CN1521743A - Optical recording medium dye and optical recording medium using same - Google Patents
Optical recording medium dye and optical recording medium using same Download PDFInfo
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- CN1521743A CN1521743A CNA03102386XA CN03102386A CN1521743A CN 1521743 A CN1521743 A CN 1521743A CN A03102386X A CNA03102386X A CN A03102386XA CN 03102386 A CN03102386 A CN 03102386A CN 1521743 A CN1521743 A CN 1521743A
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Abstract
The invention provides an optical recording medium dye which belongs to the category of cyanine dyestuff with the constitutional formula disclosed in the specification, wherein A, B are the same or different hydrogen atom, halogen or nitrogen containing group, R1, R2 are individual same or different substituted or un-substituted straight chain shaped or branch shaped alkyl, alkene, aralkyl, alkoxycarbonyl, alkoxy, alkylamino, alkoxyalkyl, and X is negative ion.
Description
Technical field
The invention relates to a kind of Write-only one time type digital optical recording medium, and particularly relevant for a kind of optical record medium dye and the optical record medium that uses this optical record medium dye.
Background technology
CD (Compact Disk, CD) because have that storage density height, volume are little, advantage such as storage life limit for length, height with low cost, compatible and error rate are low, therefore become the main flow of present optic informating recording medium.In various types of CDs, what be most widely used promptly is that (Compact Disc-Recordable, CD-R), its recording principle carries out the record of data for use wavelength 770nm to 830nm laser beam and reads so-called write-only disposable optical disk.
Yet, along with popularizing of multimedia (Multimedia) application message, many data all contain a large amount of literal, sound and image, the capacity of original CD-R discs 650MB can't cooperate next audio-visual demand from generation to generation, therefore in recent years industry to have proposed a kind of memory capacity be the CD-R several times, it is also short (for example: the laser light of wavelength 620nm to 690nm) carry out the various Write-only one time type digital optical recording medium etc. of high density recording and regeneration, and become the trend of following optic informating recording medium main flow to be used in laser light on the CD-R by wavelength.
This kind Write-only one time type digital optical recording medium as recording layer, and form pit by the short wavelength's laser light source irradiation that focuses on the organic optical dyestuff, reach the effect of record material.The normal at present organic optical dyestuff that uses comprises cyanine (Cyanine) dyestuff, azo (Azo) dyestuff, ketocoumaran dyestuff, indigoid dye etc.
Yet, cyanine dye wherein has cracking temperature (decomposition temperature) and the lower problem of thermal resistance (heat resistance), the occasion that for example is to use laser light to note down, the heat that the irradiation of its laser is accumulated may make the also thermal cracking and produce deformation of position that does not form news holes (pit), thereby makes that the data that is write down on the record layer on the discs is incorrect.Even even in the occasion that reads with laser, if the overlong time of laser irradiation, the heat of being accumulated might cause the problems referred to above equally, thereby make that data on the discs is incorrect or be damaged.
Summary of the invention
Therefore, purpose of the present invention is exactly at the optical record medium that a kind of optical record medium dye is provided and uses this optical record medium dye, and this kind dyestuff is a cyanine dye, can improve the thermal cracking temperature of this cyanine dye.
Another object of the present invention is exactly at the optical record medium that a kind of optical record medium dye is provided and uses this optical record medium dye, and this kind dyestuff is a cyanine dye, has long absorbing wavelength.
The present invention proposes a kind of optical record medium dye, and this kind optical record medium dye is a cyanine dye, and the structural formula (I) that this kind cyanine dye is possessed is as follows:
Wherein, A, B are indivedual identical or different hydrogen atom, halogen (Halogen) or nitrogenous bases that are, halogen comprises fluorine (F), chlorine (Cl), bromine (Br) and iodine (I), and nitrogenous base comprises one-level amino (primaryamine group ,-NH
2), secondary amino (wherein R is for containing hydrocarbon-based for secondary amine group ,-NHR), nitro (Nitro), nitroso-(Nitroso).R
1, R
2For being identical or different being substituted or the alkyl of unsubstituted straight chain shape or branch-like individually, alkenyl (alkenyl), aralkyl (aralkyl), alkoxy carbonyl group (alkoxycarbonyl), alcoxyl carboxyl (alkoxycarboxyl), alkoxy (alkoxyl), alcoxyl hydroxyl (alkyl hydroxyl), alkylamino radical (alkylamino), alkane ammonia first vinegar (alkylcarbamoyl), alkane ammonia sulfo group (alkylsulfamoyl), alkyl alkoxy (alkylalkoxyl), alkane halogenide (alkyl halide), alkylsulfonyl (alkylsulfonyl) or alkane carboxyl (alkylcarboxyl), and X
-Be negative ion.
The present invention proposes a kind of optical record medium, comprises a substrate, a recording layer, a reflection horizon and a protective seam at least.Recording layer is equipped on the substrate, and wherein recording layer comprises a dyestuff at least, and the structural formula that dyestuff possessed (I) is as follows:
Wherein, A, B comprise hydrogen atom, halogen or nitrogenous base; R
1, R
2Comprise and being substituted or alkyl, alkenyl, aralkyl, alkoxy carbonyl group, alcoxyl carboxyl, alkoxy, alcoxyl hydroxyl, alkylamino radical, alkane ammonia first vinegar, alkane ammonia sulfo group, alkyl alkoxy, alkane halogenide, alkylsulfonyl or the alkane carboxyl of unsubstituted straight chain shape or branch-like; and X-comprises negative ion; the reflection horizon is equipped on the recording layer, and protective seam is equipped on the reflection horizon.
Because the present invention imports the functional group in cyanine dye for example is nitrogenous bases such as halogen, one-level amino, secondary amino, nitro or nitroso-, therefore the cyanine dye of gained can have higher thermal cracking temperature, and can make that this cyanine dye is difficult for producing cracking/deformation because of accumulation of heat in the zone of interrogating outside the hole, and then can guarantee the correctness of record material.Moreover the maximum absorption wavelength of this cyanine dye can have long absorbing wavelength than known cyanine dye structure, and therefore cyanine dye of the present invention can be applicable to the recording layer of high power speed optical record medium.
Description of drawings
Fig. 1 illustrate is the temperature of the cyanine dye of experimental example 1 synoptic diagram to thermogravimetry.
Fig. 2 illustrate is the synoptic diagram of the maximum absorption wavelength of the cyanine dye of experimental example 2.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly elaborates.
Embodiment
By following embodiment more detailed description optical record medium dye disclosed in this invention.
The present invention proposes a kind of optical record medium dye, and this kind optical record medium dye is a cyanine dye, and the structural formula (I) that this kind cyanine dye is possessed is as follows:
Wherein, A, B Wei identical or different hydrogen atom, halogen (Halogen) or nitrogenous bases.Wherein halogen for example is to comprise fluorine (F), chlorine (Cl), bromine (Br) and iodine (I), and nitrogenous base for example is to comprise one-level amino (primary amine group ,-NH
2), secondary amino (wherein R is for containing hydrocarbon-based for secondary amine group ,-NHR), nitro (Nitro) and nitroso-(Nitroso) etc.
R
1, R
2For being identical or different being substituted or the alkyl of unsubstituted straight chain shape or branch-like, alkenyl, aralkyl, alkoxy carbonyl group, alcoxyl carboxyl, alkoxy, alcoxyl hydroxyl, alkylamino radical, alkane ammonia first vinegar, alkane ammonia sulfo group, alkyl alkoxy, alkane halogenide, alkylsulfonyl or alkane carboxyl individually.
Wherein halogen for example is to comprise fluorine, chlorine, bromine, iodine.Alkyl for example is to comprise that carbon number is 1 to 8 straight chain or branch-like structure, for example is methyl (methyl), ethyl (ethyl), propyl group (proryl), isopropyl (iso-propyl), butyl (butyl), isobutyl (iso-butyl), spy-butyl (tert-butyl), 1-methyl butyl (1-methylbutyl), 2-methyl butyl (2-methylbutyl), 3-methyl butyl (3-methylbutyl), amyl group (pentyl), isopentyl (iso-pentyl), neopentyl (neopentyl), spy-amyl group (tert-pentyl), 1-methyl amyl (1-methylpentyl), 2-methyl amyl (2-methylpentyl), 5-methyl amyl (5-methylpentyl), hexyl (hexyl), isohesyl (iso-hexyl), heptyl (heptyl), octyl group (octyl).Alkenyl for example be vinyl (vinyl), 1-propenyl (1-propenyl), 2-propenyl (2-propenyl), isopropenyl (iso-propenyl), 2-butenyl group (2-butenyl), butadienyl (1,3-butadienyl) with 2-pentenyl (2-pentenyl).Aralkyl for example is to be made of 5 methylene, usually constituted by 1 to 3 methylene, and to connect monocycle (monocyclic) or saturated many ring (polycyclic saturated) or unsaturated hydrocarbon bases (unsaturated hydrocarbon group) or heterocyclic radical (heterocyclic group) for example be phenyl (phenyl) its two ends, xenyl (biphenyl), neighbour-tolyl (o-tolyl), between-tolyl (m-tolyl), right-tolyl (p-tolyl), neighbour-cumenyl (o-cumenyl), between-cumenyl (m-cumenyl), right-cumenyl (p-cumenyl), xylyl (xylyl), trimethylphenyl (mesityl), styryl (styryl), Chinese cassia tree vinegar (cinnamoyl), naphthyl (naphthyl) etc.Alkoxy carbonyl group for example is to comprise methoxycarbonyl group (Methoxycarbonyl), carbethoxyl group (Ethoxycarbonyl), the positive third oxygen carbonyl (n-Propoxycarbonyl), the different third oxygen carbonyl (iso-Propoxycarbonyl), positive butoxy carbonyl (n-Butoxycarbonyl), isobutyl boc (iso-Butoxycarbonyl), special butoxy carbonyl (tert-Butoxycarbonyl) etc.The alcoxyl carboxyl for example is to comprise methoxy carboxyl (Methoxycarboxyl), ethoxy carboxyl (Ethoxycarboxyl), the positive third oxygen carboxyl (n-Propoxycarboxyl), the different third oxygen carboxyl (iso-Propoxycarboxyl), positive fourth oxygen carboxyl (n-Butoxycarboxyl), isobutyl oxygen carboxyl (iso-Butoxycarboxyl), special fourth oxygen carboxyl (tert-Butoxycarboxyl) etc.Alkoxy for example is to comprise methoxyl (Methoxyl), ethoxy (Ethoxyl), positive propoxy (n-Propoxyl), isopropoxy (Isopropoxyl), n-butoxy (n-Butoxyl), isobutoxy (i-Butoxyl), tert-butoxy (t-Butoxyl), n-pentyloxy (Pentoxyl) etc.The alcoxyl hydroxyl for example is to comprise methoxy hydroxyl (Methoxyhydroxyl), ethoxy hydroxyl (Ethoxyhydroxyl), the positive third oxygen hydroxyl (n-Propoxyhydroxyl), the different third oxygen hydroxyl (iso-Propoxyhydroxyl), positive fourth oxygen hydroxyl (n-Butoxyhydroxyl), isobutyl oxygen hydroxyl (iso-Butoxyhydroxyl), special fourth oxygen hydroxyl (tert-Butoxyhydroxyl) etc.Alkylamino radical for example is to comprise methylamino (Methylamino), ethylamino-(Ethylamino), n-propylamine base (n-Propylamino), n-butylamine-based (n-Butylamino), dimethyl amido (Dimethylamino), diethyl amido (Diethylamino) etc.Alkane ammonia first vinegar for example is to comprise first ammonia first vinegar (Methylcarbamoyl), second ammonia first vinegar (Ethylcarbamoyl), n-propylamine first vinegar (n-Propylcarbamoyl), the different third ammonia first vinegar (iso-Propylcarbamoyl), n-butyl amine first vinegar (n-Butylcarbamoyl), isobutyl ammonia first vinegar (iso-Butylcarbamoyl), special fourth ammonia first vinegar (tert-Butylcarbamoyl) etc.Alkane ammonia sulfo group for example is to comprise first ammonia sulfo group (Methylsulfamoyl), second ammonia sulfo group (Ethylsulfamoyl), n-propylamine sulfo group (n-Propylsulfamoyl), the different third ammonia sulfo group (iso-Propylsulfamoyl), n-butyl amine sulfo group (n-Butylsulfamoyl), isobutyl ammonia sulfo group (iso-Butylsulfamoyl), special fourth ammonia sulfo group (tert-Butylsulfamoyl) etc.Alkyl alkoxy for example is to comprise methyl methoxy base (Methylmethoxyl), ethyl methoxyl (Ethylmethoxyl), n-pro-pyl methoxyl (n-Propylmethoxyl), isopropyl methoxyl (iso-Propylmethoxyl), normal-butyl methoxyl (n-Butylmethoxyl), isobutyl methoxyl (iso-Butylmethoxyl), tertiary butyl methoxyl (tert-Butylmethoxyl) etc.Alkylsulfonyl for example is to comprise first sulphur anilide (Methylsulfonyl), second sulphur anilide (Ethylsulfonyl), the positive third sulphur anilide (n-Propylsulfonyl), the different third sulphur anilide (iso-Propylsulfonyl), positive fourth sulphur anilide (n-Butylsulfonyl), isobutyl sulphur anilide (iso-Butylsulfonyl), special fourth sulphur anilide (tert-Butylsulfonyl) etc.The alkane carboxyl for example is to comprise carboxyphenyl (Methylcarboxyl), second carboxyl (Ethylcarboxyl), positive third carboxyl (n-Propylcarboxyl), different third carboxyl (iso-Propylcarboxyl), positive fourth carboxyl (n-Butylcarboxyl), isobutyl carboxyl (iso-Butylcarboxyl), special fourth carboxyl (tert-Butylcarboxyl) etc.
X
-Be negative ion, wherein X
-Being selected from mineral acid for example is to comprise fluoric acid (fluoric acid), chloric acid (chloric acid), bromic acid (bromic acid), acid iodide (iodic acid), cross chloric acid (perchloric acid), periodic acid (periodic acid), phosphoric acid (phosphoric acid), fluorophosphoric acid salt (phosphoric acidhexafluoride), fluorine antimonate class (antimony hexafluoride), hexafluoro stannic acid salt (tin acidhexafluoride), the negative ion of fluoboric acid gained such as (fluoroboric acid), or being selected from organic acid for example is to comprise thiocyanic acid (thiocyanic acid), benzene sulfonic acid (benzenesulfonic acid), neighbour-toluenesulfonic acid (p-toluenesulfonic acid), alkyl sulfonic acid (alkylsulfonic acid), benzoic acid (benzenecarboxylic acid), alkane carboxylic acid (alkylcarboxylic acid), three alkyl halide carboxylic acids (trihaloalkylcarboxylic acid), three alkyl halide sulfonic acid (trihaloalkylsulfonic acid) and niacin (nicotinic acid), sulphur cyanogen (SCN
-) negative ion of gained such as ion.
Then, according to experimental example 1 to experimental example 3 so that the manufacture method of optical record medium dye of the present invention and optical record medium to be described, but scope of the present invention is not limited to experimental example 1 to experimental example 3.
Experimental example 1
＜cyanine dye 〉
In round-bottomed bottle, add 10 milliliters of the triethyl orthoformate (triethyl orthoformate) of iodate 1-methyl-2.3.3-trimethyl-6-bromo-benzo [e] indoles (1-methyl-2.3.3-trimethyl-6-bromo-benzo[e] indolium iodide), 0.85 gram of 5 grams and pyrimidines (pyridine), after 3 hours, room temperature is reduced in reaction in 120 ℃ of reflux.In beaker, 50 milliliters 6N hydrochloric acid is mixed with 250 milliliters distilled water and aforesaid reactant liquor is poured in the beaker slowly, stirred 8 hours.Mixed liquor is filtered, can obtain dyestuff, and with the distilled water flushing dyestuff for several times, the gained dyestuff is the 2.6g of two (1-methyl-3.3-dimethyl-6-bromo-benzo [e] indoles)-the 2:2 '-propyl group methines of iodate (bis (1-methyl-3.3-dimethyl-6-bromo-benzo[e] indo)-2:2 '-propylmethineiodide).Aforesaid dyestuff is placed round-bottomed bottle, add the fluorophosphoric acid potassium (KPF of 5.2g
6) and 30 milliliters methyl alcohol, and after stirring 24 hours, filtration can obtain crystal, and the gained crystal is two (1-methyl-3.3-dimethyl-6-bromo-benzo [e] indoles)-the 2:2 '-propyl group methine fluorophosphoric acid esters of product iodate (bis (1-methyl-3.3-dimethyl-6-bromo-benzo[e] indo)-2:2 '-propylmethine iodidehexafluorophosphate) 1.5g.The structural formula (II) of products therefrom (cyanine dye) is as follows:
Experimental example 2
＜cyanine dye 〉
Adding 4.6 gram iodate 1-butyl-2.3.3-trimethyl-6-bromo-benzo [e] indoles in round-bottomed bottle (1-butyl-2.3.3-trimethyl-6-bromo-benzo[e] indolium iodide), 5 gram iodate 1-butyl-2-(aniline vinyl)-3.3-dimethyl-benzo [e] indoles (1-butyl-2-(anilinovinyl)-3.3-dimethyl-benzo[e] indolium iodide), 10 milliliters pyridine, 2.4 the glacial acetic acid of milliliter and 2.5 milliliters triethylamine (triethyl amine).After the reflux 3 hours, room temperature is reduced in reaction.In beaker, the hydrochloric acid of 50 milliliters of 6N is mixed with 250 milliliters distilled water and aforesaid reactant liquor is poured in the beaker slowly, stirred 8 hours.Mixed liquor is filtered, can obtain dyestuff, and with the distilled water flushing dyestuff for several times, the gained dyestuff is iodate 1-butyl-3.3-dimethyl-1 '-butyl-3 ' .3 '-dimethyl-6 '-bromo-benzo [e] indoles)-2:2 '-propyl group methine (1-butyl-3.3-dimethyl-1 '-butyl-3 ' .3 '-dimethyl-6 '-bromo-benzo[e] indo-2:2 '-propylmethine iodide) 3.1g.Aforesaid dyestuff is placed round-bottomed bottle, add the sodium perchlorate's sulfuric monohydrate (sodium perchlorate monohydrate) of 6g and 35 milliliters methyl alcohol, and after stirring 24 hours, filtration can obtain crystal, and the gained crystal is product iodate 1-butyl-3.3-dimethyl-1 '-butyl-3 ' .3 '-dimethyl-6 '-bromo-benzo [e] indoles)-2:2 '-propyl group methine cross the chlorate (1-butyl-3.3-dimethyl-1 '-butyl-3 ' .3 '-dimethyl-6 '-bromo-benzo[e] indo-2:2 '-propylmethine perchlorate) 2.3g.The structural formula (III) of products therefrom (cyanine dye) is as follows:
Experimental example 3
＜optical record medium 〉
After respectively above-mentioned experimental example 1 and experimental example 2 prepared cyanine dyes being dissolved in the tetrafluoropropanol (Tetrafluoropropane) of 10ml, through obtaining filtrate behind the filter paper filtering of aperture 0.25 μ m.Get the mode of the filtrate of 5ml with rotary coating (spin on coating), be spun on on the polycarbonate resin substrate of the diameter 12cm of 500rpm speed rotation forming a coating layer with recording layer as optical record medium, and the surface of aforesaid substrate has the ditch rail of dark 160nm, wide 0.3 μ m.Dry above-mentioned substrate with optical dye coating layer 20 minutes under 85 ℃ temperature then.
Then; mode with sputter (sputtering) on recording layer plates the gold that a layer thickness is 100nm (Gold) layer as the reflection horizon; afterwards with mode spin coating one deck UV-cured resin on the reflection horizon of rotary coating; and, make it solidify to form the protective seam that thickness is 4 μ m with UV-irradiation UV-cured resin layer.And be made into an optical recording media.
Then, above-mentioned optical recording media is rotated under the speed of 7m/s, the other semiconductor lasers light that utilizes wavelength 658nm is with the power irradiation of 13MW, with record 8-14 modulation signal (Eight toFourteen Modulation, EFM).Afterwards, above-mentioned optical record medium is positioned over the test of regenerating in the DVD drive that the other semiconductor lasers optical wavelength is 658nm, and can obtains good regeneration signal.
Then, please refer to table 1, wherein A, B, R in the cyanine dye of the present invention are represented in the cyanine dye of table 1 [1]～[9]
1, R
2, when X replaces with the identical or different functional group that above-mentioned preferred embodiment was disclosed respectively, the maximum absorption wavelength of each cyanine dye that measures and thermal cracking temperature.And, the cyanine dye of the cyanine dye of table 1 [10] for being disclosed in the early stage openly H11-34499 number open case of Japan, wherein the maximum absorption wavelength of cyanine dye [10] is found in above-mentioned open case, and the thermal cracking temperature synthesizes identical cyanine dye [10] for the inventor according to above-mentioned open case, it is measured the result of thermal cracking temperature gained again.
Table 1
| Cyanine dye | Maximum absorption wavelength (methyl alcohol/nm) | Cracking temperature (℃) |
| [1]A＝B＝Br，R 1＝R 2=methyl, X=ClO 4 | ??586.8 | ????305 |
| [2]A＝B＝Br，R 1＝R 2=methyl, X=PF 6 | ????586.8 | ????330 |
| [3]A＝B＝Br，R 1=methyl, R 2=butyl X=ClO 4 | ????588.8 | ????269 |
| [4]A＝B＝Br，R 1＝R 2=butyl, X=ClO 4 | ????590.8 | ????318 |
| [5]A＝B＝Br，R 1＝R 2=butyl, X=PF 6 | ????590.8 | ????301 |
| [6]A＝H，B＝Br，R 1＝ R 2=butyl, X=ClO 4 | ????589.2 | ????287 |
| [7]A＝Br，B＝H，R 1=methyl, R 2=butyl, X=ClO 4 | ????587.2 | ????257 |
| [8]A＝H，B＝Br，R 1=methyl, R 2=butyl, X=ClO 4 | ????587.4 | ????261 |
| [9]A＝H，B＝Br，R 1＝ R 2=methyl, X=ClO 4 | ????585.4 | ????260 |
| 10]A＝B＝H，R 1＝R 2=butyl, X=ClO 4 | ????588 | ????245 |
Please be simultaneously with reference to Fig. 1 and table 1, Fig. 1 is the cyanine dye [2] in the table 1, that is be thermogravimetry (TGA) figure of the prepared cyanine dye of experimental example 1, shown in the solid line among Fig. 1, this cyanine dye [2] begins to produce the rapid loss in weight about 330 degree Celsius, hence one can see that, and the thermal cracking temperature of cyanine dye of the present invention can be up to about 330 degree Celsius.Then, please be simultaneously with reference to Fig. 2 and table 1, and Fig. 2 is the cyanine dye [6] in the table 1, that is be the wavelength absorption figure of the prepared cyanine dye of experimental example 2.By Fig. 2 and table 1 as can be known, the absorbing wavelength of this cyanine dye [6] is 589.2nm.On the other hand, please refer to the cyanine dye [10] of table 1, because the substituent A of cyanine dye [10] and B wherein arbitrary all is not replaced into disclosed functional group, therefore, though its absorbing wavelength is close with cyanine dye of the present invention [1]～[9], yet its cracking temperature is lower, has only 245 degree Celsius.
In sum, optical record medium dye of the present invention is in the cyanine dye of structural formula (I), identical or the different functional group of indivedual importings for example is nitrogenous bases such as halogen, one-level amino, secondary amino, nitro or nitroso-in the position of substituent A, B, therefore prepared cyanine dye can have higher thermal cracking temperature, thereby make that this cyanine dye is difficult for producing cracking/deformation because of accumulation of heat in the zone of interrogating outside the hole, and then can guarantee the correctness of record material.Moreover, with known cyanine dye structure in comparison, cyanine dye of the present invention can have long maximum absorption wavelength, therefore can be applicable to the recording layer of high power speed optical record medium.
And, optical record medium dye of the present invention can be widely used in various optical record mediums, for example be CD (CD), digital multi type CD (DVD), Mini Disk (Mini Disc, MD), CDV (CD that the laser CD-ROM drive is used), digital music tape (Digital Audio Tape, DAT), CD-ROM (CD-ROM), read-only type digital versatile disc (DVD-ROM) etc.
Though the present invention with a preferred embodiment openly as above; right its is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (18)
1, a kind of optical record medium dye, this kind optical record medium dye is a cyanine dye, it is characterized in that: the structural formula that this kind cyanine dye is possessed is as follows:
Wherein, A, B comprise hydrogen atom, halogen or nitrogenous base; R
1, R
2Comprise being substituted or alkyl, alkenyl, aralkyl, alkoxy carbonyl group, alcoxyl carboxyl, alkoxy, alcoxyl hydroxyl, alkylamino radical, alkane ammonia first vinegar, alkane ammonia sulfo group, alkyl alkoxy, alkane halogenide, alkylsulfonyl or the alkane carboxyl of unsubstituted straight chain shape or branch-like, and X
-Comprise negative ion.
2, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned halogen comprises fluorine, chlorine, bromine or iodine.
3, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned nitrogenous base comprises one-level amino (primary amine group), secondary amino (secondary amine group), nitro (Nitro) or nitroso-(Nitroso).
4, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned A is identical functional group with above-mentioned B.
5, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned A is different functional groups with above-mentioned B.
6, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned R
1With above-mentioned R
2Be identical functional group.
7, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned R
1With above-mentioned R
2Be different functional groups..
8, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned X
-The negative ion that comprises one of them gained of group of organizing by fluoric acid, chloric acid, bromic acid, acid iodide, mistake chloric acid, periodic acid, phosphoric acid, fluorophosphoric acid salt, fluorine antimonate class, hexafluoro stannic acid salt and fluoboric acid.
9, optical record medium dye as claimed in claim 1 is characterized in that: above-mentioned X
-The negative ion that comprises one of them gained of group of being organized by thiocyanic acid, benzene sulfonic acid, neighbour-toluenesulfonic acid, alkyl sulfonic acid, benzoic acid, alkane carboxylic acid, three alkyl halide carboxylic acids, three alkyl halide sulfonic acid and niacin, sulphur cryanide ion.
10, a kind of optical record medium is characterized in that: comprise at least:
Substrate;
Recording layer is equipped on the aforesaid substrate, and wherein this recording layer comprises a dyestuff at least, and the structural formula that this dyestuff possessed is as follows:
Wherein, A, B comprise hydrogen atom, halogen or nitrogenous base; R
1, R
2Comprise being substituted or alkyl, alkenyl, aralkyl, alkoxy carbonyl group, alcoxyl carboxyl, alkoxy, alcoxyl hydroxyl, alkylamino radical, alkane ammonia first vinegar, alkane ammonia sulfo group, alkyl alkoxy, alkane halogenide, alkylsulfonyl or the alkane carboxyl of unsubstituted straight chain shape or branch-like, and X-comprises negative ion;
The reflection horizon is equipped on the above-mentioned recording layer; And
Protective seam is equipped on the above-mentioned reflection horizon.
11, optical record medium as claimed in claim 10 is characterized in that: above-mentioned halogen comprises fluorine, chlorine, bromine or iodine.
12, optical record medium as claimed in claim 10 is characterized in that: above-mentioned nitrogenous base comprises one-level amino (primary amine group), secondary amino (secondary amine group), nitro (Nitro) or nitroso-(Nitroso).
13, optical record medium as claimed in claim 10 is characterized in that: above-mentioned A is identical functional group with above-mentioned B.
14, optical record medium as claimed in claim 10 is characterized in that: above-mentioned A is different functional groups with above-mentioned B.
15, optical record medium as claimed in claim 10 is characterized in that: above-mentioned R
1With above-mentioned R
2Be identical functional group.
16, optical record medium as claimed in claim 10 is characterized in that: above-mentioned R
1With above-mentioned R
2Be different functional groups..
17, optical record medium as claimed in claim 10 is characterized in that: above-mentioned X
-The negative ion that comprises one of them gained of group of organizing by fluoric acid, chloric acid, bromic acid, acid iodide, mistake chloric acid, periodic acid, phosphoric acid, fluorophosphoric acid salt, fluorine antimonate class, hexafluoro stannic acid salt and fluoboric acid.
18, optical record medium as claimed in claim 10 is characterized in that: above-mentioned X
-The negative ion that comprises one of them gained of group of being organized by thiocyanic acid, benzene sulfonic acid, neighbour-toluenesulfonic acid, alkyl sulfonic acid, benzoic acid, alkane carboxylic acid, three alkyl halide carboxylic acids, three alkyl halide sulfonic acid and niacin, sulphur cryanide ion.
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| CN101443197B (en) * | 2006-05-23 | 2012-03-07 | 株式会社艾迪科 | Optical recording material and cyanine compound |
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|---|---|---|---|---|
| JP3026356B2 (en) * | 1990-10-04 | 2000-03-27 | パイオニア株式会社 | Optical recording medium |
| JP3026357B2 (en) * | 1990-10-04 | 2000-03-27 | パイオニア株式会社 | Optical recording medium |
| US5976658A (en) * | 1996-11-01 | 1999-11-02 | Taiyoyuden Co., Ltd. | Optical information recording medium |
| JP3724531B2 (en) * | 1997-07-15 | 2005-12-07 | Ｔｄｋ株式会社 | Optical recording medium |
| JP3673963B2 (en) * | 1999-12-01 | 2005-07-20 | 太陽誘電株式会社 | Optical information recording medium |
| US6716509B2 (en) * | 2002-08-20 | 2004-04-06 | Cmc Magnetics Corporation | Optical recording medium |
| US6835433B2 (en) * | 2002-12-04 | 2004-12-28 | Cmc Magnetics Corporation | Optical recording medium |
-
2003
- 2003-02-12 CN CNB03102386XA patent/CN100424768C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443197B (en) * | 2006-05-23 | 2012-03-07 | 株式会社艾迪科 | Optical recording material and cyanine compound |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100424768C (en) | 2008-10-08 |
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