	US 11,773,231 B2
	Foams based on thermoplastic elastomers
Elmar Poeselt, Lemfoerde (DE); Peter Gutmann, Ludwigshafen (DE); Florian Tobias Rapp, Ludwigshafen (DE); and Frank Prissok, Lemfoerde (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/47,166
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Apr. 18, 2019, PCT No. PCT/EP2019/060123 § 371(c)(1), (2) Date Oct. 13, 2020, PCT Pub. No. WO2019/202090, PCT Pub. Date Oct. 24, 2019.
Claims priority of application No. 18168425 (EP), filed on Apr. 20, 2018.
Prior Publication US 2021/0122894 A1, Apr. 29, 2021
Int. Cl. C08J 9/24 (2006.01); C08J 9/18 (2006.01); C08J 9/00 (2006.01); B29C 48/40 (2019.01); B29L 31/50 (2006.01)

CPC C08J 9/0061 (2013.01) [B29C 48/40 (2019.02); C08J 9/18 (2013.01); C08J 9/24 (2013.01); B29C 2948/92704 (2019.02); B29L 2031/504 (2013.01); B29L 2031/507 (2013.01); C08J 2201/03 (2013.01); C08J 2203/06 (2013.01); C08J 2300/22 (2013.01); C08J 2375/04 (2013.01); C08J 2425/06 (2013.01)]

14 Claims

1. A molded body made of bead foam, the bead foam made of a composition (Z) comprising:

from 70 to 95% by weight of a thermoplastic polyurethane having a molecular weight Mw of 60,000 to 300,000 g/mol as determined by gel permeation chromatography as component I, and

from 5 to 30% by weight of a styrene polymer having a modulus of elasticity in tension of above 2,500 MPa according to DIN EN ISO 527-1/2, June 2012, as component II,

wherein the entirety of components I and II provides 100% by weight;

the molded body is at least one selected from the group consisting of an intermediate sole for a shoe, an insert for a shoe, and a cushioning element for a shoe and

a tensile strength of the molded body is above 600 kPa.