3091: Natural Rubber Production KL Diploma Syllabus for Polymer 3rd Sem 2015 Revision SITTTR

Natural Rubber Production detailed syllabus for Polymer Technology (Polymer) for 2015 revision curriculum has been taken from the SITTTRs official website and presented for the Polymer students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.

For Polymer Technology 3rd Sem scheme and its subjects, do visit Polymer 3rd Sem 2015 revision scheme. The detailed syllabus of natural rubber production is as follows.

Course Outcomes:

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SPECIFIC OUTCOME

MODULE I HISTORY, SOURCES, AND IMPORTANCE OF NATURAL RUBBER

1. To understand the different rubber yielding plants , their propagation methods , extraction of latex and statistics and study of NR production .
   1. State the importance, uniqueness of NR, major sources of NR and statistics of production and consumption in India and world.
   2. Describe the propagation methods and different clones of rubber plants.
   3. Define tapping and standard of capability, tapping task, tapping rest.
   4. List the different tapping systems in use.
   5. Describe the different types of tapping like ladder, slaughter and puncture tapping.
   6. Explain the nature, action and method of application of yield stimulants.
   7. Explain the method and importance of rain guarding.

MODULE II PRESERVATION AND CONCENTRATION OF NR LATEX

1. To understand the composition and colloidal nature of Natural rubber latex
   1. Explain the composition and colloidal nature of NR latex.
   2. Explain the role of microorganisms in latex and destabilization of latex
   3. Discuss the various short term and long term preservative systems used in NR latex
   4. List the different concentration methods of NR latex
   5. Explain the principle, process and applications of creaming process.
   6. Explain the principle, process and applications of centrifuging process.
   7. Draw the diagram of Centrifuging machine and plant lay out centrifuging plant.
   8. Compare creamed and centrifuged latex with respect to TSC, DRC and Stability.
   9. State the BIS specification of centrifuged latex.
   10. Explain double centrifuged latex, skim latex and skim rubber and uses.

MODULE III PROCESSING OF NR LATEX IN TO DRY MARKETABLE FORMS

1. To comprehend the processing of NR latex in to dry marketable forms
2. List the different marketable forms of dry natural rubber.
3. Describe the machinery and process of manufacture of Ribbed smoked sheets and Air dried sheets.
4. Explain the different grades of sheet rubber.
5. Describe the machinery and process of manufacture of Pale latex crepe and Estate brown crepe.
6. Explain the different grades of crepe rubber
7. Explain the machinery and process of manufacture of technically specified block rubber (ISNR).
8. State the BIS specification of ISNR grades.
9. State the advantages of ISNR and its current trends in Rubber Industries.

MODULE IV SPECIALITY FORMS OF NATURAL RUBBER AND RECLAIM RUBBER

1. Understand the production , properties and applications of specialty rubbers and reclaimed rubbers
2. List the different specialty forms of Natural Rubber.
3. Explain the production of different forms superior processing rubbers-SP RSS, SP ADS, SP, Crepe, PA 80and PA 57
4. Describe the processing of Natural rubber latex into Constant viscosity and low viscosity rubbers.
5. Describe the processing of Natural rubber latex into OENR,DPNR and TPNR.
6. Define epoxidised NR, powdered NR, Cyclised NR and Chlorinated NR.
7. Explain the preparation and advantages of Tyre rubber, Latex master batch and powdered Rubber.
8. Define Reclaim rubber.
9. Describe the Reclamator and Digester process for the production of reclaimed rubber.
10. Discuss the advantages and applications of reclaimed rubbers.
11. State the types of Reclaimed rubber and its specifications.

MODULE-I

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MODULE-II

Preservation and concentration of NR latex. Definition of NR latex -composition and colloid nature -role of micro organisms – pre coagulation -short term and long term preservation systems -Anti coagulants and preservatives Concentration of NR latexcreaming , centrifuging ,-principle process machinery and plant lay out . BIS specification of centrifuged latex .Natural rubber latex -Double centrifuged latex , skim latex-skim rubber.

MODULE-III

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MODULE-IV

Speciality forms of natural rubber and reclaim rubber Speciality rubbers -importance -features and applications processing -advantages and disadvantages -SP rubbers ,CV and LV rubbers ,OENR,DPNR, TPNR, Epoxidised NR, Powdered NR, Cyclised NR, Chlorinated NR, Tyre rubber , Latex master batch. Reclaim rubber – Reclamator process, Digester process -Advantages and applications .Types of reclaim rubbers -Specifications

Reference Books:

For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier.
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For detailed syllabus of all other subjects of Polymer Technology, 2015 revision curriculum do visit Polymer 3rd Sem subject syllabuses for 2015 revision.

To see the syllabus of all other branches of diploma 2015 revision curriculum do visit all branches of SITTTR diploma 2015 revision.