	US 11,732,174 B2
	Thermally conductive polymer compositions containing carbon black
Federico Villalpando-Paez, San Francisco, CA (US); George D. Eid, Nashua, NH (US); Alyson M. Christopher, San Jose, CA (US); Mark J. Hampden-Smith, Chelmsford, MA (US); Santiague Pierre, Liege (BE); Alain Thielen, Thimister (BE); Limeng Chen, Arlington, MA (US); Agathagelos Kyrlidis, Cambridge, MA (US); and Bruce E. MacKay, Framingham, MA (US)
Assigned to Cabot Corporation, Boston, MA (US)
Filed by Cabot Coporation, Boston, MA (US)
Filed on May 2, 2022, as Appl. No. 17/734,961.
Application 17/734,961 is a continuation of application No. 16/073,820, granted, now 11,352,536, previously published as PCT/US2017/014839, filed on Jan. 25, 2017.
Claims priority of provisional application 62/289,623, filed on Feb. 1, 2016.
Prior Publication US 2022/0290028 A1, Sep. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 5/14 (2006.01); C08K 3/04 (2006.01); C08K 3/38 (2006.01); C08J 3/22 (2006.01); C09C 1/56 (2006.01); C09C 1/48 (2006.01)

CPC C09K 5/14 (2013.01) [C08J 3/22 (2013.01); C08K 3/04 (2013.01); C08K 3/38 (2013.01); C08K 2003/385 (2013.01); C08K 2201/001 (2013.01); C09C 1/48 (2013.01); C09C 1/56 (2013.01)]

19 Claims

1. A thermoplastic composite polymer composition comprising:

greater than 50% by weight of a polymer matrix; and

a partially crystallized furnace carbon black dispersed in the polymer matrix at a concentration of from 12 to 28 percent by weight, wherein the carbon black has an OAN structure of greater than 120 cm³/100 g and less than 200 cm³/100 g, a surface energy of less than 8 mJ/m², a percent crystallinity of less than 65% and a Raman microcrystalline planar size (L_a) of greater than or equal to 28 Å.