US 11,702,508 B2
Hydrogels from dynamic covalent networks
Dylan J. Boday, Tucson, AZ (US); Mareva B. Fevre, San Jose, CA (US); Jeannette M. Garcia, San Leandro, CA (US); James L. Hedrick, Pleasanton, CA (US); and Rudy J. Wojtecki, San Jose, CA (US)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by International Business Machines Corporation, Armonk, NY (US)
Filed on Feb. 27, 2020, as Appl. No. 16/803,713.
Application 15/621,854 is a division of application No. 14/938,577, filed on Nov. 11, 2015, granted, now 9,700,635, issued on Jul. 11, 2017.
Application 16/803,713 is a continuation of application No. 15/621,854, filed on Jun. 13, 2017, granted, now 10,696,791.
Prior Publication US 2020/0199298 A1, Jun. 25, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C08G 75/04 (2016.01); C08G 73/06 (2006.01); C08G 65/333 (2006.01); C08G 81/00 (2006.01); A61K 47/69 (2017.01); A61K 47/59 (2017.01); C08G 73/02 (2006.01); A61K 47/60 (2017.01); A61K 9/06 (2006.01); C09D 179/06 (2006.01); C08L 79/04 (2006.01); C08K 5/3492 (2006.01)
CPC C08G 73/0644 (2013.01) [A61K 9/06 (2013.01); A61K 47/59 (2017.08); A61K 47/60 (2017.08); A61K 47/6903 (2017.08); C08G 65/33317 (2013.01); C08G 73/0233 (2013.01); C08G 73/0253 (2013.01); C08G 73/0638 (2013.01); C08G 75/04 (2013.01); C08G 81/00 (2013.01); C08K 5/3492 (2013.01); C08L 79/04 (2013.01); C09D 179/06 (2013.01)] 20 Claims
 
1. A method of forming a polymer, the method comprising:
reacting a hydrophobic component with a hydrophilic component to form a polymer having hydrophobic sections and hydrophilic sections, the polymer having a general structure selected from the group consisting of

OG Complex Work Unit Chemistry
wherein:
each instance of R1 is independently aryl, polyester, or polyamide;
each instance of R6 is independently a group having hydrophilic components;
each instance of R2 and R5 is independently an organic or hetero-organic group;
each instance of R3 is independently an electron-deficient organic or hetero-organic group;
each instance of R7 is a trivalent organic or hetero-organic group;
each instance of X is independently a hydrophobic group;
each instance of n is a positive integer; and
wavy bonds in a structure signify covalent bonds to other atoms.