Polypropylene fibres
AssigneeATOFINA Research S.A.
InventorAxel Demain
Life of this patent
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Abstract
A polypropylene blend including from 0.5 to 50% by weight of a syndiotactic polypropylene having a multimodal molecular weight distribution and at least 50% by weight of an isotactic polypropylene.
Claims22
A polypropylene blend including from 0.3 to 50% by weight of a syndiotactic polypropylene having a multimodal molecular weight distribution and at least 50% by weight of an isotactic polypropylene.
A process for producing polypropylene fibers at an enhance spinning speed when producing spun polypropylene fibres fibers by spinning a polypropylene blend, of from 0.3 to 50 wt % multimodal syndiotactic polypropylene in a blend with at least 50 wt % of an isotactic polypropylene.
Dependencies are inferred from the claim text.