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US5981656A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions of poly(phenylene ether) and polyamide resins, which exhibit improved beard growth reduction

Assignee: SABIC Global Technologies BV
•
Filing: 1998-03-04
•
Granted: 1999-11-09
•
Expires: 2018-03-04
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Abstract

Abstract Improved thermoplastic compositions that are resistant to die beard growth are described herein, comprising poly(phenylene ether) resins, polyamide resins and an amount of a beard growth reducing agent selected from the group consisting of non-elastomeric polyolefin resins, partially fluorinated polyolefins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefins, effective for inhibiting beard growth. The compositions may further comprise at least one impact modifier, flow promotor or filler.

Inventors

  • 👤 Neil Andrew McGaughan
  • 👤 Gim Fun Lee, Jr.
  • 👤 Ronald James Wroczynski
  • 👤 John Bennie Yates
  • 👤 Christiaan Henricus J. Koevoets
  • 👤 Jan P. Keulen
  • 👤 Jay Kumar Gianchandani, deceased

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 01:51
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L77/00

Claims Analysis

Total Claims: 32
Claim 1
Independent Claim 103 words
A composition comprising: a) a poly(phenylene ether) resin comprising a compatibilizing poly(phenylene ether) resin; b) a polyamide resin; c) an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition; and d) an impact modifier.
Claim 2
Dependent Claim 103 words
A composition comprising: a) a poly(phenylene ether) resin comprising a compatibilizing poly(phenylene ether) resin; b) a polyamide resin; c) an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition; and d) an impact modifier.
Claim 3
Dependent Claim 19 words
The composition of claim 1, wherein the partially fluorinated polyolefin resin comprises a copolymer of 1-propene, 1,1,2,3,3,3-hexafluoropolymer with 1,1-difluoroethane.
Claim 4
Dependent Claim 67 words
The composition of claim 1, wherein the compatibilizng poly(phenylene ether) resin comprises poly(phenylene ether) resin and at least one compatibilizing agent selected from the group consisting of (a) non-polymeric polycarboxylic acids; and (b) compounds having both: (i) a carbon-carbon double bond or a carbon-carbon triple bond; and (ii) a carboxylic acid, acid anhydride, acid amide, imido, carboxylic acid ester, epoxy, amino, hydroxyl or carboxylic acid ammonium salt.
Claim 5
Dependent Claim 28 words
The composition of claim 3, wherein the compatibilizing agent is present from about 0.1% to about 8% by weight based on the weight of the poly(phenylene ether) resin.
Claim 6
Dependent Claim 23 words
The composition of claim 4, wherein the compatibilizing agent is selected from the group consisting of citric acid, fumaric acid and maleic anhydride.
Claim 7
Dependent Claim 33 words
The composition of claim 1, wherein the compatibilizing poly(phenylene ether) resin comprises a poly(phenylene ether) resin functionalized with a species selected from the group consisting of amino, hydroxy, carboxylic acid, epoxy and anhydride.
Claim 8
Dependent Claim 34 words
The composition of claim 6, wherein the compatibilizing poly(phenylene ether) resin is a poly(phenylene ether) resin functionalized with a species selected from the group consisting of a chloroepoxytriazine compound and trimellitic anhydride acid chloride.
Claim 9
Dependent Claim 14 words
The composition of claim 1, wherein the non-elastomeric polyolefin resin is a polyethylene resin.
Claim 10
Dependent Claim 78 words
The composition of claim 8, wherein the polyethylene resin is a copolymer made from at least 65% ethylene monomer with at least one olefinic monomer of the following structure: ##STR6## wherein R 1 is selected from the group consisting of C 1-10 alkylene radicals and a radical of the following structure: ##STR7## wherein R 2 is selected from the group consisting of a C 1-10 alkylene radical, a C 6-10 alicyclic radical, and a C 6-20 aromatic radical.
Claim 11
Dependent Claim 41 words
The composition of claim 9, wherein the polyethylene resin is a copolymer made from at least 65% ethylene monomer and at least one additional monomer selected from the group consisting of propylene, butylene, hexene-1, methyl acrylate, ethyl acrylate and butyl acrylate.
Claim 12
Dependent Claim 19 words
The composition of claim 1, wherein the partially fluorinated polyolefin resins are in a masterbatch of a second resin.
Claim 13
Dependent Claim 25 words
The composition of claim 1, wherein: the weight ratio of the poly(phenylene ether) resin to the polyamide resin is from about 20:80 to about 70:30.
Claim 14
Dependent Claim 19 words
The composition of claim 1, wherein the beard growth reducing agent is a copolymer of 1-propene, 1,1,2,3,3,3-hexafluoropolymer with 1,1-difluoroethane.
Claim 15
Dependent Claim 30 words
The composition of claim 1, wherein the impact modifier is present in amount from about 1% to about 15% by weight based on the total weight of the entire composition.
Claim 16
Dependent Claim 19 words
The composition of claim 14, wherein the impact modifier comprises a block copolymer of alkenyl aromatic compounds and dienes.
Claim 17
Dependent Claim 11 words
The composition according to claim 1, further comprising a flow promoter.
Claim 18
Dependent Claim 32 words
The composition according to claim 16, wherein the flow promotor is present in an amount from about 1% to about 20% by weight based on the total weight of the entire composition.
Claim 19
Dependent Claim 22 words
The composition according to claim 17, wherein the flow promotor is selected from the group consisting of polystyrene and high impact polystyrene.
Claim 20
Dependent Claim 19 words
The composition of claim 1, wherein the impact modifier is a block copolymer of alkenyl aromatic compounds and dienes.
Claim 21
Dependent Claim 23 words
The composition of claim 19, wherein the impact modifier comprises diblock copolymers, triblock copolymers, radial block copolymers, or mixtures of the foregoing copolymers.
Claim 22
Dependent Claim 17 words
The composition of claim 19, wherein the impact modifier comprises diene derived blocks that have been hydrogenated.
Claim 23
Independent Claim 105 words
A method for making a composition comprising: intimately admixing a poly(phenylene ether) resin comprising a compatibilizing poly(phenylene ether) resin, a polyamide resin, an impact modifier, and an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition.
Claim 24
Independent Claim 105 words
A method for making a composition comprising: intimately admixing a poly(phenylene ether) resin comprising a compatibilizing poly(phenylene ether) resin, a polyamide resin, an impact modifier, and an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition.
Claim 25
Dependent Claim 19 words
The method of claim 22, wherein the partially fluorinated polyolefin resin comprises a copolymer of 1-propene, 1,1,2,3,3,3-hexafluoropolymer with 1,1-difluoroethane.
Claim 26
Dependent Claim 112 words
A composition consisting essentially of: a) a poly(phenylene ether) resin consisting essentially of a compatibilizing poly(phenylene ether) resin and the poly(phenylene ether) resin; b) a polyamide resin; c) an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition; and d) an impact modifier.
Claim 27
Dependent Claim 112 words
A composition consisting essentially of: a) a poly(phenylene ether) resin consisting essentially of a compatibilizing poly(phenylene ether) resin and the poly(phenylene ether) resin; b) a polyamide resin; c) an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition; and d) an impact modifier.
Claim 28
Dependent Claim 19 words
The composition of claim 24 wherein the partially fluorinated polyolefin resin comprises a copolymer of 1-propene, 1,1,2,3,3,3-hexafluoropolymer with 1,1-difluoroethane.
Claim 29
Dependent Claim 19 words
The composition of claim 24, wherein the beard growth reducing agent is a copolymer of 1-propene, 1,1,2,3,3,3-hexafluoropolymer with 1,1-difluoroethane.
Claim 30
Dependent Claim 109 words
An article of manufacture made from a composition comprising: a) a poly(phenylene ether) resin comprising a compatibilizing poly(phenylene ether resin; b) a polyamide resin; c) an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition; and d) an impact modifier.
Claim 31
Dependent Claim 109 words
An article of manufacture made from a composition comprising: a) a poly(phenylene ether) resin comprising a compatibilizing poly(phenylene ether resin; b) a polyamide resin; c) an amount of a beard growth reducing agent selected from the group consisting of partially fluorinated polyolefin resins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefin resins, effective for inhibiting beard growth, wherein the amount of partially fluorinated polyolefin resins is between about 200 and 1000 ppm based on the total weight of the composition and the amount of non-elastomeric polyolefin resins is between about 0% to about 5% based on the total weight of the composition; and d) an impact modifier.
Claim 32
Dependent Claim 19 words
The article of claim 27, wherein the partially fluorinated polyolefin resin comprises a copolymer of 1-propene, 1,1,2,3,3,3-hexafluoropolymer with 1,1-difluoroethane.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-11-08 2003-05-10 2003-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-11-08 2007-05-10 2007-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-11-08 2011-05-10 2011-11-09 $7700.00 Window Closed / Lapsed

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