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False Twist Texturization of Polypropylene Multifilament Yarns

Part III: Reducing Feeder Yarn Crystallinity Through Melt Blending with Small Amounts of Polyester and Polystyrene

Department of Textile Technology, Indian Institute of Technology, Delhi, New Delhi 110016, India

K. Sen

Department of Textile Technology, Indian Institute of Technology, Delhi, New Delhi 110016, India

A. Mukhopadhyay

Department of Textile Technology, Indian Institute of Technology, Delhi, New Delhi 110016, India

Incorporating small amounts of polyester and polystyrene into polypropylene by melt blending prior to spinning reduces crystallinity considerably. An amount as low as 5% polystyrene reduces crystallinity from 70% for the parent fiber to 34% for the blend. A reduction in feeder yam crystallinity results in a greatly improved performance in texturizability of the fiber.

Textile Research Journal, Vol. 56, No. 7, 425-428 (1986)
DOI: 10.1177/004051758605600705


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