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Textile Physics-1

Thermal Properties of Polymers | Melting Point and Glass Transition Temperature

Thermal Properties of Polymers In the amorphous region of the polymer, at lower temperature, the molecules of the polymer are in, say, frozen state, where the molecules can vibrate slightly but are not able to move significantly. This state is referred as the glassy state. In this state, the polymer is brittle, hard and rigid […]

Colour Fastness of Textiles | Color Fastness To Washing

Thermal Properties of Polymers

Thermal Properties of Polymers :  Thermal property: The property which is shown by a textile fiber when it is subjected to heating is called thermal property. Thermal property is included:  Thermal conductivity Melting transition temperature Glass transition temperature Heat setting Thermal expansion Heat of wetting or heat absorption Flammability Thermal conductivity: Thermal conductivity is the […]

Colour Fastness of Textiles | Color Fastness To Washing

Frictional Properties

Frictional Properties Friction is a vital important factor in the application of fibrous materials to engineering. Frictional property is the surface property of the fibers when two solid surfaces slide against each other. Due to fiber friction, static charge and heat energy is produced. Friction: Friction is the force of two surfaces in contact, or […]

Colour Fastness of Textiles | Color Fastness To Washing

Torsional Properties of Textile Materials

Torsional Properties of Textile Materials Torsional Property: Fibers are twisted to form yarns, while are made into textile fabrics or ropes. The torsional properties determine how fibers respond while being twisted. Torsional Rigidity: The torsional rigidity is the resistance of a fiber to twisting. In the Hookean region of small stains, the torsional rigidity defined […]

Colour Fastness of Textiles | Color Fastness To Washing

Flexural Properties of Textile Materials

Flexural Properties of Textile Materials The behavior which shows by textile material during bending is called flexural (bending) property. The importance of Flexural properties is required when we wear cloth. Significance of Bending and Twisting: ❶  The bending and twisting of fibers influence the behavior of bulked yarn and the drape and handle of fabrics. […]

Colour Fastness of Textiles | Color Fastness To Washing

Optical Properties of Textile Fibers

Part 1: Optical Properties of Textile Fibers Part 2: Birefringence | Fiber Birefringence Part 3: Reflection and Luster Optical Properties of Textile Fibers Optical Properties When light falls on a fiber, it may be partly transmitted, absorbed or reflected, depending on the structure of the light. The transmission, reflection and absorption of light determine the […]

Colour Fastness of Textiles | Color Fastness To Washing