发明名称 Photohardenable electrostatic element with improved environmental latitude
摘要 Xeroprinting process comprising (A) exposing imagewise to actinic radiation a photohardenable electrostatic master comprising (1) an electrically conductive substrate, and (2) a layer of photohardenable composition consisting essentially of (a) at least two organic polymeric binders, at least one having a Tg greater than 80 DEG C. and at least one having a Tg less than 70 DEG C., (b) at least one monomeric compound having at least one ethylenically unsaturated group, and (c) a photoinitiator or photoinitiator system, the shift in transit time (aT) of the photohardenable layer in the range of 30%</=relative humidity</=60% and 15.6 DEG C.</=temperature </=26.7 DEG C. is 15 or less, preferably 10 or less (B) charging the photohardenable master electrostatically, (C) applying an oppositely charged electrostatic toner, and (D) transferring the toned image to a receptor surface. The xenoprinting process uses the master in graphic arts, color proofing which duplicates images produced by printing, preparation of printed circuit boards, resists, soldermasks, etc.
申请公布号 US5064740(A) 申请公布日期 1991.11.12
申请号 US19900620895 申请日期 1990.12.03
申请人 E. I. DU PONT DE NEMOURS AND COMPANY 发明人 BLANCHET-FINCHER, GRACIELA B.;CHANG, CATHERINE T.;FINCHER, JR., CURTIS R.
分类号 G03G5/026;H05K3/00;H05K3/06 主分类号 G03G5/026
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