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Dynamit Nobel Aktiengesellschaft

Jurgen Fenske

Paul Spielau

Hans-Ulrich Breitscheidel

Werner Kuhnel

Richard Weiss

Gerd Klingberg

Karlo Klaar

Horst Ulb

Josef Weber

Gerhard M Krahmer

Bertram Gaspar

Hans-Jurgen Schrick

A suture material is made of a monofil of polyvinylidene fluoride which is drawn at a ratio of from 1:3 to 1:8 and which exhibits improved properties of elongation and elasticity.

Suture material made of synthetic resin monofil

A process for the production of semifinished products and/or molded components from polypropylene by grafting thereto an alkoxysilane compound in the presence of an organic peroxide involves mising the polypropylene, the silane compound, and the peroxide and subsequently plasticizing and extruding at a temperature of about 170.degree.-240.degree. C. The process utilizes an essentially isotactic homopolymer of propylene with a density of about 0.90-0.91 g/cm.sup.3 and a melt index MFI (#.degree. C./5 kp) of smaller than 0.7 g/10 min, preferably smaller than 0.1 g/10 min, and with a molecular weight higher than 5.multidot.10.sup.5. An initially non-crosslinked semifinished product is obtained.

Process for the production of semifinished products and/or molded

Growing community of inventors

Leverkusen, Germany

Jurgen Fenske