# US 2014/0194556 A1 · Blends of polyphenylene sulfones and polyphenylene sulfide resins

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- Number: US 2014/0194556 A1
- Document ID: US20140194556A1
- Status: Published application
- Kind: A1
- Application number: 13/791,586
- Filed: 2013-03-08
- Published: 2014-07-10
- Earliest claimed: 2013-01-04
- Assignees: Sabic Innovative Plastics IP B.V.
- Applicants: Sabic Innovative Plastics IP B.V.
- Inventors: Hariharan Ramalingam; Mark Sanner; Kapil Sheth
- Web page: https://patentgrep.com/patent/US20140194556A1

## CPC

- C08L 63/04: Epoxynovolacs
- C08J 3/005: {Processes for mixing polymers}
- C08J 5/00: Manufacture of articles or shaped materials containing macromolecular substances (manufacture of semi-permeable membranes B01D67/00 - B01D71/00)
- C08L 63/00: Compositions of epoxy resins; Compositions of derivatives of epoxy resins
- C08L 81/04: Polysulfides
- C08L 81/06: Polysulfones; Polyethersulfones
- C08L 101/00: Compositions of unspecified macromolecular compounds
- C08G 73/1046: {Polyimides containing oxygen in the form of ether bonds in the main chain}
- C08J 2381/04: Polysulfides
- C08J 2381/06: Polysulfones; Polyethersulfones
- C08J 2463/00: Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J 2479/08: Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08J 2481/04: Polysulfides
- C08J 2481/06: Polysulfones; Polyethersulfones
- C08K 3/00: Use of inorganic substances as compounding ingredients
- C08L 79/08: Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C09D 163/04: Epoxynovolacs
- C09D 181/04: Polysulfides
- C09D 181/06: Polysulfones; Polyethersulfones
- H01B 3/306: {Polyimides or polyesterimides}
- H01B 3/307: {Other macromolecular compounds}
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})

## Abstract

Blends of a polyphenylene sulfone (PPSU); a polyphenylene sulfide (PPS); and, a polyetherimide and epoxy. The polyetherimide and epoxy are present in an amount effective to act as a compatibilizer for the polyphenylene sulfone (PPSU) and polyphenylene sulfide (PPS). Methods of compatibilizing a blend of polyphenylene sulfone (PPSU) and polyphenylene sulfide (PPS). The method can include melt mixing a polyphenylene sulfone (PPSU) and a polyetherimide; and melt mixing a polyphenylene sulfide (PPS) and an epoxy.

## Claims

### Claim 1

A composition comprising a blend of:
a) a polyphenylene sulfone (PPSU);
b) a polyphenylene sulfide (PPS); and,
c) a polyetherimide and epoxy, wherein the polyetherimide and epoxy are present in an amount effective to act as a compatibilizer for the polyphenylene sulfone (PPSU) a polyphenylene sulfide (PPS).

### Claim 2 (depends on 1)

The composition of claim 1, wherein the composition possesses a tensile strength greater than 75 MPa, an impact strength of at least 40 J/m, and an elongation at break of at least 70%.

### Claim 3 (depends on 1)

The composition of claim 1, wherein the epoxy is an epoxy cresol novolac resin.

### Claim 4 (depends on 1)

The composition of claim 1, wherein the polyphenylene sulfide (PPS) is a linear poly(phenylene) sulfide.

### Claim 5 (depends on 1)

The composition of claim 1, wherein the morphology of the composition is fine, welt-dispersed domains of polyphenylene sulfone (PPSU) and polyphenylene sulfide (PPS).

### Claim 6 (depends on 1)

The composition of claim 1, wherein the polyetherimide is present in the range of 2.5-22.5 wt %, and the epoxy is in the range of 0.5-1.5 wt %.

### Claim 7 (depends on 1)

The composition of claim 1, wherein the composition exhibits a heat distortion temperature (HDT) of at least 87° C.

### Claim 8 (depends on 1)

The composition of claim 1, wherein the polyphenylene sulfone (PPSU) is present in the range of 24.5-74.5 wt % and the polyphenylene sulfide (PPS) is present in the range of 25-74.5 wt %.

### Claim 9 (depends on 1)

An extrudate comprising the composition of claim 1.

### Claim 10 (depends on 1)

A molded product comprising the composition of claim 1.

### Claim 11

A method of compatibilizing a blend of polyphenylene sulfone (PPSU) and polyphenylene sulfide (PPS) comprising:
a) melt mixing a polyphenylene sulfone (PPSU) and a polyetherimide; and,
b) melt mixing a polyphenylene sulfide (PPS) and an epoxy;
c) wherein step a) and b) are carried out by one of the group consisting of sequential mixing and simultaneous mixing.

### Claim 12 (depends on 11)

The method of claim 11, wherein the method is performed by a two pass method, in which an initial mixture of step a) is formed in an initial pass in an extruder and step b) is performed in a second pass through the extruder.

### Claim 13 (depends on 11)

The method of claim 11, wherein steps a) and b) are performed in a single pass in an extruder.

### Claim 14 (depends on 11)

The method of claim 11, comprising performing steps a) and b) in a twin screw, vented extruder.

### Claim 15 (depends on 14)

The method of claim 14, comprising performing the steps a) and b) at a temperature in the range of 300 to 360° C.

### Claim 16 (depends on 12)

The method of claim 12, comprising performing the step a) at a temperature in the range of 350 to 360° C.; and performing step b) at a temperature of 330 to 340° C.

### Claim 17 (depends on 14)

The method of claim 14, wherein the screws were run at a rotation of about rotations per minute (rpm) under vacuum.

### Claim 18

A method of compatibilizing a blend of polyphenylene sulfone (PPSU) and polyphenylene sulfide (PPS) comprising:
a) melt mixing a polyphenylene sulfide (PPS), a polyetherimide and an epoxy to form an initial mixture;
b) melt mixing the initial mixture of step a) with a polyphenylene sulfone (PPSU).

### Claim 19 (depends on 18)

The method of claim 18, comprising conducting steps a) and b) in a vented, twin screw extruder.

### Claim 20 (depends on 19)

The method of claim 19, wherein step a) is performed at a temperature in the range of 340 to 350 degrees Celsius, and step b) is performed at a temperature in the range of 340 to 350 degrees Celsius.

### Claim 21 (depends on 18)

The method of claim 18, wherein the blend further comprises at least one additive selected from the group consisting of glass, mica, talc, and combinations thereof.

### Claim 22 (depends on 1)

A wire coating comprising the composition of claim 1.