Abstract
The work deals with the study of the thermal resistance characteristics of nonwoven structures for the cold weather clothing. The low melting point polyester fibres were mixed with the hollow polyester fibres for producing thermal bonded waddings using a compression moulding machine. Three-factor Box and Behnken design was used varying the factors namely areal density, thickness and fibre denier. Samples were tested for the thermal resistance using guarded hot plate apparatus and analysed using Design Expert statistical software package. Layered thermal bonded waddings with different combinations were also tested for thermal resistance under forced and free convection modes.
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