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자료유형
학술저널
저자정보
Teli M. D. (University of Mumbai, Institute of Chemical Technology) Adivarekar R. V. (University of Mumbai, Institute of Chemical Technology) Ramani V.Y. (University of Mumbai, Institute of Chemical Technology) Sabale A.G. (University of Mumbai, Institute of Chemical Technology)
저널정보
한국섬유공학회 Fibers and Polymers Fibers and polymers 제5권 제4호
발행연도
2004.1
수록면
264 - 269 (6page)

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The present paper deals with improvement in disperse dyeablility as well as imparting of cationic dyeablility to difficultly dyeable polypropylene by a melt blending technique. Isotactic polypropylene (PP) was blended with fibre grade polybutylene terephthalate (PBT), cationic dyeable polyethylene terephthalate (CDPET) and polystyrene (PS), individually. The resulting binary blends were spun and drawn into fibres at draw ratio 2, 2.5, and 3. The compatibility of blends, structural changes of fibres in terms of X-ray crystallinity, relative crystallinity, sonic modulus, birefringence and thermal stability were examined. The blended fibres were found to be disperse dyeable by the conventional method of high temperature and high pressure dyeing. And this dye ability increased with increase in the level of substitution. PP/CDPET blend also exhibited dyeablility with cationic dyes in addition to that with disperse dyes. The optimum level of blending was predicted keeping in view of tenacity and thermal stability of melt blend fibres. The wash fastness properties of the dyed fibres were found to be of high rate.

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