	US 12,351,773 B2
	Lubricious thermoplastic compounds and thermoplastic articles made therefrom
Qing Ge, Solon, OH (US); and Jing Liu, Avon, OH (US)
Assigned to Avient Corporation, Avon Lake, OH (US)
Appl. No. 17/422,363
Filed by Avient Corporation, Avon Lake, OH (US)
PCT Filed Jan. 7, 2020, PCT No. PCT/US2020/012544 § 371(c)(1), (2) Date Jul. 12, 2021, PCT Pub. No. WO2020/150044, PCT Pub. Date Jul. 23, 2020.
Claims priority of provisional application 62/792,497, filed on Jan. 15, 2019.
Prior Publication US 2022/0119724 A1, Apr. 21, 2022
Int. Cl. C10M 107/44 (2006.01); A61L 29/08 (2006.01); C10M 107/34 (2006.01); C10M 107/42 (2006.01); C10M 125/22 (2006.01); C10M 169/04 (2006.01); C10N 40/00 (2006.01); C10N 50/08 (2006.01)

CPC C10M 107/44 (2013.01) [A61L 29/085 (2013.01); C10M 107/34 (2013.01); C10M 107/42 (2013.01); C10M 125/22 (2013.01); C10M 169/04 (2013.01); C10M 2201/084 (2013.01); C10M 2209/1045 (2013.01); C10M 2217/0285 (2013.01); C10M 2217/0443 (2013.01); C10M 2217/0453 (2013.01); C10N 2040/50 (2020.05); C10N 2050/08 (2013.01)]

11 Claims

1. A lubricious thermoplastic article formed from a thermoplastic compound comprising:

(a) thermoplastic elastomer that is thermoplastic polyurethane; and

(b) from about 5 to about 20 weight percent, by weight of the compound, of hydrophilic water-insoluble polymer that is crosslinked polyvinylpyrrolidone;

wherein the crosslinked polyvinylpyrrolidone is a powder having a particle size distribution wherein at least 95% of particles have a particle size of less than 250 micrometers; and

the crosslinked polyvinylpyrrolidone is crosslinked prior to inclusion into the thermoplastic compound.