US 12,083,710 B2
Pellet comprising an axial core and a polymer sheath, and its manufacture
Carmela Tufano, Geleen (NL); and Zahra Fahimi, Geleen (NL)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom (NL)
Appl. No. 16/469,944
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom (NL)
PCT Filed Dec. 14, 2017, PCT No. PCT/EP2017/082915
§ 371(c)(1), (2) Date Jun. 14, 2019,
PCT Pub. No. WO2018/109118, PCT Pub. Date Jun. 21, 2018.
Claims priority of application No. 16204286 (EP), filed on Dec. 15, 2016.
Prior Publication US 2020/0078988 A1, Mar. 12, 2020
Int. Cl. B29B 9/14 (2006.01); B29B 9/06 (2006.01); B29B 15/12 (2006.01); B29C 48/00 (2019.01); B29C 48/05 (2019.01); B29C 48/09 (2019.01); B29L 31/30 (2006.01)
CPC B29B 9/14 (2013.01) [B29B 9/06 (2013.01); B29B 15/122 (2013.01); B29C 48/0022 (2019.02); B29C 48/05 (2019.02); B29C 48/09 (2019.02); B29L 2031/3041 (2013.01); Y10T 428/2929 (2015.01)] 21 Claims
 
1. A pellet having an axial direction; said pellet comprising a core that extends in the axial direction and comprising a polymer sheath which has been applied around said core, wherein:
said core comprises a plurality of filaments that extends in the axial direction;
said polymer sheath is at least substantially free of said filaments;
said polymer sheath comprising a plurality of filler particles; wherein the filler particles are glass bubbles, nanoclay particles or a combination thereof,
said pellet comprises at least 30% of filaments by weight of the total weight of said pellet,
wherein said pellet has a density of greater than 0 to 1.3 g/cm3 and an effective isotropic modulus of between 4 and 6 (m/s)2.