The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 1988
Filed:
Oct. 15, 1985
Kurt C Frisch, Grosse Ile, MI (US);
Kaneyoshi Ashida, Farmington Hills, MI (US);
Jozef L van der Loos, Sittard, NL;
Albert A van Geenen, Brunssum, NL;
Stamicarbon B.V., Geleen, NL;
Abstract
The present invention provides a molded product composed of a polymer alloy of a polyamide polymer and at least one polyurethane polymer, polyurea polymer, and/or polyisocyanurate polymer. The polymer alloy is an interpenetrated network of different polymers, a semi-interpenetrating network of different polymers, or a polyblend of different polymers. Reactant streams containing the compounds for forming the polymers of the polymer alloy are admixed to form a reaction mixture. The liquid reaction mixture is preferably a substantially homogeneous mixture of the reactant compounds. Each reactant stream thus contains only a portion of the components required to obtain the polymer alloy product. The resulting mixture is then rapidly introduced into a mold wherein chemical reaction takes place and the polymer alloy forms. Preferably, the mold is heated. The solid polymer alloy product is then recovered from the mold.