Technology of Textile Pretreatments detailed Syllabus for Textile Technology (TC), 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 Technology (TC) Syllabus for 3rd Sem I – Scheme MSBTE, do visit Diploma in Textile Technology (TC) Syllabus for 3rd Sem I – Scheme MSBTE Subjects. The detailed Syllabus for technology of textile pretreatments 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 different types of textile pre-treatment machines and processes.
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 relevant size paste on textile to improve its strength.
- Use relevant mechanical process to remove the impurities from textiles.
- Use relevant desizing process to remove size from textile.
- Use relevant scouring process to improve absorbency of textile.
- Use relevant bleaching process to improve whiteness of textile.
- Use relevant mercerization process to improve luster of cotton.
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 (Round bottom flask, condenser, pipettes, burettes, thermometer, and other related glassware) heating mantle
- Fabric inspection machine (1 meter x 2 meter purging machine with top and bottom light source .
- 1CI pilling tester
- Water bath (6 or 12 dye-pot holding capacity made of stainless steel which can be either gas heated or electrically heated with microprocessor control.
- Dye-pots (made of stainless steel each of 250 or 500 ml capacity, which fits perfectly in water bath)
- Steamer (which has the capacity to generate a pressure of 30 psi and can have a batch size of 02 to 05 kg..
- Hank mercerization machine (which has a capacity to mercerize hank and lea.
Unit 1
Sizing
Total Teaching Hours – 10
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 03
Total Marks – 07
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the sizing process for the given textile and its importance.
- Describe the use of relevant ingredient for sizing the given textile.
- Compare properties of the relevant adhesives used in sizing process for the given textile.
- Select relevant starch to improve strength of the given textile with justification.
- Describe with sketches the relevant testing method for the given adhesives and softener.
- Formulate the relevant sizing recipe for the given textile.
Topics and Sub-topics
- Sizing: Process, Purpose.
- Ingredients: Types, functions
- Adhesives: Classification. Starches- Properties, testing
- Softeners: Types, properties, testing methods.
- Size paste formulation: Cotton, P/C, P/V blended yarn
Unit 2
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Unit 3
Desizing
Total Teaching Hours – 08
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 06
Total Marks – 10
Unit Outcomes (UOs) (in cognitive domain.
- Identify the size present on the given fabric.
- Explain with sketches the mechanism of desizing for the given fabric.
- Describe with sketches the relevant desizing method for the given sized fabric.
- Describe with sketches the relevant method to evaluate efficiency of desizing of the given fabric.
Topics and Sub-topics
- Size on grey fabric: Identification
- Desizing process: Purpose, Methods, Factors affecting process.
- Desizing machines: Batch wise and continuous.
- Desizing efficiency: Evaluation methods.
Unit 4
Scouring
Total Teaching Hours – 14
Distribution of Theory Marks
R Level – 02
U Level – 06
A Level – 08
Total Marks – 16
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the relevant scouring method to remove hydrophobic impurities from the given cotton fabric/ PET and its blends
- Describe with sketches the relevant pretreatment process for the given wool/silk.
- Describe with sketches the use of relevant machine for scouring of the given fabric.
- Describe the relevant method to evaluate efficiency of the given scouring process.
Topics and Sub-topics
- Scouring: Importance, Mechanism and Reactions
- Methods: Alkaline scouring, solvent scouring, bio-scouring.
- Scouring process: cotton, polyester (PET) and their blends, knit goods.
- Scouring machine: Batch-wise, semi continuous and continuous
- Wool: Scouring, Crabbing, carbonization, and milling.
- Degumming of silk: Purpose, Methods – Soap, alkali, and enzyme.
- Evaluation of scouring process efficiency.
Unit 5
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Unit 6
Mercerization
Total Teaching Hours – 10
Distribution of Theory Marks
R Level – 04
U Level – 04
A Level – 06
Total Marks – 14
Unit Outcomes (UOs) (in cognitive domain)
- Explain the effects of mercerization on properties of the given type of fabric.
- Explain the structural changes in cellulose during mercerization of the given cotton.
- Describe the relevant factors affecting mercerization process of the given cotton.
- Select relevant machine for mercerization of the given textile with justification.
- Describe the relevant method to evaluate efficiency of mercerization of the given fabric.
Topics and Sub-topics
- Mercerization: Importance, changes occurred in fibre.
- Causticization: Purpose, process.
- Factors affecting the mercerization process.
- Machines: Yarn mercerization, pad-chain, padless-chainless, hot mercerization, liquid ammonia mercerization.
- Efficiency: Evaluation by different methods.
Note: To attain the COs and competency, above listed UOs need to he undertaken to achieve the Application Level’ of Bloom’s Cognitive Domain Taxonomy.
Note:
Legends: R=Remember, U=Understand, A = Apply and above (Blooms Revised taxonomy)
Note: This specification fable 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:
- Visit textile process house and collect recipes used for pretreatments in textile process house.
- Collect fabric samples at various stages in pretreatment and check their absorbency and whiteness.
- Collect information of various pretreatment auxiliaries used in textile process house.
- Visit textile process house and collect information of parameters used in mercerization for different sorts of fabric.
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:
- Strength of chemicals: Collect chemicals used in textile preparatory processes and determine their strength. Present the results.
- Auxiliaries: Collect auxiliaries used in preparatory processes and prepare presentation including commercial/ industrial names.
- Role of oxidizing and reducing agent in wet processing: Visit textile industry, collect information and photographs. Prepare presentation incorporating different oxidizing, reducing agents used in preparatory processes.
- Collection of sized samples: Visit textile industry, collect sized samples of different GSM, count and construction. Prepare presentation.
- Collection of pretreated samples: Collect pretreated samples at various stages for any four qualities of fabric, prepare presentation incorporating description of the collected samples.
- Comparison: Compare the absorbency of cotton sample collected from textile industry, scoured by different methods for any four qualities of fabric. Prepare presentation.
- Performance Study: Study, relation between various bleaching parameters on the whiteness and strength of any four qualities of fabric. Present the results.
- Performance Study: Study relation between various mercerizing parameters on the absorbency, dyeability, Lustre and strength on different varieties. Present the results.
Suggested Learning Resources:
- Textile Preparation and Dyeing Choudhary, A. K. R. Science Publishers, Enfield,NH, USA. 2006, ISBN: 9781578084043
- Textile Sizing Goswami. B. C. Anandjiwala, R. D.; Hall, D.: CRC Press. 2004, ISBN: 9780203913543
- Chemical Processing of Polyester/ Cellulosic Blends Mittal, R.M.; Trivedi. S. S. ATIRA, Ahmedabad, 1983
- Chemical Processing of Synthetic Fibres and Blends Datye. K. V.; Vaidya, A. A. Wiley-Blackwell, New York, 1984, ISBN: 9780471876540
- Technology of Bleaching and Mercerizing Shenai, V. A. Sevak Publication, Mumbai, 2003
- Chemical Technology in the Pretreatment Processes of Textile Karmakar. S. R. Elsevier Science Publication, Netherlands, 1999, ISBN: 9780444500601
- Textile Finishing Haywood, D. Bradford, Eng. : Society of Dyers and Colourists, 2003, ISBN: 9780901956811
- Textile Dyeing Hauser. P InTech, Chapters published December 14,201 1 under CC BY
- 0. license ISBN: 9789533075655
- Technology of Textiles- Spinning and Weaving, Dyeing, Drying, Printing and Bleaching EIR1 Board Engineers India Research Institute, ISBN: 9788186732489
- The Complete 1 echnology Book on Textile Processing With Effluents Treatment NI1R Board NIIR Board, 2004 ISBN: 8178330504
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 Technology, I – scheme do visit Textile Technology 3rd Sem Syllabus for I – scheme.
For all Textile Technology results, visit MSBTE Textile Technology all semester results direct links.