WO2023182709A1 - Composition de résine thermoplastique et produit moulé fabriqué à partir de celle-ci - Google Patents

Composition de résine thermoplastique et produit moulé fabriqué à partir de celle-ci Download PDF

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Publication number
WO2023182709A1
WO2023182709A1 PCT/KR2023/003282 KR2023003282W WO2023182709A1 WO 2023182709 A1 WO2023182709 A1 WO 2023182709A1 KR 2023003282 W KR2023003282 W KR 2023003282W WO 2023182709 A1 WO2023182709 A1 WO 2023182709A1
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weight
thermoplastic resin
resin composition
glass
carbon atoms
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PCT/KR2023/003282
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English (en)
Korean (ko)
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김태윤
Original Assignee
롯데케미칼 주식회사
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Publication of WO2023182709A1 publication Critical patent/WO2023182709A1/fr

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    • 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
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • 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
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • C08J5/124—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives using adhesives based on a macromolecular component
    • 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
    • C08K5/5399—Phosphorus bound to nitrogen
    • 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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C08L23/0884—Epoxide containing esters
    • 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 thermoplastic resin compositions and molded articles made therefrom. More specifically, the present invention relates to a thermoplastic resin composition having excellent glass adhesion, impact resistance, rigidity, chemical resistance, and balance of physical properties, and molded articles manufactured therefrom.
  • Polycarbonate resin can be produced in a variety of colors, has excellent impact resistance properties, and when reinforced with glass fiber, etc., can secure high rigidity and impact resistance, so it is widely used as a housing material for IT products such as mobile phones.
  • thermoplastic resin composition with excellent glass adhesion, impact resistance, rigidity, chemical resistance, and balance of these properties.
  • the background technology of the present invention is disclosed in Korean Patent Publication No. 10-2015-0076650, etc.
  • the purpose of the present invention is to provide a thermoplastic resin composition with excellent glass adhesion, impact resistance, rigidity, chemical resistance, and balance of these properties.
  • Another object of the present invention is to provide a molded article formed from the thermoplastic resin composition.
  • thermoplastic resin composition includes about 100 parts by weight of polycarbonate resin; About 10 to about 40 parts by weight of glass fiber; About 0.5 to about 10 parts by weight of ethylene-glycidyl methacrylate-methylacrylate copolymer; And about 1 to about 15 parts by weight of a glass transition temperature regulator.
  • the ethylene-glycidyl methacrylate-methylacrylate copolymer is about 50 to about 75% by weight of ethylene, about 1 to about 10% by weight of glycidyl methacrylate, and methyl acrylate. It may be about 15 to about 40 weight percent of the terpolymer.
  • the glass transition temperature regulator may be a compound represented by the following formula (1):
  • R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms.
  • the weight ratio of the glass fiber and the ethylene-glycidyl methacrylate-methylacrylate copolymer may be about 1:0.01 to about 1:0.8.
  • the weight ratio of the glass fiber and the glass transition temperature regulator may be about 1:0.03 to about 1:0.9.
  • the weight ratio of the ethylene-glycidyl methacrylate-methylacrylate copolymer and the glass transition temperature regulator may be about 1:0.1 to about 1:10.
  • the thermoplastic resin composition is prepared by applying 0.018 g of a polyurethane-based adhesive (EH9777BS, HB Fuller) to a thickness of 1 mm at 110°C on a specimen measuring 50 mm ⁇ 50 mm ⁇ 3 mm. After attaching a glass measuring 12 mm After 72 cycle retention and thermal shock, The weight of the weight when the specimen is detached from the glass, measured by hitting the specimen with a dart from a height of 50 cm using a falling weight evaluation equipment of the Dupont drop test method, may be about 240 to about 400 g. there is.
  • a polyurethane-based adhesive EH9777BS, HB Fuller
  • thermoplastic resin composition may have a notched Izod impact strength of about 10 to about 25 kgf ⁇ cm/cm for a 1/8" thick specimen measured according to ASTM D256.
  • thermoplastic resin composition may have a flexural modulus of about 30,000 to about 90,000 MPa, as measured at a speed of 2.8 mm/min using a 1/4" thick specimen, according to ASTM D790. there is.
  • thermoplastic resin composition was prepared by immersing a 1 mm thick specimen in a thinner solution for 2 minutes and 30 seconds, drying it at 80°C for 20 minutes, leaving it at room temperature for 24 hours, and then weighing 2 kg.
  • the height at which the specimen is destroyed may be about 27 to about 70 cm, as measured by impact using a Dupont drop test type falling weight evaluation equipment.
  • the molded article is characterized in that it is formed from the thermoplastic resin composition according to any one of items 1 to 10 above.
  • the composite material includes a plastic member formed from the thermoplastic resin composition according to any one of 1 to 10 above; and a glass member in contact with the plastic member.
  • the plastic member and the glass member may be adhered with an adhesive.
  • the plastic member is Apply 0.018 g of polyurethane-based adhesive (HB Fuller, EH9777BS) to a thickness of 1 mm at 110°C on a specimen measuring 50 mm ⁇ 50 mm ⁇ 3 mm, and apply a specimen measuring 12 mm ⁇ 12 mm ⁇ 2.8 mm on top of the applied adhesive. After attaching the glass, it was cured for 72 hours at a temperature of 25°C and 50% humidity, and then subjected to thermal shock by staying for 72 cycles of 30 minutes each at -40°C and 85°C.
  • the weight of the weight when the specimen is detached from the glass measured by hitting the specimen with a dart from a height of 50 cm using a falling weight evaluation equipment of the Dupont drop test method, may be about 240 to about 400 g. there is.
  • the present invention has the effect of providing a thermoplastic resin composition with excellent glass adhesion, impact resistance, rigidity, chemical resistance, and balance of physical properties, and a molded article formed therefrom.
  • thermoplastic resin composition includes (A) polycarbonate resin; (B) glass fiber; (C) ethylene-glycidyl methacrylate-methylacrylate copolymer; and (D) a glass transition temperature regulator.
  • the polycarbonate resin according to one embodiment of the present invention can improve the impact resistance and appearance characteristics of a thermoplastic resin composition, and polycarbonate resins used in conventional thermoplastic resin compositions can be used.
  • polycarbonate resins used in conventional thermoplastic resin compositions can be used.
  • an aromatic polycarbonate resin produced by reacting diphenols (aromatic diol compounds) with precursors such as phosgene, halogen formate, and carbonic acid diester can be used.
  • the diphenols include 4,4'-biphenol, 2,2-bis(4-hydroxyphenyl)propane, 2,4-bis(4-hydroxyphenyl)-2-methylbutane, 1 ,1-bis(4-hydroxyphenyl)cyclohexane, 2,2-bis(3-chloro-4-hydroxyphenyl)propane, 2,2-bis(3,5-dichloro-4-hydroxyphenyl) Examples include propane, 2,2-bis(3-methyl-4-hydroxyphenyl)propane, and 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane, but are not limited thereto. .
  • 2,2-bis(4-hydroxyphenyl)propane 2,2-bis(3,5-dichloro-4-hydroxyphenyl)propane, 2,2-bis(3-methyl-4- Hydroxyphenyl)propane, 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane, or 1,1-bis(4-hydroxyphenyl)cyclohexane
  • bisphenol- 2,2-bis(4-hydroxyphenyl)propane, called A can be used.
  • the polycarbonate resin may be one having a branched chain, and for example, 0.05 to 2 mol% of a trivalent or higher polyfunctional compound based on the total of diphenols used in polymerization, specifically, 3 Branched polycarbonate resin prepared by adding a compound having one or more phenol groups can also be used.
  • the polycarbonate resin may be used in the form of a homopolycarbonate resin, a copolycarbonate resin, or a blend thereof.
  • the polycarbonate resin can be partially or entirely replaced with an aromatic polyester-carbonate resin obtained by polymerization in the presence of an ester precursor, for example, a difunctional carboxylic acid.
  • the polycarbonate resin may have a weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) of about 10,000 to about 50,000 g/mol, for example, about 15,000 to about 40,000 g/mol.
  • Mw weight average molecular weight measured by gel permeation chromatography
  • the thermoplastic resin composition may have excellent impact resistance, fluidity (processability), etc.
  • Glass fiber according to one embodiment of the present invention is applied together with an ethylene-glycidyl methacrylate-methylacrylate copolymer and a glass transition temperature regulator to improve the glass adhesion and impact resistance of a thermoplastic resin composition containing polycarbonate resin. , rigidity, chemical resistance, balance of these properties, etc. can be improved, and glass fibers used in conventional thermoplastic resin compositions can be used.
  • the glass fiber may be in the form of a fiber and may have a cross-section of various shapes such as circular, oval, or rectangular.
  • a cross-section of various shapes such as circular, oval, or rectangular.
  • the glass fiber of the circular cross-section may have a cross-sectional diameter of about 5 to about 20 ⁇ m measured using a scanning electron microscope (SEM), a length before processing of about 2 to about 20 mm, and a rectangular cross-section of the glass fiber.
  • the glass fiber may have an aspect ratio of the cross-section (major axis of the cross-section/minor axis of the cross-section) measured using a SEM (Scanning Electron Microscope) of about 1.5 to about 10, a minor diameter of about 2 to about 10 ⁇ m, and a length before processing. It may be about 2 to about 20 mm. Within the above range, the rigidity, processability, etc. of the thermoplastic resin composition may be improved.
  • the glass fiber may be treated with a common surface treatment agent.
  • the surface treatment agent may include, but is not limited to, silane-based compounds, urethane-based compounds, and epoxy-based compounds.
  • the glass fiber may be included in an amount of about 10 to about 40 parts by weight, for example, about 15 to about 35 parts by weight, based on about 100 parts by weight of the polycarbonate resin. If the content of the glass fiber is less than about 10 parts by weight based on about 100 parts by weight of the polycarbonate resin, there is a risk that the rigidity, etc. of the thermoplastic resin composition (molded product) may decrease, and if it exceeds about 40 parts by weight, the thermoplastic resin There is a risk that the glass adhesion, impact resistance, chemical resistance, and appearance characteristics of the composition (molded product) may be reduced.
  • the ethylene-glycidyl methacrylate-methylacrylate copolymer according to one embodiment of the present invention is applied together with glass fiber and a glass transition temperature regulator to improve the glass adhesion and impact resistance of a thermoplastic resin composition containing polycarbonate resin. , rigidity, chemical resistance, and the balance of these properties can be improved.
  • the ethylene-glycidyl methacrylate-methylacrylate copolymer contains about 50 to about 75% by weight of ethylene, for example, about 60 to about 70% by weight, and about 1 to about 1% by weight of glycidyl methacrylate. It may be a terpolymer of 10% by weight, for example about 4 to about 8% by weight, and about 15 to about 40% by weight, for example, about 20 to about 30% by weight of methyl acrylate. Within the above range, the thermoplastic resin composition (molded product) may have excellent impact resistance, glass adhesion, chemical resistance, etc.
  • the ethylene-glycidyl methacrylate-methylacrylate copolymer has an MFI (Melt Flow Index, 290° C., 2.16 kg condition) value of about 1 to about 15 g/10 min, for example, about 4. It may be from about 9 g/10 min.
  • MFI Melt Flow Index, 290° C., 2.16 kg condition
  • the thermoplastic resin composition (molded product) may have excellent impact resistance, glass adhesion, chemical resistance, etc.
  • the ethylene-glycidyl methacrylate-methylacrylate copolymer may be included in an amount of about 0.5 to about 10 parts by weight, for example, about 1 to about 7 parts by weight, based on about 100 parts by weight of the polycarbonate resin. You can. If the content of the ethylene-glycidyl methacrylate-methyl acrylate copolymer is less than about 0.5 parts by weight based on about 100 parts by weight of the polycarbonate resin, there is a risk that the chemical resistance, etc. of the thermoplastic resin composition (molded article) may decrease. If it exceeds about 10 parts by weight, there is a risk that the glass adhesion and chemical resistance of the thermoplastic resin composition (molded product) may decrease.
  • the weight ratio (B:C) of the glass fiber and the ethylene-glycidylmethacrylate-methylacrylate copolymer is from about 1:0.01 to about 1:0.8, for example from about 1:0.03 to about It can be 1:0.5.
  • the thermoplastic resin composition (molded product) may have better rigidity, glass adhesion, chemical resistance, impact resistance, etc.
  • the glass transition temperature regulator according to one embodiment of the present invention is applied together with glass fiber and ethylene-glycidyl methacrylate-methyl acrylate copolymer to improve glass adhesion and impact resistance of a thermoplastic resin composition containing polycarbonate resin.
  • cyclic phosphazene can be used to improve rigidity, chemical resistance, and the balance of these properties.
  • the glass transition temperature regulator may be a compound (phosphazene) represented by Formula 1 below.
  • R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms.
  • substitution means that the hydrogen atom is an alkyl group having 1 to 10 carbon atoms, a halogen atom, a nitro group, a cyano group, a hydroxy group, an amino group, an aryl group having 6 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, or a carbon number 3 to 10 group. It means being substituted with a substituent such as a heterocycloalkyl group, a heteroaryl group having 4 to 10 carbon atoms, or a combination thereof.
  • substituents including “alkyl,” “alkoxy,” and other “alkyl” moieties include both straight-chain or branched forms, and “alkenyl” has 2 to 8 carbon atoms and contains one or more double bonds. It includes both straight-chain or branched forms, and the term “cycloalkyl” includes all saturated monocyclic or saturated bicyclic ring structural forms having 3 to 20 carbon atoms.
  • the "aryl” is an organic radical derived from an aromatic hydrocarbon by removal of one hydrogen atom, and has a single or fused ring system containing 4 to 7 ring atoms, preferably 5 or 6 ring atoms in each ring. Includes. Specifically, phenyl, naphthyl, biphenyl, tolyl, etc. may be exemplified, but are not limited thereto.
  • heterocycloalkyl refers to a cycloalkyl group containing 1 to 3 heteroatoms selected from N, O, and S as a saturated cyclic hydrocarbon skeleton atom, and the remaining saturated monocyclic or bicyclic ring skeleton atom is carbon.
  • heteroaryl refers to an aryl group containing 1 to 3 heteroatoms selected from N, O, and S as an aromatic ring skeleton atom, and the remaining aromatic ring skeleton atom is carbon.
  • the heteroaryl group is a heteroaryl group in the ring. and divalent aryl groups whose atoms may be oxidized or quaternized to form, for example, N-oxides or quaternary salts.
  • examples include zolyl, tetrazolyl, furazinyl, pyridyl, pyrazinyl, pyrimidinyl, and pyridazinyl, but are not limited thereto.
  • the glass transition temperature regulator may be included in an amount of about 1 to about 15 parts by weight, for example, about 2 to about 10 parts by weight, based on about 100 parts by weight of the polycarbonate resin. If the content of the glass transition temperature regulator is less than about 1 part by weight based on about 100 parts by weight of the polycarbonate resin, there is a risk that the glass adhesion and appearance characteristics of the thermoplastic resin composition (molded product) may be reduced, and about 15 parts by weight If it is exceeded, there is a risk that the impact resistance and chemical resistance of the thermoplastic resin composition (molded product) may decrease.
  • the weight ratio (B:D) of the glass fiber and the glass transition temperature regulator may be about 1:0.03 to about 1:0.9, for example, about 1:0.05 to about 1:0.6.
  • the appearance characteristics, glass adhesion, chemical resistance, impact resistance, rigidity, etc. of the thermoplastic resin composition (molded article) may be superior.
  • the weight ratio (C:D) of the ethylene-glycidyl methacrylate-methylacrylate copolymer and the glass transition temperature regulator is about 1:0.1 to about 1:10, for example, about 1:0.3. It may be from about 1:7. Within the above range, the appearance characteristics, glass adhesion, chemical resistance, impact resistance, rigidity, etc. of the thermoplastic resin composition (molded article) may be superior.
  • thermoplastic resin composition according to one embodiment of the present invention may further include additives included in conventional thermoplastic resin compositions.
  • additives include, but are not limited to, flame retardants, antioxidants, anti-dripping agents, lubricants, release agents, nucleating agents, antistatic agents, stabilizers, pigments, dyes, and mixtures thereof.
  • its content may be about 0.001 to about 40 parts by weight, for example, about 0.1 to about 10 parts by weight, based on about 100 parts by weight of the polycarbonate resin.
  • thermoplastic resin composition according to one embodiment of the present invention is in the form of a pellet obtained by mixing the above components and melt-extruding the components at about 240 to about 300°C, for example, about 260 to about 290°C using a conventional twin-screw extruder. You can.
  • the thermoplastic resin composition is prepared by applying 0.018 g of a polyurethane-based adhesive (HB Fuller, EH9777BS) to a thickness of 1 mm at 110°C on a 50 mm ⁇ 50 mm ⁇ 3 mm specimen. After attaching glass with a size of 12 mm After adding, The weight of the weight when the specimen is detached from the glass, measured by hitting the specimen with a dart from a height of 50 cm using a falling weight evaluation equipment of the Dupont drop test method, is about 240 to about 400 g, e.g. For example, it may be about 250 to about 300 g.
  • HB Fuller HB Fuller
  • EH9777BS polyurethane-based adhesive
  • the thermoplastic resin composition has a notched Izod impact strength of a 1/8" thick specimen measured according to ASTM D256 of about 10 to about 25 kgf ⁇ cm/cm, for example, about 11 to about 20 kgf ⁇ cm. It may be /cm.
  • the thermoplastic resin composition has a flexural modulus of about 30,000 to about 90,000 MPa, for example, about 40,000 to about 40,000 MPa, as measured at a rate of 2.8 mm/min using a 1/4" thick specimen according to ASTM D790. It may be 75,000 MPa.
  • the thermoplastic resin composition is prepared by immersing a 1 mm thick specimen in a thinner solution for 2 minutes and 30 seconds, drying it at 80°C for 20 minutes, leaving it at room temperature for 24 hours, and then applying a Dupont drop using a 2 kg weight.
  • the height at which the specimen is destroyed, as measured by impact using a Dupont drop test type drop evaluation equipment, may be about 27 to about 70 cm, for example, about 28 to about 60 cm.
  • the molded article according to the present invention is formed from the thermoplastic resin composition.
  • the thermoplastic resin composition can be manufactured in the form of pellets, and the manufactured pellets can be manufactured into various molded articles (products) through various molding methods such as injection molding, extrusion molding, vacuum molding, and casting molding. This forming method is well known to those skilled in the art.
  • the molded product has excellent glass adhesion, impact resistance, rigidity, chemical resistance, and balance of physical properties, and is therefore useful as a housing material for mobile products.
  • the composite material according to the present invention includes a plastic member as the molded article; and a glass member in contact with the plastic member.
  • the plastic member and the glass member may be bonded with an adhesive.
  • the plastic member is Apply 0.018 g of polyurethane-based adhesive (HB Fuller, EH9777BS) to a thickness of 1 mm at 110°C on a specimen measuring 50 mm ⁇ 50 mm ⁇ 3 mm, and apply a specimen measuring 12 mm ⁇ 12 mm ⁇ 2.8 mm on top of the applied adhesive. After attaching the glass, it was cured for 72 hours at a temperature of 25°C and 50% humidity, and then subjected to thermal shock by staying for 72 cycles of 30 minutes each at -40°C and 85°C.
  • polyurethane-based adhesive HB Fuller, EH9777BS
  • the weight of the weight when the specimen is detached from the glass measured by hitting the specimen with a dart from a height of 50 cm using a falling weight evaluation equipment of the Dupont drop test method, is about 240 to about 400 g, e.g. For example, it may be 250 to 300 g.
  • Bisphenol-A polycarbonate resin (PC, manufacturer: Lotte Chemical, weight average molecular weight: 25,000 g/mol) was used.
  • Circular cross-section glass fiber manufactured by Owenscorning, product name: 183F, average diameter: 13 ⁇ m was used.
  • Ethylene-glycidyl methacrylate-methyl acrylate copolymer (manufacturer: SUMITOMO Chemical, product name: IGETABOND BF-7M) was used.
  • Ethylene-methylacrylate copolymer (manufacturer: ARKEMA, product name: LOTRYL®29MA03T) was used.
  • a phosphazene compound (manufacturer: Pharmicell, product name: Phoretar201) was used.
  • Example One 2 3 4 5 6 7 (A) (parts by weight) 100 100 100 100 100 100 100 100 100 100 (B) (part by weight) 15 23 35 23 23 23 23 23 (C1) (parts by weight) 3.7 3.7 3.7 One 7 3.7 3.7 (C2) (parts by weight) - - - - - - - (D) (parts by weight) 5 5 5 5 5 2 10 Glass bonding force (g) 275 270 260 280 265 260 280 Notched Izod impact strength (kgf ⁇ cm/cm) 19 18 15 12 19 19 19 19 19 Flexural modulus (MPa) 44,000 46,000 70,000 48,000 42,000 46,000 45,000 Chemical resistance (cm) 55 50 35 30 50 53 45
  • thermoplastic resin composition of the present invention is excellent in glass adhesion, impact resistance (notched Izod impact strength), rigidity (flexural modulus), chemical resistance, and balance of these properties.
  • Comparative Example 1 in which a small amount of glass fiber was applied, the stiffness, etc. were found to be reduced, and in the case of Comparative Example 2 in which an excessive amount of glass fiber was applied, the glass bonding strength, impact resistance, chemical resistance, etc. were found to be reduced.
  • Comparative Example 3 in which a small amount of ethylene-glycidyl methacrylate-methyl acrylate copolymer was applied, it can be seen that chemical resistance, etc. was reduced, and in the case of comparative example 3 in which a small amount of ethylene-glycidyl methacrylate-methyl acrylate copolymer was applied, In the case of Comparative Example 4, it can be seen that glass bonding strength, chemical resistance, etc.
  • (meth)acrylate modified polyolefin (C2) was used.
  • Comparative Example 5 it can be seen that the glass bonding strength and chemical resistance were reduced.
  • Comparative Example 6 where a small amount of the glass transition temperature regulator was applied, the glass bonding strength, etc., was found to be reduced, and in the case of Comparative Example 7, where an excessive amount of the glass transition temperature regulator was applied, the impact resistance, chemical resistance, etc. were found to be reduced. .

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne une composition de résine thermoplastique qui comprend : environ 100 parties en poids d'une résine de polyester ; environ 10 à 40 parties en poids de fibre de verre ; environ 0,5 à 10 parties en poids d'un copolymère d'éthylène-méthacrylate de glycidyle-acrylate de méthyle ; et environ 1 à 15 parties en poids d'un agent de régulation de la température de transition vitreuse. La composition de résine thermoplastique présente une excellente résistance de liaison au verre, une excellente résistance aux chocs, une excellente rigidité, une excellente résistance chimique, un excellent équilibre de ses propriétés physiques, et équivalents.
PCT/KR2023/003282 2022-03-21 2023-03-10 Composition de résine thermoplastique et produit moulé fabriqué à partir de celle-ci WO2023182709A1 (fr)

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KR1020220034534A KR20230136986A (ko) 2022-03-21 2022-03-21 열가소성 수지 조성물 및 이로부터 제조된 성형품
KR10-2022-0034534 2022-03-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980033011A (ko) * 1996-10-23 1998-07-25 마이클에이.캐푸토 폴리에스테르 수지 강화를 위한 조성물 및 방법
KR100241491B1 (ko) * 1996-12-20 2000-03-02 유현식 열수안정성이 우수한 열가소성 수지 조성물
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KR20200025733A (ko) * 2018-08-31 2020-03-10 롯데첨단소재(주) 열가소성 수지 조성물 및 이로부터 형성된 성형품

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WO2006001570A1 (fr) * 2004-03-15 2006-01-05 Cheil Industries Inc. Composition de resine thermoplastique a resistance aux chocs amelioree possedant une attitude a l'ecoulement elevee
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