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Soluble Ladder Aromatic Polymers Synthesis And Characterization Of Non Ladder Intermediates And Final Polymers
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Book Synopsis Soluble Ladder Aromatic Polymers: Synthesis and Characterization of Non-ladder Intermediates and Final Polymers by : Jian-Zhong Ruan
Download or read book Soluble Ladder Aromatic Polymers: Synthesis and Characterization of Non-ladder Intermediates and Final Polymers written by Jian-Zhong Ruan and published by . This book was released on 1986 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ladder Polymers written by Yan Xia and published by John Wiley & Sons. This book was released on 2023-05-30 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ladder Polymers An essential reference covering the latest research on ladder polymers Ladder polymers are a unique macromolecular architecture, consisting of a continuous strand of fused rings in their backbones. Such distinctive structures lead to a range of interesting thermal, optical, and electronic properties and self-assembly behaviors, which have been explored for various applications. The book Ladder Polymers: Synthesis, Properties, Applications, and Perspectives presents a collection of diverse topics in ladder polymers consisting of historical overview, state-of-the-art research and development, and potential future directions, written by leading researchers in the related fields. The topics include: Conjugated ladder polymers and graphene nanoribbons Nonconjugated microporous ladder polymers or polymers of intrinsic microporosity Covalent double-stranded polymers Supramolecular double-helical polymers and oligomers Two dimensional polymers This book is a one-stop resource on all the critical research developments in the subject of ladder polymers for broad readership including organic, polymer, and physical chemists, materials scientists and engineers, and chemical engineers.
Book Synopsis An Exploratory Study of a New Class of Stepladder and Ladder Polymers - Polyimidazopyrrolones by : George Francis Pezdirtz
Download or read book An Exploratory Study of a New Class of Stepladder and Ladder Polymers - Polyimidazopyrrolones written by George Francis Pezdirtz and published by . This book was released on 1965 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design, Synthesis, and Characterization of Reactive Aromatic Polymers by : Gary A. Deeter
Download or read book Design, Synthesis, and Characterization of Reactive Aromatic Polymers written by Gary A. Deeter and published by . This book was released on 1994 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Synthesis and Characterization of Some Thermally Stable Ladder Polymers by : Eugene Louis Mainen
Download or read book The Synthesis and Characterization of Some Thermally Stable Ladder Polymers written by Eugene Louis Mainen and published by . This book was released on 1968 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis SYNTHESIS AND CHARACTERIZATION OF THERMALLY STABLE AND/OR CONDUCTIVE POLYMERS (LADDER POLYMERS). by : HIMANSU M. GAJIWALA
Download or read book SYNTHESIS AND CHARACTERIZATION OF THERMALLY STABLE AND/OR CONDUCTIVE POLYMERS (LADDER POLYMERS). written by HIMANSU M. GAJIWALA and published by . This book was released on 1992 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: the material has a tendency to form dendritic crystals. The polymer was thermally stable up to about 400$\sp\circ$C in air.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Novel Fused Ring Ladder Polymers Prepared Via Cycloaddition Reactions of Heptacene and Pentacene Derivatives by : Vinod R. Sastri
Download or read book Synthesis and Characterization of Novel Fused Ring Ladder Polymers Prepared Via Cycloaddition Reactions of Heptacene and Pentacene Derivatives written by Vinod R. Sastri and published by . This book was released on 1984 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer Synthesis and Characterization by : Stanley R. Sandler
Download or read book Polymer Synthesis and Characterization written by Stanley R. Sandler and published by Elsevier. This book was released on 1998-05-21 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This laboratory manual covers important techniques for polymer synthesis and characterization, and provides newcomers with a comprehensive introduction to the basic principles of highlighted techniques. The reader will benefit from the clear writing style and straightforward approach to fairly complex ideas. The book also provides references that the more advanced reader can use to obtain in-depth explanations of techniques. Polymer Synthesis and Characterization will serve as a useful resource for industrial technicians and researchers in polymer chemistry and physics, material science, and analytical chemistry. - Combines the extensive industrial and teaching experience of the authors - Introduces the user to the concept of "Good Manufacturing Practice" - Presents experiments that are representative of a wide variety of polymerization and characterization methods - Includes numerous references for more advanced students, technicians, and researcher
Book Synopsis Index to American Doctoral Dissertations by :
Download or read book Index to American Doctoral Dissertations written by and published by . This book was released on 1986 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthetic Studies of Novel Aromatic Ladder Polymers from Soluble Precursor Polymers by : Menglong Hu
Download or read book Synthetic Studies of Novel Aromatic Ladder Polymers from Soluble Precursor Polymers written by Menglong Hu and published by . This book was released on 2014 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Syntheses of Non-linear Polymers and Anti-aromatic Conjugated Molecules by : Yew Chin Teo
Download or read book Syntheses of Non-linear Polymers and Anti-aromatic Conjugated Molecules written by Yew Chin Teo and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Efficient and versatile catalytic chemistry has continuously stimulated the syntheses of novel materials. This thesis describes the syntheses of non-linear polymers and anti-aromatic conjugated molecules using catalytic arene-norbornene annulation reactions and metathesis polymerizations. Bottlebrush polymers have a very high density of side chains grafted to the backbone, leading to an extended worm-like conformation. Efficient, modular synthesis of brush polymers is the first step for thorough understanding of their solution and assembly behaviors and to enable various applications. In the first part of this thesis, we investigated the limitations of the previous methods used for brush polymer synthesis. We further developed a streamlined one-pot macromonomer synthetic strategy to synthesize well-defined brush (co)polymers via ring-opening metathesis polymerization (ROMP). In the pursuit of facile methods for the synthesis of rigid ladder structures, we have developed Catalytic Arene-Norbornene AnnuLation (CANAL) chemistry to couple aryl bromides with norbornenes (NBEs) to form rigid fused norbornyl benzocyclobutene ladder structures. In the second part of this thesis, we utilized this efficient chemistry to synthesize various polymeric materials and conjugated molecules containing rigid ladder motifs. We first demonstrated the synthesis of polyladders via ROMP of rigid CANAL ladder oligomer to provide porous polymers with high solution processability. We further developed an efficient strategy to prepare star polymers cross-linked via telechelic CANAL ladder using ROMP. The arms of these star polymers can be readily cleaved under acidic conditions to allow isolation of soluble microporous organic nanoparticles. In another manifestation of CANAL chemistry, when oxaNBEs are used in place of NBEs, the CANAL products can be aromatized to form conjugated systems with fused four-membered rings. The conjugated four-membered rings also elicit antiaromaticity arising from cyclobutadienoid (CBD). Non-benzenoid structures with antiaromaticity have been much less explored with limited understanding of their properties due to the challenging synthesis. We developed a modular and streamlined CANAL-aromatization strategy to synthesize a series of polycyclic conjugated hydrocarbons containing CBDs. We further extended this CANAL-aromatization strategy to synthesize a series of regioisomeric CBD-fused phenazines and investigated the effect of bond fusion pattern on local antiaromaticity.
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Soluble, Melt-processible Aromatic Poly(amide-imides) by : Venkateshwaran N. Sekharipuram
Download or read book Synthesis and Characterization of Soluble, Melt-processible Aromatic Poly(amide-imides) written by Venkateshwaran N. Sekharipuram and published by . This book was released on 1994 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research on Synthesis Procedures for Intermediates Required for High Temperature Stable Polymers by : C. C Chappelow (Jr)
Download or read book Research on Synthesis Procedures for Intermediates Required for High Temperature Stable Polymers written by C. C Chappelow (Jr) and published by . This book was released on 1972 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Work is reported on the synthesis and/or characterization of 30 different compounds for use in studies related to the preparation of high- temperature stable polymers. As a result of this effort, 28 synthesized and/or characterized compounds were submitted as 42 individual samples. The number and type of compounds submitted are identified as follows: Perfluoro-n-alkyl iodides; Divinyl substituted aromatics; Organo-diiodides; Acenaphthene derivatives; Diether linked dicarboxylic acids; Aromatic Disulfonamides; Perfluoroalkylene bisphenols; Perfluorophenyl thiols; Ladder polymer; Substituted polyphenyl ethers; and Substituted phenyl halides. The 42 samples of the submitted compounds ranged in size drom 2.0 to 650.4 g and, in nearly all cases, the purity was at least 99%. Mass spectrometry, infrared spectroscopy, gas liquid chromatography, nuclear magnetic resonance spectroscopy, thin-layer chromatography, differential thermal analysis, viscosimetry, and elemental analysis were employed to establish structure and determine purity.
Book Synopsis Synthesis of a Conjugated Ladder Polymer for Application in Direct Writing by :
Download or read book Synthesis of a Conjugated Ladder Polymer for Application in Direct Writing written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery of electroluminescence in conjugated polymers in 1990, electro-optic devices such as light emitting diodes, flat panel all polymer displays, and lasers have received a great deal of attention. Greater conjugation in these pi-electron systems leads to enhanced fluorescence and smaller band gaps. Upon this basis we have proposed exploiting these facets via a ladder polymer. A ladder polymer is an organic polymer that consists of linear molecules in which two cyclic subunits are linked together in a regular sequence, yielding a very rigid structure. Owing to their rigid structures and enhanced conjugation these materials would find many applications in nanoelectronics and high temperature environments, as well as exhibiting high laser damage thresholds. Several synthetic routes are proposed and explored attempting to successfully synthesize an A-B or A-A type monomer. This monomer will undergo palladium catalyzed alpha-arylation to form a processible precursor polymer which then will be chemically converted to an all aromatic ladder polymer.
Book Synopsis The Synthesis and Characterization of Diels-Alder Polymers Via Benzyne Intermediates by : Jean Hlavach Dineen
Download or read book The Synthesis and Characterization of Diels-Alder Polymers Via Benzyne Intermediates written by Jean Hlavach Dineen and published by . This book was released on 1982 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: