tekstilfysik
What chlorine does to a fibre
Short answer: Chlorine is a strong oxidising agent that breaks the long molecular chains in the fibre. The fabric fir...
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Why clothes fade by a window
Short answer: A window blocks some ultraviolet light, but not all of it, and over weeks that is enough to bleach fabr...
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What sunlight does to colour
Short answer: Ultraviolet light breaks the chemical bonds in the dye, and the molecule loses its ability to absorb li...
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Why colour transfers the first few times
Short answer: After dyeing there is always some surplus dye sitting loosely on the surface of the fibre. It rinses ou...
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How dye binds to a fibre
Short answer: Dye either bonds chemically to the molecules of the fibre or lodges physically in the pores of the fibr...
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Where friction is greatest on a garment
Short answer: Friction is greatest where two surfaces are pressed together and move, which means under the arms, at t...
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Why friction makes bobbles
Short answer: Friction lifts fibre ends from the fabric surface, and repeated rubbing rolls them together. Without fr...
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What pilling is in physical terms
Short answer: Pilling is loose fibre ends rolled into small balls that stay attached to the fabric. The ball holds on...
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How moisture removes static electricity
Short answer: Water molecules settle on the fibre surface and form a film that conducts weakly. The charge drains awa...
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Static electricity in winter
Short answer: In winter, indoor air is dry because cold air holds little water and is heated without adding any moist...
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Why clothes give static shocks
Short answer: When two materials rub against each other, electrons move from one to the other and a voltage builds up...
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