WO2016089137A1 - Composition de copolycarbonate et article en comprenant - Google Patents

Composition de copolycarbonate et article en comprenant Download PDF

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WO2016089137A1
WO2016089137A1 PCT/KR2015/013159 KR2015013159W WO2016089137A1 WO 2016089137 A1 WO2016089137 A1 WO 2016089137A1 KR 2015013159 W KR2015013159 W KR 2015013159W WO 2016089137 A1 WO2016089137 A1 WO 2016089137A1
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Prior art keywords
bis
copolycarbonate
formula
hydroxyphenyl
repeating unit
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PCT/KR2015/013159
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English (en)
Korean (ko)
Inventor
고운
반형민
황영영
박정준
홍무호
이기재
전병규
손영욱
고태윤
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주식회사 엘지화학
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Priority claimed from KR1020150159987A external-priority patent/KR101759717B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to JP2016544514A priority Critical patent/JP6277280B2/ja
Priority to CN201580005529.5A priority patent/CN105940035B/zh
Priority to EP15859998.5A priority patent/EP3150670B1/fr
Priority to US15/039,341 priority patent/US10011716B2/en
Publication of WO2016089137A1 publication Critical patent/WO2016089137A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/18—Block or graft polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/38—General preparatory processes using other monomers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/445—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences
    • C08G77/448—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences containing polycarbonate sequences
    • 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
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3472—Five-membered rings
    • C08K5/3475—Five-membered rings condensed with carbocyclic rings
    • 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

Definitions

  • the present invention relates to a copolycarbonate composition having excellent weather resistance and an article comprising the same.
  • Polycarbonate resins are prepared by condensation polymerization of aromatic diols such as bisphenol A and carbonate precursors such as phosgene, and have excellent impact strength, numerical stability, heat resistance and transparency, and are used for exterior materials, automobile parts, building materials, and optical parts of electric and electronic products. It is applied to a wide range of fields. In order to apply such polycarbonate resins in recent years, many studies have been attempted to obtain desired physical properties by copolymerizing two or more different types of aromatic dialkyl compounds to introduce units having different structures into the main chain of polycarbonate. . Products made of polycarbonate resin, when exposed to the outside will exhibit a decrease in surface quality and physical properties due to ultraviolet rays and the like.
  • the present invention is to provide a copolycarbonate composition excellent in weatherability.
  • the present invention also provides an article comprising the copolycarbonate composition.
  • the present invention (a) an aromatic polycarbonate-based first repeating unit; And (b) a copolycarbonate comprising an aromatic polycarbonate-based second repeating unit having at least one siloxane bond, and (b) a UV stabilizer, wherein ⁇ of Formula 1 is 7 or less.
  • YK0 hours is a YI (Yel low Index) value measured according to ASTM D1925 for the copolycarbonate composition
  • Copolycarbonate Copolycarbonate according to the present invention, an aromatic polycarbonate-based first repeating unit; And aromatic polycarbonate-based second repeating units having one or more siloxane bonds.
  • the aromatic polycarbonate-based first repeating unit is formed by reacting an aromatic diol compound and a carbonate precursor, and is preferably represented by the following Chemical Formula 1.
  • Ri to 3 ⁇ 4 are each independently hydrogen, d- 10 alkyl, d-ra alkoxy, or halogen,
  • cycloalkylene, 0, S, SO, S0 2, or CO - X are either unsubstituted or substituted with dH) alkylene, unsubstituted or alkyl substituted in the phenyl by C 3.
  • 3 ⁇ 4 to R 4 are each independently hydrogen, methyl, chloro, or bromo.
  • X is straight or branched chain d-) alkylene which is unsubstituted or substituted with phenyl, more preferably methylene, ethane-1, 1-diyl, propane-2, 2-diyl, butane — 2, 2-diyl, 1-phenylethane-1, 1-diyl, or diphenylmethylene.
  • X is cyclonucleic acid-1, 1-diyl, 0, S, SO, S0 2 , or CO.
  • the repeating unit represented by Formula 1 is bis (4-hydroxyphenyl) methane, bis (4-hydroxyphenyl) ether, bis (4-hydroxyphenyl) sulfone, bis (4-hydroxyphenyl ) Sulfoxide, Bis (4- Hydroxyphenyl) sulfide, bis (4-hydroxyphenyl) ketone, 1, 1-bis (4-hydroxyphenyl) ethane, bisphenol A, 2, 2-bis (4-hydroxyphenyl) butane, 1, 1 Bis (4-hydroxyphenyl) cyclonucleic acid, 2,2-bis (4-hydroxy-3,5-dibromophenyl) propane, 2,2-bis (4-hydroxy-3,5-dichloro Phenyl) propane, 2,2-bis (4-hydroxy-3-bromophenyl) propane, 2,2-bis (4-hydroxy ⁇ 3-chlorophenyl) propane, 2,
  • the term “derived from an aromatic diol compound” means that a hydroxyl group and a carbonate precursor of an aromatic diol compound react to form a repeating unit represented by the formula (1).
  • the repeating unit represented by Formula 1 is represented by the following Formula 1-1.
  • the carbonate precursors include dimethyl carbonate, diethyl carbonate dibutyl carbonate, dicyclonuclear carbonate, diphenyl carbonate, ditoryl carbonate, bis (chlorophenyl) carbonate, di-m-cresyl carbonate, dinaphthyl carbonate, and bis.
  • At least one selected from the group consisting of (diphenyl) carbonate, phosgene, triphosgene, diphosgene, bromophosgene, and bishaloformate can be used.
  • triphosgen or Phosgene can be used.
  • the aromatic polycarbonate-based second repeating unit having one or more siloxane bonds is formed by reacting at least one siloxane compound and a carbonate precursor, preferably a repeating unit represented by the following Formula 2 and the following formula 3 Contains the unit:
  • Each Xi is independently d- ⁇ ) alkylene
  • Each 3 ⁇ 4 is independently hydrogen;
  • the dK) is substituted by unsubstituted or substituted oxiranyl, oxiranyl alkoxy, or C 6 - 20 aryl substituted with a C-15 alkyl; halogen; d- ⁇ ) alkoxy; Allyl; du) haloalkyl; 20 is an aryl, - or C 6
  • n is an integer of 10 to 200
  • 3 ⁇ 4 are each independently d-K) alkylene
  • Yr each independently hydrogen, C6 alkyl, halogen, hydroxy, d- 6 alkoxy or C 6 - 20 aryl, and,
  • Each R 6 is independently hydrogen; Unsubstituted or oxiranyl, the dw-alkoxy substituted by oxiranyl group, or a C 6 - 20 aryl substituted with a d- 15 alkyl; halogen; Cwo alkoxy; Allyl; d- 10 haloalkyl; 20 is an aryl, - or C 6
  • m is an integer of 10-200.
  • 3 ⁇ 4 are each independently C 2 - 4 alkylene and is, most preferably, propane-1,3-diyl-10 alkylene, more preferably C 2.
  • 3 ⁇ 4 is independently hydrogen, methyl, ethyl, propyl, 3-phenylpropyl, 2-phenylpropyl, 3- (oxyranylmethoxy) propyl, fluoro, chloro, bromo iodo, methoxy , Ecoxy, propoxy, allyl, 2, 2, 2-trifluoroethyl, 3, 3, 3-trifluoropropyl, phenyl, or naphthyl.
  • 3 ⁇ 4 is each independently d- 10 alkyl, more preferably d-6 alkyl, more preferably d- 3 alkyl, most preferably methyl.
  • the n is 10 or more, 15 or more, 20 or more, 25 or more, 30 or more, 31 or more, 32 or less, 50 or less, 45 or less, 40 or less, 39 or less, 38 or less, or 37 or less Is an integer.
  • 3 ⁇ 4 are each independently a C 2 - to 10 alkylene, more preferably C 2 - 6 alkylene and most preferably isobutylene.
  • ⁇ is hydrogen.
  • 3 ⁇ 4 is each independently hydrogen, methyl, ethyl, propyl, 3-phenylpropyl, 2-phenylpropyl, 3- (oxyranylmethoxy) propyl, fluoro, chloro, bromo, iodo, medo hydroxy, - a hydroxy, propoxy, allyl, 2,2,2-trifluoro-ethyl, 3,3,3-trifluoropropyl, phenyl, or naphthyl.
  • 3 ⁇ 4 is each independently d- 10 alkyl, more preferably d- 6 alkyl, more preferably d- 3 alkyl, most preferably methyl.
  • m is 40 or more, 45 or more, 50 or more, 55 or more, 56 or more, 57 or more, or 58 or more, 80 or less, 75 or less, 70 or less, 65 or less, 64 or less, 63 or less, or 62 or less Is an integer.
  • the repeating unit represented by the formula (2) and the repeating unit represented by the formula (3) are derived from the siloxane compound represented by the following formula (2-1) and the siloxane compound represented by the following formula (3-1), respectively.
  • the definitions of X 2 , Yi, R 6 and m are as defined above.
  • the reactions of the reactions 1 and 2 are preferably carried out under a metal catalyst. It is preferable to use a Pt catalyst as the metal catalyst, Pt Ashby catalyst, Karlstedt catalyst, Lamoreaux catalyst, Speyer catalyst, PtCl 2 (C0D),
  • At least one selected from the group consisting of PtCl 2 (benzonitrile) 2 , and 3 ⁇ 4PtBr 6 can be used.
  • the metal catalyst is 0.001 part by weight, 0.005 part by weight, or 0.01 part by weight or more, 1 part by weight, 0.1 part by weight, or 0.05 part by weight based on 100 parts by weight of the compound represented by Chemical Formula 7 or 9. It can be used in parts or less.
  • the reaction temperature is preferably so to locrc.
  • the reaction time is preferably 1 hour to 5 hours.
  • the compound represented by Chemical Formula 7 or 9 may be prepared by reacting organodisiloxane and organocyclosiloxane under an acid catalyst, and may adjust n and m by adjusting the content of the reactant.
  • the reaction temperature is preferably 50 to 70 ° C.
  • the reaction time is preferably 1 hour to 6 hours.
  • the organodisiloxane one or more selected from the group consisting of tetramethyldisiloxane, tetraphenyldisiloxane, nuxamethyldisiloxane and nuxaphenyldisiloxane can be used.
  • an organocyclotetrasiloxane may be used as an example, and examples thereof include octamethylcyclotetrasiloxane, octaphenylcyclotetrasiloxane, and the like.
  • the organodisiloxane may be used in an amount of 0.01 parts by weight or more, or 2 parts by weight or more, 10 parts by weight or less, or 8 parts by weight or less, based on 100 parts by weight of the organocyclosiloxane.
  • the acid catalyst at least one selected from the group consisting of 3 ⁇ 4SO 4 , HC10 4 , AICI 3, SbCl 5 , SnCl 4, and acidic clay may be used. Also, the mountain 59
  • the catalyst may be used in an amount of 0.1 parts by weight, 0.5 parts by weight, or 1 part by weight, 10 parts by weight, 5 parts by weight, or 3 parts by weight or less based on 100 parts by weight of organocyclosiloxane.
  • the weight ratio between the repeating unit represented by Formula 2 and the repeating unit represented by Formula 3 may be 1:99 to 99: 1. Preferably it is 3: 97-97: 3, 5: 95-95: 5, 10: 90-90: 10, or 15: 85-85: 15, More preferably, it is 20: 80-80: 20.
  • the weight ratio of the repeating unit corresponds to an increase ratio of a siloxane compound, for example, the siloxane compound represented by Formula 2-1 and the siloxane compound represented by Formula 3-1.
  • the repeating unit represented by Formula 2 is
  • R 5 and n are as defined above.
  • 3 ⁇ 4 is methyl.
  • the repeating unit represented by Formula 3 is represented by the following Formula 3-2:
  • copolycarbonate according to the present invention includes all of the repeating units represented by Formula 1-1, the repeating units represented by Formula 2-2, and the repeating units represented by Formula 3-2. .
  • Copolycarbonates according to the present invention can be prepared by a process comprising the step of polymerizing an aromatic di compound, a carbonate precursor and one or more siloxane compounds. The aromatic dialkyl compound, carbonate precursor and one or more siloxane compounds are as described above.
  • the at least one siloxane compound is at least 0.01 wt%, at least 0.5 wt%, at least 1 wt%, or at least 1.5 wt%, based on 100 wt% of the total amount of the aromatic dialkyl compound, the carbonate precursor, and the at least one siloxane compound. 20 wt% or less, 10 wt% or less, 7 wt% or less, 5 wt% or less, 4 wt% or less, 3 wt% or less, or 2 wt% or less can be used.
  • the aromatic diol compound is at least 40% by weight, at least 50% by weight, or at least 55% by weight, at least 80% by weight, 70% by weight relative to 100% by weight of the aromatic diol compound, the carbonate precursor and the at least one siloxane compound. Up to 65 weight percent.
  • the carbonate precursor is at least 10% by weight, at least 20% by weight, or at least 30% by weight, at most 60% by weight, at most 50% by weight, based on 100% by weight of the aromatic diol compound, the carbonate precursor and the at least one siloxane compound. Or 40 weight or less.
  • the polymerization method for example, an interfacial polymerization method may be used as the polymerization method.
  • the polymerization reaction is possible at atmospheric pressure and low temperature, and the molecular weight is easily controlled.
  • the interfacial polymerization is preferably carried out in the presence of an acid binder and an organic solvent.
  • the interfacial polymerization may include a step of introducing a coupling agent after prepolymerization (pre-polymer i zat ion), for example, and then polymerizing again, in which case a high molecular weight copolycarbonate may be obtained.
  • the materials used for the interfacial polymerization are not particularly limited as long as they are materials that can be used for the polymerization of polycarbonate, and the amount of the materials used may be adjusted as necessary.
  • an alkali metal hydroxide such as sodium hydroxide, potassium hydroxide, or an amine compound such as pyridine
  • the organic solvent is not particularly limited as long as it is a solvent usually used for polymerization of polycarbonate, and halogenated hydrocarbons such as methylene chloride and chlorobenzene can be used as an example.
  • the interfacial polymerization is a reaction such as triethylamine, tetra-n-butylammonium bromide, tertiary amine compounds such as tetra-n-butylphosphonium bromide, quaternary ammonium compound, quaternary phosphonium compound, etc. to promote reaction.
  • Accelerators may additionally be used.
  • the reaction temperature of the interfacial polymerization is preferably 0 to 40 ° C, the reaction time is preferably 10 minutes to 5 hours. Moreover, it is preferable to maintain pH in 9 or more or 11 or more in interfacial polymerization reaction.
  • the interfacial polymerization may be performed by further including a molecular weight regulator. The molecular weight modifier may be added before the start of polymerization, after the start of polymerization or after the start of polymerization.
  • Mono-alkylphenol may be used as the molecular weight modifier, and the mono-alkylphenol is, for example, p-tert-butylphenol, P-cumylphenol, decylphenol, dodecylphenol, tetradecylphenol, nuxadecylphenol, octadecyl It is at least one selected from the group consisting of phenol, eicosylphenol, docosylphenol and triacontylphenol, preferably p-tert-butylphenol, in which case the molecular weight control effect is large.
  • the molecular weight modifier may be, for example, 0.01 part by weight, 0, 1 part by weight, or 1 part by weight, 10 parts by weight, 6 parts by weight, or 5 parts by weight or less based on 100 parts by weight of an aromatic diol compound. It is possible to obtain a desired molecular weight within this range, and / or preferably, the molar ratio of the aromatic polycarbonate-based second repeating unit having one repeating unit and at least one real-specific bond is 1: 0.001-. 0.006 and / or weight ratio 1: 0.01-0.03. Also preferably, the copolycarbonate may have a weight average molecular weight
  • the weight average molecular weight (g / mol) is at least 20,000, at least 21,000, at least 22,000, at least 23,000, at least 24,000, at least 25,000, at least 26,000, at least 27,000, or at least 28,000. In addition, the said weight average molecular weight is 34,000 or less, 33,000 or less, or 32,000 or less.
  • the copolycarbonate composition according to the present invention comprises a UV stabilizer in order to improve the physical properties of the above-mentioned copolycarbonate, in particular weather resistance.
  • the UV stabilizer used in the present invention is not particularly limited as long as it can improve weather resistance of the copolycarbonate.
  • the UV stabilizer comprises a benzotriazole structure, more preferably represented by the following general formula (4):
  • R 7 to R 10 are each independently hydrogen, hydroxy, halogen, or a hydrocarbon group having 1 to 12 carbon atoms
  • Y 2 and X 3 are each independently hydrogen; A hydrocarbon group having 1 to 40 carbon atoms; Herein, the hydrocarbon group may further include a nitrogen atom or an oxygen atom.
  • the UV stabilizer 2- (5-methyl-2-hydroxyphenyl) benzotriazole (Tinuvin® P), 2- [2-hydroxy-3, 5-bis ( ⁇ , ⁇ -dimethyl) Benzyl) phenyl] -2H-benzotriazole (Tinuvin® 234) ⁇ 2- (3,5-di-t_butyl-2-hydroxyphenyl) benzotriazole (Tinuvin® 320), 2- (3_t-butyl 5-Methyl-2-hydroxyphenyl) -5-chlorobenzotriazole (Tinuvin® 326), 2- (3 ' ⁇ 5'-di-t-butyl-2' ⁇ hydroxyphenyl) -5-chloro Benzotriazole (Tinuvin® 327), 2- (3,5-di—t
  • the copolycarbonate composition according to the present invention includes the copolycarbonate and the UV stabilizer described above. Meanwhile, in the present invention, 'weather resistance' as in Equation 1 is evaluated.
  • Equation 1 is a YI (Yel low Index) value measured according to ASTM D1925 for the copolycarbonate composition (YI (0 hours)), the copolycarbonate composition according to ASTM D4329 specific conditions (silver degree: 60 ° C, UV wavelength: 340 nm, light intensity: 0.55 w / m 2 , irradiation time: 500 hours), and then subjected to ASTM D1925. It means the difference between YI (Yellow Index) value (YI (500 hours)) measured according to this.
  • the irradiation of ultraviolet rays may use a device generally known in the art, for example, Q-LAB's QUV-A Accelerated Weathering Test chamber can be used.
  • ⁇ of Equation 1 is 6.5 or less, 6.0 or less, 5.5 or less, 5.0 or less, 4.5 or less, 4.0 or less, 3.5 or less, or 3.0 or less. The smaller the ⁇ ⁇ is, the better the weather resistance is, so the lower limit is 0.
  • the ⁇ is 0.1 or more, 0.2 or more, 0.3 or more, 0.4 or more, 0.5 or more, 0.6 or more, 0.7 or more, 0.8 or more, 0.9 or more, or 1.0 It may be abnormal.
  • the copolycarbonate composition has a weight average molecular weight of 1,000 to 100,000 g / mol, more preferably 15,000 to 35,000 g / ⁇ . More preferably, the weight average molecular weight (g / mol) is at least 20,000, at least 21,000, at least 22,000, at least 23,000, at least 24,000, at least 25,000, at least 26,000, at least 27,000, or at least 28,000.
  • the weight average molecular weight is 34,000 or less, 33,000 or less, or 32,000 or less.
  • the copolycarbonate composition has a room temperature impact strength of 700 to 1000 J / m measured at 23 ° C based on ASTM D256 (l / 8 inch, Notched Izod). More preferably, the room temperature layer strength (J / m) is 710 or more, 720 or more, 730 or more, 740 or more, 750 or more, or 760 or more.
  • the room temperature impact strength (J / m) is the higher the value is excellent, there is no upper limit, for example, 850 or less, 840 or less, 830 or less, 820 or less, 810 or less, 800 or less, or 790 or less.
  • the copolycarbonate composition based on ASTM D256 1/8 inch, Notched Izod) low temperature layer strength measured at -30 ° C 600 to 800 J / m. More preferably, the low temperature impact strength (J / m) is 610 or more, 620 or more, 630 or more, 640 or more, or 650 or more.
  • the low temperature impact strength (J / m) is the higher the value is better, there is no upper limit, for example, 750 or less, 740 or less, 730 or less, 720 or less, 710 or less, 700 or less, or 690 or less.
  • the copolycarbonate composition has a MHmelt index measured according to ASTM D1238 (300 ° C., 1.2 kg condition) of 5 to 20 g / 10 min. More preferably, the MI (g / 10 min) is 6 or more, 7 or more, 8 or more, 9 or more, or 10 or more, 19 or less, 18 or less, 17 or less, 16 or less, or 15 or less.
  • the copolycarbonate composition according to the present invention can adjust the physical properties of the copolycarbonate by using a polycarbonate as necessary.
  • the polycarbonate is distinguished from the copolycarbonate according to the present invention in that a polysiloxane structure is not introduced into the main chain of the polycarbonate.
  • the polycarbonate is represented by the following formula (5).
  • R'i to R'4 are each independently hydrogen, alkyl, alkoxy, or halogen
  • X 1 is unsubstituted or substituted by a Cwo alkylene, unsubstituted or C wo-alkyl substituted by phenyl C 3 - 15 cycloalkylene, 0, S, SO, S0 2, or CO.
  • the polycarbonate may have a weight average molecular weight
  • the extended average molecular weight (g / mol) is at least 20,000, at least 21,000, at least 22,000, at least 23,000, at least 24,000, at least 25,000, at least 26,000, at least 27,000, or at least 28,000. In addition, the said weight average molecular weight is 34,000 or less, 33,000 or less, or 32,000 or less.
  • the repeating unit represented by the formula (5) is formed by reacting an aromatic di compound and a carbonate precursor.
  • the aromatic diol compound and carbonate precursor which can be used are the same as described above in the repeating unit represented by the formula (1).
  • the formula (5) to R'4 and X ' are the same as the 3 ⁇ 4 to and X of the formula (1) described above, respectively.
  • the repeating unit represented by Chemical Formula 5 is represented by the following Chemical Formula 5-1.
  • the increase ratio of copolycarbonate and polycarbonate is preferably 99: 1 to 1:99, more preferably 90:10 to 50:50, most preferably 20:80 to 80 : 20.
  • the present invention also provides an article comprising the copolycarbonate composition described above.
  • the article is an injection molded article.
  • the article may further include one or more selected from the group consisting of, for example, antioxidants, heat stabilizers, light stabilizers, plasticizers, antistatic agents, nucleating agents, flame retardants, lubricants, layer enhancers, fluorescent brighteners, pigments and dyes.
  • the copolycarbonate composition according to the present invention and an additive such as an antioxidant is mixed using a mixer, and then the mixture is extruded into an extruder to prepare pellets, and the pellets are dried and then injected. It may include the step of injection into the molding machine.
  • the product manufactured using the same has a characteristic of less surface quality deterioration and physical property deterioration due to ultraviolet rays due to exposure to the outside.
  • the copolycarbonate composition according to the present invention has excellent weather resistance, and the product manufactured by using the same has a feature that the surface quality decreases due to ultraviolet rays and the deterioration of physical properties is less.
  • a copolycarbonate composition was prepared by mixing 0.3 parts by weight of Tinuvin® 329 with a UV stabilizer based on 100 parts by weight of the copolycarbonate prepared in Step 1.
  • Example 2
  • a copolycarbonate composition was prepared by mixing 0.2 parts by weight of Tinuvin® 329 with 100 parts by weight of the copolycarbonate prepared in Step 1 of Example 1 and a UV stabilizer. Comparative Example 1
  • Example 3 Except for using 6.57 g of polyorganosiloxane (100 wt% of polyorganosiloxane (EU-50) of Preparation Example 3), a copolycarbonate prepared in the same manner as in Step 1 of Example 1 was compared. Example 2 was set. Comparative Example 3
  • Copolycarbonate composition was prepared by mixing 0.3 parts by weight of Tinuvin® 329 with a UV stabilizer based on 100 parts by weight of the copolycarbonate prepared in Comparative Example 2, which was referred to as Comparative Example 3.
  • Comparative Example 4 Comparative Example 4
  • PC Polycarbonate
  • Phase silver layer strength and low temperature layer strength (J / m): measured at 23 ° C and -30 ° C, respectively, in accordance with ASTM D256 (l / 8 inch, Notched Izod).
  • MI Flowability (MI, g / 10 min): Measured according to ASTM D1238 (300 ° C., 1.2 kg conditions).

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Abstract

La présente invention concerne une composition de résine de copolycarbonate comprenant un copolycarbonate, dans la chaîne principale duquel est introduit un certain composé de siloxane, et un stabilisateur UV. Cette composition de résine de copolycarbonate présente une excellente résistance aux intempéries, et, par conséquent, les articles produits à l'aide de celle-ci sont caractérisés en ce qu'ils ne présentent qu'une faible dégradation de leurs qualités et propriétés de surface sous l'effet du rayonnement ultraviolet, etc., après leur exposition à l'extérieur.
PCT/KR2015/013159 2014-12-04 2015-12-03 Composition de copolycarbonate et article en comprenant WO2016089137A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2016544514A JP6277280B2 (ja) 2014-12-04 2015-12-03 コポリカーボネート組成物およびこれを含む物品
CN201580005529.5A CN105940035B (zh) 2014-12-04 2015-12-03 共聚碳酸酯组合物以及含有该组合物的制品
EP15859998.5A EP3150670B1 (fr) 2014-12-04 2015-12-03 Composition de copolycarbonate et article en comprenant
US15/039,341 US10011716B2 (en) 2014-12-04 2015-12-03 Copolycarbonate composition and article containing the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20140173005 2014-12-04
KR10-2014-0173005 2014-12-04
KR10-2015-0159987 2015-11-13
KR1020150159987A KR101759717B1 (ko) 2014-12-04 2015-11-13 코폴리카보네이트 조성물 및 이를 포함하는 물품

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US10174194B2 (en) * 2014-12-04 2019-01-08 Lg Chem, Ltd. Copolycarbonate and composition comprising the same
CN112789310A (zh) * 2019-09-02 2021-05-11 株式会社Lg化学 共聚碳酸酯和包含该共聚碳酸酯的聚碳酸酯组合物

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