US 12,215,440 B2
Polymer filled polyolefin fiber
Luigi Balzano, Echt (NL); Franciscus Wilhelmus Maria Gelissen, Echt (NL); Francois Antoine Marie Op Den Buijsch, Echt (NL); and David Michael Cummins, Echt (NL)
Assigned to AVIENT PROTECTIVE MATERIALS B.V., Geleen (NL)
Appl. No. 17/773,366
Filed by Avient Protective Materials B.V., Geleen (NL)
PCT Filed Nov. 3, 2020, PCT No. PCT/EP2020/080789
§ 371(c)(1), (2) Date Apr. 29, 2022,
PCT Pub. No. WO2021/089529, PCT Pub. Date May 14, 2021.
Claims priority of application No. 19206846 (EP), filed on Nov. 4, 2019.
Prior Publication US 2022/0364275 A1, Nov. 17, 2022
Int. Cl. D01F 8/06 (2006.01); D01F 1/02 (2006.01); D01F 8/12 (2006.01); D01F 8/14 (2006.01)
CPC D01F 8/06 (2013.01) [D01F 1/02 (2013.01); D01F 8/12 (2013.01); D01F 8/14 (2013.01); D10B 2321/0211 (2013.01); D10B 2321/08 (2013.01); D10B 2331/02 (2013.01); D10B 2331/04 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A polyolefin fiber comprising:
polymeric structures that are immiscible with and dispersed in the polyolefin fiber, and
a thermoplastic polymer, wherein
the polymeric structures individually comprise a polycondensate and a functionalized polymer, and wherein
the polyolefin fiber is a gel-spun high-performance polyethylene (HPPE) fiber having a tenacity of at least 1 N/tex.