Polymerization Industries and their Importance

Polymers made from monomers having bifunctional group Polymers made from multiple monomers Polymers made from monomers having trifunctional group Simple polymers Low pressure metal oxide process Low pressure Ziegler process High pressure metal oxide process High pressure Ziegler process By adding water By adding sulfuric acid By adding nitric acid By adding phosphoric acid 150-200 °C 20-100 °C 80-140 °C 140-200 °C Solution polymerization Bulk polymerization Emulsion polymerization Addition polymerization Acrylonitrile Butadiene Styrene copolymer Polypropylene Phenolics Epoxy resin Polystyrene PVC Multifunctional monomers forming three or more active covalent bonds Linear chains joined one to another at various positions Linear molecules formed by extrusion Polymers with side branches Spinning Weaving Filamenting Attrition Cotton Linen Wool Nylon Wool Cotton Linen Viscose Bagasse Sugar Wood pulp Polyester Basic solution catalyst Acid solution catalyst Solid catalyst Adding acid Addition of nitrogen atom across a C=C Addition of sulphur atom across a C=C Addition of oxygen atom across a C=C Addition of oxygen atom across a C-C Resorcinol Alcohol Phenolphthalein PVC