WO2008052998A1 - Corps moulés en polyester pauvres en émissions - Google Patents

Corps moulés en polyester pauvres en émissions Download PDF

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Publication number
WO2008052998A1
WO2008052998A1 PCT/EP2007/061711 EP2007061711W WO2008052998A1 WO 2008052998 A1 WO2008052998 A1 WO 2008052998A1 EP 2007061711 W EP2007061711 W EP 2007061711W WO 2008052998 A1 WO2008052998 A1 WO 2008052998A1
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WIPO (PCT)
Prior art keywords
weight
molding compositions
thermoplastic molding
components
compositions according
Prior art date
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PCT/EP2007/061711
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German (de)
English (en)
Inventor
Jens Assmann
Chirag Tejuja
Carsten Weiss
Michael Gall
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Basf Se
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Priority to JP2009535071A priority Critical patent/JP5553607B2/ja
Priority to CN2007800408447A priority patent/CN101535404B/zh
Priority to KR1020097011368A priority patent/KR101535309B1/ko
Publication of WO2008052998A1 publication Critical patent/WO2008052998A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • 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
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • 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
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/22—Thermoplastic resins
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Definitions

  • Preferred dicarboxylic acids are 2,6-naphthalenedicarboxylic acid, terephthalic acid and isophthalic acid or mixtures thereof.
  • Up to 30 mol%, preferably not more than 10 mol%, of the aromatic dicarboxylic acids can be replaced by aliphatic or cycloaliphatic dicarboxylic acids such as adipic acid, azelaic acid, sebacic acid, dodecanedioic acids and cyclohexanedicarboxylic acids.
  • the viscosity number of the polyesters (A) is generally in the range from 50 to 220, preferably from 80 to 160 (measured in a 0.5% strength by weight solution in a phenol / o-dichlorobenzene mixture (wt. 1 at 25 ° C) according to ISO 1628.
  • isophthalic acid 100 mol% isophthalic acid and 0 to 95 mol% terephthalic acid, in particular mixtures of about 80% terephthalic acid with 20% isophthalic acid to about equivalent mixtures of these two acids used.
  • talc is used which is a hydrated magnesium silicate of the composition Mg3 [(OH) 2 / Si4 ⁇ io] or 3MgO4SiO2 H2O.
  • Mg3 [(OH) 2 / Si4 ⁇ io] or 3MgO4SiO2 H2O.
  • Mn, Ti, Cr, Ni, Na and K may be present, wherein the OH group may be partially replaced by fluoride.
  • talc the particle size of which is 99.5% ⁇ 20 ⁇ m.
  • the particle size distribution is usually determined by sedimentation analysis and is preferably:
  • the carboxylic acids can be 1- or 2-valent. Examples which may be mentioned are pelargonic acid, palmitic acid, lauric acid, margaric acid, dodecanedioic acid, behenic acid and particularly preferably stearic acid, capric acid and montanic acid (mixture of fatty acids having 30 to 40 carbon atoms).
  • esters or amides are glycerol distearate, glycerol tristearate, ethylenediamine distearate, glycerol monopalmitate, glycerol trilaurate, glycerol monobehenate and pentaerythritol tetrastearate.
  • the dihydric alcohols may optionally contain other functionalities such as carbonyl, carboxy, alkoxycarbonyl or sulfonyl, such as dimethylolpropionic acid or dimethylol butyric acid, and their C1-C4 alkyl esters, but preferably the alcohols B2 have no other functionalities.
  • other functionalities such as carbonyl, carboxy, alkoxycarbonyl or sulfonyl, such as dimethylolpropionic acid or dimethylol butyric acid, and their C1-C4 alkyl esters, but preferably the alcohols B2 have no other functionalities.
  • At least trifunctional alcohols include glycerol, trimethylolmethane, trimethylolethane, trimethylolpropane, 1, 2,4-butanetriol, tris (hydroxymethyl) amine, tris (hydroxyethyl) amine, tris (hydroxypropyl) amine, pentaerythritol, diglycerol, triglycerol or higher condensation products of glycerol , Di (trimethylolpropane), di (pentaerythritol), trishydroxymethylisocyanurate, tris (hydroxyethyl) isocyanurate (THEIC), tris (hydroxypropyl) isocyanurate, inositols or sugars, such as, for example, glucoses, fructose or sucrose, sugar alcohols, for example Sorbitol, mannitol, threitol, erythritol, adonite (ribitol), arabitol (lyx
  • glycerol diglycerol, triglycerol, trimethylolethane, trimethylolpropane, 1, 2,4-butanetriol, pentaerythritol, tris (hydroxyethyl) isocyanurate and their polyetherols based on ethylene oxide and / or propylene oxide and 1, 1, 1-tris (hydroxymethylpropane), Stearyl alcohol, ethylene glycol, propylene glycol, neopentyl glycol particularly preferred, and 1, 1, 1-tris (hydroxymethyl) propane, stearyl alcohol, ethylene glycol, propylene glycol, neopentyl glycol.
  • the molding compositions according to the invention may contain from 0 to 40, in particular up to 20% by weight of further additives and processing aids which are different from B), and / or C) and / or D).
  • EPM ethylene-propylene
  • EPDM ethylene-propylene-diene
  • EPM rubbers generally have virtually no double bonds, while EPDM rubbers can have 1 to 20 double bonds / 100 carbon atoms.
  • diene monomers for EPDM rubbers for example, conjugated dienes such as isoprene and butadiene, non-conjugated dienes having 5 to 25 carbon atoms such as penta-1, 4-diene, hexa-1, 4-diene, hexa-1, 5 -diene, 2,5-dimethylhexa-1,5-diene and octa-1,4-diene, cyclic dienes such as cyclopentadiene, cyclohexadienes, cyclooctadienes and dicyclopentadienes, and also alkenylnorbornenes such as 5-ethylidene-2-norbornene, 5- Butylidene-2-norbornene, 2-methallyl-5-norbornene, 2-isopropenyl-5-norbornene and tricyclodienes such as 3-methyltricyclo (5.2.1.0.2.6) -3,8-decadiene or mixtures thereof.
  • EPM or EPDM rubbers may preferably also be grafted with reactive carboxylic acids or their derivatives.
  • reactive carboxylic acids or their derivatives e.g. Acrylic acid, methacrylic acid and its derivatives, e.g. Glycidyl (meth) acrylate, and called maleic anhydride.
  • Another group of preferred rubbers are copolymers of ethylene with acrylic acid and / or methacrylic acid and / or the esters of these acids.
  • the rubbers may also contain dicarboxylic acids such as maleic acid and fumaric acid or derivatives of these acids, for example esters and anhydrides, and / or monomers containing epoxy groups.
  • dicarboxylic acid derivatives or monomers containing epoxy groups are preferably incorporated into the rubber by adding monomers containing dicarboxylic acid or epoxy groups of the general formulas I or II or III or IV to the monomer mixture
  • R 1 C (COOR 2 ) C (COOR 3 )
  • R 1 to R 9 are hydrogen or alkyl groups having 1 to 6 carbon atoms and m is an integer from 0 to 20, g is an integer from 0 to 10 and p is an integer from 0 to 5.
  • esters of acrylic and / or methacrylic acid are the methyl, ethyl, propyl and i- or t-butyl esters.
  • vinyl esters and vinyl ethers can also be used as comonomers.
  • the ethylene copolymers described above can be prepared by methods known per se, preferably by random copolymerization under high pressure and elevated temperature. Corresponding methods are generally known.
  • Preferred elastomers are also emulsion polymers, their preparation e.g. at Blackley in the monograph "Emulsion Polymerization".
  • the usable emulsifiers and catalysts are known per se.
  • homogeneously constructed elastomers or those with a shell structure can be used.
  • the shell-like structure is determined by the order of addition of the individual monomers; the morphology of the polymers is also influenced by this order of addition.
  • acrylates such as e.g. N-butyl acrylate and 2-ethylhexyl acrylate, corresponding methacrylates, butadiene and isoprene and their mixtures called.
  • monomers for the preparation of the rubber portion of the elastomers acrylates such as e.g. N-butyl acrylate and 2-ethylhexyl acrylate, corresponding methacrylates, butadiene and isoprene and their mixtures called.
  • monomers can be reacted with other monomers such as e.g. Styrene, acrylonitrile, vinyl ethers and other acrylates or methacrylates such as methyl methacrylate, methyl acrylate, ethyl acrylate and propyl acrylate are copolymerized.
  • the soft or rubber phase (with a glass transition temperature below 0 ° C.) of the elastomers can be the core, the outer shell or a middle shell (in the case of elastomers with more than two-shelled construction); In the case of multi-shell elastomers, several shells may also consist of one rubber phase.
  • one or more hard components on the structure of the elastomer, so these are generally prepared by polymerization of styrene, acrylonitrile, methacrylonitrile, ⁇ -methylstyrene, p-methylstyrene , Acrylic acid esters and methacrylic acid esters such as Methyl acrylate, ethyl acrylate and methyl methacrylate prepared as major monomers. In addition, smaller proportions of other comonomers can also be used here.
  • emulsion polymers which have reactive groups on the surface.
  • groups are e.g. Epoxy, carboxyl, latent carboxyl, amino or amide groups, and functional groups obtained by concomitant use of monomers of the general formula
  • R 10 is hydrogen or a C 1 to C 4 alkyl group
  • R 11 is hydrogen, a C 1 - to C 5 -alkyl group or an aryl group, in particular phenyl,
  • R 12 is hydrogen, a d- to Cio-alkyl, C 6 - to C 2 -aryl or -OR 13
  • R 13 is a C 1 - to C 5 -alkyl or C 6 - to C 12 -aryl group which may optionally be substituted by O- or N-containing groups,
  • X is a chemical bond, a C 1 -C 10 -alkylene or C 6 -C 12 -arylene group or
  • Z is a C 1 -C 10 -alkylene or C 6 -C 12 -arylene group.
  • the graft monomers described in EP-A 208 187 are also suitable for introducing reactive groups on the surface.
  • Further examples which may be mentioned are acrylamide, methacrylamide and substituted esters of acrylic acid or methacrylic acid, such as (Nt-butylamino) -ethyl methacrylate, (N, N-dimethylamino) ethyl acrylate, (N, N-dimethylamino) -methyl acrylate and (N, N-) Diethylamino) ethyl acrylate.
  • the particles of the rubber phase can also be crosslinked.
  • monomers acting as crosslinkers are buta-1,3-diene, divinylbenzene, diallyl phthalate and dihydrodicyclopentadienyl acrylate, and also the compounds described in EP-A 50 265.
  • graft-linking monomers can also be used, i. Monomers having two or more polymerizable double bonds, which react at different rates in the polymerization. Preferably, those compounds are used in which at least one reactive group polymerizes at about the same rate as the other monomers, while the other reactive group (or reactive groups) e.g. polymerized much slower (polymerize).
  • the different polymerization rates bring a certain proportion of unsaturated double bonds in the rubber with it. If a further phase is subsequently grafted onto such a rubber, the double bonds present in the rubber react at least partially with the grafting monomers to form chemical bonds, ie. the grafted phase is at least partially linked via chemical bonds to the graft base.
  • graft-crosslinking monomers examples include allyl-containing monomers, in particular allyl esters of ethylenically unsaturated carboxylic acids, such as allyl acrylate, allyl methacrylate, diallyl maleate, diallyl fumarate, diallyl itaconate or the corresponding monoallyl compounds of these dicarboxylic acids.
  • allyl-containing monomers such as allyl acrylate, allyl methacrylate, diallyl maleate, diallyl fumarate, diallyl itaconate or the corresponding monoallyl compounds of these dicarboxylic acids.
  • allyl-containing monomers in particular allyl esters of ethylenically unsaturated carboxylic acids, such as allyl acrylate, allyl methacrylate, diallyl maleate, diallyl fumarate, diallyl itaconate or the corresponding monoallyl compounds of these dicarboxylic acids.
  • the proportion of these crosslinking monomers in the impact-modifying polymer is up to 5% by weight, preferably not more than 3% by weight, based on the impact-modifying polymer.
  • graft polymers having a core and at least one outer shell, which have the following structure:
  • graft polymers in particular ABS and / or ASA polymers in amounts of up to 40% by weight, are preferably used for the impact modification of PBT, if appropriate in a mixture with up to 40% by weight of polyethylene terephthalate.
  • Corresponding blend products are available under the trademark Ultradur®S (formerly Ultrablend®S from BASF AG).
  • graft polymers having a multi-shell structure instead of graft polymers having a multi-shell structure, homogeneous, i. single-shell elastomers of buta-1, 3-diene, isoprene and n-butyl acrylate or copolymers thereof are used. These products can also be prepared by concomitant use of crosslinking monomers or monomers having reactive groups.
  • emulsion polymers examples include n-butyl acrylate / (meth) acrylic acid copolymers, n-butyl acrylate / glycidyl acrylate or n-butyl acrylate / glycidyl methacrylate copolymers, graft polymers having an inner core of n-butyl acrylate or butadiene-based and an outer shell of the above copolymers and copolymers of ethylene with comonomers which provide reactive groups.
  • the elastomers described can also be prepared by other customary processes, for example by suspension polymerization. Silicone rubbers, as described in DE-A 37 25 576, EP-A 235 690, DE-A 38 00 603 and EP-A 319 290, are likewise preferred.
  • fibrous or particulate fillers E there may be mentioned carbon fibers, glass fibers, glass spheres, amorphous silica, asbestos, calcium silicate, calcium metasilicate, magnesium carbonate, kaolin, chalk, powdered quartz, mica, barium sulfate and feldspar, which are present in quantities of up to 20 Wt .-%, in particular up to 10 wt .-% are used.
  • Preferred mixing ratios with component B) are 40-70% by weight of component B) and 65 to 25% by weight of fillers E); preferred mixing ratios B) to E) are from 100: 1 to 2: 1.
  • Preferred fibrous fillers are carbon fibers, aramid fibers and potassium titanate fibers, glass fibers being particularly preferred as E glass. These can be used as rovings or cut glass in the commercial forms.
  • the fibrous fillers can be surface-pretreated for better compatibility with the thermoplastic with a silane compound.
  • Suitable silane compounds are those of the general formula
  • n is an integer from 2 to 10, preferably 3 to 4
  • m is an integer from 1 to 5, preferably 1 to 2
  • k is an integer from 1 to 3, preferably 1.
  • Preferred silane compounds are aminopropyltrimethoxysilane, aminobutyltrimethoxysilane, aminopropyltriethoxysilane, aminobutyltriethoxysilane and the corresponding silanes which contain a glycidyl group as substituent X.
  • the silane compounds are generally used in amounts of 0.05 to 5, preferably 0.5 to 1, 5 and in particular 0.8 to 1 wt .-% (based on E) for surface coating.
  • fillers include kaolin, calcined kaolin, wollastonite and chalk.
  • thermoplastic molding compositions of the invention may contain conventional processing aids such as stabilizers, antioxidants, agents against heat decomposition and decomposition by ultraviolet light, lubricants and mold release agents, colorants such as dyes and pigments, nucleating agents, plasticizers, etc.
  • processing aids such as stabilizers, antioxidants, agents against heat decomposition and decomposition by ultraviolet light, lubricants and mold release agents, colorants such as dyes and pigments, nucleating agents, plasticizers, etc.
  • oxidation inhibitors and heat stabilizers are sterically hindered phenols and / or phosphites, hydroquinones, aromatic secondary amines such as diphenylamines, various substituted representatives of these groups and their mixtures in concentrations of up to 1% by weight, based on the weight of the thermoplastic molding compositions called.
  • UV stabilizers which are generally used in amounts of up to 2% by weight, based on the molding composition, of various substituted resorcinols, salicylates, benzotriazoles and benzophenones may be mentioned.
  • inorganic pigments such as titanium dioxide, ultramarine blue, iron oxide and carbon black, furthermore organic pigments such as phthalocyanines, quinacridones, perylenes and also dyes such as nigrosine and anthraquinones as colorants.
  • sodium phenylphosphinate, alumina, silica and preferably talc may be used as nucleating agents.
  • Lubricants and mold release agents which are different from C are usually used in amounts of up to 1% by weight.
  • Preferred are long-chain fatty acids (eg stearic acid or behenic acid), their salts (eg Ca or Zn stearate) or montan waxes (mixtures of straight-chain, saturated carboxylic acids with chain lengths of 28 to 32 C atoms) and Ca or Na montanate and also low molecular weight polyethylene or polypropylene waxes.
  • plasticizers are dioctyl phthalate, dibenzyl phthalate, butyl benzyl phthalate, hydrocarbon oils and N- (n-butyl) benzenesulfonamide.
  • the novel molding materials may contain from 0 to 2% by weight of fluorine-containing ethylene polymers. These are polymers of ethylene with a fluorine content of 55 to 76 wt .-%, preferably 70 to 76 wt .-%.
  • PTFE polytetrafluoroethylene
  • tetrafluoroethylene-hexafluoropropylene copolymers or tetrafluoroethylene copolymers with smaller proportions (generally up to 50% by weight) of copolymerizable ethylenically unsaturated monomers.
  • PTFE polytetrafluoroethylene
  • tetrafluoroethylene-hexafluoropropylene copolymers or tetrafluoroethylene copolymers with smaller proportions (generally up to 50% by weight) of copolymerizable ethylenically unsaturated monomers.
  • fluorine-containing ethylene polymers are homogeneously distributed in the molding compositions and preferably have a particle size dso (number average) in the range from 0.05 to 10 ⁇ m, in particular from 0.1 to 5 ⁇ m. These small particle sizes can be achieved particularly preferably by using aqueous dispersions of fluorine-containing ethylene polymers and incorporating them into a polyester melt.
  • thermoplastic molding compositions according to the invention can be prepared by processes known per se, in which mixing the starting components in conventional mixing devices such as screw extruders, Brabender mills or Banbury mills and then extruded. After extrusion, the extrudate can be cooled and comminuted. It is also possible to premix individual components and then to add the remaining starting materials individually and / or likewise mixed.
  • the mixing temperatures are usually 230 to 290 ° C.
  • the components B), C) and / or D) can be mixed with a polyester prepolymer, formulated and granulated.
  • the resulting granules are then condensed in solid phase under inert gas continuously or discontinuously at a temperature below the melting point of component A) to the desired viscosity.
  • thermoplastic molding compositions according to the invention are characterized by good flowability and reduced emission.
  • the molding compositions described are particularly suitable for applications with service temperatures> 50 0 C.
  • the use is particularly preferred for the production of lighting elements selected from headlamp parts, lamp parts, diaphragms or their components, headlight covers or their components, lamp covers or their components, side coverings, skins, structural parts in lighting systems, exterior lighting or its components, or hulls, Lawn mower housings and motorcycle parts containing lighting elements.
  • the use is characterized in that the lighting elements are headlamp parts in motor vehicles.
  • the shaped bodies are preferably characterized in that the shaped bodies are lighting elements.
  • the shaped bodies are characterized in that the lighting elements are selected from headlight parts, lamp parts, diaphragms or their components, headlight covers or their components, lamp covers or their components, side coverings, skins, structural parts in lighting installations, exterior lighting or its components, or boat bodies.
  • mower housings and motorcycle parts containing lighting elements are selected from headlight parts, lamp parts, diaphragms or their components, headlight covers or their components, lamp covers or their components, side coverings, skins, structural parts in lighting installations, exterior lighting or its components, or boat bodies.
  • the moldings are characterized in that the lighting elements are headlamp parts in motor vehicles.
  • pentaerythritol tetrastearate the commercial product Loxiol® EP 861 from Cognis was used.
  • the components A to D were homogenized according to the compositions listed in Table 2 on a twin-screw extruder ZSK 30 from. Werner & Pfleiderer at 250 0 C, the mixture extruded into a water bath, granulated and dried. From the granules were injected on an injection molding machine at 260 0 C melt temperature and 8O 0 C mold surface temperature round disks, shoulder bars or standard small bars and then tested.
  • the amount of reactive monomers was chosen so that the product Mass fraction x valency / molecular weight
  • Valence is defined here as a number of functional groups.
  • hexamethylenediamine is bivalent
  • trimesic acid is trivalent.
  • the glass plates according to DIN 75 201 obtained were examined on a haze-gard plus device from BYK-Gardner GmbH (Geretsried, DE) according to ASTM D 1003 for total transmission, haze and image sharpness.
  • the haze (Haze) is the diffuse transmission, measurable as large-angle scattering with over 2.5 ° deviation from the incident light beam, and the image clarity (clarity) the diffuse transmission, measurable as small-angle scattering in an angular range less than 2.5 °.
  • the melt volume rate MVR was measured at 266 0 C melting temperature and 2.16 kg nominal load according to ISO 1 133.
  • the VZ was measured according to ISO 1628.
  • compositions according to the invention show improved flowability and good emission properties.

Abstract

La présente invention concerne des corps moulés thermoplastiques contenant A) 10 à 98 % en poids d'au moins un polyester a) à i), distinct du polyéthylène téréphtalate (PET), lequel contient de 1 à 50 % en poids, basé sur 100 % de A, de PET a2), B) 1 à 40 % en poids de talc, C) 0,01 à 5 % en poids d'un lubrifiant, D) 0,05 à 5 % en poids d'un alcool, E) 0 à 40 % en poids d'autres additifs, la somme des pourcentages en poids des composants A) à E) donnant 100 %.
PCT/EP2007/061711 2006-11-03 2007-10-31 Corps moulés en polyester pauvres en émissions WO2008052998A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009535071A JP5553607B2 (ja) 2006-11-03 2007-10-31 低放出ポリマー成形材料
CN2007800408447A CN101535404B (zh) 2006-11-03 2007-10-31 低排放聚酯模塑材料
KR1020097011368A KR101535309B1 (ko) 2006-11-03 2007-10-31 저방출성 폴리에스테르 성형 물질

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06123409.2 2006-11-03
EP06123409 2006-11-03

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WO2008052998A1 true WO2008052998A1 (fr) 2008-05-08

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KR (1) KR101535309B1 (fr)
CN (1) CN101535404B (fr)
MY (1) MY157736A (fr)
WO (1) WO2008052998A1 (fr)

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JP2009173899A (ja) * 2007-12-26 2009-08-06 Toray Ind Inc 熱可塑性ポリエステル樹脂組成物
EP2463338A1 (fr) * 2010-12-13 2012-06-13 LANXESS Deutschland GmbH Compositions de polyester
JP2013010856A (ja) * 2011-06-29 2013-01-17 Toyobo Co Ltd 熱可塑性ポリエステル樹脂組成物、およびこれを用いた光反射体
US10544258B2 (en) 2015-08-28 2020-01-28 Sabic Global Technologies B.V. Poly(butylene terephthalate) method and associated composition and article
US10920070B2 (en) * 2015-05-26 2021-02-16 Sabic Global Technologies B.V. Poly(butylene terephthalate) composition and associated article

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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KR101233372B1 (ko) * 2008-12-30 2013-02-18 제일모직주식회사 폴리에스테르 수지 조성물
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KR101535309B1 (ko) 2015-07-08
CN101535404B (zh) 2011-11-23
KR20090088388A (ko) 2009-08-19

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