Fire-resistant polyamide compositions

Details Fire-resistant polyamide compositions Fire-resistant polyamide compositions

1989-10-13

1991-01-15

Hoke, Veronica P.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523205, 524327, 524394, 524436, 524606, 524 80, C08K 530, C08K 526

Patent

active

049854852

ABSTRACT:
Fire-resistant polyamide compositions contain red phosphorus, a lanthanide-based compound, optionally glass fibers, and a hydrotalcite stabilizer having the general formula: Mg.sub.(1-a) Al.sub.a (OH).sub.2 A.sub.a/2.pH.sub.2 O in which A=SO.sub.4.sup.2- or CO.sub.3.sup.2-, O<a.ltoreq.0.5 and O<p<1; shaped articles produced therefrom exhibit an excellent compromise of properties in respect of fire resistance, resilience, arc tracking resistance and aging behavior in a hot and humid atmosphere.

REFERENCES:
patent: 3468843 (1969-09-01), Busse
patent: 4085088 (1978-04-01), Miyata et al.
patent: 4399064 (1983-08-01), Penneck
patent: 4559372 (1985-12-01), Giroud-Abel
patent: 4612339 (1986-09-01), Giroud-Abel
patent: 4675356 (1987-06-01), Miyata et al.
patent: 4729854 (1988-03-01), Miyata et al.

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