23 - Curriculum Development Centre, Kalamassery

SUBJECT TITLE: TECHNOLOGY OF ELASTOMERSSUBJECT CODE : PL 303PERIODS/WEEK : 6PERIODS/SEMESTER : 96TIME SCHEDULEUNIT TOPICS PERIODSI 1.1 Principles of compounding 201.2 Theory of vulcanizationTest – I 2II2.1 Preparation properties and applications of CompoundingIngredients 20Test – II 2III 3.1 Cure characteristics and cure measurements 12Test – III 2IV 4.1 Compounding for vulcanisate properties 20Test – IV 2V 5.1 Different Vulcanization method 55.2 Vulcunisation methods other than moulding 95.3 Finishing of Rubber componentsTest – V 2----------Total 96=====OBJECTIVESUNIT – I1.1.0 Understand principles of compounding. Compounding ingredients and theirclassification1.1.1 Define compounding and its objective1.1.2 Prepare a general recipe for product manufacturing1.1.3 List out the compounding ingredients1.1.4 Explain base polymer and its function in a compound1.1.5 Explain vulcanizing agent and its function1.1.6 State the role of curing system in Recipe1.1.7 Describe the function of accelerators and their classification1.1.8 Explain activators and their function and application1.1.9 Analyze the role of other ingredient such as filler, plasticiser, softener and otherspecial additives used in rubber industry1.2.0 Comprehend the theory of vulcanization1.2.1 Explain the changes that occur in a Rubber compound due to vulcanization1.2.2 Explain sulphur vulcanization1.2.3 Describe the different types of cross-links and their effect on vulcanisate properties1.2.4 Explain the theory of vulcanization1.2.5 Distinguish low sulphur vulcanization and non sulphur vulcanization with example1.2.6 Distinguish CV, EV and SEV1.2.7 Describe the curing system used for NR and SR1.2.8 Discuss sulphur system and non sulphur system for olefin and non olefin rubbers71