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:
Jun. 10, 2003
Filed:
Apr. 18, 2000
Henryk Struszczyk, Zgierz, PL;
Karlina Grzebieniak, Ksawerow, PL;
Alojzy Urbanowski, Lodz, PL;
Arkadiusz Wilczek, late of Pabianice, PL;
Stanislaw Galecki, Lodz, PL;
Jan Kazmierski, Lowicz, PL;
Konrad Kazmierski, Lowicz, PL;
Instytut Wlokien Chemicznych, Lodz, PL;
Abstract
A polypropylene composition and modified fibers thereof, includes polypropylene and an elastomer. The elastomer has a melting temperature of, at least, 80° C., preferably 100-180° C., a melt flow index in the range of 1-60 g/10-min., and a density within the range of 0.85-0.95 g/cm . The elastomer is a branched copolymer of an ethylene copolymer, a polyolefin copolymer or a combination thereof, with ethylene, higher alkene groups, or both ethylene and higher alkene groups in the main chain of the branched copolymer, and with a weight proportion of polypropylene to elastomer being in the range of from 99.9:0.1 to 0.1:99.9. A method for producing the polypropylene composition and modified fibers thereof is also disclosed.