Electrostatographic imaging member and process using anthracene

Details Electrostatographic imaging member and process using anthracene Electrostatographic imaging member and process using anthracene

1975-03-07

1977-08-23

Kimlin, Edward C.

Gas separation: apparatus

Magnetic separating means

252501, G03G 504

Patent

active

040438120

ABSTRACT:
Process for preparation of 2-anthryl and substituted 2-anthryl functional monomers and polymers. In the process for preparation of these monomers, an anthracenic reactant of the formula: ##STR1## wherein X and Y are independently selected from hydrogen, chlorine, bromine, alkyl of 1 to 4 carbon atoms or phenyl
Is acylated in nitrobenzene under conditions which favor reaction at the two position. The resulting acylated product can then be (a) reacted with an alkylidenephosphorane (Wittig synthesis) or (b) reduced to the corresponding alcohol. Subsequent to such reduction, this alcohol can undergo further modification at the hydroxyl function to form a polymerizable addition monomer. Through the proper selection of the relative concentration of reactants and control over processing conditions, it is possible not only to prepare such monomers in high yields but also upon polymerization of such monomers, to obtain high molecular weight 2-anthryl and substituted 2-anthryl functional polymers (molecular weight of at least 10.sup.4). Polymers of such high molecular weight can readily be formed without the use of binders into self-supporting films. Such films are intrinsically photoconductive in the ultraviolet region of the electromagnetic spectrum and have good transport capabilities for charge carriers of both polarities.

REFERENCES:
patent: 2980535 (1961-04-01), Schroeter
patent: 3131060 (1964-04-01), Cassiers et al.
patent: 3418116 (1968-12-01), Inami et al.
patent: 3464819 (1969-09-01), Inami et al.
patent: 3850630 (1974-11-01), Regensburger et al.
patent: 3870516 (1975-03-01), Smith et al.

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