	US 12,391,805 B2
	Block copolymers
Elmar Poeselt, Lemfoerde (DE); Frank Thielbeer, Lemfoerde (DE); Lisa Marie Schmidt, Lemfoerde (DE); Theresa Huelsmann, Lemfoerde (DE); and Peter Gutmann, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/597,865
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Jul. 31, 2020, PCT No. PCT/EP2020/071676 § 371(c)(1), (2) Date Jan. 27, 2022, PCT Pub. No. WO2021/019076, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 19189340 (EP), filed on Jul. 31, 2019.
Prior Publication US 2022/0259382 A1, Aug. 18, 2022
Int. Cl. C08G 81/00 (2006.01); C08G 63/60 (2006.01); C08G 63/664 (2006.01); C08G 69/14 (2006.01); C08G 69/44 (2006.01); C08J 9/228 (2006.01); C08G 101/00 (2006.01)

CPC C08G 81/00 (2013.01) [C08G 63/60 (2013.01); C08G 63/664 (2013.01); C08G 69/14 (2013.01); C08G 69/44 (2013.01); C08J 9/228 (2013.01); C08G 2101/00 (2013.01); C08J 2333/04 (2013.01); C08J 2387/00 (2013.01)]

21 Claims

1. A block copolymer, comprising at least:

a block (P1) obtained or obtainable by reacting

a triblock copolymer having a structure A-B-A′, where block B is selected from the group consisting of polyethers and polyesters, and block A and block A′ are identical or different,

wherein block A, or block A′, or block A and block A′ are selected from the group consisting of polycaprolactones, and

at least one polymer (PM) selected from the group consisting of polyesters and polyethers, and

a block (P2) selected from the group consisting of polyamides and polyesters.