Phase-Separated Interpenetrating Polymer Networks

Front Cover
Springer Science & Business Media, Sep 26, 2007 - Technology & Engineering - 234 pages
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Contents

The Nature of IPNs 11 Introduction
6
Definitions
8
Formation and Structure of Amorphous Polymer Networks
10
Thermodynamics and Phase Separation in IPNs 21 Thermodynamics of IPN Mixing
15
Phase Diagrams of Reacting Systems
16
Miscibility and Immiscibility of IPNs
21
Mechanisms of Phase Separation in IPNs
24
Spinodal Decomposition
35
Effect of the Domain Sizes on the Glass Transition Temperatures
128
Relaxation Spectra of IPNs
130
VibrationDamping Properties
137
Determining the Segregation Degree from Parameters of Relaxation Maxima
139
Dependence of Viscoelastic Properties on Segregation Degree
143
Chemical Kinetics of IPN Formationand Phase Separation 51 General Premises
147
Kinetic Characteristics of IPN Formation
148
Mutual Influence of the Constituent Networks on the Kinetics of IPN Formation
157

BinderFrisch Approach
44
Interfacial Region in IPNs
47
Composition and Ratio of Phases Evolved During Phase Separation
51
Nonequilibrium States of IPNs
52
Heterogeneous Structure and Morphology of IPNs
55
Crosslinking Density in IPNs
56
Free Volume
62
Parameters of Heterogeneous Structure of IPNs
70
Experimental Data on Heterogeneity
73
Sequential IPNs Based on Polyurethane and StyreneDivinylbenzene Copolymer
74
Simultaneous IPNs Based on Polyurethane and Polyurethane acrylate
77
Sequential IPNs Obtained Using Anionic Polymerization
80
Microphase Structure of IPNs Based on PU and Ionomeric PU
84
Reaction Conditions and Microphase Structure
87
Characterization of IPN Structure via SmallAngle Neutron Scattering
91
Features of IPN Morphology
96
Relaxation Transitions and Viscoelasticity of IPNs
103
Application of Mechanical Models
105
Viscoelastic Functions and Relaxation Transitions
111
Viscoelasticity and Curing Conditions
116
Properties of Thermoplastic Apparent IPNs
120
Features of Temperature Transitions
124
Contribution of an Interphase to Viscoelastic Properties
126
Relation Between Reaction Kinetics and Microphase Separation
164
SemiIPN Formed by Curing PU Network in the Presence of PBMA
167
IPNs Produced by Simultaneous Curing of Polyurethane and Polymerization of Butyl Methacrylate
169
Thermodynamics and Kinetics of Phase Separation
173
Reaction Kinetics and Properties of Evolved Phases
176
Kinetics of Formation of Sequential IPNs
179
Role of Kinetics in Formation of an Interphase and Segregation
181
Description of Reaction Kinetics in Terms of Phase Transition
183
Some Features of Rheokinetics and Structure States of SemiIPNs During Their Formation
186
Special Features of SelfOrganization During the Formation of IPNs
191
Kinetics of IPN Formation in the Presence of Filler
194
Compatibilization in PhaseSeparated IPNs 61 General Premises
199
Factors with Influence on Determining IPN Compatibility
201
Compatibilization in IPNs Based on PUPBMA
203
Introduction of Internetwork Grafting
204
Introduction of Compatibilizers
207
Compatibilization in IPNs Based on PUPS
208
DMA Investigation
210
DSC Measurements
214
References
218
Author Index Volumes 201209
228
Subject Index
233
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