EP0663560A2
Expired / Lapsed
EP
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A porous, flexible structure for chemiluminescent device
Assignee: Omniglow Corp
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Filing: 1991-08-16
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Granted: —
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Expires: 2011-08-16
Abstract
Abstract The present invention provides a porous, flexible structure comprising A) a non-particulate phase comprising a vinyl halide or vinylidene halide polymer having a molecular weight of about 100,000 to about 500,000 which constitutes 0.5 to about 15.0 weight percent of total polymer, B) an agglomerated particle phase comprising either 1) about 85.0 to about 99.5 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles, or 2) about 45 to about 98.5 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles, and about 1 to about 40 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 130 to about 225 µm and a molecular weight of from about 100,000 to about 225,000 and C) a plasticizer comprising a solvent solution of a chemiluminescent compound and, optionally, a fluorescer, dispersed throughout both said phases.
Inventors
- 👤 William Elliott Bay
- 👤 John Joseph Freeman
- 👤 Lynn Elise Errigo
- 👤 Martin Leonard Cohen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-10 02:11
CPC Classifications
F; F21; F21K; F21K2/00; F21K2/06; G; G02; G02B; G02B1/00; C; C09; C09K; C09K11/00; C09K11/06; C09K11/07
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
200 words
A porous, flexible structure comprising A) a non-particulate phase comprising a vinyl halide or vinylidene halide polymer having a molecular weight of about 100,000 to about 500,000 which constitutes 0.5 to about 15.0 weight percent of total polymer, B) an agglomerated particle phase comprising either 1) about 85.0 to about 99.5 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles, or 2) about 45 to about 98.5 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles, and about 1 to about 40 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 130 to about 225 µm and a molecular weight of from about 100,000 to about 225,000 and C) a plasticizer comprising a solvent solution of a chemiluminescent compound and, optionally, a fluorescer, dispersed throughout both said phases.
Claim 2
Dependent Claim
42 words
A structure according to Claim 1 wherein said agglomerated particle phase constitutes polyvinylchloride resin particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles.
Claim 3
Dependent Claim
68 words
A structure according to Claim 1 wherein said agglomerated particle phase constitutes polyvinylchloride resin particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles and polyvinylchloride resin particles having a diameter of from about 130 to about 225 µm and a molecular weight of from about 100,000 to about 225,000.
Claim 4
Dependent Claim
44 words
The structure of any preceding Claim wherein said solvent is selected from dialkyl esters of phthalic acid; ethylene glycol ethers; citric acid esters and alkyl benzoates and is present in amounts of from about 0.5 part to about 3.0 parts per part of resin.
Claim 5
Dependent Claim
12 words
The structure of any preceding Claim wherein said solvent is dibutyl phthalate.
Claim 6
Dependent Claim
27 words
The structure of any preceding Claim wherein said solvent is dibutyl phthalate and is present in an amount of about 1.4 parts per 1.0 part of resin.
Claim 7
Dependent Claim
24 words
The structure of any preceding Claim wherein the chemiluminescent compound is selected from 3-aminophthalhydrazide; 2,4,5-triphenylimidazole; 10,10'-dialkyl-9,9'-biacridinium salts; 9-chlorocarbonyl-10-methylacridinium chloride, bis(1,2-dihydro-2-oxo-1-pyridyl) glyoxal and bis(substituted-phenyl) oxalates.
Claim 8
Dependent Claim
41 words
The structure of Claim 7 wherein the bis(substituted-phenyl) oxalate is bis(2-nitrophenyl) oxalate, bis(2,4-dinitrophenyl) oxalate, bis(2,6-dichloro-4-nitrophenyl) oxalate, bis(2,4,6-trichlorophenyl) oxalate, bis(3-trifluoromethyl-4-nitrophenyl) oxalate, bis(2-methyl-4,6-dinitrophenyl) oxalate, bis(1,2-dimethyl-4,6-dinitrophenyl) oxalate, bis(2,4-dichlorophenyl) oxalate, bis(2,5-dinitrophenyl) oxalate, bis(2-formyl-4-nitrophenyl) oxalate, bis(pentachlorophenyl) oxalate, bis-N-phthalimdyl oxalate, bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate, bis(2,4,5-trichloro-6-carbobutoxyphenyl) oxalate, or bis(2,4,6-trichlorophenyl) oxalate.
Claim 9
Dependent Claim
12 words
The structure of Claim 8 wherein the chemiluminescent compound is bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate.
Claim 10
Dependent Claim
20 words
The structure of any preceding Claim wherein the fluorescer is present and is selected from 9,10-bisphenylethynylanthracene; 1-chloro-9,10-bis phenylethynylanthracene and 2-chloro-9,10-bis(paramethoxyphenyl)anthracene.
Claim 11
Dependent Claim
28 words
The structure of any preceding Claim wherein the fluorescer is present in a concentration of about 0.1 weight percent to about 2.0 weight percent of the plasticizer solution.
Claim 12
Dependent Claim
17 words
The structure of any preceding Claim having on one surface thereof, a reflecting surface facing the structure.
Claim 13
Dependent Claim
247 words
A porous, flexible structure produced by the process of (1) adding a first component and a second component to a solvent solution of a chemiluminescent compound and, optionally, a fluorescer, to form a uniform slurry, (2) shaping said slurry, and (3) heating said shaped slurry to a temperature of from about 80°C to about 150°C for from about 5 minutes to about 50 minutes wherein the first component comprises a non-particulate phase comprising a vinyl halide or vinylidene halide polymer having a molecular weight of about 100,000 to about 500,000 which constitutes about 0.5 to about 15.0 weight percent of total polymer, and the second component comprises an agglomerated particle phase comprising either (1) about 85.0 to about 99.5 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles, or (2) about 45 to about 98.5 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles, and about 1 to about 40 weight percent of total polymer of vinyl halide or vinylidene halide polymer particles having a diameter of from about 130 to about 225 µm and a molecular weight of from about 100,000 to about 225,000.
Claim 14
Dependent Claim
71 words
The structure as defined in Claim 13 wherein the step of adding the first and second components comprises of first dissolving from about 0.5 to about 3.0 weight percent of said non-particulate phase or agglomerated particle phase in said solvent solution of chemiluminescent compound to form a solution and then adding the remainder of said non-particulate phase and agglomerated particle phase to the thus formed solution to form said uniform slurry.
Claim 15
Dependent Claim
17 words
The structure as defined in either Claim 13 or 14 wherein the slurry is shaped by extrusion.
Claim 16
Dependent Claim
18 words
The structure as defined in either Claim 13 or 14 wherein the slurry is shaped by blow molding.
Claim 17
Dependent Claim
67 words
The structure as defined in any of Claim 13, 15, or 16 wherein solvent solution of the chemiluminescent compound and, optionally, the fluorescer, is dispersed throughout both phases and wherein the solvent is selected from dialkyl esters of phthalic acid, ethylene glycol ethers, citric acid esters or alkyl benzoates and is present in amounts of from about 0.5 parts to about 3.0 parts per part of resin.
Claim 18
Dependent Claim
35 words
The structure as defined in any of Claim 13, 15, or 16 wherein solvent solution of the chemiluminescent compound and, optionally, the fluorescer, is dispersed throughout both phases and wherein the solvent is dibutyl phthalate.
Claim 19
Dependent Claim
42 words
The structure as defined in any of Claim 14, 15, 16, 17, or 18 wherein the remainder of said non-particulate phase and agglomerated phase are added in a ratio from about 1.0 part of the remainder to about 1.4 parts of solution.
Claim 20
Dependent Claim
42 words
The structure as defined in any preceding Claim wherein solvent solution of the chemiluminescent compound and, optionally, the fluorescer, is dispersed throughout both phases and wherein the chemiluminescent compound is selected from 3-aminophthalhydrazide; 2,4,5-triphenylimidazole; 10,10'-dialkyl-9,9'-biacridinium salts; 9-chlorocarbonyl-10-methylacridinium chloride, bis(1,2-dihydro-2-oxo-1-pyridyl) glyoxal and bis(substituted-phenyl)oxalates.
Claim 21
Dependent Claim
23 words
The structure as defined in any of Claim 13, 14, 15, 16, 17, 18, or 19 wherein the chemiluminescent compound is bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate.
Claim 22
Dependent Claim
44 words
The structure as defined in any preceding Claim wherein said agglomerated particle phase constitutes polyvinylchloride resin particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles.
Claim 23
Dependent Claim
79 words
A structure as defined in any of Claim 13, 14, 15, 16, 17, 18, 19, 20, or 21 wherein said agglomerated particle phase constitutes polyvinylchloride resin particles having a diameter of from about 25 to about 125 µm and a molecular weight of from about 50,000 to about 120,000, or mixtures of said particles and polyvinylchloride resin particles having a diameter of from about 130 to about 225 µm and molecular weight of from about 100,000 to about 225,000.
References Cited (Backward Citations)
No citation records indexed.
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