Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1997-04-07
2000-02-15
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524386, 524387, 524406, 524494, C08K 310
Patent
active
06025419&
ABSTRACT:
This invention relates to flame retardants for polyester and polyamide compositions, and specifically relates to compositions containing (1) about 30 to about 70 weight percent of a polyester or a synthetic, aliphatic polyamide and synthetic aliphatic, aromatic polyamide copolymers or a mixture thereof; (2) about 15 to about 40 weight percent of glass or mineral reinforcing agent; and (3) a flame retardant of (a) about 5 to about 45 weight percent of melamine polyphosphate; (b) about 15 to about 30 weight percent of melamine polyphosphate and up to about 10 weight percent of a charring catalyst; (c) about 15 to about 30 weight percent of melamine polyphosphate, up to about 10 weight percent of a charring catalyst and up to about 10 weight percent of a char former, wherein all percents by weight are based on the total weight of (1)+(2)+(3) only.
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Kasowski Robert Valentine
Martens Marvin M.
E. I. Du Pont de Nemours and Company
Hamby William H.
Hoke Veronica P.
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