This thesis contributes to critical discussions of the changes wrought by developing print technologies on the literary cultures of England in the late fifteenth and sixteenth centuries. It adds to these discussions by attending specifically to the ways in which the figurative content of texts was altered by the technology of printing. The thesis argues that certain texts describe the people, places, and processes of printing in ways that can be characterised as developing and engaging a typographic imaginary. The typographic imaginary is posited as a literary phenomenon shared by different writers, a wider cultural understanding of printing, and a means to conceptualize and describe the imaginative otherness that printing introduced to literature. It is suggested that over the course of the sixteenth century printing develops a powerful figurative authority with varied, but recognizable, characteristics. Alongside discussion of early printers' manuals, the thesis particularly addresses works by William Caxton, Robert Copland, William Baldwin, Edmund Spenser and Thomas Nashe. This study proposes that the ways in which printing is figured by these authors constitute a lineage that foreshadows the representation of printing in later works, including Alexander Pope's The Dunciad.

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In paper printing, one of the most important aspects for consideration is the control of ink setting rate. Ink setting, depending on ink and press type, is a function of evaporation, curing and removal of the liquid phase by capillary mechanisms steered by the porous substrate. In most cases, absorption by the substrate is the dominating mechanism. Many paper or board substrates are coated with a layer of pigment particles and binders. It is recognised that the void network between these particles has the most important influence on the absorption dynamics. Many aspects of liquid absorption into porous networks are poorly understood. It is shown that it is necessary to characterise both the pore-level structure and the permeability of the network simultaneously. To remove indeterminate effects caused by the usually uneven thin layers of coatings adopted in practice, a novel methodology was developed in this work comprising of a range of unique techniques such as the formation of porous tablet-like blocks of CaCO3. By applying variable compression forces to a compact of fine-ground mineral, a wide ranet> of usable porosities were obtained whilst keeping the surface chemistry and skeletaldefined pore geometry constant. The samples were characterised using mercury porosimetry. The methodology included techniques to study interactions of the structures with industrially and environmentally relevant liquids. An Ink-Surface Interaction Tester (ISIT) was used to analyse ink setting behaviour as a dynamic measure of ink rheology and solids content. This device was modified to provide a measure of the time-dependent extensional strain that is applied to the ink layer in addition to the normally obtained ink tack force values. The importance of the inertial flow regime beyond that of pure viscous flow and its impact in an interconnected network structure, where liquid does not imbibe continuously in a steady laminar flow behaviour at the wetting front, are demonstrated. Mechanisms are proposed which account for the uneven wetting line and its action in leaving parts of the pore network unfilled. Along with other findings, deviations from Lucas-Washburn (LW) scaling are elucidated. These findings are discussed in the context of paper printing and give direction for developing beyond the current limits encountered using environmentally friendly minerals and ink constituents.

This thesis describes the preparation and continuous printing of zirconia ink under different conditions, as well as the development of silver inks, for the same purpose. The dispersion of sub-micrometer zirconia powder in industrial methylated spirit using other additives such as dispersant and binder was investigated with different mixing methods and at varying powder and binder contents. The use of high shear mixing by triple roll milling followed by ultrasonic disruption as well as adequate sedimentation and filtration produced a homogeneous and stable ink of 2.5 vol. % ZrO2. The ink could be printed directly and continuously on a commercial jet printer without interruption of any kind and the phenomena occurring during printing were investigated. The optimum modulation frequency for printing was determined with the generation of pear-shaped and symmetrical droplets. Printing was made on substrates of surface free energies lower and higher than the surface tension of the Zr02 ink. Powder migration was observed within a relic of the printed dot on the second type of substrate. Layers were also overprinted on the second type of substrate by varying the following: print resolution, printing interval, print area, drying conditions and ink powder loading. These series of prints were accompanied by the appearance of ridges, spattering and non-vertical walls and the effects were investigated. The wettability and shrinkage of droplets of the ceramic ink was also studied in-situ by monitoring the evolution of contact angle, width of ink-substrate interface and droplet height with a video camera. The shape of the droplet experienced different dynamics on different types of substrate. Lastly, the sedimentation behaviour of ethanol-based silver inks dispersed with different types of dispersant was investigated with respect to the sediment volume and half-value time. Deflocculated ink was obtained at a low dispersant level and powder loading.

Printing has been one of Scotland's most significant industries since it was introduced over 500 years ago but remained for much of the period, a local industry. The Scottish publishing and printing industries in the nineteenth century left many documentary traces, but most research has concentrated on large urban centres such as Edinburgh, Glasgow and Aberdeen, with regional centres of print production all but ignored. In the nineteenth century, these local print economies served the business, administrative, political and leisure needs of an increasingly urbanised Scotland. My research is focused on the operation of the support structures and networks which developed among operative printers in Scotland's regional print centres from around 1830 to the end of the nineteenth century. As a case study I have selected the Royal Burgh of Dumfries, the most important market town in south-west Scotland, which was also a stop on the route between central Scotland and the industrial centres of Lancashire, and further south to London. A local printing industry developed during the eighteenth century, and by 1830 Dumfries was the home of a range of businesses in the printing and allied trades. The examination of the local print economy investigates the businesses and organisations engaged in print production and distribution in the local area, the technologies which were in use, and the material record of the town. The individual 'print trade lives' are considered in some detail, looking at the range and variety of career patterns in the industry. The options for a larger study of print networks based on trade records are also considered. Sources for the study include local and regional trade society records, business records, trade journals and other publications, and contemporary (mainly local) newspapers. It also draws on technological manuals and other secondary material in Edinburgh Napier University's Edward Clark Collection.

In der Bereichsbibliothek Dre•punct der SLUB Dresden wird in Kooperation mit dem Lehrstuhl für Technik- und Technikwissenschaftsgeschichte der TU Dresden bis Oktober 2010 die Ausstellung „Papiergeschrei – Ein Material für alle Fälle“ zu sehen sein. Auf dem Tresen, dem Schreibtisch und in der Küche wird gezeigt, was man mit dem „Alleskönner“ alles machen kann.

The semiconducting properties of a bithiophene-naphthalene diimide copolymer (PNDIT2) prepared by Ni-catalyzed chain-growth polycondensation (P1) and commercially available N2200 synthesized by Pd-catalyzed step-growth polycondensation were compared. Both polymers show similar electron mobility of [similar]0.2 cm2 V−1 s−1, as measured in top-gate OFETs with Au source/drain electrodes. It is noteworthy that the new synthesis has several technological advantages compared to traditional Stille polycondensation, as it proceeds rapidly at room temperature and does not involve toxic tin-based monomers. Furthermore, a step forward to fully printed polymeric devices was achieved. To this end, transistors with PEDOT:PSS source/drain electrodes were fabricated on plastic foils by means of mass printing technologies in a roll-to-roll printing press. Surface treatment of the printed electrodes with PEIE, which reduces the work function of PEDOT:PSS, was essential to lower the threshold voltage and achieve high electron mobility. Fully polymeric P1 and N2200-based OFETs achieved average linear and saturation FET mobilities of >0.08 cm2 V−1 s−1. Hence, the performance of n-type, plastic OFET devices prepared in ambient laboratory conditions approaches those achieved by more sophisticated and expensive technologies, utilizing gold electrodes and time/energy consuming thermal annealing and lithographic steps. / Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

The semiconducting properties of a bithiophene-naphthalene diimide copolymer (PNDIT2) prepared by Ni-catalyzed chain-growth polycondensation (P1) and commercially available N2200 synthesized by Pd-catalyzed step-growth polycondensation were compared. Both polymers show similar electron mobility of [similar]0.2 cm2 V−1 s−1, as measured in top-gate OFETs with Au source/drain electrodes. It is noteworthy that the new synthesis has several technological advantages compared to traditional Stille polycondensation, as it proceeds rapidly at room temperature and does not involve toxic tin-based monomers. Furthermore, a step forward to fully printed polymeric devices was achieved. To this end, transistors with PEDOT:PSS source/drain electrodes were fabricated on plastic foils by means of mass printing technologies in a roll-to-roll printing press. Surface treatment of the printed electrodes with PEIE, which reduces the work function of PEDOT:PSS, was essential to lower the threshold voltage and achieve high electron mobility. Fully polymeric P1 and N2200-based OFETs achieved average linear and saturation FET mobilities of >0.08 cm2 V−1 s−1. Hence, the performance of n-type, plastic OFET devices prepared in ambient laboratory conditions approaches those achieved by more sophisticated and expensive technologies, utilizing gold electrodes and time/energy consuming thermal annealing and lithographic steps. / Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

In der Bereichsbibliothek Dre•punct der SLUB Dresden wird in Kooperation mit dem Lehrstuhl für Technik- und Technikwissenschaftsgeschichte der TU Dresden bis Oktober 2010 die Ausstellung „Papiergeschrei – Ein Material für alle Fälle“ zu sehen sein. Auf dem Tresen, dem Schreibtisch und in der Küche wird gezeigt, was man mit dem „Alleskönner“ alles machen kann.