WO2021074017A1 - Poly(arylene sulfide) polymers and corresponding polymer compositions and articles - Google Patents
Poly(arylene sulfide) polymers and corresponding polymer compositions and articles Download PDFInfo
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- WO2021074017A1 WO2021074017A1 PCT/EP2020/078357 EP2020078357W WO2021074017A1 WO 2021074017 A1 WO2021074017 A1 WO 2021074017A1 EP 2020078357 W EP2020078357 W EP 2020078357W WO 2021074017 A1 WO2021074017 A1 WO 2021074017A1
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- 229920000642 polymer Polymers 0.000 title claims abstract description 212
- 239000000203 mixture Substances 0.000 title claims abstract description 76
- -1 Poly(arylene sulfide Chemical compound 0.000 title claims abstract description 19
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- 238000000034 method Methods 0.000 claims description 21
- 150000003464 sulfur compounds Chemical class 0.000 claims description 16
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- 239000012745 toughening agent Substances 0.000 claims description 13
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 9
- 229910052977 alkali metal sulfide Inorganic materials 0.000 claims description 8
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- 125000000524 functional group Chemical group 0.000 claims description 7
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- 239000002243 precursor Substances 0.000 claims description 7
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- QHWKHLYUUZGSCW-UHFFFAOYSA-N Tetrabromophthalic anhydride Chemical compound BrC1=C(Br)C(Br)=C2C(=O)OC(=O)C2=C1Br QHWKHLYUUZGSCW-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- XSAOTYCWGCRGCP-UHFFFAOYSA-K aluminum;diethylphosphinate Chemical compound [Al+3].CCP([O-])(=O)CC.CCP([O-])(=O)CC.CCP([O-])(=O)CC XSAOTYCWGCRGCP-UHFFFAOYSA-K 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 229940058344 antitrematodals organophosphorous compound Drugs 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- WXCZUWHSJWOTRV-UHFFFAOYSA-N but-1-ene;ethene Chemical compound C=C.CCC=C WXCZUWHSJWOTRV-UHFFFAOYSA-N 0.000 description 1
- LKAVYBZHOYOUSX-UHFFFAOYSA-N buta-1,3-diene;2-methylprop-2-enoic acid;styrene Chemical compound C=CC=C.CC(=C)C(O)=O.C=CC1=CC=CC=C1 LKAVYBZHOYOUSX-UHFFFAOYSA-N 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- PSLLHWNSDFLVDT-UHFFFAOYSA-L calcium dioxidophosphanium Chemical class [Ca+2].[O-][PH2]=O.[O-][PH2]=O PSLLHWNSDFLVDT-UHFFFAOYSA-L 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 1
- UGQQAJOWXNCOPY-UHFFFAOYSA-N dechlorane plus Chemical compound C12CCC3C(C4(Cl)Cl)(Cl)C(Cl)=C(Cl)C4(Cl)C3CCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl UGQQAJOWXNCOPY-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- FLBJFXNAEMSXGL-UHFFFAOYSA-N het anhydride Chemical compound O=C1OC(=O)C2C1C1(Cl)C(Cl)=C(Cl)C2(Cl)C1(Cl)Cl FLBJFXNAEMSXGL-UHFFFAOYSA-N 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000003392 indanyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 210000001611 motor endplate Anatomy 0.000 description 1
- DADSZOFTIIETSV-UHFFFAOYSA-N n,n-dichloroaniline Chemical compound ClN(Cl)C1=CC=CC=C1 DADSZOFTIIETSV-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920000110 poly(aryl ether sulfone) Polymers 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920006260 polyaryletherketone Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000005495 pyridazyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229920006126 semicrystalline polymer Polymers 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- YKIBJOMJPMLJTB-UHFFFAOYSA-M sodium;octacosanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCCCCCCCCCCCC([O-])=O YKIBJOMJPMLJTB-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- GTOWTBKGCUDSNY-UHFFFAOYSA-K tris[[ethyl(methyl)phosphoryl]oxy]alumane Chemical compound [Al+3].CCP(C)([O-])=O.CCP(C)([O-])=O.CCP(C)([O-])=O GTOWTBKGCUDSNY-UHFFFAOYSA-K 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- AKUSJWHFFBLJLN-UHFFFAOYSA-L zinc dioxidophosphanium Chemical class [Zn+2].[O-][PH2]=O.[O-][PH2]=O AKUSJWHFFBLJLN-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/0227—Polyarylenethioethers derived from monomers containing two or more aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/025—Preparatory processes
- C08G75/0259—Preparatory processes metal hydrogensulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/025—Preparatory processes
- C08G75/0268—Preparatory processes using disulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
Definitions
- the invention relates to poly(arylene sulfide) (“PAS”) polymers having an outstanding thermal properties and mechanical properties.
- PAS poly(arylene sulfide)
- the invention also relates to PAS polymer compositions, methods of making PAS polymers and PAS compositions and articles incorporating the PAS polymer and PAS polymer compositions.
- Poly(arylene sulfide) (“PAS”) polymers having pendant amines are desirable at least because the amine can react with many types of functional groups including, but not limited to, carboxylic acids, carboxylates, anhydrides, epoxides, urethanes, amides, ketones, isocyanates, urea, halogens, activated ethers, esters, and acid chlorides.
- functional groups including, but not limited to, carboxylic acids, carboxylates, anhydrides, epoxides, urethanes, amides, ketones, isocyanates, urea, halogens, activated ethers, esters, and acid chlorides.
- the ability of the pendant amines to react with a wide variety of functional groups increases the compatibility between PAS polymers and other polymers in PAS polymer blends, relative to analogous PAS polymers free of pendant amine groups.
- the invention relates to a poly(arylene sulfide) (“PAS”) polymer (PASP) comprising recurring units RPASI and RPAS2, represented by the following formulae, respectively:
- PAS poly(arylene sulfide)
- R and R’ at each instance, is independently selected from the group consisting of a Ci- Ci2 alkyl group, a C7-C24 alkylaryl group, a C7-C24 aralkyl group, a C 6 -C24 arylene group, and a C6-C18 aryloxy group;
- T is selected from the group consisting of a bond, -CO-, -SO2-, -0-, -C(CH3)2, phenyl and -CH2-; i, at each instance, is an independently selected integer from 0 to 4; and - j and k, at each instance, are an independently selected integer from 0 to 3;
- the PAS polymer (PASP) comprises a Tg of at least 95° C. Additionally or alternatively, in some embodiments, the PAS polymer (PASP) comprises a Tm of at least 200 °C. In still further additional or alternative embodiments, the PAS polymer (PASP) comprises an impact strength at least 30 J/g, as determined according to ASTM D256.
- the invention in a second aspect, relates to a polymer composition (PC) comprising the PAS polymer (PASP) and an additional polymer comprising a functional group selected from the group consisting of a carboxylic acid, a carboxylate, an anhydride, an epoxide, a urethane, an amide, a ketone, an isocyanate, a urea, a halogen, an activated ether, an ester, and an acid chloride.
- the additional polymer is a is a thermoplastic polymer.
- the additional polymer is a is a thermoset polymer or thermoset precursor.
- the polymer composition (PC) comprises a fibrous reinforcing filler or a toughener, preferably a fibrous reinforcing filler.
- the invention relates to an automotive component, an aerospace component, or oil and gas component comprising the PAS polymer (PASP) or the polymer composition (PC).
- PASP PAS polymer
- PC polymer composition
- the invention relates to a method of making the PAS polymer (PASP), the method comprising reacting in a reaction mixture a dihaloaromatic compound having the following formula: C1-AP-C2; a dihalocarbazole containing monomer having the following formula: X3-An-X4; and a sulfur compound, wherein Xi to X4 are independently selected halogens, and the sulfur compound is selected from the group consisting of thiosulfates, thioureas, thioamides, elemental sulfur, thiocarbamates, metal disulfides and oxysulfides, thiocarbonates, organic mercaptans, organic mercaptides, organic sulfides, alkali metal sulfides and bisulfides, and hydrogen sulfide; preferably the sulfur compound is an alkali metal sulfide; most preferably the sulfur compound is Na2S.
- PAS poly(arylene sulfide)
- PASP poly(arylene sulfide)
- PASP poly(arylene sulfide)
- Tg glass transition temperatures
- dihalocarbazole containing monomers can be incorporated into PAS polymers at desirable concentrations to provide improved amine content while maintaining a high molecular weight.
- Traditional methods of introducing amine content into a PAS polymer involve copolymerization with dichloroaniline (“DCA”) (e.g. 3,5-DCA).
- DCA dichloroaniline
- PAS polymers with desirable dihalocarbazole comonomer concentrations high molecular weight PAS polymers is obtained only when the dihalocarbazole containing monomers has the halogens in the 2,7- positions.
- free of’ a given recurring unit means that the concentration of the given recurring unit in the PAS polymer (PASP) is less than 1 mol%, preferably less than 0.5 mol%, more preferably less than 0.1 mol%, still more prefereably less than 0.01 mol%, even more preferably less than 0.001 mol%, and most preferably, 0 mol% (undetectable).
- the element or component can also be any one of the individual recited elements or components, or can also be selected from a group consisting of any two or more of the explicitly listed elements or components; any element or component recited in a list of elements or components may be omitted from such list.
- any recitation herein of numerical ranges by endpoints includes all numbers subsumed within the recited ranges as well as the endpoints of the range and equivalents.
- alkyl as well as derivative terms such as “alkoxy”, “acyl” and “alkylthio”, as used herein, include within their scope straight chain, branched chain and cyclic moieties. Examples of alkyl groups are methyl, ethyl, 1 -methyl ethyl, propyl, 1,1-dimethylethyl, and cyclo-propyl.
- each alkyl and aryl group may be unsubstituted or substituted with one or more substituents selected from but not limited to halogen, hydroxy, sulfo, C1-C 6 alkoxy, C1-C 6 alkylthio, C1-C 6 acyl, formyl, cyano, C 6 -C15 aryloxy or C 6 -C15 aryl, provided that the substituents are sterically compatible and the rules of chemical bonding and strain energy are satisfied.
- halogen or “halo” includes fluorine, chlorine, bromine and iodine, with fluorine being preferred.
- aryl refers to a phenyl, indanyl or naphthyl group.
- the aryl group may comprise one or more alkyl groups, and are called sometimes in this case “alkylaryl”; for example may be composed of an aromatic group and two C1-C 6 groups (e.g. methyl or ethyl).
- the aryl group may also comprise one or more heteroatoms, e.g. N, O or S, and are called sometimes in this case “heteroaryl” group; these heteroaromatic rings may be fused to other aromatic systems.
- heteroaromatic rings include, but are not limited to furanyl, thienyl, pyrrolyl, pyrazolyl, imidazolyl, triazolyl, isoxazolyl, oxazolyl, thiazolyl, isothiazolyl, pyridyl, pyridazyl, pyrimidyl, pyrazinyl and triazinyl ring structures.
- the aryl or heteroaryl substituents may be unsubstituted or substituted with one or more substituents selected from but not limited to halogen, hydroxy, C1-C 6 alkoxy, sulfo, C1-C 6 alkylthio, C1-C 6 acyl, formyl, cyano, C 6 -C15 aryloxy or C 6 -C15 aryl, provided that the substituents are sterically compatible and the rules of chemical bonding and strain energy are satisfied.
- the PAS polymer includes recurring unit (RPASI) and recurring unit (RPAS2) represented by the following formulae, respectively:
- R at each instance, is independently selected from the group consisting of a C1-C12 alkyl group, a C7-C24 alkylaryl group, a C7-C24 aralkyl group, a C6-C24 arylene group, and a C6-C18 aryloxy group
- T is selected from the group consisting of a bond, -CO-, -SO2-, -0-, -C(CH3)2, phenyl and -CH2-;
- i at each instance, is an independently selected integer from 0 to 4; and
- j at each instance, is an independently selected integer from 0 to 3.
- each benzyl ring in the formulae above have 4-i hydrogens (Formulae (3) and (4)) or 3-j hydrogens (Formula (5)). Accordingly, when i or j is zero, the corresponding benzyl rings are unsubstituted. Similar notation is used throughout the present description. Additionally, each formula (3) to (5) contains two dashed bonds, where one bond is to the explicit sulfur atom in the recurring unit (RPASI) and the other is a bond to an atom outside the recurring unit (RPASI) ( e.g . an adjacent recurring unit). Analogous notation is used throughout.
- i and j at each instance, is zero.
- -Ari- is represented by either Formula (3) or (4), more preferably Formula (3) ([-Ari-S-] corresponding to recurring units of polyphenylene sulfide), still more preferably, -Ari- is represented by the following formula:
- -Ari- is represented by Formula (6), where i is zero.
- -Ar2- is represented by either one of the following formulae: where R’, at each instance, is independently selected from the group consisting of a C1-C12 alkyl group, a C7-C24 alkylaryl group, a C7-C24 aralkyl group, a C6-C24 arylene group, and a C6-C18 aryloxy group; and k, at each instance, is an independently selected integer from 0 to 3.
- k, at each instance is zero ( e.g . -An- is formed from a 2,7-dihalocarbazole).
- the total concentration of recurring units (RPASI) and (RPAS2) in the PAS polymer is at least 50 mol%, at least 60 mol%, at least 70 mol%, at least 80 mol%, at least 90 mol%, at least 95 mol%, at least 98 mol%, at least 99 mol% or at least 99.9 mol%,.
- the molar concentration of recurring units in a polymer is relative to the total number of recurring units in that polymer, unless explicitly stated otherwise.
- the concentration of recurring unit is at least 50 mol%, at least 60 mol%, at least 70 mol%, at least 80 mol%, at least 85 mol%, at least 88 mol%, at least 90 mol%, at least 95 mol%, at least 97 mol%, at least 98 mol%, at least 98.5 mol%, or at least 99 mol%.
- the concentration of recurring unit (RPAS2) is at least 0.5 mol%, at least 1 mol%, at least 1.5 mol%, at least 2 mol% or at least 2.5 mol%. In some embodiments, the concentration of recurring unit (RPAS2) is no more than 15 mol%, no more than 12 mol%, no more than 10 mol%, or no more than 8 mol%.
- the number of moles of recurring unit is from 0.5 mol% to 15 mol%, from 0.5 mol% to 12 mol%, from 0.5 mol% to 10 mol%, from 0.5 mol% to 8 mol%, from 1 mol% to 15 mol%, from 1 mol% to 12 mol%, from 1 mol% to 10 mol%, from 1 mol% to 8 mol%, from 2 mol% to 8 mol% or from 2.5 mol% to 8 mol%.
- the ratio of the number of recurring unit (RPAS2) to the total number of recurring units (RPASI) and (RPAS2) is at least 1 mol%, at least 1.5 mol%, at least 2 mol% or at least 2.5 mol%. In some embodiments, the ratio of the number of recurring unit (RPAS2) to the total number of recurring units (RPASI) and (RPAS2) is no more than 15 mol%, no more than 12 mol%, no more than 10 mol%, or no more than 8 mol%.
- the ratio of the number of recurring unit (RPAS2) to the total number of moles of recurring units (RPASI) and (RPAS2) is from 1 mol% to 15 mol%, from 1 mol% to 12 mol%, from 1 mol% to 10 mol%, from 1 mol% to 8 mol%, from 2 mol% to 8 mol% or from 2.5 mol% to 8 mol%.
- the PAS polymer (PASP) has higher concentrations of recurring unit (RPAS2).
- the concentration of recurring unit (RPAS2) is from 0.5 mol% to no more than 99 mol%, no more than 80 mol%, no more than 70 mol%, no more than 60 mol%, no more than 50 mol%, no more than 40 mol%, no more than 30 mol% or no more than 20 mol%.
- the PAS polymer can have additional recurring units, each distinct from each other and distinct from recurring units (RPASI) and (RPAS2).
- the PAS polymer includes one or more additional recurring units according to Formula (1) or one or more additional recurring units according to Formula (2).
- the total concentration of recurring units according to Formulae (1) and (2) is within the ranges given above for recurring units (RPASI) and (RPAS2), and the ratio of the total number of recurring units according to Formula (1) to the total number of recurring units according to Formulae (1) and (2) are within the ranges above given for recurring units (RPASI) and (RPAS2).
- the concentration of the additional recurring units according to Formulae (1) and (2), as well as the number of additional recurring units according to Formula (1) to the total number of recurring units according to Formulae (1) and (2), is distinct from the ranges above given for recurring units (RPASI) and (RPAS2).
- the PAS polymer has a weight average molecular weight (“M w ”) of at least 10,000 g/mol, at least 20,000 g/mol, at least 25,000 g/mol, at least 30,000 g/mol, or at least 35,000 g/mol. In some embodiments, the PAS polymer has an M w of no more than 150,000 g/mol, no more than 100,000 g/mol, no more than 90,000 g/mol, no more than 85,000 g/mol, or no more than 80,000 g/mol.
- M w weight average molecular weight
- the PAS polymer has an M w of from 10,000 g/mol to 150,000 g/mol, from 20,000 g/mol to 100,000 g/mol, from 25,000 g/mol to 90,000 g/mol, from 30,000 g/mol to 85,000 g/mol, or from 35,000 g/mol to 80,000 g/mol.
- M w can be measured as described in the Examples below.
- the PAS polymer can be amorphous or semi-crystalline.
- an amorphous polymer has an enthalpy of fusion (“DHG”) of no more than 5 Joules/g (“J/g”).
- DHG enthalpy of fusion
- J/g Joules/g
- the PAS polymer is semi-crystalline.
- the PAS polymer has a DEE of at least 10 J/g, at least 20 J/g, at least, or at least 25 J/g.
- the PAS polymer has a DEE of no more than 90 J/g, no more than 70 J/g or no more than 60 J/g. In some embodiments, the PAS polymer has a DEE of from 10 J/g to 90 J/g or from 20 J/g to 70 J/g. DEE can be measured as described in the Examples below.
- the PAS polymer has a Tg of at least 95 °C or at least 99 °C. In some embodiments, the PAS polymer has a Tg of no more than 200 °C or no more than 150 °C. In some embodiments, the PAS polymer has a Tg of from 95° C to 200 °C, from 99° C to 150 °C, from 95 °C to 200 °C, or from 99 °C to 150 °C. In some embodiments, the PAS polymer has a melting temperature (“T m ”) of at least 200 °C, at least 220 °C, at least 240 °C, or at least 250 °C.
- T m melting temperature
- the PAS polymer has a T m of no more 350 °C, no more than 320 °C, no more than 300 °C, or no more than 285 °C. In some embodiments, the PAS polymer has a T m of from 200 °C to 350 °C, from 220 °C to 320 °C, from 240 °C to 300 °C, or from 250 °C to 285 °C. In some embodiments, the PAS polymer has a crystallization temperature (“T c ”) of at least 140 °C or at least 150 °C. In some embodiments, the PAS polymer has a T c of no more than 250 °C, or no more than 220 °C.
- the PAS polymer has a T c of from 140 °C to 250 °C or from 150 °C to 220 °C.
- Tg, T m and Tc can be measured as described in the Examples below.
- the PAS polymer (PASP) is amorphous and it has a Tg of at least 90 °C, at least 95 °C, or at least 100 °C.
- the PAS polymer (PASP) has an impact strength of at least 30 Joules per gram (“J/g”), or at least 35 J/g. In some embodiments, the PAS polymer (PASP) has an impact strength of no more than 150 J/g or no more than 125 J/g. In some embodiments, the PAS polymer has an impact strength of from 30 J/g to 150 J/g, from 35 J/g to 150 J/g, from 30 J/g to 125 J/g, from 35 J/g to 125 J/g. Unless explicitly stated otherwise, as used herein, impact strength refers to notched-Izod impact strength, measured as described in the Examples below. Synthesis of the PAS Polymer
- the PAS polymer can be synthesized by methods known in the art.
- the PAS polymer synthesis includes a polymerization process and a subsequent recovery process.
- the polymerization process includes a polymerization reaction, in which a dihaloaromatic monomer, a dihalocarbazole containing monomer (distinct from the first dihaloaromatic monomer) and a sulfur compound are polymerized in a solvent to form the PAS polymer, and a termination, in which the polymerization reaction is stopped.
- the polymerization reaction involves reacting in a reaction mixture a dihaloaromatic compound having the following formula: C1-AP-C2; a dihalocarbazole containing monomer having the following formula: X3-An-X4; and a sulfur compound (collectively, “reaction components”) in a polymerization solvent according to the following scheme:
- Xi to X4 are independently selected halogens, -An- and -An- are as given above, and SC is a sulfur compound described below.
- Xi and X2 are the same halogen and X3 and X4 are the same halogen. More preferably, Xi and X2 are both chlorine or X3 and X4 are both bromine. In some embodiments, Xi and X2 are both chlorine and X3 and X4 are both bromine.
- C1-AP-C2 is a para-dihalobenze, most preferably para-dichlorobenzene.
- X3-An-X4 is 2,7-dibromocarbazole.
- RPASI recurring units
- RPAS2 recurring units
- RPAS2 recurring units
- X3- Ar2-X4 is a 2,7-dihalocarbazole (k, at each instance, is zero).
- the reaction components can further include a molecular weight modifying agent.
- the sulfur compound (SC) is selected from the group consisting of thiosulfates, thioureas, thioamides, elemental sulfur, thiocarbamates, metal disulfides and oxysulfides, thiocarbonates, organic mercaptans, organic mercaptides, organic sulfides, alkali metal sulfides and bisulfides, and hydrogen sulfide.
- the sulfur compound is an alkali metal sulfide.
- the alkali metal sulfide is generated in situ from an alkali metal hydrosulfide and an alkali metal hydroxide.
- Na2S is a particularly desirable alkali metal sulfide. Na2S can be generated in situ from NaSH and NaOH.
- the polymerization solvent is selected such that it is a solvent for reaction components at the reaction temperature (discussed below).
- the polymerization solvent is a polar aprotic solvent.
- desirable polar aprotic solvents include, but are not limited to, hexamethylphosphoramide, tetramethylurea, n,n-ethylenedipyrrolidone, n-methyl-2- pyrrolidone (“NMP”), pyrrolidone, caprolactam, n-ethylcaprolactam, sulfolane, h,h'- dimethylacetamide, and l,3-dimethyl-2-imidazolidinone.
- the polymerization solvent is NMP.
- NMP can react with NaOH to form n-methyl-l,4-aminobutanoate (“SMAB”).
- the reaction components further include a molecular weight modifying agent.
- the molecular weight modifying agent increases the molecular weight of the PAS polymer, relative to a synthesis scheme not including the molecular weight modifying agent.
- the molecular weight modifying agent is an alkali metal carboxylate.
- Alkali metal carboxylate are represented by the formula: R'CCkM', where R' is selected from the group consisting of a Ci to C20 hydrocarbyl group, a Ci to C20 hydrocarbyl group and a Ci to C5 hydrocarbyl group; and M' is selected from the group consisting of lithium, sodium, potassium, rubidium or cesium.
- M' is sodium or potassium, most preferably sodium.
- the alkali metal carboxylate is sodium acetate.
- the polymerization reaction is performed by contacting the reaction components at a reaction temperature selected such that C1-AP-C2, X3-An-X4 and SC polymerize to form the PAS polymer.
- the reaction temperature is from 170°C to 450°C, or from 200°C to 285°C.
- the reaction time time duration of the polymerization reaction
- the pressure is selected to maintain the reaction components in the liquid phase.
- the reaction pressure can be from 0 pounds per square inch gauge (“psig”) to 400 psig, from 30 psig to 300 psig, or from 100 psig to 250 psig.
- the polymerization reaction can be terminated by cooling the reaction mixture to a temperature at which the polymerization reaction ceases.
- “Reaction mixture” refers to the mixture formed during the polymerization reaction and contains any remaining reaction components, formed PPS polymer and reaction by-products.
- the cooling can be performed using a variety of techniques known in the art. In some embodiments, the cooling can be done by flashing rapidly the reaction mixture. In some embodiments, the cooling can include liquid quenching. In liquid quenching, a quench liquid is added to the reaction mixture to cool the reaction mixture. In some embodiments, the quench liquid is selected from the group consisting of the polymerization solvent, water and a combination thereof. In some embodiments, the temperature of the quench liquid can be from about 15°C to 99°C.
- the temperature of the quench liquid can be from 54°C to 100°C (e.g. in embodiments in which the quench liquid is the solvent) or from 15°C to 32°C (e.g. in embodiments in which the quench liquid is water).
- the cooling can be further facilitated by use of a reactor jacket or coil, to cool the reaction vessel in which the polymerization reaction is performed (“polymerization reactor”).
- polymerization reactor For clarity, termination of the polymerization reaction does not imply that complete reaction of the reaction components. Generally, termination is initiated at a time when the polymerization reaction is substantially complete or reaches the targeted yield or when further reaction of the reaction components would not result in a significant increase in average molecular weight of the PAS polymer.
- the PAS polymer After termination, the PAS polymer is present as a PAS polymer mixture.
- the PAS polymer mixture includes water, the polymerization solvent, reaction by-products including salts (e.g. sodium chloride and sodium acetate); PAS oligomers, and any unreacted reaction components (collectively, “post-reaction compounds”).
- the PAS polymer mixture is present as a slurry, having a liquid phase and a solid phase containing the PAS polymer (precipitates from the solvent during liquid quenching or during the flashing).
- the PAS polymer mixture can be present as wet PAS polymer, for example, by filtration of the slurry after termination.
- PAS polymer synthesis including polymerization and termination, and recovery, including water treatment, acid treatment and metal cation treatment, is discussed in US patent application publication number, 2015/0175748 to Fodor et al ., filed December 19, 2013 (“the ‘748 patent”) and incorporated by reference herein in its entirety.
- the recovery process includes one or more washes, where each wash includes contacting the PAS polymer formed during polymerization with a liquid.
- the liquid of each wash is independently selected from water, aqueous acid, and an aqueous metal cation solution. Examples of post-reaction recovery processes are discussed in the ‘748 patent. Based upon the disclosure herein, the person of ordinary skill in the art will know how to select a recovery process to obtain the PAS polymer described herein.
- the PAS polymer mixture can be dried.
- the drying can be performed at any temperature which can substantially dry the PAS polymer mixture, to yield a dried PAS polymer.
- the drying process is selected to help prevent oxidative curing of the PAS polymer.
- the drying process is conducted at a temperature of at least 100°C, the drying can be conducted in a substantially non-oxidizing atmosphere (e.g, in a substantially oxygen free atmosphere or at a pressure less than atmospheric pressure, for example, under vacuum).
- a substantially non-oxidizing atmosphere e.g, in a substantially oxygen free atmosphere or at a pressure less than atmospheric pressure, for example, under vacuum.
- the drying process can be facilitated by performing the drying at a pressure less than atmospheric pressure so the liquid component can be vaporized from the PAS polymer mixture.
- a gaseous oxidizing atmosphere e.g. air
- the polymer composition (PC) includes the PAS polymer and at least one other component selected from the group consisting of selected from the group consisting of additional polymers, thermoset precursors (e.g. epoxy resins), harderners (e.g. aliphatic, cycloaliphatic and aromatic monoamines and polyamines), reinforcing agents, tougheners, plasticizers, colorants, pigments, antistatic agents, dyes, lubricants, thermal stabilizers, light stabilizers, flame retardants (including, but not limited to, halogen free flame retardants), nucleating agents and antioxidants.
- thermoset precursors e.g. epoxy resins
- harderners e.g. aliphatic, cycloaliphatic and aromatic monoamines and polyamines
- reinforcing agents e.g. epoxy resins
- tougheners e.g. epoxy resins
- plasticizers e.g. epoxy resins
- colorants e.g. epoxy resins
- pigments e.g.
- the concentration of the PAS polymer in the polymer composition (PC) is at least 1 wt.%, at least 5 wt. %, at least 10 wt. % by weight, at least 20 wt. % or at least 40 wt. %. In some embodiments, the concentration of the PAS polymer in the polymer composition (PC) is no more than 99.95 wt.%, no more than 99 wt.%, no more than 95 wt.%, no more than 90 wt.%, no more than 85 wt.%, no more than 80 wt. %, no more than 70 wt. % or no more than 60 wt. %.
- the concentration of the PAS polymer in the polymer composition (PC) is from 20 wt.% to 99.95 wt.%, from 20 wt.% to 95 wt.%, from 20 wt.% to 85 wt%, from 20 wt.% to 80 wt.%, from 20 wt.% to 70 wt.%, or from 20 wt.% to 60 wt.%.
- concentration of a component in the polymer composition is relative to the total weight of the polymer composition (PC), unless explicitly stated otherwise.
- the PAS polymer (PASP) can be desirably incorporated into polymer blends, in which the polymer compositions (PC) includes the PAS polymer (PASP) and an additional polymer as described below.
- the pendant amine of the PAS polymer (PASP) (from the dihalocarbazole containing monomer) can react with a wide variety of functional groups including, but not limited to, a carboxylic acid, a carboxylate, an anhydride, an epoxide, a urethane, an amide, a ketone, an isocyanate, a urea, a halogen, an activated ether, an ester, and an acid chloride.
- the polymer composition (PC) can include the PAS polymer (PASP) and an additional polymer containing functional group selected from the group consisting of carboxylic acids, carboxylates, anhydrides, epoxides, urethanes, amides, ketones, isocyanates, urea, halogens, activated ethers, esters, and an acid chlorides.
- the functional group can be present at the chain ends of the polymer or on the backbone of the polymer (i.e.. in recurring units not terminating the polymer chain).
- the additional polymer is a thermoplastic polymer.
- the additional polymer is selected from the group consisting of a poly(aryl ether sulfone), a polyamide, a polyamideimide, a liquid crystal polymer, a polyimide, a polyetherimide, a poly(aryl ether ketone), a polyurethane, a polyesters, and a polycarbonate.
- the additional polymer is a thermoset polymer or thermoset precursor.
- the additional polymer is selected from the group consisting of an epoxy resin, an epoxy novolac resin, a benzoxazine, a bismaleimide, a polyacid amic solutions, a polyester thermosetting resin, a vinyl ester, a cyanate ester, and a urea-formaldehyde resin.
- the polymer composition (PC) can include a plurality of additional polymers as described above, which can be all thermoplastic polymers, all thermoset polymers, or a mixture thereof.
- the polymer composition (PC) further includes a reinforcing agent (also called reinforcing fibers or fillers). They can be selected from fibrous and particulate reinforcing agents.
- a fibrous reinforcing filler is considered herein to be a material having length, width and thickness, wherein the average length is significantly larger than both the width and thickness. Generally, such a material has an aspect ratio, defined as the average ratio between the length and the largest of the width and thickness of at least 5, at least 10, at least 20 or at least 50.
- the reinforcing fibers e.g . glass fibers or carbon fibers
- the reinforcing fibers have an average length of from 3 mm to 10 mm, from 3 mm to 8 mm, from 3 mm to 6 mm, or from 3 mm to 5 mm. In alternative embodiments, the reinforcing fibers have an average length of from 10 mm to 50 mm, from 10 mm to 45 mm, from 10 mm to 35 mm, from 10 mm to 30 mm, from 10 mm to 25 mm or from 15 mm to 25 mm.
- the average length of the reinforcing fibers can be taken as the average length of the reinforcing fibers prior to incorporation into the polymer composition (PC) or can be taken as the average length of the reinforcing fiber in the polymer composition (PC). In the case of glass fibers, they can be round (circular cross section) or flat (non-circular cross-section including, but not limited to, oval, elliptical or rectangular).
- the reinforcing filler may be selected from mineral fillers (such as talc, mica, kaolin, calcium carbonate, calcium silicate, magnesium carbonate), glass fibers, carbon fibers, synthetic polymeric fibers, aramid fibers, aluminum fibers, titanium fibers, magnesium fibers, boron carbide fibers, rock wool fibers, steel fibers and wollastonite.
- mineral fillers such as talc, mica, kaolin, calcium carbonate, calcium silicate, magnesium carbonate
- glass fibers are preferred; they include chopped strand A-, E-, C-, D-, S- and R-glass fibers, as described in chapter 5.2.3, p. 43-48 of Additives for Plastics Handbook, 2nd edition, John Murphy.
- the filler is chosen from fibrous fillers. It is more preferably a reinforcing fiber that is able to withstand the high temperature applications.
- the concentration of the reinforcing agent (e.g . glass or carbon fibers) in the polymer composition (PC) is at least 5 wt.%, at least 10 wt.%, at least 15 wt.% or at least 20 wt.%. In some embodiments, the concentration of the reinforcing agent in the polymer composition (PC) is no more 70 wt.%, no more than 65 wt.% or no more than 60 wt.%.
- the concentration of the reinforcing agent in the polymer composition (PC) is from 5 wt.% to 70 wt.%, from 10 wt.% to 70 wt.%, from 10 wt.% to 65 wt.%, from 10 wt.% to 60 wt.%, from 15 wt.% to 60 wt.%, or from 20 wt.% to 60 wt.%.
- the polymer composition (PC) further includes a flame retardant.
- the flame retardant can be a halogen-free flame retardant or a halogenated flame retardant.
- the flame retardant is a halogen-free flame retardant.
- Halogen-free flame retardants include, but are not limited to, organophosphorous compounds selected from the group consisting of phosphinic salts (“phosphinates”), diphosphinic salts (“diphosphinates”) and condensation products thereof. Phosphinates are preferred organophosphorous compound. Suitable phosphinates include, but are not limited to, those described in U.S. Pat. No. 6,365,071 to Jenewein et al ., issued on April 2, 2002 and incorporated herein by reference.
- Particularly preferred phosphinates are aluminum phosphinates, calcium phosphinates, and zinc phosphinates.
- aluminum phosphinates aluminium ethylmethylphosphinate and aluminium diethylphosphinate and combinations thereof are preferred.
- Halogenated flame retardants include, but are not limited to, l,2-bis(tribromophenoxy)ethane, brominated epoxy oligomers, brominated polystyrene, chlorendic anhydride, chlorinated paraffins, decabromobiphenyl, decabromodiphenylethane, decabromodiphenyloxide, dechlorane plus, dibromoneopentylglycol, ethylene-bis(5,6- dibromonorbomane-2,30dicarboximide), ethylene-bis(tetrabromophthalimide), halogenated polyetherpolyols, hexabromocyclododecane, octabromodiphenyloxide, octabromotrimethylphenylindane, pentabromodiphenyloxide, poly(dibromostyrene), poly(pentabromobenzylacrylate), tetrabromo-bisphenol-A
- the concentration of the flame retardant in the polymer composition (PC) is at least 1 wt.%, at least 3 wt.%, or at least 5 wt.%. In some embodiments, the concentration of the flame retardant in the polymer composition (PC) is no more than 30 wt.%, no more than 25 wt.%, or no more than 20 wt.%. In some embodiments, the concentration of the flame retardant in the polymer composition (PC) is from 1 wt.% to 30 wt.%, from 3 wt.% to 25 wt.%, or from 5 wt.% to 20 wt.%.
- the polymer composition (PC) may also include a toughener.
- a toughener is generally a low T polymer, with a T for example below room temperature, below 0°C or even below -25° C. As a result of its low Tg, the toughener are typically elastomeric at room temperature. Tougheners can be functionalized polymer backbones.
- the polymer backbone of the toughener can be selected from elastomeric backbones comprising polyethylenes and copolymers thereof, e.g. ethylene-butene; ethylene-octene; polypropylenes and copolymers thereof; polybutenes; polyisoprenes; ethylene-propylene-rubbers (EPR); ethylene-propylene-diene monomer rubbers (EPDM); ethylene-acrylate rubbers; butadiene-acrylonitrile rubbers, ethylene-acrylic acid (EAA), ethylene-vinylacetate (EVA); acrylonitrile-butadiene-styrene rubbers (ABS), block copolymers styrene ethylene butadiene styrene (SEBS); block copolymers styrene butadiene styrene (SBS); core-shell elastomers of methacrylate-butadiene-styrene (MBS) type,
- functionalized tougheners are notably terpolymers of ethylene, acrylic ester and glycidyl methacrylate, copolymers of ethylene and butyl ester acrylate; copolymers of ethylene, butyl ester acrylate and glycidyl methacrylate; ethylene-maleic anhydride copolymers; EPR grafted with maleic anhydride; styrene copolymers grafted with maleic anhydride; SEBS copolymers grafted with maleic anhydride; styrene-acrylonitrile copolymers grafted with maleic anhydride; ABS copolymers grafted with maleic anhydride.
- functionalized tougheners also include copolymers of ethylene and glycidyl methacrylate as well as copolymers of ethylene and methacrylic acid.
- the toughener may be present in the composition (C) in a total amount of greater than 1 wt. %, greater than 2 wt. % or greater than 3 wt. %, based on the total weight of the composition (C).
- the toughener may be present in the composition (C) in a total amount of less than 30 wt. %, less than 20 wt. %, less than 15 wt. % or less than 10 wt. %, based on the total weight of the polymer composition (PC).
- composition (C) may also comprise other conventional additives commonly used in the art, including plasticizers, colorants, pigments (e.g. black pigments such as carbon black and nigrosine), antistatic agents, dyes, lubricants (e.g. linear low density polyethylene, calcium or magnesium stearate or sodium montanate), thermal stabilizers, light stabilizers, flame retardants, nucleating agents and antioxidants.
- plasticizers colorants
- pigments e.g. black pigments such as carbon black and nigrosine
- antistatic agents e.g. black pigments such as carbon black and nigrosine
- dyes e.g. linear low density polyethylene, calcium or magnesium stearate or sodium montanate
- lubricants e.g. linear low density polyethylene, calcium or magnesium stearate or sodium montanate
- thermal stabilizers e.g. linear low density polyethylene, calcium or magnesium stearate or sodium montanate
- light stabilizers e.g. linear low density polyethylene,
- the polymer composition (PC) consists essentially of the PAS polymer (PASP) and a glass fiber. In some embodiments, the polymer composition (PC) consists essentially of the PAS polymer (PASP) and a toughener. In some embodiments, the polymer composition (PC) consists essentially of the PAS polymer (PASP), glass fiber and a toughener.
- PC polymer composition
- concentration of components other than the explicitly recited components is less than 5 wt.%, less than 2 wt.%, less than 1 wt.%, less than 0.5 wt.%, less than 0.1 wt.%, less than 0.05 wt.%, or less than 0.01 wt.%.
- the polymer composition (PC) may also comprise one or more additional polymers, preferably additional PAS polymers (PASP).
- PASP additional PAS polymers
- the polymer composition (PC) can include a plurality of PAS polymers (PASP), each distinct from each other and each comprising recurring units (RPASI), (RPAS2), or a combination thereof.
- the polymer composition (PC) includes the PAS polymer (PASP) and from 10 wt.% to 60 wt.% of a glass fiber (it may, of course, including other components such as a toughener). In some such embodiments, the concentration of the PAS polymer (PASP) in the polymer composition (PC) is from 20 wt.% to 90 wt.%. In some embodiments, the polymer composition (PC) includes the PAS polymer (PASP) and from 5 wt.% to 30 wt.% of a toughener. In some such embodiments, the concentration of the PAS polymer (PASP) in the polymer composition (PC) is from 70 wt.% to 95 wt.%.
- the polymer compositions (PC) can be made using methods well known in the art. In one approached, the polymer compositions (PC) can be made by melt-blending the PAS polymer and the specific components (e.g . a reinforcing filler, a flame retardant, a stabilizer, and of any other components).
- the specific components e.g . a reinforcing filler, a flame retardant, a stabilizer, and of any other components.
- melt-blending method may be used for mixing polymeric ingredients and non polymeric ingredients in the context of the present invention.
- polymeric ingredients and non-polymeric ingredients may be fed into a melt mixer, such as single screw extruder or twin screw extruder, agitator, single screw or twin screw kneader, or Banbury mixer, and the addition step may be addition of all ingredients at once or gradual addition in batches.
- a melt mixer such as single screw extruder or twin screw extruder, agitator, single screw or twin screw kneader, or Banbury mixer
- the addition step may be addition of all ingredients at once or gradual addition in batches.
- a part of the polymeric ingredients and/or non-polymeric ingredients is first added, and then is melt-mixed with the remaining polymeric ingredients and non-polymeric ingredients that are subsequently added, until an adequately mixed composition is obtained.
- drawing extrusion molding may be used to prepare a reinforced composition.
- thermoset polymer or thermoset precursors a thermoset polymer or thermoset precursors
- the PAS polymer (“PASP”) in the form of powder (characterized by a D50 from 1 micron to 500 microns, preferably from 2 microns to 200 microns, and most preferably from 5 microns to 100 micron)
- PASP PAS polymer
- the thermoset polymer or thermoset precursor can be blended with the thermoset polymer or thermoset precursor, along with any other additives using any equipment known in the prior art to disperse additives in thermoset precursors.
- the PAS polymer and polymer composition (PC) can be desirably incorporated into articles.
- the article can notably be used in mobile electronics, LED packaging, oil and gas components, food contact components (including, but not limited to, food film and casing), electrical and electronic components (including, but not limited to, power unit components for computing, data-system and office equipment and surface mounted technology compatible connectors and contacts), medical device components, construction components (including, but not limited to, pipes, connectors, manifolds and valves, for cooling and heating systems; boiler and meter components; gas systems pipes and fittings; and electrical protection devices for mini circuit breakers, contactors, switches and sockets), industrial components, plumbing components (including, but not limited to, pipes, valves, fittings, manifolds, shower taps and shower valves), automotive components, and aerospace components (including, but not limited to, interior cabin components).
- food contact components including, but not limited to, food film and casing
- electrical and electronic components including, but not limited to, power unit components for computing, data-system and office equipment and surface mounted technology compatible connectors and contacts
- medical device components including, but not limited to, power unit components for
- the article can be, for example, a mobile electronic device component.
- a “mobile electronic device” refers to an electronic device that is intended to be conveniently transported and used in various locations.
- a mobile electronic device can include, but is not limited to, a mobile phone, a personal digital assistant (“PDA”), a laptop computer, a tablet computer, a wearable computing device (e.g., a smart watch, smart glasses and the like), a camera, a portable audio player, a portable radio, global position system receivers, and portable game consoles.
- the mobile electronic device component may include, for example, a radio antenna and the composition (C).
- the radio antenna can be a WiFi antenna or an RFID antenna.
- the mobile electronic device component may also be an antenna housing.
- the mobile electronic device component is an antenna housing.
- at least a portion of the radio antenna is disposed on the polymer composition (PC). Additionally or alternatively, at least a portion of the radio antenna can be displaced from the polymer composition (PC).
- the device component can be of a mounting component with mounting holes or other fastening device, including but not limited to, a snap fit connector between itself and another component of the mobile electronic device, including but not limited to, a circuit board, a microphone, a speaker, a display, a battery, a cover, a housing, an electrical or electronic connector, a hinge, a radio antenna, a switch, or a switchpad.
- the mobile electronic device can be at least a portion of an input device.
- Examples of electric and electronics devices include, but are not limited to, connectors, contactors, switches, flexible and non-flexible printed circuit boards.
- oil and gas components include, but are not limited to, compressor rings, poppets, back-up seal rings, electrical connectors, labyrinth seals, motor end plates, bearings, bushings, suck rod guides and down hole tubing.
- automotive components include, but are not limited to, components in thermal management systems (including, but not limited to, thermostat housings, water inlet/outlet valves, water pumps, water pump impellers, and heater cores and end caps), air management system components (including, but not limited to, turbocharger actuators, turbocharger by-pass valves, turbocharger hoses, EGR valves, CAC housings, exhaust gas recirculation systems, electronic controlled throttle valves, and hot air ducts), transmission components and launch device components (including, but not limited to, dual clutch transmissions, automated manual transmissions, continuously variable transmissions, automatic transmissions, torque convertors, dual mass flywheels, power takeoffs, clutch cylinders, seal rings, thrust washers, thrust bearings, needle bearings, and check balls), automotive electronic components, automotive lighting components (including, but not limited to, motor end caps, sensors, ECU housings, bobbins and solenoids, connectors, circuit protection/relays, actuator housings, Li-Ion battery systems, and fuse boxes), traction motor
- fuels system components including, but not limited to inlet and outlet valves and fluid pump components
- interior components e.g. dashboard components, display components, and seating components
- structural and lightweighting components e.g. gears and bearings, sunroofs, brackets and mounts, electrical battery housings, thermal management components, braking system elements, and pump and EGR systems.
- the article can be molded from the PAS polymer (PASP) or polymer composition (PC) by any process adapted to thermoplastics, e.g. extrusion, injection molding, blow molding, rotomolding or compression molding.
- PASP PAS polymer
- PC polymer composition
- the article can be printed from the PAS polymer (PASP) or polymer composition (PC) by a process comprising a step of extrusion of the material, which is for example in the form of a filament, or comprising a step of laser sintering of the material, which is in this case in the form of a powder.
- PASP PAS polymer
- PC polymer composition
- the PAS polymer (PASP) or polymer composition (PC) can be desirably incorporated into three dimensional printing applications.
- One application is direct to a method for manufacturing a three-dimensional (“3D”) object with an additive manufacturing system, comprising providing a part material comprising the PAS polymer (PASP) or polymer composition (PC) of the present invention, and printing layers of the three-dimensional object from the part material.
- the PAS polymer (PASP) or polymer composition (PC) can therefore be in the form of a thread or a filament to be used in a process of 3D printing, e.g. Fused Filament Fabrication, also known as Fused Deposition Modelling (“FDM”).
- FDM Fused Deposition Modelling
- the PAS polymer (PASP) or polymer composition (PC) can also be in the form of a powder, for example a substantially spherical powder, to be used in a process of 3D printing, e.g. Selective Laser Sintering (SLS).
- SLS Selective Laser Sintering
- the PAS polymer (PASP) or polymer composition (PC) can be incorporated into a composite.
- a composite includes continuous reinforcing fibers imbedded in a thermoplastic matrix.
- the continuous reinforcing fiber is selected from glass fiber, carbon fibers, aluminum fiber, titanium fiber, magnesium fiber, boron carbide fibers, rock wool fiber, steel fiber, aramid fiber, natural fiber (e.g. cotton, linen and wood) and any combination of one or more, thereof.
- the continuous reinforcing fiber is glass fiber or carbon fiber.
- continuous reinforcing fibers are reinforcing fibers that have an average length in the longest dimension of at least 5 millimeters (“mm”), at least 10 mm, at least 25 mm or at least 50 mm.
- the thermoplastic matrix includes the PAS polymer (PASP) or polymer composition (PC).
- the composite can be a unidirectional composite (e.g . a tape) or a multidirectional composite (e.g. a woven fabric, a mat, or a layered fabric).
- the present invention relates to the use of the PAS polymers (PASP) and polymer compositions (PC) or articles for manufacturing the articles as described above.
- the present invention also relates to the use of the above-described PAS polymers (PASP) or polymer compositions (C) for 3D printing an object.
- the present examples demonstrate the synthesis and the thermal and impact performance of the PAS polymers described herein.
- DCB 1.4-di chlorobenzene
- Example 1 (2.5 mol% 2,7-DBC co-PPS) A 1-L autoclave reactor was charged with 31.25 g sodium hydroxide (0.781 mol), 20.74 g sodium acetate (0.253 mol), 74.05 g NaSH (58.00 wt%, 0.766 mol), 6.22 g 2,7-DBC (0.019 mol), and 205 mL NMP. The reactor was purged and pressurized to 10 psig with nitrogen and set to stir continuously at 400 rpm. A separate addition vessel was charged with 109.80 g DCB (0.747 mol) and 50 g NMP. The addition vessel was purged and pressurized to 90 psig with nitrogen, and heated to 100 °C.
- the reactor was heated to 240 °C at 1.5 °C/min. Upon reaching 150 °C, the reactor was vented through a condenser and ⁇ 40 mL of a clear condensate was collected under a small stream of nitrogen (60 mL/min) until the reactor reached 200 °C. At this point, the condenser was removed, the nitrogen flow was stopped, and the DCB/NMP mixture in the addition vessel was promptly added to the reactor. The addition vessel was charged with an additional 30 mL NMP, purged and pressurized to 90 psig with nitrogen, and the contents were immediately added to the reactor.
- the sealed reactor was held at 240 °C for 2 hours, heated to 265 °C at 1.5 °C/min, held at 265 °C for 2 hours, cooled to 200 °C at 1.0 °C/min, and finally allowed to cool to room temperature.
- the resulting slurry was diluted with 200 mL NMP, removed from the reactor, heated to 80 °C, and filtered through a medium porosity sintered glass filter.
- the filter cake was washed once with 100 mL warm NMP (60 °C).
- the solids were stirred for 15 minutes in 300 mL heated DI water (70 °C) and subjected to filtration on the medium porosity glass filter, a process that was repeated five times in total.
- Example 2 (5 mol% 2,7-DBC co-PPS) Synthesized according to procedure from Example 1 with 31.52 g sodium hydroxide (0.788 mol), 20.92 g sodium acetate (0.255 mol), 74.68 g NaSH (58.00 wt%, 0.773 mol), 12.55 g 2,7-DBC (0.039 mol), 107.89 g DCB (0.734 mol), and 287 mL total NMP. Afforded 83.30 g of a fine, white granular solid.
- Example 3 (10 mol% 2,7-DBC co-PPS) Synthesized according to procedure from Example 1 with 31.35 g sodium hydroxide (0.784 mol), 20.80 g sodium acetate (0.254 mol), 72.76 g NaSH (59.21 wt%, 0.768 mol), 24.97 g 2,7-DBC (0.077 mol), 101.66 g DCB (0.692 mol), and 286 mL total NMP. Afforded 82.60 g of a white powder.
- the polymerization resulted in higher than usual maximum pressure (170 psig vs. a typical 150 psig).
- the reaction mixture was a brown sludge that smelled strongly of thiophenol and other decomposition species. A portion was rinsed according to procedure to afford a light brown powder.
- T , T m , and AEh were determined using differential scanning calorimetry (“DSC”), according to ASTM D3418 employing a heating and cooling rate of 20°C/min. Three scans were used for each DSC test: a first heat up to 350°C, followed by a first cool down to 30°C, followed by a second heat up to 350°C. 3 ⁇ 4, T m , and AHf were determined from the second heat.
- DSC differential scanning calorimetry
- M w was determined by gel permeation chromatography (GPC) at 210 °C using a PL 220 high temperature GPC with a 1-chloronaphtalene mobile phase and polystyrene standards.
- Notched Izod values were determined according to ASTM D256 using 0.125 inch flex bars at room temperature.
- comparison of E3 with CE2 demonstrates that the traditional approach to incorporating amine content into PAS polymers does not provide adequate molecular weights at desirable monomer concentrations.
- CE2 having 10 mol% recurring units formed from 3,5-DCA, had a molecular weight of 4,300 g/mol.
- E3, having 10 mol% recurring units formed from 2,7-DBC had a molecular weight of 40,900 g/mol, which corresponds to high molecular weight PPS.
- comparison of E3 with CE3 demonstrates that high molecular weight PAS polymer can only be obtained when the halogens of the dihalocarbazole containing monomer are in the 2,7-positions.
- CE3 having 10 mol% recurring units formed from 3,6-DBC, only had a molecular weight of 3,600 g/mol.
- E3 having 10 mol% recurring units formed from 2,7-DBC had a molecular weight of 40,900 g/mol.
- CE1 the PPS homopolymer
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EP20789931.1A EP4045567A1 (en) | 2019-10-15 | 2020-10-09 | Poly(arylene sulfide) polymers and corresponding polymer compositions and articles |
US17/769,576 US20240141109A1 (en) | 2019-11-04 | 2020-10-09 | Poly(arylene sulfide) polymers and corresponding polymer compositions and articles |
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EP1291679A1 (en) * | 2000-05-31 | 2003-03-12 | Mitsui Chemicals, Inc. | Optical material and optical part each containing aromatic sulfide compound and aromatic sulfide compound |
WO2012078770A2 (en) * | 2010-12-08 | 2012-06-14 | Georgia Tech Research Corporation | Bis(sulfonyl)biaryl derivatives as electron transporting and/or host materials |
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WO2012078770A2 (en) * | 2010-12-08 | 2012-06-14 | Georgia Tech Research Corporation | Bis(sulfonyl)biaryl derivatives as electron transporting and/or host materials |
US20160068636A1 (en) * | 2014-09-05 | 2016-03-10 | Kureha Corporation | Method of producing polyarylene sulfide and polyarylene sulfide |
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B. JANHSEN ET AL: "Intra- versus intermolecular electron transfer in radical nucleophilic aromatic substitution of dihalo(hetero)arenes - a tool for estimating [pi]-conjugation in aromatic systems", CHEMICAL SCIENCE, vol. 8, no. 5, 1 January 2017 (2017-01-01), United Kingdom, pages 3547 - 3553, XP055681033, ISSN: 2041-6520, DOI: 10.1039/C7SC00100B * |
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