US 12,435,274 B2
Anisotropic thermally conductive polymers with dynamic molecular weight, and methods of making the same
Ashley Dustin, Los Angeles, CA (US); Adam Gross, Santa Monica, CA (US); Andrew Nowak, Los Angeles, CA (US); and Adam Sorensen, Moorpark, CA (US)
Assigned to HRL Laboratories, LLC, Malibu, CA (US)
Filed by HRL Laboratories, LLC, Malibu, CA (US)
Filed on May 15, 2024, as Appl. No. 18/664,420.
Application 18/664,420 is a division of application No. 18/090,442, filed on Dec. 28, 2022, granted, now 12,018,198.
Application 18/090,442 is a continuation in part of application No. 17/542,488, filed on Dec. 5, 2021, granted, now 11,674,084, issued on Jun. 13, 2023.
Claims priority of provisional application 63/315,154, filed on Mar. 1, 2022.
Claims priority of provisional application 63/148,135, filed on Feb. 11, 2021.
Prior Publication US 2024/0301290 A1, Sep. 12, 2024
Int. Cl. G02F 1/1333 (2006.01); C08G 63/185 (2006.01); C08G 63/85 (2006.01); C09K 19/02 (2006.01); C09K 19/38 (2006.01); C09K 19/04 (2006.01)
CPC C09K 19/3809 (2013.01) [C08G 63/185 (2013.01); C08G 63/85 (2013.01); C09K 19/02 (2013.01); C08G 2250/00 (2013.01); C09K 2019/0448 (2013.01)] 7 Claims
 
1. An oligomer composition comprising:
(a) a plurality of first thermotropic liquid-crystal oligomer molecules containing first triggerable reactive end groups,
wherein said first thermotropic liquid-crystal oligomer molecules are selected from oligourethanes, oligoureas, or a combination thereof,
wherein said first triggerable reactive end groups are selected from the group consisting of hydroxyl, isocyanate, blocked isocyanate, acrylate, epoxide, amine, vinyl, ester, thiol, conjugated diene, substituted alkene, furan, maleimide, anthracene, and combinations thereof,
wherein said first thermotropic liquid-crystal oligomer molecules are polarizable,
and wherein said first thermotropic liquid-crystal oligomer molecules are characterized by a weight-average molecular weight from about 200 g/mol to about 10,000 g/mol;
(b) optionally, a plurality of second thermotropic liquid-crystal oligomer molecules containing second triggerable reactive end groups,
wherein said second triggerable reactive end groups are selected from the group consisting of hydroxyl, isocyanate, blocked isocyanate, acrylate, epoxide, amine, vinyl, ester, thiol, conjugated diene, substituted alkene, furan, maleimide, anthracene, and combinations thereof,
wherein said second thermotropic liquid-crystal oligomer molecules are polarizable,
and wherein said second triggerable reactive end groups are capable of reacting with said first triggerable reactive end groups; and
(c) optionally, a reactive coupling agent capable of reacting with said first triggerable reactive end groups.