WO2015026014A1 - 열전도성 폴리카보네이트 수지 조성물 및 이로부터 형성된 성형품 - Google Patents
열전도성 폴리카보네이트 수지 조성물 및 이로부터 형성된 성형품 Download PDFInfo
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- WO2015026014A1 WO2015026014A1 PCT/KR2013/011065 KR2013011065W WO2015026014A1 WO 2015026014 A1 WO2015026014 A1 WO 2015026014A1 KR 2013011065 W KR2013011065 W KR 2013011065W WO 2015026014 A1 WO2015026014 A1 WO 2015026014A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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- 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
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- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
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- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
Definitions
- the present invention relates to a thermally conductive polycarbonate resin composition excellent in fluidity, thermal conductivity, impact resistance and mechanical properties and molded articles formed therefrom.
- Metal having high thermal conductivity is a material that has been widely used as a material for a main body, a chassis, and a heat sink of an electronic device including a component that generates heat. Metals can quickly dissipate heat around, protecting heat-sensitive electronics from localized high temperatures. In addition, the metal is suitable as a heat dissipation material having a complicated shape due to excellent mechanical strength and processing characteristics. However, metals have disadvantages such as cost burden and weight increase. Accordingly, thermally conductive resins are replacing metals.
- thermally conductive resins to which heat dissipation has been given have been developed with a focus on the selection of fillers having high thermal conductivity.
- thermally conductive filler added to impart thermal conductivity carbon-based such as graphite or ceramic-based such as aluminum oxide, magnesium oxide, aluminum nitride, and the like have been mainly used. It is a grade which combines these fillers suitably, selects the filler which has a specific range of thermal conductivity, or selects and uses the filler which has a specific particle size.
- the molded article thus obtained contains a large amount of thermally conductive fillers, and mechanical properties such as strength are lowered, the filling content is limited, and there is a problem that a sufficient improvement in thermal conductivity cannot be obtained.
- Patent Document 1 discloses a thermally conductive resin composition containing a high-density polyethylene polymer matrix containing a filler
- Patent Document 2 discloses chemical resistance and fluidity.
- the polycarbonate resin composition which is excellent in this and excellent in rigidity and impact strength is disclosed.
- they use a specific reinforcing material to prevent a drop in impact strength due to the thermally conductive fillers, there is a problem that physical properties such as thermal conductivity, molding processability, etc. are lowered.
- the present invention has been made to solve the above problems, and provides a thermally conductive polycarbonate resin composition and molded article formed therefrom that can improve mechanical properties and thermal conductivity such as tensile strength, elongation, and at the same time excellent injection molding. It aims to do it.
- the present invention provides a thermally conductive polycarbonate comprising (A) a polycarbonate resin, (B) a thermally conductive filler, (C) a modified polyolefin-based copolymer and (D) a low molecular weight polyolefin-based resin It provides a resin composition.
- the composition is 100 parts by weight of the base resin containing 20 to 80% by weight of the polycarbonate resin (A) and 20 to 80% by weight of the thermally conductive filler (B) 0.1 to 5 parts by weight of the modified polyolefin copolymer (C) and 0.1 to 5 parts by weight of the low molecular weight polyolefin resin (D).
- the polyolefin-based copolymer may include any one or more functional groups selected from maleic anhydride groups, amine groups and epoxy groups.
- the low molecular weight polyolefin resin may have a weight average molecular weight of 1,000 to 10,000.
- the low molecular weight polyolefin resin may be prepared by thermally decomposing or chemically decomposing a high molecular weight polyolefin.
- the thermally conductive filler (B) may be selected from the group consisting of magnesium oxide, boron nitride, aluminum oxide, and mixtures thereof.
- the composition is an antibacterial agent, heat stabilizer, antioxidant, release agent, light stabilizer, inorganic additives, surfactants, coupling agents, plasticizers, compatibilizers, lubricants, antistatic agents, colorants, It may further comprise an additive selected from the group consisting of pigments, dyes, flame retardants, flame retardant aids, anti-dripping agents, weathering agents, ultraviolet absorbers, sunscreens and mixtures thereof.
- the present invention can provide a molded article prepared from the thermoplastic resin composition.
- the thermally conductive polycarbonate resin composition according to the present invention has an advantage of excellent thermal conductivity and injection molding since it is possible to form an efficient network even though it contains a high content of a filler by improving fluidity.
- the present invention has the advantage of excellent mechanical properties such as tensile strength, elongation, flexural strength, flexural modulus, as well as high impact strength.
- thermally conductive polycarbonate resin composition of the present invention will be described in detail.
- the following embodiments are provided as examples to ensure that the spirit of the present invention can be fully conveyed to those skilled in the art.
- it has a meaning commonly understood by those of ordinary skill in the art to which this invention belongs, and unnecessarily obscure the subject matter of the present invention in the following description. Description of known functions and configurations that may be omitted.
- low molecular weight polyolefin resin refers to a polyolefin resin having a weight average molecular weight of 10,000 g / mol or less.
- high molecular weight polyolefin resin refers to a polyolefin resin having a weight average molecular weight of more than 10,000 g / mol as a relative concept of the low molecular weight polyolefin resin.
- the thermally conductive polycarbonate resin composition of the present invention may include (A) a polycarbonate resin, (B) a thermally conductive filler, (C) a modified polyolefin-based copolymer, and (D) a low molecular weight polyolefin-based resin.
- the polycarbonate resin may be used to exhibit mechanical properties such as stiffness and impact strength, and excellent thermal conductivity, moldability, and heat resistance. It may be a polycarbonate resin, preferably an aromatic polycarbonate resin, produced by conventional methods.
- the polycarbonate resin may be an aliphatic polycarbonate resin, an aromatic polycarbonate resin, a copolycarbonate resin thereof, a copolycarbonate carbonate resin, a polycarbonate-polysiloxane copolymer resin, or a mixture thereof.
- the polycarbonate resin may have a linear or branched structure.
- the polycarbonate resin of the present invention can be prepared by reacting an (a1) aromatic dihydroxy compound with a (a2) carbonate precursor.
- An aromatic dihydroxy compound (a1) is a compound represented by the following formula (1) or a mixture thereof:
- R 1 and R 2 are each independently hydrogen, halogen, or an alkyl group of C 1 -C 8; a and b are each independently an integer between 0 and 4, Z is a single bond, an alkylene group of C1-C8, an alkylidene group of C2-C8, a cycloalkylene group of C5-C15, a cycloalkyl of C5-C15 Den group, -S-, -SO-, SO2-, -O-, or -CO- is shown.
- aromatic dihydroxy compound (a1) represented by the formula (1) examples include bis (hydroxy aryl) alkane, bis (hydroxy aryl) cycloalkane, bis (hydroxy aryl) ether, bis (hydroxy aryl) sulfide, and bis (hydroxy Roxy aryl) sulfoxide, biphenyl compounds may be used, and these compounds may be used alone or in a mixture of two or more.
- examples of bis (hydroxy aryl) alkanes include bis (4-hydroxy phenyl) methane, bis (3-methyl-4-hydroxy phenyl) methane, bis (3-chloro-4-hydroxy phenyl) methane , Bis (3,5-dibromo-4-hydroxy phenyl) methane, 1,1-bis (4-hydroxy phenyl) ethane, 1,1-bis (2-tert-butyl-4-hydroxy -3-methylphenyl) ethane, 2,2-bis (4-hydroxyphenyl) propane (bisphenol A), 2,2-bis (3-methyl-4-hydroxyphenyl) propane, 2,2-bis ( 2-methyl-4-hydroxyphenyl) propane, 2,2-bis (3,5-dimethyl-4-hydroxy phenyl) propane, 1,1-bis (2-tertiary-butyl-4-hydroxy- 5-methyl phenyl) propane, 2,2-bis (3-chloro-4-hydroxy phenyl) propane, 2,2-bis (3-fluoro-4-hydroxy hydroxy
- examples of bis (hydroxy aryl) cycloalkane include 1,1-bis (4-hydroxy phenyl) cyclopentane, 1,1-bis (4-hydroxy phenyl) cyclohexane, 1,1-bis (3) -Methyl-4-hydroxy phenyl) cyclohexane, 1,1-bis (3-cyclohexyl-4-hydroxy phenyl) cyclohexane, 1,1-bis (3-phenyl-4-hydroxy phenyl) cyclohexane Or 1,1-bis (4-hydroxy phenyl) -3,5,5-trimethylcyclohexane, but is not limited thereto.
- examples of bis (hydroxy aryl) ether include, but are not limited to, bis (4-hydroxy phenyl) ether or bis (4-hydroxy-3-methyl phenyl) ether.
- examples of bis (hydroxy aryl) sulfide include but are not limited to bis (4-hydroxy phenyl) sulfide or bis (3-methyl-4-hydroxy phenyl) sulfide.
- examples of bis (hydroxy aryl) sulfoxide include bis (hydroxy phenyl) sulfoxide, bis (3-methyl-4-hydroxy phenyl) sulfoxide or bis (3-phenyl-4-hydroxy phenyl) sulfoxide. There is a side, but is not limited thereto.
- biphenyl compounds include bis (4-hydroxyphenyl) sulfone, bis (3-methyl-4-hydroxyphenyl) sulfone, or bis (3-phenyl-4-hydroxyphenyl) sulfone Hydroxy aryl) sulfone, 4,4'-dihydroxy biphenyl, 4,4'-dihydroxy-2,2'-dimethylbiphenyl, 4,4'-dihydroxy-3,3'-dimethyl Biphenyl, 4,4'-dihydroxy-3,3'-dicyclobiphenyl, 3,3-difluoro-4,4'-dihydroxy biphenyl, but are not limited thereto.
- Aromatic dihydroxy compounds (a1) that can be used in addition to the compound represented by Formula 1 include dihydroxy benzene, halogen or alkyl-substituted dihydroxy benzene. Specifically resorcinol, 3-methyl resorcinol, 3-ethyl resorcinol, 3-propy resorcinol, 3-butyl resorcinol, 3-tertiary-butyl resorcinol, 3-phenyl resorcinol , 2,3,4,6-tetrafluororesorcinol, 2,3,4,6-tetrabromoresorcinol, catechol, hydroquinone, 3-methylhydroquinone, 3-ethylhydroquinone, 3 -Propylhydroquinone, 3-butylhydroquinone, 3-tertiary-butylhydroquinone, 3-phenylhydroquinone, 3-gyumilhydroquinone, 2,5-dichlorohydroquino
- aromatic dihydroxy compound (a1) preferably 2,2-bis (4-hydroxyphenyl) propane (bisphenol A) may be used.
- the carbonate precursors are dimethyl carbonate, diethyl carbonate, dibutyl carbonate, dicyclohexyl carbonate, diphenyl carbonate, ditoryl carbonate, bis (chlorophenyl) carbonate, m-cresyl carbonate, dinaphthyl carbonate, bis (diphenyl) Carbonates, carbonyl chlorides (phosgenes), triphosgenes, diphosgenes, carbonyl bromide, bishaloformates and the like. These compounds may be used alone or in a mixture of two or more.
- the carbonate precursor (a2) may be used in a molar ratio of 0.9 to 1.5 with respect to 1 mole of the aromatic dihydroxy compound (a1).
- the polycarbonate resin (A) of the present invention may have a weight average molecular weight of 10,000 to 200,000 g / mol, preferably 15,000 to 80,000 g / mol.
- the present invention is a polycarbonate resin (A) and a thermally conductive filler (B) as a base resin
- the polycarbonate resin (A) may be included in 20 to 80% by weight in the base resin.
- the polycarbonate resin composition can be maintained excellent in thermal conductivity, impact resistance and moldability.
- the thermally conductive filler is not limited to improving thermal conductivity, but preferably, spherical particles may be used from the viewpoint of fluidity.
- the use of a spherical thermally conductive filler has the advantage of excellent thermal conductivity regardless of the direction as it has excellent electrical conductivity in the horizontal direction (z-direction) as well as the horizontal direction (in-plane).
- the spherical thermally conductive filler has an excellent flowability compared to the plate-shaped particles or flakes.
- the thermally conductive filler of the present invention preferably has an average particle diameter of 30 ⁇ m to 80 ⁇ m, more preferably 40 ⁇ m to 60 ⁇ m.
- the thermally conductive filler of the average particle diameter is preferably included at least 80% by weight of the total thermally conductive filler.
- the specific surface area (BET) of the spherical particles is preferably 0.4 to 0.6 m 2 / g. If the average particle diameter is less than 30 ⁇ m, less than 0.4 m 2 / g BET, fluidity may be lowered, and if the average particle diameter is more than 80 ⁇ m, more than BET 0.6 m 2 / g may be lowered the thermal conductivity of the polycarbonate resin composition.
- the thermally conductive filler of the present invention may be magnesium oxide (magnesium oxide), boron nitride, aluminum oxide (aluminum oxide), aluminum nitride and mixtures thereof. Among these, magnesium oxide excellent in thermal conductivity is preferable.
- the thermally conductive filler (B) of the present invention may have a content in the base resin of 20 to 80% by weight. When the content is less than 20% by weight, the thermal conductivity of the polycarbonate resin composition is lowered. When the content is more than 80% by weight, the thermally conductive filler acts as an impurity, thereby lowering the bonding properties between the interfaces, thereby reducing the impact strength of the polycarbonate resin composition. Tensile strength and flexural strength may be lowered.
- the modified polyolefin-based copolymer may be used to improve impact resistance and moldability of the polycarbonate resin composition.
- the modified polyolefin-based copolymer may have a structure of a branched graft copolymer in which a polyolefin is used as a main chain and a compound including a functional group is copolymerized in a graft form.
- the modified polyolefin-based copolymer may be prepared by graft copolymerization of any one or more compounds selected from the group consisting of maleic anhydride groups, amine groups, epoxy groups, and mixtures thereof in the polyolefin main chain.
- the main chain of the modified polyolefin-based copolymer may be any one or more selected from the group consisting of polyethylene, polypropylene and ethylene-propylene copolymer.
- the content of the compound including a functional group in the modified polyolefin-based copolymer may be 0.2 to 5% by weight based on the total weight of the modified polyolefin-based copolymer, preferably 1.0 to 2.0% by weight, more preferably 1.0 to 1.5% by weight May be%. If the content of the compound containing a functional group is less than 0.2% by weight, the impact resistance is not expressed, and if the content of the compound containing more than 5% by weight, the impact strength may decrease
- the modified polyolefin copolymer (C) of the present invention may be included in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the base resin including the polycarbonate resin (A) and the thermally conductive filler (B). If the content of the modified polyolefin-based copolymer in the polycarbonate resin composition is less than 0.1 parts by weight, the desired physical property improvement effect is insignificant. If it is more than 5 parts by weight, the impact strength of the polycarbonate resin composition is increased, but fluidity, molding processability, heat resistance, etc. Other physical properties of may be lowered.
- the content of the modified polyolefin-based copolymer increases within the above range, mechanical properties such as impact strength, tensile elongation, and tensile strength are improved.
- the increase in tensile elongation results in an increase in flexural energy, which increases the practical impact strength of the injection molding, and can improve injection release property and continuous workability even when an excess filler is added.
- the viscosity of the polycarbonate resin composition is increased, which is effective for improving workability and appearance in a special process such as extrusion.
- the low molecular weight polyolefin-based resin may improve the dispersibility of components in the resin composition, and may improve the fluidity of the resin to enable efficient network formation even with a high content of filler.
- the low molecular weight polyolefin resin may be prepared by selecting one or more of olefin monomers such as ethylene, propylene, isopropylene, butylene or isobutylene, or may be prepared by thermally decomposing or chemically decomposing high molecular weight polyolefin.
- the low molecular weight polyolefin resin may be a polyethylene resin, a polypropylene resin, an ethylene propylene resin, an oxidized ethylene propylene copolymer resin, or the like, and the polyolefin may be polystyrene, poly ⁇ -methylstyrene, polyt- It may be a polyolefin resin modified with an aromatic monomer such as butyl styrene is copolymerized.
- the polyethylene may be low density, medium density, high density polyethylene, preferably high density polyethylene.
- the low molecular weight polyolefin-based resin may have a weight average molecular weight of 1,000 to 10,000 g / mol, preferably 2,000 to 5,000 g / mol. If the weight average molecular weight is less than 1,000g / mol, excessively low viscosity and thermal properties are degraded can be decomposed during molding, and if it exceeds 10,000g / mol, physical properties such as thermal conductivity, impact resistance, tensile strength, elongation may be reduced. .
- the low molecular weight polyolefin resin of this invention is 0.1-5 weight part with respect to 100 weight part of base resin containing a polycarbonate resin (A) and a thermally conductive filler (B). Outside the above range, the fluidity of the resin composition may not be sufficiently increased, and it may be difficult to see effects of improving mechanical properties such as impact resistance, tensile strength, and elongation in combination with other components.
- the thermally conductive polycarbonate resin composition of the present invention is an antibacterial agent, heat stabilizer, antioxidant, release agent, light stabilizer, inorganic additive, surfactant, coupling agent, plasticizer, compatibilizer, lubricant, antistatic agent, colorant, pigment, dye, flame retardant, It may further include an additive selected from the group consisting of flame retardant aids, anti-dripping agents, weathering agents, ultraviolet absorbers, sunscreens and mixtures thereof.
- the antioxidant may be a phenol type, phosphite type, thioether type, amine type antioxidant, and the like, but is not limited thereto.
- the release agent may be a fluorine-containing polymer, silicone oil, a metal salt of stearic acid, a metal salt of montanic acid, a montanic acid ester resin, a polyethylene resin, and the like, but is not limited thereto.
- the inorganic additives may include glass fiber, carbon fiber, silica, mica, alumina, clay, calcium carbonate, calcium sulfate, glass beads, and the like.
- the pigment or dye is titanium dioxide, carbon black and the like.
- the carbon black may include graphitized carbon, furnace black, acetylene black, Ketjen black, and the like, but are not limited thereto.
- the flame retardant may be phosphorus-based, nitrogen-based, halogen-based flame retardant and the like, and antimony oxide may be used as a flame retardant aid, but is not limited thereto.
- the anti-dripping agent may be polytetrafluoroethylene or the like, but is not limited thereto.
- the weathering stabilizer may be a benzophenone type or an amine type weathering stabilizer, but is not limited thereto.
- the additive (D) of the present invention may be included in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the base resin including the polycarbonate resin (A) and the thermally conductive filler (B).
- the thermally conductive polycarbonate resin composition according to the present invention can be prepared by a known method.
- the thermally conductive polycarbonate resin composition according to the present invention may be prepared in the form of pellets by mixing the components of the present invention and other additives at the same time and then melt extrusion in an extruder.
- the thermally conductive polycarbonate resin composition according to the present invention can be preferably applied to a molded article requiring excellent thermal conductivity, impact resistance and moldability at the same time.
- the thermally conductive polycarbonate resin composition according to the present invention may be preferably applied to materials for light emitting devices such as various electric / electronic parts, indoor lighting, automobile lighting, display devices, headlights, and the like. More preferably, it can be applied to the LED tube and the like.
- the molded article manufactured using the thermally conductive polycarbonate resin composition of the present invention may preferably have an impact strength (kgf ⁇ cm / cm) of 6 to 15 and a flow index of 20 to 35.
- thermoly conductive polycarbonate resin composition there is no particular limitation on the method for producing a molded article using the thermally conductive polycarbonate resin composition according to the present invention.
- an extrusion, injection or cast molding method may be applied. Molding method can be easily carried out by those skilled in the art.
- UBE magnesium oxide (RF-50-SC, average particle diameter 53 ⁇ m) was used.
- Polyethylene having a weight average molecular weight of 4,000 g / mol prepared by thermal decomposition of high density polyethylene was used.
- Polyethylene resin using polyethylene having a weight average molecular weight of 50,000 g / mol prepared by thermal decomposition of high density polyethylene was used.
- each of the components was dry mixed to the content described in Table 1 below.
- Table 1 the contents of (A) and (B) are represented by weight percent based on 100 wt% of the base resin including (A) and (B), and the content of the remaining components is 100 parts by weight of the base resin. It is expressed in parts by weight.
- Example 1 1 part by weight of MAH-HDPE (C) and a low molecular weight HDPE resin (D) based on 100 parts by weight of the base resin including 40% by weight of polycarbonate resin (A) and 60% by weight of thermally conductive filler (B). 0.3 parts by weight of dry mixing.
- the prepared pellets were dried in a dehumidifying dryer at 100 ° C. for 4 hours, and then injected under a condition of injection temperature of 300 ° C. in a 10 oz injection machine to prepare specimens for measuring physical properties.
- the physical properties were measured using a specimen prepared according to the following physical property measurement method, and the results are shown in Table 2 below.
- Example 2 The same procedure as in Example 1 was carried out except that 0.5 parts by weight of the low molecular weight HDPE resin (D) was used.
- Example 2 The same procedure as in Example 1 was carried out except that 1 part by weight of the low molecular weight HDPE resin (D) was used.
- Example 1 The same procedure as in Example 1 was conducted except that the low molecular weight HDPE resin (D) was not used.
- Example 3 The same procedure as in Example 3 was carried out except that the HDPE resin (D ′) having a weight average molecular weight of 50,000 was used instead of the low molecular weight HDPE resin (D).
- the flow flow index was measured under a temperature of 250 ° C. and a load of 10 Kg.
- the length of the flow field represented by the resin was measured by maintaining a 1 mm thick specimen mold at 80 ° C., and then injecting with a 95% force in a 10 oz injection machine to measure the length of the specimen.
- Examples 1 to 3 according to the present invention showed excellent mechanical properties such as excellent thermal conductivity, impact strength, flowability, flexural strength and tensile strength compared to the comparative examples.
- Examples 1 to 3 exhibited a higher flow index and flow field and equivalent thermal conductivity and mechanical properties compared to Comparative Example 1 in which the low molecular weight polyolefin resin according to the present invention was not applied.
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Abstract
Description
Claims (9)
- (A) 폴리카보네이트 수지, (B) 열전도성 충진재, (C) 변성 폴리올레핀계 공중합체 및 (D) 저분자량 폴리올레핀계 수지를 포함하는 열전도성 폴리카보네이트 수지 조성물.
- 제1항에 있어서,상기 조성물은 폴리카보네이트 수지(A) 20 ~ 80중량% 및 열전도성 충진재(B) 20 ~ 80중량%를 포함하는 기초수지 100중량부에 대하여, 변성 폴리올레핀계 공중합체(C) 0.1 ~ 5중량부 및 저분자량 폴리올레핀계 수지(D) 0.1 ~ 5중량부를 포함하는 열전도성 폴리카보네이트 수지 조성물.
- 제1항에 있어서,상기 변성 폴리올레핀계 공중합체는 말레산 무수물기, 아민기 및 에폭시기 중에서 선택된 어느 하나 이상의 작용기를 포함하는 열전도성 폴리카보네이트 수지 조성물.
- 제1항에 있어서,상기 저분자량 폴리올레핀계 수지는 중량평균분자량이 1,000 내지 10,000g/mol인 열전도성 폴리카보네이트 수지 조성물.
- 제1항에 있어서,상기 저분자량의 폴리올레핀계 수지는 고분자량의 폴리올레핀을 열 분해 또는 화학적 분해하여 제조된 것인 것을 특징으로 하는 열전도성 폴리카보네이트 수지 조성물.
- 제 1항에 있어서,상기 열전도성 충진재(B)는 마그네슘옥사이드, 보론나이트라이드, 알루미늄옥사이드 및 이들의 혼합물로 이루어지는 군으로부터 선택되는 열전도성 폴리카보네이트 수지 조성물.
- 제 1항에 있어서,항균제, 열안정제, 산화방지제, 이형제, 광안정제, 무기물 첨가제, 계면활성제, 커플링제, 가소제, 상용화제, 활제, 정전기방지제, 착색제, 안료, 염료, 난연제, 난연보조제, 적하방지제, 내후안정제, 자외선 흡수제, 자외선 차단제 및 이들의 혼합물로 이루어지는 군으로부터 선택되는 첨가제를 더 포함하는 열전도성 폴리카보네이트 수지 조성물.
- 제 1항 내지 제 7항 중에서 선택되는 어느 한 항의 조성물을 포함하는 성형품.
- 제 1항에 있어서,상기 성형품은 충격강도(kgfㆍcm/cm)가 6 내지 15, 유동지수(250℃/10㎏, g/10min)가 20 내지 35인 성형품.
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| CN201380079037.1A CN105473661B (zh) | 2013-08-23 | 2013-12-02 | 导热聚碳酸酯树脂组合物及由其形成的模制产品 |
| US14/912,963 US9862870B2 (en) | 2013-08-23 | 2013-12-02 | Thermally-conductive polycarbonate resin composition and molded product formed therefrom |
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| KR1020130100100A KR101657272B1 (ko) | 2013-08-23 | 2013-08-23 | 열전도성 폴리카보네이트 수지 조성물 및 이로부터 형성된 성형품 |
| KR10-2013-0100100 | 2013-08-23 |
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| KR (1) | KR101657272B1 (ko) |
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| WO (1) | WO2015026014A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017216678A1 (en) * | 2016-06-13 | 2017-12-21 | Sabic Global Technologies B.V. | Polycarbonate-based thermal conductivity and ductility enhanced polymer compositions and uses thereof |
| US9862870B2 (en) | 2013-08-23 | 2018-01-09 | Lotte Advanced Materials Co., Ltd. | Thermally-conductive polycarbonate resin composition and molded product formed therefrom |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7378397B2 (ja) | 2017-12-29 | 2023-11-13 | ダウ グローバル テクノロジーズ エルエルシー | ポリカーボネートブレンドを改質するための方法 |
| KR102547560B1 (ko) * | 2019-12-20 | 2023-06-23 | 롯데케미칼 주식회사 | 경통 부재 |
| CN114605802A (zh) * | 2020-12-08 | 2022-06-10 | 金发科技股份有限公司 | 一种导热聚碳酸酯组合物及其制备方法与应用 |
| CN115003064B (zh) * | 2021-03-02 | 2025-03-21 | 芜湖义柏载具精密技术有限公司 | 一种电子产品的塑胶外壳结构及工艺改良方法 |
| CN115260728B (zh) * | 2022-07-08 | 2024-06-18 | 深圳市艾比森光电股份有限公司 | 改性聚碳酸酯及其制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990038454A (ko) * | 1997-11-05 | 1999-06-05 | 이영일 | 폴리카보네이트 수지 조성물 |
| KR20010038924A (ko) * | 1999-10-28 | 2001-05-15 | 유현식 | 내충격성이 우수한 폴리카보네이트계 수지 조성물 |
| KR20010108642A (ko) * | 2000-05-30 | 2001-12-08 | 안복현 | 난연성 폴리카보네이트계 수지 조성물 |
| KR20070043347A (ko) * | 2005-10-21 | 2007-04-25 | 주식회사 삼양사 | 우수한 내스플레이성 및 내충격성을 갖는 폴리카보네이트계수지 조성물 |
| KR20070102245A (ko) * | 2006-04-14 | 2007-10-18 | 제일모직주식회사 | 웰드강도가 우수한 폴리카보네이트계 열가소성 수지 조성물 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1038920B1 (en) * | 1998-10-09 | 2004-12-15 | Teijin Chemicals, Ltd. | Resin composition |
| WO2005033215A1 (ja) * | 2003-10-03 | 2005-04-14 | Tateho Chemical Industries Co., Ltd. | 球状被覆酸化マグネシウム粉末及びその製造方法及びその粉末を含む樹脂組成物 |
| US8273825B2 (en) * | 2007-03-20 | 2012-09-25 | Sabic Innovative Plastics Ip B.V. | Polycarbonate/polyolefin based resin compositions and their production processes and uses |
| KR20090070101A (ko) * | 2007-12-26 | 2009-07-01 | 제일모직주식회사 | 내충격성이 우수한 열전도성 투명 열가소성 수지 조성물 |
| JP2012025787A (ja) | 2009-03-05 | 2012-02-09 | Teijin Ltd | 熱伝導性に優れたプリプレグ、プリプレグの製造方法、および積層板 |
| US8299159B2 (en) | 2009-08-17 | 2012-10-30 | Laird Technologies, Inc. | Highly thermally-conductive moldable thermoplastic composites and compositions |
| CN102286207B (zh) * | 2011-06-22 | 2015-12-02 | 四川大学 | 一种热塑性聚合物基导热复合材料及其制备方法 |
| JP5511872B2 (ja) * | 2012-03-19 | 2014-06-04 | 日本バルカー工業株式会社 | 熱伝導性樹脂組成物及びこれを用いた熱伝導性シート |
| US20140080951A1 (en) * | 2012-09-19 | 2014-03-20 | Chandrashekar Raman | Thermally conductive plastic compositions, extrusion apparatus and methods for making thermally conductive plastics |
| KR101657272B1 (ko) | 2013-08-23 | 2016-09-13 | 롯데첨단소재(주) | 열전도성 폴리카보네이트 수지 조성물 및 이로부터 형성된 성형품 |
-
2013
- 2013-08-23 KR KR1020130100100A patent/KR101657272B1/ko active Active
- 2013-12-02 US US14/912,963 patent/US9862870B2/en active Active
- 2013-12-02 WO PCT/KR2013/011065 patent/WO2015026014A1/ko not_active Ceased
- 2013-12-02 CN CN201380079037.1A patent/CN105473661B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990038454A (ko) * | 1997-11-05 | 1999-06-05 | 이영일 | 폴리카보네이트 수지 조성물 |
| KR20010038924A (ko) * | 1999-10-28 | 2001-05-15 | 유현식 | 내충격성이 우수한 폴리카보네이트계 수지 조성물 |
| KR20010108642A (ko) * | 2000-05-30 | 2001-12-08 | 안복현 | 난연성 폴리카보네이트계 수지 조성물 |
| KR20070043347A (ko) * | 2005-10-21 | 2007-04-25 | 주식회사 삼양사 | 우수한 내스플레이성 및 내충격성을 갖는 폴리카보네이트계수지 조성물 |
| KR20070102245A (ko) * | 2006-04-14 | 2007-10-18 | 제일모직주식회사 | 웰드강도가 우수한 폴리카보네이트계 열가소성 수지 조성물 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9862870B2 (en) | 2013-08-23 | 2018-01-09 | Lotte Advanced Materials Co., Ltd. | Thermally-conductive polycarbonate resin composition and molded product formed therefrom |
| WO2017216678A1 (en) * | 2016-06-13 | 2017-12-21 | Sabic Global Technologies B.V. | Polycarbonate-based thermal conductivity and ductility enhanced polymer compositions and uses thereof |
| US10738227B2 (en) | 2016-06-13 | 2020-08-11 | Sabic Global Technologies B.V. | Polycarbonate-based thermal conductivity and ductility enhanced polymer compositions and uses thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101657272B1 (ko) | 2016-09-13 |
| US9862870B2 (en) | 2018-01-09 |
| KR20150022368A (ko) | 2015-03-04 |
| CN105473661A (zh) | 2016-04-06 |
| US20160200957A1 (en) | 2016-07-14 |
| CN105473661B (zh) | 2018-03-02 |
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