WO2007132504A1 - 導電性樹脂組成物の製造方法 - Google Patents
導電性樹脂組成物の製造方法 Download PDFInfo
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- WO2007132504A1 WO2007132504A1 PCT/JP2006/309555 JP2006309555W WO2007132504A1 WO 2007132504 A1 WO2007132504 A1 WO 2007132504A1 JP 2006309555 W JP2006309555 W JP 2006309555W WO 2007132504 A1 WO2007132504 A1 WO 2007132504A1
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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
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/065—Polyamides; Polyesteramides; Polyimides
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide 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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08J2371/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08J2371/12—Polyphenylene oxides
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Definitions
- the present invention relates to a conductive polyamide / polyethylene ether resin composition having an excellent balance between mechanical properties and fluidity and a method for producing the same.
- Conductive polyamide poly (phenylene ether) resin composition is excellent in cacheability 'productivity', and can be used to efficiently produce products with desired shapes by molding methods such as injection molding and extrusion molding.
- the obtained molded body can be satisfactorily subjected to electrostatic coating, it is used as a material for external parts of automobiles (see, for example, Patent Documents 1 and 2).
- Patent Document 1 JP-A-2-201811
- Patent Document 2 JP-A-4-300956
- Patent Document 3 JP-A-8-048869
- the present invention provides a technique for efficiently dispersing a conductive filler in a polyamide-polyphenylene-terthel resin composition, and compared with the conventional technique,
- An object of the present invention is to provide an electrically conductive polyamide-polyphenylene ether resin composition that is excellent in balance between mechanical properties and flow properties such as properties and rigidity, and a method for producing the same.
- a masterbatch comprising a polyamide (B) in a range and a polyamide (C) in a specific range in which the ratio of the amount of terminal amino groups and the amount of terminal Z carboxyl groups is different from that of polyamide (B) and a conductive filler.
- the present invention relates to
- Polyphenylene ether based resin (A) 10-90 parts by mass, terminal amino group amount Z-terminal carboxyl group amount ratio of 0.20-4.0 polyamide (B) 5-85 parts by mass, Terminal amino group amount Polyamide having a ratio of Z terminal carboxyl group amount of 0.05 to 0.19 (C) 5 to 85 parts by mass
- component (D) and component (C) are previously melt-kneaded.
- the component (A), the component (B) and the compatibilizer (F) are melt-kneaded in advance and the component (E) is further melt-kneaded into the polyamide polyphenylene ether resin composition (G). The method described in.
- the amount of terminal amino groups of the entire polyamide in the composition The specific power of the amount of Z-terminal carboxyl groups 0.15: The method according to any one of the above 1. to 3.
- the amount of terminal amino groups of the entire polyamide in the composition The ratio power of the amount of Z-terminal carboxyl groups is 0.1 to 0.7.
- the amount of terminal amino groups in the entire polyamide in the composition The ratio power of the amount of Z-terminal carboxyl groups is 0.1 to 0.3, the method according to 5 above,
- the conductive polyamide polyphenylene ether resin composition of the present invention has good electrostatic coating properties on the resulting molded article even when a small amount of conductive filler is added. It is a conductive polyamido-polyphenylene ether resin composition that has a high degree of freedom in designing mechanical properties and is economically superior.
- a method for effectively producing the resin composition can be provided.
- the polyphenylene ether-based resin (A) in the present invention has a main chain structure of the following formula (1), and can be formed into a product / part having a desired shape by a molding method such as a melt injection molding method or a melt extrusion molding method. It is a plastic material that is widely used as a material for parts in the electrical 'electronic field, automotive field, and other various industrial materials fields.
- R and R are each independently hydrogen
- the polyphenylene ether-based resin (A) of the present invention has a reduced viscosity measured at 30 ° C. using a black mouth form solution having a concentration of 0.5 gZdl, preferably in the range of 0.15 to 0.70 dLg. Preferably, it is a polymer or copolymer in the range of 0.20 to 0.70 dlZg.
- the polyphenylene ether-based resin (A) of the present invention includes poly (2, 6 dimethyl-1,4 phenylene ether), poly (2-methyl 6 ethyl 1,4 phenylene ether) ), Poly (2-methyl-6-phenol 1,4 phenylene ether), poly (2,6-dichloro-1,4 phenylene ether) and the like.
- polyphenylene ether-based resin (A) of the present invention examples include 2, 6 dimethyl phenol and other phenols (for example, 2, 3, 6 trimethyl phenol and 2-methyl-6-butyl).
- Polyphenylene ether copolymers such as copolymers with phenol may also be mentioned.
- polyphenylene ether-based resins (A) of the present invention poly (2,6 dimethyl-1,4 phenylene ether), 2,6 dimethylphenol and 2,3,6 trimethylphenol.
- a copolymer can be preferably used, and most preferred is poly (2,6 dimethyl-1,4 phenol ether).
- the method for producing the polyphenylene ether-based resin (A) used in the present invention is not particularly limited.
- the terminal structure of the polyphenylene ether-based resin (A) of the present invention is preferably a structure of the following formula (2).
- R, R, R, and R are the same as R, R, R, and R in (Formula 1), respectively.
- the terminal structure of the polyphenylene ether-based resin (A) of the present invention is more preferably the structure of the following formula (3).
- R and R represent hydrogen or an alkyl group.
- a catalyst containing copper or manganese is used, and in the presence of a primary or secondary amine,
- a primary or secondary amine An example is an acid-coupling reaction of 6-dimethylphenol.
- the primary or secondary amine di-n-butylamine, dimethylamine, and jetylamine, which are preferably dialkylamines, are more preferably used.
- the polyphenylene ether-based resin (A) of the present invention has a desired additive in advance depending on the purpose. Please follow along.
- the molar ratio of the terminal amount of amino group and the terminal amount of carboxyl group of the polyamide resin usable as the polyamide (B) of the present invention is from 0.20 to 4.0. Yes, more preferably 0.25 to 3.0, more preferably 0.25 to 0.22, and particularly preferably 0.22 to L1.
- the terminal amino group amount of the polyamide ( ⁇ ) of the present invention When the ratio of the terminal carboxyl group amount is in the range of 0.20 to 4.0, the conductive polyamide having excellent impact resistance, moldability and fluidity — A poly (phenylene ether) resin composition is obtained.
- the amount of applied force of the polyamide ( ⁇ ) of the present invention is 5 to 85 parts by mass, preferably 10 to 70 parts by mass with respect to 100 parts by mass of the total composition of conductive polyamide-polyphenylene ether resin. Part, more preferably 15 to 50 parts by weight.
- the molar ratio of the terminal amount of the amino group and the terminal amount of the carboxyl group of the polyamide (C) of the present invention that is, the ratio of the terminal amino group amount to the terminal carboxyl group amount is 0.05 to 0.19, and more preferably. It is preferably from 0.1 to 0.18, particularly preferably from 0.12 to 0.17.
- the conductive polyamide polyphenylene ether resin is excellent in impact resistance and conductivity. A composition can be obtained.
- the amount of addition of the polyamide (C) of the present invention is 5 to 85 parts by weight, preferably 8 to 50 parts by weight, based on 100 parts by weight of the total conductive polyamide-polyphenylene ether resin composition. Part, more preferably 10 to 30 parts by mass.
- a method for preparing the end group of the polyamide a known method that will be apparent to those skilled in the art can be used. For example, one or more selected from diamine compound, monoamine compound, dicarboxylic acid compound, monocarboxylic acid compound and the like are added so that a predetermined terminal concentration is obtained during polymerization of polyamide resin. The method of doing is mentioned.
- the method described in the following document is used as a method for quantifying the amount of terminal amino groups and the amount of terminal carboxyl groups of polyamide (C) and polyamide (C).
- the polyamide (B) and the polyamide (C) according to the present invention are each arbitrarily selected from the following polyamide resin usable in the present invention.
- the terminal amino group content of the entire polyamide in the composition The specific power of the Z terminal carboxyl group content 0.15 to:
- the range of L 0.0 is preferred 0.16 to 0.7 Is more preferred, and a force in the range of 0.17 to 0.3 is most preferred! /. This it power ratio ⁇ ). 15 ⁇ : When it is in the range of L 0, a resin composition excellent in impact resistance and fluidity can be obtained.
- the ratio of the terminal amino group amount and the Z terminal carboxyl group amount of the whole polyamide used in the resin composition of the present invention is given by the following formula.
- polyamide resin is not limited to the force obtained by ring-opening polymerization of ratatams, polycondensation of diamine and dicarboxylic acid, polycondensation of aminocarboxylic acid, etc.
- the above diamines are roughly classified into aliphatic, alicyclic and aromatic diamines, and specific examples include tetramethylene diamine, hexamethylene diamine, undecamethylene diamine and dodecamine.
- Dicarboxylic acids are roughly classified into aliphatic, cycloaliphatic and aromatic dicarboxylic acids. Specific examples include adipic acid, suberic acid, azelaic acid, sebacic acid, dodecanedioic acid, 1, 1, 3 tridecane. Examples include diacids, 1,3 cyclohexanedicarboxylic acid, terephthalic acid, isophthalic acid, naphthalenedicarboxylic acid, and dimer acid.
- ratatams include ⁇ -force prolatatam, enantolactam, and ⁇ -laurola. Examples include cutum.
- aminocarboxylic acids include ⁇ -aminocaproic acid, 7-aminoheptanoic acid, 8-aminooctanoic acid, 9-aminonanoic acid, 11-aminoundecanoic acid, 12-aminododecanoic acid, and 13-amino. Examples include tridecanoic acid.
- any of the polyamides obtained by polycondensation of these ratatams, diamines, dicarboxylic acids, and ⁇ -aminocarboxylic acids alone or in a mixture of two or more types can be used.
- the method for polymerizing the polyamide resin used in the present invention is not particularly limited, and any of melt polymerization, interfacial polymerization, solution polymerization, bulk polymerization, solid phase polymerization, and a combination thereof may be used. Among these, melt polymerization is more preferably used.
- the polyamide resin preferably used in the present invention is polyamide 6, polyamide 6, 6, polyamide 4, 6, polyamide 11, polyamide 12, polyamide 6, 10, polyamide 6, 12, polyamide 6/6, 6, positive amide, 6/6, 12, positive amide, MXD (m-xydylenediamine), 6, positive amide 6, T, positive amide, 6, I, positive amide, 6/6, ⁇ , positive amide, 6/6, I, positive amide, 6, 6/6, ⁇ , positive amide, 6, 6/6, I, positive amide, 6/6, ⁇ / 6, I, positive amide, 6, 6/6, ⁇ / 6, I, positive amide 6 / 12/6, Ding, Polya 6/12/6, Ding, Polya I, Polya 6
- Polyamides such as I can be mentioned, and polyamides obtained by copolymerizing a plurality of polyamides by an amide exchange reaction with an extruder or the like can also be used.
- polyamide resins in the present invention are polyamide 6, polyamide 6, 6, and polyamide 6-6.
- polyamide 6, polyamide 6, 6, or a mixture thereof most preferably polyamide 6, polyamide 6, 6, or a mixture thereof.
- the preferred viscosity range of the polyamide resin usable in the present invention is that the viscosity number measured in 96% sulfuric acid according to ISO307 is in the range of 50 to 300 mlZg, more preferably in the range of 80 to 180 mlZg.
- the polyamide resin has a viscosity number outside the above range. Even a mixture of fats can be used without problems as long as the viscosity number of the mixture is within the above range.
- a mixture of a polyamide resin having a viscosity number of 340mlZg and a polyamide resin having a viscosity number of 40mlZg may be used.
- any mixture ratio may be used as long as the viscosity number of the mixture is within the above range. Whether or not the viscosity number of these mixtures is within the above range can be easily confirmed by dissolving in 96% sulfuric acid at a mixing weight ratio and measuring the viscosity number according to ISO307.
- a particularly preferable mixed form among the polyamide resins is a mixture of polyamide resins having a viscosity number of 90 to 150 mlZg and different viscosity numbers.
- metal stabilizers such as those described in JP-A-1-163262, which has been publicly known for the purpose of improving the heat resistance stability of polyamide, can be used without any problem.
- metal stabilizers those that can be particularly preferably used include Cul, CuCl, copper acetate, cerium stearate and the like.
- potassium iodide, bromide potassium iodide, bromide
- Halogenated salts of alkyl metals typified by benzene and the like can also be suitably used. Of course, these may be added in combination.
- the amount of the metal stabilizer and the halogenated salt of Z or alkyl metal is preferably 0.001 to 1 part by mass with respect to 100 parts by mass of the polyamide as a total weight.
- organic stabilizers can be used without any problem in addition to the metal stabilizers described above.
- organic stabilizers include hindered phenolic acid inhibitors, such as Ilganox 1098, phosphorus processing heat stabilizers, such as Ilgafos 168, and rataton processing, such as HP-136.
- hindered phenolic acid inhibitors such as Ilganox 1098
- phosphorus processing heat stabilizers such as Ilgafos 168
- rataton processing such as HP-136.
- heat stabilizers xio heat stabilizers
- hindered amine light stabilizers and the like.
- a hindered phenolic acid rust inhibitor a phosphorus processing heat stabilizer, or a combination thereof is more preferable.
- organic stabilizers are preferably added in an amount of 0.001 to 1 part by mass with respect to 100 parts by mass in total of the polyamide (B) and the polyamide (C).
- known additives that can be added to the polyamide are also polyamide (
- the conductive filler (D) of the present invention is an inorganic filler that can be provided with conductivity by being added to plastic.
- conductive fillers include carbon black, carbon nanotubes, carbon fibers, carbon whiskers, metal fibers, conductive potassium titanium whiskers, metal particles, metal coated fibers, particles, flakes, etc.
- Preferred conductive fillers in the present invention are carbon black and carbon nanotubes.
- a particularly preferred conductive filler in the present invention is carbon black.
- ketjen black (EC, EC-600JD) available from Ketchen Black International is preferred.
- the conductive filler (D) of the present invention is 0.1 to L0 parts by mass, preferably 0.5 to 7 parts by mass, more preferably 100 to 10 parts by mass in total of the conductive polyamide-polyphenylene ether composition. Preferably, 1 to 5 parts by mass is added.
- the masterbatch of the present invention can be obtained by previously melt-kneading the conductive filler (D) and the polyamide (C).
- the melt-kneading method is not particularly limited, but can be melt-kneaded using a twin screw extruder after dry blending the conductive filler (D) and the polyamide (C).
- a method in which the polyamide (C) is supplied from the main supply port of the twin screw extruder and the conductive filler (D) is also supplied with the side feeder force after the polyamide (C) is melted can be preferably employed.
- a notch type melt kneader such as a Banbury mixer, it is possible to melt and knead a high concentration conductive filler (D) and polyamide (C), and a high concentration master batch (E). Can be obtained.
- the range of the concentration force 5 to 30 mass 0/0 of the conductive filler in the masterbatch (E) (D) conductivity, rigidity, excellent balance between fluidity, further 7 to 25 wt% of the range Especially preferred is the range of 10-20% by weight.
- the process for producing a conductive polyamide-polyphenylene ether resin composition of the present invention comprises a master notch (E) obtained by previously kneading a conductive filler (D) and a polyamide (C), and a polyphenylene ether type.
- a process for producing a conductive polyamide-polyphenylene ether resin composition characterized by melt kneading a resin (A), a polyamide (B), and a compatibilizer (F).
- the conductive filler (D) is present in a continuous phase mainly composed of polyamide (C). Electropaintability can be imparted.
- the compatibilizer (F) that can be used in the present invention includes at least one carbon-carbon double bond or triple bond in the molecular structure, and at least one acid silyl group, imino group, imido group. Or what has a glycidyl group can be used.
- Compounds used as the compatibilizer (F) of the present invention include, for example, maleimide, N alkylmaleimide, N arylmaleimide, N alkylmaleamic acid, N arylmaleamic acid, maleic anhydride, maleic acid, fumaric acid, Examples include fermaleimide, itaconic acid, glycidyl metatalylate, and glycidyl acrylate.
- the compatibilizer (F) of the present invention is preferably maleic anhydride, maleic acid, fumaric acid, phenylmaleimide, or itaconic acid.
- compatibilizing agent (F) that can be used in the present invention, a compound selected from polycarboxylic acid and Z or modified polycarboxylic acid can be used.
- the compatibilizing agent (F) of the present invention is preferably a polycarboxylic acid such as citrate or malic acid, or a derivative of citrate or malic acid.
- Polyamide-polyether ether resin composition (PA-PPE yarn and composition) (G) according to the present invention is a mixture of polyphenylene ether resin (A) and polyamide). It is a fat composition.
- the PA-PPE composition (G) according to the present invention can be obtained by previously melt-kneading the polyphenylene ether-based resin (A), the polyamide B (B), and the compatibilizer (F). it can.
- the PA-PPE composition (G) is prepared by melt-kneading the poly (phenylene ether) resin (A) and the compatibilizer (F) in advance, and then adding the polyamide (B) thereto and further melt-kneading. It is preferable to obtain.
- the functionalized poly (phenylene ether) resin composition (functionalized PPE) (H) according to the present invention is obtained by previously melt-kneading a poly (phenylene ether) resin (A) and a compatibilizer (F). be able to.
- the functionalized PPE (H) according to the present invention can be obtained by heating and reacting 100 parts by mass of a polyphenylene ether-based resin (A) and 1 to 10 parts by mass of a compatibilizer (F) O.
- compatibilizing agent (F) When the compatibilizing agent (F) is within this range, the amount of functional groups is sufficient, and there is little residual unreacted compatibilizing agent (F) in the modified polyphenylene ether resin. Therefore, it is possible to suppress silver streak which becomes a problem when molding.
- a preferred method for producing a conductive polyamide-polyphenylene ether resin composition in the present invention is obtained by melt-kneading a polyphenylene ether resin (A), a polyamide) and a compatibilizer (F) in advance.
- the master batch (E) is further melt-kneaded with the PA-PPE composition (G).
- a highly preferred method for producing a conductive polyamide-polyethylene ether resin composition in the present invention is a functional product obtained by previously melt-kneading a polyphenylene ether resin (A) and a compatibilizer (F). PPE (H), polyamide B (B) and masterbatch (E) are mixed and melt kneaded.
- conductive polyamide-polyphenylene ether resin composition of the present invention 1 to 50 parts by mass, more preferably 3 to 30 parts per 100 parts by mass of the total amount of conductive polyamidopolyphenylene ether resin composition.
- the elastomer that can be preferably used in the conductive polyamide polyphenylene ether resin composition of the present invention is an elastomer that also has a styrene compound-containing block copolymer power, and contains at least one styrene compound.
- “Mainly” in the polymer block mainly composed of the styrene-based compound means that 50% by mass or more, preferably 70% by mass or more, more preferably 80% by mass or more, most preferably 90% by mass in the block.
- % refers to blocks that are styrene compounds. The same applies to “mainly” in a polymer block mainly composed of a conjugated conjugated compound, and is 50% by mass or more, preferably 70% by mass or more, more preferably 80% by mass or more, and most preferably. Denotes a block in which 90% by mass or more is a conjugated genie compound.
- styrenic compound examples include styrene, ⁇ -methylstyrene, butyltoluene and the like, and styrene is particularly preferable among the forces in which one or more selected compounds are used.
- conjugation compounds include butadiene, isoprene, piperylene, 1,3-pentagene, etc., and one or more compounds selected from these strengths are used. Of these, butadiene, isoprene and combinations thereof are preferred. Better! /.
- the microstructure of the block portion of the conjugate conjugated compound in the block copolymer containing styrenic compound is 1, 2 Bull content, or the total amount of 1, 2 Bull content and 3, 4 Bull content Force ⁇ 80% More preferably, it is preferred to be 15-40%, more preferably 10-50%.
- the polymer block (a) mainly composed of a styrene-based compound and the polymer block (b) mainly composed of a conjugated diene compound are a-b type, a- b-a-type or a-b-a-b-type force
- a block copolymer having a selected bond type is preferred.
- the a-b-a type is more preferable. These may of course be a mixture.
- the styrene compound-containing block copolymer used in the present invention is preferably a hydrogenated styrene compound-containing block copolymer.
- Hydrogenated styrenic compound-containing block copolymer is mainly composed of conjugated pheny compound by hydrogenating the block copolymer of styrenic compound and conjugated geny compound described above.
- the aliphatic double bond of the polymer block is hydrogenated by 50% or more, preferably 80% or more, and most preferably 98% or more.
- the number average molecular weight of the hydrogenated styrene compound-containing block copolymer that can be used in the present invention is preferably 200,000 or more and 300,000 or less. It is possible to use hydrogenated block copolymers outside this molecular weight range. To develop high impact properties with a small amount of addition, use a hydrogenated block copolymer in this range even in a small amount. It is desirable.
- the number average molecular weight referred to in the present invention is a gel permeation chromatography measuring device.
- styrene compound-containing block copolymer is contrary to the spirit of the present invention, Different bond types, different styrenic compound types, different conjugation compound types, 1,2-bonded vinyl content, or the total of 1,2-bonded vinyl content and 3,4-bonded vinyl content May be used in combination, such as those having different styrene-based compound component contents, or those having different hydrogenation rates.
- a block copolymer other than the styrene compound-containing block copolymer defined in the present specification there is no problem in adding a block copolymer other than the styrene compound-containing block copolymer defined in the present specification.
- the styrene compound-containing block copolymer used in the present invention may be a styrene compound-containing block copolymer that is entirely or partially modified.
- the modified styrene-based compound-containing block copolymer here refers to a styrene-based compound-containing block copolymer modified with a compatibilizing agent (F).
- the styrene compound-containing block copolymer and the compatibilizing agent (F) are added to the solution at a temperature not higher than the softening point of the styrene compound-containing block copolymer. How to react with,
- any of these methods may be used, but the method (1) is preferable, and the method (1) in which the reaction is performed in the presence of a radical initiator is most preferable.
- styrene compound-containing block copolymer of the present invention a mixture obtained by premixing oil mainly composed of paraffin may be used.
- the processability of the rosin composition can be improved by intensive mixing of oil mainly composed of paraffin.
- Additives used in the conductive polyamide polyphenylene ether resin composition of the present invention Is a heat stabilizer, antioxidant, UV absorber, surfactant, lubricant, filler, polymer additive, dialkyl peroxide, disilver oxide, peroxy, peroxycarbonate, hydroperoxide, peroxy Kisketals, inorganic fillers (talc, kaolin, zonotolite, wollastonite, titanium oxide, potassium titanate, carbon fibers, glass fibers, etc.), known for increasing the affinity between inorganic fillers and rosin Silane coupling agent, flame retardant (halogenated resin, silicone flame retardant, magnesium hydroxide, aluminum hydroxide, organic phosphate ester compound, ammonium polyphosphate, red phosphorus, etc.) Fluorine polymer, plasticizer (oil, low molecular weight polyolefin, polyethylene glycol, fatty acid ester, etc.) that exhibits an anti-drip effect, and three Flame retardant aids such as antimony oxide
- the specific addition amount of these components ranges from 100 parts by mass as the total of the additional components when the total amount of polyamide and polyphenylene ether-based resin is 100 parts by mass. It is.
- stabilizers can be suitably used for the stability of the polyphenylene ether-based resin.
- stabilizers include metal stabilizers such as zinc oxide and zinc sulfide, organic stabilizers such as hindered phenol stabilizers, phosphorus stabilizers, and hindered amine stabilizers.
- the polyphenylene ether-based resin is less than 5 parts by mass with respect to 100 parts by mass.
- a preferred form for applying the conductive polyamide polyphenylene ether resin composition of the present invention to various molding methods is to pelletize the melt after kneading the conductive polyamide polyphenylene ether resin composition of the present invention. It is a polyphenylene ether-based resin pellet obtained.
- conductive ⁇ composition obtained from the production method of the present invention the volume resistance ratio defined in embodiments, 1 is OX 10 6 or less.
- Specific processing machines for melting and kneading the conductive polyamide polyphenylene ether resin composition of the present invention include, for example, a single screw extruder, a twin screw extruder, a roll, a kneader, and a Brabender plastograph. , Bambari mixer etc., but biaxial An extruder can be preferably used.
- a processing machine that can be particularly preferably used in the present invention is a twin-screw extruder having an upstream supply port and one or more downstream supply ports having a screw diameter of 40 mm or more and an LZD of 30 or more.
- the processing set temperature of the cylinder of the processing machine is not particularly limited. Usually, conditions under which a suitable composition can be obtained even at a medium force of 240 to 360 ° C can be selected.
- the raw materials used in the examples are as follows.
- the reduced viscosity: 0.42 dl / g (0.5 gZdl, black mouth form solution, 30 ° C) was used as the polyphenylene ether-based resin (A), using an Ubbelohde viscometer. (Measurement) poly (2,6-dimethylphenol-lenoxide) (hereinafter, PPE-A) was used.
- polyamide (B) viscosity number: 135 mlZg, amino group terminal amount: 61.9 (mol / g), carboxyl group terminal amount: 63.1 (mol / g), terminal Amino group content Z-terminal carboxyl group content ratio: Polyamide-6,6 (hereinafter referred to as PA-B1) of 0.98, viscosity number: 129mlZg, amino group terminal amount: 30.9 ( ⁇ mol / g), carboxyl group terminal amount: 93.1 ( ⁇ mol / g), terminal amino group amount / terminal carboxyl group amount ratio: 0.30—polyamide—6,6 (hereinafter referred to as PA—B2), Viscosity number: 132mlZg, amino group terminal amount: 50.0 mol / g), carboxyl group terminal amount: 80.0 mol / g), terminal amino group amount Z terminal carboxyl group amount ratio: polyamide of 0.625 —6, 6 (hereinafter referred to as
- PA—B4 Polyamide—6, 6 (hereinafter referred to as PA—B4), viscosity number: 130 mlZg, amino group terminal amount: 106.6 ( ⁇ mol / g), carboxyl group terminal amount : 25.4 ( ⁇ mol / g), terminal amino group content Z terminal carboxyl group content ratio: 4.
- PA-B5 Polyamide-6, 6 (hereinafter referred to as PA-B5) Used).
- polyamide (C) viscosity number: 130 mlZg, amino group terminal amount: 18.3 mol / g), carboxyl group terminal amount: 114.7 mol / g), terminal amino group Amount Z-terminal carboxyl group ratio: 0.16 polyamide-6, 6 (hereinafter referred to as PA-C1), viscosity number: 135 ml / g, amino group terminal amount: 13.5 mol / g)
- PA-C2 Polyamide-6,6 having a terminal amino group content of 112.5 mol / g) and a terminal amino group content of Z-terminal carboxyl group content of 0.12 was used.
- Ketjen Black (EC, EC 600JD), which is carbon black manufactured by Ketjen Black International Co., was used as the conductive filler (D).
- maleic anhydride was used as the compatibilizer (F).
- KratonG1651 (trade name) (number average) which is a polystyrene-polyethylenebutylene-polystyrene block copolymer (SEBS), which is a kind of styrene-based compound-containing block copolymer manufactured by Kraton Polymer Japan, is used as an elastomer. (Molecular weight: about 250,000) (hereinafter referred to as SEBS).
- a ZSK40MC Coperion (Germany) co-rotating twin screw extruder having an LZD of 44 was used. All cylinder temperatures were set to 300 ° C, and the die temperature was set to 280 ° C.
- vent ports are installed at two locations, approximately 0.35 and approximately 0.80 when viewed from the upstream side, and vacuum suction is performed from the upstream vent port.
- a side feeder was installed at the vent port on the downstream side.
- IS80EPN injection molding machine manufactured by Toshiba Machine Co., Ltd.
- a multipurpose test piece as defined in IS03167 was prepared.
- the injection pressure was gradually increased using the injection molding machine and mold set to the same temperature conditions as described above.
- the conductive polyamide polyphenylene ether resin composition of the present invention was injection-molded, and the pressure (SSP) at which the composition almost filled the mold was measured to evaluate the fluidity.
- the volume resistivity of the narrow parallel part of the multipurpose test piece was measured.
- test piece with scratches (depth; approx. 0.3 mm) on both sides of the test piece in advance with a cutter knife was immersed in dry ice Z-methanol at 75 to 70 ° C for 1 hour, then hand Fracture specimens with a length of about 70 mm and brittle fracture surfaces at both ends were obtained.
- a silver paste dispersed in petroleum ether is applied to the fractured surfaces at both ends, left at room temperature for 30 minutes, then dried at 80 ° C x 20 minutes, and then left in a constant temperature room set at 23 ° C and 50% RH for 60 minutes.
- the sample for measurement was subjected to volume resistivity measurement.
- the resistance value between both ends of the sample for which the silver paste was applied was measured using an R83 40A type digital ultra-high resistance / micro current meter manufactured by Advantest Co., Ltd., with a printing calorie voltage of 100 V and an application time of 30 seconds.
- the measurement was performed in a constant temperature room.
- the volume resistivity was determined according to the following formula.
- PPE-A, PA-B1, SEBS, and maleic anhydride were 35, 35, 12, and 0 parts per hour from the main feed port of the extruder, respectively. .5 parts by mass were supplied at the same time, and MB-C1 was supplied in an amount of 20 parts by mass per hour from the side feeder and melt-kneaded to prepare a conductive polyamide-polyphenylene ether resin composition.
- the total raw material supply per hour was about 60kgZh.
- the strand-shaped strand melt-kneaded and discharged from the die was cut with a strand cutter to obtain pellets of a conductive polyamide polyphenylene ether resin composition.
- PPE-A, PA-B1, SEBS, and Maleic anhydride was supplied at a rate of 35 parts by mass, 35 parts by mass, 10 parts by mass, and 0.5 parts by mass, respectively, and at the same time, MB-C1 was supplied from the side feeder at a rate of 20 parts by mass per hour.
- An electroconductive polyamide-polyphenylene ether resin composition was prepared by melt-kneading.
- the total raw material supply per hour was about 58kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- the total raw material supply per hour was about 60kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- the total raw material supply per hour was about 62kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- PAZPPE composition A2, PA-B2, and And SEBS 70 parts by mass, 4 parts by mass, and 12 parts by mass, and at the same time, 20 parts by mass of MB-C1 was supplied from the side feeder per hour, melt-kneaded, and conductive polyamide.
- One polyphenylene ether resin composition was prepared.
- the total raw material supply per hour was about 60kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- PPE-A, PA-B4, SEBS, and maleic anhydride were 35 parts by mass, 35 parts by mass, 10 parts by mass, and 0, respectively, from the main supply port of the extruder. 5 parts by mass were supplied at the same time, and MB-C2 was supplied from the side feeder at a rate of 20 parts by mass per hour, and melt-kneaded to prepare a conductive polyamide-polyphenylene ether resin composition.
- the total raw material supply per hour was about 58kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- PPE-A, PA-C1, SEBS, and maleic anhydride were 35, 35, 10 and 0 parts per hour, respectively, from the main feed port of the extruder. .5 parts by mass were supplied at the same time, and MB-C1 was supplied in an amount of 20 parts by mass per hour from the side feeder and melt-kneaded to prepare a conductive polyamide-polyphenylene ether resin composition.
- the total raw material supply per hour was about 58kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- the total raw material supply per hour was about 62kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- PPE-A, PA-B5, SEBS, and maleic anhydride were 35 parts by mass, 35 parts by mass, 10 parts by mass, and 0, respectively, from the main supply port of the extruder. .5 parts by mass were supplied at the same time, and MB-C1 was supplied in an amount of 20 parts by mass per hour from the side feeder and melt-kneaded to prepare a conductive polyamide-polyphenylene ether resin composition.
- the total raw material supply per hour was about 56kgZh.
- Example 2 In the same manner as in Example 1, multipurpose test pieces were prepared, and SSP, Izod impact strength, flexural modulus, and volume resistivity were measured.
- PPE-A, PA-B3, SEBS, and maleic anhydride were 35 parts by mass, 35 parts by mass, 10 parts by mass, and 0, respectively, from the main supply port of the extruder. 5 parts by mass were supplied at the same time, and MB-B3 was supplied from the side feeder at a rate of 20 parts by mass per hour, and melt-kneaded to prepare a conductive polyamide-polyphenylene ether resin composition.
- the total raw material supply per hour was about 50 kgZh.
- Example 2 As in Example 1, a multi-purpose specimen was prepared, and SSP, Izod impact strength, flexural modulus, and And volume resistivity was measured.
- Table 1 shows the results of SSP, Izod impact strength, flexural modulus, and volume resistivity for Examples 1 to 6 and Comparative Examples 1 to 4.
- the conductive polyamide-polyphenylene ether resin composition of the present invention is obtained by efficiently dispersing a conductive filler in a polyamide polyphenylene ether resin composition. It is an economical conductive polyamide polyphenylene ether resin composition with excellent balance between mechanical properties and flow characteristics such as impact and rigidity, and electrical / electronic components, automotive components, architectural components, and other industries. It can be suitably used for applications as a member for use.
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP06732536.5A EP2022827B1 (en) | 2006-05-12 | 2006-05-12 | Process for production of conductive resin composition |
PCT/JP2006/309555 WO2007132504A1 (ja) | 2006-05-12 | 2006-05-12 | 導電性樹脂組成物の製造方法 |
EP09159869.8A EP2123717B1 (en) | 2006-05-12 | 2006-05-12 | Process for production of conductive resin composition |
US12/294,124 US8304472B2 (en) | 2006-05-12 | 2006-05-12 | Process for production of conductive resin composition |
CNA2006800545524A CN101437899A (zh) | 2006-05-12 | 2006-05-12 | 导电性树脂组合物的制造方法 |
US12/464,664 US20090283724A1 (en) | 2006-05-12 | 2009-05-12 | Conductive master batch |
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PCT/JP2006/309555 WO2007132504A1 (ja) | 2006-05-12 | 2006-05-12 | 導電性樹脂組成物の製造方法 |
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US (2) | US8304472B2 (ja) |
EP (2) | EP2123717B1 (ja) |
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CN105580064A (zh) * | 2013-09-24 | 2016-05-11 | 三星电子株式会社 | 导电树脂组合物和使用该导电树脂组合物的显示装置 |
US10366804B2 (en) | 2013-09-24 | 2019-07-30 | Samsung Electronics Co., Ltd. | Conductive resin composition and display device using the same |
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JP6150728B2 (ja) * | 2010-06-15 | 2017-06-21 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 耐熱老化性ポリアミド |
CN103160108A (zh) * | 2011-12-09 | 2013-06-19 | 上海杰事杰新材料(集团)股份有限公司 | 无卤阻燃聚苯醚/尼龙6共混合金及其制备方法与应用 |
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US20150183991A1 (en) * | 2013-11-20 | 2015-07-02 | Asahi Kasei Chemicals Corporation | Flame-retardant thermoplastic resin composition and molded article of the same |
FR3037591A1 (fr) * | 2015-06-18 | 2016-12-23 | Michelin & Cie | Pneumatique pourvu d'une bande de roulement comprenant un elastomere dienique, un elastomere thermoplastique et une resine thermoplastique comprenant des motifs polyphenylene ether |
FR3037592B1 (fr) | 2015-06-18 | 2017-06-09 | Michelin & Cie | Pneumatique pourvu d'une bande de roulement comprenant un elastomere dienique et un systeme d'elastomeres thermoplastiques |
KR20240043775A (ko) * | 2021-08-06 | 2024-04-03 | 비를라 카본 유.에스.에이., 인코포레이티드 | 카본 블랙 및 카본 나노튜브를 포함하는 마스터배치 조성물(masterbatch compositions with carbon black and carbon nanotubes) |
CN113980478B (zh) * | 2021-10-27 | 2022-09-06 | 中化学科学技术研究有限公司 | 导电性热塑性弹性体组合物、电极部件及开关 |
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EP2022827A4 (en) | 2012-06-27 |
US8304472B2 (en) | 2012-11-06 |
CN101437899A (zh) | 2009-05-20 |
EP2123717A1 (en) | 2009-11-25 |
EP2123717B1 (en) | 2013-07-03 |
US20090283724A1 (en) | 2009-11-19 |
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