Oligomeric, hydroxy-terminated phosphonates
First Claim
Patent Images
1. A thermoset resin composition comprising a hydroxy-terminated oligomeric phosphonate comprising the repeating structure —
- OP(═
O) (R)OArylene-, where r is alkyl, optionally in the presence of another flame retardant.
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Accused Products
Abstract
Epoxy resins that are suitable for forming epoxy laminates that meet a UL-94 rating of V—O comprise a hydroxy-terminated oligomeric phosphonate comprising the repeating structure —OP(═O)(R)OArylene-, where R is alkyl, as a flame retardant.
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Citations
11 Claims
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1. A thermoset resin composition comprising a hydroxy-terminated oligomeric phosphonate comprising the repeating structure —
- OP(═
O) (R)OArylene-, where r is alkyl, optionally in the presence of another flame retardant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11)
- OP(═
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10. (Cancelled)
Specification