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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.-
1. B. Keszler, J.P. Kennedy, Akron, OH, USA Synthesis of High
Molecular Weight Poly (Beta-Pinene) 2. Y. Chujo, T. Saegusa, Kyoto,
Japan OrganicPolymer Hybrids with Silica Gel by Means of the
Sol-Gel Method 3. A. Halperin, Mainz, FRG, M. Tirrell, T.P. Lodge,
Minnea- polis, MN, USA Tethered Chains in Polymer Microstructures
4. T.Q. Nguyen, H.-H. Kausch, Lausanne, CH Mechanochemical
Degradation in Transient Elongational Flow 5. P. Corradini, G.
Guerra, Naples, Italy Polymorphism in Polymers 6. K.A. Armitstead,
G. Goldbeck-Wood, A. Keller, Bristol, UK Review of Polymer
Crystallization Theories 7. M. Fischer, Fribourg, CH Properties and
Failure of Polymers with Tailored Distances between Crosslinks 8.
M. Stamm, Mainz, FRG Polymer Interfaces on a Molecular Scale:
Comparison of Techniques and Some Examples
Pt. A: NMR and other Spectroscopic Methods. Pt. B: Mechanical
Methods
This book on "Polymer Fracture" might as well have been called
"Kinetic Theory of Polymer Fracture." The term "kinetic theory,"
however, needs some de finition or, at least, some explanation. A
kinetic theory deals with and particu larly considers the effect of
the existence and discrete size, of the motion and of the physical
properties of molecules on the macroscopic behavior of an ensemble,
gaseous or other. A kinetic theory of strength does have to
consider additional aspects such as elastic and anelastic
deformations, chemical and physical reactions, and the sequence and
distribution of different disintegration steps. In the last fifteen
years considerable progress has been made in the latter do mains.
The deformation and rupture of molecular chains, crystals, and
morphologi cal structures have been intensively investigated. The
understanding of the effect of those processes on the strength of
polymeric materials has especially been furthered by the
development and application of spectroscopical methods (ESR, IR)
and of the tools offracture mechanics. It is the aim of this book
to relate the conventional and successful statistical,
parametrical, and continuum mechanical treatment of fracture
phenomena to new results on the behavior of highly stressed
molecular chains."
7) Kryszewski, M. and A. Szymanski, Macromol. Rev. 4D, 183 (1970).
The density and the energetic situation of local- 8) Bassler, H.,
Kunststoffe 62, 115 (1972). i; ed levels at the polymer surface and
bulk and their 9) Rose, A., Helv. Phys. Acta 29, 199 (1956).
occupancy probability of excess electrons or defect- 10) Many, A.,
Y. Goldstein and N. B. Grover electrons determine the electrostatic
charging of Semiconductor Surfaces, 139 (Amsterdam 1971): polymer
solids associated with the contact of met- 11) Many, A., N. B.
Grover, Y. Goldstein and E. als. Accumulation layers of
excesselectrons and de- Harnik, ]. Phys. Chern. Solids 14, ]D 5,
298 (1960). pletion layers of defectelectrons can exist near the
12) Many, A., Y. Goldstein and N. B. Grover polymer surface
depending on the electrical potential Semiconductor Surfaces, 185
(Amsterdam 1971): of the contacting metal. These layers are caused
by 13) Ryvktn, S. M., Photoelectric Effects in Semi- the difference
between the physical states of the poly- conductors, 252 (New York
1964). mer surface and bulk. The energetic situation of the 14)
Cholvdry, A. and C. R. Westgate, ]. Phys. D: localized levels is
determined by intermolecular inter- Appl. Phys. 7, 713 (1974).
actions and therefore it depends on the state of 15) Many, A., Y.
Goldstein and N. B. Grover, order of the surface and the bulk.
Semiconductor Surfaces, 136 (Amsterdam 1971).
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