摘要:
Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.
摘要:
Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.
摘要:
The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula [L1Mr-4L-2]o [Am]p [Zn+q(I), [L1Mr−3L−3]0 [Am]P[Zn+]q(II) or [L3Mr−2L4]0 [Am]p[Zn+]q (III), or where applicable a mesomeric or tautomeric form thereof, wherein L1 and L2 are each independently of the other and L3 and L4 are each independently of the other wherein Q1 is CR1 or N, Q2 is O, S, NR10 or Q5═Q8, Q3 is CR3 or N, Q4 is O, S, NR10 or Q7═Q8, Q5 is CR5 or N, Q6 is CR6 or N, Q7 is CR7 or N, Q8 is CR8 or N, and Q9 is 0, S, NR10 or Q6═Q8; Mr, Am−, Zn+, R2, R9 are as defined in the claims.
摘要:
Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines (I) and (II) with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media
摘要:
The invention relates to an optical storage medium comprising a substrate and a storage layer, wherein the storage layer comprises a compound of the formula (I) or (II) in which A and A′, independently of one another, are unsubstituted or mono- or di-halo-, -hydroxy-, —C1-C6alkyl-, —C1-C6alkoxy-, -cyano- or -nitro-substituted phenyl, pyridyl, pyrrolyl, imidazolyl, furyl or thienyl, which can, if desired, be fused to a benzene ring, are halide, tetrafluoroborate or unsubstituted or with one or more halogen substituted C1-C6alkane-sulfonate, benzenesulfonate, C1-C6alkylbenzenesulfonate, C1-C6alkylsulfate or di-C1-C6alkyl-phosphonate of N—C1-C6alkyl-pyridiniumyl, or are unsubstituted or mono- or di-hydroxy-substituted C2-C6alkyl or C2-C6alkenyl, whose chain may be uninterrupted or interrupted by one or two oxygen atoms, B and B′, independently of one another, are 2 H, S, S2 or SO2, and n and n′, independently of one another, are each a number from 1 to 4. The invention also relates to a process for the optical writing, storage, reading, modification or erasing of data at a wavelength of from 400 to 700 nm using a novel recording medium, to an optical recorder for the optical writing, modification or erasing of data using only continuous laser radiation or only modulated laser radiation, to a process for converting a compound of the formula (I) or (II) from a black form into a red form by mechanical force, and to new compounds of the formula (I) or (II).
摘要:
A composite structure comprising a substrate having deposited thereon an electrically conductive metal film which is coated with a layer of porous metal oxide, wherein a thin, transparent and electrically conductive film of an anodically oxidizable metal is deposited on at least one surface of said substrate, the metal film having thereon a thin transparent coating of an oxide of said metal, and wherein the oxide coating has, distributed over the surface thereof, fine pores which are closed adjacent to the metal film.The composite material can be used as an optical information recording material or as a transparent electrode.
摘要:
The invention relates to an optical recording medium, comprising a substrate and a recording layer, wherein the recording layer comprises a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 are each independently of the others hydrogen, G1 or C1-C24alkyl, C2-C24alkenyl, C2-C24alkynyl, C3-C24cycloalkyl, C3-C24cycloalkenyl, C7-C24aralkyl, C6-C24aryl, C4-C12heteroaryl or C1-C12heterocycloalkyl, each unsubstituted or substituted by one or more identical or different substituents G1, wherein R1 and R2, R1 and R13, R2 and R3, R3 and R4, R4 and R5, R5 and R6, R6 and R7, R7 and R8, R8 and R9, R9 and R10, R10 and R11, R11 and R12 and/or R12 and R13 can independently of one another be bonded to one another in pairs separately or, when they contain substitutable sites, via a direct bond or via a —CH2—, —O—, —S—, —NH— or —NC1-C24alkyl-bridge in such a manner that, together with the atoms and bonds indicated in formula (I), five- or six-membered, saturated, unsaturated or aromatic, unsubstituted or G1-substituted rings are formed, G1 is any desired substituent,? xm- is an inorganic, organic organometallic anion, Yn+ is a proton or a metal, ammonium or phosphonium cation, and m and n are each independently of the other a number from 1 to 5, and p and q are each independently of the other O or a number from 0.2 to 6, the ratio of p and q to one another, depending upon m and n and, as applicable, the number of charged G1, being such that in formula (I) there is no excess positive or negative charge. Generally the optical recording medium according to the invention additionally comprises a reflecting layer. The recording media according to the invention exhibit high sensitivity and good playback characteristics, especially at high recording and playback speeds. The light stability is also excellent.
摘要:
The invention relates to an optical recording medium comprising a substrate and a recording layer, wherein the recording layer comprises a complex of formula (I), or wherein Q2 is a ligand of formula (II), or a tautomer thereof, and R1, R2, R3, R4, R5, R6, R7, and R8 are each dependently of the others H, halogen, cyano, COOR9, CONHR9, CONR9R10, R9, OR9, SR9, NHR9 or NR9R10, wherein R9 and R10 are each independently of the other C6-C10aryl, C4-C9heteroaryl or linear or branched C1-C24alkyl, C3-C24cycloallyl, C2-C24alkenyl, C3-C24cycloalkenyl, C2-C24alkynyl, C1-C12heterocycloalkyl, C1-C12heterocycloalkenyl, unsubstituted or substituted, it also being possible for R1 and R2, R3 and R4, R5 and R6, and R7 and R8, independently of one another, to be bonded by a direct bond or via a bridge O or S, Mm+ is a transition metal cation having 5 or 6 electrons in the outermost occupied d-shell, L1 is a ligand having a sub-structure N—C, P—C or As—C, L2, independently of L1, is a further ligand containing at least one hetero atom N, P, As, O, S, Se or Te, L3− is CN−, SCN−, NCS−, OCN−, NCO−, N3—, L1-O−, L1-S—, L1-CO2−, L1-S03− or L1-P03−, L4−, independently of L3−, is CN−, SCN−, NCS−, OCN−, NCO−, N3−, L3-O−, L3-S−, L3-CO2− L3-SO3− or L3-PO3−, p and q are each independently of the other a number 0 or 1 (formula III), are each a counter-ion, m is a number 1, 2, 3 or 4 equal to the positive charge in Mm+ and n is a number −2, −1, +1 or +2, so that the quotient (formula IV) is not negative. Amorphous solid layers having excellent optical properties are obtained.