US 12,187,851 B2
Network polymers and methods of making and using same
Christopher N. Bowman, Boulder, CO (US); Brady T. Worrell, Boulder, CO (US); Gayla Berg Lyon, Medford, MA (US); Matthew K. McBride, Boulder, CO (US); and Chen Wang, Boulder, CO (US)
Assigned to The Regents of the University of Colorado, a body corporate, Denver, CO (US)
Filed by THE REGENTS OF THE UNIVERSITY OF COLORADO, Denver, CO (US)
Filed on Nov. 15, 2022, as Appl. No. 17/987,710.
Application 17/987,710 is a division of application No. 16/326,567, granted, now 11,535,713, previously published as PCT/US2017/048195, filed on Aug. 23, 2017.
Claims priority of provisional application 62/378,447, filed on Aug. 23, 2016.
Prior Publication US 2023/0119934 A1, Apr. 20, 2023
Int. Cl. C08G 75/26 (2006.01); C08G 18/38 (2006.01); C08G 18/77 (2006.01); C08G 18/81 (2006.01); C08G 75/045 (2016.01)
CPC C08G 75/26 (2013.01) [C08G 18/3876 (2013.01); C08G 18/775 (2013.01); C08G 18/8166 (2013.01); C08G 75/045 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A composition comprising:
(a) at least one multifunctional thioester containing monomer of Formula (I):

OG Complex Work Unit Chemistry
wherein in (I):
A1 and A2 are each independently selected from the group consisting of optionally substituted C1-C15 alkylene, optionally substituted C2-C15 alkenylene, optionally substituted C2-C15 alkynylene, optionally substituted C12-C15 heteroalkylene, optionally substituted C2-C15 heteroalkenylene, and optionally substituted C2-C15 heteroalkynylene;
E1 and E2 are each independently selected from the group consisting of:

OG Complex Work Unit Chemistry
wherein each instance of Y1 is independently selected from the group consisting of O and NR1; and each instance of R1 being independently selected from the group consisting of H and C1-C6 alkyl;
m1 is 0 or 1;
m2 is 0 or 1;
X1 is

OG Complex Work Unit Chemistry
 wherein:
bond a is to A1,
bond b is to E1,
Q is CH2 or

OG Complex Work Unit Chemistry
 and
n is 0, 1, 2, 3, 4, 5 or 6;
X2 is

OG Complex Work Unit Chemistry
 wherein:
bond a is to A2,
bond b is to E2,
Q is CH2 or

OG Complex Work Unit Chemistry
 and
n is 0, 1, 2, 3, 4, 5 or 6;
each instance of Y2, and Y3 is independently selected from the group consisting of CR12, O and NR1; and
each instance of R1 is independently selected from the group consisting of H and C1-C6 alkyl;
(b) at least one multifunctional thiol monomer;
(c) at least one selected from the group consisting of a base and a nucleophile;
(d) optionally an acid selected from the group consisting of a photo-activatable acid and a thermal-activatable acid.