Structure and Properties of Crosslinked Polymers

Structure and Properties of Crosslinked Polymers

Author: Gasan M Magomedov, Georgii V Kozlov and Gennady Zaikov
ISBN 978-1-84735-559-1 

Published: 2011 
Pages: 492, Hard cover
This book gives a fresh point of view on the curing processes, structure, and properties of crosslinked polymers. The general view is that the structure and properties of crosslinked polymers are defined by their density, this book demonstrates that the parameters are defined by the supermolecular (a more precisely, supersegmental structure) of the crosslinked polymers.

The quantitative relationships of the structures/properties are obtained for these polymers. Using an epoxy polymer as a nanofiller for a nanocomposite is discussed and a new class of polymer is proposed. The introduction of the nanofiller gives variation in the mechanical properties, the degree of crystallinity, gas permeability and so on. The use of these crosslinked polymers as natural nanocomposites is proposed. Practical methods of crosslinked polymer's supersegmental structure regulation are considered, and all the changes that this gives their properties are detailed.

This book will be of significance to all material scientists and students of material science.

1. The Main Principles of the Cluster Model
1.1 Fundamentals
1.2 Thermodynamics of the Local Order Formation
1.3 Polymer Structure Ordering Degree and Cluster Model
1.4 Thermofluctuational Origin of Clusters
1.5 Functionality of Clusters and Methods of its Estimation
2 The Main Physical Concepts used in Fractals Theory
2.1 The Fractal Analysis of Polymeric Media
2.2 The Fractal Models of Polymer Medium Structure
2.3 Polymer Medium with Scaling Theory Positions
2.4 The Fractal Analysis in Molecular Mobility Description Questions
3 The Fractal Models of Epoxy Polymers Curing Process
3.1 Two Types of Fractal Reactions at Curing of Crosslinked Epoxy Polymers
3.2 Scaling Relationships for Curing Reactions of Epoxy Polymers
3.3 Microgel Formation in the Curing Process of Epoxy Polymers
3.4 Synergetics of the Curing Process of Epoxy Polymers
3.5 The Nanodimensional Effects in the Curing Process of Epoxy Polymers into Fractal Space
4 The Description of Crosslinked Rubbers within the Frameworks of Fractal Analysis and Local Order Models
4.1 Molecular and Structural Characteristics of Crosslinked Polymer Networks
4.2 The Polychloroprene Crystallisation
4.3 The Cluster Model Application for the Description of the Process and Properties of Polychloroprene Crystallisation
4.4 Influence of Polychloroprene Crystalline Morphology on Its Mechanical Behaviour
5 Structure of Epoxy Polymers
5.1 Application of Wide Angle X-ray Diffraction for Study of the Structure of Epoxy Polymers
5.2 The Curing Influence on Molecular and Structural Characteristics of Epoxy Polymers
5.3 The Description of the Structure of Crosslinked Polymers within the Frameworks of Modern Physical Models
5.4 Synergetics of the Formation of Dissipative Structures in Epoxy Polymers
5.5 The Structural Analysis of Fluctuation Free Volume of Crosslinked Polymers
6 The Properties of Crosslinked Epoxy Polymers
6.1 The Glass Transition Temperature
6.2 Elasticity Moduli
6.3 Yield Stress
6.4 Fracture of Epoxy Polymers
6.5 The Other Properties
6.6 The Physical Ageing of Epoxy Polymers
7 Nanocomposites on the Basis of Crosslinked Polymers
7.1 The Formation of the Structure of Polymer/Organoclay Nanocomposites
7.2 The Reinforcement Mechanisms of Polymer/Organoclay Nanocomposites
7.3 The Simulation of Stress-strain Curves for Polymer/Organoclay Nanocomposites within the Frameworks of the Fractal Model
7.4 The Multifractal Model of Sorption Processes for Nanocomposites
8 Polymer-polymeric Nanocomposites
8.1 The Fractal Analysis of Crystallisation of Nanocomposites
8.2 The Melt Viscosity of HDPE/EP Nanocomposites
8.3 The Mechanical Properties of HDPE/EP Nanocomposites
8.4 The Diffusive Characteristics of HDPE/EP Nanocomposite
9 Crosslinked Epoxy Polymers as Natural Nanocomposites
9.1 Formation of the Structure of Natural Nanocomposites
9.2 The Properties of Natural Nanocomposites
10 The Solid-phase Extrusion of Rarely Crosslinked
Epoxy Polymers