摘要:
THERE IS DESCRIBED A NOVEL CLASS OF LIGHT-SENSITIVE POLYESTERS CONTAINING A 1-ARYLMETHYLIDYNE-3-INDENECARBOXYLATE GROUP OR A 5-ARYLMETHYLIDYNE -3- FURANONECARBOXYLATE GROUP AS AN INTEGRAL PART OF THE POLYMER BACKBONE. THE POLYMERS ARE INSOLUBILIZED UPON EXPOSURE TO ACTINIC RADIATION AND ARE USEFUL IN THE PREPARATION OF PHOTOMECHANICAL IMAGES.
摘要:
Polymeric dyes prepared by the copolymerization of a diorganodifunctionalsilane with a derivative of anthraquinone containing two aliphatic hydroxy groups. The polymeric dyes are useful as coloring material in photoresist formulations and for other purposes.
摘要:
CERTAIN 2(5H)-FURANONE COMPOUNDS ARE DESCRIBED AND CLAIMED. THESE COMPOUNDS, DEPENDING ON THEIR PARTICULAR STRUCTURE, ARE TEXTILE DYES, SENSITIZERS FOR ORGANIC PHOTOCONDUCTORS IN ELECTROPHOTOGRAPHY, ULTRAVIOLET ABSORBERS, FOR EXAMPLE, FOR LINEAR CONDENSATION POLYMERS OR USEFUL FOR THE HEAT STABILIZATION OF POLYESTERS, SUCH AS POLY(ETHYLENE TEREPHTHALATE). SOME OF THE COMPOUNDS HAVE MORE THAN ONE OF THE UTILITIES JUST MENTIONED. 3-CYANO-5ORTHONITROBENZYLIDENE - 4 - PHENYL - 2(5H) - FURANONE AND - 3 - CYANO-5-DIMETHYLAMINOMETHYLIDENE-4-PHENYL-2(5H)-FURANONE ARE ILLUSTRATIVE OF 2(5H)-FURANONE COMPOUNDS.
摘要:
A NOVEL CLASS OF LIGHT-SENSITIVE POLYMERS AND THEIR USE IN PHOTOGRAPHIC REPRODUCTION IS DESCRIBED WHICH CONTAINS A 1-ARYLMETHYLENEINDENE GROUP OR A 5-ARYLMETHYLENE-2 (5'')-FLURANONE GROUP ATTACHED OT A POLYMER BACKBONE.
摘要:
There is described a novel class of light-sensitive polyesters containing a 1-arylmethylidyne-3-indenecarboxylate group or a 5arylmethylidyne-3-furanonecarboxylate group as an integral part of the polymer backbone. The polymers are insolubilized upon exposure to actinic radiation and are useful in the preparation of photomechanical images.
摘要:
1-INDENYLIDENETRIARYLPHOSPHORANE IS A CLASS OF STABLE PHOSPHORUS YLIDES WHICH REACT WITH APPROPRIATE ELECTROPHILIC REAGENTS TO FORM VARIOUS DYES. SOME THE DYES ARE USEFUL SPECTRAL SENSITIZERS IN SILVER HALIDE EMULSIONS.