US 12,421,326 B2
Cyclodextrin-based polyrotaxanes and protein hybrids as three-dimensional printing inks
Chenfeng Ke, Hanover, NH (US); Qianming Lin, Hanover, NH (US); Longyu Li, Hanover, NH (US); and Miao Tang, Hanover, NH (US)
Assigned to Trustees of Dartmouth College, Hanover, NH (US)
Appl. No. 17/921,059
Filed by Trustees of Dartmouth College, Hanover, NH (US)
PCT Filed May 10, 2021, PCT No. PCT/US2021/031495
§ 371(c)(1), (2) Date Oct. 24, 2022,
PCT Pub. No. WO2021/226567, PCT Pub. Date Nov. 11, 2021.
Claims priority of provisional application 63/021,971, filed on May 8, 2020.
Prior Publication US 2023/0174680 A1, Jun. 8, 2023
Int. Cl. B33Y 70/00 (2020.01); C08B 37/16 (2006.01); C08G 83/00 (2006.01); C09D 5/02 (2006.01); C09D 105/16 (2006.01); C09D 187/00 (2006.01)
CPC C08B 37/0015 (2013.01) [B33Y 70/00 (2014.12); C08G 83/007 (2013.01); C09D 5/02 (2013.01); C09D 105/16 (2013.01); C09D 187/005 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A composition comprising a rotaxane, wherein the rotaxane comprises:
a plurality of macrocyclic rings and a polymer,
wherein each of the plurality of macrocyclic rings comprises a cavity,
wherein the cavities of the plurality of macrocyclic rings are threaded onto the polymer,
wherein the plurality of threaded macrocyclic rings comprise a plurality of different segments,
wherein each of the plurality of different segments comprises a plurality of threaded macrocyclic rings,
wherein each of the plurality of different segments is in the form of a crystalline network,
wherein the polymer has a molecular weight below 10,000 Da, and
wherein the polymer is covalently appended to one or more sterically hindered molecules.