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US 11,560,448 B2Granted
Antimony free flame-retarded epoxy compositions
AssigneeBromine Compounds Ltd.
InventorsMeyrav Abecassis-Wolfovich, Smadar Swissa
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Abstract
A curable epoxy composition suitable for surface application, comprising one or more epoxy resin (s); 2, 4, 6-tribromophenyl end-capped tetrabromobisphenol A epoxy-based flame retardant; and phosphorus-containing compound selected from the group consisting of one or more of: ammonium polyphosphate; resorcinol bis (diphenyl phosphate); and liquid alkylated triphenyl phosphate ester. The composition is substantially Sb2O3-free.
Claims6
A curable epoxy composition suitable for surface applications, comprising:
- A) 100 parts by weight of one or more epoxy resin(s);
- B) from 15 to 60 parts by weight of 2,4,6-tribromophenyl end-capped tetrabromobisphenol A epoxy-based flame retardant of Formula (I):
- wherein n indicates the degree of polymerization;
- and
- C) from 15 to 40 parts by weight of a mixture of aluminum ammonium polyphosphate and resorcinol bis (diphenyl phosphate), and wherein the composition is substantially Sb2O3-free.
2 more elements
Dependencies are inferred from the claim text.