Lightweight particles and compositions containing them

Details Lightweight particles and compositions containing them Lightweight particles and compositions containing them

C - Chemistry, Metallurgy

08

K

C08K 9/08 (2006.01) C08K 7/22 (2006.01) C08L 81/02 (2006.01) C09K 3/10 (2006.01)

Patent

CA 2733559

Disclosed are particles that have an exterior surface coated with a thin polymeric coating, such as a coating that includes a sulfur-containing polymer. Also disclosed are compositions, such as fuel- resistant sealant and coating compositions, which include such particles. Aerospace vehicles having an aperture at least partially sealed with a sealant deposited from such a sealant composition are also disclosed.

Cette invention concerne des particules dont la surface externe est recouverte dune mince couche polymère, par exemple une couche contenant un polymère soufré. Linvention concerne également des compositions, par exemple des compositions de revêtement et adhésives résistantes aux carburants contenant ces particules. Linvention concerne par ailleurs des véhicules aérospatiaux ayant une ouverture au moins partiellement scellée avec un produit détanchéité provenant dune telle composition adhésive.

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