Download or read book Synthesis and Characterization of Novel Regioregular Polythiophenes Random Copolymers of Thiophene and Studies of the GRIM Polymerization Method for the Synthesis of Polythiophenes written by Richard L. Pilston and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Conjugated Polymers written by Terje A. Skotheim and published by CRC Press. This book was released on 2006-12-26 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many significant fundamental concepts and practical applications have developed since the publication of the best-selling second edition of the Handbook of Conducting Polymers. Now divided into two books, the third edition continues to retain the excellent expertise of the editors and world-renowned contributors while providing superior coverage of

Download or read book Handbook of Conducting Polymers 2 Volume Set written by Terje A. Skotheim and published by CRC Press. This book was released on 2007-01-16 with total page 1692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn how recent advances are fueling new possibilities in textiles, optics, electronics, and biomedicine! As the field of conjugated, electrically conducting, and electroactive polymers has grown, the Handbook of Conducting Polymers has been there to document and celebrate these changes along the way. Now split into two vo

Download or read book Synthesis and Characterization of Novel Conjugated Polymers Based on Thiophene Building Blocks written by Chenggang Wang and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book American Doctoral Dissertations written by and published by . This book was released on 2001 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synthesis and Characterization of Novel Regioregular Thiophene Polymers with Polyetheric Substitutes written by Elena Sheina and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2002 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synthesis and Characterization of Polythiophene Derivatives written by Xin Chen and published by ProQuest. This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In Chapter 1, the history of conducting polymers, especially polythiophene and its derivatives, was briefly reviewed. Different approaches of structural modifications to afford small bandgap polythiophene derivatives were discussed. The emergence of metal-containing polymers (metallopolymers) as functional materials has attracted tremendous attention around the world. Introduction of metals into thiophene-based oligomers and polymers, whether the backbone or the side chain of the pi-conjugated framework, the electronic, optical, or magnetic properties of the material are expected to be significantly affected by metals through various mechanisms. Synthesis methods to prepare poly(thienylene vinylene) were also briefly reviewed in this chapter. In Chapter 2, the motivations and objectives were briefly discussed. Two structurally similar compounds, thieno[3,4-d]-1,3-dithiole-2-thione and thieno[3,4-d]-1,3-dithiol-2-one are the starting point of this project due to their unique carbondithiolate structures, which may lead to metal-dithiolate coordinated oligomers or/and polymers, or polymers crosslinked by DTTTF units. For the preparation of monomers, six types of reactions were systematically studied with focus on thieno[3,4-d]-1,3-dithiol-2-one to prepare different direvatives. Different halogenated compounds, Mannich bases, chloromethylated compounds, a number of nucleophilic substituted derivatives and a DTTTF analogue from chloromethylated compounds were successful synthesized. All products were fully characterized through 1H and 13C-NMR, FT-IR, ESI-TOF high resolution mass spectroscopy. The halogenated products were prepared through halogensuccinimides or other halogenation reagents such as Br2, I2. These halogenated compounds may be candidates to prepare homopolymer and/or copolymers bearing carbondithiolate structures by cross-coupling reactions. 4,6-Bis(chloromethyl) thieno[3,4- d]-1,3-dithiol-2-one and its nucleophilic derivatives may be good monomers for the two-step precursor polymerization to achieve fully conjugated poly(thienylene vinylene) derivatives and even metallopolymers with metal-dithiolate coordinations. Attempted polymerization reactions to homopolymers and copolymers through directly C-C coupling, such as transitional metal catalyzed cross-coupling, Stille reaction, and Ullman reaction, et al. were discussed in the beginning of Chapter 3. Base-promoted and acid-promoted polymerizations were attempted to afford soluble precursor polymers with carbondithiolate structures. However, all the symmetrical thiophene derivatives did not successfully yield processable precursor polymers; asymmetrical monomers generated some possibilities for future study. Synthesis of thiophene-based oligomers, such as dimmers (dithienyl compounds), trimers (trithienyl compounds), and heptamers were also explored in chapter 3, followed by preparation of thiophene-based copolymers through Wittig-Horner reactions. Properties of oligomers, especially trimers were well characterized by NMR, FT-IR, and ESI-TOF. Several conjugated DTTTF derivatives from trimers were prepared by the triethyl phosphite cross-coupling method. These conjugated DTTTF compounds posses some unique properties. They are stable in solid forms, but may be doped in solution forms. The copolymers were characterized by elemental analysis, and FT-IR. UV-Vis spectra of copolymers show their bandgap values are aroud 1.87eV (UV edge calculation). In the Experimental chapter, all reaction conditions of preparation of new annulated thiophene derivatives and oligomers were documented in details. Physical and spectroscopic properties of these new compounds were also presented in this chapter. Key words. polythiophene, oligomer, conjugation, synthesis, characterization, DTTTF, metallopolymer.

Download or read book Sulfur Containing Polymers written by Xing-Hong Zhang and published by John Wiley & Sons. This book was released on 2021-03-23 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: A must-have resource to the booming field of sulfur-containing polymers Sulfur-Containing Polymers is a state-of-the-art text that offers a synthesis of the various sulfur-containing polymers from low-cost sulfur resources such as elemental sulfur, carbon disulfide (CS2), carbonyl sulfide (COS) and mercaptan. With contributions from noted experts on the topic, the book presents an in-depth understanding of the mechanisms related to the synthesis of sulfur-containing polymers. The book also includes a review of the various types of sulfur-containing polymers, such as: poly(thioester)s, poly(thioether)s and poly(thiocarbonate)s and poly(thiourethane)s with linear or hyperbranched (dendrimer) architectures. The expert authors provide the fundamentals on the structure-property relationship and applications of sulfur-containing polymers. Designed to be beneficial for both research and application-oriented chemists and engineers, the book contains the most recent research and developments of sulfur-containing polymers. This important book: Offers the first comprehensive handbook on the topic Contains state-of-the-art research on synthesis of sulfur containing polymers from low-cost sulfur-containing compounds Examines the synthesis, mechanism, structure properties, and applications of various types of sulful-containing polymers Includes contributions from well-known experts Written for polymer chemists, materials scientists, chemists in industry, biochemists, and chemical engineers, Sulfur-Containing Polymers offers a groundbreaking text to the field with inforamtion on the most recent research.

Download or read book Synthesis and Characterization of Regioregular Amphiphilic Semifluoroalkyl substituted Polythiophenes and Cofacial Bis oligothienyl naphthalenes written by Shannon L. Watt and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Conjugated polymers and oligomers have been widely studied based on their wide range of useful properties and applications. Given the importance of self-assembly and charge transfer in the development of conjugated materials for use in electronic applications, it is crucial to: (i) prepare functional materials by molecular design, (ii) evaluate the structure-property relationships of new materials, and (iii) develop fundamental understanding of electronic structure and charge transport behavior. The use of conjugated polymeric materials in electronic applications relies on control of the assembly and orientation of the polymer chains in the solid state. Conjugated polymers with liquid crystalline behavior could be used to implement an additional level of control over orientation and resultant properties. Substitution of the conjugated polythiophene backbone with semifluoroalkyl side chains (i.e., the diblock -(CH2)m(CF2)nF) has afforded materials with unusual properties. The mutual immiscibility of the aromatic backbone, the alkyl side-chain segments, and the fluoroalkyl side-chain termini provides control over supramolecular packing. A series of eight polymers has been synthesized, in which the lengths of the alkyl (m) and fluoroalkyl (n) segments are varied. One regiorandom analogue and two poly(3-alkylthiophene)s were also synthesized for comparative purposes. The structure, molecular weight, and regioregularity of the polymers were evaluated using a variety of techniques.

Download or read book Synthesis of Novel Telechelic Regioregular Polythiophenes written by Robyn L. Laskowski and published by . This book was released on 2009 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synthesis and Characterization of Conducting Copolymers of Thiophene Functionalized Monomers and Polymers written by Özge Papila and published by . This book was released on 2003 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synthesis and Properties of Regioregular Polythiophenes written by Kenneth Andrew Murray and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synthetic Methods for Conjugated Polymer and Carbon Materials written by Mario Leclerc and published by John Wiley & Sons. This book was released on 2017-04-10 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concise and practical overview of the most important modern synthetic aspects of conjugated polymers and carbon materials, including their properties and applications. Well structured, this book summarizes recent achievements, outlines the current state and reviews research trends. As such, a wide variety of polymerization techniques are included on both a strategic as well as a practical level, including Stille, Suzuki , and direct (hetero)arylation polymerizations. Furthermore, it covers various carbon-rich materials, such as graphene and carbon nanotubes, followed by a look at how the different synthetic pathways and strategies influence their final properties, for example, for use in organic electronic devices. The whole is rounded off with a discussion of future technology advances. An essential reference for newcomers as well as experienced researchers in the field.

Download or read book Synthesis and Characterization of Thiophene based High Performance Polymers written by Valerie Vanessa Sheares and published by . This book was released on 1994 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Polyimides and Other High Temperature Polymers Synthesis Characterization and Applications Volume 4 written by Kash L. Mittal and published by CRC Press. This book was released on 2007-07-10 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is mostly based on papers presented at the Fourth International Symposium on this topic held in Savannah, Georgia. However, in addition to these papers, certain very relevant papers have also been included to broaden the scope and thus enhance the value of this book.Currently there is tremendous interest in these material because of their

Download or read book Synthesis and Characterization of a Random Copolymer Having Variable Thiophene Units on the Backbone written by Yusuf Güner and published by . This book was released on 2003 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: