FIBRE STRUCTURES OF SPLIT MULTICOMPONENT FIBRES

摘要

A process for the production of fibre structures which comprises treating shrinkable substantially unfixed multicomponent fibres having at least two incompatible components arranged in the form of a matrix and several segments in the fibre cross-section, the segments occupying from 20 to 80% of the total cross-section and at least three-segments being peripherally arranged without complete envelopment by the matrix components, with a liquid or gaseous organic shrinkage-initiating agent effective to shrink said polyester, which reduces the zero shrinkage temperature of the matrix polymer or of the segment polymer by at least 160.degree.C. and in which the polymer components forming the fibres show different shrinkage behaviour is disclosed; the process of the invention provides fibre structures in which the splitting produces a soft texture and ?l, similar to silk, additionally the structures provide good wearing comfort is that they have a high water retention capacity.