Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1989-08-22
1991-10-22
Hamilton, Cynthia
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430945, 430944, 430 19, 430321, 430322, 430338, 430495, 430961, 430 17, 3461351, 346 76L, 540128, 540121, 540139, 540145, G03C 1492, C09B 4704
Patent
active
050595105
ABSTRACT:
Provided is an information recording medium, e.g., an optical recording medium, and a method for recording information thereon. The information layer of the recording medium comprises an organo macrocyclic chromophore containing a central hetero atom or two central hydrogen atoms or isotopes of hydrogen, e.g., a naphthalocyanine having silicon as the hetero atom, which chromophore is substituted with at least one substituent conferring film forming properties to the chromophore, e.g., a monomer or oligomeric substituent comprised of acid, amide or ester units. The information layer thereby offers excellent thermomechanical properties and exhibits excellent absorption properties all in a single component material. By utilizing a single component material, the problem of dye/polymer phase separation frequently encountered in dye/polymer mixtures is also overcome.
REFERENCES:
patent: 3775423 (1973-11-01), Lamure
Schechtman, "Conducting Polymethallonaphthalocyaninas and Related Macrocyclic Compounds" Aug. 1983, Graduate Thesis, Aug. 1983, Case Western Reserve University.
Kuroiwa et al., "Reversible Read-Write . . . Media", Japanese Journal of Applied Physics, Part 1, vol. 22, No. 2, Feb. 1983, pp. 340-343.
Jones, Jr. R. Sidney
Kenney Malcolm E.
Nikles David E.
Hamilton Cynthia
Hoechst Celanese Corp.
Kalyanaraman P. S.
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