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Enhancement of materials

Official AQA section 3.1.5.

Objectives

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90 min

Study time

AqaA LevelDesign And Technology Fashion And TextilesTechnical principles

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6 objective pages available

Enhancement of materials6 objectives

Surface decoration – dyeing.
Students should be aware of, and be able to describe, dyeing as a surface decoration, including: • vat, discharge and resist, eg tie-dye, batik • when dye is applied in relation to fibres, yarns, fabrics and finished products • the different types of dye fastness required in fashion clothing and textile products, eg fastness to washing, light, perspiration, rubbing and chlorine • dyeing in response to consumer demand and seasonal trends. Understand the principles behind discharge and resist dyeing. Understand the degradation of fabrics in relation to colour fastness. Surface decoration – printing.
Students should be aware of, and be able to describe, the steps that need to be taken in preparing a fabric for printing, including: • desizing • scouring • bleaching.
Students should be aware of, and be able to describe, printing as a surface decoration, including: • direct • discharge • hand (block and stencil) • rotary/flat bed screen printing • transfer • digital printing • dye sublimation. Embroidery.
Students should be aware of, and be able to describe, a range of hand and machine embroidery stitches. 24 Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration Quilting.
Students should be aware of, and be able to describe, the construction of quilted fabrics and reasons for their use. Understand the effects of trapped air on thermal insulation.

Natural DyesSynthetic DyesDye fastnessBatikDesizingScouringTransfer printingFlat bed screen printingEmbroideryQuiltingThermal Insulation

Use specific examples: When discussing dyeing techniques, always include specific examples of fabrics and methods.
Understand dyeing processes: Make sure to clearly explain the steps involved in various dyeing techniques and their applications in fashion.

Confusing dyeing methods: Understand that dyeing involves penetrating the fabric with color, while printing applies color to the surface.
Confusing dyeing techniques: Focus on the specific processes and outcomes of each technique to differentiate them clearly.

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