Fabric Colouration (Practical)

Paper Code: 
25CFSD 402
Credits: 
4
Contact Hours: 
90.00
Max. Marks: 
100.00
Objective: 

This course will enable the students to -

1.     Facilitate the knowledge on dyeing and printing on different textile material.

2.     Explain comprehensive knowledge about the concept of various dyeing & printing methods. 

Course Outcomes: 

Courses

 Course outcomes

(at course level)

Learning and teaching strategies

Assessment Strategies

COURSE CODE

COURSE CODE

25CFSD 402

 

 

 

 

Fabric Colouration

(Practical)

 

 

 

 

 

CO.81 Develop and Experiment with different dyes for fabric colourations and processing.

CO.82 Design and Demonstrate skill for fabric printing.

CO.83 Compile comprehensive practical record and submission related various techniques in printing & dyeing and cultivate verbal communication skills to converse effectively with examiners.

CO.84 Contribute effectively course-specific interaction

Approach in teaching:

Demonstrations, Interactive Lectures, Discussion, Informative videos

 

Learning activities for the students: Self-learning assignments, Design sheet preparation and fabric samples

Assessment tasks will include Class Test, Semester end examinations, and Student presentations.

 

 

 

 

 

 

CONTENTS

●      Preparatory processes                                                                                 

o   Desizing, Scouring, Bleaching

 

(8 Hours)

●      Textile Dyeing                                                                                                  

o   Application of dyes on yarn and fabric, including calculation of dye and reagents quantities required for for a specific material quantity:

▪        Direct dyes

▪        Sulphur dyes

▪        Vat dyes

▪        Reactive dyes

▪        Acid

▪        Fabric dyeing using the Ombre dip dye techniques-

(20 Hours) 

●      Textile Printing                                                                                                                                                                                                      

o   Fabric printing on cotton fabric using the following techniques, followed by after treatment:

▪        Blocks with direct dyes: Khadi & Discharge Printing

▪        Screen with pigment colours

▪        Stencil with reactive dyes

 

o   Students to create design sketches for apparel product development and prepare layout of design sheets for the above-mentioned techniques. They must develop their own screens, blocks, and stencils in various colourways for product development. Additionally, students should document the entire process through a pictorial presentation. (approval of subject teacher)

(46 Hours)

·       Make the swatch book of different type of printed and resist dyed samples: block, screen, stencil, digital printing, tie & dye, bandhani ,lehariya and batik.

(04 Hours)

●      Application of starch using padding mangle                                    

(06 Hours)          

●      Industrial Visit                                                                                             

Students are required to prepare a report on a dyeing/printing/finishing industry. The report should include industry details, working processes and the different methods used for dyeing/ printing/ finishing.

(06 Hours)

           

 

Note: The developed product should be displayed accordingly in the department exhibition. Photographs during the exhibition should be documented in Portfolio.

 

 

Essential Readings: 

●      Prayag, R.S. (1989), Technology of Textile Printing, Dharwad Karnataka Shree J Printers.

●      Shenai, V.A. (1987), Chemistry of Dyes and Principles of Dyeing, Sevak Prakashan, Mumbai,.

●      Shenai, V.A. (1996), Technology of Printing, Technology of Textile Processing, Vol. IV, Sevak Publications. Bombay

●      Gohl & Vilensky (1980), Textile science, 2nd ed., CBS Publications, New Delhi.

●      Jain Hemlatha (2010), Techniques of dyeing and printing, Anne books Pvt. Ltd, New Delhi.

●      Sekhri Seema (2011), Text Book of Fabric Science fundamentals to Finishing, PHI Learning Pvt, Ltd, New Delhi.

References: 

Suggested Readings:

●      Chaudhary, A. K. Roy (2006), Textile Processing and dyeing, Scienec pulications, New Delhi.

●      Miles L.W.C.(1994), Textile Printing, 2nd edition, England, Society of Dyers and Colourists

E-Resources:

·       https://www.youtube.com/watch?v=C6ZmVeVWt4k

·       https://www.youtube.com/watch?v=g8_GvRoASV0

·       https://www.youtube.com/watch?v=I_8k1cLr1Vo

 

Examination Scheme

Continuous Assessment

Marks Distribution (Practical Record/ Submission)

Semester End Examination

Component

Marks

Component

Marks

Component

Marks

Portfolio & Submission

20

Preparatory Process

05

Submission, Portfolio & Report

30

Test

05

Dyeing & Printing

05

Dyeing

15

Attendance

05

Finishing

10

Printing

20

Viva – Voce

05

Total

30

Total

20

Total

70

 

Academic Year: