Patent ID: 6214464
Filing Date: 2001-04-10
Classification: B60C,C08J,C08L,D01F,Y10T

Abstract:
A regenerated cellulose fibre comprising at least one filament, characterized in that it has the following properties:a) the degree of substitution of the cellulose by formate groups, denoted by DS.sub.f and expressed in %, complies with the following relationship: 0<DS.sub.f <5;b) the filament has a morphology in cross-section which is practically continuous from the periphery up to the core;c) the filament does not fibrillate, or practically does not; andd) the fibre has an initial modulus at least equal to 500 cN/tex, an elongation at break at least equal to 5% and a tenacity at least equal to 15 cN/tex.