US 12,428,520 B2
Epoxy resin composition
Miran Yu, Ludwigshafen am Rhein (DE); Guenter Scherr, Ludwigshafen am Rhein (DE); Marco Arnold, Ludwigshafen am Rhein (DE); Dieter Mayer, Ludwigshafen am Rhein (DE); and Madhura Shreekar Pawar, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/913,179
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Mar. 24, 2021, PCT No. PCT/EP2021/057579
§ 371(c)(1), (2) Date Sep. 21, 2022,
PCT Pub. No. WO2021/191282, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 20165943 (EP), filed on Mar. 26, 2020.
Prior Publication US 2023/0134713 A1, May 4, 2023
Int. Cl. C08G 59/40 (2006.01); C08G 59/32 (2006.01); C08G 59/62 (2006.01); C08L 63/00 (2006.01)
CPC C08G 59/4085 (2013.01) [C08G 59/3218 (2013.01); C08G 59/621 (2013.01); C08L 63/00 (2013.01)] 10 Claims
 
1. A compound of formula C2

OG Complex Work Unit Chemistry
wherein
each instance of RC1 is independently selected from
a siloxane group of formula C1a

OG Complex Work Unit Chemistry
and an ester group of formula C1b

OG Complex Work Unit Chemistry
wherein at least one RC1 is the siloxane group of formula C1a;
RC2 is selected from a bulky C4 to C12 alkyl group comprising at least one tertiary or quaternary carbon atom;
RC11, RC12, RC13 are independently selected from methyl, ethyl and 1-propyl;
RC14 is selected from a linear or branched C1 to C8 alkyl;
and
n is an average number of repeating units and is from 1.05 to 200.