US 11,866,547 B2
Method for producing functionalized polyesters
Sonia Flores Penalba, Cerdanyola del Valles (ES); Miguel Paradas-Palomo, Mollet del Valles (ES); Jose Garcia Miralles, Duesseldorf (DE); Hans-Georg Kinzelmann, Pulheim (DE); Rosa Maria Sebastian Perez, Ripollet (ES); Jordi Marquet Cortes, Barcelona (ES); Jorge Aguilera Corrochano, Barcelona (ES); Federica Arioli, Barcelona (ES); and Therese Hemery, Duesseldorf (DE)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed on Jan. 9, 2020, as Appl. No. 16/738,016.
Application 16/738,016 is a continuation of application No. PCT/EP2018/063284, filed on May 22, 2018.
Claims priority of application No. 17382454 (EP), filed on Jul. 11, 2017.
Prior Publication US 2020/0140609 A1, May 7, 2020
Int. Cl. C08G 63/685 (2006.01); C09D 167/04 (2006.01); C09J 167/04 (2006.01); C08K 5/3477 (2006.01); C08K 5/3442 (2006.01); C08K 5/17 (2006.01); C08G 63/68 (2006.01); C08K 5/29 (2006.01); C08L 67/04 (2006.01); C08K 5/3467 (2006.01); C08K 5/3462 (2006.01); C08G 63/08 (2006.01); C08G 63/91 (2006.01)
CPC C08G 63/912 (2013.01) [C08G 63/6852 (2013.01); C09D 167/04 (2013.01); C09J 167/04 (2013.01); C08G 63/08 (2013.01); C08G 63/68 (2013.01); C08G 63/685 (2013.01); C08K 5/17 (2013.01); C08K 5/29 (2013.01); C08K 5/3442 (2013.01); C08K 5/3462 (2013.01); C08K 5/3467 (2013.01); C08K 5/3477 (2013.01); C08L 67/04 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for preparing an amino-functional polyester, said method comprising:
providing a mixture comprising at least one lactone monomer, a catalyst and a polyamine having at least one primary and at least one secondary amine group; and,
subjecting said mixture to ring-opening polymerization conditions,
wherein the catalyst is 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD), 1,8-diazabicyclo-(5,4,0)-undecene-7 (DBU) or both.