Fire-class reinforced aerogel compositions

(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property (1) Organization11111111111111111111111I1111111111111i1111liiiii International Bureau (10) International Publication Number (43) International Publication Date W O 2019/232087 Al 05 December 2019 (05.12.2019) W IPO I PCT (51) InternationalPatent Classification: (71) Applicant: ASPEN AEROGELS, INC. [US/US]; 30 BO1J13/00 (2006.01) C04B 32/02 (2006.01) Forbes Road, Bldg B, Northborough, Massachusetts 01532 (21) International Application Number: (US). PCT/US2019/034448 (72) Inventors: MIHALCIK, David J.; 114 Brigham Street, (22) International Filing Date* Northborough, Massachusetts 01532 (US). DEKRAFFT, 29 May 2019 (29.05.2019) Kathryn Elizabeth; 750 Farm Road, Apt 230, Marl borough, Massachusetts 01752 (US). ZAFIROPOULOS, (25) Filing Language: English Nicholas Anthony; 282 Main Street, Wayland, Massachu setts 01778 (US). EVANS, Owen Richard; 2 SonoraDrive, (26)PublicationLanguage: English Chelmsford, Massachusetts 01824 (US). GOULD, George (30) Priority Data: L.; 174 Millville Road, Mendon, Massachusetts 01756 62/678,850 31 May 2018 (31.05.2018) US (US). LOLSBERG, Wibke; BASF SE, E-PME-BM-F206, Carl-Bosch-Str. 38, 67056 Ludwigshafen am Rhein (DE). (63) Related by continuation (CON) or continuation-in-part (CIP) to earlier application: (74) Agent: MUTHUKUMARAN, Poongunran; Aspen Aero US 62/678,850 (CIP) gels, Inc., 30 Forbes Road, Bldg B, Northborough, Massa Filed on 31 May 2018 (31.05.2018) chusetts 01532 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (54) Title: FIRE-CLASS REINFORCED AEROGEL COMPOSITIONS -Aerogel Composition without any additive -Aerogel Composition with 120% Magnesium hydroxide E 2.0-Magnesium hydroxide alone E 10.0 - 100 -4.0 65 U:~ 6.0 9 0) 40 " 850 - 0.0 75 j ,. -4.0 65~ 0 200 400 600 800 1000 Temperature (C) (57) Abstract: The current disclosure provides reinforced aerogel compositions that are durable and easy to handle, have favorable performance in aqueous environments, have favorable insulation properties, and have favorable, reaction to fire, combustion and flame resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain em bodiments, the composition has a silica-based aerogel framework, reinforced with an open-cell macroporous framework, and includes one or more fire-class