Chapter 2General Plastics
General Plastics Chapter 2
2.1 Introduction2.1.1 Plastics are polymers
2.1 Introduction 2.1.1 Plastics are polymers
Plastics A category of polymer They are plastic (non elastic)
• A category of polymer • They are plastic (non elastic) Plastics
Properties of PlasticsStrength Toughness Thermo Properties· Other Properties
Properties of Plastics • Strength • Toughness • Thermo Properties • Other Properties
StrengthToughness? Tensile strengthImpact resistanceTensile Modulus? Flexural Strength·Environmental Stress Crack.Flexural Modulus
Strength • Tensile strength • Tensile Modulus • Flexural Strength • Flexural Modulus Toughness • Impact resistance • Environmental Stress Crack
Thermo Properties·Deformation Temperature·Decomposition Temperature? Melting Point· Glass Transition Temperature
Thermo Properties • Deformation Temperature • Decomposition Temperature • Melting Point • Glass Transition Temperature
Other PropertiesElectrical Properties. Chemical Resistance· Abrasion Properties
Other Properties • Electrical Properties • Chemical Resistance • Abrasion Properties
Civil Plastics and EngineeringPlastics
Civil Plastics and Engineering Plastics
Civil Plastics (General Plastics.Common Plastics, Commodity Plastics )PP, PE, PVC,ABS,PS
PP, PE, PVC, ABS, PS Civil Plastics (General Plastics, Common Plastics, Commodity Plastics )
Engineering Plastics High Strength Good Toughness Good Thermo propertiesExamples of Engineering Plastics:·PC·PAPA6 PA66·ABS·POM
Engineering Plastics • High Strength • Good Toughness • Good Thermo properties Examples of Engineering Plastics: • PA PA6 PA66 • PC • ABS • POM