Dynamit Nobel Aktiengesellschaft

Werner Trautvetter

Gregor Weisgerber

Gunther Bernhardt

Norbert Vollkommer

Robert Buning

Franz Blaschke

Rudeger Minke

A composition comprising a polyvinylidene fluoride and a fluoroelastomer, especially a fluoroelastomer containing moieties of vinylidene fluoride and hexa- or pentafluoropropylene, and methods for the preparation of formed articles from such composition and formed articles thereof having improved notch impact toughness and elongation at rupture.

Polyvinylidene fluoride compositions, and fabricated products thereof

Polyvinyl chloride of high impact strength prepared on the basis of

A cross-linked polymer having units of a residue of a chlorinated xylyleneglycolbisallylether, units of a residue of maleic acid anhydride and units of a residue of an epoxy compound; an improvement in a process for the preparation of a cross-linked hardenable resin wherein a composition comprising a chlorinated or brominated xylyleneglycolbisallylether and maleic acid anhydride is subjected to a preliminary setting process and thereafter cured wherein the composition contains an epoxy compound; shaped objects of the polymer especially when formed by the described process having good flame self-extinguishing properties and good thermal stability of shape.

Hardenable resins based upon allyl compounds

A method of deacetylation of ethylene-vinyl acetate copolymers to produce the corresponding olefinicaly unsaturated, linear polymers. The ethylene-vinyl acetate copolymers are deacetylated under a vacuum of less than about 50 Torr, by splitting acetic acid from the copolymers, and while continuously stirring the copolymers.

Unsaturated ethylene-vinyl acetate copolymers and unsaturated

An improvement in a process for the preparation of thermoplastically workable fluoro-polyolefins and their copolymers wherein a fluorine containing olefin is polymerized or copolymerized in the aqueous phase in the presence of a water-soluble, radical-forming catalyst and a polymerization regulator, the improvement residing in employing as the polymerization regulator a halogenated hydrocarbon having from one to three carbon atoms and at least three halogen atoms of which at least one is a fluorine atom and at least one is a bromine or iodine atom.

Process for the preparation of thermoplastically workable fluoro-olefin

A process for coagulating a fluoro-elastomer in an aqueous medium which comprises adding to an aqueous acidic medium thereof an organic base or salt thereof which acts as a vulcanization accelerator.

Method of coagulating a fluoro-elastomer from an aqueous  dispersion

Vinyl chloride copolymers of vinyl chloride and a comonomer of the formula ##EQU1## wherein Z contains an alkenyl group and X and Y are H or other substituents. The copolymers can be cross linked to form shaped articles of improved elongation and tenacity.

Process for making cross-linking shaped articles from copolymers of

An improvement in a process for the preparation of thermoplastically workable fluoro-polyolefins and their copolymers wherein a fluorine containing olefin is polymerized or copolymerized in the aqueous phase in the presence of a water-soluble, radical-forming catalyst and a polymerization regulator, the improvement residing in employing as the polymerization regulator a halogenated hydrocarbon having from 1 to 3 carbon atoms and at least three halogen atoms of which at least one is a fluorine atom and at least 1 is a bromine or iodine atom.

Growing community of inventors

Troisdorf-Spich, Germany

Werner Trautvetter