US Patent Issued to Borealis on June 23 for "Polypropylene composition for HMS PP foam sheet with balanced bending resistance" (Austrian, Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,592, issued on June 23, was assigned to Borealis AG (Vienna).

"Polypropylene composition for HMS PP foam sheet with balanced bending resistance" was invented by Antti Tynys (Linz, Austria), Norbert Reichelt (Linz, Austria) and Yi An Lin (New Taipei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polypropylene composition comprising -10 to 50 wt. % of recycled polypropylene (R-PP) and/or linear polypropylene (L-PP); -40 to 89.95 wt. % of a high melt strength polypropylene (HMS-PP) having an F30 melt strength of more than 25.0 cN and a v30 melt extensibility of more than 205 mm/s, wherein the F30 melt strength ...