US 12,234,368 B2
Dispersions comprising high surface area nanotubes and discrete carbon nanotubes
Kurt W. Swogger, Austin, TX (US); Clive P. Bosnyak, Dripping Springs, TX (US); Malcolm Francis Finlayson, Houston, TX (US); Jerry Gazda, Austin, TX (US); Vinay Bhat, Austin, TX (US); Nancy Henderson, Austin, TX (US); and Emily Barton Cole, Austin, TX (US)
Assigned to MOLECULAR REBAR DESIGN, LLC
Filed by MOLECULAR REBAR DESIGN, LLC, Austin, TX (US)
Filed on Feb. 26, 2021, as Appl. No. 17/187,658.
Application 17/187,658 is a continuation in part of application No. 16/012,265, filed on Jun. 19, 2018, granted, now 10,934,447, issued on Mar. 2, 2021.
Application 16/012,265 is a continuation in part of application No. 15/840,174, filed on Dec. 13, 2017, granted, now 10,000,653.
Application 15/840,174 is a continuation of application No. 15/496,721, filed on Apr. 25, 2017, abandoned.
Application 15/496,721 is a continuation in part of application No. 15/288,553, filed on Oct. 7, 2016, granted, now 9,636,649.
Application 15/288,553 is a continuation in part of application No. 15/225,215, filed on Aug. 1, 2016, granted, now 9,493,626.
Application 15/225,215 is a continuation in part of application No. 15/166,931, filed on May 27, 2016, granted, now 9,422,413.
Application 15/166,931 is a continuation of application No. 14/924,246, filed on Oct. 27, 2015, granted, now 9,353,240.
Application 14/924,246 is a continuation of application No. 13/993,206, granted, now 9,212,273, previously published as PCT/EP2011/072427, filed on Dec. 12, 2011.
Claims priority of provisional application 61/423,033, filed on Dec. 14, 2010.
Prior Publication US 2021/0179880 A1, Jun. 17, 2021
Int. Cl. C09D 11/52 (2014.01); B60C 1/00 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C01B 32/158 (2017.01); C01B 32/174 (2017.01); C08C 1/14 (2006.01); C08J 3/205 (2006.01); C09C 1/44 (2006.01); C09D 5/24 (2006.01); C09D 7/45 (2018.01); C09D 7/62 (2018.01); C09D 11/03 (2014.01); C09D 11/033 (2014.01); C09K 23/00 (2022.01); C08K 3/04 (2006.01); C08L 7/00 (2006.01); C08L 9/06 (2006.01); C08L 9/08 (2006.01)
CPC C09D 11/52 (2013.01) [B60C 1/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01B 32/158 (2017.08); C01B 32/174 (2017.08); C08C 1/14 (2013.01); C08J 3/2053 (2013.01); C09C 1/44 (2013.01); C09D 5/24 (2013.01); C09D 7/45 (2018.01); C09D 7/62 (2018.01); C09D 11/03 (2013.01); C09D 11/033 (2013.01); C09K 23/002 (2022.01); C01B 2202/06 (2013.01); C01B 2202/20 (2013.01); C01B 2202/22 (2013.01); C01B 2202/36 (2013.01); C01P 2004/13 (2013.01); C01P 2004/54 (2013.01); C08J 2321/02 (2013.01); C08K 3/041 (2017.05); C08K 2201/011 (2013.01); C08K 2201/016 (2013.01); C08L 7/00 (2013.01); C08L 9/06 (2013.01); C08L 9/08 (2013.01); Y10S 977/734 (2013.01); Y10S 977/753 (2013.01); Y10S 977/842 (2013.01); Y10S 977/892 (2013.01); Y10S 977/932 (2013.01)] 21 Claims
 
1. A dispersion comprising:
oxidized, discrete carbon nanotubes wherein the discrete carbon nanotubes comprise an interior and exterior surface, each surface comprising an interior surface oxidized species content and an exterior surface oxidized species content, wherein the interior surface oxidized species content is in the range of from about 0.01 to about 3 weight percent relative to carbon nanotube weight, wherein the exterior surface oxidized content is from about 0.1 to about 65 weight percent relative to carbon nanotube weight and wherein the interior surface oxidized species content differs from the exterior surface oxidized species content by at least 20% in magnitude; and
high-surface area carbon nanotubes, wherein the high-surface area nanotubes are single-wall nanotubes, wherein the BET surface area of the high-surface area nanotubes is from about 550 m2/g to about 1500 m2/g according to ASTM D6556-16 and wherein the aspect ratio is at least about 500 up to about 6000;
wherein the sum of the weight of the oxidized, discrete carbon nanotubes and the high surface area carbon nanotubes is in the range of from about 0.1 to about 30% by weight based on the total weight of the dispersion.