WO2000015490A1 - Phosphorescent marine products - Google Patents
Phosphorescent marine products Download PDFInfo
- Publication number
- WO2000015490A1 WO2000015490A1 PCT/US1999/021101 US9921101W WO0015490A1 WO 2000015490 A1 WO2000015490 A1 WO 2000015490A1 US 9921101 W US9921101 W US 9921101W WO 0015490 A1 WO0015490 A1 WO 0015490A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphorescent
- marine
- article
- phosphor
- group
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B51/00—Marking of navigation route
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
- B63B45/04—Arrangements or adaptations of signalling or lighting devices the devices being intended to indicate the vessel or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/21—Boats, rafts, buoys or the like, characterised by signalling means, e.g. lights, reflectors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
-
- 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
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
Definitions
- the current means of increasing visibility of marine articles include phosphorescent or fluorescent materials and brightly colored paints.
- these current means suffer from serious visibility and durability challenges.
- the afterglow time of a fluorescent substance is short, i.e., the light emitted from the fluorescent substance decays immediately after removal from the source of excitation.
- some substances emit light after having absorbed ultraviolet radiation, and afterglow thereof that can be visually observed for a considerable time (ranging from several tens of minutes to several hours) after the source of stimulus is cut off.
- Such substances are called phosphorescent phosphors.
- Phosphorescent phosphors are known.
- Sulfide phosphorescent phosphors are also known and include for example CaS:Bi (which emits light of violet blue), CaStS:Bi (which emits light of blue), ZnS:Cu (which emits light of green) and ZnCdS:Cu (which emits light of green) and ZnCdS:Cu (which emits light of yellow or orange).
- CaS:Bi which emits light of violet blue
- CaStS:Bi which emits light of blue
- ZnS:Cu which emits light of green
- ZnCdS:Cu which emits light of green
- ZnCdS:Cu which emits light of yellow or orange
- the most extensively used phosphorescent phosphor among such sulfide phosphorescent phosphors is zinc sulfide phosphorescent phosphor (ZnS:Cu).
- zinc sulfide phosphorescent phosphor is decomposed as the result of irradiation by ultraviolet radiation in the presence of moisture and thus, over time, blackens or reduces the phosphor's luminance. Therefore, it is difficult to use this phosphorescent phosphor in fields where it is placed outdoors and exposed to a direct sunlight, that is, application is limited to luminous clocks/watches or clocks/watches and instrument dials, evacuation guiding signs or indoor night-time display.
- the afterglow allows the time to be visually recognized lasts only from 30 minutes to 2 hours. Therefore, the phosphorescent phosphor must be doped with a radioactive substance and a self-luminous paint to keep emitting light by absorbing the energy of radiation from the radioactive substance.
- a marine article of the invention includes a phosphorescent phosphor.
- a particularly advantageous phosphorescent phosphor comprises MAl 2 O 4 .
- M is at least one cation selected from a group consisting of calcium, strontium, and barium.
- the phosphor comprises 0.001% to 10%) of a europium activator, and 0.001% to 10% of at least one dopant selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, tin and bismuth as a co-activator, in terms of mol % relative to the metal element expressed by M.
- the phosphorescent marine article has an afterglow corresponding to a luminance of at least 0.3 mCd/m 2 for at least 1000 minutes.
- the phosphorescent phosphor is incorporated into a polymer forming a phosphorescent buoy or dock post cap.
- FIG. 1 is a perspective view of a marine cap.
- Figure 2 is a front elevation view of a marine cap.
- Figure 3 is a top plane view of a marine cap.
- Figure 4 is a bottom plane view of a marine cap.
- a marine article includes a phosphorescent phosphor.
- a disclosure of one example of a phosphorescent phosphor suitable for a marine product of the invention is patent number 5,424,006 incorporated by reference herein.
- the phosphorescent marine articles described below show much longer afterglow characteristics that last longer than presently available phosphorescent marine articles and are chemically stable in the presence of moisture and UN light (marine environment).
- the marine article It is important the marine article be visible throughout an entire night of darkness. This insures that marine articles are able to be seen and to alert aquatic users to dangers the marine articles are marking even in darkness.
- the marine articles should display a visible afterglow for at least about seven-eight hours (420-480 minutes), preferably greater than about ten hours (600 minutes), more preferably greater than about 1000 minutes. This length of time is adequate for a typical summer period of darkness for most regions. However, longer afterglow periods of time are desirable.
- Luminova One phosphorescent phosphor suitable in the invention is known commercially as "Luminova”. "Luminova” is manufactured by ⁇ emoto & Co., Ltd., of Japan.
- the present invention provides a phosphorescent phosphor which comprises a compound expressed by MAl 2 O 4 whose host material is a compound in which M is at least one cation selected from a group consisting of calcium, strontium and barium.
- a phosphorescent phosphor which includes a compound expressed by MAl 2 O 4 whose host material is a compound composed of a plurality of metal cations in which M is at least one metal cation selected from a group consisting of calcium, strontium and barium to which magnesium is added.
- the phosphor contains 0.001 mol % to 10 mol %> of a europium activator in terms of mol % relative to the cation expressed by M.
- the phosphor also typically contains 0.001 mol % to 10 mol % of at least one dopant selected from a group consisting of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, manganese, tin and bismuth as a co-activator in terms of mol %> relative to the metal element expressed by M.
- the phosphorescent phosphor may show a glow peak of thermo- luminescence in a high- temperature region of 50 ° C or above when irradiated by ultraviolet or visible rays having a wavelength of 200 to 450 nm at room temperatures.
- the phosphorescent phosphor's afterglow remains visible for at least 1000 minutes. Visible is defined as a light intensity corresponding to a luminance of about 0.3 mCd/m 2 .
- Applicants have found the above described phosphorescent phosphor useful in a variety of marine articles.
- Examples of marine articles include dock accessories, boat accessories, personal accessories, and floatation devices. Virtually any article that relates to outdoor water activities is useful in the invention.
- Marine caps include buoy caps and dock post caps. These marine caps can mount on top of the buoy or dock post body.
- Figures 1-4 illustrate one embodiment of a preferred configuration of a marine cap. The overall appearance of the embodiment illustrated in Figures 1-4 is not exhaustive of appearances which are within the scope of the invention but are merely representative of one configuration which is ornamental but maintains some or all of the functional aspects of a marine cap of the invention.
- Dock accessories are articles that are used in conjunction with the construction, operation, and maintenance of a dock or pier.
- An listing of dock accessories includes, for example, dock fenders, post fenders, bumpers, dock trim, step trim, cleats, ladders, post caps and dock lights.
- Boat accessories are articles that are used in conjunction with the construction, operation, and maintenance of a boat, ship, or personal water craft.
- An listing of boat accessories includes, for example, bumpers, sails, masts, lettering, numbering, marine rope, trailer guides, trailer rollers, ladders, covers, shift knobs, throttle knobs, steering wheels and instrument gauges.
- Personal Accessory Personal accessories are articles that are used in conjunction with the person while in a marine environment.
- An listing of personal accessories includes, for example, jackets, knives, coolers, drinking glasses, tools and patches.
- Flotation devices are articles that have the ability to stay on the surface of water.
- a listing of flotation devices includes, for example, buoys, buoy wraps, buoy caps, life jackets, floating key rings, ring buoy/life savers and floating cushions.
- the phosphorescent phosphor can be incorporated into a tape.
- the tape can be affixed to a marine article using known methods.
- the tape can be a multi-layer film typically consisting of a phosphorescent backing, an adhesive and a liner.
- the phosphorescent phosphor can be incorporated into a polymer.
- An listing of useful polymers includes, for example, polycarbonates, polyethylenes, polypropylenes, polystyrenes, polyurethanes, copolymers of ethylene, copolymers of vinyl acetate, terpolymers of acrylonitrile, terpolymers of butadiene and terpolymers of styrene.
- the manufacturing process for polymeric marine articles is typically a vacuum ⁇ thermo forming process although other methods are known in the art.
- the phosphorescent phosphor can be mixed with the liquid polymer to form the phosphorescent phosphor/polymer mixture.
- the plastic can then typically be formed into sheets. The sheets are heated and placed over a mold. A vacuum pulls the sheet around the mold to form the marine article. Finally, the article is hardened by cooling the polymer.
- the phosphorescent phosphor/polymer mixture may also be formed into pellets that are extruded and further processed into the marine article using known methods. Injection molding is another common process for forming the marine articles of the invention.
- the phosphorescent phosphor can also be incorporated into a paint such as a polyurethane paint.
- the phosphorescent phosphor paint may then be applied to the marine article to provide the luminance quality using known methods.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU62480/99A AU6248099A (en) | 1998-09-14 | 1999-09-14 | Phosphorescent marine products |
DE69933879T DE69933879D1 (en) | 1998-09-14 | 1999-09-14 | PHOSPHORESCENT MARINE PRODUCTS |
EP99949649A EP1113958B1 (en) | 1998-09-14 | 1999-09-14 | Phosphorescent marine products |
CA2343938A CA2343938C (en) | 1998-09-14 | 1999-09-14 | Phosphorescent marine products |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/152,377 | 1998-09-14 | ||
US09/152,377 US6253698B1 (en) | 1998-09-14 | 1998-09-14 | Phosphorescent marine products |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000015490A1 true WO2000015490A1 (en) | 2000-03-23 |
Family
ID=22542669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/021101 WO2000015490A1 (en) | 1998-09-14 | 1999-09-14 | Phosphorescent marine products |
Country Status (7)
Country | Link |
---|---|
US (6) | US6253698B1 (en) |
EP (1) | EP1113958B1 (en) |
AT (1) | ATE344175T1 (en) |
AU (1) | AU6248099A (en) |
CA (1) | CA2343938C (en) |
DE (1) | DE69933879D1 (en) |
WO (1) | WO2000015490A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2393843A (en) * | 2002-07-20 | 2004-04-07 | Christopher Paul Daniel | High visibility aid for water borne vessels. |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7331533B2 (en) * | 1996-03-06 | 2008-02-19 | Compositech, L.L.C. | Thermoplastic railroad cross-ties |
US6253698B1 (en) * | 1998-09-14 | 2001-07-03 | Marineglo Corporation | Phosphorescent marine products |
US6716368B1 (en) * | 2001-08-06 | 2004-04-06 | General Electric Company | Phosporescent polycarbonate and molded articles |
ITMI20032383A1 (en) * | 2003-12-04 | 2005-06-05 | Carfed S A | IDENTIFYING ELEMENT STRUCTURE, IN CONDITIONS OF |
US20060037525A1 (en) * | 2004-08-23 | 2006-02-23 | Remington Gerald J | Dock post safety cap |
US20060130727A1 (en) * | 2004-12-06 | 2006-06-22 | Lance Eischeid | Illuminated dock bumper |
US8075801B2 (en) * | 2005-04-29 | 2011-12-13 | Defense Holdings, Inc. | Photoluminescent (PL) applications on moveable equipment |
KR100836444B1 (en) | 2007-11-03 | 2008-06-09 | 홍재선 | Pontoon structure |
EP2323898A4 (en) * | 2008-08-12 | 2013-05-22 | Visual Signals Ltd | Glow in the dark buoyant articles |
WO2010098426A1 (en) * | 2009-02-27 | 2010-09-02 | 信越化学工業株式会社 | Long-afterglow fluorescent ceramic and process for producing same |
US8596920B2 (en) * | 2011-10-12 | 2013-12-03 | Darla DuBose | Apparatus and method for a shielding a pile |
EP2980184B1 (en) * | 2013-03-29 | 2018-08-01 | Sakai Chemical Industry Co., Ltd. | Use of a mechanoluminescent material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374137A (en) * | 1992-09-04 | 1994-12-20 | Steinberg; Erik J. | Yieldable post and method of using same |
US5424006A (en) * | 1993-04-28 | 1995-06-13 | Nemoto & Co., Ltd. | Phosphorescent phosphor |
US5586838A (en) * | 1995-05-30 | 1996-12-24 | Walsh; Thomas M. | Sealed marine post |
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US6001491A (en) * | 1998-02-11 | 1999-12-14 | Polysum Technologies, L.L.C. | Thermoplastic photoluminescent pilings and process for making thereof |
US5853614A (en) * | 1996-12-17 | 1998-12-29 | Beijing Hongye Coating Materials Company | Long decay luminescent material |
US5727493A (en) * | 1997-02-26 | 1998-03-17 | Pierce; Richard C. | Boat bumper |
US5976411A (en) * | 1997-12-16 | 1999-11-02 | M.A. Hannacolor | Laser marking of phosphorescent plastic articles |
US5992342A (en) * | 1998-01-20 | 1999-11-30 | Nordin; Robert P. | Navigation aid |
US6242056B1 (en) * | 1998-05-08 | 2001-06-05 | Innovative Concepts Unlimited, Llc | Process for applying light-emission-enhancement microbead paint compositions |
US6253698B1 (en) * | 1998-09-14 | 2001-07-03 | Marineglo Corporation | Phosphorescent marine products |
-
1998
- 1998-09-14 US US09/152,377 patent/US6253698B1/en not_active Expired - Fee Related
-
1999
- 1999-09-14 CA CA2343938A patent/CA2343938C/en not_active Expired - Fee Related
- 1999-09-14 WO PCT/US1999/021101 patent/WO2000015490A1/en active IP Right Grant
- 1999-09-14 DE DE69933879T patent/DE69933879D1/en not_active Expired - Lifetime
- 1999-09-14 AU AU62480/99A patent/AU6248099A/en not_active Abandoned
- 1999-09-14 EP EP99949649A patent/EP1113958B1/en not_active Expired - Lifetime
- 1999-09-14 AT AT99949649T patent/ATE344175T1/en not_active IP Right Cessation
-
2001
- 2001-02-06 US US09/778,973 patent/US20010007237A1/en not_active Abandoned
-
2004
- 2004-03-01 US US10/791,363 patent/US20050034648A1/en not_active Abandoned
-
2005
- 2005-12-22 US US11/316,797 patent/US20060096516A1/en not_active Abandoned
-
2006
- 2006-09-07 US US11/470,944 patent/US20070205397A1/en not_active Abandoned
-
2008
- 2008-02-06 US US12/069,028 patent/US8128838B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374137A (en) * | 1992-09-04 | 1994-12-20 | Steinberg; Erik J. | Yieldable post and method of using same |
US5424006A (en) * | 1993-04-28 | 1995-06-13 | Nemoto & Co., Ltd. | Phosphorescent phosphor |
US5586838A (en) * | 1995-05-30 | 1996-12-24 | Walsh; Thomas M. | Sealed marine post |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2393843A (en) * | 2002-07-20 | 2004-04-07 | Christopher Paul Daniel | High visibility aid for water borne vessels. |
GB2393843B (en) * | 2002-07-20 | 2005-12-14 | Christopher Paul Daniel | Visibility aid for water borne vessels |
Also Published As
Publication number | Publication date |
---|---|
AU6248099A (en) | 2000-04-03 |
US20010007237A1 (en) | 2001-07-12 |
EP1113958B1 (en) | 2006-11-02 |
EP1113958A1 (en) | 2001-07-11 |
US20050034648A1 (en) | 2005-02-17 |
US6253698B1 (en) | 2001-07-03 |
EP1113958A4 (en) | 2003-07-02 |
ATE344175T1 (en) | 2006-11-15 |
CA2343938C (en) | 2011-07-19 |
US20090261295A1 (en) | 2009-10-22 |
DE69933879D1 (en) | 2006-12-14 |
US20060096516A1 (en) | 2006-05-11 |
US8128838B2 (en) | 2012-03-06 |
US20070205397A1 (en) | 2007-09-06 |
CA2343938A1 (en) | 2000-03-23 |
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