Flame retardant aromatic polyester molding compositions having r

Details Flame retardant aromatic polyester molding compositions having r Flame retardant aromatic polyester molding compositions having r

1989-12-11

1991-07-23

Hoke, Veronica P.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524413, 525474, C08L 8305

Patent

active

050344749

ABSTRACT:
Aromatic polyesters, such as polybutylene-terephthalate, have been found to have a reduced tendency to drip during burning, if an effective amount of a polyhydroorganosiloxane is incorporated into the polyester. A further enhancement in the non-drip behavior is achieved by the addition of an effective amount of a transition metal oxide, such as a platinum oxide, or by the modification of the polyhydroorganosiloxane with an aliphatic alcohol such as benzyl alcohol in the presence of a catalytic amount of an alkali metal alkoxide.

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