Epoxy resins with improved burn properties

Details Epoxy resins with improved burn properties Epoxy resins with improved burn properties

2008-10-07

2011-10-18

Woodward, Ana (Department: 1765)

Stock material or miscellaneous articles

Composite

Of epoxy ether

C428S323000, C428S327000, C428S473500, C524S538000, C525S423000, C525S436000

Reexamination Certificate

active

08039109

ABSTRACT:
Epoxy resin compositions that generate reduced levels of sulfur dioxide and which unexpectedly have reduced self-extinguishing times. The epoxy resins are composed of from 50 to 70 weight percent of an epoxy resin component. The epoxy resin composition also includes from 15 to 35 weight percent of a thermoplastic blend that is composed of polyetherimide and polyamideimide. The epoxy resin composition further includes from 5 to 25 weight percent of a curative agent.

REFERENCES:
patent: 5268223 (1993-12-01), Qureshi et al.
patent: 5985431 (1999-11-01), Oosedo et al.
patent: 6605685 (2003-08-01), Wang
patent: 2005/0008868 (2005-01-01), Nakamura et al.
patent: 2055642 (1993-12-01), None
patent: 2008-007682 (2008-01-01), None

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