Monofils and bristles of homopolymers or copolymers of...

Details Monofils and bristles of homopolymers or copolymers of... Monofils and bristles of homopolymers or copolymers of...

D - Textiles, Paper

01

F

18/604

D01F 6/18 (2006.01) A46D 1/00 (2006.01)

Patent

CA 1246821

Abstract of the disclosure: Monofils and bristles which comprise at least 90% by weight of acrylonitrile units and have a linear density of more than 2.5 tex possess a relative solution viscosity of 1.7 to 6.0, a tear strength of at least 20 cN/tex and an initial modulus of more than 700 cN/tex. The manufacturing process is distinguished by a wet stretch of the spun filaments by at least 1:4, drying under tension and a subsequent hot stretch of at least 1:2, the overall stretch being at least 1:8, preferably 1:10 to 1:20. The monofils and bristles according to the inven- tion are suitable in particular for producing filament- reinforced composite materials.

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