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Synthesis And Characterisation Of Novel Substituted Aromatic Polyesters And Investigation Of Their Potential Lyotropic Liquid Crystalline Nature
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Book Synopsis Synthesis and Characterisation of Novel Substituted Aromatic Polyesters and Investigation of Their Potential Lyotropic Liquid Crystalline Nature by : David T. B. Hannah
Download or read book Synthesis and Characterisation of Novel Substituted Aromatic Polyesters and Investigation of Their Potential Lyotropic Liquid Crystalline Nature written by David T. B. Hannah and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid Crystal Polymers by : D. Coates
Download or read book Liquid Crystal Polymers written by D. Coates and published by iSmithers Rapra Publishing. This book was released on 2000 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystal polymers (LCPs) have a wide range of uses, from strong engineering plastics to delicate gels for use in liquid crystal (LC) displays. For this reason, it is essential reading for materials scientists, engineers or technologists in industry, as well as research laboratories or academia. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.
Book Synopsis The Synthesis and Characterisation of Novel N-substituted Poly(pyrroles). by : Lee A. Kay
Download or read book The Synthesis and Characterisation of Novel N-substituted Poly(pyrroles). written by Lee A. Kay and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Substituted Aromatic Polyesters by : Scott Lee
Download or read book Substituted Aromatic Polyesters written by Scott Lee and published by . This book was released on 1992 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Two liquid crystalline aromatic polyesters were studied by isothermal degradation techniques. Both polymers contain a common phenyl side chain group. However, one contains a styryl side chain and the other contains an a-methylstyryl side chain. Isothermal degradations under nitrogen and air were carried on both polymers. From the GC/MS analysis of the cold traps, it showed that both polymers gave off benzene or oxygenated benzene related products. Homopolymers containing only phenyl or a-methylstyryl side chain were prepared by solution polymerization techniques. Then isothermal degradation under air were also carried out on both homopolymers. The GC/MS analysis showed that the a-methylstyryl side chain was responsible for the formation of the oxygenated benzene products. The activation energies determined for the polyesters did not show the relative stability of the polyesters as expected. Solution polymerized polyester 6 was studied initially under both air and nitrogen atmospheres using the Perkin-Elmer TGS-2 TGA. For polyester 6 under nitrogen, the activation energy (Eg) was determined to be 43 kcal/mole. Polyester 6 under air, the Ea determined were 31 kcal/mole for the initial rate and 28 kcal/mole for the final rate. Then using the Seiko thermal instrumentation, all of the polyesters were studied under flowing air. The Ea for polyester 6 was determined to be 22 kcal/mole for the initial rate and 12 kcal/mole for the final rate. Solution polymerized polyester 7 had calculated Ea of 36 kcal/mole. Melt polymerized polyester 7 had calculated Ea of 14 kcal/mole for the initial rate and 11 kcal/mole for the final rate. Solution polymerized polyester 8 had calculated Ea of 16 kcal/mole for the initial rate and 12 kcal/mole for the final rate. Solution polymerized polyester 9 had calculated Ea of 20 kcal/mole for the initial rate and 16 kcal/mole for the final rate."--Abstract.
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 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polyester written by Nurhan Onar Camlibel and published by BoD – Books on Demand. This book was released on 2018-03-14 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyester is one of the most important polymers for fibers and composites. Significant developments in nanoparticle-doped polyester composites, polyester recycling, flame-retardant unsaturated polyester resins, and application of polyester for construction and automotive industry are currently carried out. Thus, this book provides leading edge research on improvements of functional properties of polyester, modifications of unsaturated polyester resins, and polyester (especially recycled polyester) usage in construction and in automotive application areas in the form of fiber, resin, and composite. The book also covers the characterization of unique features of polyester found by mechanical, chemical, physical, microstructural, and thermal analyses. This book intends to provide an understanding of the developments of functional polyester production, synthesis, and characterization and support to many academic researchers and graduate students in textile, polymer, composite, chemical science, and research and development managers in recycling and composite applications of polyester in the construction and automotive industry.
Book Synopsis Polyesters and Their Applications by : Bjorksten Research Laboratories
Download or read book Polyesters and Their Applications written by Bjorksten Research Laboratories and published by . This book was released on 1956 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polyester written by Haley Olsen and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the opening chapter of Polyester: Synthesis, Types and Applications, the authors provide the synthesis, structure, properties and applications of thermoplastic copolyester elastomers. Thermoplastic copolyester elastomers belong to the class of thermoplastic elastomers which combine mechanical properties of chemically crosslinked elastomers with those of thermoplastics. Due to their high performance, an extensive section on mechanical, thermal and chemical properties is presented. The recent development of materials such as nanocomposites and blends, as well as biodegradable thermoplastic copolyester elastomers, are also addressed.Next, the book chapter gives an overview on the natural and synthetic polyesters that are used in different medical fields for bonding, as closures, for separation, scaffolds, capsulation, as drug deliverers, and for prostheses. The authors summarize the historical background of the polyesters, explain the meaning of the biodegradation, and shortly characterize the most interesting polyesters from the point of view of their synthesis and medical application possibilities.The authors examine classical melt polycondensation, an old synthetic method which is difficult to handle and high-energy consuming. The polyesters obtained lack pendant functionalities, which restricts applicability in a range of practices. The new trends for overcoming this drawback with biobased polyesters are highlighted.In the concluding study, cost-effective nanostructured polyester was engineered infusing carbon nanofibers. The sonication dispersion technique was employed to infuse 0.1-0.4 wt% CNF into polyester matrix to enhance mechanical properties of resulting nanocomposites. The effect of dispersion conditions was investigated as a function of CNF content and the sonication time.
Book Synopsis Polyester Amides for Cytotoxicity and Antimicrobial Activity by : K. Lakshmi
Download or read book Polyester Amides for Cytotoxicity and Antimicrobial Activity written by K. Lakshmi and published by . This book was released on 2023-05-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyester amides have gained significant interest in the field of biomedical polymers due to their promising properties such as biocompatibility, biodegradability, and excellent mechanical strength. In this book, author focuses on the synthesis and characterization of certain random photocrosslinkable thermotropic liquid crystalline poly (ester amides) and their potential cytotoxic and antimicrobial activities. The work investigates the biocompatibility of the synthesized polyester amides with mammalian cells and their biodegradability, making them suitable candidates for various biomedical applications such as drug delivery, tissue engineering, and regenerative medicine. The photocrosslinkable properties of the poly (ester amides) further enhance their suitability for these applications by allowing controlled and sustained release of drugs. This book explores the antimicrobial activity of the polyester amides against bacteria and fungi, providing valuable insights into their potential use as antibacterial agents. The study assesses the effect of these polymeric biomaterials on microbial growth, cell viability, cell proliferation, and cell adhesion, paving the way for further research on their potential in developing biomedical devices, implants, and medical textiles. This book material uses various analytical techniques for polymer characterization such as thermal analysis, structural analysis, and optical, mechanical, and surface properties evaluation, providing a comprehensive understanding of their molecular weight and chemical composition. The study also explores the molecular mechanisms behind the cytotoxic and antimicrobial activities of these poly (ester amides) using in vitro and in vivo studies, highlighting their potential as promising candidates for developing new therapies for inflammatory and infectious diseases.
Book Synopsis Polyesters and Their Applications by :
Download or read book Polyesters and Their Applications written by and published by . This book was released on 1956 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Synthesis and Characterisation of Aromatic Hyperbranched Polyesters by : Angela J. Keeney
Download or read book The Synthesis and Characterisation of Aromatic Hyperbranched Polyesters written by Angela J. Keeney and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1995-04 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structuring and Composition of Polyester by : Ken Lao
Download or read book Structuring and Composition of Polyester written by Ken Lao and published by . This book was released on 2015-02-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book primarily focuses on the structuring and composition of polyesters. Polyesters are being broadly applied in distinct fields because of their extraordinary characteristics. This book encompasses important aspects like characterization, applications and synthesis of polyester. Biological and chemical techniques for the synthesis of polyester are one of the most significant topics of research that have been added in this book. Physical, mechanical and chemical characterizations as well as enhancement of polyester have also been discussed in this book. Few aspects of applications of polyester in coating of aluminum alloys employed in aircraft, immobilization of radioactive wastes, formation of the novel composites and fabrics manufacturing have also been discussed, emphasizing on the extensive possibilities of its implementations. The aim of this book is to serve as a good source of reference for researchers, students and scientists as well as for other veterans, both in industry and academia.
Book Synopsis Synthesis and Characterization of Polyesters from Natural Sources for the Protection of Stone Materials by : Andrea Pedna
Download or read book Synthesis and Characterization of Polyesters from Natural Sources for the Protection of Stone Materials written by Andrea Pedna and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polyester - Production, Characterization and Innovative Applications by :
Download or read book Polyester - Production, Characterization and Innovative Applications written by and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Ethynyl-substituted Polyurethanes and Polyesters by : Seok Heui Hong
Download or read book Synthesis and Characterization of Ethynyl-substituted Polyurethanes and Polyesters written by Seok Heui Hong and published by . This book was released on 1979 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterisation of Non-chiral and Chiral Side Chain Liquid Crystalline Polysiloxanes by : Hyun Jun Kim
Download or read book Synthesis and Characterisation of Non-chiral and Chiral Side Chain Liquid Crystalline Polysiloxanes written by Hyun Jun Kim and published by . This book was released on 1993 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
