WO2015091707A1 - Composition polymère comprenant une composition de polyoléfine et au moins un catalyseur de condensation de silanol - Google Patents

Composition polymère comprenant une composition de polyoléfine et au moins un catalyseur de condensation de silanol Download PDF

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WO2015091707A1
WO2015091707A1 PCT/EP2014/078327 EP2014078327W WO2015091707A1 WO 2015091707 A1 WO2015091707 A1 WO 2015091707A1 EP 2014078327 W EP2014078327 W EP 2014078327W WO 2015091707 A1 WO2015091707 A1 WO 2015091707A1
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polymer composition
polymer
composition according
weight
catalyst
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PCT/EP2014/078327
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Ola Fagrell
Stefan HELLSTRÖM
Bernt-Åke SULTAN
Perry Nylander
Martin Anker
Kristian Dahlen
Åsa Hermansson
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Borealis Ag
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    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0892—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms containing monomers with other atoms than carbon, hydrogen or oxygen atoms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/447—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from acrylic compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/448—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from other vinyl compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00—Masterbatches

Definitions

  • a polymer composition comprising a polyolefin composition and a at least one silanol condensation catalyst
  • the present invention relates to a new polymer composition, an article, for example, a coating, a wire or a cable, comprising the polymer composition, a process for producing an article and use of the polymer composition.
  • crosslink polymers by means of additives. Crosslinking improves properties of the polymer such as mechanical strength and heat resistance.
  • Polymers normally considered to be thermoplastics, and not crosslinkable, can also be made crosslinkable by introducing crosslinkable groups in the polymer.
  • examples thereof are polymer compositions comprising polyolefms, such as polyethylenes, where silane compounds have been introduced as crosslinkable groups, e.g. by grafting silane compounds onto a prepared polyolefin, or by copolymerisation of an olefin and a silane compound.
  • Such techniques are known e.g. from US4413066, US4297310, US4351876, US4397981, US4446283 and US4456704.
  • crosslinking of polymer compositions comprising hydro lysable silane groups with catalysts is known in the art, see e.g. EP0736065. It is further known that the
  • crosslinking process may advantageously be carried out in the presence of acidic silanol condensation catalysts.
  • the acidic silanol condensation catalysts permit crosslinking of silane-containing polymer compositions already at room temperature (about 20 to 25°C).
  • acidic silanol condensation catalysts which are organic sulphonic acids, or precursors of such acids, are disclosed in, for example,
  • the catalysts may be added as so-called catalyst masterbatches.
  • the catalysts are compounded with a polymer resin (i.e. a carrier resin), and then suitably formed into granular shaped solids, e.g. into pellets.
  • the catalyst masterbatch is then added to the polymer to be crosslinked. Thereby handling of the catalyst is facilitated.
  • a particular polymer composition is surprisingly suitable as carrier resin to a specific silanol condensation catalyst, which catalyst comprises an aryl substituted with one or more alkyl groups.
  • the present invention accordingly provides a polymer composition
  • a polymer composition comprising (a) a polymer portion, and (b) at least one silanol condensation catalyst, wherein each catalyst is selected from: i) a compound of formula I
  • Ar is an 1 to 4 alkyl groups substituted aryl, wherein the aryl is phenyl or naphthyl, and wherein each alkyl group, independently, is a linear or branched alkyl with 10 to 30 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 80 carbons; ii) a derivative of i) selected from the group consisting of an anhydride, an ester, an acetylate, an epoxy blocked ester and an amine salt thereof which is hydro lysable to the corresponding compound of formula I; and iii) a metal salt of i) wherein the metal ion is selected from the group consisting of copper, aluminum, tin and zinc, wherein the polymer portion comprises
  • pellets formed from the polymer composition of the present invention has been shown to have advantageous properties, as, for example, being dry and free flowing, without tendency to stick together and form aggregates, properties which make the pellets easy to handle. Additionally, hereby is a problem free dosing and feeding of pellets to e.g. an extruder also facilitated.
  • the polymer portion of the polymer composition comprises (al) a non-polar polymer composition component in an amount of 0 to 90% by weight, and (a2) a polar component, in an amount of at least 10% by weight, which polar component contains 3 to 30% by weight of a polar comonomer.
  • the non-polar component of the polymer composition may, for example, comprise a non-polar polyolefin, e.g., a non-polar polyethylene, which may be a homo- or copolymer of ethylene, e.g. low density polyethylene or linear low density polyethylene or a copolymer of e.g. ethylene and propylene or a copolymer of ethylene and an alpha olefin where the alpha olefin may be linear or branched.
  • a non-polar polyolefin e.g., a non-polar polyethylene, which may be a homo- or copolymer of ethylene, e.g. low density polyethylene or linear low density polyethylene or a copolymer of e.g. ethylene and propylene or a copolymer of ethylene and an alpha olefin where the alpha olefin may be linear or branched.
  • the polar component of the polymer composition may be selected from the group consisting of ethylene vinyl acetate (EVA), ethylene butyl acrylate (EBA), ethylene tert-butyl methacrylate (ETBMA), ethylene methyl acrylate (EMA), ethylene methyl methacrylate (EMMA), ethylene ethyl acrylate (EEA) and ethylene acrylic acid (EAA).
  • EVA ethylene vinyl acetate
  • EBA ethylene butyl acrylate
  • ETBMA ethylene tert-butyl methacrylate
  • EMA ethylene methyl acrylate
  • EMMA ethylene methyl methacrylate
  • EAA ethylene acrylic acid
  • the polymer composition in accordance with the present invention may be produced by compounding the "at least one" silanol condensation catalyst, i.e.
  • the specific silanol condensation catalyst with the particular polymer portion, and, optionally, together with further suitable additives such as pigments, antioxidants, stabilizers, lubricants, fillers, peroxides, silanes and/or foaming agents.
  • the "at least one" silanol condensation catalyst is comprised in the particular polymer portion in concentrated form, and, optionally, together with the further suitable additives such as pigments, antioxidants, stabilizers, lubricants, fillers, peroxides, silanes and/or foaming agents.
  • the polymer composition is a catalyst masterbatch and the polymer portion constitutes a polymer matrix.
  • said catalyst masterbatch is a mixture which comprises the polymer portion and the "at least one" silanol condensation catalyst, i.e. the compound of formula I, in a concentrated form in said polymer matrix.
  • said catalyst masterbatch may be produced by compounding the "at least one" silanol condensation catalyst and, optionally, any further additives with the polymer portion, wherein the polymer portion constitutes a polymer matrix.
  • the further, optional, additives may, for example, be miscible thermoplastics, antioxidants, stabilizers, lubricants, fillers, peroxides, silanes and/or foaming agents.
  • the catalyst masterbatch in accordance with the present invention may be in a liquid form or a solid form suitably formed into, for example, a powder and/or granular shaped solids, e.g. pellets or granules.
  • a polymer composition wherein the polar component is selected from the group consisting of ethylene vinyl acetate (EVA), ethylene butyl acrylate (EBA), ethylene methyl aery late (EM A), ethylene methyl methacrylate (EMMA), ethylene ethyl acrylate (EE A) and ethylene acrylic acid (EAA).
  • EVA ethylene vinyl acetate
  • EBA ethylene butyl acrylate
  • EM A ethylene methyl aery late
  • EMMA ethylene methyl methacrylate
  • EE A ethylene acrylic acid
  • a polymer composition wherein the polymer portion comprises at least 20, 30 or, alternatively, 50 % by weight of (a2) the polar component.
  • the polymer portion of the polymer composition then comprises (al) a non-polar polymer composition component in amounts of 0 to 80% by weight, 0 to 70% by weight, and 0 to 50%> by weight, respectively.
  • a polymer composition wherein the polymer portion comprises 100 % by weight of (a2) the polar component.
  • the polymer portion of the polymer composition then comprises no (al) a non-polar polymer composition component.
  • a polymer composition wherein the polymer portion comprises more than 50 % by weight of (a2) the polar component.
  • the polymer portion of the polymer composition then comprises (al) a non-polar polymer composition component in amounts of 0 to 50% by weight,
  • a polymer composition wherein the polymer portion comprises at least 55, 60, 65, 75, 80, 85, 90 or, alternatively, 95 % by weight of (a2) the polar component.
  • the polymer portion of the polymer composition then comprises (al) a non-polar polymer composition component in amounts of 0 to 45% by weight, 0 to 40% by weight, 0 to 35% by weight, 0 to 30% by weight, 0 to 25% by weight, 0 to 20% by weight, 0 to 15%) by weight, 0 to 10%> by weight, and 0 to 5% by weight, respectively.
  • the polymer composition of the present invention do also comprise the "at least one", wherein each catalyst is selected from: i) a compound of formula I
  • Ar of the compound of formula I may, besides the "1 to 4 alkyl groups"-substituents, also, optionally, comprise further suitable substituents.
  • Ar is a 1, 2, 3 or 4 alkyl groups substituted aryl, for example, a 2 to 3 alkyl groups substituted aryl, or, e.g.,
  • each alkyl group independently, is a linear or branched alkyl with 10 to 30 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 80 carbons.
  • each alkyl group independently, is a linear alkyl with 10 to 15 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 60 carbons.
  • any two of said alkyl groups may be linked to each other via a bridging group such as an alkylene group.
  • An embodiment of the present invention provides a polymer composition, as described herein, wherein said each silanol condensation catalyst is selected from a) Ci2-alkylated naphthyl sulfonic acids; b) a derivative of a) selected from the group consisting of an anhydride, an ester, an acetylate, an epoxy blocked ester and an amine salt thereof which is hydro lysable to the corresponding compound a); and/or c) a metal salt of a) wherein the metal ion is selected from the group consisting of copper, aluminum, tin and zinc.
  • a further embodiment of the present invention provides a polymer composition, as described herein, wherein said each silanol condensation catalyst is selected from C 12 - alkylated naphthyl sulfonic acids.
  • the silanol condensation catalyst may also be a derivative of the compound of formula I as described herein, wherein said derivative may be converted by hydrolysis to the compound of formula I.
  • the derivative may, for example, be a corresponding acid anhydride of the compound of formula I.
  • the derivative may be a compound of formula I which has been provided with a hydrolysable protective group, as, e.g., an acetyl group.
  • the hydrolysable protective group can be removed by hydrolysis.
  • the polymer composition according to the present invention comprises the "at least one" silanol condensation catalyst in an amount of, for example, 0.0001 to 8 % by weight, 0.0001 to 6 % by weight, 0.001 to 2 % by weight, 0.05 to 1 % by weight, 1 to 8% by weight or 1 to 6 % by weight.
  • the polymer composition according to the present invention further comprises a colour master batch, comprising e.g. Ti0 2 , CaC0 3 , carbon black and/or hindered-amine light stabilizers (HALS).
  • a colour master batch comprising e.g. Ti0 2 , CaC0 3 , carbon black and/or hindered-amine light stabilizers (HALS).
  • the catalyst masterbatch comprises the "at least one" silanol condensation catalyst in an amount of, for example, 0.7 to 8 % by weight, 0.7 to 6 % by, 1 to 8 % by weight or 1 to 6 % by weight.
  • the polymer composition further comprises a crosslinkable polyolefm with hydrolysable silane groups.
  • the crosslinkable polyolefm of the polymer composition may, for example, comprise a polyethylene with hydrolysable silane groups, or the crosslinkable polyolefm may, e.g., consist of a polyethylene with hydrolysable silane groups.
  • the hydrolysable silane groups may be introduced into the polyolefm by
  • crosslinkable polyolefm with hydrolysable silane groups may be obtained by copolymerisation.
  • polyolefm being, for example, polyethylene
  • the copolymerisation may be carried out with an unsaturated silane compound represented by the formula II wherein R 1 is an ethylenically unsaturated alkyl, alkyloxy or (meth)acryloxy alkyl group, R 2 is an aliphatic saturated alkyl group,
  • Y which may be the same or different, is a hydro lysable organic group and q is 0, 1 or 2.
  • unsaturated silane compound are those wherein R 1 is vinyl, allyl, isopropenyl, butenyl, cyclohexanyl or gamma-(meth)acryloxy propyl; Y is methoxy, ethoxy, formyloxy, acetoxy, propionyloxy or an alkyl-or arylamino group; and R 2 , if present, is a methyl, ethyl, propyl, decyl or phenyl group.
  • CH 2 CHSi(OA) 3 (III) wherein A is a alkyl group having 1 to 8 carbon atoms, e.g. 1 to 4 carbon atoms.
  • the silane compound may be, e.g., vinyl trimethoxysilane, vinyl bismethoxyethoxysilane, vinyl triethoxy silane, gamma- (meth)acryloxypropyltrimethoxysilane, gamma(meth)acryloxypropyltriethoxysilane, or vinyl triacetoxy silane.
  • Said copolymerisation may be carried out under any suitable conditions resulting in the copolymerisation of two monomers. Moreover, the copolymerisation may be implemented in the presence of one or more other comonomers which can be copolymerised with the two monomers.
  • Such comonomers include, for example, vinyl carboxylate esters, such as vinyl acetate and vinyl pivalate, alpha-olefms, such as propene, 1-butene, 1-hexane, 1-octene and 4- methyl- 1-pentene, (meth)acrylates, such as methyl(meth)acrylate, ethyl(meth)acrylate and butyl(meth)acrylate, olefmically unsaturated carboxylic acids, such as (meth)acrylic acid, maleic acid and fumaric acid, (meth)acrylic acid derivatives, such as
  • (meth)acrylonitrile and (meth)acrylic amide vinyl ethers, such as vinyl methyl ether and vinyl phenyl ether, and aromatic vinyl compounds, such as styrene and alpha-ethyl styrene.
  • said comonomers may be vinyl esters of monocarboxylic acids having 1-4 carbon atoms, such as vinyl acetate, and/or (meth)acrylate of alcohols having 1-4 carbon atoms, such as methyl(meth)-acrylate.
  • the comonomers butyl acrylate, ethyl acrylate and/or methyl acrylate are disclosed.
  • comonomers such as any of the olefmically unsaturated compounds disclosed herein, may be used in combination.
  • the term "(meth)acrylic acid” is intended to embrace both acrylic acid and methacrylic acid.
  • the comonomer content of the copolymer may amount to 70% by weight of the copolymer, for example, about 0.5 to 35%) by weight, e.g., about 1 to 30% by weight.
  • a graft polymer may have been produced e.g. by any of the two methods described in US3646155 and US4117195, respectively.
  • the polyolefm with hydro lysable silane groups which is comprised in the polymer composition of the present invention, may comprise 0.001 to 15% by weight of silane compound, for example, 0.01 to 5% by weight, e.g., 0.1 to 2% by weight.
  • the polymer composition according to the invention may further comprise various additives, for example, miscible thermoplastics, antioxidants, stabilizers, lubricants, fillers, pigments, peroxides, silanes and/or foaming agents.
  • suitable fillers and/or pigments include Ti0 2 , CaC0 3 , carbon black (e.g. "UV black", i.e. a carbon black that absorbs ultraviolet radiation), huntite, mica, kaolin, aluminium hydroxide (ATH), magnesium dihydroxide (MDH), and Si0 2 .
  • the polymer composition according to the present invention further comprises fillers and/or pigments.
  • fillers and/or pigments may be comprised in the polymer composition according to the present invention in amounts of, for example, 0.01 to 5 wt%, or, e.g., 0.01 to 2 wt%.
  • antioxidant a compound, or a mixture of compounds, may, for example, be used.
  • the antioxidant may, suitably, be neutral or acidic compounds, and which compounds may, suitably, comprise a sterically hindered phenol group or aliphatic sulphur groups.
  • Such compounds are disclosed in EP 1254923 and these are suitable antioxidants for stabilisation of polyolefms containing hydro lysable silane groups which are crosslinked with a silanol condensation catalyst, e.g., an acidic silanol condensation catalyst.
  • a silanol condensation catalyst e.g., an acidic silanol condensation catalyst.
  • Other exemplified antioxidants are disclosed in WO2005003199.
  • the antioxidant may be present in the polymer composition in an amount of from 0.01 to 3 wt%, e.g., 0.05 to 2 wt%, or, e.g., 0.08 to 1.5 wt%.
  • said polymer portion and said "at least one" silanol condensation catalyst may suitably be mixed to produce the polymer composition of the present invention, by compounding a crosslinkable polyolefm together with said catalyst masterbatch and, optionally, one or more additive masterbatches.
  • the, optional, one or more additive masterbatches comprise further additives in concentrated form in their polymer matrices, e.g. polyolefm matrices.
  • the polymer matrices of the, optional, one or more additive masterbatches may comprise, for example, a polyolefm, e.g., a polyethylene, which may be a homo- or copolymer of ethylene, e.g. low density polyethylene, or a polyethylene-methyl-ethyl- butyl- acrylate copolymer containing 1 to 50 percent by weight of the acrylate, or any mixtures thereof.
  • the polymer matrices may comprise high density or medium density polyethylenes.
  • the polymer matrices may comprise bimodal polymers.
  • Said compounding may be performed by any known compounding process, including extruding the final product with a screw extruder or a kneader.
  • one or more of the "at least one" silanol condensation catalyst and the, optional, further additives need not to be added as comprised in masterbatches but may instead be added , e.g. in liquid form, directly to a system for production of the polymer composition of the present invention.
  • the catalyst masterbatch, the additive masterbatch or masterbatches comprise said "at least one" catalyst and, optionally, further additives, respectively, in concentrated form.
  • concentrated form means herein that said "at least one" catalyst and the optional further additives, respectively, have higher concentration in said masterbatches as compared with their concentration in the final crosslinkable polymer composition.
  • the catalyst masterbatch, as described herein may, for example, comprise the "at least one" silanol condensation catalyst in an amount of, for example, 0.7 to 8 % by weight, 0.7 to 6 % by, 1 to 8 % by weight or 1 to 6 % by weight.
  • the catalyst masterbatch or an additive masterbatch when the catalyst masterbatch or an additive masterbatch, as described herein, is compounded with said polymer composition comprising said crosslinkable polyolefm, the catalyst masterbatch or the additive masterbatch may be present in an amount of 1 to 10 wt%, for example, 2 to 8 wt%.
  • the pigment may, for example, be added via a separate additive masterbatch, i.e. a pigment masterbatch, in an amount of 0.01 to 5 % by weight.
  • Said pigment masterbatch can be comprised in the master batch of the present invention, in an amount of 0.2 to 50 % by weight.
  • the present invention do also relate to a process for producing an article, wherein said process comprises use, for example, extrusion, of a polymer composition as described herein. Said extrusion may be performed at a temperature of, for example, 140 to 230 °C.
  • a polymer composition comprising a crosslinked polyolefm, wherein the crosslinked polyolefm is produced by crosslinking the crosslinkable polyolefm comprised in the polymer composition as described herein.
  • a further embodiment of the invention relates to an article, for example, a coating, a wire or a cable, which article comprises the polymer composition as described herein.
  • Still a further embodiment of the present invention relates to use of the polymer composition as described herein.
  • melt flow rate (MFR) is determined according to ISO 1 133 and is indicated in g/10 min.
  • MFR for ethylene polymers is determined at 190°C and with a 2.16 kg load (MFR 2 ).
  • MFR 2 Melt Flow Rate
  • This method is for determining the amount of exudation on the pellet surface of sulphonic acid.
  • Catalyst masterbatches are composed as described Table 1 below.
  • Nacure® CD-2180 i.e. a highly hydrophobic mixture of Ci 2 -alkylated naphthyl sulfonic acids (i.e. silanol condensation catalysts selected from the compound of formula I, as described herein), from King Industries, having an active content of 80% was used. Amounts are given in weight percentages of the total composition.
  • the catalyst carries are a selected from:
  • BAR717 i.e. ethylene butylacrylate copolymer, supplied by Special Polymers Antwerp and with a butyl acrylate content of 17 weight% and a MRF 2 .16 of 7 g/10 min,
  • Exact0210 supplied by DSM with a density of 902 kg/m 3 and a MRF 2 .i 6 of 10 g/lOmin, and
  • the stabiliser is Lowinox CPL, a phenolic stabilizer from Chemtura , and the drying agent is Dynasylan 9116 , HDTMS, hexadecyltrimethoxysilane produced by Evonic.
  • Catalyst masterbatches may be prepared by mixing the components in a Banbury kneader at 130°C for 8 minutes. The compounds may afterwards be pelletized on a Buss kneader.
  • Catalyst MB A Catalyst MB B Catalyst MB C (Comparative (Comparative (Innovative example 1 ) example 2) example 1 )
  • Catalyst MB D Catalyst MB E Catalyst MB F

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Abstract

Cette invention concerne une composition polymère comprenant (a) une partie polymère, et (b) au moins un catalyseur de condensation de silanol, chaque catalyseur étant choisi parmi : i) un composé de formule (I) : ArSO3H ou un précurseur de celui-ci, où Ar est un aryle substitué par de 1 à 4 groupes alkyle, l'aryle étant un phényle ou naphtyle, et chacun groupe alkyle étant, indépendamment, un alkyle linéaire ou ramifié ayant de 10 à 30 carbones, et le nombre total de carbones dans les groupes alkyle étant dans la plage de 20 à 80 carbones ; ii) un dérivé de i) choisi dans le groupe constitué par un anhydride, un ester, un acétylate, un ester bloqué par un époxy et un sel d'amine de celui-ci qui peut être hydrolysé pour obtenir le composé correspondant de formule (I) ; et iii) un sel métallique de i), l'ion métallique étant choisi dans le groupe constitué par le cuivre, l'aluminium, l'étain et le zinc, la partie polymère comprenant (a1) un composant polymère non polaire en une quantité de 0 à 90 % en poids, et (a2) un composant polaire, en une quantité d'au moins 10 % en poids, le composant polaire contenant de 3 à 30 % en poids d'un comonomère polaire. Cette invention concerne en outre un article, par exemple, un revêtement, un fil ou un câble, comprenant la composition polymère, un procédé de production d'un article et l'utilisation de la composition polymère.
PCT/EP2014/078327 2013-12-18 2014-12-17 Composition polymère comprenant une composition de polyoléfine et au moins un catalyseur de condensation de silanol WO2015091707A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13197980 2013-12-18
EP13197980.9 2013-12-18

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CN106251938A (zh) * 2016-08-30 2016-12-21 湖北东方玉扬电子科技有限公司 抗菌、抗藻数据连接线绝缘层及其制备方法
CN109320834A (zh) * 2018-11-02 2019-02-12 江苏达胜高聚物股份有限公司 一种耐紫外电缆料及其制备方法和用途

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EP1849816A1 (fr) 2006-04-26 2007-10-31 Borealis Technology Oy Composition réticulable à base de polyoléfine contenant un catalyseur de condensation de silanol de haut poids moléculaire
US20080176981A1 (en) * 2005-03-18 2008-07-24 Biscoglio Michael B Moisture Crosslinkable Polymeric Composition-Improved Heat Aging Performance
EP2072571A1 (fr) * 2007-12-21 2009-06-24 Borealis Technology OY Composition polyoléfinique comprenant une polyoléfine réticulable avec des groupes silanes, un catalyseur de condensation au silanol et pigment
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US3646155A (en) 1968-12-20 1972-02-29 Midland Silicones Ltd Cross-linking of a polyolefin with a silane
US4117195A (en) 1974-12-06 1978-09-26 Bicc Limited Manufacture of extruded products
US4117195B1 (fr) 1974-12-06 1982-09-21
US4413066A (en) 1978-07-05 1983-11-01 Mitsubishi Petrochemical Company, Ltd. Crosslinkable polyethylene resin compositions
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US4297310B1 (fr) 1978-11-13 1989-07-11
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US4397981A (en) 1979-12-28 1983-08-09 Mitsubishi Petrochemical Company Limited Ethylene polymer compositions that are flame retardant
US4446283A (en) 1981-06-16 1984-05-01 Mitsubishi Petrochemical Company Limited Crosslinkable polyethylene resin composition
US4456704A (en) 1981-10-08 1984-06-26 Sekisui Kaseihin Kogyo Kabushiki Kaisha Production of foam
WO1995017463A1 (fr) 1993-12-20 1995-06-29 Borealis Holding A/S Acides sulfoniques compatibles avec le polyethylene utilises comme catalyseurs de reticulation du silane
EP0736065A1 (fr) 1993-12-20 1996-10-09 Borealis Holding A/S Acides sulfoniques compatibles avec le polyethylene utilises comme catalyseurs de reticulation du silane
EP1309631A1 (fr) 2000-08-03 2003-05-14 King Industries, Inc. Catalyseurs d'acide monosulfonique alkylaryle et arylalkyle pour la reticulation de polyethylene
EP1309632A1 (fr) 2000-08-03 2003-05-14 King Industries, Inc. Catalyseurs a base d'acide aryldisulfonique alkyle destines a la reticulation du polyethylene
EP1254923A1 (fr) 2001-05-02 2002-11-06 Borealis Technology Oy Stabilisation de polymères réticulés contenant des groupes silanes
WO2005003199A1 (fr) 2003-06-25 2005-01-13 Union Carbide Chemicals & Plastics Technology Corporation Composition polymere reticulable a l'humidite contenant des antioxydants speciaux
US20080176981A1 (en) * 2005-03-18 2008-07-24 Biscoglio Michael B Moisture Crosslinkable Polymeric Composition-Improved Heat Aging Performance
EP1849816A1 (fr) 2006-04-26 2007-10-31 Borealis Technology Oy Composition réticulable à base de polyoléfine contenant un catalyseur de condensation de silanol de haut poids moléculaire
US20090203821A1 (en) * 2006-05-30 2009-08-13 Roger Carlsson Silicon containing compound as processing aid for polyolefin compositions
EP2072571A1 (fr) * 2007-12-21 2009-06-24 Borealis Technology OY Composition polyoléfinique comprenant une polyoléfine réticulable avec des groupes silanes, un catalyseur de condensation au silanol et pigment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106251938A (zh) * 2016-08-30 2016-12-21 湖北东方玉扬电子科技有限公司 抗菌、抗藻数据连接线绝缘层及其制备方法
CN109320834A (zh) * 2018-11-02 2019-02-12 江苏达胜高聚物股份有限公司 一种耐紫外电缆料及其制备方法和用途
CN109320834B (zh) * 2018-11-02 2021-07-23 江苏达胜高聚物股份有限公司 一种耐紫外电缆料及其制备方法和用途

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