Process for preparing flame retardant polyamide molding resins c

Details Process for preparing flame retardant polyamide molding resins c Process for preparing flame retardant polyamide molding resins c

1990-06-08

1991-08-06

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524101, 524287, 524314, 524606, C08K 53492, C08K 511, C08K 505

Patent

active

050378694

ABSTRACT:
An improved process is disclosed for preparing flame retardant polyamide molding resins containing melamine cyanurate as a flame retarding agent which results in products with improved mechanical properties and good flame retarding properties. It comprises the addition of a glycol and a phthalate ester to the process wherein a polyamide, melamine or derivatives thereof and cyanuric acid are melt-blended in the presence of water.

REFERENCES:
patent: 2456344 (1948-12-01), Vaala
patent: 4085080 (1978-04-01), Elbert
patent: 4298518 (1981-11-01), Ohmura et al.
patent: 4321189 (1982-03-01), Ohshita et al.
patent: 4363890 (1982-12-01), Ohshita et al.
patent: 4452931 (1984-06-01), Okamoto et al.

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