Oligomeric, hydroxy-terminated phosphonates

Details Oligomeric, hydroxy-terminated phosphonates Oligomeric, hydroxy-terminated phosphonates

2002-10-04

2008-11-11

Sellers, Robert (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C428S297400, C428S413000, C428S414000, C428S416000, C525S480000

Reexamination Certificate

active

07449526

ABSTRACT:
Epoxy resins that are suitable for forming epoxy laminates that meet a UL-94 rating of V-0 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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