Polymeric pyridinium ylides and products prepared from same

Details Polymeric pyridinium ylides and products prepared from same Polymeric pyridinium ylides and products prepared from same

1984-06-06

1986-10-14

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Forming nonplanar surface

430275, 430270, 430325, 430313, 430318, 430275, 427 531, 427 541, G03C 516, B05D 306

Patent

active

046172530

ABSTRACT:
Polymers containing pyridinium ylide moieties are subjected to actinic irradiation to convert the pyridinium ylide moieties to water-insoluble or hydrophobic N-acyl-diazepine polymers. The polymeric pyridinium ylides can be used for the waterproofing or hydrophobization of surfaces and for the production of printing plates, photoresists, printed circuit boards and the like.

REFERENCES:
patent: 3081168 (1963-03-01), Leekley et al.
patent: 3641145 (1972-02-01), Culbertson et al.
patent: 3985793 (1976-10-01), Brooks et al.
patent: 4282201 (1981-08-01), Choi et al.
W. J. McKillip et al., "The Chemistry of Aminimides", Chemical Reviews, 1973, vol. 73, No. 3, pp. 255-281.
T. Sasaki et al., "Structures of the Photochemical Isomerization Products of Pyridinium Ylides, Diazepines and their Diels-Alder Adducts", Journal of the Chemical Society, London, Chemical Communications, Part D., vol. 9, 1969, pp. 432-433.
J. Streith et al., "Photochemical Synthesis of Ethyl 1H-Diazepine-1-carboxylate", Angewandte Chemie: International Edition in English, vol. 7, No. 2, p. 129, 1968.

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