Lesson 1Acrylic: warmth, lightweight insulation, pilling tendenciesThis section looks at acrylic as man-made wool stand-in, noting light weight, warmth, and bulk. It covers build, colouring, spinning ways, and deals with balling, static, and care to keep cloth nice.
Polymer composition and fiber morphologyBulk, warmth retention, and low densitySpinning types, crimp, and fabric aestheticsPilling, static, and abrasion performanceCare methods and common acrylic applicationsLesson 2Silk: filament properties, sheen, strength, moisture behaviorThis part studies silk as long-strand protein fibre. It covers silk farming, pulling threads, cleaning, linking build to shine, power, and flow. Also moisture ways, colouring, ageing, and care for shine.
Silkworm lifecycle and cocoon productionReeling, throwing, and silk yarn formationDegumming, luster, and characteristic sheenStrength, elongation, and drape behaviorMoisture, dyeing, and careful maintenanceLesson 3Polyester: filament vs. staple, moisture management, durability, hydrophobic natureThis section checks polyester as handy man-made fibre, comparing long-strand and short forms. It notes water-repel, moisture tech, strength, size hold, and uses in clothes, tech, and home cloths.
Polymer structure and manufacturing routesFilament versus staple fiber characteristicsHydrophobicity and moisture management finishesMechanical strength and dimensional stabilityApplications, recycling, and microplastic issuesLesson 4Modal and Lyocell: production differences, wet strength, sustainability traitsThis part compares modal and lyocell as better renewed plant fibres. It details making diffs, build, wet power, then checks comfort, fraying, green claims like solvent reuse and tree certs.
Modal production, structure, and key propertiesLyocell solvent-spun process and fiber traitsWet strength, shrinkage, and laundering effectsComfort, fibrillation, and surface appearanceSustainability, LCA, and forestry standardsLesson 5Viscose/Rayon: production basics, hand and drape, dimensional stabilityThis section covers viscose and basic rayon making from plant stuff, with dissolving, spinning, renewing. It explains feel, flow, soak-up, dye take, plus size hold, shrink, and care in cloths.
Cellulosic raw materials and pulp preparationViscose process steps and fiber formationHand, drape, absorbency, and comfort profileDimensional stability, shrinkage, and creasingCare, ironing, and common fabric applicationsLesson 6Cotton: cultivation types, long/short staple differences, comfort and careThis part looks at cotton growth, from farm ways to length types. It ties shape to yarn power, feel, comfort, and checks colouring, finishing, care for strength and looks hold.
Conventional, organic, and BCI cotton systemsFiber morphology, maturity, and finenessStaple length, yarn quality, and fabric handleMoisture comfort, breathability, and skin feelDyeing, finishing, and laundering behaviorLesson 7Nylon: strength, elasticity, abrasion resistance, common uses in blendsThis section studies nylon as strong, stretchy man-made fibre. It explains chem build, melt spin, stretch, tying to wear hold, bounce, moisture, focus on stockings, sportswear, mixes.
Polyamide chemistry and melt spinning processOrientation, crystallinity, and fiber propertiesElasticity, resilience, and abrasion resistanceMoisture behavior, comfort, and static issuesUses in hosiery, activewear, and technical blendsLesson 8Wool: protein fiber properties, thermal insulation, felting, careThis part explores wool as protein fibre, focus on curl, scales, heat hold. Covers matting ways, colouring, finishing, care needs like shrink stop, balling, heat or bug harm.
Keratin structure, crimp, and fiber morphologyThermal insulation, moisture buffering, comfortFelting behavior and shrink-resist treatmentsDyeing, finishing, and handle modificationCare labeling, laundering, and storage issuesLesson 9Eco-focused options: organic cotton, recycled polyester, bamboo viscose — pros, cons, certificationsThis section compares green fibres like organic cotton, reused polyester, bamboo viscose. Checks earth effects, work trade-offs, making paths, key certs for good sourcing and clear tags.
Organic cotton standards and agronomic impactsRecycled polyester sources and processing routesBamboo viscose production and greenwashing risksLife-cycle impacts and performance comparisonsCertifications: GOTS, GRS, OEKO-TEX, FSCLesson 10Linen (Flax): moisture handling, stiffness, wrinkle behavior, finishing effectsThis part checks flax shape, moisture hold, stiff feel, crease ways. Reviews spinning, weaving, finishes, how they change comfort, shine, easy-care in linen cloths.
Flax plant, fiber extraction, and structureMoisture regain, wicking, and drying rateStiffness, crease formation, and wrinkle recoverySpinning, weaving, and typical fabric constructionsChemical and mechanical finishes for linen