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:
Feb. 01, 2022
Filed:
Dec. 18, 2018
Borealis Ag, Vienna, AT;
Jingbo Wang, Linz, AT;
Wilfried Peter Töltsch, Linz, AT;
Luigi Maria Resconi, Linz, AT;
Friedrich Berger, Linz, AT;
BOREALIS AG, Vienna, AT;
Abstract
A propylene copolymer composition comprising A) a propylene butylene copolymer which is—free of phthalicacid esters as well as decomposition products thereof; —obtained by a Ziegler-Natta catalyst and B) at least one α-nucleating agent, the propylene copolymer composition having—a MFR (2.16 kg/210° C.) in the range of 2 to 100 g/10 min—a melting point Tm(1) of less than 140° C.—a melting point Tm(2) of at least 150° C., said Tm(2) being associated with more than 75% of the total melting enthalpy and whereby the propylene copolymer—has monomer units derived from a) propylene in an amount of 90.0-98.0 mol.-% b) butylene in an amount of 2.0-10.0 mol.-% with respect to the total weight of the propylene butylene copolymer—an isotacticity mm % as determined byC NMR spectroscopy of below 99.0%; and—a Koenig-B parameter with respect to butylene as determined byC NMR spectroscopy of more than 0.98.