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EP3697847A1 - Composition de polycarbonate ignifuge, renforcée par une charge, à faible teneur en bisphénol-a - Google Patents

Composition de polycarbonate ignifuge, renforcée par une charge, à faible teneur en bisphénol-a

Info

Publication number
EP3697847A1
EP3697847A1 EP18731479.4A EP18731479A EP3697847A1 EP 3697847 A1 EP3697847 A1 EP 3697847A1 EP 18731479 A EP18731479 A EP 18731479A EP 3697847 A1 EP3697847 A1 EP 3697847A1
Authority
EP
European Patent Office
Prior art keywords
component
weight
polymer
composition according
vinyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18731479.4A
Other languages
German (de)
English (en)
Inventor
Thomas Eckel
Sven Hobeika
Ralf Hufen
Andreas Seidel
Burkhard Thuermer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Intellectual Property GmbH and Co KG
Original Assignee
Covestro Deutschland AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Covestro Deutschland AG filed Critical Covestro Deutschland AG
Publication of EP3697847A1 publication Critical patent/EP3697847A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/12—Copolymers of styrene with unsaturated nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C08L69/005—Polyester-carbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L85/00—Compositions of macromolecular compounds obtained by reactions forming a linkage in the main chain of the macromolecule containing atoms other than silicon, sulfur, nitrogen, oxygen and carbon; Compositions of derivatives of such polymers
    • C08L85/02—Compositions of macromolecular compounds obtained by reactions forming a linkage in the main chain of the macromolecule containing atoms other than silicon, sulfur, nitrogen, oxygen and carbon; Compositions of derivatives of such polymers containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L87/00—Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
    • C08L87/005—Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Definitions

  • Variation of the amount and type of Japanese es tandteil e can be the compositions and thus the moldings produced in a wide range in terms of their thermal, rheological and mechanical properties adapt to the requirements of each application.
  • thermoplastic molding compositions used for this purpose have good melt flowability in order to enable processing into thin-walled components at a low melt temperature.
  • J 2011153294 A describes compositions comprising styrene resin, polycarbonate, polycarbonate grafting S AN copolymer and fillers in which styrene resin and polycarbonate have a dispersed structure with a phase separation of 0.001 to 1 pm
  • CN 102516734 A discloses flame-retardant PC + ABS compositions with improved surface impact resistance comprising polycarbonate, acrylonitrile-butadiene-styrene polymer, impact modifier, a compatibilizer and a phosphoric acid ester as flame retardant.
  • thermoplastic polycarbonates including the thermoplastic aromatic polyester carbonates have average molecular weights M w determined by GPC (gel permeation chromatography in methylene chloride with polycarbonate based on bisphenol A as a standard) of from 20,000 g / mol to 50,000 g / mol, preferably from 23,000 g / mol to 40,000 g / mol, in particular from 26,000 g / mol to 35,000 g / mol.
  • E in part, up to 80 mol%, preferably from 20 mol% up to 50 mol%, of the carbonate groups in the polycarbonates used according to the invention may be replaced by aromatic dicarboxylic acid ester groups.
  • the preparation of the polycarbonates is carried out in a known manner from diphenols, carbonic acid derivatives, optionally chain terminators and optionally branching agents, wherein the preparation of the polyester carbonates a part of the carbonic acid derivatives is replaced by aromatic dicarboxylic acids or derivatives of dicarboxylic acids, depending on the proviso in the aromatic polycarbonates carbonate structural units to be replaced by aromatic dicarboxylic ester structural units.
  • Z is an aromatic radical having 6 to 30 C atoms, which may contain one or more aromatic nuclei, may be substituted and may contain aliphatic or cycloaliphatic radicals or alkylaryls or heteroatoms as bridge members.
  • X for a single bond, -SO .--, -CO-, -O-. -S-, G- to G-alkylene, G to G alkylidene or G to G cycloalkylidene, which may be substituted by G to G alkyl, preferably methyl or ethyl, further for G - to Cn- Arylene, which may optionally be condensed with other heteroatom-containing aromatic rings is.
  • X is preferably a single bond, C to C 5 -alkylene, C to C 5 -alkylidene, C to C 6 -cycloalkylidene, -O-. -SO-. -CO-, -S-, -S0 2 - or for a radical of the formula (IIa)
  • Diphenols suitable for the preparation of the polycarbonates to be used according to the invention are, for example, hydroquinone, resorcinol, dihydroxydiphenyl, bis (hydroxyphenyl) alkanes, bis (hydroxyphenyl) -cycloalkanes, bis (hydroxyphenyl) sulfides, bis (hydroxyphenyl) ethers, Bis (hydroxyphenyl) ketones, bis (hydroxyphenyl) sulfones, bis (hydroxyphenyl) sulfoxides, ⁇ , ⁇ '-bis (hydroxyphenyl) diisopropylbenzenes, and their alkylated, nuclear alkylated and nuclear halogenated compounds.
  • the chain terminator (s) are added after phosgenation at one point or at a time when phosgene is no longer present but the catalyst has not yet been metered or are added in front of the catalyst, together with the catalyst or in parallel.
  • branching compounds having three or more than three phenolic hydroxyl groups include, for example, phloroglucinol, 4,6-dimethyl-2,4,6-tri- (4-hydroxyphenyl) -heptene-2, 4,6-dimethyl-2, 4,6-tris (4-hydroxyphenyl) heptane, 1,3,5-tris (4-hydroxyphenyl) benzene, 1,1,1-tris (4-hydroxyphenyl) ethane, tris (4 -hydroxyphenyl) -phenylmethane, 2,2-bis [4,4-bis (4-hydroxyphenyl) -cyclohexyl] -propane, 2,4-bis (4-hydroxyphenyl-isopropyl) -phenol, tetra- (4 hydroxyphenyl) methane.
  • these are reaction products of aromatic dicarboxylic acids or their reactive derivatives, such as dimethyl esters or anhydrides, and aliphatic, cycloaliphatic or araliphatic diols, and mixtures of these reaction products.
  • Bi.l 5 to 95 wt .-%, preferably 10 to 70 wt .-%, particularly preferably 20 to 60 wt .-%, based on the component B 1.
  • Bl.1.1 65 to 85 wt .-%, preferably 70 to 80 wt .-%, based on Bl .l, of at least one monomer selected from the group of vinyl aromatics (such as styrene, methyl styrene), ring-substituted vinyl aromatic (such as p-methylstyrene, p-chlorostyrene) and methacrylic acid (C1-C8) alkyl esters (such as methyl methacrylate, ethyl methacrylate) and
  • vinyl aromatics such as styrene, methyl styrene
  • ring-substituted vinyl aromatic such as p-methylstyrene, p-chlorostyrene
  • methacrylic acid (C1-C8) alkyl esters such as methyl methacrylate, ethyl methacrylate
  • the glass transition temperature for all components by means of differential scanning calorimetry (DSC) according to DIN EN 61006 (version of 1994) at a heating rate of 10 K / min with determination of the Tg as the midpoint temperature (tangent method ).
  • the graft polymers B 1 optionally comprise additives and / or process auxiliaries contained in the preparation, such as emulsifiers, precipitants, stabilizers and reaction initiators, which are not completely removed in the work-up described above. These may be Brönsted-basic or Brönsted-sour nature.
  • component C comprises a polymer prepared by copolymerization of styrene and at least one vinyl monomer copolymerizable with styrene copolymerizable epoxy groups.
  • vinyl monomers are selected from the group consisting of vinylaromatics (such as ⁇ -methylstyrene), nuclear substituted vinylaromatics (such as p-methylstyrene, p-chlorostyrene), (meth) acrylic acid (C 1 -C 8) -alkyl esters (such as, for example, methyl methacrylate, n-butyl acrylate, tert-butyl acrylate), vinyl cyanides (such as, for example, acrylonitrile and methacrylonitrile), unsaturated carboxylic acids (for example maleic acid and N-phenyl-maleic acid) and derivatives of unsaturated carboxylic acids (for example, maleic anhydride and N-phenyl-maleimide). Particularly preferred is acrylonitrile used as another copolymerizable vinyl monomer.
  • vinylaromatics such as ⁇ -methylstyrene
  • nuclear substituted vinylaromatics such as p-methylsty
  • Such block or graft polymers are obtained, for example, by the above-mentioned polymer selected from the group consisting of polycarbonate, polyester, polyester carbonate, polyolefin, polyacrylate and polymethacrylate in the monomer mixture of styrene and optionally copolymerizable with styrene vinyl monomers, including optionally and preferably also containing epoxide groups Vinyl monomer is swollen or dissolved, for which purpose optionally a preferably non-aqueous Coendingstoff can be used, and with an organic peroxide as an initiator for a radical polymerization by T emp ererhöerhöhung and subsequent melt compounding is reacted.
  • the above-mentioned polymer selected from the group consisting of polycarbonate, polyester, polyester carbonate, polyolefin, polyacrylate and polymethacrylate in the monomer mixture of styrene and optionally copolymerizable with styrene vinyl monomers, including optionally
  • Phosphorus-containing flame retardants D in the sense of the invention are selected from the groups of mono- and oligomeric phosphoric and phosphonic acid esters, phosphonatoamines and phosphazenes, it also being possible to use mixtures of a plurality of components selected from one or more of these groups as flame retardants.
  • Mono- and oligomeric phosphoric or phosphonic acid esters in the context of this invention are
  • R 1 , R 2 , R 3 and R 4 independently of one another represent Cl to C 4 alkyl, phenyl, naphthyl or phenyl-C 1 -C 4 -alkyl.
  • the aromatic groups R 1 , R 2 , R 3 and R 4 may in turn be substituted by halogen and / or alkyl groups, preferably chlorine, bromine and / or C 1 to C 4 alkyl.
  • Particularly preferred aryl radicals are resyl, phenyl, xylenyl, propylphenyl or butylphenyl and the corresponding brominated and chlorinated derivatives thereof.
  • Suitable mineral fillers based on talcum in the context of the invention are all particulate fillers which the skilled person combines with talc or talc. Likewise, all particulate fillers that are commercially available and whose product descriptions contain the terms talc or talcum as characterizing features come into question.
  • mineral fillers which have a content of talc according to DIN 55920 of greater than 50% by weight, preferably greater than 80% by weight, particularly preferably greater than 95% by weight and particularly preferably greater than 98% by weight, based on the Have total mass of filler.
  • the talc-based mineral fillers to be used according to the invention preferably have an upper particle or particle size dgs of less than 10 ⁇ m, preferably less than 7 ⁇ m, particularly preferably less than 6 ⁇ m and particularly preferably less than 4.5 ⁇ m.
  • the dgs and dso values of the fillers are determined by sedimentation analysis with SEDIGRAPH D 5 000 according to ISO 13317-3.
  • component E1 is a sized glass fiber with E1a of a glass fiber selected from at least one component of the group consisting of continuous fibers (rovings), long glass fibers and cut glass fibers,
  • the size Elb consists exclusively of the epoxy polymer (ie the size Elb is free of further polymers).
  • the epoxide polymer of the size Elb may be, for example, an epoxy resin, an epoxy resin ester or an epoxy resin polyurethane.
  • the epoxy polymer according to the component is an epoxy resin prepared from epichlorohydrin, and a preferably aromatic alcohol having at least two hydroxyl groups.
  • the average particle diameter (dso value) of the kaolin used can be from 0.1 ⁇ m to 5.0 ⁇ m, preferably from 0.2 ⁇ m to 2.0 ⁇ m, and particularly preferably from 0.8 ⁇ m to 1.8 ⁇ m. If the average particle diameter is less than 0.1 ⁇ , the filler does not significantly improve the impact resistance and surface hardness, while the use of a kaolin having an average particle diameter of more than 5.0 ⁇ leads to surface defects and reduced toughness.
  • R 1 H, alkyl, aryl, alkylaryl, alkenyl, cycloalkyl, vinyl, amino, mercapto, acetoxy, alkoxy,
  • M Si.
  • Preferred radicals X, R 1 and R 2 are hydrogen, alkyl, aryl, alkylaryl, alkenyl, cycloalkyl or vinyl groups which may be substituted or unsubstituted and optionally interrupted by heteroatoms.
  • X, R ! and R 2 may each independently be the same or different, wherein the same X or R are preferred.
  • hydrocarbon radicals X, R 1 and R 2 are alkyl radicals, such as, for example, methyl, ethyl, n-propyl, iso-propyl, n-butyl, isobutyl, tert-butyl, n-pentyl -, iso-pentyl, neo-pentyl, tert-pentyl, hexyl, such as n-hexyl, heptyl, such as n-heptyl, octyl, such as the n-octyl and iso-octyl, such as 2,2 , 4-trimethylpentyl, nonyl, such as n-nonyl, decyl, such as n-decyl, dodecyl, such as n-dodecyl, octadecyl, such as n-octadecyl; Cyclo
  • the composition contains pentaerythritol tetrastearate as a mold release agent.
  • Epoxy group-containing vinyl monomer returning structural elements
  • the invention relates to a composition according to one of the preceding embodiments, characterized in that as component C, a block or graft polymer is used which contains structural units derived from styrene and at least one epoxide group-containing vinyl monomers.
  • the invention relates to a composition according to embodiment 18, characterized in that component A has a weight fraction of phenolic OH groups of 50 to 2000 ppm, preferably 80 to 1000 ppm, particularly preferably 100 to 700 ppm.
  • component C has a weight ratio of styrene to on epoxy group-containing vinyl monomers derived structural elements of 100: 1 to 1: 1 and wherein the amounts of components A) to F) are independent of each other.
  • the invention relates to a process for the preparation of a molding composition, characterized in that the constituents of a composition according to one of embodiments 1 to 23 are mixed together at a temperature of 200 to 320 ° C, in particular at 240 to 320 ° C, preferably at 260 to 300 ° C.
  • the invention relates to a use of a composition according to one of embodiments 1 to 23 or a molding composition according to embodiment 25 or 26 for the production of moldings.
  • the invention relates to a shaped body obtainable from a composition according to one of the embodiments 1 to 23 or from a molding compound according to embodiment 25 or 26.
  • Cycolac INP 449 Polytetrafluoroethylene (PTFE) preparation from Sabic consisting of 50 wt% PTFE contained in a SAN copolymer matrix.
  • the MVR is determined according to ISO 1 133 (2012 version) at 240 ° C using a 5 kg punch load. This value is indicated in Table 1 as the "MVR value of the original sample”.
  • the impact resistance is determined at 23 ° C. according to ISO 179 / ieU (version from 2010) on test specimens measuring 80 mm ⁇ 10 mm ⁇ 4 mm.
  • Table 2 show that only with the compositions containing the inventive content of talc and component C a combination of improved mechanical properties, reduced flame retardancy, improved chemical resistance in the ESC test, improved hydrolysis resistance, improved stability on storage at elevated temperature and a lower residual content of BPA is achieved.
  • a particularly favorable profile of properties is achieved when the proportion of component C is in the range from 3.0 to 6.0% by weight. The above properties are most improved and the increase in melt viscosity is still within acceptable limits.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne une composition pour la production d'une matière à mouler thermoplastique, ladite composition contenant au moins les constituants suivants ou étant constituée de : A) 45,0 à 95,0 % en poids d'au moins un polymère choisi dans le groupe constitué par un polycarbonate aromatique, un carbonate de polyester aromatique et un polyester aromatique, B) 1,0 % à 35,0 % en poids d'un polymère exempt de groupes époxydes, constitué de B1) un polymère greffé modifié par du caoutchouc et de B2) éventuellement un (co)polymère de vinyle exempt de caoutchouc, C) 0,1 à 10,0 % en poids d'un polymère contenant des éléments structuraux issus de styrène et d'un monomère vinylique contenant des groupes époxydes, D) 1,0 à 20,0 % en poids d'agent ignifuge contenant du phosphore, E) 1,0 à 35,0 % en poids de charge, et F) 0,1 à 10,0 % en poids d'additifs, le composant C présentant un rapport en poids entre les éléments structuraux issus de styrène et les élément structuraux issus de monomères vinyliques contenant des groupes époxydes, de 100 : 1 à 1 : 1. L'invention concerne également l'utilisation de la composition et un procédé de fabrication d'une telle matière à mouler ainsi que la matière à mouler elle-même. L'invention concerne en outre un corps moulé obtenu à partir de ladite matière à mouler.
EP18731479.4A 2017-10-16 2018-06-22 Composition de polycarbonate ignifuge, renforcée par une charge, à faible teneur en bisphénol-a Withdrawn EP3697847A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17196675 2017-10-16
PCT/EP2018/066724 WO2019076495A1 (fr) 2017-10-16 2018-06-22 Composition de polycarbonate ignifuge, renforcée par une charge, à faible teneur en bisphénol-a

Publications (1)

Publication Number Publication Date
EP3697847A1 true EP3697847A1 (fr) 2020-08-26

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EP18731479.4A Withdrawn EP3697847A1 (fr) 2017-10-16 2018-06-22 Composition de polycarbonate ignifuge, renforcée par une charge, à faible teneur en bisphénol-a

Country Status (6)

Country Link
US (1) US20210047512A1 (fr)
EP (1) EP3697847A1 (fr)
KR (1) KR20200060417A (fr)
CN (1) CN111201282A (fr)
TW (1) TW201922922A (fr)
WO (1) WO2019076495A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102395471B1 (ko) * 2016-12-28 2022-05-09 코베스트로 도이칠란트 아게 우수한 저온 인성, 고광택, 및 높은 가공 안정성을 갖는 조성물 및 열가소성 성형 배합물
CN111154246B (zh) * 2018-11-07 2023-12-19 万华化学集团股份有限公司 玻璃纤维增强聚碳酸酯组合物及其制备方法和用途
KR102844653B1 (ko) * 2022-05-23 2025-08-08 롯데케미칼 주식회사 열가소성 수지 조성물 및 이로부터 제조된 성형품
EP4311839A1 (fr) * 2022-07-28 2024-01-31 Covestro Deutschland AG Matériau de moulage à faible teneur en bpa à base d'un mélange de polycarbonate chargé de minéral, et son procédé de préparation
WO2025073535A1 (fr) * 2023-10-02 2025-04-10 Covestro Deutschland Ag Composition remplie et matière à mouler thermoplastique pour la production de moulages présantant un bon aspect de surface et une teneur réduite en bisphénol libre
CN117887238B (zh) * 2024-01-17 2024-09-17 昆明鼎骏塑业有限公司 一种改性pc塑料及其制备工艺

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US20150315381A1 (en) * 2012-12-07 2015-11-05 Bayer Materialscience Ag Flame-retardant polycarbonate molding materials i

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