Patent · US Expired

Gloss-stable modacrylic fibres

US4126603A · kind A · utility

3Cited by

5References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Günter Lorenz · Friedrichsdorf, DE
Alfred Nogaj · Dormagen, DE
Helmut Miller · Niederrohrdorf, CH
Hans Wilsing · Dormagen, DE

Key dates

Filing date	Dec 21, 1976
Grant date	Nov 21, 1978
Priority date	—
Expiry date	Dec 21, 1996

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01F6/40
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to gloss-stable modacrylic fibres and filaments comprising 50 to 84% of acrylonitrile, 15 to 48% of vinylidene chloride and 2 to 5% of an olefinically unsaturated sulphonic acid or salt thereof, all percentages being by weight, having a shrinkage in boiling water of at most 0.3%, a reduction in density on treatment with boiling water of no more than 0.015 g/cc and a scattered light component after boiling of at most 35 units compared with a BaSO.sub.4 standard of 1000 units, the increase brought about by treatment with boiling water amounting to no more than 30 units as well as to a process for their production.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.