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US5057248A
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Method for production of polymeric nonlinear optical material
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1989-02-22
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Granted: 1991-10-15
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Expires: 2009-02-22
Abstract
Abstract A polymeric nonlinear optical material is produced by mixing a polyelectrolyte solution with an ionic pigment solution thereby obtaining a solution containing a composite of said polyelectrolyte and said ionic pigment, and separating said composite from said solution.
Inventors
- 👤 Hiroo Matsuda
- 👤 Shuji Okada
- 👤 Hachiro Nakanishi
- 👤 Masao Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:58
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
165 words
A method for the production of a polymeric nonlinear optical material, comprising the steps of: mixing (I) a polyelectrolyte solution containing at least one polyanion selected from the group consisting of (a) polystyrenesulfonic acid, (b) polyacrylamide sulfonic acid, (c) polyacrylic acid, (d) polymethacrylic acid, (e) inorganic or organic ion salts of said acids (a), (b), (c) and (d), and (f) copolymers of polyethylene, polystyrene, polyacrylonitrile, polyacrylate or polyethylene oxide at a maximum concentration of 95% by weight with at least one of said acids and said inorganic or organic ion salts (a), (b), (c), (d) or (e), with (II) an ionic pigment solution containing at least one member selected from the group consisting of cation pigments having a cation residue incorporated in cyanine pigments, hemicyanine pigments, diphenylmethane pigments, triphenyl methane pigments, acridine pigments, porphyrin, phthalocyanine, azo pigments, stilbene pigments, quinone pigments and coumarin pigments, thereby forming a solution containing a composite of said polyelectrolyte and said ionic pigment; and separating said composite from said solution.
Claim 2
Independent Claim
165 words
A method for the production of a polymeric nonlinear optical material, comprising the steps of: mixing (I) a polyelectrolyte solution containing at least one polyanion selected from the group consisting of (a) polystyrenesulfonic acid, (b) polyacrylamide sulfonic acid, (c) polyacrylic acid, (d) polymethacrylic acid, (e) inorganic or organic ion salts of said acids (a), (b), (c) and (d), and (f) copolymers of polyethylene, polystyrene, polyacrylonitrile, polyacrylate or polyethylene oxide at a maximum concentration of 95% by weight with at least one of said acids and said inorganic or organic ion salts (a), (b), (c), (d) or (e), with (II) an ionic pigment solution containing at least one member selected from the group consisting of cation pigments having a cation residue incorporated in cyanine pigments, hemicyanine pigments, diphenylmethane pigments, triphenyl methane pigments, acridine pigments, porphyrin, phthalocyanine, azo pigments, stilbene pigments, quinone pigments and coumarin pigments, thereby forming a solution containing a composite of said polyelectrolyte and said ionic pigment; and separating said composite from said solution.
Claim 3
Independent Claim
152 words
A method for the production of a polymeric nonlinear optical material, comprising the steps of: mixing (I) a polyelectrolyte solution containing at least one polycation selected from the group consisting of (a) polyvinylbenzyl ammonium, (b) polyionene, (c) quaternized polyvinyl pyridine, (d) inorganic or organic ion salts of said components (a) (b) or (c), and (e) copolymers of polyethylene, polystyrene, polyacrylonitrile, polyacrylate or polyethylene oxide at a maximum concentration of 95% by weight with at least one of said compounds (a), (b), (c) or (d), with (II) an anionic pigment solution containing at least one member selected from the group consisting of anion pigments having an anion residue incorporated in cyanine pigments, hemicanine pigments, diphenylmethane pigments, triphenyl methane pigments, acridine pigments, porphyrin, phthalocyanine, azo pigments, stilbene pigments, quinone pigments and coumarin pigments, thereby forming a solution containing a composite of said polyelectrolyte and said anionic pigment; and separating said composite from said solution.
Claim 4
Independent Claim
152 words
A method for the production of a polymeric nonlinear optical material, comprising the steps of: mixing (I) a polyelectrolyte solution containing at least one polycation selected from the group consisting of (a) polyvinylbenzyl ammonium, (b) polyionene, (c) quaternized polyvinyl pyridine, (d) inorganic or organic ion salts of said components (a) (b) or (c), and (e) copolymers of polyethylene, polystyrene, polyacrylonitrile, polyacrylate or polyethylene oxide at a maximum concentration of 95% by weight with at least one of said compounds (a), (b), (c) or (d), with (II) an anionic pigment solution containing at least one member selected from the group consisting of anion pigments having an anion residue incorporated in cyanine pigments, hemicanine pigments, diphenylmethane pigments, triphenyl methane pigments, acridine pigments, porphyrin, phthalocyanine, azo pigments, stilbene pigments, quinone pigments and coumarin pigments, thereby forming a solution containing a composite of said polyelectrolyte and said anionic pigment; and separating said composite from said solution.
Claim 5
Dependent Claim
23 words
A method according to claim 1, wherein said cation residue is one member selected from class consisting of ammonium residue and pyridinium residue.
Claim 6
Dependent Claim
28 words
A method according to claim 2, wherein said anion residue is at least one member selected from the group consisting of sulfonate residue, carboxylate residue, and phosphate residue.
Claim 7
Dependent Claim
34 words
A method according to claim 1, wherein said polyelectrolyte solution is a solution containing in a solvent of relatively large polarity of polyelectrolyte in a concentration in the range of 1mol to 1 mmol/liter.
Claim 8
Dependent Claim
37 words
A method according to claim 1, wherein said ionic pigment solution is a solution containing in a solvent of relatively large polarity an ionic pigment in a concentration in the range of 1 mol to 1 mmol/liter.
Claim 9
Dependent Claim
35 words
A method according to claim 2, wherein said polyelectrolyte solution is a solution containing in a solvent of relatively large polarity of polyelectrolyte in a concentration in the range of 1 mol to 1 mmol/liter.
Claim 10
Dependent Claim
37 words
A method according to claim 2, wherein said ionic pigment solution is a solution containing in a solvent of relatively large polarity an anionic pigment in a concentration in the range or 1 mol to 1 mmol/liter.
Claim 11
Dependent Claim
27 words
A method according to claim 1, wherein the inorganic salts are a chloride, bromide, iodide, tetrafluoroborate, perchlorate or bicarbonate, and the organic salts are acetate or benzenesulfonate.
Claim 12
Dependent Claim
27 words
A method according to claim 2, wherein the inorganic salts are of lithium, sodium, potassium or silver, and the organic salts are tetramethylammonium, tetra-n-butyl ammonium or methylpyridinium.
References Cited (Backward Citations)
US4231641A
Cited
US4725513A
Cited
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