	US 12,291,598 B2
	Pressure sensitive adhesives made from UV curing of plant oil-based polyesters
Kaichang Li, Corvallis, OR (US); and Anlong Li, Corvallis, OR (US)
Assigned to Oregon State University, Corvallis, OR (US)
Appl. No. 17/612,185
Filed by Oregon State University, Corvallis, OR (US)
PCT Filed May 29, 2020, PCT No. PCT/US2020/035305 § 371(c)(1), (2) Date Nov. 17, 2021, PCT Pub. No. WO2020/243559, PCT Pub. Date Dec. 3, 2020.
Claims priority of provisional application 62/855,596, filed on May 29, 2019.
Prior Publication US 2022/0251292 A1, Aug. 11, 2022
Int. Cl. C08G 63/42 (2006.01); C08G 63/133 (2006.01); C08G 63/688 (2006.01); C09J 7/38 (2018.01); C09J 167/00 (2006.01)

CPC C08G 63/42 (2013.01) [C08G 63/133 (2013.01); C08G 63/688 (2013.01); C09J 7/38 (2018.01); C09J 167/00 (2013.01); C08G 2170/40 (2013.01); C09J 2301/302 (2020.08); C09J 2301/416 (2020.08); C09J 2467/00 (2013.01)]

32 Claims

1. An ultraviolet radiation-curable composition comprising a polyester having at least one pendant ultraviolet radiation-curable moiety covalently bonded to the polyester, wherein the polyester does not contain any free-radically polymerizable activated C═C groups, wherein the composition is made from reacting (i) at least one modified epoxidized plant oil that contains the covalently bonded ultraviolet radiation-curable moiety with (ii) at least one dicarboxylic acid, at least one polycarboxylic acid, or a mixture thereof.