Abstract
AbstractThe effect of heat treatment in the presence and absence of a nonionic surfactant (Triton X‐100) on selected properties of polyester fabric was studied over the temperature range 180–220°C. Although significant heat‐induced area shrinkage was evident (4.9–9.5%) in the treated polyester fabrics, stiffness, wrinkle recovery, tensile properties, moisture regain, and density of the fabrics showed only slight changes. The moisture‐related properties of surfactant/heat‐treated polyester were greatly improved compared to untreated control polyester or polyester subjected to heat treatment alone. Oligomer formation on the surface of surfactant‐treated polyester was altered as a result of the presence of surfactant on heating compared to polyester heated alone at 180–220°C. Polyester heat treated in the presence and absence of surfactant showed increased dye uptake and more depth of color with 1,4‐substituted anthraquinone dyes than untreated polyester, and these effects increased with increasing treatment temperature.
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