Sökning: "Paper"

Visar resultat 26 - 30 av 13346 avhandlingar innehållade ordet Paper.

1. 26. Formation and properties of polyelectrolyte multilayers on wood fibres : influence on paper strength and fibre wettability

   Författare :Rikard Lingström; Lars Wågberg; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; polyelectrolyte; multilayer; adsorption; reflectance; contact angle; dynamics; paper; mechanical properties; individual; wood fibre; Chemistry; Kemi;

   Sammanfattning : The work in this licentiate thesis examines the adsorption of polyelectrolyte multilayers (PEM) onto wood fibres as a new way to influence the properties of the fibre surfaces and hence the fibres. Fundamental aspects of PEM formation on wood fibres have been studied, and discussed in terms of paper strength and wood fibre wettability. LÄS MER

3. 27. Study of Paper Dry Strength Additives on Cellulose Fibres

   Författare :Mengxiao Zhao; Torbjörn Pettersson; Lars Wågberg; Leif Robertsén; Tekla Tammelin; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Paper dry strength additives; adsorption of polymer; polyelectrolyte; birch fibres; model cellulose surface; cellulose beads; filaments; light-weight paper board; polyacrylamide; cationic starch; Torrstyrkekemikalier; polymeradsorption; polyelektrolyter; cellulosafibrer; modellcellulosaytor; cellulosakulor; lättviktsliner; polyakrylamid; katjonstärkelse; Fiber- och polymervetenskap; Fibre and Polymer Science;

   Sammanfattning : Paper packaging is commonly found in the form of paper and cardboard boxes, but recently paper packing is being used in food packaging, trays, beverage packaging and even paper straws, among others. Paper strength additives have been developed to increase the efficiency of the joint strength and the joint areas and potentially maintain bulk in paper products. LÄS MER

4. 28. Static and Dynamic Modelling of the Drying Section of a Paper Machine

   Författare :Magnus Karlsson; Avdelningen för kemiteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Pappers- och massateknik; Modelling; Wood; Paper; Multi-Cylinder; Simulation; Control; Steam; Air; Dew Point; Moisture Gradients; pulp and paper technology; Pressure Gradients;

   Sammanfattning : The paper making process involves chopping of wood, cooking and forming, followed by dewatering in a vacuum section, press section and drying section. Several models for the most important parts of the paper machine drying section are presented in this thesis to describe phenomena at steady state and during state transitions. LÄS MER

5. 29. Ink-paper interaction : a study in ink-jet color reproduction

   Författare :Li Yang; Linköpings universitet; []
   Nyckelord :;

   Sammanfattning : An ink jet printing system consists of three fundamental parts: inks, printing engine, and substrates. Inks are materials creating color by selectively absorbing and scattering the visible illumination light. The printer acts as an ink distributor that governs the ink application. LÄS MER

7. 30. Monsoon Paper Dragons : Transparency, Accountability, Risk, and Compliance in Banking Regulation and Practice

   Författare :Shruti Kashyap; Fredrik Nilsson; Nils-Göran Olve; Einar Iveroth; Martin Messner; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Accountability; Banking; Compliance; Financial Regulation; Risk Control; Transparency; Business Studies; Företagsekonomi;

   Sammanfattning : This dissertation explores the overall research question of how transparency- and accountability-driven post-crisis financial regulations within the European Union (EU) have influenced risk control and compliance in banks. The dissertation consists of five substantive chapters: an introductory synthesis; a published law journal article; two published book chapters, one of which is an extensive literature review; and one working paper that has previously been presented at multiple international conferences and is currently under review with a European journal in the field of accounting. LÄS MER