	US 12,227,605 B2
	High melt strength polypropylene
Norbert Reichelt, Linz (AT)
Assigned to BOREALIS AG, Vienna (AT)
Appl. No. 18/559,450
Filed by BOREALIS AG, Vienna (AT)
PCT Filed May 12, 2022, PCT No. PCT/EP2022/062865 § 371(c)(1), (2) Date Nov. 7, 2023, PCT Pub. No. WO2022/238520, PCT Pub. Date Nov. 17, 2022.
Claims priority of application No. 21173666 (EP), filed on May 12, 2021.
Prior Publication US 2024/0228685 A1, Jul. 11, 2024
Int. Cl. C08F 255/02 (2006.01); C08J 3/20 (2006.01); C08J 3/28 (2006.01); C08K 5/09 (2006.01)

CPC C08F 255/02 (2013.01) [C08J 3/203 (2013.01); C08J 3/28 (2013.01); C08K 5/09 (2013.01); C08J 2351/06 (2013.01)]

13 Claims

1. A high melt strength polypropylene (HMS-PP), having a branching index g′ determined by GPC below 0.9 and comprising units derivable from:

i) propylene, and

ii) at least one polyunsaturated fatty acid,

wherein the high melt strength polypropylene (HMS-PP) comprises 0.05 to 2.0 wt % of units derivable from at least one polyunsaturated fatty acid based on the overall weight of the high melt strength polypropylene (HMS-PP).