Vinyl Acetate Emulsion Polymerization and Copolymerization with Acrylic Monomers

ISBN: 9780849323034 出版年：2000 页码：338 Erbil, Yildirim H CRC Press

INTRODUCTION EMULSION POLYMERIZATION Emulsion Polymerization of Hydrophobic Monomers Inverse and Emulsifier Free Emulsion Polymerizations Vinyl Acetate Emulsion Polymerization Radiation Induced Vinyl Acetate Emulsion Polymerization THE ROLE OF INGREDIENTS IN VINYL ACETATE EMULSION Monomer Quality and Inhibitors Initiators Emulsifiers Protective Colloids PH and Ionic Strength Controllers Others THEORY AND KINETICS OF VINYL ACETATE HOMOPOLYMERIZATION Effect of Monomer Concentration Effect of Initiator Concentration and Type Effect of Emulsifier Concentration and Type Particle Nucleation Mechanisms Thermodynamics and Kinetics of Particle Morphology Control VINYL ACETATE COPOLYMERIZATION WITH ACRYLIC MONOMERS Reactivity Ratios Propagation Rate in Copolymerization Controlled Monomer Addition The Effect of the Type of the Acrylic Monomer The Effect of the Vinyl Acetate/Acrylic Monomer Feed Ratio COLLOIDAL STABILITY OF VINYL ACETATE HOMO AND COPOLYMERS Basic Phenomena Steric Stabilization Coagulation Ionic Effects EXPERIMENTAL DETERMINATION OF LATTICE PROPERTIES Viscosity Solids Content Free Monomer Content Mean Molecular Weight and Molecular Weight Distribution Graft and Cross-Linked Polymer Content Monomer Sequence Distribution Mean Particle Size and Particle Size Distribution Chemical Composition of Copolymers Scattering of Colloids Surfactant Adsorption on Latex/Water Interface Colloidal Stability Drying and Film Forming Properties of Latices Surface Tension of Dried Latex Films Dynamic Mechanical Properties of Latex Films Aging Properties FACTORS AFFECTING THE FINAL P ROPERTIES OF THE POLYVINYL ACETATE-BASED LATICES The Role of the Type and the Quality of the {Polyvinyl Alcohol Protective Colloids on PVAc Homopolymers The Role of Emulsifiers on the Mean Particle Size and Colloidal Stability The Stabilization of PVAc Latices by Monomeric Carboxylic Groups The Role of the Duration of Polymerization Reaction The Role of Acrylic Comonomers The Role of Monomer Addition Methods and Propagation Rates on Copolymer Composition in Semi-Batch Reactor Operations The Role of the Shapes of Reactor Stirrers and Baffles and Stirring Rate The Role of Antifoaming Agents Seed Latex Preparation and Use Emulsion Polymerization in Continuous Reactors Scale-Up Problems OVERVIEW OF THE USES OF POLYVINYL ACETATE-BASED LATICES SOME NEW APPLICATIONS IN INDUSTRY Ultrasound Sensor Monitoring of Emulsion Polymerization Loop Reactor Continuous Emulsion Polymerization