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Textile Coloration Certificate (TCC) T4, T5 and T6.

Textile Coloration Certificate (TCC) T4, T5 and T6.

The Textile Coloration Certificate comprises a total of 6 modules (or on-line lessons) which are delivered in the classroom on a rolling programme over 2 years. TCC 2018 is comprised of:

T4: Coloration Processes II
T5: Colour Physics
T6: Dyeing Theory

Each of these is broken down into a series of shorter topics with individual learning objectives and consolidatory questions. Reflective practice is also required at certain points during the learning process.

Course Covers:

Unique course designed to meet the needs of the dyeing and textile industry
Fundamental textile coloration principles and processes
Online lectures allow learners to interact with the tutor and fellow learners
Day residential sessions develop practical skills and support learning

Course Content

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T4: Coloration Processes II 17 Topics

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Lesson Content

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1.1 The Biochemistry of Wool

1.2 Protein Structure ‘v’ Dyeing Wool: The Effect of pH.

1.3 Wool Dyeing: Acid Dyes.

1.4 Wool Dyeing: Mordant (Chrome) Dyeing and its Environmental Implications.

2.1 The Chemistry of Premetallised Dyes.

2.2 Reactive Dyes for Protein Fibres

2.3 Alkaline After Treatments for Protein Fibres Dyed with Reactive Dyes and Modifications for Shrink Resist Wool.

3.1 The Chemistry of Polyamides.

3.2 Anionic (Acid) Dyes for Polyamides, Including the Barre Nylon Phenomenon and After-Treatments

3.3 Overdyeing Polyamides

3.4 Reactive Dyes for Polyamides

3.5 The Chemistry of Acrylics

3.6 Cationic (Basic) Dyes for Acrylics

4.1 The Chemistry of Polyester and the Dyeing Process

4.2 Dyeing Wool / Polyamide Blends

4.3 Dyeing Wool / Polyester Blends

4.4 Dyeing Wool / Acrylic Blends

T5: Colour Physics 17 Topics

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1.1 Viewing Geometry and the Electromagnetic Spectrum.

1.2 Light Sources and Emission.

2.1 The Physics of Reflection.

2.2 Spectral Reflectance Curves

2.3 The Physiology of Colour Vision.

2.4 Colour Mixing

3.1 Introduction to Metamerism and Colour Constancy.

3.2 The Importance of Metamerism and Colour Constancy in the Textile Industry.

3.3 Identification of Metameric and Colour Constant Samples.

3.4 Fluorescent Whitening Agents in Textiles.

4.1 Key Terms used in Colour Communication

4.2 Visual Assessment of Colour.

4.3 The Munsell and CIEL*a*b* Colour Spaces.

4.4 Shade Sorting

5.1 The Aim of Dye Prediction and an Introduction to the Calculations Involved.

5.2 Setting up a Dye Prediction System and Testing the Database.

5.3 Commercial Dye Recipe Prediction Systems.

T6: Dyeing Theory 13 Topics

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Lesson Content

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1.1 An Introduction to Diffusion, Adsorption and Aggregation.

1.2 An Introduction to the Factors Affecting Adsorption.

1.3 Dye / Fibre Interactions: The Effect on Adsorption: Revision of Chemical Bond Formation.

1.4 Dye / Fibre Interactions and pH: The Effect on Adsorption When Dyeing Cotton and Wool.

1.5 Dye/ Fibre Interactions and pH: The Effect on Adsorption When Dyeing PET.

2.1 Substrate Surface: The Effect on Adsorption.

2.2 Temperature: The Effect on Adsorption.

2.3 Concentration: The Effect on Adsorption.

2.4 Crystallinity and Auxiliaries: The Effect on Adsorption.

3.1 The Factors Affecting Diffusion.

3.2 The Basics of Fick’s Laws and the Diffusion Coefficient.

3.3 Diffusion and Liquor Movement.

3.4 Assessment of Diffusion into Substrate.