PURPOSE: To obtain the title cloth of flexibility and bulkiness, having excellent water resistance and air permeability by weaving with the weft of false-twisted yarns of specific ultrafine filaments and the warp of high-shrinkage copolyester filaments.
CONSTITUTION: Conjugate ultrafine filaments as wefts are prepared by bonding a plurality of high molecular-weight polymers having different dissolving speeds to one another, exposing a part of easier dissolving components on the filament surface making the harder soluble components less than 0.5 denier filament fineness, when separated, and false-twisting the dissolution-divided conjugate filament at about 2,500 to 3,500T/M at 180 to 190°C. The wefts are woven together with the warps of high-shrinkage copolyester filaments of more than 15% boiling water shrinkage to form a fabric of more than 1,500 cover factor. The fabric is treated with an alkali solution such as caustic soda to dissolving off the easier soluble components, then heat-treated at 70 to 140°C to effect more than 10% shrinkage in the warp direction whereby the subject cloth is obtained.
URUSHIDO AKIRA
NISHIDA TAKESHI
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