WO2017057903A1 - Composition de résine de polycarbonate renforcée de fibres de verre et article moulé utilisant cette composition - Google Patents

Composition de résine de polycarbonate renforcée de fibres de verre et article moulé utilisant cette composition Download PDF

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Publication number
WO2017057903A1
WO2017057903A1 PCT/KR2016/010871 KR2016010871W WO2017057903A1 WO 2017057903 A1 WO2017057903 A1 WO 2017057903A1 KR 2016010871 W KR2016010871 W KR 2016010871W WO 2017057903 A1 WO2017057903 A1 WO 2017057903A1
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WO
WIPO (PCT)
Prior art keywords
glass fiber
polycarbonate resin
resin composition
reinforced polycarbonate
fiber reinforced
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Application number
PCT/KR2016/010871
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English (en)
Korean (ko)
Inventor
아리핀에릭
Original Assignee
롯데첨단소재(주)
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Publication of WO2017057903A1 publication Critical patent/WO2017057903A1/fr

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Classifications

    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Definitions

  • the present invention relates to a glass fiber reinforced polycarbonate resin composition and a molded article using the same. More specifically, the present invention relates to a glass fiber-reinforced polycarbonate resin composition and a molded article using the same by applying an amorphous polyester resin and a reactive silane compound at the same time, without reducing the bending strength.
  • Polycarbonate resins are widely used in automobiles and electronic products because of their excellent mechanical properties such as moldability, impact resistance, tensile strength, and excellent electrical properties and transparency.
  • glass fiber-reinforced polycarbonate resin can be used to improve the rigidity and flexural strength while maintaining excellent moldability of the polycarbonate resin is useful in parts that require continuous load or heat.
  • An object of the present invention is to provide a glass fiber reinforced polycarbonate resin composition excellent in both bending strength and impact resistance.
  • Another object of the present invention is to provide a molded article formed from the glass fiber reinforced polycarbonate resin composition.
  • the glass fiber reinforced polycarbonate resin composition may include about 100 parts by weight of a base resin including polycarbonate, amorphous polyester resin, and glass fiber; And about 0.1 to about 1.5 parts by weight of the reactive silane compound.
  • the base resin comprises about 35 to about 75 weight percent polycarbonate; About 5 to about 20 weight percent amorphous polyester resin; And from about 20 to about 50 weight percent of glass fibers.
  • the amorphous polyester resin includes a dicarboxylic acid component and a diol component, and the content of 1,4-cyclohexanedimethanol (CHDM) in the total diol component may be about 10 to about 50 mol%.
  • CHDM 1,4-cyclohexanedimethanol
  • the amorphous polyester resin includes a dicarboxylic acid component and a diol component, and the content of ethylene glycol in the total diol component may be about 50 to about 90 mol%.
  • the glass fibers can be about 2 to about 5 mm in length.
  • the reactive silane compound may include at least one reactive functional group among an epoxy group, an amino group, an acryl group, an isocyanate group, and a mercapto group.
  • the glass fiber reinforced polycarbonate resin composition further comprises an additive selected from the group consisting of UV absorbers, inorganic additives, flame retardants, lubricants, plasticizers, heat stabilizers, antioxidants, light stabilizers, pigments, dyes and mixtures thereof. can do.
  • an additive selected from the group consisting of UV absorbers, inorganic additives, flame retardants, lubricants, plasticizers, heat stabilizers, antioxidants, light stabilizers, pigments, dyes and mixtures thereof. can do.
  • the glass fiber reinforced polycarbonate resin composition may have a flexural modulus of about 55,000 kgf / cm 2 or more measured according to ASTM D790 standard after molding the specimen.
  • the glass fiber-reinforced polycarbonate resin composition is about 5 cm ⁇ about 5 cm ⁇ about 1 mm by forming a specimen for about 6 hours at room temperature, and then subjected to a Dupont drop test that impacts a weight of about 500 g on the specimen.
  • the impact resistance measured using may be about 70 cm or more.
  • Another aspect of the present invention relates to a molded article formed from the glass fiber reinforced polycarbonate resin composition.
  • the present invention is excellent in both bending strength and impact resistance after molding, has the effect of the invention to provide a glass fiber-reinforced polycarbonate resin composition and molded article formed therefrom that can be usefully used as a material of various electronic products such as mobile phone exterior materials. .
  • the glass fiber reinforced polycarbonate resin composition according to the present invention comprises (A) base resin and (B) reactive silane compound comprising (A1) polycarbonate resin, (A2) amorphous polyester resin, and (A3) glass fiber. Include.
  • the polycarbonate resin As the polycarbonate resin according to one embodiment of the present invention, a polycarbonate resin generally known in the art may be used without limitation.
  • the polycarbonate resin may be prepared by reacting diphenols represented by the following Chemical Formula 1 with phosgene, a halogen acid ester, a carbonate ester, or a combination thereof.
  • A is a single bond, substituted or unsubstituted C1 to C30 linear or branched alkylene group, substituted or unsubstituted C2 to C5 alkenylene group, substituted or unsubstituted C2 to C5 alkylidene group , Substituted or unsubstituted C1 to C30 linear or branched haloalkylene group, substituted or unsubstituted C5 to C6 cycloalkylene group, substituted or unsubstituted C5 to C6 cycloalkenylene group, substituted or unsubstituted C5 To C10 cycloalkylidene group, substituted or unsubstituted C6 to C30 arylene group, substituted or unsubstituted C1 to C20 linear or branched alkoxylene group, halogen acid ester group, carbonate ester group, CO, S or SO 2 , R 1 and R 2 are the same as or different from each other
  • two or more kinds of diphenols represented by Chemical Formula 1 may be combined to constitute a repeating unit of a polycarbonate resin.
  • the diphenols include hydroquinone, resorcinol, 4,4'-dihydroxydiphenyl, 2,2-bis (4-hydroxyphenyl) propane (also called 'bisphenol-A'), 2,4 -Bis (4-hydroxyphenyl) -2-methylbutane, bis (4-hydroxyphenyl) methane, 1,1-bis (4-hydroxyphenyl) cyclohexane, 2,2-bis (3-chloro- 4-hydroxyphenyl) propane, 2,2-bis (3,5-dimethyl-4-hydroxyphenyl) propane, 2,2-bis (3,5-dichloro-4-hydroxyphenyl) propane, 2, 2-bis (3,5-dibromo-4-hydroxyphenyl) propane, bis (4-hydroxyphenyl) sulfoxide, bis (4-hydroxyphenyl) ketone, bis (4-hydroxyphenyl) ether Etc
  • 2,2-bis (4-hydroxyphenyl) propane 2,2-bis (3,5-dichloro-4-hydroxyphenyl) propane or 1,1-bis (4-hydroxyphenyl) Cyclohexane, and the like, and specifically, 2,2-bis (4-hydroxyphenyl) propane and the like can be used.
  • the polycarbonate resin has a weight average molecular weight of about 10,000 to about 200,000 g / mol, for example, about 15,000 to about 80,000 g / mol, as measured by gel permeation chromatography (GPC) based on polystyrene as a reference sample. It may be used, but is not limited thereto.
  • the polycarbonate resin may be a mixture of copolymers prepared from two or more diphenols.
  • the polycarbonate resin may be a linear polycarbonate resin, a branched polycarbonate resin, a polyester carbonate copolymer resin, or the like.
  • Bisphenol-A polycarbonate resin etc. are mentioned as said linear polycarbonate resin.
  • the branched polycarbonate resins include those produced by reacting polyfunctional aromatic compounds such as trimellitic anhydride, trimellitic acid, and the like with diphenols and carbonates.
  • the multifunctional aromatic compound may be included in an amount of about 0.05 to about 2 mol% based on the total amount of the branched polycarbonate resin.
  • As said polyester carbonate copolymer resin what was manufactured by making bifunctional carboxylic acid react with diphenols and a carbonate is mentioned.
  • the carbonate a diaryl carbonate such as diphenyl carbonate, ethylene carbonate, or the like may be used.
  • the polycarbonate resin may be included in about 35 to about 75% by weight, for example about 45 to about 75% by weight based on the total content of the base resin.
  • the content of the polycarbonate resin satisfies the above range, a resin composition having excellent balance of stiffness, flexural strength and impact resistance properties can be obtained.
  • the polycarbonate resin composition of the present invention contains an amorphous polyester resin in the base resin.
  • the amorphous polyester resin is a polymer of a dicarboxylic acid component and a diol component, and is a polyester resin in which a crystal structure is not formed in a molecular structure.
  • the amorphous polyester resin may be a resin in which some of the dicarboxylic acid component and / or the diol component is modified.
  • the amorphous polyester resin may be a polyester resin in which some of all diol components are 1,4-cyclohexanedimethanol (CHDM).
  • CHDM 1,4-cyclohexanedimethanol
  • the 1,4-cyclohexanedimethanol may be included in about 10 to about 50 mol%, for example, about 25 to about 35 mol%, of the total diol components.
  • the remaining diol components except 1,4-cyclohexanedimethanol include ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 2,2-dimethyl-1,3-propanediol, and 1,3. Butanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol and the like can be used, but is not limited thereto.
  • the remaining diol components may be used alone or in combination of two or more thereof.
  • the amorphous polyester resin may comprise from about 50 to about 90 mol%, for example from about 65 to about 75 mol%, of ethylene glycol in the total diol component.
  • the dicarboxylic acid component is not particularly limited.
  • the amorphous polyester resin comprises about 10 to about 50 mole percent, for example about 25 to about 35 mole percent, of dicarboxylic acid comprising terephthalic acid and 1,4-cyclohexanedimethanol (CHDM) It can be prepared by polycondensing the diol component comprising a.
  • CHDM 1,4-cyclohexanedimethanol
  • the amorphous polyester resin may be included in an amount of about 5 to about 20 wt%, for example about 5 to about 15 wt%, based on the total amount of the base resin.
  • the content of the amorphous polyester resin satisfies the above range, a resin composition having excellent balance of stiffness, flexural strength and impact resistance properties can be obtained.
  • Glass fiber according to an embodiment of the present invention is well known to those skilled in the art, it is easy to purchase commercially, it can be produced by conventional methods.
  • the shape of the glass fiber is not particularly limited, and may give a change in cross section according to a particular use purpose in addition to a circular shape.
  • the shape of the glass fiber may be used without any kind, and all kinds of glass fibers may be used.
  • the glass fibers may be glass fibers of circular and / or rectangular cross section.
  • the glass fibers of the circular cross section may have a length of about 2 to about 5 mm, the cross-sectional diameter of about 5 to about 20 ⁇ m, and the glass fibers of the rectangular cross section may have a length of about 2 to about 5 mm, a width of about 20 to about 40 ⁇ m, Thickness may be about 5 to about 15 ⁇ m.
  • the glass fiber may be used to coat the surface treatment agent on the surface in order to increase the bonding strength with the amorphous polyester resin.
  • the surface treating agent may be, for example, a silane compound, a urethane compound, or an epoxy compound, but is not limited thereto.
  • the glass fibers may be included in an amount of about 20 to about 50% by weight, for example, about 20 to about 45% by weight based on the total content of the base resin.
  • the content of the glass fiber satisfies the above range, a resin composition having excellent balance of stiffness, flexural strength and impact resistance properties can be obtained.
  • the polycarbonate resin composition of the present invention contains a reactive silane compound together with the base resin. According to the researches of the present inventors, when the reactive silane compound is added to the glass fiber reinforced polycarbonate resin together with the above-mentioned amorphous polyester resin, the flexural strength and the impact resistance were improved.
  • the reactive silane compound according to one embodiment of the present invention is a silane compound including a reactive functional group, wherein the reactive functional group may include an epoxy group, an amino group, an acryl group, an isocyanate group, a mercapto group, a combination thereof, and the like. .
  • an epoxy group-containing silane compound or the like may be used in consideration of reactivity with the amorphous polyester resin.
  • the reactive silane compound may be glycidoxypropyl trimethoxysilane, methacryloxypropyltri-methoxysilane, vinyl triethoxysilane, aminoethyl trimethoxysilane, aminoethyl triethoxysilane, amino Propyl trimethoxysilane, aminopropyl triethoxysilane, methylaminopropyl trimethoxysilane, ethylaminopropyl trimethoxysilane, aminopropyl tripropoxysilane, aminoisobutyl trimethoxysilane, aminobutyl triethoxysilane Etc. can be used.
  • the reactive silane compound may be included in an amount of about 0.1 to about 1.5 parts by weight, for example about 0.1 to 1.0 parts by weight, based on about 100 parts by weight of the base resin.
  • the content of the reactive silane compound is less than about 0.1 part by weight, the effect of improving the impact resistance of the resin composition may be insignificant, and when the content of the reactive silane compound exceeds about 1.5 parts by weight, the bending strength of the resin composition may be lowered.
  • the glass fiber reinforced polycarbonate resin composition according to one embodiment of the present invention may further include additives other than the above components as necessary.
  • the additives may include inorganic fillers other than glass fibers, flame retardants, flame retardant aids, mold release agents, lubricants, plasticizers, heat stabilizers, anti-dropping agents, antioxidants, light stabilizers, pigments, dyes, mixtures thereof, and the like.
  • the content may be about 0.0001 to about 20 parts by weight based on about 100 parts by weight of the base resin, but is not limited thereto.
  • examples of the inorganic filler may include carbon fiber, wollastonite, whiskers, basalt fiber, talc, mica, alumina, and the like, but are not limited thereto.
  • the inorganic filler is added, physical properties such as mechanical strength or heat deformation temperature may be further improved.
  • additives other than the inorganic fillers include a phosphate compound, a phosphonate compound, a phosphinate compound, a phosphine oxide compound, a phosphazene compound, Flame retardants such as metal salts thereof; Mold release agents such as polyethylene wax, fluorine-containing polymer, silicone oil, metal salt of stearyl acid, metal salt of montanic acid and montanic acid ester wax; Nucleating agents such as clay; Antioxidants such as hindered phenol compounds; Mixtures thereof and the like may be used, but are not limited thereto.
  • Glass fiber reinforced polycarbonate resin composition according to an embodiment of the present invention can be prepared through known methods well known in the art.
  • the above components of the present invention and other additives may be mixed, and then melt-extruded in an extruder to prepare pellets.
  • the glass fiber reinforced polycarbonate resin composition may be manufactured in pellet form by extruding polycarbonate resin and amorphous polyester resin by adding the fiberglass to the side feeder and the main fiber feeder. At this time, the extruder temperature may be about 200 to about 350 °C.
  • Glass fiber-reinforced polycarbonate resin composition according to the present invention prepared as described above is excellent in both bending strength and impact resistance after molding.
  • the glass fiber-reinforced polycarbonate resin composition has a flexural modulus measured according to ASTM D790 standard after specimen formation of about 55,000 kgf / cm 2 or more, for example, about 56,000 to about 150,000 kgf / cm 2 , specifically about 58,000 kgf / cm 2 to 120,000 kgf / cm 2 .
  • the glass fiber-reinforced polycarbonate resin composition was molded about 5 cm ⁇ 5 cm ⁇ 1 mm specimen and aged at room temperature for about 6 hours, using a Dupont drop test to impact the weight of about 500 g on the specimen.
  • the measured impact resistance may be at least about 70 cm, for example about 72 to about 120 cm, specifically about 75 to about 120 cm.
  • the molded article according to the present invention is formed from the glass fiber reinforced polycarbonate resin composition.
  • the resin composition in pellet form may be manufactured into various molded articles (products) through various molding methods such as injection molding, extrusion molding, vacuum molding, and casting molding. Such molding methods are well known by those skilled in the art.
  • the molded article is excellent in both flexural strength and impact resistance, can be used for a variety of uses, such as interior / exterior materials of electrical / electronic products, in particular, it can be usefully used as a material of various electronic products, such as mobile phone exterior materials.
  • Each component was mixed by dry blending in an amount as described in Table 1, and then processed at a nozzle temperature of 280 ° C. using a twin screw extruder having a diameter of 45 mm to prepare pellets. At this time, components other than glass fiber were put into the main feeder, and glass fiber was put into the side feeder. The prepared pellets were dried at 100 ° C. for at least 3 hours, and then injected into a mold temperature of 320 ° C. and a mold temperature of 80 ° C. in a 10 oz injection machine to prepare specimens.
  • Impact resistance After injecting flat specimens having a thickness of 1 mm, a width of 5 cm, and a length of 5 cm and aging at room temperature for 6 hours or more, 20 or more using a fall weight evaluator having a weight of 500 g The height at which 50% of the specimens were destroyed by impacting the specimens was measured by measuring the number in cm.
  • Comparative Examples 3 and 2 which contain the same amount of glass fibers and do not include an amorphous polyester resin, and Comparative Examples 3 and 2, which do not include a reactive silane.
  • Comparative Examples 3 and 2 which do not include a reactive silane.
  • both impact resistance and flexural modulus are excellent.
  • Comparative Example 5 using only an amorphous polyester resin and a reactive silane, it can be seen that the impact resistance and the flexural modulus are lower than those of Example 2 including the same content of glass fibers.

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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)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne une composition de résine de polycarbonate renforcée de fibres de verre qui comprend environ 100 parties en poids d'une résine de base contenant du polycarbonate, une résine de polyester amorphe et une fibre de verre, de même qu'environ 0,1 à environ 1,5 partie en poids d'un composé de silane réactif. La composition de résine de polycarbonate renforcée de fibres de verre et l'article moulé formé à partir de cette composition sont excellents en termes de résistance à la flexion et de résistance aux chocs.
PCT/KR2016/010871 2015-09-30 2016-09-29 Composition de résine de polycarbonate renforcée de fibres de verre et article moulé utilisant cette composition WO2017057903A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0138244 2015-09-30
KR1020150138244A KR101914822B1 (ko) 2015-09-30 2015-09-30 유리섬유 보강 폴리카보네이트 수지 조성물 및 이를 이용한 성형품

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WO2017057903A1 true WO2017057903A1 (fr) 2017-04-06

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Cited By (1)

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CN112352016A (zh) * 2018-07-11 2021-02-09 三菱工程塑料株式会社 热塑性树脂组合物和成型品的制造方法

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KR102291177B1 (ko) * 2018-10-31 2021-08-18 롯데첨단소재(주) 열가소성 수지 조성물 및 이로부터 제조된 성형품
KR102153189B1 (ko) 2018-11-30 2020-09-07 주식회사 포스코 보강구조체의 성형방법 및 보강구조체
KR102393506B1 (ko) * 2019-09-30 2022-05-02 롯데케미칼 주식회사 열가소성 수지 조성물 및 이로부터 제조된 성형품

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EP0080097A1 (fr) * 1981-11-19 1983-06-01 Mobay Chemical Corporation Compositions de polycarbonate à charge minérale avec une résistance au choc améliorée
US5179152A (en) * 1990-06-21 1993-01-12 Mitsubishi Gas Chemical Co., Inc. Fiber-reinforced resin composition having surface smoothness
KR20060066965A (ko) * 2004-12-14 2006-06-19 에스케이케미칼주식회사 우수한 색상을 갖는 폴리에스테르와 폴리카보네이트의블렌드
KR20150000811A (ko) * 2013-06-25 2015-01-05 제일모직주식회사 실란계 화합물, 이의 제조방법 및 이를 포함하는 폴리카보네이트 수지 조성물
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Publication number Priority date Publication date Assignee Title
EP0080097A1 (fr) * 1981-11-19 1983-06-01 Mobay Chemical Corporation Compositions de polycarbonate à charge minérale avec une résistance au choc améliorée
US5179152A (en) * 1990-06-21 1993-01-12 Mitsubishi Gas Chemical Co., Inc. Fiber-reinforced resin composition having surface smoothness
KR20060066965A (ko) * 2004-12-14 2006-06-19 에스케이케미칼주식회사 우수한 색상을 갖는 폴리에스테르와 폴리카보네이트의블렌드
KR20150000811A (ko) * 2013-06-25 2015-01-05 제일모직주식회사 실란계 화합물, 이의 제조방법 및 이를 포함하는 폴리카보네이트 수지 조성물
CN104672777A (zh) * 2015-03-24 2015-06-03 苏州新区华士达工程塑胶有限公司 高强低磨损聚甲醛改性塑料

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112352016A (zh) * 2018-07-11 2021-02-09 三菱工程塑料株式会社 热塑性树脂组合物和成型品的制造方法
EP3822319A4 (fr) * 2018-07-11 2022-04-13 Mitsubishi Engineering-Plastics Corporation Composition de résine thermoplastique et procédé de fabrication d'article moulé
CN112352016B (zh) * 2018-07-11 2022-12-16 三菱工程塑料株式会社 热塑性树脂组合物和成型品的制造方法

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KR101914822B1 (ko) 2018-11-02

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