23 - Curriculum Development Centre, Kalamassery

SUBJECT NAME: SYNTHETIC RUBBERSUBJECT CODE : PL 301PERIODS/WEEK : 5PERIODS/SEMESTER : 80TIME SCHEDULEUNIT TOPIC PERIODSI. 1.1 General introduction & Structure property relations. 16Test – I 2II. 2.1 General-purpose rubbers 15Test – II 2III 3.1 Special purpose rubbers 15`Test –III 2IV 4.1 Other special purpose and specialty Rubber 12Test – IV 2V 5.1 Thermoplastic elastomers 75.2 Blends 5Test—V 2Total 80OBJECTIVESUNIT – 11.1.0 Understand elastomers with reference to their structure and properties.1.1.1 Compare elastomers with other polymers like plastics and fibers.1.1.2 Define elastomers with reference to extensibility and recovery, Glass Transition temperature(Tg) etc.1.1.3 Describe the effect of crystallinity on the properties of elastomers1.1.4 Identify the factors affecting Tg and crystallinity.1.1.5 State the effect of stereo regularity on the properties of elastomers.1.1.6 Describe the role of Ziegler Natta catalyst in obtaining desired level of stereo regularity1.1.7 Illustrate the history of synthetic rubbers with the important reference1.1.8 State statistics of synthetic rubbers production and consumption in India and worldwide.UNIT– 22.1.0. Understand monomer preparation, the structure, production, properties (raw andvulcanisate), curing systems, compounding, processing, grades, trade names andapplications of various general-purpose synthetic rubbers.2.1.1 Explain structure, production and properties of the following monomers – styrene, butadieneand isoprene.2.2.1 Explain the structure, production, properties (raw and vulcanisate), curing systems,compounding, processing, grades, trade names and application of styrene butadiene rubbers(SBR).Poly butadiene rubber (BR), Isoprene rubber2.2.2 Explain the structure production properties and application of high styrene resin.2.2.3 Differentiate between natural rubber (NR) and IR.61