| 摘要 |
<p>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.</p> |
