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Author : Benjamín Rodríguez Hernández
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)
Download or read book Poly(lactic Acid) Block Copolymers written by Benjamín Rodríguez Hernández and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Alexandridis
Publisher : Elsevier
ISBN 13 : 0080527108
Total Pages : 449 pages
Book Rating : 4.0/5 (85 download)
Download or read book Amphiphilic Block Copolymers written by P. Alexandridis and published by Elsevier. This book was released on 2000-10-18 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is the belief of the editors of this book that the recognition of block copolymers as being amphiphilic molecules and sharing common features with other well-studied amphiphiles will prove beneficial to both the surfactant and the polymer communities. An aim of this book is to bridge the two communities and cross-fertilise the different fields. To this end, leading researchers in the field of amphiphilic block copolymer self-assembly, some having a background in surfactant chemistry, and others with polymer physics roots, have agreed to join forces and contribute to this book.The book consists of four entities. The first part discusses theoretical considerations behind the block copolymer self-assembly in solution and in the melt. The second part provides case studies of self-assembly in different classes of block copolymers (e.g., polyethers, polyelectrolytes) and in different environments (e.g., in water, in non-aqueous solvents, or in the absence of solvents). The third part presents experimental tools, ranging from static (e.g., small angle neutron scattering) to dynamic (e.g., rheology), which can prove valuable in the characterization of block copolymer self-assemblies. The fourth part offers a sampling of current applications of block copolymers in, e.g., formulations, pharmaceutics, and separations, applications which are based on the unique self-assembly properties of block copolymers.
Author : Alfonso Jiménez
Publisher : Royal Society of Chemistry
ISBN 13 : 1849738793
Total Pages : 374 pages
Book Rating : 4.8/5 (497 download)
Download or read book Poly(lactic acid) Science and Technology written by Alfonso Jiménez and published by Royal Society of Chemistry. This book was released on 2015 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive overview of the synthesis, characterisation, properties and applications of poly(lactic acid) science and technology covering scientific, ecological, social and economic issues.
Author : Jie Ren
Publisher : Springer Science & Business Media
ISBN 13 : 3642175961
Total Pages : 314 pages
Book Rating : 4.6/5 (421 download)
Download or read book Biodegradable Poly (Lactic Acid) written by Jie Ren and published by Springer Science & Business Media. This book was released on 2011-04-05 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Biodegradable Poly (Lactic Acid): Synthesis, Modification, Processing and Applications" describes the preparation, modification, processing, and the research and applications of biodegradable poly (lactic acid), which belong to the biomedical and environment-friendly materials. Highly illustrated, the book introduces systematically the synthesis, physical and chemical modifications, and the latest developments of research and applications of poly (lactic acid) in biomedical materials. The book is intended for researchers and graduate students in the fields of materials science and engineering, polymer science and engineering, biomedicine, chemistry, environmental sciences, textile science and engineering, package materials, and so on. Dr. Jie Ren is a professor at the Institute of Nano and Bio-Polymeric Materials, School of Material Science and Engineering, Tongji University, Shanghai, China.
Author : Rafael A. Auras
Publisher : John Wiley & Sons
ISBN 13 : 111976744X
Total Pages : 692 pages
Book Rating : 4.1/5 (197 download)
Download or read book Poly(lactic acid) written by Rafael A. Auras and published by John Wiley & Sons. This book was released on 2022-06-21 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: POLY(LACTIC ACID) The second edition of a key reference, fully updated to reflect new research and applications Poly(lactic acid)s – PLAs, biodegradable polymers derived from lactic acid, have become vital components of a sustainable society. Eco-friendly PLA polymers are used in numerous industrial applications ranging from packaging to medical implants and to wastewater treatment. The global PLA market is predicted to expand significantly over the next decade due to increasing demand for compostable and recyclable materials produced from renewable resources. Poly(lactic acid) Synthesis, Structures, Properties, Processing, Applications, and End of Life provides comprehensive coverage of the basic chemistry, production, and industrial use of PLA. Contributions from an international panel of experts review specific processing methods, characterization techniques, and various applications in medicine, textiles, packaging, and environmental engineering. Now in its second edition, this fully up-to-date volume features new and revised chapters on 3D printing, the mechanical and chemical recycling of PLA, PLA stereocomplex crystals, PLA composites, the environmental footprint of PLA, and more. Highlights the biodegradability, recycling, and sustainability benefits of PLA Describes processing and conversion technologies for PLA, such as injection molding, extrusion, blending, and thermoforming Covers various aspects of lactic acid/lactide monomers, including physicochemical properties and production Examines different condensation reactions and modification strategies for enhanced polymerization of PLA Discusses the thermal, rheological, and mechanical properties of PLA Addresses degradation and environmental issues of PLA, including photodegradation, radiolysis, hydrolytic degradation, biodegradation, and life cycle assessment Poly(lactic acid) Synthesis, Structures, Properties, Processing, Applications, and End of Life, Second Edition remains essential reading for polymer engineers, materials scientists, polymer chemists, chemical engineers, industry professionals using PLA, and scientists and advanced student engineers interested in biodegradable plastics.
Author : Wannapa Chumeka
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (882 download)
Download or read book Improvement of Compatibility of Poly(lactic Acid) Blended with Natural Rubber by Modified Natural Rubber written by Wannapa Chumeka and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this research work was to improve the compatibility of polymer blends made from poly(lactic acid) and natural rubber (PLA/NR blends) by using modified natural rubber as a compatibilizer. Natural rubber was chemically modified into two categories: natural rubber grafted poly(vinyl acetate) copolymer (NR-g-PVAc) and block copolymers (PLA-NR diblock copolymer and PLA-NR-PLA triblock copolymer). PLA/NR blends were prepared by melting blending in a twin screw extruder and compression molded to obtain a 2-mm thick sheet. The blends contained 10-20 wt% of NR and modified NR, and the impact strength and tensile properties were investigated. The compatibilization effect was determined by DMTA, DSC and SEM. NR-g-PVAc was synthesized by emulsion polymerization to obtain different PVAc graft contents (1%, 5% and 12%). Characterization by DMTA showed an enhancement in miscibility of the PLA/NR-g-PVAc blends. NR-g-PVAc could be used as a toughening agent of PLA and as a compatibilizer of the PLA/NR blend. The block copolymers were synthesized following two routes: (1) hydroxyl telechelic natural rubber (HTNR) and lactide and (2) HTNR and PLA prepolymer. In the former route, lactide was in situ polymerized via a ring opening polymerization to be a PLA block segment during block copolymerization. In the latter route PLA prepolymer was synthesized by a condensation polymerization of L-lactic acid prior to block copolymerization. Both block copolymers acted as good compatibilizers for the PLA/NR blend by increasing the impact strength and decreasing the NR particle size. Triblock copolymers provided higher impact strength than diblock copolymers, and they were a less effective compatibilizer than NR-g-PVAc. In contrast to NR and NR-g-PVAc, the block copolymer was not a good toughening agent for PLA.
Author : Ophelia Kwan Chui Tsui
Publisher : World Scientific
ISBN 13 : 9812818820
Total Pages : 312 pages
Book Rating : 4.8/5 (128 download)
Download or read book Polymer Thin Films written by Ophelia Kwan Chui Tsui and published by World Scientific. This book was released on 2008 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ch. 1. Block copolymer thin films / J.-Y. Wang, S. Park and T. P. Russell -- ch. 2. Equilibration of block copolymer films on chemically patterned surfaces / G. S. W. Craig, H. Kang and P. F. Nealey -- ch. 3. Structure formation and evolution in confined cylinder-forming block copolymers / G. J. A. Sevink and J. G. E. M. Fraaije -- ch. 4. Block copolymer lithography for magnetic device fabrication / J. Y. Cheng and C. A. Ross -- ch. 5. Hierarchical structuring of polymer nanoparticles by self-organization / M. Shimomura ... [et al.] -- ch. 6. Wrinkling polymers for surface structure control and functionality / E. P. Chan and A. J. Crosby -- ch. 7. Crystallization in polymer thin films: morphology and growth / R. M. Van Horn and S. Z. D. Cheng -- ch. 8. Friction at soft polymer surface / M. K. Chaudhury, K. Vorvolakos and D. Malotky -- ch. 9. Relationship between molecular architecture, large-strain mechanical response and adhesive performance of model, block copolymer-based pressure sensitive adhesives / C. Creton and K. R. Shull -- ch. 10. Stability and dewetting of thin liquid films / K. Jacobs, R. Seemann and S. Herminghaus -- ch. 11. Anomalous dynamics of polymer Films / O. K. C. Tsui.
Author : Stephan Kabasci
Publisher : John Wiley & Sons
ISBN 13 : 1118676734
Total Pages : 396 pages
Book Rating : 4.1/5 (186 download)
Download or read book Bio-Based Plastics written by Stephan Kabasci and published by John Wiley & Sons. This book was released on 2013-10-02 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of bio-based plastics has developed significantly in the last 10 years and there is increasing pressure on industries to shift existing materials production from petrochemicals to renewables. Bio-based Plastics presents an up-to-date overview of the basic and applied aspects of bioplastics, focusing primarily on thermoplastic polymers for material use. Emphasizing materials currently in use or with significant potential for future applications, this book looks at the most important biopolymer classes such as polysaccharides, lignin, proteins and polyhydroxyalkanoates as raw materials for bio-based plastics, as well as materials derived from bio-based monomers like lipids, poly(lactic acid), polyesters, polyamides and polyolefines. Detailed consideration is also given to the market and availability of renewable raw materials, the importance of bio-based content and the aspect of biodegradability. Topics covered include: Starch Cellulose and cellulose acetate Materials based on chitin and chitosan Lignin matrix composites from natural resources Polyhydroxyalkanoates Poly(lactic acid) Polyesters, Polyamides and Polyolefins from biomass derived monomers Protein-based plastics Bio-based Plastics is a valuable resource for academic and industrial researchers who are interested in new materials, renewable resources, sustainability and polymerization technology. It will also prove useful for advanced students interested in the development of bio-based products and materials, green and sustainable chemistry, polymer chemistry and materials science. For more information on the Wiley Series in Renewable Resources, visit www.wiley.com/go/rrs
Author : Lee Tin Sin
Publisher : William Andrew
ISBN 13 : 1437744591
Total Pages : 351 pages
Book Rating : 4.4/5 (377 download)
Download or read book Polylactic Acid written by Lee Tin Sin and published by William Andrew. This book was released on 2012-11-21 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation An essential reference for engineers, scientists and product designers that already work with polymers and plastics who wish to convert to a sustainable plastic. It covers the properties, synthesis and polymerisation of PLA and processing techniques involved in fabricating parts from this polymer.
Author : Nukul Euaphantasate
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (497 download)
Download or read book An Investigation of Poly(lactic Acid) and PEO-PPO-PEO Block Copolymer Blends as Biomaterials written by Nukul Euaphantasate and published by . This book was released on 2001 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Volker Abetz
Publisher : Springer Science & Business Media
ISBN 13 : 9783540269021
Total Pages : 272 pages
Book Rating : 4.2/5 (69 download)
Download or read book Block Copolymers II written by Volker Abetz and published by Springer Science & Business Media. This book was released on 2005-12-02 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: . A.J. M ller, V. Balsamo, M.L. Arnal: Nucleation and Crystallization in Diblock and Triblock Copolymers.- 2 J.-F. Gohy: Block Copolymer Micelles.- 3 M.A. Hillmyer: Nanoporous Materials from Block Copolymer Precursors.- 4 M. Li, C. Coenjarts, C.K. Ober: Patternable Block Copolymers.-
Author : Nikos Hadjichristidis
Publisher : John Wiley & Sons
ISBN 13 : 0471461342
Total Pages : 445 pages
Book Rating : 4.4/5 (714 download)
Download or read book Block Copolymers written by Nikos Hadjichristidis and published by John Wiley & Sons. This book was released on 2003-04-28 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers may be classified as either homopolymers, consisting of one single repeating unit, or copolymers, consisting of two or more distinct repeating units. Block copolymers contain long contiguous blocks of two or more repeating units in the same polymer chain. Covering one of the hottest topics in polymer chemistry, Block Copolymers provides a coherent overview of the synthetic routes, physical properties, and applications of block copolymers. This pioneering text provides not only a guideline for developing synthetic strategies for creating block copolymers with defined characteristics, but also a key to the relationship between the physical properties of block copolymers and the structure and dynamics of materials. Covering features of the chemistry and physics of block copolymers that are not found in comparable texts, Block Copolymers illustrates the structure-activity relationship of block copolymers and offers suggestions for the design of specific applications. Divided into five sections-Block Copolymers includes chapters on: * Block Copolymers by Chemical Modification of Precursor Polymers * Nonlinear Block Copolymers * Adsorption of Block Copolymers at Solid-Liquid Interfaces * Theory of Block Copolymer Segregation * Phase Transformation Kinetics * Block Copolymer Morphology * Block Copolymer Dynamics Polymer chemists, physicists, chemical engineers, and materials scientists, as well as graduate students in polymer science, will find Block Copolymers to be an invaluable text.
Author : Allen Noshay
Publisher : Elsevier
ISBN 13 : 1483218937
Total Pages : 533 pages
Book Rating : 4.4/5 (832 download)
Download or read book Block Copolymers written by Allen Noshay and published by Elsevier. This book was released on 2013-10-22 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: Block Copolymers: Overview and Critical Survey is a critical review of block copolymer technology and a comprehensive critical survey on the synthesis, characterization, properties, and applications of the specific block copolymer structures reported in the literature. The copolymers are organized according to segmental architecture and chemical composition. Comprised of seven chapters, this book begins with an overview of what block copolymers are, how they are made, and what they can and cannot be expected to do. The next chapter defines block copolymers and compares them with other types of polymer "hybrids," that is, polymer blends, random copolymers, and graft copolymers. The various segmental architectures that are possible with block copolymers are then described, followed by a discussion on the various synthesis techniques applicable to block copolymers; the characterization methods capable of elucidating block copolymer structures; some applications of commercially available block copolymers; and some future challenges for block copolymer technology. The last three chapters are devoted to A-B diblock copolymers, A-B-A triblock copolymers, and (A-B)n multiblock copolymers. This monograph should be useful to readers who want to become generally conversant with block copolymer technology and to those who need to delve more deeply into the subject.
Author : Rafael A. Auras
Publisher : John Wiley & Sons
ISBN 13 : 1119767466
Total Pages : 692 pages
Book Rating : 4.1/5 (197 download)
Download or read book Poly(lactic acid) written by Rafael A. Auras and published by John Wiley & Sons. This book was released on 2022-06-01 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: POLY(LACTIC ACID) The second edition of a key reference, fully updated to reflect new research and applications Poly(lactic acid)s – PLAs, biodegradable polymers derived from lactic acid, have become vital components of a sustainable society. Eco-friendly PLA polymers are used in numerous industrial applications ranging from packaging to medical implants and to wastewater treatment. The global PLA market is predicted to expand significantly over the next decade due to increasing demand for compostable and recyclable materials produced from renewable resources. Poly(lactic acid) Synthesis, Structures, Properties, Processing, Applications, and End of Life provides comprehensive coverage of the basic chemistry, production, and industrial use of PLA. Contributions from an international panel of experts review specific processing methods, characterization techniques, and various applications in medicine, textiles, packaging, and environmental engineering. Now in its second edition, this fully up-to-date volume features new and revised chapters on 3D printing, the mechanical and chemical recycling of PLA, PLA stereocomplex crystals, PLA composites, the environmental footprint of PLA, and more. Highlights the biodegradability, recycling, and sustainability benefits of PLA Describes processing and conversion technologies for PLA, such as injection molding, extrusion, blending, and thermoforming Covers various aspects of lactic acid/lactide monomers, including physicochemical properties and production Examines different condensation reactions and modification strategies for enhanced polymerization of PLA Discusses the thermal, rheological, and mechanical properties of PLA Addresses degradation and environmental issues of PLA, including photodegradation, radiolysis, hydrolytic degradation, biodegradation, and life cycle assessment Poly(lactic acid) Synthesis, Structures, Properties, Processing, Applications, and End of Life, Second Edition remains essential reading for polymer engineers, materials scientists, polymer chemists, chemical engineers, industry professionals using PLA, and scientists and advanced student engineers interested in biodegradable plastics.
Author : Constantine D. Papaspyrides
Publisher : John Wiley & Sons
ISBN 13 : 0470451823
Total Pages : 314 pages
Book Rating : 4.4/5 (74 download)
Download or read book Solid State Polymerization written by Constantine D. Papaspyrides and published by John Wiley & Sons. This book was released on 2009-04-27 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most current guide to solid state polymerization Solid State Polymerization (SSP)is an indispensable tool in the design, manufacture, and study of polymers, plastics, and fibers. SSP presents significant advantages over other polymerization techniques due to low operating temperatures, inexpensive equipment, and simple and environmentally sound procedures. Combining fundamentals of polymer science, chemistry, physical chemistry, and engineering, SSP also offers many research applications for a wide range of students and investigators. Gathering and filtering the latest literature on SSP, Solid Solid State Polymerization offers a unique, one-stop resource on this important process. With chapters contributed by leaders in the field, this text summarizes SSP, and provides essential coverage that includes: An introduction to SSP, with chemical and physical steps, apparatus, advantages, and parameters SSP physical chemistry and mechanisms Kinetic aspects of polyesters and polyamides SSP Catalysis in SSP processes Application of SSP under high pressure conditions in the laboratory Engineering aspects regarding process modeling and industrial application Recent developments and future possibilities Solid State Polymerization provides the most up-to-date coverage of this constantly developing field to academic and industry professionals, as well as graduate and postgraduate-level students in chemical engineering, materials science and engineering, polymer chemistry, polymer processing and polymer engineering.
Author : Francisco Balta Calleja
Publisher : CRC Press
ISBN 13 : 1482270358
Total Pages : 600 pages
Book Rating : 4.4/5 (822 download)
Download or read book Block Copolymers written by Francisco Balta Calleja and published by CRC Press. This book was released on 2000-06-09 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary of block copolymer chemical structures and synthesis. It discusses physical methods of characterization such as computer simulation, microhardness, dielectric spectroscopy, thermal mechanical relaxation, ultrasonic characterization, transmission electron microscopy, X-ray scattering, and NMR, among others. It also outlines rheological and
Author : Sebastian Noack
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (117 download)
Download or read book Poly(lactide)-based Amphiphilic Block Copolymers written by Sebastian Noack and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to its bioavailability and (bio)degradability, poly(lactide) (PLA) is an interesting polymer that is already being used as packaging material, surgical seam, and drug delivery system. Dependent on various parameters such as polymer composition, amphiphilicity, sample preparation, and the enantiomeric purity of lactide, PLA in an amphiphilic block copolymer can affect the self-assembly behavior dramatically. However, sizes and shapes of aggregates have a critical effect on the interactions between biological and drug delivery systems, where the general understanding of these polymers and their ability to influence self-assembly is of significant interest in science. The first part of this thesis describes the synthesis and study of a series of linear poly(L-lactide) (PLLA) and poly(D-lactide) (PDLA)-based amphiphilic block copolymers with varying PLA (hydrophobic), and poly(ethylene glycol) (PEG) (hydrophilic) chain lengths and different block copolymer sequences (PEG-PLA and PLA-PEG). [...]
