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Technology and Development of Self-Reinforced Polymer Composites,
by Ben Alcock und Ton Peijs; Recent Advances in High-Temperature
Fractionation of Polyolefins, by Harald Pasch, Muhammad Imran Malik
und Tibor Macko ; Antibacterial Peptidomimetics: Polymeric
Synthetic Mimics of Antimicrobial Peptides, by Karen Lienkamp,
Ahmad E. Madkour und Gregory N. Tew; Collagen in Human Tissues:
Structure, Function, and Biomedical Implications from a Tissue
Engineering Perspective, by Molamma P. Prabhakaran;
1 H.H. Kausch, G.H. Michler: The Effect of Time on Crazing and
Fracture.- 2 L. Monnerie, F. Laupretre, J.-L. Halary: Investigation
of Solid-State Transitions in Linear and Crosslinked Amorphous
Polymers.- 3 L. Monnerie, J.-L. Halary, H.H. Kausch: Deformation,
Yield and Fracture of Amorphous Polymers: Relation to the Secondary
Transitions.-
Technology and Development of Self-Reinforced Polymer Composites,
by Ben Alcock und Ton Peijs; Recent Advances in High-Temperature
Fractionation of Polyolefins, by Harald Pasch, Muhammad Imran Malik
und Tibor Macko; Antibacterial Peptidomimetics: Polymeric Synthetic
Mimics of Antimicrobial Peptides, by Karen Lienkamp, Ahmad E.
Madkour und Gregory N. Tew; Collagen in Human Tissues: Structure,
Function, and Biomedical Implications from a Tissue Engineering
Perspective, by Molamma P. Prabhakaran;
The behavior of polymer solutions in simple shear flows has been
the subject of considerable research in the past. On the other
hand, reports on polymers in elongational flow have appeared
comparatively recently in the literature. Elongational flow with an
inherent low vorticity is known to be more effective in extending
polymer chains than simple shear flow and thus is more interesting
from the point of view of basic (molecular chain dynamics at high
deformation) and applied polymer science (rheology, fiber
extrusion, drag reduction, flow through porous media). Undoubtly,
one landmark in the field of polymer dynamics in elongational flow
was the notion of critical strain-rate for chain extension,
initially put forward by A. Peterlin (1966) and later refined into
the "coil-stretching" transition by P. G. de Gennes and H. Hinch
(1974). In the two decades which followed, significant progress in
the understanding of chain conformation in "strong" flow has been
accomplished through a combination of advances in instrumentation,
computation techniques and theoretical studies. As a result of the
multidisciplinary nature of the field, information on polymer
chains in "strong" flow is accessible only from reviews and
research papers scattered in disparate scientific journals. An
important objective of this book is to remedy that situation by
providing the reader with up-to-date knowledge in a single volume.
The editors therefore invited leading specialists to provide both
fundamental and applied information on the multiple facets of chain
deformation in elongational flow.
Biomaterials repair, reinforce or replace damaged functional parts
of the (human) body. All mechanical and biological interactions
between an implant and the body occur across the interface, which
has to correspond as nearly as possible to its particular function.
Much of the progress in adapting polymer materials for use in a
biological environment has been obtained through irradiation
techniques. For this reason the most recent developments in four
key areas are reviewed in this special volume: (1) the analysis of
the topology and the elemental composition of a functional surface,
(2) the chemical modification of the surface which results in
highly pure, sterile and versatile surfaces, (3) the sterilisation
of implantable devices via ionising radiation and its possible
effects on the structural mechanical properties of polymers, and
(4) the radiation effects on living cells and tissues which are of
particular importance for radiation protection and radiotherapy.
1 C.-M. Chan, L. Li: Direct Observation of the Growth of Lamellae
and Spherulites by AFM.- C. Grein: Toughness of Neat, Rubber
Modified and Filled beta-Nucleated Polypropylene: From Fundamentals
to Applications.- 3 V. Altstadt: The Influence of Molecular
Variables on Fatigue Resistance in Stress Cracking Environment.- 4
A. Chateauminois, M.C. Baietto-Dubourg: Fracture of Glassy Polymers
Within Sliding Contacts.- 5 R. Estevez, E. van der Giessen:
Modeling and Computational Analysis of Fracture of Glassy
Polymers.-
Biomaterials repair, reinforce or replace damaged functional parts of the (human) body. All mechanical and biological interactions between an implant and the body occur across the interface, which has to correspond as nearly as possible to its particular function. Much of the progress in adapting polymer materials for use in a biological environment has been obtained through irradiation techniques. For this reason the most recent developments in four key areas are reviewed in this special volume: (1) the analysis of the topology and the elemental composition of a functional surface, (2) the chemical modification of the surface which results in highly pure, sterile and versatile surfaces, (3) the sterilisation of implantable devices via ionising radiation and its possible effects on the structural mechanical properties of polymers, and (4) the radiation effects on living cells and tissues which are of particular importance for radiation protection and radiotherapy.
The behavior of polymer solutions in simple shear flows has been
the subject of considerable research in the past. On the other
hand, reports on polymers in elongational flow have appeared
comparatively recently in the literature. Elongational flow with an
inherent low vorticity is known to be more effective in extending
polymer chains than simple shear flow and thus is more interesting
from the point of view of basic (molecular chain dynamics at high
deformation) and applied polymer science (rheology, fiber
extrusion, drag reduction, flow through porous media). Undoubtly,
one landmark in the field of polymer dynamics in elongational flow
was the notion of critical strain-rate for chain extension,
initially put forward by A. Peterlin (1966) and later refined into
the "coil-stretching" transition by P. G. de Gennes and H. Hinch
(1974). In the two decades which followed, significant progress in
the understanding of chain conformation in "strong" flow has been
accomplished through a combination of advances in instrumentation,
computation techniques and theoretical studies. As a result of the
multidisciplinary nature of the field, information on polymer
chains in "strong" flow is accessible only from reviews and
research papers scattered in disparate scientific journals. An
important objective of this book is to remedy that situation by
providing the reader with up-to-date knowledge in a single volume.
The editors therefore invited leading specialists to provide both
fundamental and applied information on the multiple facets of chain
deformation in elongational flow.
The first edition of this book had been written with the special
aim to provide the necessary information for an understanding of
the deformation and scission of chain molecules and its role in
polymer fracture. In this field there had been an intense ac tivity
in the sixties and early seventies. The new results from
spectroscopical (ESR, IR) and fracture mechanics methods reported
in the first edition had complemented in a very successful way the
conventional interpretations of fracture behavior. The extremely
friendly reception of this book by the polymer community has shown
that the subject was timely chosen and that the treatment had
satisfied a need. In view of the importance of a molecular
interpretation of fracture phenomena and of the continued demand
for this book which still is the only one of its kind, a second
edition has become necessary. The aims of the second edition will
be similar to those of the first: it will be at tempted to
reference and evaluate completely the literature on stress-induced
chain scission, now up to 1985/86. References on other subjects
such as morphology, vis coelasticity, plastiC deformation and
fracture mechanics, where the treatment was never meant to be
exhaustive, have remained selective, but they have been updated."
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