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    • 2. 发明授权
    • Imaging element comprising an electrically-conductive layer containing
intercalated vanadium oxide
    • 成像元件包括含有插层氧化钒的导电层
    • US6013427A
    • 2000-01-11
    • US162174
    • 1998-09-28
    • Dennis J. EichorstSylvia A. GardnerGustav R. Apai, IILong K. Duong
    • Dennis J. EichorstSylvia A. GardnerGustav R. Apai, IILong K. Duong
    • G03C1/85G03C1/89
    • G03C1/85G03C1/853G03C1/89
    • In accordance with one embodiment of the invention, an imaging element is disclosed comprising:(i) a support; (ii) at least one image forming layer; and (iii) an electrically-conductive layer comprising colloidal vanadium oxide intercalated with a water soluble vinyl-containing polymer. The electrically-conductive layer preferably additionally comprises a film-forming binder, which is distinct from the water soluble vinyl-containing polymer. The water soluble vinyl-containing polymer is preferably poly-N-vinylpyrrolidone, polyvinyl alcohol or an interpolymer thereof. Intercalation of vanadium oxide gels with water-soluble polymeric species in accordance with the present invention results in a vanadium oxide gel having improved solution stability and reduced impact of solution aging on conductivity, which improves manufacturing robustness and enables the use of many polymeric binders which could not be effectively used with conventional vanadium oxide gels in conductive layers of imaging elements.
    • 根据本发明的一个实施例,公开了一种成像元件,包括:(i)支撑件; (ii)至少一个图像形成层; 和(iii)包含插入了水溶性含乙烯基聚合物的胶态氧化钒的导电层。 导电层优选地另外包含与水溶性含乙烯基聚合物不同的成膜粘合剂。 水溶性含乙烯基聚合物优选为聚-N-乙烯基吡咯烷酮,聚乙烯醇或其互聚物。 根据本发明,氧化钒凝胶与水溶性聚合物的插入导致具有改善的溶液稳定性和减少溶液老化对电导率的影响的氧化钒凝胶,这提高了制造稳定性,并且能够使用许多聚合物粘合剂,其可以 不能有效地用于成像元件的导电层中的常规氧化钒凝胶。
    • 3. 发明授权
    • Colloidal vanadium oxide having improved stability
    • 具有改善的稳定性的胶体氧化钒
    • US6110656A
    • 2000-08-29
    • US161881
    • 1998-09-28
    • Dennis J. EichorstSylvia A. GardnerGustav R. Apai, II
    • Dennis J. EichorstSylvia A. GardnerGustav R. Apai, II
    • G03C1/85G03C1/89
    • G03C1/89G03C1/853
    • In accordance with one embodiment of the invention, a process for forming an electrically conductive layer is disclosed comprising (i) intercalating colloidal vanadium oxide with a water soluble vinyl-containing polymer, (ii) incorporating the intercalated colloidal vanadium oxide in a coating composition, and (iii) coating the coating composition on a substrate. In accordance with a second embodiment of the invention, a composition for forming an electrically conductive element or layer thereof is disclosed comprising (i) colloidal vanadium oxide intercalated with a water soluble vinyl-containing polymer and (ii) a binder which is distinct from the water soluble vinyl-containing polymer. Intercalation of vanadium oxide gels with water-soluble polymeric species in accordance with of the present invention results in a vanadium oxide gel having improved solution stability and reduced impact of solution aging on conductivity.
    • 根据本发明的一个实施方案,公开了一种用于形成导电层的方法,其包括(i)将胶体氧化钒与水溶性含乙烯基聚合物嵌入,(ii)将插入的胶体氧化钒掺入涂料组合物中, 和(iii)将涂料组合物涂布在基材上。 根据本发明的第二实施方案,公开了一种用于形成导电元件或其层的组合物,其包含(i)插入了水溶性含乙烯基聚合物的胶态氧化钒和(ii)不同于 水溶性含乙烯基聚合物。 氧化钒凝胶与根据本发明的水溶性聚合物的插入导致具有改善的溶液稳定性和降低溶液老化对电导率的影响的氧化钒凝胶。