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The article contains sections titled: 1. Introduction 1.1. Morphology 1.2. Versatility 1.3. Molecular Structure 2. Physical and Chemical Properties 2.1. Vinyl Chloride Monomer (VCM) 2.2. Poly(Vinyl Chloride) (PVC) 3. Resources and Raw Materials 4. Production 4.1. Suspension Polymerization of Vinyl Chloride 4.1.1. Introduction 4.1.2. Additives 4.1.3. Kinetics 4.1.4. Morphology 4.1.4.1. Control of Grain Size 4.1.4.2. Control of Porosity and Bulk Density 4.1.4.3. K‐Value (Molecular Mass) 4.1.4.4. Problem Areas 4.2. Bulk or Mass Polymerization of Vinyl Chloride 4.3. Emulsion Polymerization of Vinyl Chloride 4.3.1. Introduction 4.3.2. Emulsion Polymerization Processes 4.3.3. Description of the Batch Process 4.3.4. Plastisols 4.3.5. Polymer ‐ Plasticizer Interaction 4.3.6. Gelation and Fusion 4.3.7. Applications 4.4. Chlorinated Poly(Vinyl Chloride), CPVC 5. Environmental Protection 6. Quality Specifications and Analysis 7. Storage and Transportation 8. Processing and End Uses 9. Economic Aspects 10. Toxicology and Occupational Health

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This article covers the uniqueness and versatility of this high tounage thermoplastic. The unique morphology of PVC is covered in detail and related to both its polymerization and production processes and also to its subsequent processing at the customer end. Each of the main polymerization processes of suspension, mass, and emulsion are described in detail with particular emphasis on how the morphology of each different product is created. Other aspects such as environmental protection, quality and testing, processing, and economic aspects complete the story of this fascinating polymer.

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