US20070032581A1 - Additive mixtures - Google Patents

Additive mixtures Download PDF

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US20070032581A1
US20070032581A1 US10/573,848 US57384806A US2007032581A1 US 20070032581 A1 US20070032581 A1 US 20070032581A1 US 57384806 A US57384806 A US 57384806A US 2007032581 A1 US2007032581 A1 US 2007032581A1
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Prior art keywords
component
compound
rtm
formula
wax
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Klaus Stoll
Urs Hirt
Judy Van De Langkruis
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BASF SE
BASF Corp
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Assigned to CIBA SPECIALTY CHEMICALS CORP. reassignment CIBA SPECIALTY CHEMICALS CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VAN DE LANGKRUIS, JUDY, HIRT, URS, STOLL, KLAUS
Publication of US20070032581A1 publication Critical patent/US20070032581A1/en
Priority to US12/317,021 priority Critical patent/US8227541B2/en
Assigned to CIBA CORPORATION reassignment CIBA CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: CIBA SPECIALTY CHEMICALS CORPORATION
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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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/156—Heterocyclic compounds having oxygen in the ring having two oxygen atoms in the ring
    • C08K5/1575—Six-membered rings
    • 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
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/22—Compounds containing nitrogen bound to another nitrogen atom
    • C08K5/24—Derivatives of hydrazine
    • C08K5/25—Carboxylic acid hydrazides
    • 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
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids

Definitions

  • the present invention relates to an additive mixture containing a sorbitol derivative, a hydrazine derivative and optionally a lubricant and/or an antioxidant, as well as to an additive mixture containing a sorbitol derivative and a lubricant, to the use of said additive mixtures as clarifying agents for polypropylene homo or copolymers and to polypropylene homo or copolymers containing the described additive mixtures.
  • the polypropylene homo or copolymers containing the additive mixtures of the present invention exhibit excellent optical properties at considerably reduced side effects (such as discoloration, emission of malodorants, migration or plate-out of low-molecular weight substances etc.) originating e.g. from the additives or any transformation products of the same.
  • the present invention relates in particular to an additive mixture containing the components (A), (B) and optionally (C), wherein
  • component (A) is at least one compound of the formula (I) wherein
  • p is zero or 1;
  • n and n are independently of one another an integer from zero to 3;
  • radicals R are independently of one another C 1 -C 8 alkyl, C 1 -C 8 alkoxy, hydroxy, halogen, C 1 -C 8 alkylthio, C 1 -C 8 alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring;
  • component (B) is at least one compound of the formula (II) wherein
  • x and y are independently of one another an integer from 2 to 10;
  • radicals A 1 , A 2 and A 3 are independently of one another C 1 -C 10 alkyl, C 5 -C 12 cycloalkyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; phenyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; or C 7 -C 12 phenylalkyl, and
  • radicals A 2 and A 3 are additionally hydrogen;
  • radicals A 1 and A 2 are branched C 3 -C 10 alkyl
  • component (C) is a lubricant or a mixture of lubricants.
  • the combination of components (A) and (B) may show a synergistic effect.
  • component (A), (B) or (C) are commercially available and can be prepared in analogy to known methods, for example as described in U.S. Pat. No. 5,023,354, U.S. Pat. No. 5,198,484, U.S. Pat. No. 3,660,438 and U.S. Pat. No. 3,773,722.
  • alkyl having up to 10 carbon atoms examples include methyl, ethyl, linear or branched propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl and decyl.
  • a preferred meaning of R is C 1 -C 4 alkyl, in particular methyl.
  • a preferred meaning of A 1 and A 2 is branched C 3 -C 10 alkyl, in particular tert-butyl or 1,1-dimethylpropyl.
  • a 1 and A 2 as tert-butyl are especially preferred.
  • Preferred meanings of A 3 are hydrogen and methyl.
  • C 1 -C 8 alkoxy examples are methoxy, ethoxy, propoxy, butoxy, pentyloxy, hexyloxy, heptyloxy and octyloxy. Methoxy is particularly preferred.
  • C 1 -C 8 alkylthio examples are methylthio, ethylthio, propylthio, butylthio, pentylthio, hexylthio, heptylthio and octylthio.
  • C 1 -C 8 alkylsulfoxy examples are methylsulfoxy, ethylsulfoxy, propylsulfoxy, butylsulfoxy, pentylsulfoxy, hexylsulfoxy, heptylsulfoxy and octylsulfoxy.
  • C 5 -C 12 cycloalkyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl are cyclopentyl, cyclohexyl, cydoheptyl, cydooctyl and methylcyclohexyl.
  • phenyl substituted by 1 to 3 C 1 -C 10 alkyl is methylphenyl.
  • C 7 -C 12 phenlyalkyl examples are benzyl and 2-phenylprop-2-yl.
  • p 1;
  • n and n are independently of one another zero, 1 or 2;
  • radicals R are independently of one another C 1 -C 4 alkyl
  • x and y are independently of one another an integer from 2 to 6;
  • radicals A 1 , A 2 and A 3 are independently of one another C 1 -C 5 alkyl, cyclohexyl unsubstituted or substituted by one methyl; phenyl unsubstituted or substituted by one methyl; or 2-phenylpropyl, and
  • a 3 is additionally hydrogen.
  • component (A) is at least one compound of the formulae (I-1), (I-2) and (I-3), and
  • component (B) is the compound of the formula (II-1).
  • the compound of the formula (I-1) is commercially available as IRGACLEAR D (RTM).
  • the compound of the formula (I-2) is commercially available as IRGACLEAR DM (RTM).
  • the compound of the formula (I-3) is commercially available as MILLAD 3988 (RTM).
  • the compound of formula (II-1) is commercially available as IRGANOX MD 1024 (RTM).
  • Component (C) is preferably at least one lubricant selected from the group consisting of synthetic or natural waxes and amides of fatty acids.
  • lubricant selected from the group consisting of synthetic or natural waxes and amides of fatty acids.
  • Preferably suited are synthetic waxes, most preferably fully synthetic waxes of low polarity.
  • Examples are Fischer-Tropsch waxes, high-pressure polyethylene waxes, Ziegler-Natta polyethylene waxes, metallocene polyethylene waxes and Ziegler-Natta polypropylene waxes.
  • a most suitable commercially available Fischer-Tropsch wax is for example AdSperse 868 (RTM), available from SASOL, Republic of South Africa.
  • Most suitable polyolefin waxes have preferably a molecular weight M w of more than 800 g/mol and less than 20,000 g/mol.
  • suitable natural waxes are refined esters of montan wax and decolorized paraffin waxes.
  • fatty acid amids are stearamide, erucamide and oleamide which are commercially available as Atmer SA 1750 (RTM), Atmer SA 1753 (RTM), respectively Atmer SA 1756 (RTM), Atmer SA 1758 (RTM) and Atmer SA 1759 (RTM).
  • Component (C) is in particular at least one lubricant selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax, natural waxes and amides of fatty acids.
  • lubricant selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax, natural waxes and amides of fatty acids.
  • component (A) is at least one compound of the formulae (I-1), (I-2) and (I-3) as defined above;
  • component (B) is the compound of the formula (II-1) as defined above;
  • component (C) is at least one lubricant selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax and stearamide, erucamide and oleamide.
  • the weight ratio of components (A) to (B) is for example 100/1 to 1/10, more preferably 20/1 to 1/1 and most preferably 5/1 to 2/1.
  • the weight ratio of components (A) to (C) is for example 1/200 to 100/1, more preferably 1/20 to 10/1 and most preferably 1/10 to 1/1.
  • Another embodiment of the present invention is a composition containing the components (I) and (II), wherein
  • component (I) is a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer;
  • component (II) is the additive mixture described above.
  • Component (I) as a polypropylene homopolymer also covers long chain branched polypropylene.
  • the polypropylene can be prepared by different, and especially by the following, methods:
  • These metals usually have one or more than one ligand, typically oxides, halides, alcoholates, esters, ethers, amines, alkyls, alkenyls and/or aryls that may be either a or acoordinated.
  • These metal complexes may be in the free form or fixed on substrates, typically on activated magnesium chloride, titanium(III) chloride, alumina or silicon oxide.
  • These catalysts may be soluble or insoluble in the polymerisation medium.
  • the catalysts can be used by themselves in the polymerisation or further activators may be used, typically metal alkyls, metal hydrides, metal alkyl halides, metal alkyl oxides or metal alkyloxanes, said metals being elements of groups Ia, IlI and/or IIIa of the Periodic Table.
  • the activators may be modified conveniently with further ester, ether, amine or silyl ether groups.
  • These catalyst systems are usually termed Phillips, Standard Oil Indiana, Ziegler (-Natta), TNZ (DuPont), metallocene or single site catalysts (SSC).
  • Component (I) is further e.g. a polypropylene random copolymer, alternating or segmented copolymer or block copolymer containing one or more comonomers selected from the group consisting of ethylene, C 4 -C 20 - ⁇ -olefin, vinylcyclohexane, vinylcyclohexene, C 4 -C 20 alkandiene, C 5 -C 12 cycloalkandiene and norbornene derivatives; the total amount of propylene and the comonomer(s) being 100%.
  • Polypropylene copolymer also covers long chain branched polypropylene copolymer.
  • C 4 -C 20 ⁇ -olefins examples include 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-undecene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene and 4-methyl-1-pentene.
  • Examples of suitable C 4 -C 20 alkandienes are hexadiene and octadiene.
  • Examples of suitable C 5 -C 12 cydoalkandienes are cyclopentadiene, cyclohexadiene and cyclooctadiene.
  • Suitable norbornene derivatives are 5-ethylidene-2-norbornene (ENB), dicyclopentadiene (DCP) and methylene-domethylene-hexahydronaphthaline (MEN).
  • a propylene/ethylene copolymer contains for example 50 to 99.9%, preferably 80 to 99.9%, in particular 90 to 99.9%, by weight of propylene.
  • 5-ethylidene-2-norbornene (ENB) or methylene-domethylene-hexahydronaphthaline (MEN) contains preferably more than 90 mol %, in particular 90 to 99.9 mol % or 90 to 99 mol %, of propylene.
  • the comonomer is a C 4 -C 8 ⁇ olefin such as e.g. 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene or 4-methyl-1-pentene
  • component (I) are propylenelisobutylene copolymer, propylene/butadiene copolymer, propylene/cycloolefin copolymer, terpolymers of propylene with ethylene and a diene such as hexadiene, dicyclopentadiene or ethylidene-norbornene; propylene/1-olefin copolymers where the 1-olefin is generated in situ; and propylene/carbon monoxide copolymers.
  • component (I) are blends of polypropylene with propylenelethylene copolymers, propylene/butylene copolymers, polyethylene, e.g. HDPE or LDPE; polybutene, polyisobutylene, poly-4-methylpentene or alternating or random polyalkylene/carbon monoxide copolymers. These blends contain preferably at least 50% by weight, relative to the weight of the total blend, of polypropylene.
  • component (I) is a polypropylene copolymer, manufactured by copolymerisation of at least 75% by weight of propylene with ethylene or another alpha-olefin comonomer, which is selected from linear or branched butene, linear or branched pentene, linear or branched hexene and linear or branched octene.
  • Component (A) is for example present in the compositions of the invention in an amount of 0.01 to 0.5% by weight, relative to the weight of component (I), preferably 0.1 to 0.3% by weight, in particular 0.15 to 0.25% by weight.
  • Component (B) is for example present in the compositions of the invention in an amount of 0.01 to 0.5% by weight, relative to the weight of component (I), preferably 0.01 to 0.3% by weight, in particular 0.03 to 0.15% by weight.
  • Component (C) is for example present in the compositions of the invention in an amount of 0.01 to 5% by weight, relative to the weight of component (I), preferably 0.1 to 2.0% by weight, in particular 0.2 to 1.0% by weight.
  • compositions of the present invention can be prepared according to the methods well established in the art. Examples are the incorporation of the components of the additive mixture into the polymer resin by powder blending of all components prior to the melt processing; addition of the additive mixture as concentrate or masterbatch to the polymer resin in pellet form; melt blending of the additive mixture in pure or concentrate form, e.g. via continuous feeders or side extruders into the molten polymer resin, etc.
  • compositions of the present invention may optionally contain further additives such as those listed below.
  • Alkylated monophenols for example 2,6-di-tert-butyl-4-methylphenol, 2-tert-butyl-4,6-di-methylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-n-butylphenol, 2,6-di-tert-butyl-4-isobutylphenol, 2,6-dicydopentyl-4-methylphenol, 2-( ⁇ -methylcyclohexyl)-4,6-dimethylphenol, 2,6-dioctadecyl-4-methylphenol, 2,4,6-tricyclohexylphenol, 2,6-di-tert-butyl-4-methoxymethylphenol, nonylphenols which are linear or branched in the side chains, for example 2,6-di-nonyl-5-methylphenol, 2,4-dimethyl-6-(1′-methylundec-1′-yl)phenol, 2,2,4-
  • Alkylthiomethylphenols for example 2,4-dioctylthiomethyl-6-tert-butylphenol, 2,4-dioctyl-thiomethyl-6-methylphenol, 2,4-dioctylthiomethyl-6-ethylphenol, 2,6-di-dodecylthiomethyl-4-nonylphenol.
  • Hydroguinones and alkylated hydroquinones for example 2,6-di-tert-butylmethoxyphenol, 2,5-di-tert-butylhydroquinone, 2,5-di-tert-amylhydroquinone, 2,6-diphenyl4-octade-cyloxyphenol, 2,6-di-tert-butylhydroquinone, 2,5-di-tert-butyl-4-hydroxyanisole, 3,5-di-tert-butyl-4-hydroxyanisole, 3,5-di-tert-butyl-4-hydroxyphenyl stearate, bis(3,5-di-tert-butyl-4-hydroxyphenyl)adipate.
  • alkylated hydroquinones for example 2,6-di-tert-butylmethoxyphenol, 2,5-di-tert-butylhydroquinone, 2,5-di-tert-amylhydroquinone, 2,6
  • Tocopherols for example ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol and mixtures thereof (vitamin E).
  • Hydroxylated thiodiphenyl ethers for example 2,2′-thiobis(6-tert-butyl-4-methylphenol), 2,2′-thiobis(4-octylphenol), 4,4′-thiobis(6-tert-butyl-3-methylphenol), 4,4′-thiobis(6-tert-butyl-2-methylphenol), 4,4′-thiobis(3,6di-sec-amylphenol), 4,4′-bis(2,6-dimethyl-4-hydroxyphenyl)disulfide.
  • 2,2′-thiobis(6-tert-butyl-4-methylphenol 2,2′-thiobis(4-octylphenol), 4,4′-thiobis(6-tert-butyl-3-methylphenol), 4,4′-thiobis(6-tert-butyl-2-methylphenol), 4,4′-thiobis(3,6di-sec-amylphenol), 4,4′-bis(2,6-dimethyl
  • Alkylidenebisphenols for example 2,2′-methylenebis(6-tert-butyl-4-methylphenol), 2,2′-methylenebis(6-tert-butyl-4-ethylphenol), 2,2′-methylenebis[4-methyl-6-( ⁇ -methylcyclohexyl)phenol], 2,2′-methylenebis(4-methyl-6-cyclohexylphenol), 2,2′-methylenebis(6-nonyl-4-methylphenol), 2,2′-methylenebis(4,6-di-tert-butylphenol), 2,2′-ethylidenebis(4,6-di-tert-butylphenol), 2,2′-ethylidenebis(6-tert-butyl-4-isobutylphenol), 2,2′-methylenebis[6-( ⁇ -methylbenzyl)-4-nonylphenol], 2,2′-methylenebis[6-( ⁇ , ⁇ -dimethylbenzyl)-4-nonylphenol],
  • O-, N- and S-benzyl compounds for example 3,5,3′,5′-tetra-tert-butyl-4,4′-dihydroxydibenzyl ether, octadecylhydroxy-3,5-dimethylbenzylmercaptoacetate, tridecyl4-hydroxy-3,5-di-tert-butylbenzylmercaptoacetate, tris(3,5-di-tert-butyl-4-hydroxybenzyl)amine, bis(4-tert-butyl-3-hydroxy-2,6-dimethylbenyl)dithioterephthalate, bis(3,5-di-tert-butyl-4-hydroxybenzyl)sulfide, isooctyl-3,5-di-tert-butyl-4-hydroxybenzylmercaptoacetate.
  • Hydroxybenzylated malonates for example dioctadecyl-2,2-bis(3,5-di-tert-butyl-2-hydroxybenzyl)malonate, di-octadecyl-2-(3-tert-butyl-4-hydroxy-5-methylbenzyl)malonate, di-dodecylmercaptoethyl-2,2-bis(3,5-di-tert-butylhydroxybenzyl)malonate, bis[4(1,1,3,3-tetramethylbutyl)phenyl]-2,2-bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonate.
  • Aromatic hydroxybenzyl compounds for example 1,3,5-tris(3,5-di-tert-butyl4-hydroxybenzyl)-2,4,6-trimethylbenzene, 1,4-bis(3,5-di-tert-butyl-4-hydroxybenyl)-2,3,5,6-tetramethylbenzene, 2,4,6-tris(3,5-di-tert-butylhydroxybenzyl)phenol.
  • Triazine compounds for example 2,4-bis(octylmercapto)-6-(3,5-di-tert-butyl-4-hydroxy-anilino)-1,3,5-triazine, 2-octylmercapto-4,6-bis(3,5-di-tert-butyl-4-hydroxyanilino)-1,3,5-triazine, 2-octylmercapto-4,6-bis(3,5-di-tert-butyl-4-hydroxyphenoxy)-1,3,5-triazine, 2,4,6-tris-(3,5-di-tert-butyl-4-hydroxyphenoxy)-1,2,3-triazine, 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 2,4,6-tris
  • Benzylphosphonates for example dimethyl-2,5-di-tert-butyl-4-hydroxybenzylphosphonate, diethyl-3,5-di-tert-butyl-4-hydroxybenzylphosphonate, dioctadecyl3,5-di-tert-butyl-4-hydroxybenzyl phosphonate, dioctadecyl-5-tert-butyl4-hydroxy-3-methylbenzylphosphonate, the calcium salt of the monoethyl ester of 3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid.
  • Acylaminophenols for example 4-hydroxylauranilide, 4-hydroxystearanilide, octyl N-(3,5-di-tert-butyl-4-hydroxyphenyl)carbamate.
  • esters of ⁇ -(3,5-di-tert-butyl-4-hydroxythenyl)progionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo
  • esters of ⁇ -(5-tert-butylhydroxy-3-methylphenyl)propionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis-(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2
  • esters of ⁇ -(3,5-dicyclohexyl-4-hydroxyphenylpropionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane.
  • esters of 3,5-di-tert-butyl-4-hydroxyphenyl acetic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane.
  • Aminic antioxidants for example N,N′-di-isopropyl-p-phenylenediamine, N,N′-di-sec-butyl-p-phenylenediamine, N,N′-bis(1,4-dimethylpentyl)-p-phenylenediamine, N,N′-bis(1-ethyl-3-methylpentyl)-p-phenylenediamine, N,N′-bis(1-methylheptyl)-p-phenylenediamine, N,N′-dicyclohexyl-p-phenylenediamine, N,N′-diphenyl-p-phenylenediamine, N,N′-bis(2-naphthyl)-p-phenylenediamine, N-isopropyl-N′-phenyl-p-phenylenediamine, N-(1,3-dimethylbutyl)-N′-phenyl-p-
  • N,N,N′,N′-tetra-methyl-4,4′-diaminodiphenylmethane 1,2-bis[(2-methylphenyl)amino]ethane, 1,2-bis(phenylamino)propane, (o-tolyl)biguanide, bis[4-(1′,3′-dimethylbutyl)phenyl]amine, tert-octylated N-phenyl-1-naphthylamine, a mixture of mono- and dialkylated tert-butyl/tert-octyidiphenyl-amines, a mixture of mono- and dialkylated nonyidiphenylamines, a mixture of mono- and dialkylated dodecyldiphenylamines, a mixture of mono- and dialkylated isopropyl/isohexyl-diphenylamines, a mixture of mono- and dialkylated tert-buty
  • Esters of substituted and unsubstituted benzoic acids for example 4-tert-butylphenyl salicylate, phenyl salicylate, octylphenyl salicylate, dibenzoyl resorcinol, bis(4-tert-butylbenzoyl)resorcinol, benzoyl resorcinol, 2,4-di-tert-butylphenyl 3,5di-tert-butyl-4-hydroxybenzoate, hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate, octadecyl 3,5-di-tert-butyl-4-hydroxybenzoate, 2-methyl-4,6-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate.
  • Acrylates for example ethyl ⁇ -cyano- ⁇ , ⁇ -diphenylacrylate, isooctyl ⁇ -cyano- ⁇ , ⁇ -diphenylacrylate, methyl ⁇ -carbomethoxycinnamate, methyl ⁇ -cyano- ⁇ -methyl-p-methoxycinnamate, butyl ⁇ -cyano- ⁇ -methyl-p-methoxycinnamate, methyl ⁇ -carbomethoxy-p-methoxycinnamate and N-( ⁇ -carbomethoxy- ⁇ -cyanovinyl)-2-methylindoline.
  • Nickel compounds for example nickel complexes of 2,2′-thiobis[4-(1,1,3,3-tetramethylbutyl)phenol], such as the 1:1 or 1:2 complex, with or without additional ligands such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate, nickel salts of the monoalkyl esters, e.g. the methyl or ethyl ester, of 4-hydroxy-3,5-di-tert-butylbenzylphosphonic acid, nickel complexes of ketoximes, e.g. of 2-hydroxy-4-methylphenylundecylketoxime, nickel complexes of 1-phenyl-4-lauroyl-5-hydroxypyrazole, with or without additional ligands.
  • additional ligands such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate,
  • Sterically hindered amines for example bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate, bis(2,2,6,6-tetramethyl-4-piperidyl)succinate, bis(1,2,2,6,6-pentamethyl-4-piperidyl)sebacate, bis(1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl)sebacate, bis(1 ,2,2,6,6-pentamethyl-4-piperidyl) n-butyl-3,5-di-tert-butyl-4-hydroxybenzylmalonate, the condensate of 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine and succinic acid, linear or cyclic condensates of N,N′-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine and 4-tert-octylamino
  • Oxamides for example 4,4′-dioctyloxyoxanilide, 2,2′-diethoxyoxanilide, 2,2′-dioctyloxy-5,5′-di-tert-butoxanilide, 2,2′-didodecyloxy-5,5′-di-tert-butoxanilide, 2-ethoxy-2′-ethyloxanilide, N,N′-bis(3-dimethylaminopropyl)oxamide, 2-ethoxy-5-tert-butyl-2′-ethoxanilide and its mixture with 2-ethoxy-2′-ethyl-5,4′-di-tert-butoxanilide, mixtures of o- and p-methoxy-disubstituted oxanilides and mixtures of o- and p-ethoxy-disubstituted oxanilides.
  • Metal deactivators for example N,N′-diphenyloxamide, N-salicylal-N′-salicyloyl hydrazine, N,N′-bis(salicyloyl)hydrazine, 3-salicyloylamino-1,2,4-triazole, bis(benzylidene)oxalyl dihydrazide, oxanilide, isophthaloyl dihydrazide, sebacoyl bisphenylhydrazide, N,N′-diacetyladipoyl dihydrazide, N,N′-bis(salicyloyl)oxalyl dihydrazide, N,N′-bis(salicyloyl)thiopropionyl dihydrazide.
  • N,N′-diphenyloxamide N-salicylal-N′-salicyloyl hydrazine
  • Phosphites and phosphonites for example triphenyl phosphite, diphenylalkyl phosphites, phenyidialkyl phosphites, tris(nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearylpentaerythritol diphosphite, tris(2,4-di-tert-butylphenyl) phosphite, diisodecyl pentaerythritol diphosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, bis(2,4-di-cumylphenyl)pentaerythritol diphosphite, bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphos
  • Tris(2,4di-tert-butylphenyl) phosphite (Irgafos®168, Ciba-Geigy), tris(nonylphenyl)phosphite,
  • Hydroxylamines for example N,N-dibenzylhydroxylamine, N,N-diethylhydroxylamine, N,N-dioctylhydroxylamine, N,N-dilaurylhydroxylamine, N,N-ditetradecylhydroxylamine, N,N-dihexadecylhydroxylamine, N,N-dioctadecylhydroxylamine, N-hexadecyl-N-octadecylhydroxylamine, N-heptadecyl-N-octadecylhydroxylamine, N,N-dialkylhydroxylamine derived from hydrogenated tallow amine.
  • Nitrones for example N-benzyl-alpha-phenylnitrone, N-ethyl-alpha-methyinitrone, N-octyl-alpha-heptyinitrone, N-lauryl-alpha-undecyinitrone, N-tetradecyl-alpha-tridecylnitrone, N-hexadecyl-alpha-pentadecylnitrone, N-octadecyl-alpha-heptadecyinitrone, N-hexadecyl-alpha-heptadecyinitrone, N-ocatadecyl-alpha-pentadecyinitrone, N-heptadecyl-alpha-heptadecyinitrone, N-octadecyl-alpha-hexadecyinitrone, nitrone derived from N,N-
  • Thiosynergists for example dilauryl thiodipropionate, dimistrylthiodipropionate or distearyl thiodipropionate or distearyldisulfide.
  • Peroxide scavengers for example esters of ⁇ -thiodipropionic acid, for example the lauryl, stearyl, myristyl or tridecyl esters, mercaptobenzimidazole or the zinc salt of 2-mercaptobenzimidazole, zinc dibutyldithiocarbamate, dioctadecyl disulfide, pentaerythritol tetrakis(p-dodecylmercapto)propionate.
  • esters of ⁇ -thiodipropionic acid for example the lauryl, stearyl, myristyl or tridecyl esters
  • mercaptobenzimidazole or the zinc salt of 2-mercaptobenzimidazole zinc dibutyldithiocarbamate
  • dioctadecyl disulfide pentaerythritol tetrakis(p-dodecylmercap
  • Polyamide stabilisers for example copper salts in combination with iodides and/or phosphorus compounds and salts of divalent manganese.
  • Basic co-stabilisers for example melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali netal salts and alkaline earth metal salts of higher fatty acids, for example calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate or zinc pyrocatecholate.
  • Basic co-stabilisers for example melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali netal salts and alkaline earth metal salts of higher fatty acids, for example calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium
  • nucleating agents for example inorganic substances, such as talcum, metal oxides, such as titanium dioxide or magnesium oxide, phosphates, carbonates or sulfates of, preferably, alkaline earth metals; organic compounds, such as mono- or polycarboxylic acids and the salts thereof, e.g. 4-tert-butylbenzoic acid, adipic acid, pimelic acid, subaric acid, diphenylacetic acid, sodium succinate or sodium benzoate; polymeric compounds, such as ionic copolymers (ionomers).
  • inorganic substances such as talcum, metal oxides, such as titanium dioxide or magnesium oxide, phosphates, carbonates or sulfates of, preferably, alkaline earth metals
  • organic compounds such as mono- or polycarboxylic acids and the salts thereof, e.g. 4-tert-butylbenzoic acid, adipic acid, pimelic acid, subaric acid, diphenylacetic acid, sodium succinate
  • additives for example plasticisers, lubricants, rheology additives, catalysts, flow-control agents, optical brighteners, flame retarding agents, antistatic agents and blowing agents.
  • composition containing the components (A), (B) and (D) and optionally (C), wherein component (D) is at least one antioxidant which is different from component (B), preferably selected from the antioxidants listed above under item 1.
  • composition containing the components (A), (B) and (D) and optionally (C) wherein component (D) is at least one phenolic antioxidant which is different from component (B).
  • a phenolic antioxidant with a melting point below 200° C. is particularly preferred.
  • component (D) is at least one phenolic antioxidant selected from esters of ⁇ -(3,5-di-tert-butylhydroxyphenyl)propionic acid or ⁇ -(5-tert-butyl-4-hydroxyphenyl)propionic acid or ⁇ -(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid, e.g. those listed above under item 1.13, 1.14 and 1.15.
  • component (A) is a compound of the formula (I-2),
  • component (B) is a compound of the formula (II-1),
  • component (D) is a compound of the formula (III-1).
  • compositions 1 to 5 for example 100 parts by weight of component (A), 5 to 35, preferably 10 to 30 or 15 to 25, parts by weight of component (B), 5 to 40, preferably 7 to 25 or 10 to 20, parts by weight of component (D) and optionally 50 to 500, preferably 50 to 400 or 50 to 300, parts by weight of component (C) may be present.
  • further components may be present, for example 10 to 50, preferably 10 to 35 or 10 to 25, parts by weight of an acid scavenger such as a metal (I) or (II) salt of a fatty acid, a metal (II) oxide or a dihydrotalcite, or 10 to 80, preferably 10 to 50 or 10 to 40, parts by weight of a phosphite, a phosphonite, an organic sulfide or an organic disulfide.
  • an acid scavenger such as a metal (I) or (II) salt of a fatty acid, a metal (II) oxide or a dihydrotalcite, or 10 to 80, preferably 10 to 50 or 10 to 40, parts by weight of a phosphite, a phosphonite, an organic sulfide or an organic disulfide.
  • a method for clarifying a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer which comprises incorporating therein an additive mixture as described above.
  • the present invention also relates to
  • component (C′) is at least one lubricant selected from the group consisting of synthetic waxes, preferably polyolefin waxes, in particular Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax or Ziegler-Natta polypropylene wax; montan-ester wax, paraffin wax, stearamide and oleamide; or component (A′) is the compound of the formula (I-2); and
  • component (C′) is at least one lubricant selected from the group consisting of synthetic waxes, preferably polyolefin waxes, in particular Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax or Ziegler-Natta polypropylene wax; montan-ester wax, paraffin wax, stearamide, erucamide and oleamide;
  • component (A′′) is the compound of the formula (I-3);
  • component (C′′) is selected from the group consisting of stearamide and oleamide.
  • weight ratios and concentrations given for components (A), (C) and (I) can be applied in appropriate manner for components (A′), (A′′), (C′), (C′′), (I′) and (I′′) so that component (A) corresponds to component (A′) or (A′′), component (C) corresponds to component (C′) or (C′′) and component (I) corresponds to component (I′) or (I′′).
  • the present invention further relates to a composition containing the components (I′′′), (A′′′) and (C′′′) wherein
  • component (I′′′) is a polypropylene homopolymer or a polypropylene copolymer, manufactured by copolymerisation of at least 75% by weight of propylene with ethylene or another alpha-olefin comonomer, which is selected from linear or branched butene, linear or branched pentene, linear or branched hexene and linear or branched octene;
  • component (A′′′) is the compound of the formula (I-3);
  • component (C′′′) is selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax, montan-ester wax, paraffin wax, stearamide, erucamide and oleamide.
  • polymer resin compositions according to the present invention can be advantageously used for the preparation of various shaped articles. Examples are:
  • I-1) Floating devices, marine applications, pontoons, buoys, plastic lumber for decks, piers, boats, kayaks, oars, and beach reinforcements.
  • I-2) Automotive applications in particular bumpers, dashboards, battery, rear and front linings, moldings parts under the hood, hat shelf, trunk linings, interior linings, air bag covers, electronic moldings for fittings (lights), panes for dashboards, headlamp glass, instrument panel, exterior linings, upholstery, automotive lights, head lights, parking lights, rear lights, stop lights, interior and exterior trims; door panels; gas tank; glazing front side; rear windows; seat backing, exterior panels, wire insulation, profile extrusion for sealing, cladding, pillar covers, chassis parts, exhaust systems, fuel filter/filler, fuel pumps, fuel tank, body side mouldings, convertible tops, exterior mirrors, exterior trim, fasteners/fixings, front end module, glass, hinges, lock systems, luggage/roof racks, pressed/stamped parts, seals, side impact protection, sound deadener/insulator and sunroof.
  • Road traffic devices in particular sign postings, posts for road marking, car accessories, warning triangles, medical cases, helmets, tires.
  • I-5) Devices for space applications in particular rockets and satellites, e.g. reentry shields.
  • I-6) Devices for architecture and design, mining applications, acoustic quietized systems, street refuges, and shelters.
  • Electric appliances in particular washing machines, tumblers, ovens (microwave oven), dish-washers, mixers, and irons.
  • shutters e.g. roller shutters
  • Hygienic articles in particular diapers (babies, adult incontinence), feminine hygiene articles, shower curtains, brushes, mats, tubs, mobile toilets, tooth brushes, and bed pans.
  • Glass substitutes in particular extruded plates, glazing for buildings (monolithic, twin or multiwall), aircraft, schools, extruded sheets, window film for architectural glazing, train, transportation, sanitary articles, and greenhouse.
  • Plates (walls, cutting board), extrusion-coating (photographic paper, tetrapack and pipe coating), silos, wood substitute, plastic lumber, wood composites, walls, surfaces, furniture, decorative foil, floor coverings (interior and exterior applications), flooring, duck boards, and tiles.
  • IV-1) Plates (walls and cutting board), trays, artificial grass, astroturf, artificial covering for stadium rings (athletics), artificial floor for stadium rings (athletics), and tapes.
  • V) Films (packaging, dump, laminating, agriculture and horticulture, greenhouse, mulch, tunnel, silage), bale wrap, swimming pools, waste bags, wallpaper, stretch film, raffia, desalination film, batteries, and connectors.
  • VI-2) Storage systems such as boxes (crates), luggage, chest, household boxes, pallets, shelves, tracks, screw boxes, packs, and cans.
  • Extrusion coating photo paper, tetrapack, pipe coating
  • household articles of any kind e.g. appliances, thermos bottle/clothes hanger
  • fastening systems such as plugs, wire and cable clamps, zippers, closures, locks, and snap-closures.
  • Support devices articles for the leisure time such as sports and fitness devices, gymnastics mats, ski-boots, inline-skates, skis, big foot, athletic surfaces (e.g. tennis grounds); screw tops, tops and stoppers for bottles, and cans.
  • sports and fitness devices gymnastics mats, ski-boots, inline-skates, skis, big foot, athletic surfaces (e.g. tennis grounds); screw tops, tops and stoppers for bottles, and cans.
  • Footwear shoes I shoe-soles
  • insoles spats
  • adhesives structural adhesives
  • food boxes fruits, vegetables, meat, fish
  • synthetic paper labels for bottles, couches, artificial joints (human), printing plates (flexographic), printed circuit boards, and display technologies.
  • a preferred embodiment of the present invention relates to shaped articles, in particular containers or boxes for food packaging and storage, containers or boxes for non-food packaging, medical devices and appliances, films for packaging, bottles and cups for beverages, any of which are based on plastic resin compositions as described above.
  • a molded article is preferred. The molding is in particular performed by injection-, blow-, compression- or rotational-molding, by thermoforming or extrusion.
  • a further preferred embodiment of the present invention relates to a monoaxially-oriented film or a biaxially-oriented film which has been formed by stretching a cast film based on resin compositions as described above.
  • a multilayer system in which one or more layers contain a resin composition as described above is also of significance in the sense of the present invention.
  • an additive mixture according to the instant invention facilitates the processing and improves the homogeneity of additives' distribution in a polymer.
  • RTM IRGANOX B 215
  • RTM Fischer-Tropsch wax
  • Compound (II-1) in a Henschel mixer.
  • the formulations are compounded twice on a Berstorff ZE 25 ⁇ 46D (RTM) at 250° C.
  • the granules obtained after compounding are used for injection molding on Arburg 320 S (RTM) at 240° C. to produce 1 mm plaques.
  • Haze, clarity and transmittance of the plaques are measured on a Haze-Gard plus (BYK Gardner (RTM)) according ASTM D1003 and the yellowness Index is measured on a datacolor machine according ASTM D1925.
  • Formulation PP raco 2.0 kg Ca-stearate 750 ppm Irganox B 215 (RTM) 1000 ppm Compound (I-2) 2000 ppm AdSperse 868 (RTM) 5000 ppm Compound (II-1) 200 ppm Haze 14.78 Yellowness Index 1.07
  • a powdery mixture of 100 parts of compound (I-2), 20 parts of compound (II-1) and 11 parts of compound (III-1) is agitated in a ball mill operated at 180-220 rpm under ambient conditions for 3 hours.
  • the appearance of the resulting product as white powder differs from the originating powdery mixture by the significantly increased bulk density, better flow and feeding behavior as well as the reduced extend of dusting, bridging and agglomeration.
  • its microscopic homogeneity becomes apparent in optical micrographs and, particularly, by SEM (scanning electron microscope) investigations clearly illustrating the coating effect of the compound (III-1) used.

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  • Organic Chemistry (AREA)
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  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
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EP1668072A2 (fr) 2006-06-14
JP4684230B2 (ja) 2011-05-18
EP1668072B1 (fr) 2010-11-24
TW200523267A (en) 2005-07-16
SG147408A1 (en) 2008-11-28
CA2539779A1 (fr) 2005-04-07
TWI363776B (en) 2012-05-11
US8227541B2 (en) 2012-07-24
CA2539779C (fr) 2012-08-28
KR20060097112A (ko) 2006-09-13
ATE489427T1 (de) 2010-12-15
MY144529A (en) 2011-09-30
DE602004030268D1 (de) 2011-01-05
BRPI0414976A (pt) 2006-11-07
AR046033A1 (es) 2005-11-23
AU2004275999B2 (en) 2010-08-12
JP2007507570A (ja) 2007-03-29
WO2005030855A2 (fr) 2005-04-07
WO2005030855A3 (fr) 2005-06-23
US20090111719A1 (en) 2009-04-30

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