Extruded polymer foams containing brominated fatty...

Details Extruded polymer foams containing brominated fatty... Extruded polymer foams containing brominated fatty...

2008-10-08

2011-12-20

Zemel, Irina S (Department: 1765)

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S082000, C521S088000, C521S098000, C521S142000, C521S146000, C521S147000

Reexamination Certificate

active

08080592

ABSTRACT:
Extruded polymer foams are prepared using brominated fatty acids, an ester, amide or ester-amide of a brominated fatty acid, a glyceride of one or more brominated fatty acids, or a polymerized brominated fatty acid as an FR additive. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams.

REFERENCES:
patent: 3359220 (1967-12-01), Wright
patent: 5171757 (1992-12-01), Stobby
patent: 5171915 (1992-12-01), Forbus
patent: 2008/021417 (2008-02-01), None
patent: 2008/021418 (2008-02-01), None

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