Elements of Wet Processing detailed Syllabus for Textile Manufacturers (TX), I – scheme has been taken from the MSBTE official website and presented for the diploma students. For Subject Code, Subject Name, Lectures, Tutorial, Practical/Drawing, Credits, Theory (Max & Min) Marks, Practical (Max & Min) Marks, Total Marks, and other information, do visit full semester subjects post given below.
For all other Diploma in Textile Manufacturers (TX) Syllabus for 3rd Sem I – Scheme MSBTE, do visit Diploma in Textile Manufacturers (TX) Syllabus for 3rd Sem I – Scheme MSBTE Subjects. The detailed Syllabus for elements of wet processing is as follows.
Rationale:
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Competency:
The aim of this course is to help the student to attain the following industry identified competency through various teaching learning experiences:
- Use principles of chemical wet processing in textile manufacturing.
Course Outcomes:
The theory, practical experiences and relevant soft skills associated with this course are to be taught and implemented, so that the student demonstrates the following industry oriented COs associated with the above mentioned competency:
- Use principles of pretreatment of fabrics in textile manufacturing
- Use relevant method for desizing, scouring and bleaching of fabrics.
- Use relevant dyes and dyeing methods for given cellulosic and protein fabrics.
- Use relevant dyes and dyeing methods for given synthetic fabrics.
- Select relevant ingredients for formulation of print paste for printing cellulosic and synthetic textiles.
- Choose relevant finishing process according to the end uses.
Suggested Exercises:
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Instruments Required:
The major equipment with broad specification mentioned here will usher in uniformity in conduct of experiments, as well as aid to procure equipment by authorities concerned.
Equipment Name with Broad Specifications
- Laboratory Glass Ware (beaker, measuring cylinder.
- Laboratory steamer (50 psi)
- Dye pol( capacity 500 ml .
- Dye bath (6 or 12 pots.
- Laboratory Rota dye r( 2 5 0ml 12 or24 pots.
- Laboratory HTHP beaker dyeing machine!250ml 12 or24 pots.
- Printing screen(12 xl2 inch).rubber squeeze
- Stiffness tester
- Curing chamber
- Padding mangle
Unit 1
Basics of pretreatments
Total Teaching Hours – 08
Distribution of Theory Marks
R Level – 04
U Level – 04
A Level – –
Total Marks – 08
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the features of the given system
- Describe with sketches the procedure to carry out the given type of desizing.
- Determine the scouring loss% in the given situation
- Describe with sketches the procedure to carry out given type of bleaching.
Topics and Sub-topics
- Grey inspection process: objective, Four point checking system.
- Shearing and cropping process: Shearing cropping machine, Two cutter and four cutter system
- Singeing process and gas singeing machine.
- Desizing process: Acid desizing, enzyme desizing, Batch wise and continuous process of desizing.
- Scouring process: vertical pressure kier and J-box system
- Bleaching process, sodium hypochlorite and hydrogen peroxide bleaching.
- Mercerization: factors affecting the process of mercerization. Machine used for mercerization
Unit 2
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Unit 3
Dyeing of cellulosic fibres
Total Teaching Hours – 10
Distribution of Theory Marks
R Level – 02
U Level – 03
A Level – 04
Total Marks – 09
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches for processing of given type of cellulose fibre.
- Describe with sketches the procedure for using the given type of dye.
- Describe the features of the given type of vatting systems
- Describe with sketches the given type of dyeing method
Topics and Sub-topics
- Colouring matter: classification of dyes.
- Direct dyes: method of application, after treatments on direct dyed goods.
- Reactive Dyes: classification , method of dyeing
- Dyeing with vat Dyes: Use wise classification, dyeing method.
- Dyeing methods: dyeing of yarn and fabric with batch-wise and continuous processes
Unit 4
Dyeing of protein and synthetic fibres
Total Teaching Hours – 10
Distribution of Theory Marks
R Level – 02
U Level – 05
A Level – 07
Total Marks – 14
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the procedure for dyeing with the given type of dyes on wool
- Describe with sketches the procedure for dyeing with basic dye on the given synthetic fibre.
- Describe with sketches the given dyeing method.
Topics and Sub-topics
- Acid dyes: Classification of acid dyes application of acid dyes on wool and silk.
- Basic dyes: Application of Basic dyes on wool and silk
- Disperse dyes: dyeing mechanism, Eligh temperature dyeing process and Carrier dyeing of Polyester
- Nylon dyeing: Dyeing mechanism, dyeing with acid and metal complex dyes, dyeing with disperse and reactive dyes.
- Acrylic Dyeing: Preparation of acrylic for dyeing. Dyeing of acrylic fibre with disperse dyes.
- Dyeing methods: Batch and continuous dyeing process of poly 1 cellulose blends
Unit 5
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Unit 6
Basic concepts of finishing
Total Teaching Hours – 14
Distribution of Theory Marks
R Level – 02
U Level – 06
A Level – 07
Total Marks – 15
Unit Outcomes (UOs) (in cognitive domain)
- Describe the features of the given type of finishing machinery.
- Describe with sketches the mechanism of the given type of finishing
- Describe with sketches the given type of softening treatment
- Describe with sketches the mechanism of antimicrobial finishing for the given type of fabrics.
Topics and Sub-topics
- Finishing: objective of textile finishing, classification of finishing
- Finishing machinery : Calendaring, Decatising , Raising, Sueding, felting, Sanforising, Stenter,
- Resin finishing :Mechanism of creasing and resin finishing, Types of resin finishing, concept of Anticrease, wash-n-wear and Durable Press,
- Flame retardant finishing: Concept of flame proof and flame retardancy. Limiting oxygen Index and its importance, Thermal behaviour of textile fibres.
- 4. Softening treatments: classification of softeners. Properties, mode of action and application of softeners
- Antimicrobial finishing Requirements, Mechanism. Desirable properties of anti microbial finishes, and various antimicrobial finishes for cotton, wool, silk polyester, nylon and acrylic.
Note: To attain the COs and competency, above listed UOs need to he undertaken to achieve the Application Level and above of Blooms ‘Cognitive Domain Taxonomy
Note:
Legends: R= Remember, U=Understcmd, A =Apply and above (Blooms Revised taxonomy)
Note: This specification table provides general guidelines to assist student for their learning and to teachers to teach and assess students with respect to attainment of UOs. The actual distribution of marks at different taxonomy levels (of R, U and A) in the question paper may vary from above table.
Suggested Student Activities:
Other than the classroom and laboratory learning, following are the suggested student-related co-curricular activities which can be undertaken to accelerate the attainment of the various outcomes in this course: Students should conduct following activities in group and prepare reports of about 5 pages for each activity, also collect/record physical evidences for their (students) portfolio which will be useful for their placement interviews:
- collection of fabric swatches (dyed/printed/finished)
- preparation of charts of various dye classes
- Visit textile process house and observe various activities.
- Collection of videos on chemical processing.
Suggested Special Instructional Strategies:
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Suggested Micro-Projects
Only one micro-project is planned to be undertaken by a student that needs to be assigned to him/her in the beginning of the semester. In the first four semesters, the micro-project are group-based. However, in the fifth and sixth semesters, it should be preferably be individually undertaken to build up the skill and confidence in every student to become problem solver so that s/he contributes to the projects of the industry. In special situations where groups have to be formed for micro-projects, the number of students in the group should not exceed three.
The micro-project could be industry application based, internet-based, workshopbased, laboratory-based or field-based. Each micro-project should encompass two or more COs which are in fact, an integration of PrOs, UOs and ADOs. Each student will have to maintain dated work diary consisting of individual contribution in the project work and give a seminar presentation of it before submission. The total duration of the micro-project should not be less than 16 (sixteen) student engagement hours during the course. The student ought to submit micro-project by the end of the semester to develop the industry oriented COs.
A suggestive list of micro-projects are given here. Similar micro-projects could be added by the concerned faculty:
- Collection of samples: Collect samples at each stages of pretreatment and check the absorbency
- Effect on depth of shade: Collect various fabric qualities carry out dyeing with direct dyes and check the depth of shade
- Colour fastness: Carry out dyeing with three selected dyes and check the washing fastness, rubbing fastness.
- Preparation of charts: Collect printed samples made by various printing methods and prepare chart of it.
- Shade card preparation: Select three reactive dyes carry out dyeing activity and prepare shade cards.
- Collection of processing information: Visit different chemical processing units and collect their process sequence.
- Power point presentations: Prepare presentation on relevant machineries used in chemical processing.
Suggested Learning Resources:
- Dyeing and chemical Technology of Textile Fibres Trotman, E. R. T. John willey and Sons Inc,1985 ISBN: 978-0471809104
- Silk Dyeing printing and finishing by Gulrajani, M. L. BPB Publications. New Delhi 2016, ISBN:978-8183331630
- Fundamental Principles of Textile Processing Shenai, V.A. Sevak Publications, Bombay, 1984 ISBN 13: 9783659686047.
- Textile Printing Miles, L.W.C. Published by Society of Dyers and Colourists (1981) ISBN: 9780901956330
- An Introduction to Textile Printing Clarke. W CBS Publishers and Distributors Pvt. Ltd., New Delhi 2004; ISBN: 9781855739949
- Technology of Printing Shenai, V.A. Sevak Publications, Bombay, 1984 IBSN: 9783659686047
Software/Learning Websites:
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..
For detail Syllabus of all other subjects of Textile Manufacturers, I – scheme do visit Textile Manufacturers 3rd Sem Syllabus for I – scheme.
For all Textile Manufacturers results, visit MSBTE Textile Manufacturers all semester results direct links.