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Books > Science & Mathematics > Chemistry > Organic chemistry > Polymer chemistry

Cationic Ring-Opening Polymerization of Heterocyclic Monomers - I. Mechanisms (Paperback, Softcover reprint of the original 1st... Cationic Ring-Opening Polymerization of Heterocyclic Monomers - I. Mechanisms (Paperback, Softcover reprint of the original 1st ed. 1980)
Stanislaw Penczek, Przemyslaw Kubisa, Krzysztof Matyjaszewski
R1,491 Discovery Miles 14 910 Ships in 10 - 15 working days
Failure in Polymers - Molecular and Phenomenological Aspects (Paperback, Softcover reprint of the original 1st ed. 1978):... Failure in Polymers - Molecular and Phenomenological Aspects (Paperback, Softcover reprint of the original 1st ed. 1978)
Akihiro Abe, Ann-Christine Albertsson, Karel Du sek, Jan Genzer, Shiro Kobayashi, …
R2,843 Discovery Miles 28 430 Ships in 10 - 15 working days
Polymer Products (Paperback, Softcover reprint of the original 1st ed. 1981): Akihiro Abe, Ann-Christine Albertsson, Karel Du... Polymer Products (Paperback, Softcover reprint of the original 1st ed. 1981)
Akihiro Abe, Ann-Christine Albertsson, Karel Du sek, Jan Genzer, Shiro Kobayashi, …
R1,510 Discovery Miles 15 100 Ships in 10 - 15 working days
Rheological Measurement (Paperback, Softcover reprint of the original 1st ed. 1993): A.A. Collyer, D.W. Clegg Rheological Measurement (Paperback, Softcover reprint of the original 1st ed. 1993)
A.A. Collyer, D.W. Clegg
R2,972 Discovery Miles 29 720 Ships in 10 - 15 working days

In many cases rheological measurements are carried out in the simplest of geometries, but the interpretation involved in obtaining the rheological parameters of the test fluids from these measurements is surprisingly complex. The purpose of this book is to emphasise the points on which most workers in the field agree, and to let the authors deal with the contentious points according to their own beliefs and experience. This work represents a summary of the current thought on rheological meas urement by experts in the various techniques. When making measurements and obtaining from them parameters that describe the flow behaviour of the test fluids, it is essential that the experimentalist understands the underlying theory and shortcomings of the measurement technique, that he is aware of the likely microstructure of the fluid, and that from this he can appreciate how the fluid and the measuring system will interact with each other. It is this interaction that gives both the required rheological parameters of the fluids and the artefacts that confuse the issue. This book covers the main rheological measurement techniques from capillary, slit and stretching flows to rotational and oscillatory rheometry in various geometries including sliding plate measurements. These topics are backed up by chapters on more practical aspects, such as commercial instruments, and on computer control and data acquisition. The chapters deal with the basic methods, how the measurements are taken, and what assumptions and interpretations are made to obtain valid data on the test fluids."

Grafting/Characterization Techniques/Kinetic Modeling (Paperback, Softcover reprint of the original 1st ed. 1998): H. Galina,... Grafting/Characterization Techniques/Kinetic Modeling (Paperback, Softcover reprint of the original 1st ed. 1998)
H. Galina, Y. Ikada, K Kato, R Kitamaru, J Lechowicz, …
R1,494 Discovery Miles 14 940 Ships in 10 - 15 working days

Most of the untreated surfaces of polymers used in industry are not hydrophilic but hydrophobic. It is, therefore, difficult to bond these nonpolar polymer sur faces directly to other substances like adhesives, printing inks, and paints because they generally consist of polar compounds. On the other hand, polymer surfaces generally adsorb proteins when brought into direct contact with a bio logical system, resulting in cell attachment or platelet aggregation. The protein adsorption and attachment of biological components trigger a subsequent series of mostly adverse biological reactions toward the polymeric materials. Therefore, the technologies for surface modification of polymers or regulation of the polymer surface interaction with other substances have been of prime importance in polymer applications from the advent of polymer industries. Some of the technologies have been directed to introduction of new function alities onto polymer surfaces. The new functionalities introduced include improved surface hydrophilicity, hydrophobicity, bio compatibility, conductivi ty, anti-fogging, anti-fouling, grazing, surface hardness, surface roughness, adhesion, lubrication, and antistatic property. Theoretically, there is a large dif ference in properties between the surface and the bulk of a material and only the outermost surface is enough to be taken into consideration when the sur face properties are concerned. However, this is not the case for polymer surfaces, as the physical structure of the outermost polymer surface is generally not fixed but continuously changing with time due to the microscopic Brownian motion of polymer segments."

Polydiacetylenes (Paperback, Softcover reprint of the original 1st ed. 1984): Hans-Joachim Cantow Polydiacetylenes (Paperback, Softcover reprint of the original 1st ed. 1984)
Hans-Joachim Cantow; Contributions by H. Bassler, V Enkelmann, H Sixl
R1,490 Discovery Miles 14 900 Ships in 10 - 15 working days
Chemistry and Technology of Cyanate Ester Resins (Paperback, Softcover reprint of the original 1st ed. 1994): I. Hamerton Chemistry and Technology of Cyanate Ester Resins (Paperback, Softcover reprint of the original 1st ed. 1994)
I. Hamerton
R9,535 Discovery Miles 95 350 Ships in 10 - 15 working days

After epoxy resins and polyimides, cyanate esters arguably form the most well-developed group of high-temperature, thermosetting polymers. They possess a number of desirable performance characteristics which make them of increasing technological importance, where their somewhat higher costs are acceptable. The principal end uses for cyanate esters are as matrix resins for printed wiring board laminates and structural composites. For the electronics markets, the low dielectric loss characteristics, dimen sional stability at molten solder temperatures and excellent adhesion to conductor metals at temperatures up to 250 DegreesC, are desirable. In their use in aerospace composites, unmodified cyanate esters offer twice the frac ture toughness of multifunctional epoxies, while achieving a service tem perature intermediate between epoxy and bis-maleimide capabilities. Applications in radome construction and aircraft with reduced radar signatures utilize the unusually low capacitance properties of cyanate esters and associated low dissipation factors. While a number of commercial cyanate ester monomers and prepoly mers are now available, to date there has been no comprehensive review of the chemistry and recent technological applications of this versatile family of resins. The aims of the present text are to present these in a com pact, readable form. The work is primarily aimed at materials scientists and polymer technologists involved in research and development in the chemical, electronics, aerospace and adhesives industries. It is hoped that advanced undergraduates and postgraduates in polymer chemistry and technology, and materials science/technology will find it a useful introduc tion and source of reference in the course of their studies.

Analysis/Reactions/Morphology (Paperback, Softcover reprint of the original 1st ed. 1985): P. -J Madec, E. Marechal, J.E. Mark,... Analysis/Reactions/Morphology (Paperback, Softcover reprint of the original 1st ed. 1985)
P. -J Madec, E. Marechal, J.E. Mark, T. Otsu, R.W. Richards, …
R4,355 Discovery Miles 43 550 Ships in 10 - 15 working days
Self-Production of Supramolecular Structures - From Synthetic Structures to Models of Minimal Living Systems (Paperback,... Self-Production of Supramolecular Structures - From Synthetic Structures to Models of Minimal Living Systems (Paperback, Softcover reprint of the original 1st ed. 1994)
Gail R. Fleischaker, S. Colonna, Pier Luigi Luisi
R4,365 Discovery Miles 43 650 Ships in 10 - 15 working days

How did life begin on the Earth? The units of life are cells, which can be defined as bounded systems of molecules that capture energy and nutrients from the environment -- systems that expand, reproduce, and evolve over time, often into more complex systems. This book is the proceedings of a unique meeting, sponsored by NATO and held in Maratea, Italy, that brought together for the first time an international group of investigators who share an interest in how molecules self-assemble into supramolecular structures, and how those structures may have contributed to the origin of life. The book is written at a moderately technical level, appropriate for use by researchers and by students in upper-level undergraduate and graduate courses in biochemistry and molecular biology. The overall interest of its subject matter provides an excellent introduction for students who wish to understand how the foundational knowledge of chemistry and physics can be applied to one of the most fundamental questions now facing the scientific community. The editors are pioneers in defining what we mean by the living state, particularly the manner in which simple molecular systems can assume complex associations and functions, including the ability to reproduce. Each chapter of the book presents an up-to-date report of highly significant research. Two of the authors received medals from the National Academy of Science USA in 1994, and other research reported in the book has been featured in internationally recognized journals such Scientific American, Time, and Discover.

Conformational Motion and Disorder in Low and High Molecular Mass Crystals (Paperback, Softcover reprint of the original 1st... Conformational Motion and Disorder in Low and High Molecular Mass Crystals (Paperback, Softcover reprint of the original 1st ed. 1988)
Bernhard Wunderlich, Martin Moeller, Janusz Grebowicz, Herbert Baur
R2,837 Discovery Miles 28 370 Ships in 10 - 15 working days

The broad field of conformational motion disorder in crystals is described with particular attention to the separation from the well known mesophases of liquid crystals and plastic crystals. Structure, thermodynamics and motion of a larger number of small and large molecules are discussed. Of special interest are the borderlines between smectic and high viscosity liquid crystals and condis crystals and between plastic crystals and condis crystals as complicated by pseudorotation, jumping between symmetry-related states and hindered rotation. This paper illustrates the wide distribution of conformational disorder in nature. Condis crystals and glasses ("Con"formational "Dis"order) can be found in small and large molecule systems made of organic, inorganic and biological compounds. The condis state was newly discovered only four years ago. In this article over 100 examples are discussed as example of the condis state. In many cases the condis state was suggested for the first time. Motion in the Condensed State, Condis Crystals and their Relation to Plastic Crystals, Condis Crystals of Flexible Macromolecules, Condis Crystals and their Relation to Liquid Crystals, Condis Crystals of Stiff Macromolecules.

Polymer Analysis and Characterization (Paperback, Softcover reprint of the original 1st ed. 1994): V. A. Bershtein, G.C. Berry,... Polymer Analysis and Characterization (Paperback, Softcover reprint of the original 1st ed. 1994)
V. A. Bershtein, G.C. Berry, Nise, J. Lesec, H. Matsuoka, …
R2,878 Discovery Miles 28 780 Ships in 10 - 15 working days
The Entanglement Concept in Polymer Rheology (Paperback, Softcover reprint of the original 1st ed. 1974): W.W. Graessley The Entanglement Concept in Polymer Rheology (Paperback, Softcover reprint of the original 1st ed. 1974)
W.W. Graessley
R1,498 Discovery Miles 14 980 Ships in 10 - 15 working days
Polymerization Reactions (Paperback, Softcover reprint of the original 1st ed. 1978): Akihiro Abe, Ann-Christine Albertsson,... Polymerization Reactions (Paperback, Softcover reprint of the original 1st ed. 1978)
Akihiro Abe, Ann-Christine Albertsson, Karel Du sek, Jan Genzer, Shiro Kobayashi, …
R1,491 Discovery Miles 14 910 Ships in 10 - 15 working days
Biomedical Applications Polymer Blends (Paperback, Softcover reprint of the original 1st ed. 1999): G.C. Eastmond, H. Hoecker,... Biomedical Applications Polymer Blends (Paperback, Softcover reprint of the original 1st ed. 1999)
G.C. Eastmond, H. Hoecker, D. Klee
R1,508 Discovery Miles 15 080 Ships in 10 - 15 working days
Neutron Spin Echo Spectroscopy Viscoelasticity Rheology (Paperback, Softcover reprint of the original 1st ed. 1997): B. Ewen, M... Neutron Spin Echo Spectroscopy Viscoelasticity Rheology (Paperback, Softcover reprint of the original 1st ed. 1997)
B. Ewen, M Mours, D. Richter, T. Shiga, H H Winter
R1,511 Discovery Miles 15 110 Ships in 10 - 15 working days

Viscoelasticandtransportpropertiesofpolymersintheliquid(solution,melt)or liquid-like (rubber) state determine their processing and application to a large extent and are of basic physical interest [1-3]. An understanding of these dynamic properties at a molecular level, therefore, is of great importance. However,thisunderstandingiscomplicatedbythefactsthatdi?erentmotional processes may occur on di?erent length scales and that the dynamics are governed by universal chain properties as well as by the special chemical structure of the monomer units [4,5]. The earliest and simplest approach in this direction starts from Langevin equations with solutions comprising a spectrum of relaxation modes [1-4]. Special features are the incorporation of entropic forces (Rouse model, [6]) which relax uctuations of reduced entropy, and of hydrodynamic interactions (Zimm model, [7]) which couple segmental motions via long-range back ow elds in polymer solutions, and the inclusion of topological constraints or entanglements (reptation or tube model, [8-10]) which are mutually imposed within a dense ensemble of chains. Another approach, neglecting the details of the chemical structure and concentratingontheuniversalelementsofchainrelaxation,isbasedondynamic scalingconsiderations[4,11].Inparticularinpolymersolutions,thisapproach o?ers an elegant tool to specify the general trends of polymer dynamics, although it su?ers from the lack of a molecular interpretation. A real test of these theoretical approaches requires microscopic methods, which simultaneously give direct access to the space and time evolution of the segmental di?usion. Here, quasi-elastic scattering methods play a crucial role sincetheyallowthemeasurementofthecorrespondingcorrelationfunctions.In particular,thehigh-resolutionneutronspinecho(NSE)spectroscopy[12-15]is very suitable for such investigations since this method covers an appropriate range in time (0.005)t/ns)40) and space (r/nm [15). Furthermore, the possibilityoflabellingbyhydrogen-deuteriumexchangeallowstheobservation of single-chain behavior even in the melt.

Epoxy Resins and Composites II (Paperback, Softcover reprint of the original 1st ed. 1986): J P Bell Epoxy Resins and Composites II (Paperback, Softcover reprint of the original 1st ed. 1986)
J P Bell; Edited by K. Dusek; Contributions by L T Drzal, J. L. Koenig, E Mertzel, …
R2,853 Discovery Miles 28 530 Ships in 10 - 15 working days
Liquid Crystal Polymers II/III (Paperback, Softcover reprint of the original 1st ed. 1984): M. Gordon Liquid Crystal Polymers II/III (Paperback, Softcover reprint of the original 1st ed. 1984)
M. Gordon; Edited by (ghost editors) N.A. Plate; Contributions by M G Dobb, H Finkelmann, J Grebowicz, …
R1,528 Discovery Miles 15 280 Ships in 10 - 15 working days
Synthesis and Degradation Rheology and Extrusion (Paperback, Softcover reprint of the original 1st ed. 1982): Akihiro Abe,... Synthesis and Degradation Rheology and Extrusion (Paperback, Softcover reprint of the original 1st ed. 1982)
Akihiro Abe, Ann-Christine Albertsson, Karel Du sek, Jan Genzer, Shiro Kobayashi, …
R1,486 Discovery Miles 14 860 Ships in 10 - 15 working days
Lipid and Polymer-Lipid Systems (Paperback, Softcover reprint of the original 1st ed. 2002): T. Nylander, B. Lindman Lipid and Polymer-Lipid Systems (Paperback, Softcover reprint of the original 1st ed. 2002)
T. Nylander, B. Lindman
R2,840 Discovery Miles 28 400 Ships in 10 - 15 working days

The renewed and increasing interest in lipid self-assembly, phase behaviour and interfacial properties can be related to both a much improved insight in biological systems and the applications of lipids in food and pharmaceutical industry; in the latter, the development of drug delivery systems based on lipids has become in focus. Amphiphilic systems comprise lipids, surfactants as well as different types of polymers, including block and graft copolymers. Research on biological amphiphiles has often been conducted separate from research on synthetic ones. However, in recent years a very fruitful convergence between the two fields has evolved. These new perspectives on fundamental research and applications of lipids are discussed in these proceedings from an international symposium on "Lipid and Polymer Lipid-systems," October 2000 in Chia Laguna in Italy - a joint undertaking of Prof. Maura Monduzzi at Cagliari University, Italy and Camurus Lipid Research Foundation, Lund, Sweden.

Aqueous Polymer Dispersions (Paperback, Softcover reprint of the original 1st ed. 2004): Klaus Tauer Aqueous Polymer Dispersions (Paperback, Softcover reprint of the original 1st ed. 2004)
Klaus Tauer
R4,349 Discovery Miles 43 490 Ships in 10 - 15 working days

The incessantly interest in aqueous polymer dispersions (APD) since more than 90 years can be related to the almost unlimited possibilities to tailor APD to specific needs.
These proceedings from an international symposium on "Polymer Colloids: Preparation & Properties of Aqueous Polymer Dispersions" held at the Swabian Conference Center (Kloster Irsee, Germany) witness this statement.
The 33 contributions cover important aspects of APD such as control of particle size and stabilization, different polymerization technologies, applications as binders, paints, or as supports for proteins and hence, span the whole range from academic to practical.

Polymer Synthesis Polymer-Polymer Complexation (Paperback, Softcover reprint of the original 1st ed. 1999): Sinoue, S. Jacob, M... Polymer Synthesis Polymer-Polymer Complexation (Paperback, Softcover reprint of the original 1st ed. 1999)
Sinoue, S. Jacob, M Jiang, J.P. Kennedy, M. Li, …
R1,500 Discovery Miles 15 000 Ships in 10 - 15 working days
Surface and Colloid Science (Paperback, Softcover reprint of the original 1st ed. 2001): V. Razumas, B. Lindman, T. Nylander Surface and Colloid Science (Paperback, Softcover reprint of the original 1st ed. 2001)
V. Razumas, B. Lindman, T. Nylander
R1,516 Discovery Miles 15 160 Ships in 10 - 15 working days

Leading Nordic-Baltic scientists and their colleagues from other countries present recent research on a broad range of topics in surface and colloid science: adhesion, adsorption processes, characterization of solid/liquid and solid/polymer interfaces, chemical and particle depositions, colloid stability, emulsification and encapsulation, interfacial reactions, new surfactants, polymer-surfactant interactions, self-assembly processes, and functionalized surfaces for bio- and chemosensors. The papers were presented at the 1st Nordic-Baltic Meeting on Surface and Colloid Science, which was held in Vilnius, Lithuania on August 21-25, 1999, as a continuation of the traditional Scandinavian Symposium on Surface Chemistry.

New Developments in Polymer Analytics II (Paperback, Softcover reprint of the original 1st ed. 2000): W Koehler New Developments in Polymer Analytics II (Paperback, Softcover reprint of the original 1st ed. 2000)
W Koehler; Edited by Manfred Schmidt; Contributions by R. Schafer, S Sheiko
R4,323 Discovery Miles 43 230 Ships in 10 - 15 working days

The two volumes "New Developments in Polymer Analytics" deal with recent progress in the characterization of polymers, mostly in solution but also at s- faces. Despite the fact that almost all of the described techniques are getting on in years, the contributions are expected to meet the readers interest because either the methods are newly applied to polymers or the instrumentation has achieved a major breakthrough leading to an enhanced utilizaton by polymer scientists. The first volume concentrates on separation techniques. H. Pasch summarizes the recent successes of multi-dimensional chromatography in the characteri- tion of copolymers. Both, chain length distribution and the compositional h- erogeneity of copolymers are accessible. Capillary electrophoresis is widely and successfully utilized for the characterization of biopolymers, particular of DNA. It is only recently that the technique has been applied to the characterization of water soluble synthetic macromolecules. This contributrion of Grosche and Engelhardt focuses on the analysis of polyelectrolytes by capillary electopho- sis. The last contribution of the first volume by Coelfen and Antonietti sum- rizes the achievements and pitfalls of field flow fractionation techniques. The major drawbacks in the instrumentation have been overcome in recent years and the"triple F techniques" are currently advancing to a powerful competitor to size exclusion chromatography.

Photoconducting Polymers/Metal-Containing Polymers (Paperback, Softcover reprint of the original 1st ed. 1994): M. Biswas, a... Photoconducting Polymers/Metal-Containing Polymers (Paperback, Softcover reprint of the original 1st ed. 1994)
M. Biswas, a Mukherjee, V. Mylnikov
R1,478 Discovery Miles 14 780 Ships in 10 - 15 working days
Polymerization Reactions (Paperback, Softcover reprint of the original 1st ed. 1984): R Barbucci, P. Ferruti, E. Franta, S... Polymerization Reactions (Paperback, Softcover reprint of the original 1st ed. 1984)
R Barbucci, P. Ferruti, E. Franta, S Iwatsuki, P F Rempp
R1,485 Discovery Miles 14 850 Ships in 10 - 15 working days
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