Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-03-29
2005-03-29
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S09200D, C525S176000, C525S177000, C525S184000, C525S088000, C524S542000
Reexamination Certificate
active
06872775
ABSTRACT:
A compound for a composite body having a hard and a soft component, and to a process for producing such a composite body is provided. The compound comprises a hard component (a) of a polyoxymethylene and a soft component (b) of one or more hydrogenated styrene block copolymers, molded directly onto component (a). The styrene block copolymers are from the group of poly-isoprene/butadiene polymer (SEEPS), poly-isoprene polymer (SEPS); poly-butadiene polymer (SEBS), and combinations thereof. The styrene block copolymer is adhesion-modified by the addition of a compound selected from styrene/butadiene copolymer (SBS); ethylene/vinyl acetate copolymer (EVA); olefinic polymers, polystyrene (PS), and combinations thereof. One or more of the following substances may also be added as modifiers of the polyoxymethylene: SBS; EVA; hydrogenated styrene block copolymer based on a hydrogenated poly-isoprene/butadiene rubber (SEEPS), hydrogenated styrene block copolymer based on a hydrogenated poly-isoprene rubber (SEPS), hydrogenated styrene block copolymer based on a hydrogenated poly-butadiene rubber (SEBS), compounds based on a hydrogenated styrene block copolymer which can be present as hydrogenated poly-isoprene/butadiene rubber (SEEPS) or as hydrogenated poly-isoprene rubber (SEPS) or as hydrogenated poly-butadiene rubber (SEBS), olefinic polymers; polystyrene; acrylonitrile butadiene styrene (ABS); polycarbonate (PC); styrene acrylonitrile (SAN); and urethane thermoplastic elastomer (TPE-U).
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Eickhoff Norbert
Greulich Stefan
Kirberg Karl-Wilhelm
Stelzer Olaf
Asinovsky Olga
E.I. du Pont de Nemours and Company
Plastolen GmbH
Seidleck James J.
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