Claims
- 1. An optical recording medium comprising a diacetylene compound and at least one compound selected from the group consisting of: (i) azulenium salt compounds, represented by the formula (II): ##STR19## wherein R.sup.11 to R.sup.17 each represent a hydrogen atom, a halogen atom or a monovalent organic radical, and A.sup.11 represents a divalent organic radical; (ii) diene compounds represented by the formula (III) or the formula (IV) shown below: ##STR20## wherein R.sup.31 represents an alkyl group, a phenyl or styryl group which may have a substituent, R.sup.32 and R.sup.36 represent arylene groups which may have a substituent for forming conjugated double bond systems with the two adjacent --CH.dbd.CH-- groups, R.sup.33 and R.sup.37 represent phenyl or naphthyl groups which may have a substituent, R.sup.34 represents an alkoxy group, R.sup.35 represents an alkyl group and A.sup.31.crclbar. represents an anion residue; and (iii) croconic methine compounds having the following basic structure: ##STR21## wherein M.sup.41.sym. represents a cation and A.sup.41 and A.sup.42 represent substituents containing an aromatic ring and/or a heterocyclic ring; wherein either said diacetylene or at least one compound selected from the group consisting of said azulenium salt compounds, diene compounds, and croconic methine compounds has a Langmuir-Blodgett film structure.
- 2. An optical recording medium according to claim 1, wherein said diacetylene compound is represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein X represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
- 3. An optical recording medium according to claim 1 comprising a mixed monomolecular film or a mixed monomolecular built-up film of said diacetylene compound and of the compound selected from the group consisting of azulenium salt compounds, diene compounds, and croconic methine compounds.
- 4. An optical recording medium according to claim 3, wherein said mixed monomolecular film or mixed monomolecular built-up film has a thickness ranging from about 500 .ANG. to about 2 .mu.m.
- 5. An optical recording medium according to claim 3, wherein the weight ratio of the diacetylene compound to the azulenium salt compound within a recording layer comprising said mixed monomolecular film or mixed monomolecular built-up film is about 1/15 to 15/1.
- 6. An optical recording medium according to claim 1 comprising a layer containing a monomolecular film of said diacetylene compound or a built-up film thereof, and a layer containing the compound selected from the group consisting of azulenium salt compounds, diene compounds, and croconic methine compounds.
- 7. An optical recording medium according to claim 6, wherein each of the two layers constituting the recording medium has a thickness ranging from about 100 .ANG. to about 1 .mu.m.
- 8. An optical recording medium according to claim 1 comprising at least one layer comprising a monomolecular film or said diacetylene compound or a built-up film thereof and at least one layer of a monomolecular film containing the compound selected from the group consisting of azulenium salt compounds, diene compounds, and croconic methine compounds or a built-up film thereof.
- 9. An optical recording medium according to claim 8, wherein the total film thickness of the diacetylene compound layers and the total film thicknesses of the layers of the compound selected from the group consisting of azulenium salt compounds, diene compounds, and croconic methine compounds are respectively in the range of about 100 .ANG. to about 1 .mu.m.
- 10. An optical recording medium according to claim 1 wherein a monomolecular film or a mixed monomolecular built-up film is formed from a molecular carrier composed of an organic compound having a salt of a compound selected from said group consisting of azulenium salt compounds, diene compounds, and croconic methine compounds.
- 11. An optical recording method comprising:
- (a) a step of irradiating a diacetylene compound with a polymerizing radiation to form a polydiacetylene compound; and
- (b) a step of writing onto an optical recording medium by irradiating with a radiation beam corresponding to recording information, said recording medium containing said polydiacetylene compound and at least one compound selected from the group consisting of
- (i) azulenium salt compounds represented by the formula (II): ##STR22## wherein R.sup.11 to R.sup.17 each represent a hydrogen atom, a halogen atom or a monovalent organic radical, and A.sup.11 represents a divalent organic radical;
- (ii) diene compounds represented by the formula (III) or the formula (IV) shown below: ##STR23## wherein R.sup.31 represents an alkyl group, a phenyl or styryl group which may have a substitutent, R.sup.32 and R.sup.36 represent arylene groups which may have a substitutent for forming conjugated double bond systems with the two adjacent --CH.dbd.CH-- groups, R.sup.33 and R.sup.37 represent phenyl or naphthyl groups which may have a substitutent, R.sup.34 represents an alkoxy group, R.sup.35 represents an alkyl group and A.sup.31(-) represents an anion residue;
- (iii) croconic methine compounds having the following basic structure: ##STR24## wherein M.sup.41(+) represents a cation and A.sup.41 and A.sup.42 represent substituents containing an aromatic ring and/or a heterocyclic ring; and
- (iv) polymethine compounds represented by the formula (V) or the formula (VI) shown below: ##STR25## wherein R.sup.51, R.sup.52 and R.sup.53 each independently represent an aryl group which may have a substituent, R.sup.54 and R.sup.55 represent arylene groups which may have a substituent for forming conjugated double bond systems with the adjacent two --CH.dbd.CH-- groups, R.sup.56 represents hydrogen or an aryl group which may have a substituent and A.sup.51(-) represents an anion residue to cause color change of the polydiacetylene compound.
- 12. An optical recording method according to claim 11 wherein said radiation beam is a ray of 700 to 1000 nm.
- 13. An optical recording medium, comprising a diacetylene compound and a polymethine compound represented by formulas (V) or (VI): ##STR26## wherein R.sup.51, R.sup.52 and R.sup.53 each independently represent an aryl group which may have a substituent, R.sup.54 and R.sup.55 represent arylene groups which may have a substituent for forming conjugated double bond systems with the adjacent two --CH.dbd.CH-- groups, R.sup.56 represents hydrogen or an aryl group which may have a substituent and .sup..sym. A.sup.51 represents an anion residue, wherein either said diacetylene compound or said polymethine compound has a Langmuir-Blodgett film structure.
- 14. An optical recording medium according to claim 13, wherein said diacetylene compound is represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein X represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
- 15. An optical recording medium according to claim 13, comprising a mixed monomolecular film or a mixed monomolecular built-up film of said diacetylene compound and said polymethine compound.
- 16. An optical recording medium according to claim 15, wherein said mixed monomolecular film or mixed monomolecular built-up film has a thickness ranging from about 500 .ANG. to about 2 .mu.m.
- 17. An optical recording medium according to claim 13, comprising a layer containing a monomolecular film of said diacetylene compound or a built-up film thereof, and a layer containing said polymethine compound.
- 18. An optical recording medium according to claim 17, wherein each of the two layers constituting the recording medium has a thickness ranging from about 100 .ANG. to about 1 .mu.m.
- 19. An optical recording medium according to claim 13, comprising at least one layer comprising a monomolecular film of said diacetylene compound or a built-up film thereof and at least one layer of monomolecular film of said polymethine compound or a built-up film thereof.
- 20. An optical recording medium according to claim 19, wherein the total film thickness of the diacetylene compound layers and the total film thicknesses of the polymethine compound layers are respectively in the range of about 100 .ANG. to about 1 .mu.m.
- 21. An optical recording medium according to claim 13, wherein a monomolecular film or a mixed monomolecular built-up film is formed from a molecular carrier composed of an organic compound having the polymethine compound.
- 22. An optical recording medium, comprising a polydiacetylene compound and at least one compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, and croconic methine compounds wherein either said polydiacetylene or at least one compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, and croconic methine compounds has a Langmuir-Blodgett film structure.
- 23. An optical recording medium according to claim 22, wherein said polydiacetylene compound having a structure unit represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein X represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
- 24. An optical recording medium according to claim 22, wherein said azulenium salt compounds are represented by the formula (II): ##STR27## wherein R.sup.11 to R.sup.17 each represent a hydrogen atom, a halogen atom or a monovalent organic radical, and A.sup.11 represents a divalent organic radical.
- 25. An optical recording medium according to claim 22, wherein said pyrylium dyes have the following basic structure: ##STR28## wherein X represents an oxygen atom, a sulfur atom or a selenium atom, R.sup.21, R.sup.22 and R.sup.23 represent various organic radicals and A.sup.21.crclbar. represents an anion.
- 26. An optical recording medium according to claim 22, wherein said diene compounds are represented by the formula (III) or the formula (IV) shown below: ##STR29## wherein R.sup.31 represents an alkyl group, a phenyl or styryl group which may have a substituent, R.sup.32 and R.sup.36 represent arylene groups which may have a substituent for forming conjugated double bond systems with the two adjacent --CH.dbd.CH-- groups, R.sup.33 and R.sup.37 represent phenyl or naphthyl groups which may have a substituent, R.sup.34 represents an alkoxy group, R.sup.35 represents an alkyl group and A.sup.31.crclbar. represents an anion residue.
- 27. An optical recording medium according to claim 22, wherein said croconic methine compounds have the following basic structure: ##STR30## wherein M.sup.41.sym. represents a cation and A.sup.41 and A.sup.42 represent substituents containing an aromatic ring and/or a heterocyclic ring.
- 28. An optical recording medium according to claim 22, comprising a mixed monomolecular film or a mixed monomolecular built-up film of said polydiacetylene compound and of the compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, and croconic methine compounds.
- 29. An optical recording medium according to claim 28, wherein said mixed monomolecular film or mixed monomolecular built-up film has a thickness ranging from about 500 .ANG. to about 2 .mu.m.
- 30. An optical recording medium according to claim 28, wherein the weight ratio of the polydiacetylene compound to said azulenium salt compound within a recording layer comprising said mixed monomolecular film or mixed monomolecular built-up film is about 1/15 to 15/1.
- 31. An optical recording medium according to claim 22, comprising a layer containing a monomolecular film of said polydiacetylene compound or a built-up film thereof, and a layer containing the compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, croconic methine compounds.
- 32. An optical recording medium according to claim 31, wherein each of the two layers constituting the recording medium has a thickness ranging from about 100 .ANG. to about 1 .mu.m.
- 33. An optical recording medium according to claim 22, comprising at least one layer comprising a monomolecular film of said polydiacetylene compound or a built-up film thereof and at least one layer of a monomolecular film containing the compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, and croconic methines, or a built-up film thereof.
- 34. An optical recording medium according to claim 33, wherein the total film thicknesses of the polydiacetylene compound layers and the total film thicknesses of the layers of the compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, and croconic methine compounds are respectively in the range of about 100 .ANG. to about 1 .mu.m.
- 35. An optical recording medium according to claim 22, wherein a monomolecular film or a mixed monomolecular built-up film is formed from a molecular carrier composed of an organic compound having a salt of a compound selected from said group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, and croconic methine compounds.
- 36. An optical recording medium, comprising a polydiacetylene compound and a polymethine compound represented by the formulas V or VI: ##STR31## wherein R.sup.51, R.sup.52 and R.sup.53 each independently represent an aryl group which may have a substituent, R.sup.54 and R.sup.55 represent arylene groups which may have a substituent for forming conjugated double bond systems with the adjacent two --CH.dbd.CH-- groups, R.sup.56 represents hydrogen or an aryl group which may have a substituent and .sup..crclbar. A.sup.51 represents an anion residue, wherein either said polydiacetylene compound or said polymethine compound has a Langmuir-Blodgett film structure.
- 37. An optical recording medium according to claim 36, wherein said polydiacetylene compound has a structure unit represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein X represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
- 38. An optical recording medium according to claim 36, comprising a mixed monomolecular film or a mixed monomolecular built-up film of said polydiacetylene compound and said polymethine compound.
- 39. An optical recording medium according to claim 38, wherein said mixed monomolecular film of mixed monomolecular built-up film has a thickness ranging from about 500 .ANG. to about 2 .mu.m.
- 40. An optical recording medium according to claim 36, comprising a layer containing a monomolecular film of said polydiacetylene compound or a built-up film thereof, and a layer containing said polymethine compound.
- 41. An optical recording medium according to claim 40, wherein each of the two layers constituting the recording medium has a thickness ranging from about 100 .ANG. to about 1 .mu.m.
- 42. An optical recording medium according to claim 36, comprising at least one layer comprising a monomolecular film of said polydiacetylene compound or a built-up film thereof and at least one layer of a monomolecular film of said polymethine compound or a built-up film thereof.
- 43. An optical recording medium according to claim 42, wherein the total film thicknesses of the polydiacetylene compound layers and the total film thickness of the polymethine compound layers are respectively in the range of about 100 .ANG. to about 1 .mu.m.
- 44. An optical recording medium according to claim 36, wherein a monomolecular film or a mixed monomolecular built-up film is formed from a molecular carrier composed of an organic compound having the polymethine compound.
- 45. An optical recording method according to claim 11, wherein either said polydiacetylene compound or said at least one compound selected has a Langmuir-Blodgett film structure.
- 46. An optical recording method according to claim 11, wherein said polydiacetylene compound has a structure unit represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein x represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
- 47. An optical recording method comprising a step of writing onto an optical recording medium by irradiation with a radiation beam corresponding to recording information, the recording medium containing a diacetylene compound and at least one compound selected from the group consisting of (i) azulenium salt compounds represented by the formula (II): ##STR32## wherein R.sup.11 to R.sup.17 each represent a hydrogen atom, a halogen atom or a monovalent organic radical, and A.sup.11 represents a divalent organic radical; (ii) diene compounds represented by the formula (III) or the formula (IV) as follows: ##STR33## wherein R.sup.31 represents an alkyl group, a phenyl or styryl group which may have a substituent, R.sup.32 and R.sup.36 represent arylene groups which may have a substituent for forming conjugated double bond systems with the two adjacent --CH.dbd.CH-- groups, R.sup.33 and R.sup.37 represent phenyl or naphthyl groups which may have a substituent, R.sup.34 represents an alkoxy group, R.sup.35 represents an alkyl group and A.sup.31.crclbar. represents an anion residue; and (iii) croconic methine compounds having the following basic structure: ##STR34## wherein M.sup.41.sym. represents a cation and A.sup.41 and A.sup.42 represent substituents containing an aromatic ring and/or a heterocyclic ring, to cause color change of the diacetylene compound.
- 48. An optical recording method according to claim 47 wherein either said diacetylene or said at least one compound selected from the group consisting of azulenium salt compounds, diene compounds, and croconic methine compounds has a Languir-Blodgett film structure.
- 49. An optical recording method according to claim 47 wherein said diacetylene compound is represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein X represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
- 50. An optical recording method comprising a step of writing onto an optical recording medium by irradiating with a radiation beam corresponding to a diacetylene compound and a polymethine compound represented by formulas V or VI to cause color change of the diacetylene compound: ##STR35## wherein R.sup.51, R.sup.52 and R.sup.53 each independently represent an aryl group which may have a substituent, R.sup.54 and R.sup.55 represent arylene groups which may have a substituent for forming conjugated double bond systems with the adjacent two --CH.dbd.CH-- groups, R.sup.56 represents hydrogen or an aryl group which may have a substituent and .sup..crclbar. A.sup.51 represents and anion residue.
- 51. An optical recording method according to claim 50 wherein either said diacetylene or said polymethine compounds have a Langmuir-Blodgett film structure.
- 52. An optical recording method according to claim 50 wherein said diacetylene compound is represented by the formula (I):
- H(CH.sub.2).sub.m --C.tbd.C--C.tbd.C--(CH.sub.2).sub.n --X (I)
- wherein X represents a hydrophilic group for forming hydrophilic site, and m and n represent integers.
Priority Claims (25)
Number |
Date |
Country |
Kind |
60-187735 |
Aug 1985 |
JPX |
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60-187737 |
Aug 1985 |
JPX |
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60-187739 |
Aug 1985 |
JPX |
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60-270786 |
Dec 1985 |
JPX |
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60-270789 |
Dec 1985 |
JPX |
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60-271349 |
Dec 1985 |
JPX |
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60-281636 |
Dec 1985 |
JPX |
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60-281637 |
Dec 1985 |
JPX |
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60-281638 |
Dec 1985 |
JPX |
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60-282211 |
Dec 1985 |
JPX |
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60-282213 |
Dec 1985 |
JPX |
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60-290483 |
Dec 1985 |
JPX |
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60-290484 |
Dec 1985 |
JPX |
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60-290487 |
Dec 1985 |
JPX |
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60-290488 |
Dec 1985 |
JPX |
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60-291902 |
Dec 1985 |
JPX |
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60-291904 |
Dec 1985 |
JPX |
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60-291905 |
Dec 1985 |
JPX |
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61-675 |
Jan 1986 |
JPX |
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61-1332 |
Jan 1986 |
JPX |
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61-3675 |
Jan 1986 |
JPX |
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61-4175 |
Jan 1986 |
JPX |
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61-7839 |
Jan 1986 |
JPX |
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61-7840 |
Jan 1986 |
JPX |
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61-15859 |
Jan 1986 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 899,909 filed 8/25/86, abandoned.
US Referenced Citations (9)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0125246 |
Jul 1983 |
JPX |
0217391 |
Dec 1983 |
JPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
899909 |
Aug 1986 |
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