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CHM304Sciences2 Unitsintermediate

Colour Chemistry And Technology

This course provides a comprehensive introduction to Colour Chemistry and Technology, an emerging field of Industrial Chemistry. It explores the nature of colours, dyes, and pigments, their properties, and applications. The course also covers the production of fibres and related polymers from natural and synthetic sources, dyeing mechanisms, and the economic importance of chemical materials. It aims to equip students with a basic understanding of chemical materials and the emerging trends in colour chemistry.

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208h

Study Time

13

Weeks

16h

Per Week

basic

Math Level

Course Keywords

Colour ChemistryDyesPigmentsFibersPolymers

Course Overview

Everything you need to know about this course

Course Difficulty

Intermediate Level

Builds on foundational knowledge

65%

intermediate

➕

Math Level

Basic Math

🔬

Learning Type

Hands-on Practice

Course Topics

Key areas covered in this course

1

Colour Theory

2

Pigments and Dyes

3

Fibers Classification

4

Natural Dyes and Dyeing

5

Synthetic Fibers and Dyes

6

Polymer Chemistry

7

Textile Dyeing Processes

8

Dyeing Machines

Total Topics8 topics

Ready to Start

No specific requirements needed

This course is designed to be accessible to all students. You can start immediately without any prior knowledge or specific preparation.

Assessment Methods

How your progress will be evaluated (3 methods)

assignments

Comprehensive evaluation of course material understanding

Written Assessment

tutor-marked assessments

Comprehensive evaluation of course material understanding

Written Assessment

final examination

Comprehensive evaluation of course material understanding

Written Assessment

Career Opportunities

Explore the career paths this course opens up for you

Textile Chemist

Apply your skills in this growing field

Dyeing Technician

Apply your skills in this growing field

Colour Technologist

Apply your skills in this growing field

Polymer Scientist

Apply your skills in this growing field

Quality Control Analyst

Apply your skills in this growing field

Industry Applications

Real-world sectors where you can apply your knowledge

Textile IndustryPaint and CoatingsPlastics ManufacturingCosmeticsPrinting and Packaging

Study Schedule Beta

A structured 13-week journey through the course content

Week

1

Module 1: Colour, Pigments and Dyes

2h

Unit 1: Colour and its Features

2 study hours

•Read the introduction to colour and its features.
•Understand the history of colour and its significance.
•Learn about electromagnetic waves and the visible spectrum.
•Study the properties of colour, including wavelength and frequency.
•Understand the concepts of reflection, scattering, absorption, transmission, and refraction.

Week

2

Module 1: Colour, Pigments and Dyes

2h

Unit 2: Types of Colours

2 study hours

•Identify the different types of colours: primary, secondary, and tertiary.
•Differentiate between additive and subtractive primary colours.
•Explore the use of colours in the home environment.
•Determine the appropriate colour for specific environments.

Week

3

Module 1: Colour, Pigments and Dyes

2h

Unit 3: Pigments

2 study hours

•Define pigments and understand their features.
•Identify the different types of pigments: inorganic, organic, and metallic.
•Differentiate between natural and synthetic organic pigments.
•Learn about natural pigments and their limitations.
•Understand the factors affecting the selection of pigments.

Week

4

Module 1: Colour, Pigments and Dyes

2h

Unit 4: Organic, Inorganic and Metallic Pigments

2 study hours

•Define organic, inorganic, and metallic pigments.
•Describe the categories and features of organic pigments.
•Understand natural and synthetic inorganic pigments.
•Differentiate between organic and inorganic pigments.
•Explore metallic pigments and their applications.

Week

5

Module 1: Colour, Pigments and Dyes

4h

Unit 5: The Linkages between Pigments and Dyes

2 study hours

•Define dyes and understand their features.
•Explain how the colour of dyes can be altered.
•Understand the role of auxochromes in dyes.
•Explore the relationship between dyeing and fabric.
•Learn about the conventional pigment dyeing system.
•Differentiate between dyes and pigments.

Unit 6: Application of Dyes and Pigments

2 study hours

•Understand the applications of dyes and pigments in various industries.
•Explore the industrial applications of dyes and pigments, including plastics, cement, ceramics, security printing, cosmetics, medicine, agriculture, paper, paint, and wire/cable industries.

Week

6

Module 2: Classification of Dyes and Fibres

2h

Unit 1: Classification of Dyes

2 study hours

•Classify dyes based on their chemical structure.
•Understand the industrial classification of dyes.
•Explore the classification of dyes based on the source of materials.
•Learn about the classification of dyes based on applications.
•Study the classification of dyes based on the International Trade Commission.

Week

7

Module 2: Classification of Dyes and Fibres

2h

Unit 2: Classification of Fibres

2 study hours

•Define fibres and understand their importance.
•Classify fibres into natural and human-made categories.
•Explore natural fibres, including vegetable, wood, animal, and mineral fibres.
•Differentiate between soft and hard fibres.
•Learn about human-made fibres, including cellulose-based and synthetic fibres.
•Understand the extraction of fibres through retting.

Week

8

Module 2: Classification of Dyes and Fibres

2h

Unit 3: Natural Dyes and Dyeing Processes

2 study hours

•Define natural dyes and mordants.
•Identify the types of natural dyes: plant, animal, and mineral.
•Explore the categories of natural dyes.
•Understand natural dyeing materials and mordants.
•Learn how to make natural dyes from plant sources.
•Study the natural dyeing process, including fibre and leather dyeing.
•Explore different dyeing patterns.

Week

9

Module 3: Synthetic Dyes and Fibres

2h

Unit 1: Synthetic Fibres

2 study hours

•Define synthetic fibres and synthetic dyes.
•Identify the kinds of synthetic fibres.
•Understand the properties and applications of synthetic fibres.
•Learn about the kinds of synthetic dyes.
•Explore dyes for man-made fibres.

Week

10

Module 3: Synthetic Dyes and Fibres

2h

Unit 2: Polymer Fibres

2 study hours

•Define polymer fibres.
•Identify the kinds of synthetic polymers.
•Explore polyethylene, polypropylene, and poly(vinyl chloride) (PVC).
•Understand the production and applications of polymers made from olefins.

Week

11

Module 3: Synthetic Dyes and Fibres

2h

Unit 3: Polyesters and Polyamide Fibres

2 study hours

•Define nylons and polyesters.
•Explore nylons and their properties.
•Understand polyesters and their applications.
•Learn about the chemical principles involved in the production of polyester and polyamide fibres.

Week

12

Module 3: Synthetic Dyes and Fibres

2h

Unit 4: Polyurethanes, Cellulose and Polyacrylonitrile

2 study hours

•Define polyurethanes, cellulose, and polyacrylonitrile.
•Explore polyurethanes and their applications, including spandex.
•Understand cellulose and its composition.
•Learn about polyacrylonitrile and its properties.
•Study the polymers and their applications.

Week

13

Module 3: Synthetic Dyes and Fibres

2h

Unit 5: Aramids, Poly (methyl methacrylate) and Polycarbonate

2 study hours

•Define aramids, poly(methyl methacrylate), and polycarbonate.
•Explore aramids, including Kevlar and Nomex.
•Understand poly(methyl methacrylate) (PMMA) and its properties.
•Learn about polycarbonate and its applications.

This study schedule is in beta and may not be accurate. Please use it as a guide and consult the course outline for the most accurate information.

Course PDF Material

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Study Tips & Exam Preparation

Expert tips to help you succeed in this course

1

Create concept maps linking Modules 1-3 key pigment, dye, and fiber classifications.

2

Practice differentiating natural vs. synthetic dye processes from Module 2 using content examples.

3

Review the chemical structures of polymers in Module 3, focusing on repeating units and functional groups.

4

Compare and contrast the mechanisms of batch, continuous, and semi-continuous dyeing from Module 4.

5

Focus on understanding the advantages and disadvantages of each dyeing machine type (Jet, Hank, Beam) for different fabrics.

6

Allocate specific study time for reviewing TMAs and self-assessment exercises from each unit.

7

Create flashcards for key terms and definitions related to color chemistry and dyeing technology.

8

Practice solving numerical problems related to dye concentrations and liquor ratios.

9

Form a study group to discuss challenging concepts and share exam preparation strategies.

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