Blends of polyethersulfones and polyphenylene sulfide resins
AssigneeSabic Innovative Plasticsip B.V.
InventorsHariharan Ramalingam, Kapil Sheth
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Abstract
A composition including a blend of: a) a polyethersulfone; b) a polyphenylene sulfide (PPS); and c) an epoxy, and optionally a polyetherimide, wherein the polyetherimide and epoxy are present in an amount effective to act as a compatibilizer for the polyethersulfone and polyphenylene sulfide (PPS). Methods of compatibilizing a blend of polyethersulfone and polyphenylene sulfide (PPS). The method can include melt mixing a polyethersulfone, and polyetherimide, a polyphenylene sulfide (PPS) and an epoxy under conditions of elevated temperature and simultaneous mixing.
Claims20
A composition comprising a blend of:
- a) a polyethersulfone;
- b) a polyphenylene sulfide (PPS);
- and,
- c) an epoxy, and optionally a polyetherimide, wherein the polyetherimide and epoxy are present in an amount effective to act as a compatibilizer for the polyethersulfone and polyphenylene sulfide (PPS).
A method of compatibilizing a blend of polyethersulfone and polyphenylene sulfide (PPS) comprising:
- melt mixing a polyethersulfone, a polyetherimide, a polyphenylene sulfide (PPS) and an epoxy under conditions of elevated temperature and simultaneous mixing.
The method of claim 14, wherein the elevated temperature is in the range of 300 to 350° C.
Dependencies are inferred from the claim text.