Process Control in Wet Processing 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 5th Sem I – Scheme MSBTE, do visit Diploma in Textile Technology (TC) Syllabus for 5th Sem I – Scheme MSBTE Subjects. The detailed Syllabus for process control in 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:
- Ensure the quality process control in wet processing.
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:
- Select relevant process control parameters for mechanical pretreatment.
- Select relevant process control parameters for chemical.
- Select relevant dyeing process control parameters on machines.
- Select relevant printing process control parameters on machines.
- Select relevant finishing process control parameters on machines.
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
- Open bath beaker dyeing machine (250 ml.
- Water bath (30 Liter) with 6/12 dye pots of 500 ml each
- High Temperature High Pressure Beaker dyeing machine- 130 C, Maximum working pressure: 2 kg/sq. cm, Electrical load: 4 Kw
- Volumetric flask, measuring cylinder, pipette, weighing balance, beakers, thermometer (0-360C).
- Drying ovens- Temperature 0 to 120 C
- Two bowl horizontal padding mangle – 12 inches width, with adjustable nip pressure.
- Relative dyes, chemicals and auxiliaries
- Curing & Setting Chamber (Stenter), Working width: 450mm Max. Temperature -200*JC
- Electronic balance with 0 001 gm accuracy, capacity 300 gm.
- Laboratory steamer. Maximum temperature: 130 C, Maximum working pressure: 4 kg/sq cm, Electrical load: 4 Kw
- Inspection table- 150 cm length, 100 cm width
- Printing screen of variable sizes and screen printing kit
Unit 1
Process and quality control in mechanical pretreatment
Total Teaching Hours – 05
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 04
Total Marks – 08
Unit Outcomes (UOs) (in cognitive domain.
- Describe the importance of process and quality control in wet processing of the given fabric.
- Describe with flowchart the procedure to evaluate the effect of controlled and un-controlled processing parameters on singeing of the given fabric.
- Describe with flowchart the procedure to use 4 point system to decide the acceptability of the given finished fabric.
- Explain the importance of process control in grey inspection of the given fabric with justification.
- Describe process control parameters for the given mechanical pre-treatment.
Topics and Sub-topics
- Process and quality control-Concept, necessity, process control parameters, methods, Importance of quality assurance, technocommercial aspects of processes.
- Quality assurance department- Structure and functions
- Effect of controlled and uncontrolled processing parameters on singeing
- Grey inspectionimportance in subsequent process control, 4 point system
- Process control parameters for mechanical pretreatment -shearing and cropping, brushing, sueding and gas singeing.
Unit 2
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Unit 3
Process Control in Dyeing
Total Teaching Hours – 15
Distribution of Theory Marks
R Level – 04
U Level – 06
A Level – 10
Total Marks – 20
Unit Outcomes (UOs) (in cognitive domain.
- Explain the parameters affecting the dyeing quality of given dyes on the relevant dyeing machine for the given fabric with justification.
- Describe with flowchart the procedure to evaluate the effect of specified process control parameters on the exhaustion of dyes on the given fabric.
- Describe with flowchart the procedure to assess depth of dyeing of given dyes on the given fabric.
- Describe with flowchart the procedure to compare the effect of specified process control parameters on dyeing of the given polyester fabric with disperse dyes.
- Suggest the rectification for the stated dyeing defects in the given fabric with relevant process control parameters / solutions.
Topics and Sub-topics
- Process control parameters-for jiggers, jet dyeing m/c, package dyeing m/c, soft flow dyeing m/c, continuous dyeing range, padding mangles and continuous dyeing range.
- Importance of Lab to bulk recipe formulation, examples
- Right First Time dyeing-Measures to achieve, importance, examples.
- Effect of various process control parameters on the quality, dyeability and fastness properties of various dyes.
- Problem and remedies in dyeing.
Unit 4
Process Control in Printing
Total Teaching Hours – 12
Distribution of Theory Marks
R Level – 04
U Level – 06
A Level – 08
Total Marks – 18
Unit Outcomes (UOs) (in cognitive domain.
- Explain the parameters affecting the printing quality of given dyes on the relevant printing machine for the given fabric with justification.
- Explain the relation between lab and bulk recipe formulation in printing of the given fabric with justification.
- Describe with flowchart the process to compare the effect of viscosity of print paste on fixation and fastness of dyes on the given cotton fabric.
- Explain the importance of process control parameters of ager and washer to get desired quality of the given printed fabric.
- Explain the parameters affecting the printing quality of given pigments on the relevant printing machine and stenter for the given fabric with justification
- Suggest the rectification for the stated printing defects in the given fabric with relevant solutions.
Topics and Sub-topics
- Process control parameters-for flat bed screen printing m/c, rotary screen printing m/c
- Process control parameters-for ager m/c, washer m/c
- Importance of Lab to bulk recipe formulation in printing.
- Effect of process control parameters- on the quality, printability and fastness properties of various dyes.
- Problem and remedies in printing.
Unit 5
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Suggested Student Activities:
Other than the classroom and laboratory learning, following are the suggested student-related co-curricnlar 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 process house nearby your institute and with the help of processing in charge, collect information about various process control parameters of different machines available.
- Visit process houses nearby your institute and compare the existing process conditions for a given process on a specified machine.
- Collect information on safety precautions related to various chemicals and machinery used in process house.
- Survey on internet and prepare chart of various machines available in the market along with their technical features/ specifications.
- Survey the library/ internet and collect information about the recent developments in textile processing machineries and technologies.
- Prepare computer based presentation explaining processing conditions of various fabrics on different machines.
- Visit process houses nearby your institute and collect information about faults occurred in processing due to process control parameters and relevant remedies adopted.
Suggested Special Instructional Strategies:
These are sample strategies, which the teacher can use to accelerate the attainment of the various outcomes in this course:
- Massive open online courses (MOOCs) may be used to teach various topics/sub topics.
- in item No. 4 does not mean only the traditional lecture method, but different types of teaching methods and media that are to be employed to develop the outcomes.
- About 15-20% of the topics/sub-topics which is relatively simpler or descriptive in nature is to be given to the students for self-directed learning and assess the development of the COs through classroom presentations (see implementation guideline for details).
- With respect to item No. 10, teachers need to ensure to create opportunities and provisions for co-curricular activities.
- Guide students in undertaking micro-projects.
- Demonstrate students thoroughly before they start doing the practice.
- Encourage students to refer different websites to have deeper understanding of the subject.
- Observe continuously and monitor the performance of students in Lab.
Suggested Micro-Projects
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Suggested Learning Resources:
- Textile processing & properties Vigo, T. L. Elsevier Science B.V. Amsterdam, 1994 ISBN: 9780444882240
- Dyeing and Chemical Technology of Textile Fibres Trotman, E. R. John Wiley & Sons Inc., New Delhi, 1985, ISBN: 9780471809104
- Handbook of Textile and Industrial Dyeing Clarke, M. Woodhead Publishing, UK, 2011 ISBN: 9781845696962
- Chemical processing of synthetic and its blends Datya, K.V; Vaidya, A.A A Wiley Inter Science Publication, New York, 1984 ISBN-9780471876540
- Dyeing and Chemical Technology of Textile Fibres Trotman, E. R. John Wiley & Sons Inc., New Delhi, 1985, ISBN: 9780471809104
- Dyeing and Screen Printing on Textiles Joanna Kinnersly Taylor A & C Black Publishers Ltd., London, UK. 1 Jan 2012 ISBN: 9781408124758
- Textile Printing Miles, L.W.C. Society of Dyers and Colourists, UK, 1981, ISBN: 9780901956330
- Textile Spinning, Weaving, Finishing and Printing NIIR Board Of consultants and Engineers Asia Pacific Business Press Inc. Delhi, 2016, ISBN: 9788178331638
- Chemical after treatments of textiles Marks, Atlas; Wooding A Wiley inter science publication, New York, 1971 ISBN-9781563675164
- Chemical finishing of textile Schindler, W. D.; Hauser, P. J. Wood Head Publishing, New Delhi, 2004, ISBN- 185573 9054
- Textile Finishing Derek Fleywood SDC Publications, Hampshire, UK, 2003 ISBN-9780901950811
Learning Websites
- www.study.com/academy/lesson/what-is-dyeing-in-textiles.html
- www.fibre2fashion.com/industry-article/3 87 l/dyeing?page=l
- www.dyes-pigments.standardcon.com/batch-dyeing-process.html
- www.dyes-pigments.standardcon.com/continuous-dyeing-process.htmlwww.en.wikipedia.org/wiki/Dyeing
- www.utsavfashion.com/saree/brasso-work
- textilefashionstudy.com/what-is-pigment-printing
- textileapex, blogspot, in/2014/03/pigment-printing-advantages-disadvantages.html?m=l
- nptel.ac.in/courses/116102010/36
- textilelearner.blogspot.in/2012/03/what-is-heat-setting-working-process-of.html
- textileleamer.blogspot.in/201 l/03/description-of-textile-finishing_l 796.html
- indiantextilejoumal.com/articles/FAdetaiIs.asp?id=3729
- www.textileglossary.com/terms/soil-release.html
- textilelearner.blogspot.in/2013/03/soil-release-fmish-mechanism-of-soil.html
- www.suitestyles.com/what-is-soil-release-fmisli/
For detail Syllabus of all other subjects of Textile Technology, I – scheme do visit Textile Technology 5th Sem Syllabus for I – scheme.
For all Textile Technology results, visit MSBTE Textile Technology all semester results direct links.