C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
403/9
C08L 21/00 (2006.01) C08K 3/32 (2006.01) C08K 3/34 (2006.01) C08K 5/00 (2006.01) C08K 5/31 (2006.01) C08K 13/02 (2006.01)
Patent
CA 1247797
ABSTRACT Intumescent Composition An intumescent rubber or elastomeric composition comprises a rubber or elastomer containing: (a) one or more organic polyhydroxy compounds as carbonific; (b) one or more organic polyamido compounds in free and/or combined forms as spumific; (c) an ammonium phosphate as activator for the carbonific; and (d) an amino resin as binder; and, in addition to or instead of components (a) and (d), (e) sodium silicate as an intumsecent material, components (a) to (d) if present being intermixed one with another.
464985
Bereskin & Parr
Malcolm-Brown Tessa
LandOfFree
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