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Oriented polymer materials [[electronic resource] /] / edited by Stoyko Fakirov
Oriented polymer materials [[electronic resource] /] / edited by Stoyko Fakirov
Pubbl/distr/stampa Weinheim, : Wiley-VCH, 2002
Descrizione fisica 1 online resource (536 p.)
Disciplina 547.84
620.192
Altri autori (Persone) FakirovStoyko
Soggetto topico Polymers
ISBN 1-281-84269-9
9786611842697
3-527-61505-9
3-527-61504-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Oriented Polymer Materials; CONTENTS; Chapter 1. Problems of the physics of the oriented state of polymers; 1 . Introductory considerations; 1.1. Interplay of fundamental and applied problems . Molecular cybernetics; 1.2. Principal routes to the formation of uniaxially oriented structures in polymers; 2 . Configurational information and orientation phenomena in synthetic polymers; 2.1. Direct generation of orientational order from solutions and melts . Orientational hardening, orientational crystallization, and orientational catastrophes; 2.2. Assemblage; liquid crystalline polymers
2.3. Reconstruction3. Failure under load; 4. Some specific properties of superoriented polymers; 5. Technological implications; 6. General conclusions and summary; 6.1. What is clear?; 6.2. What is incomprehensible?; 6.3. What needs better understanding?; References; Chapter 2. Structural basis of high-strength high-modulus polymers; 1. Introduction; 2. Structural transformation in semicrystalline polymers on stretching; 2.1. Deformation mechanisms at small strain; 2.2. Folded-extended chain solid phase transition in the neck region
2.3. Micro- and macrofibrillar structure in oriented polymers and its plastic deformation2.4. Drawing arrest and fracture of oriented polymers; 2.5. Alternative mechanisms of drawing; 3. Deformation-induced strengthening of semicrystalline polymers; 3.1. Structural kinetic approach to the enhancement of polymer characteristics by deformation; 3.2. Physical criteria for the optimization of the drawing process; 3.3. Optimal molecular weight and molecular weight distribution; 4. Mechanical properties of highly oriented polymers; 5. Thermal properties of superstrong high-modulus polymers
6. Structural peculiarities of highly oriented polymersReferences; Chapter 3. X-ray diffraction by quasiperiodic polymer structures; 1. Introduction; 2. Qualitative phenomenological aspects; 2.1. Fibre diagrams; 2.2. Crystal density, chain cross section and chain conformation; 2.3. Anisotropy perpendicular to the chain direction, planes of plates; 2.4. Position sphere; 2.5. Lattice distortions of the first and second kind . Distortion parameter; 2.6. Special lattice types; 2.7. Small-angle scattering, fibrils, layer lattices; 3 . Basics of experiments; 3.1. X-ray spectrum and absorption
4 . Theoretical relationships4.1. Structure factor; 4.2. The Ewald sphere; 4.3. Pair distribution; 4.4. A special application example; 5 . Simple lattice models; 5.1. Ideal periodic lattices; 5.2. Distortions of the first kind; 5.3. Distortions of the second kind; 5.4. Inhomogeneous coordination statistics; References; Chapter 4. Characterization of polymer deformation by vibrational spectroscopy; 1. Introduction; 2. Experimental and instrumentation; 3. Orientational measurements by infrared dichroism; 4. Segmental mobility in liquid crystalline side-chain polymers
5. Rheo-optical FT-IR studies of the poly(ethylene terephthalate) film forming process
Record Nr. UNINA-9910830938703321
Weinheim, : Wiley-VCH, 2002
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Oriented polymer materials [[electronic resource] /] / edited by Stoyko Fakirov
Oriented polymer materials [[electronic resource] /] / edited by Stoyko Fakirov
Pubbl/distr/stampa Weinheim, : Wiley-VCH, 2002
Descrizione fisica 1 online resource (536 p.)
Disciplina 547.84
620.192
Altri autori (Persone) FakirovStoyko
Soggetto topico Polymers
ISBN 1-281-84269-9
9786611842697
3-527-61505-9
3-527-61504-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Oriented Polymer Materials; CONTENTS; Chapter 1. Problems of the physics of the oriented state of polymers; 1 . Introductory considerations; 1.1. Interplay of fundamental and applied problems . Molecular cybernetics; 1.2. Principal routes to the formation of uniaxially oriented structures in polymers; 2 . Configurational information and orientation phenomena in synthetic polymers; 2.1. Direct generation of orientational order from solutions and melts . Orientational hardening, orientational crystallization, and orientational catastrophes; 2.2. Assemblage; liquid crystalline polymers
2.3. Reconstruction3. Failure under load; 4. Some specific properties of superoriented polymers; 5. Technological implications; 6. General conclusions and summary; 6.1. What is clear?; 6.2. What is incomprehensible?; 6.3. What needs better understanding?; References; Chapter 2. Structural basis of high-strength high-modulus polymers; 1. Introduction; 2. Structural transformation in semicrystalline polymers on stretching; 2.1. Deformation mechanisms at small strain; 2.2. Folded-extended chain solid phase transition in the neck region
2.3. Micro- and macrofibrillar structure in oriented polymers and its plastic deformation2.4. Drawing arrest and fracture of oriented polymers; 2.5. Alternative mechanisms of drawing; 3. Deformation-induced strengthening of semicrystalline polymers; 3.1. Structural kinetic approach to the enhancement of polymer characteristics by deformation; 3.2. Physical criteria for the optimization of the drawing process; 3.3. Optimal molecular weight and molecular weight distribution; 4. Mechanical properties of highly oriented polymers; 5. Thermal properties of superstrong high-modulus polymers
6. Structural peculiarities of highly oriented polymersReferences; Chapter 3. X-ray diffraction by quasiperiodic polymer structures; 1. Introduction; 2. Qualitative phenomenological aspects; 2.1. Fibre diagrams; 2.2. Crystal density, chain cross section and chain conformation; 2.3. Anisotropy perpendicular to the chain direction, planes of plates; 2.4. Position sphere; 2.5. Lattice distortions of the first and second kind . Distortion parameter; 2.6. Special lattice types; 2.7. Small-angle scattering, fibrils, layer lattices; 3 . Basics of experiments; 3.1. X-ray spectrum and absorption
4 . Theoretical relationships4.1. Structure factor; 4.2. The Ewald sphere; 4.3. Pair distribution; 4.4. A special application example; 5 . Simple lattice models; 5.1. Ideal periodic lattices; 5.2. Distortions of the first kind; 5.3. Distortions of the second kind; 5.4. Inhomogeneous coordination statistics; References; Chapter 4. Characterization of polymer deformation by vibrational spectroscopy; 1. Introduction; 2. Experimental and instrumentation; 3. Orientational measurements by infrared dichroism; 4. Segmental mobility in liquid crystalline side-chain polymers
5. Rheo-optical FT-IR studies of the poly(ethylene terephthalate) film forming process
Record Nr. UNINA-9910841273203321
Weinheim, : Wiley-VCH, 2002
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Transreactions in condensation polymers / / Stoyko Fakirov (ed.)
Transreactions in condensation polymers / / Stoyko Fakirov (ed.)
Pubbl/distr/stampa Weinheim, [Germany] : , : Wiley-VCH, , 1999
Descrizione fisica 1 online resource (512 p.)
Disciplina 547.28
547.7
668.9
Soggetto topico Polymerization
Copolymers
Polymers
Soggetto genere / forma Electronic books.
ISBN 1-282-01044-1
9786612010446
3-527-61384-6
3-527-61385-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Transreactions in Condensation Polymers; CONTENTS; Chapter 1 Interchange Reactions in Condensation Polymers and Their Analysis by NMR Spectroscopy; 1. Introduction; 2. Nuclear magnetic resonance as an analytical tool (1H, 13C, 15N and 29Si NMR); 2.1. Basics of the method; 2.2. High resolution NMR of polymers; 3. Interchange reactions involving different functional groups; 3.1. Reactions taking place in polyesters involving ester groups; 3.2. Reactions taking place in polyamides involving amine and amide groups; 3.3. Interchange reactions involving Si-O bonds
3.4. Interchange reactions involving urethane and urea groups4. Concluding remarks; References; Chapter 2 Effects of Catalysts in the Reactive Blending of Bisphenol A Polycarbonate with Poly (alkylene terepht halate) s; 1. Introduction; 1.1. An outlook on reactive blending of polyesters and polycarbonates; 1.2. Bisphenol A polycarbonate: an overview; 1.3. Poly(alkylene terephthalate)s: an overview; 1.4. Blends of PC and poly(alkylene terephthalate)s: a literature survey; 2 . Possible reactions occurring during melt-mixing of polyesters and PC; 2.1. Exchange reactions; 2.2. Side reactions
2.3. Catalyst inhibitors3 . Evolution of the chemical structure during melt-mixing; 3.1. Approaches to the investigation of the resulting chemical structure; 3.2. Effects of catalysts in the reactive blending of PC/polyester systems; 4 . Conclusions; References; Chapter 3 Model Studies of Transreactions in Condensat ion Polymers; 1 . Introduction; 2 . Theoretical; 2.1. Microstructure of copolycondensates from transreactions; 2.2. Kinetics of transreaction; 3 . Application to the PC/PBT system; 3.1. Microstructural study; 3.2. Kinetic study; 3.3. Mechanism of the PC/PBT transcondensation
4 . General discussion and conclusionReferences; Chapter 4 Copolymer Composition: a Key to the Mechanisms of Exchange in Reactive Polymer Blending; 1 . Introduction; 2 . Exchange mechanisms of reactive polymers in the melt; 3 . Exchange reactions occurring by inner-inner mechanism (Case 1); 3.1. Capped PBT/PC blends; 3.2. Capped PET/PC blends; 4 . Exchange reactions occurring by outer-inner mechanisms; 4.1. PET/PTX blends (Case 2); 4.2. PET/PEA blends (Case3); 4.3. PBT/PC blends (Case4); 4.4. PET/PC blends (Case4); 4.5. Nylon 6/PC blends (Case5); 5 . Conclusions; Appendix
Monte Carlo modelling of exchange reactionsReferences; Chapter 5 Interchain Transest erification Reactions in Copolyesters; 1 . Introduction and background; 2 . Synthesis and microstructure; 3 . Randomisation processes; 4 . Sequence ordering; 5 . Adhesive bonds in polyesters formed by ITR; 5.1. Liquid-crystalline copolyesters; 5.2. ITR in thermosetting polyesters; 6 . Mechanism of adhesive bond formation; References; Chapter 6 Inhibition of Transreactions in Condensation Polymers; 1 . Introduction; 1 . 1. Polymer blends; 1.2. Reactive compatibilisation; 1.3. Transreaction during melt-blending
2 . Control of transesterification in polyester blends
Record Nr. UNINA-9910144721503321
Weinheim, [Germany] : , : Wiley-VCH, , 1999
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Transreactions in condensation polymers / / Stoyko Fakirov (ed.)
Transreactions in condensation polymers / / Stoyko Fakirov (ed.)
Pubbl/distr/stampa Weinheim, [Germany] : , : Wiley-VCH, , 1999
Descrizione fisica 1 online resource (512 p.)
Disciplina 547.28
547.7
668.9
Soggetto topico Polymerization
Copolymers
Polymers
ISBN 1-282-01044-1
9786612010446
3-527-61384-6
3-527-61385-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Transreactions in Condensation Polymers; CONTENTS; Chapter 1 Interchange Reactions in Condensation Polymers and Their Analysis by NMR Spectroscopy; 1. Introduction; 2. Nuclear magnetic resonance as an analytical tool (1H, 13C, 15N and 29Si NMR); 2.1. Basics of the method; 2.2. High resolution NMR of polymers; 3. Interchange reactions involving different functional groups; 3.1. Reactions taking place in polyesters involving ester groups; 3.2. Reactions taking place in polyamides involving amine and amide groups; 3.3. Interchange reactions involving Si-O bonds
3.4. Interchange reactions involving urethane and urea groups4. Concluding remarks; References; Chapter 2 Effects of Catalysts in the Reactive Blending of Bisphenol A Polycarbonate with Poly (alkylene terepht halate) s; 1. Introduction; 1.1. An outlook on reactive blending of polyesters and polycarbonates; 1.2. Bisphenol A polycarbonate: an overview; 1.3. Poly(alkylene terephthalate)s: an overview; 1.4. Blends of PC and poly(alkylene terephthalate)s: a literature survey; 2 . Possible reactions occurring during melt-mixing of polyesters and PC; 2.1. Exchange reactions; 2.2. Side reactions
2.3. Catalyst inhibitors3 . Evolution of the chemical structure during melt-mixing; 3.1. Approaches to the investigation of the resulting chemical structure; 3.2. Effects of catalysts in the reactive blending of PC/polyester systems; 4 . Conclusions; References; Chapter 3 Model Studies of Transreactions in Condensat ion Polymers; 1 . Introduction; 2 . Theoretical; 2.1. Microstructure of copolycondensates from transreactions; 2.2. Kinetics of transreaction; 3 . Application to the PC/PBT system; 3.1. Microstructural study; 3.2. Kinetic study; 3.3. Mechanism of the PC/PBT transcondensation
4 . General discussion and conclusionReferences; Chapter 4 Copolymer Composition: a Key to the Mechanisms of Exchange in Reactive Polymer Blending; 1 . Introduction; 2 . Exchange mechanisms of reactive polymers in the melt; 3 . Exchange reactions occurring by inner-inner mechanism (Case 1); 3.1. Capped PBT/PC blends; 3.2. Capped PET/PC blends; 4 . Exchange reactions occurring by outer-inner mechanisms; 4.1. PET/PTX blends (Case 2); 4.2. PET/PEA blends (Case3); 4.3. PBT/PC blends (Case4); 4.4. PET/PC blends (Case4); 4.5. Nylon 6/PC blends (Case5); 5 . Conclusions; Appendix
Monte Carlo modelling of exchange reactionsReferences; Chapter 5 Interchain Transest erification Reactions in Copolyesters; 1 . Introduction and background; 2 . Synthesis and microstructure; 3 . Randomisation processes; 4 . Sequence ordering; 5 . Adhesive bonds in polyesters formed by ITR; 5.1. Liquid-crystalline copolyesters; 5.2. ITR in thermosetting polyesters; 6 . Mechanism of adhesive bond formation; References; Chapter 6 Inhibition of Transreactions in Condensation Polymers; 1 . Introduction; 1 . 1. Polymer blends; 1.2. Reactive compatibilisation; 1.3. Transreaction during melt-blending
2 . Control of transesterification in polyester blends
Record Nr. UNINA-9910830328303321
Weinheim, [Germany] : , : Wiley-VCH, , 1999
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui