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US 6,706,793 B2Granted
Intumescent fire retardant composition and method of manufacture thereof
AssigneeDelphi Technologies, Inc.
InventorsIsmat A. Abu-Isa, Richard W. Marczewski, Mark M. Williams
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Abstract
One embodiment of an intumescent composition comprises a halogenated polymer, antimony oxide, and intercalated graphite, while one embodiment of an intumescent additive mixture comprises antimony oxide and intercalated graphite. One embodiment of the method of making an intumescent composition comprises melt blending a halogenated polymer with antimony oxide, and intercalated graphite.
Claims23
An intumescent composition comprising:
- a halogenated polymer;
- antimony oxide;
- and
- an intercalated graphite.
1 more element
An intumescent additive mixture consisting essentially of:
- about 35 wt % to about 65 wt % antimony oxide;
- and
- about 35 wt % to about 65 wt % intercalated graphite.
The method of making an intumescent composition comprising:
- melt blending a halogenated polymer with antimony oxide and intercalated graphite.
Dependencies are inferred from the claim text.