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    • 32. 发明授权
    • Phosphoric acid ester surface modifiers for silver carboxylate nanoparticles
    • 用于银羧酸盐纳米粒子的磷酸酯表面改性剂
    • US06387611B2
    • 2002-05-14
    • US09764665
    • 2001-01-18
    • Mark LelentalDavid A. DickinsonJames L. WakleyMichael W. OremPeter J. Ghyzel
    • Mark LelentalDavid A. DickinsonJames L. WakleyMichael W. OremPeter J. Ghyzel
    • G03C1498
    • G03C1/498G03C1/49809G03C1/4989
    • There is disclosed an oxidation-reduction imaging forming composition comprising an aqueous based dispersion of (i) nanoparticulate silver carboxylate particles having on the surface of the particles a surface modifier which is a phosphoric acid ester and (ii) an organic reducing agent. In particular, the surface modifiers can be mixtures of mono- and di-esters of orthophosphoric acid and hydroxyl-terminated, oxyethylated long-chain alcohols or oxyethylated alkyl phenols or derivatives thereof. Also disclosed are various compositions including the dispersions including oxidation-reduction imaging forming compositions, thermographic elements and photothermographic compositions and elements. The preferred carboxylate is a silver salt of a long chain fatty acid such as silver behenate. A media milling method and a controlled precipitation method of making the dispersions are also disclosed
    • 公开了一种氧化还原成像组合物,其包含(i)纳米颗粒状羧酸银颗粒的水性分散体,其在颗粒表面上具有作为磷酸酯的表面改性剂和(ii)有机还原剂。 特别地,表面改性剂可以是正磷酸和羟基封端的羟乙基化长链醇或羟乙基化烷基酚或其衍生物的单酯和二酯的混合物。 还公开了包括包括氧化还原成像组合物,热成像元件和光热成像组合物和元素的分散体的各种组合物。 优选的羧酸酯是长链脂肪酸的银盐,例如山嵛酸银。 还公开了制备分散体的介质研磨方法和受控沉淀法
    • 34. 发明授权
    • Electrically active inorganic interlayer for electrically activatable
recording
    • 电活性无机中间层,用于电激活记录
    • US4409307A
    • 1983-10-11
    • US411770
    • 1982-08-26
    • Mark LelentalArthur A. RaschDavid P. Sullivan
    • Mark LelentalArthur A. RaschDavid P. Sullivan
    • G03G5/026G03G5/153G03G13/00G03G13/22
    • G03G5/026G03G5/153
    • In an electrically activatable recording (EAR) element comprising an electrically conductive support bearing (a) a first layer, and, contiguous to the first layer, (b) an electrically activatable recording layer, image formation in the electrically activatable recording layer is aided when the first layer (a) consists essentially of a compound selected from the group consisting of silver chlorides, silver bromides, silver iodides, transition metal bromides, transition metal chlorides, alkali metal chlorides, alkali metal bromides, alkali metal iodides, mixed chlorides, bromides and iodides of such metals and combinations of such compounds. The EAR element is light handleable when free of photosensitive silver halide and provides an image, after electrically activated exposure by dry development processing or by processing in a processing solution or bath.
    • 在可激活的记录(EAR)元件中,其包括导电支撑轴承(a)第一层,并且与第一层邻接,(b)可电激活的记录层,辅助电可激活记录层中的图像形成 第一层(a)基本上由选自氯化银,溴化银,碘化银,过渡金属溴化物,过渡金属氯化物,碱金属氯化物,碱金属溴化物,碱金属碘化物,混合氯化物,溴化物 这些金属的碘化物和这些化合物的组合。 当没有感光卤化银时,EAR元件是可轻易处理的,并且通过干式显影处理电激活曝光或通过在处理溶液或浴中加工而提供图像。
    • 35. 发明授权
    • Polyester interlayers for electrically activatable recording (ear)
elements
    • 用于电可激活记录(耳)元件的聚酯夹层
    • US4309497A
    • 1982-01-05
    • US159089
    • 1980-06-13
    • Mark LelentalMohammad A. Sandhu
    • Mark LelentalMohammad A. Sandhu
    • G03G17/00G03C1/498G03C1/73G03G5/153G03G13/00G03G13/12
    • G03G5/153G03C1/49881
    • In an electrically activatable recording element, such as one comprising an electrically conductive support having thereon, in sequence: (a) a polymeric electrically active conductive (EAC) layer, (b) an electrically activatable recording layer comprising (A) a dye-forming coupler, and (B) an oxidation-reduction combination comprising (i) an organic silver salt oxidizing agent, such as a silver salt of a 1,2,4-mercaptotriazole derivative, with (ii) a reducing agent which, in its oxidized form, forms a dye with the dye-forming coupler, (c) a photoconductive layer separated from (b) by an air gap of up to 20 microns, and (d) an electrically conductive layer; improvements are provided by means of a polymeric EAC layer (a) comprising a halogen containing polyester, such as poly(2,2'-oxydiethylene:2,2'-dimethyl 1,3-propylene 50:50-2,5-dibromoterephthalate) and poly(ethylene:2,2-dimethyl-1,3-propylene 50:50-2,5-dibromoterephthalate). The recording element is room light handleable and provides a dye image and silver image by dry development processing.
    • 在可激活的记录元件中,例如包括其上的导电载体的顺序:(a)聚合物电活性导电(EAC)层,(b)可电激活的记录层,其包含(A)成染染色剂 成色剂,和(B)氧化还原组合,其包含(i)有机银盐氧化剂,例如1,2,4-巯基三唑衍生物的银盐,和(ii)还原剂,其在其氧化 形成染料,与染料形成成色剂形成染料,(c)通过高达20微米的气隙与(b)分离的光电导层,和(d)导电层; 通过包含含卤素聚酯的聚合物EAC层(a)提供改进,例如聚(2,2'-氧联二乙烯:2,2'-二甲基-1,3-丙烯50:50-2,5-二溴对苯二甲酸酯 )和聚(乙烯:2,2-二甲基-1,3-丙烯50:50-2,5-二溴对苯二甲酸酯)。 记录元件是室内光线处理,通过干式显影处理提供染色图像和银色图像。