Garne oder Fasern und Verfahren zu ihrer Herstellung

摘要

Polypivalolactone yarn or filament having a tenacity of at least 7 g/den. and an elongation of not more than 20%. Polypivalolactone used has an intrinsic viscosity of at least 7 g/den. and an elongation of not more than 20%. Polypivalolactone used has an intrinsic viscosity of at least 0.75 (pref. 2-4), measured in trifluoroacetic acid/25 deg.C. In the reinforcement of elastomeric structures and in ropes, hawsers and cordage.