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US 4,537,925 AGranted
Polyphenylene ether blends containing electrostatically bound additive
AssigneeGeneral Electric Company
InventorBruce A. Luxon
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Abstract
Compositions of a polyphenylene ether resin, poly(alkenyl aromatic)resins having pendant highly polar ionic groups and additives capable of electrostatic bonding with the polar ionic groups are described. Especially useful as the ionic groups are sulfonate groups and as the additive are antistatic agents. The additives are more stable against losses due to migration, volatilization, washing out and the like, due to the electrostatic attraction to the ionic groups on the poly(alkenyl aromatic)resins.
Claims19
A thermoplastic composition comprising:
- (a) a polyphenylene ether resin, alone, or together with another non-ionomerized thermoplastic polymer;
- (b) an alkenyl aromatic resin having pendant polar ionic groups thereon;
- and
- (c) one or more property modifying additives bound to the pendant ionic groups of component (b) by electrostatic attraction.
1 more element
A thermoplastic composition, comprising:
- (a) from about 27.8 to about 50.0 parts by weight of a polyphenylene ether resin and from about 64.8 to about 21.4 parts by weight of non-ionomerized polystyrene resin;
- (b) from about 4.6 to about 17.9 parts by weight of a sulfonated polystyrene resin;
- and
- (c) from about 2.8 to about 10.7 parts by weight of an antistatic agent bound to the sulfonated groups of the component (b) by electrostatic attraction, based on 100 parts of (a), (b) and (c) combined.
1 more element
Dependencies are inferred from the claim text.