US 11,773,250 B2
Thermoplastic elastomer with adhesion to cross-linked ethylene propylene diene rubbers
Jae Hyeuk Jeong, Duluth, GA (US); Sehyun Kim, Johns Creek, GA (US); and Yaw Boateng, Buford, GA (US)
Assigned to Kraiburg TPE Corp., Buford, GA (US)
Filed by Kraiburg TPE Corp., Buford, GA (US)
Filed on Apr. 23, 2021, as Appl. No. 17/238,407.
Prior Publication US 2022/0340738 A1, Oct. 27, 2022
Int. Cl. C08L 53/02 (2006.01); C08L 23/16 (2006.01); C08L 23/12 (2006.01)
CPC C08L 53/02 (2013.01) [C08L 23/12 (2013.01); C08L 23/16 (2013.01); C08L 2205/03 (2013.01)] 15 Claims
 
1. A thermoplastic elastomer comprising a styrene block copolymer and a non-elastomeric polyolefin, wherein the non-elastomeric polyolefin has a melt flow rate MFR of more than 5 dg/min, a crystallization endset temperature Tcendset of equal to or less than 110° C., and a crystallization onset temperature Tconset in the range of more than 100° C. and less than 130° C., with the proviso that the crystallization endset temperature Tcendset is smaller than the crystallization onset temperature Tconset.