten- oder bahnfoermiger bodenbelag |
FR2637406A1 (fr) * | 1988-10-04 | 1990-04-06 | Helary Dominique | Procede et dispositif de coloration cinetique et evolutive |
WO1990013340A1 (fr) * | 1989-04-28 | 1990-11-15 | Mulder, Harmina | Plancher pour sports marque de lignes |
US5394824A (en) * | 1992-10-07 | 1995-03-07 | Johnson, Jr.; Lawrence F. | Thermochromic sensor for locating an area of contact |
DE29517127U1 (de) * | 1995-10-28 | 1996-02-15 | Kaiser, Werner, 63505 Langenselbold | Boden mit Markierungen |
FR2898910A1 (fr) * | 2006-03-23 | 2007-09-28 | Centre Nat Rech Scient | Nouveau procede d'application en couche mince de materiaux moleculaires a transition de spin |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4028118A (en) * | 1972-05-30 | 1977-06-07 | Pilot Ink Co., Ltd. | Thermochromic materials |
JPS6124075U (ja) * | 1984-07-17 | 1986-02-13 | 株式会社 林物産 | 体育館内の競技用コ−ト構成線 |
US6200730B1 (en) * | 1992-11-20 | 2001-03-13 | U.S. Philips Corporation | Spin-transition parent compounds |
EP0666561A1 (fr) * | 1994-02-03 | 1995-08-09 | Laboratoires D'electronique Philips S.A.S. | Composés chimiques de départ à transition de spin et dispositifs munis de moyens d'inscription, mémorisation et effaçage comprenant un milieu actif incluant au moins un de ces composés |
GB2361321B (en) * | 2000-04-13 | 2003-08-06 | Stephen Charles Rakowski | Equipment for disclosing pressure |
FR2829293B1 (fr) * | 2001-08-31 | 2003-11-14 | Centre Nat Rech Scient | Memoire moleculaire et son procede de fabrication |
RU2355027C2 (ru) * | 2003-05-07 | 2009-05-10 | Эвензо Аб | Маркировка больших поверхностей визуальными представлениями |
JP2007111479A (ja) * | 2005-09-26 | 2007-05-10 | The Inctec Inc | 打球接地位置検出膜、および打球接地位置検出膜形成用塗工液 |
FR2894581B1 (fr) * | 2005-12-08 | 2008-02-22 | Centre Nat Rech Scient | Nanoparticules d'un compose a transition de spin |
-
2008
- 2008-10-23 FR FR0857196A patent/FR2937561B1/fr not_active Expired - Fee Related
-
2009
- 2009-10-20 CA CA2741458A patent/CA2741458A1/fr not_active Abandoned
- 2009-10-20 EP EP09760947.3A patent/EP2361125B1/fr not_active Not-in-force
- 2009-10-20 WO PCT/FR2009/052001 patent/WO2010046593A2/fr active Application Filing
- 2009-10-20 RU RU2011120343/12A patent/RU2527118C2/ru active
- 2009-10-20 JP JP2011532689A patent/JP5620390B2/ja not_active Expired - Fee Related
- 2009-10-20 US US13/125,161 patent/US20120010030A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2620037A1 (de) * | 1976-05-06 | 1977-11-24 | Klaus Dieter Hoess | Platten- oder bahnfoermiger bodenbelag |
FR2637406A1 (fr) * | 1988-10-04 | 1990-04-06 | Helary Dominique | Procede et dispositif de coloration cinetique et evolutive |
WO1990013340A1 (fr) * | 1989-04-28 | 1990-11-15 | Mulder, Harmina | Plancher pour sports marque de lignes |
US5394824A (en) * | 1992-10-07 | 1995-03-07 | Johnson, Jr.; Lawrence F. | Thermochromic sensor for locating an area of contact |
DE29517127U1 (de) * | 1995-10-28 | 1996-02-15 | Kaiser, Werner, 63505 Langenselbold | Boden mit Markierungen |
FR2898910A1 (fr) * | 2006-03-23 | 2007-09-28 | Centre Nat Rech Scient | Nouveau procede d'application en couche mince de materiaux moleculaires a transition de spin |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3095831A1 (fr) | 2015-05-22 | 2016-11-23 | Gerflor | Nouveaux revetements de sol ou de mur a inertie thermique |
Also Published As
Publication number | Publication date |
---|---|
WO2010046593A3 (fr) | 2010-06-17 |
RU2011120343A (ru) | 2012-11-27 |
JP5620390B2 (ja) | 2014-11-05 |
US20120010030A1 (en) | 2012-01-12 |
CA2741458A1 (fr) | 2010-04-29 |
FR2937561A1 (fr) | 2010-04-30 |
FR2937561B1 (fr) | 2010-12-31 |
EP2361125A2 (fr) | 2011-08-31 |
RU2527118C2 (ru) | 2014-08-27 |
EP2361125B1 (fr) | 2015-12-23 |
JP2012506276A (ja) | 2012-03-15 |
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