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US 2010/0137467 A1Published application
Polyurethane foam containing flame-retardant mixture
OwnerJeffrey K. Stowell, Sergei Levchik +3inventors
InventorsJeffrey K. Stowell, Sergei Levchik, Andrew Piotrowski, Weihong Liu, Yinzhong Guo
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Abstract
The invention relates to flame retarded polyurethane foam containing, inter alia, an effective flame retarding amount of a non-halogen flame-retardant mixture wherein said foam is capable of meeting or exceeding stringent flame retardancy criteria.
Claims21
A flame-retarded polyurethane foam comprising:
- a) a polyurethane foam;
- and
- b) an effective flame retarding amount of a flame-retardant mixture comprising:
- i) at least one non halogen-containing cyclic phosphate ester having the general formula:
- wherein R1 and R2, are the same or different, 1 to 6 carbon atom(s) straight-chain or branched alkyl groups, which may or may not contain heteroatom substituents, and R3 is phenyl or substituted phenyl containing from 6 to 12 carbon atoms, which may or may not contain heteroatom substituents;
- and
- ii) at least one non halogen-containing melamine compound.
4 more elements
Dependencies are inferred from the claim text.