WO2019124787A1 - Copolymère de polycarbonate, composition de résine thermoplastique le comprenant, et produit moulé fabriqué à partir de cette dernière - Google Patents

Copolymère de polycarbonate, composition de résine thermoplastique le comprenant, et produit moulé fabriqué à partir de cette dernière Download PDF

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WO2019124787A1
WO2019124787A1 PCT/KR2018/014703 KR2018014703W WO2019124787A1 WO 2019124787 A1 WO2019124787 A1 WO 2019124787A1 KR 2018014703 W KR2018014703 W KR 2018014703W WO 2019124787 A1 WO2019124787 A1 WO 2019124787A1
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weight
resin composition
thermoplastic resin
average molecular
molecular weight
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PCT/KR2018/014703
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English (en)
Korean (ko)
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지준호
최우석
권오성
장현혜
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롯데첨단소재(주)
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Publication of WO2019124787A1 publication Critical patent/WO2019124787A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • 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
    • 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
    • C08K5/005—Stabilisers against oxidation, heat, light, ozone
    • 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
    • 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
    • C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides

Definitions

  • the present invention relates to a polycarbonate copolymer, a thermoplastic resin composition containing the same, and a molded article produced therefrom. More specifically, the present invention relates to a polycarbonate copolymer excellent in moldability, thermal stability, and tensile elongation, a thermoplastic resin composition for 3D printing comprising the same, and a molded article made therefrom.
  • Polycarbonate resins are excellent in mechanical properties such as moldability, impact resistance and rigidity, and are excellent in heat resistance, electrical characteristics, transparency, and are widely used in automobiles and electronic products.
  • the polycarbonate resin is also used as a material for 3D printing.
  • the material For 3D printing, the material must first be fluidized and extruded, the melted material should be laminated as the printer nozzle moves, and the material should be cooled below the solidification temperature to solidify the material.
  • polycarbonate resin acrylonitrile-butadiene-styrene (ABS) resin, polystyrene resin, acrylate resin, amorphous polyamide resin and polyester resin are used.
  • ABS acrylonitrile-butadiene-styrene
  • polystyrene resin acrylate resin
  • amorphous polyamide resin amorphous polyamide resin
  • polyester resin acrylate resin
  • discoloration reduction in molecular weight and generation of gas after molding due to lowering of molecular weight or mixing of two or more kinds of materials.
  • An object of the present invention is to provide a polycarbonate copolymer excellent in moldability, thermal stability, tensile elongation and the like and a thermoplastic resin composition containing the same.
  • Another object of the present invention is to provide a molded article formed from the thermoplastic resin composition.
  • the aliphatic polyether resin may include at least one of polyethylene glycol, polypropylene glycol, and polytetramethylene glycol.
  • the aliphatic polyester resin may include a repeating unit represented by the following formula (1):
  • R 1 and R 2 are each independently a linear or branched alkylene group having 1 to 9 carbon atoms.
  • thermoplastic resin composition for 3D printing comprising the polycarbonate copolymer.
  • thermoplastic resin composition is a polycarbonate copolymer according to any one of the above 1 to 4; Antioxidants; And a phosphorus-based heat stabilizer.
  • the thermoplastic resin composition comprises about 100 parts by weight of the polycarbonate copolymer; About 0.01 to about 1 part by weight of the antioxidant; And about 0.01 to about 1 part by weight of the phosphorus thermal stabilizer.
  • thermoplastic resin composition according to any one of 5 to 7 above, wherein the yellow index difference (? YI) according to the following formula 1 is about 2 or less:
  • YI 0 is the initial yellow index (YI) value of a specimen of 3.2 mm in thickness measured according to ASTM D1925.
  • YI 1 is the initial yellow index (YI) of the specimen after staying at 320 ° C for 3 minutes and measured according to ASTM D1925 And the yellow index (YI) value measured.
  • thermoplastic resin composition according to any one of 5 to 8 above, wherein the weight average molecular weight difference (? Mw) according to the following formula 2 is about 2,000 g / mol or less:
  • Mw 0 is the initial weight average molecular weight value of the thermoplastic resin composition pellets measured by gel permeation chromatography (GPC)
  • Mw 1 is the weight average molecular weight measured by GPC after the pellet is held at 320 ° C for 3 minutes Value.
  • thermoplastic resin composition according to any one of the above 5 to 9, wherein the tensile elongation of the 3.2 mm thick specimen measured at 5 mm / min under ASTM D638 is about 100 to about 120%.
  • thermoplastic resin composition Another aspect of the present invention relates to a method for producing the thermoplastic resin composition.
  • the preparation process comprises a polycarbonate resin having a weight average molecular weight of about? 5,000 to about 20,000 g / mol of about 70 to about 99% by weight and an aliphatic polyether having a weight average molecular weight of about 1,000 to about 10,000 g / Resin and at least one aliphatic polyester resin having a weight average molecular weight of about? 3,000 to about 10,000 g / mol is reacted with about? 1 to about? 30% by weight to prepare a polycarbonate copolymer; And adding an antioxidant and a phosphorus-based thermal stabilizer to the polycarbonate copolymer to mix them; .
  • Another aspect of the present invention relates to a molded article formed from the thermoplastic resin composition according to any one of 5 to 10 above.
  • the molded article may be a filament for 3D printing.
  • the present invention relates to a polycarbonate copolymer which is excellent in moldability, thermal stability and tensile elongation and is useful for a material (filament) for 3D printing, a thermoplastic resin composition for 3D printing comprising the same, and a molded article formed therefrom .
  • a polycarbonate copolymer according to the present invention is a polycarbonate resin containing an ether group and / or an ester group in a main chain of the polycarbonate and having a specific molecular weight; And (A2) an aliphatic polyether resin having a specific molecular weight and / or (A3) an aliphatic polyester resin.
  • the polycarbonate resin according to one embodiment of the present invention has a weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) of about 5,000 to about 20,000 g / mol, such as about 5,000 to about 15,000 g / mol. If the weight average molecular weight of the polycarbonate resin is less than about 5,000 g / mol, the mechanical properties and thermal stability of the polycarbonate copolymer may deteriorate. When the weight average molecular weight of the polycarbonate resin exceeds about 20,000 g / mol, And the production stability of the copolymer may be lowered.
  • Mw weight average molecular weight measured by gel permeation chromatography
  • the polycarbonate resin may be an aromatic polycarbonate resin prepared by reacting a diphenol (aromatic diol compound) with a carbonate precursor such as phosgene, halogenformate, or carbonic acid diester.
  • diphenols include 4,4'-biphenol, 2,2-bis (4-hydroxyphenyl) propane, 2,4-bis (4-hydroxyphenyl) (3-chloro-4-hydroxyphenyl) propane, 2,2-bis (3,5-dichloro-4-hydroxyphenyl) Propane, 2,2-bis (3-methyl-4-hydroxyphenyl) propane, and 2,2-bis (3,5-dimethyl-4-hydroxyphenyl) propane.
  • bisphenol- 2,2-bis (4-hydroxyphenyl) propane referred to as A can be used.
  • the carbonate precursor is at least one selected from the group consisting of dimethyl carbonate, diethyl carbonate, dibutyl carbonate, dicyclohexyl carbonate, diphenyl carbonate, ditolyl carbonate, bis (chlorophenyl) carbonate, m-cresyl carbonate, dinaphthyl carbonate , Carbonyl chloride (phosgene), diphosgene, triphosgene, carbonyl bromide, bishaloformate, and the like. These may be used alone or in combination of two or more.
  • the above-mentioned polycarbonate resin may be used with a branched chain.
  • trifunctional or more polyfunctional compounds of about? 0.05 to about? 2 mol% relative to all of the diphenols used for polymerization, specifically, 3 Or by adding a compound having a phenol group or more.
  • the polycarbonate resin (A1) may comprise from about 70% to about 99% by weight, for example from about 75% to about 95% by weight, in 100% by weight of the polycarbonate copolymer (A). If the content of the polycarbonate resin is less than about 70% by weight, the polycarbonate copolymer may have poor thermal stability and mechanical properties. If the content of the polycarbonate resin exceeds about 99% by weight, the processability and the like of the polycarbonate copolymer may deteriorate There is a concern.
  • the aliphatic polyether resin according to one embodiment of the present invention has a weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) of about 1,000 to about 10,000 g / mol, such as about 2,000 to about 8,000 g / mol. < / RTI >
  • Mw weight average molecular weight measured by gel permeation chromatography
  • GPC gel permeation chromatography
  • the aliphatic polyether resin may be a polyalkylene glycol having a linear or branched alkylene group having 1 to 9 carbon atoms in the weight-average molecular weight range, and may include, for example, polyethylene glycol having a weight- Polypropylene glycol, polytetramethylene glycol, combinations thereof, and the like. Specifically, polyethylene glycol having a weight-average molecular weight in the range of 1 to 20 can be used.
  • the aliphatic polyester resin according to one embodiment of the present invention has a weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) of about 3,000 to about 10,000 g / mol, such as about 5,000 to about 8,000 g / mol. < / RTI > If the weight average molecular weight of the aliphatic polyester resin is less than about 3,000 g / mol, the moldability of the polycarbonate copolymer may deteriorate. When the weight average molecular weight of the aliphatic polyester resin exceeds about 10,000 g / mol, reactivity with the polycarbonate There is a risk of degradation.
  • Mw weight average molecular weight measured by gel permeation chromatography
  • the aliphatic polyester resin may include a repeating unit represented by the following formula (1).
  • R 1 and R 2 are each independently a linear or branched alkylene group having 1 to 9 carbon atoms.
  • specific examples of the aliphatic polyester resin include polybutylene succinate, polyethylene adipate, polybutylene adipate, and combinations thereof.
  • polybutylene succinate and the like can be used.
  • the aliphatic polyether resin and / or the aliphatic polyester resin ((A2) and / or (A3)) is used in an amount of about 1 to about 30% by weight in 100% by weight of the polycarbonate copolymer (A) For example from about 5 to about 25% by weight.
  • the content of the aliphatic polyether resin and / or the aliphatic polyester resin is less than about 1% by weight, the processability and the like of the polycarbonate copolymer may be deteriorated.
  • the content of the aliphatic polyether resin and / or the aliphatic polyester resin is more than about 30% Thermal stability and mechanical properties may be deteriorated.
  • the polycarbonate copolymer (A) can be produced by melt-reacting the polycarbonate resin (A1) with the aliphatic polyether resin (A2) and / or the aliphatic polyester resin (A3) .
  • the polycarbonate copolymer has a glass transition temperature measured by differential scanning calorimetry (DSC) of about > 90 to about < 130 [deg.] C, for example about > 95 to about & .
  • DSC differential scanning calorimetry
  • the polycarbonate copolymer may have excellent processability, thermal stability, and the like.
  • thermoplastic resin composition according to the present invention is a thermoplastic resin composition for 3D printing, which comprises (A) a polycarbonate copolymer; (B) an antioxidant; And (C) phosphorus-based thermal stabilizers.
  • an antioxidant used in a conventional thermoplastic resin composition may be used.
  • antioxidants examples include octadecyl-3- (3,5-di-tertiarybutyl-4-hydroxyphenyl) propionate, triethylene glycol-bis-3- (3- Methylphenyl) propionate, 2,6-di-tertiarybutyl-4-methylphenol, 2,2'-methylenebis (4-methyl- , 3,5-tri (3,5-di-tert-butyl-4-hydroxybenzyl) isocyanate, distearyl thiol dipropionate, raul thiol propionate methane and diphenyl isooctyl phosphinate Can be used. These may be used alone or in combination of two or more.
  • the antioxidant may be included in an amount of about 0.01 to about 1 part by weight, for example about 0.02 to about 0.5 parts by weight, relative to about 100 parts by weight of the polycarbonate copolymer.
  • the thermal stability and the like of the thermoplastic resin composition can be improved in the above range.
  • a phosphorus-based thermal stabilizer used in a conventional thermoplastic resin composition may be used.
  • Examples of the phosphorus thermal stabilizer include tris (2,4-di-tert-butylphenyl) phosphate, triphenylphosphite, diphenyldecylphosphite, phenyldodecylphosphite, diphenyldodecylphosphite, (Monodecyl phosphite), tris (monophenyl) phosphite, or the like is used as the organic phosphorescent material, for example, organic phosphorescent materials such as organic phosphorescent materials, organic phosphorescent materials, organic phosphorescent materials, organic phosphorescent materials, organic phosphorescent materials, . These may be used alone or in combination of two or more.
  • the phosphorus thermal stabilizer may be included in the range of about 0.01 to about 1 part by weight, such as about 0.02 to about 0.5 parts by weight, relative to about 100 parts by weight of the polycarbonate copolymer.
  • the thermal stability (discoloration resistance) and the like of the thermoplastic resin composition can be improved in the above range.
  • the thermoplastic resin composition according to one embodiment of the present invention may further include an additive contained in a conventional thermoplastic resin composition.
  • the additives include, but are not limited to, flame retardants, fillers, anti-dripping agents, lubricants, release agents, nucleating agents, antistatic agents, pigments, dyes, and mixtures thereof.
  • its content may range from about 0.001 to about 40 parts by weight, for example from about 0.01 to about 10 parts by weight, relative to about 100 parts by weight of the polycarbonate copolymer.
  • the thermoplastic resin composition according to one embodiment of the present invention comprises a polycarbonate resin having a weight average molecular weight of about? 5,000 to about 20,000 g / mol, and having a weight average molecular weight of about? 1,000 to about?
  • An aliphatic polyether resin having a weight average molecular weight of about 10,000 g / mol and at least one aliphatic polyester resin having a weight average molecular weight of about 3,000 to about 10,000 g / mol is reacted with about 1 to about 30% by weight to obtain a polycarbonate copolymer ; And adding and mixing an antioxidant and a phosphorus-based thermal stabilizer to the polycarbonate copolymer.
  • the reaction is carried out in the presence of a base catalyst (such as KOH) at a temperature condition of about > 220 to about < 320 [deg.] C and a pressure condition of about 0.01 to about 1.0 torr for about 1 to about 10 hours can do.
  • a base catalyst such as KOH
  • the thermoplastic resin composition is melt-extruded at a temperature of about 200 to about 320 deg. C, for example, about 220 to about 300 deg. C, by using the conventional twin-screw extruder It may be in pellet form.
  • the thermoplastic resin composition is excellent in moldability, thermal stability, mechanical properties (tensile elongation, etc.) and is particularly useful for 3D printing applications.
  • the thermoplastic resin composition may have a glass transition temperature, as measured by differential scanning calorimetry (DSC), of about > 90 to about 130, such as about > 95 to about & . Specific measurement methods are described in the following examples.
  • thermoplastic resin composition may have a yellow index difference (DELTA YI) of about 2 or less, for example, about 0.5 to about 1.9 according to the following formula (1).
  • DELTA YI yellow index difference
  • YI 0 is the initial yellow index (YI) value of a specimen of 3.2 mm in thickness measured according to ASTM D1925.
  • YI 1 is the initial yellow index (YI) of the specimen after staying at 320 ° C for 3 minutes and measured according to ASTM D1925 And the yellow index (YI) value measured.
  • the thermoplastic resin composition may have a weight average molecular weight difference (? Mw) according to Formula 2 below about 2,000 g / mol, for example, about 500 to about 900 g / mol.
  • Weight average molecular weight difference (? Mw) Mw 0 - Mw 1
  • Mw 0 is the initial weight average molecular weight value of the thermoplastic resin composition pellets measured by gel permeation chromatography (GPC)
  • Mw 1 is the weight average molecular weight measured by GPC after the pellet is held at 320 ° C for 3 minutes Value.
  • the thermoplastic resin composition has a tensile elongation of 3.2 mm thick measured at 5 mm / min under ASTM D638 of from about 100 to about 120%, such as from about 100 to about 115% Lt; / RTI >
  • the molded article according to the present invention is formed from the thermoplastic resin composition for 3D printing.
  • the thermoplastic resin composition may be produced in the form of pellets, and the produced pellets may be manufactured into various molded products through various molding methods such as injection molding, extrusion molding, vacuum molding, and casting molding. Such molding methods are well known to those of ordinary skill in the art to which the present invention pertains.
  • the molded article is particularly useful as a material (filament) for 3D printing because it has excellent mechanical properties (tensile elongation etc.), thermal stability, moldability and the like.
  • a bisphenol A-based polycarbonate resin having a weight average molecular weight of 10,000 g / mol and a glass transition temperature of 145 ⁇ was used.
  • Polyethylene glycol having a weight average molecular weight of 2,000 g / mol was used.
  • Tris (2,4-di-tert-butylphenyl) phosphate was used.
  • the components (A1), (A2) and (A3) were added to the reactor as shown in the following Table 1, and 200 ppb of KOH (relative to 1 weight of bisphenol A contained in component (A1)) was added to the reactor And then oxygen was removed from the reactor using nitrogen, and the reaction was carried out at 250 to 320 ° C under 0.5 torr for 8 hours to prepare a polycarbonate copolymer.
  • the antioxidant (B) and the phosphorus-based thermal stabilizer (C) were added to 100 parts by weight of each of the polycarbonate copolymers prepared in the amounts shown in Table 1, and then extruded at an extrusion temperature of 290 ° C to prepare pellets.
  • the extruded product was extruded using a twin-screw extruder having an L / D of 36 and a diameter of 45 mm.
  • the pellets were dried at 80 ° C. for 4 hours or more and then extruded at a molding temperature of 250 to 260 ° C. and a mold temperature of 60 ° C.
  • the specimens were molded.
  • the properties of the prepared specimens were evaluated by the following methods, and the results are shown in Table 1 below.
  • the above-mentioned components (A1), (A2) and (A3) were mixed in the amounts as shown in the following Table 2, and then the antioxidant (B) and the phosphorus thermal stabilizer (C) , And extruded at an extrusion temperature of 290 DEG C to prepare pellets.
  • the pellets were dried at 80 ° C. for 4 hours or more, and then dried in a 6 oz injection molding machine (molding temperature 250 to 260 ° C., mold temperature 60 ° C.)
  • the specimens were prepared by injection molding.
  • the properties of the prepared specimens were evaluated by the following methods, and the results are shown in Table 2 below.
  • Glass transition temperature (Tg, unit: ⁇ ⁇ ): The temperature was elevated from 25 ⁇ ⁇ to 200 ⁇ ⁇ at a rate of 10 ⁇ ⁇ / min using DSC (Q2910 of TA Instrument Co.) And the temperature was further raised to 200 DEG C at a rate of 10 DEG C / minute. The inflection point of the endothermic transition curve was determined as the glass transition temperature.
  • YI 0 is the yellow index (YI) value of the thermoplastic resin composition specimen of 3.2 mm in thickness measured according to ASTM D1925
  • YI 1 is the specimen held in the oven at 320 ° C for 3 minutes and measured according to ASTM D1925 And the yellow index (YI) value measured.
  • thermoplastic resin composition containing the polycarbonate copolymer of the present invention is excellent in moldability (glass transition temperature), thermal stability (difference in yellow index, difference in weight average molecular weight, injection heat stability), mechanical properties (tensile elongation) And so on.
  • Comparative Example 1 in which a polycarbonate resin was used instead of the polycarbonate copolymer of the present invention, it was found that it was unsuitable as a material for 3D printing due to insufficient moldability at a high glass transition temperature.
  • the thermal stability and the mechanical properties (tensile elongation) of the polycarbonate resin and the polyether resin mixture or the polycarbonate resin and the polyester resin mixture in Comparative Examples 2 to 5 are lowered.

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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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un copolymère de polycarbonate qui est un polymère : d'une résine de polycarbonate ayant un poids moléculaire moyen en poids environ ≥ 5 000 et environ ≤ 20 000 g/mole; et d'une résine de polyéther aliphatique ayant un poids moléculaire moyen en poids environ ≥ 1 000 et environ ≤ 10 000 g/mole et/ou d'une résine de polyester aliphatique ayant un poids moléculaire moyen en poids environ ≥ 3 000 à environ ≤ 10 000 g/mole, où la teneur de la résine de polycarbonate dans 100 % en pds du polymère est environ ≥ 70 et environ ≤ 99 % en pds, et la teneur de la résine de polyéther aliphatique et/ou de la résine de polyester aliphatique est environ ≥ 1 à environ ≤ 30 % en pds. Le copolymère de polycarbonate, la composition de résine thermoplastique le comprenant, et le produit moulé fabriqué à partir de cette dernière sont excellents en termes d'aptitude au moulage, de stabilité thermique, d'allongement à la traction, et similaires.
PCT/KR2018/014703 2017-12-18 2018-11-27 Copolymère de polycarbonate, composition de résine thermoplastique le comprenant, et produit moulé fabriqué à partir de cette dernière WO2019124787A1 (fr)

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