Polymers having phthalocyanine units and their use as optically

Details Polymers having phthalocyanine units and their use as optically Polymers having phthalocyanine units and their use as optically

1990-03-07

1992-06-09

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of silicon containing

528 15, 528 25, 528 29, 528 32, 528 34, 528395, 528423, 428332, 428333, 525478, B32B 906

Patent

active

051206102

ABSTRACT:
Novel polymers contain phthalocyanine ring systems bonded via axial bonds to a central metal atom in the polymer chain and consist of repeating units of the general formula (I) ##STR1## In the general formula (I), Pc.sup.s is a phthalocyanine ring system having peripheral substituents, Me is the central atom of the phthalocyanine ring system, which atom is bonded in the polymer main chain, suitable central metal atoms Me being silicon and germanium, R is alkylene, R' and R" are each alkyl, cycloalkyl, aryl or alkoxy and Z is a silicon-carbon bond or further Si-containing groups. The novel polymers can be particularly advantageously used for the production of ultrathin layers by the LB technique, optically transparent films having high optical anisotropy and a high volume concentration of phthalocyanine radicals being formed.

REFERENCES:
patent: 4828917 (1989-05-01), Wegner et al.
patent: 4886685 (1989-12-01), Wegner et al.
Cofacial Assembly of Partially Oxidized Metallomacrocycles . . . , J. Am. Chem. Soc. 1983, 105, 1539-1550, Dirk et al., Inorganic Chemistry, vol. 2, pp. 1064-1065 (1963).
Mol. Cryst. Liq. Cryst, 1988, vol. 162B, pp. 97-118, Control of the Discotic to Isotropic Transition in Alkoxy-Substituted . . . Sauer et al.
Angew. Chem., vol. 98, pp. 1114-1115 (1986) No. 12.

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