WO2011070968A1 - Composition de résine de sulfure de polyarylène et article moulé par insertion - Google Patents

Composition de résine de sulfure de polyarylène et article moulé par insertion Download PDF

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Publication number
WO2011070968A1
WO2011070968A1 PCT/JP2010/071580 JP2010071580W WO2011070968A1 WO 2011070968 A1 WO2011070968 A1 WO 2011070968A1 JP 2010071580 W JP2010071580 W JP 2010071580W WO 2011070968 A1 WO2011070968 A1 WO 2011070968A1
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resin composition
glycidyl ester
content
olefin
insert
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PCT/JP2010/071580
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English (en)
Japanese (ja)
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雷太 西川
竜也 金塚
博樹 荒井
至仁 深沢
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ポリプラスチックス株式会社
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Application filed by ポリプラスチックス株式会社 filed Critical ポリプラスチックス株式会社
Priority to US13/513,771 priority Critical patent/US8852707B2/en
Priority to EP20100835889 priority patent/EP2511344B1/fr
Priority to CN201080055308.6A priority patent/CN102652153B/zh
Priority to JP2011545187A priority patent/JP5711148B2/ja
Publication of WO2011070968A1 publication Critical patent/WO2011070968A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02—Polythioethers; Polythioether-ethers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • Y10T428/31529—Next to metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31533—Of polythioether

Definitions

  • the present invention relates to a polyarylene sulfide-based resin composition and an insert-molded product obtained by integrally molding with an insert member by insert molding using the polyarylene sulfide-based resin composition.
  • PAS resin represented by polyphenylene sulfide (hereinafter abbreviated as PPS) resin has high heat resistance, mechanical properties, chemical resistance, dimensional stability, and flame retardancy. . For this reason, PAS resin is widely used for electrical / electronic equipment component materials, automotive equipment component materials, chemical equipment component materials, and the like, and is particularly used for applications with a high use environment temperature.
  • the insert molding method is a molding method in which the characteristics of a resin and the characteristics of a material such as a metal or an inorganic solid (hereinafter sometimes abbreviated as a metal) are used to embed the metal or the like in a resin.
  • Resin and metal are extremely different in expansion and contraction rate (so-called linear expansion coefficient) due to temperature change. For this reason, when the resin part of the molded product is thin, when the metal or the like has sharp corners, it is often cracked immediately after molding or cracked due to a temperature change during use.
  • resin is also used in parts around automobile engines. Since the temperature change around the engine of an automobile is large, a resin composition having further excellent high and low temperature impact characteristics is required.
  • a PAS resin is blended with an olefin copolymer containing ⁇ -olefin and ⁇ , ⁇ -unsaturated glycidyl ester as main components (see Patent Document 1) ), And those obtained by blending an olefin copolymer of ethylene and an ⁇ -olefin having 5 or more carbon atoms with a PAS resin (see Patent Document 2).
  • Patent Document 3 As a method for solving the problem of mold deposit while maintaining sufficient high and low temperature impact characteristics in a resin composition, a method of further blending a specific antioxidant with a PAS resin and a specific olefin copolymer (Patent Document 3) And a method of blending a specific olefin copolymer with a PAS resin (see Patent Document 4).
  • the PAS-based resin composition is required to further improve the mold deposit problem while maintaining the high and low temperature impact characteristics equal to or higher than those of the conventional one, and to have fluidity suitable for insert molding.
  • the present invention has been made to solve the above-mentioned problems, and its purpose is to impart excellent high and low temperature impact characteristics to a molded product, and can significantly reduce the occurrence of mold deposits during molding, and insert molding. It is providing the PAS type-resin composition suitable for 1 and the insert molding product using the said resin composition.
  • the inventors of the present invention have made extensive studies to solve the above problems.
  • the glycidyl ester of ⁇ , ⁇ -unsaturated acid contained in this copolymer is changed to
  • the high and low temperature impact properties increase as the content of the copolymer component derived from increases, it is found that the amount of mold deposit generated during molding increases, and further the content of the copolymer component derived from the glycidyl ester is reduced. Even so, it has been found that the high and low temperature impact characteristics can be improved by including a specific copolymer component such as a repeating unit derived from an acrylate ester, and the present invention has been completed. More specifically, the present invention provides the following.
  • a polyarylene sulfide resin composition comprising a polyarylene sulfide resin having a carboxyl end group and an olefin copolymer, the olefin copolymer comprising an ⁇ -olefin as a copolymer component, Copolymer derived from the glycidyl ester in the resin composition, comprising a glycidyl ester of an ⁇ , ⁇ -unsaturated acid and an acrylic ester, wherein the polyarylene sulfide resin has a number average molecular weight of 1,000 or more and 10,000 or less.
  • the content of the component is 0.08% by mass or more and 0.20% by mass or less, the content of the carboxyl end group (mmol / kg) and the content of the copolymer component derived from the glycidyl ester (mmol / kg),
  • the polyarylene sulfide-based resin composition having a ratio of 0.35 to 1.00.
  • PAS resin composition of the present invention By using the PAS resin composition of the present invention, generation of mold deposits during molding can be remarkably reduced, and excellent high-temperature impact characteristics can be imparted to the obtained molded product.
  • the number average molecular weight of the PAS resin is adjusted to a specific range, and the carboxyl end group amount (mmol / kg) of the PAS resin and the content of the copolymer component derived from the glycidyl ester (mmol / kg). Is adjusted to a specific range, the fluidity of the resin composition is increased and the moldability is improved.
  • the polyarylene sulfide-based resin composition (PAS-based resin composition) of the present invention includes a polyarylene sulfide resin having a carboxyl terminal group and an olefin-based copolymer. First, these essential components will be described below.
  • the polyarylene sulfide resin used in the present invention is mainly composed of — (Ar—S) — (Ar is an arylene group) as a repeating unit.
  • a PAS resin having a generally known molecular structure can be used.
  • the arylene group is not particularly limited.
  • arylene sulfide groups composed of the above arylene groups in addition to a homopolymer using the same repeating unit, a polymer containing a repetition of different arylene sulfide groups is preferable depending on the application.
  • the homopolymer preferably has a p-phenylene sulfide group as a repeating unit as an arylene group. This is because a homopolymer having a p-phenylene sulfide group as a repeating unit has extremely high heat resistance and exhibits high strength, high rigidity and high dimensional stability in a wide temperature range. By using such a homopolymer, a molded product having very excellent physical properties can be obtained.
  • a combination of two or more types of arylene sulfide groups which are different from the arylene sulfide groups containing the above-mentioned arylene groups can be used.
  • a combination containing a p-phenylene sulfide group and an m-phenylene sulfide group is preferable from the viewpoint of obtaining a molded product having high physical properties such as heat resistance, moldability, and mechanical properties.
  • a polymer containing 70 mol% or more of p-phenylene sulfide groups is more preferred, and a polymer containing 80 mol% or more is more preferred.
  • the PAS resin having a phenylene sulfide group is a PPS (polyphenylene sulfide) resin.
  • the PAS resin can be produced by a conventionally known polymerization method. Usually, in order to remove by-product impurities, the PAS resin is washed several times with water or acetone, and then washed with acetic acid, ammonium chloride or the like. As a result, the PAS resin terminal contains a predetermined amount of carboxyl terminal groups.
  • the carboxyl end group amount of the PAS resin needs to be adjusted to a specific range with respect to the content of the copolymer component derived from the glycidyl ester of ⁇ , ⁇ -unsaturated acid.
  • the value obtained by the method described in the Example is employ
  • the number average molecular weight of the PAS resin used in the present invention is 1000 or more and 10,000 or less.
  • the PAS resin composition tends to have high fluidity in a molten state when filling the mold.
  • the molten resin can easily go around the insert member in the mold.
  • the more preferable range of the number average molecular weight is 4000 or more and 9000 or less.
  • the value obtained by measuring with the method as described in an Example is employ
  • the olefin copolymer contains ⁇ -olefin, ⁇ , ⁇ -unsaturated glycidyl ester and acrylic acid ester as copolymerization components.
  • the essential copolymer component will be described.
  • the ⁇ -olefin is not particularly limited, and conventionally known ⁇ -olefins can be used.
  • usable ⁇ -olefins include ethylene, propylene, butylene and the like.
  • ethylene is particularly preferable.
  • Two or more of these ⁇ -olefins can be used in combination.
  • ⁇ -olefin As a copolymerization component, flexibility is imparted to the molded product.
  • the softening of the molded product due to the provision of flexibility contributes to the improvement of the high and low temperature impact characteristics.
  • the content of the copolymer component derived from ⁇ -olefin in the resin composition is preferably 2% by mass or more.
  • the copolymer component derived from the ⁇ -olefin is contained in the resin composition of the present invention in an amount of 2% by mass or more, flexibility can be sufficiently imparted to a molded product, and high and low temperature impact characteristics are improved. .
  • the glycidyl ester of ⁇ , ⁇ -unsaturated acid is a component represented by the following general formula (1).
  • R 1 in formula (1) represents hydrogen or a lower alkyl group.
  • Examples of the compound represented by the general formula (1) include glycidyl acrylate, glycidyl methacrylate, and glycidyl ethacrylate. In the present invention, use of glycidyl methacrylate is preferred.
  • glycidyl ester of ⁇ , ⁇ -unsaturated acid As a copolymerization component, an effect of improving high and low temperature impact characteristics can be obtained.
  • the content of the copolymer component derived from the glycidyl ester is increased, the problem of mold deposit becomes remarkable.
  • the cause of mold deposit is that a thermoplastic elastomer such as an olefin copolymer is thermally deteriorated at a high temperature.
  • the content of the copolymer component derived from the glycidyl ester of ⁇ , ⁇ -unsaturated acid in the resin composition is 0.08% by mass or more and 0.20% by mass or less. If the content of the copolymer component derived from the glycidyl ester of ⁇ , ⁇ -unsaturated acid is 0.08% by mass or more, the content of the copolymer component derived from the glycidyl ester in order to suppress the problem of mold deposit Even if the amount is reduced, sufficient high and low temperature impact characteristics can be imparted to the molded product.
  • the content of the copolymer component derived from the glycidyl ester of ⁇ , ⁇ -unsaturated acid is 0.20% by mass or less, the high-low temperature impact characteristics may be improved by the copolymer component derived from the glycidyl ester. The problem of mold deposit can be suppressed.
  • the glycidyl group contained in the copolymer component derived from the glycidyl ester reacts with the carboxyl end group of the PAS resin. It is presumed that this reaction increases the interaction between PPS and the olefin copolymer and improves the high and low temperature impact characteristics.
  • the glycidyl groups of an olefin type copolymer will react. As a result, the resin thickens and the fluidity of the resin composition decreases, making it unsuitable for insert molding.
  • the ratio of the content of the copolymer component derived from the glycidyl ester and the carboxyl group terminal group amount of the PAS resin (glycidyl ester content / carboxyl terminal group amount) to a specific range.
  • the ratio is 0.35 or more and 1.00 or less.
  • the acrylic ester that can be used in the present invention is not particularly limited, and conventionally known acrylic esters can be used.
  • Usable acrylic esters include, for example, methyl acrylate, ethyl acrylate, acrylate-n-propyl, isopropyl acrylate, acrylate-n-butyl, acrylate-n-hexyl, and acrylate-n-octyl.
  • Methacrylic acid and methacrylic acid esters for example, methyl methacrylate, ethyl methacrylate, methacrylic acid-n-propyl, isopropyl methacrylate, methacrylic acid-n-butyl, methacrylic acid isobutyl, methacrylic acid-n-amyl, methacrylic acid
  • examples thereof include acid-n-octyl, etc.
  • acrylic esters it is particularly preferable to use methyl acrylate.
  • the acrylic ester is a component that contributes to the improvement of high and low temperature impact characteristics.
  • the high and low temperature impact characteristics which are reduced by reducing the content of the copolymer component derived from glycidyl ester, are compensated by the copolymer component derived from acrylic acid ester and the copolymer component derived from ⁇ -olefin.
  • the content of the copolymer component derived from the acrylate ester contained in the olefin copolymer of the present invention is not particularly limited, but is preferably 10% by mass or more and 40% by mass or less. If the content is 10% by mass or more, it is preferable because the high and low temperature impact characteristics are excellent, and if it is 40% by mass or less, it is preferable because the heat resistance is not impaired.
  • the olefin copolymer used in the present invention can contain other copolymer components as long as the effects of the present invention are not impaired.
  • the olefin copolymer used in the present invention can be produced by polymerization by a conventionally known method.
  • the content of the olefin copolymer contained in the composition of the present invention is not particularly limited.
  • the content of the olefin copolymer is preferably 1% by mass or more and 8% by mass or more.
  • the content of the copolymer component derived from the glycidyl ester is adjusted to a specific range rather than the content of the olefin copolymer, or the content of the copolymer component derived from the glycidyl ester is included. It is important to adjust the ratio of the amount and the carboxyl group end group amount of the PAS resin (glycidyl ester content / carboxyl end group amount) to a specific range.
  • an inorganic filler in the resin composition of the present invention, can be blended for the purpose of improving performance such as mechanical strength, heat resistance, dimensional stability (deformation resistance, warpage), and electrical properties.
  • fibrous, granular or plate-like fillers are used depending on the purpose.
  • the fibrous filler include glass fiber, asbestos fiber, carbon fiber, silica fiber, silica / alumina fiber, zirconia fiber, boron nitride fiber, boron fiber, potassium titanate fiber, stainless steel, aluminum, titanium, copper, brass, etc.
  • examples thereof include inorganic fibrous materials such as metal fibrous materials.
  • Particularly typical fibrous fillers are glass fibers or carbon fibers.
  • the granular fillers include carbon black, silica, quartz powder, glass beads, glass powder, calcium oxalate, aluminum oxalate, kaolin, talc, clay, diatomaceous earth, wollastonite and oxidation
  • Metal oxides such as iron, titanium oxide, zinc oxide and alumina, metal carbonates such as calcium carbonate and magnesium carbonate, metal sulfates such as calcium sulfate and barium sulfate, other silicon carbide, silicon nitride, boron nitride, Various metal powders are mentioned.
  • the plate-like filler include mica, glass flakes, and various metal foils. In the present invention, it is preferable to use glass fibers, calcium carbonate, glass beads, or a combination thereof. These inorganic fillers can be used alone or in combination of two or more.
  • the content of the inorganic filler in the resin composition of the present invention is preferably 5% by mass or more and 80% by mass. If the amount is less than 5% by mass, the effect of improving the performance such as mechanical strength tends to be hardly exhibited. If the amount is more than 80% by mass, the molding operation becomes difficult, and the physical properties such as the mechanical strength of the molded product. There may also be problems.
  • the PAS resin composition used in the present invention may contain other resins as long as the effects of the present invention are not impaired.
  • additives such as nucleating agents, carbon black, pigments such as inorganic fired pigments, antioxidants, stabilizers, plasticizers, lubricants, mold release agents, and flame retardants are added to impart desired properties to the molded product.
  • the PAS resin composition used in the present invention also includes a composition that is added to impart desired characteristics.
  • the resin composition of the present invention can be prepared by a conventionally known method. For example, after mixing each component, kneading and extruding with an extruder to prepare pellets, once preparing pellets with different compositions, mixing a predetermined amount of the pellets and using them for molding. Any method can be used such as a method for obtaining 1 or 2 or more of each component directly in a molding machine.
  • the resin composition of the present invention has fluidity suitable for insert molding.
  • the fluidity of the resin composition varies depending on the type and blending amount of the resin used, and the type and proportion of the copolymer component when the resin is a copolymer.
  • the fluidity of the PAS resin is mainly used. By adjusting the number average molecular weight, preferable fluidity can be realized.
  • liquidity of PAS resin is 400 g / 10min or more and 1500 g / 10min or less for the melt index measured on conditions of 315 degreeC and a load of 2160g, for example.
  • the insert molded article of the present invention is formed by integrally molding with an insert member by insert molding using the PAS resin composition. Except that the material to be used is the PAS resin composition of the present invention, it is the same as a general insert molded product.
  • a general insert-molded product refers to a compound molded product obtained by mounting a metal or the like in a molding die in advance and filling the compounded resin composition on the outside thereof. Examples of the molding method for filling the resin with the mold include injection, extrusion compression molding, and the like, and the injection molding method is common. In particular, in the case of injection molding, fluidity like the resin composition of the present invention is required.
  • the insert member is not particularly limited, but since it is used for the purpose of making use of its characteristics and compensating for the defects of the resin, those that do not change shape or melt when contacted with the resin during molding are preferably used.
  • metals such as aluminum, magnesium, copper, iron, brass, and alloys thereof, and inorganic solids such as glass and ceramics, which are previously formed into rods, pins, screws, etc., are used. In the present invention, when a metal is used, the effect of the present invention is remarkably exhibited.
  • the shape is not particularly limited.
  • the vertical axis represents high-low temperature impact characteristics
  • the horizontal axis represents the content of a copolymer component derived from glycidyl ester in the composition (sometimes referred to as glycidyl ester amount).
  • Solid line P shows high-low temperature impact properties and amount of glycidyl ester when an olefin copolymer containing ⁇ -olefin, ⁇ , ⁇ -unsaturated glycidyl ester and acrylic acid ester is used as a copolymerization component. It is a line which shows the relationship.
  • the broken line Q shows the relationship between the high and low temperature impact characteristics and the amount of glycidyl ester when an olefin copolymer containing ⁇ -olefin and ⁇ , ⁇ -unsaturated glycidyl ester is used as a copolymerization component. Is a line.
  • the problem of mold deposit can be greatly improved. This is an effect of suppressing generation of mold deposits.
  • the problem of mold deposit can be significantly suppressed, the high and low temperature impact characteristics of ⁇ y1 are reduced only by reducing the amount of glycidyl ester.
  • the high and low temperature impact characteristics of ⁇ y2 minutes can be improved.
  • the amount of glycidyl ester is less than 0.08% by mass, and the ratio (glycidyl ester content / carboxyl terminal group amount) is less than 0.35, the improvement of high and low temperature impact characteristics by glycidyl ester
  • the effect and the effect of improving the high and low temperature impact characteristics by the copolymer component are also reduced.
  • x3 in FIG. 1 has an effect of slightly improving high and low temperature impact characteristics, but the effect is very small ( ⁇ y2 >> ⁇ y3).
  • the amount of glycidyl ester is adjusted to a range exceeding 0.20% by mass for the purpose of obtaining higher high and low temperature impact characteristics, and the ratio (glycidyl ester content / carboxyl terminal group amount) exceeds 1.00, Impact characteristics are greatly improved. For example, at x4 in FIG. 1, the high and low temperature impact characteristics are very high (y4). However, when the amount of glycidyl is x4, the problem of mold deposit becomes large.
  • PAS resin 1 PPS resin, “W205A” manufactured by Kureha Corporation
  • PAS resin 2 PPS resin, “W300” manufactured by Kureha Co., Ltd.
  • the number average molecular weight of the PAS resin was measured. Specifically, 1-chloronaphthalene was used as a solvent and dissolved by heating in an oil bath at 230 ° C./10 minutes to prepare a 0.05 mass% concentration solution. A high temperature gel permeation chromatographic method (measuring device; Senshu Scientific SSC-7000, UV detector) was performed, and the number average molecular weight was calculated in terms of standard polystyrene. The calculation results were 8000 for PAS resin 1 and 17000 for PAS resin 2. The melt index was 550 for PAS resin 1 and 70 for PAS resin 2.
  • Olefin copolymer 1 (7L): “Bond First 7L” manufactured by Sumitomo Chemical Co., Ltd.
  • Olefin copolymer 2 (7M): “Bond First 7M” manufactured by Sumitomo Chemical Co., Ltd.
  • Olefin copolymer 3 (2C): “Bond First 2C” manufactured by Sumitomo Chemical Co., Ltd.
  • Olefin copolymer 5 (CG5001): “Bond First CG5001” manufactured by Sumitomo Chemical Co., Ltd.
  • the olefin copolymers 1 and 2 contain ethylene, glycidyl methacrylate (GMA), and methyl acrylate (MA) as copolymer components.
  • the olefin copolymers 3 to 5 contain ethylene and glycidyl methacrylate as a copolymer component. Details of the content ratio of each copolymer component are shown in Table 1.
  • Inorganic filler 1 Glass fiber inorganic filler 2: Calcium carbonate inorganic filler 3: Glass beads
  • the above-mentioned method for producing a PAS resin composition comprises a PAS resin, an olefin copolymer, and, if necessary, other additives uniformly mixed with a tumbler or Henschel mixer, etc.
  • the resin composition pellets of Examples and Comparative Examples were prepared by melt-kneading with an extruder. In Table 1, glass fibers, calcium carbonate, and glass beads were introduced into an extruder using a side feeder and melt-kneaded.
  • melt index of the resin composition was measured. Specifically, it was measured under conditions of 315 ° C. and a load of 2160 g according to ASTM D-1238. The measurement results are shown in Table 1.
  • the amount of carboxyl end groups contained in the resin compositions used in Examples and Comparative Examples was measured by the following method.
  • the following method is an example
  • the peak height at the absorption peak of benzene ring of benzoic acid at 3065 cm ⁇ 1 and the absorption peak of carboxyl group at 1704 cm ⁇ 1 is measured. They are 0.012 and 0.143, respectively. Therefore, the relative intensity of the absorption peak of the carboxyl group with respect to the CH bond of the benzene ring is 59.6.
  • the resin composition is pressed and subjected to FT-IR measurement.
  • Peak height (absorption intensity) was 0.003 at the position of 0.072,1704Cm -1 at the position of 3065cm -1.
  • the absorption peak of one carboxyl group for one C—H bond of the benzene ring The relative intensity was determined to be 0.15. From the relative intensity of the absorption peak of benzoic acid in which one carboxyl group was substituted on the benzene ring, it was determined that the carboxyl group was contained in an amount of 0.25 mol% with respect to the benzene ring.
  • one cycle is a process of heating at 180 ° C. for 2 hours using a thermal shock tester, cooling to ⁇ 40 ° C., cooling for 2 hours, and further raising the temperature to 180 ° C.
  • a high and low temperature impact test was conducted, and the number of cycles until a crack occurred in a molded product was measured to evaluate high and low temperature impact properties. “ ⁇ ” indicates that the number of cycles is 100 or more, “ ⁇ ” indicates that the number of cycles is 70 or more and less than 100, “ ⁇ ” indicates that the number of cycles is 50 or more and less than 70, and “ ⁇ ” indicates that the number of cycles is less than 50. evaluated.
  • the number of cycles and evaluation results are shown in Table 1.
  • Comparative Examples 4 to 7 the content of the copolymer component derived from the glycidyl ester of ⁇ , ⁇ -unsaturated acid in the composition increases in the order of Comparative Examples 5, 4, 6, and 7. It has been confirmed that as the content of the copolymer component derived from the glycidyl ester increases, the problem of mold deposit increases. On the other hand, it was confirmed that the problem of mold deposit can be suppressed as the content of the copolymer component derived from the glycidyl ester decreases.
  • Examples 1, 2, 4, 5 and Comparative Examples 1 and 2 are Comparative Example 1, Example 5, Examples 1 and 4, Example 2, and Comparative Example 2 in the order of ⁇ , ⁇ -unsaturated acid glycidyl.
  • the content of the copolymer component derived from the ester is increased.
  • an ⁇ -olefin and an acrylic ester as copolymerization components, high and low temperature impact characteristics are high even if the content of the copolymer component derived from the glycidyl ester of ⁇ , ⁇ -unsaturated acid is suppressed. It was confirmed.
  • These Examples 1, 2, 4, 5 and Comparative Examples 1 and 2 show the behavior with the same tendency as the solid line P in FIG.

Abstract

La présente invention concerne une composition de résine PAS avec laquelle des articles moulés ayant d'excellentes propriétés de résistance aux chocs à températures élevée et basse peuvent être obtenus et que l'on peut empêcher considérablement de laisser des dépôts dans le moule lorsqu'elle est moulée et est adaptée pour utilisation en moulage par insertion. La présente invention concerne en outre un article moulé par insertion obtenu en utilisant la composition de résine. La composition de résine PAS comprend une résine PAS ayant des groupes carboxy terminaux et un copolymère d'oléfine, où le copolymère d'oléfine comprend des motifs d'une α-oléfine, l'ester glycidylique d'un acide α,β-insaturé, et un ester acrylique en tant que motifs de comonomère, la résine PAS a un poids moléculaire moyen en nombre de 1 000 à 10 000, et la teneur des motifs de comonomère dérivés de l'ester glycidylique dans la composition de résine est de 0,08 à 0,20 % en masse, le rapport de la quantité des groupes carboxy terminaux (mmole/kg) et la teneur des motifs de comonomère dérivés de l'ester glycidylique (mmole/kg) étant de 0,35 à 1,00.
PCT/JP2010/071580 2009-12-10 2010-12-02 Composition de résine de sulfure de polyarylène et article moulé par insertion WO2011070968A1 (fr)

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US13/513,771 US8852707B2 (en) 2009-12-10 2010-12-02 Polyarylene sulfide resin composition and insert-molded article
EP20100835889 EP2511344B1 (fr) 2009-12-10 2010-12-02 Composition de résine de sulfure de polyarylène et article moulé par insertion
CN201080055308.6A CN102652153B (zh) 2009-12-10 2010-12-02 聚芳硫醚系树脂组合物及嵌入成型品
JP2011545187A JP5711148B2 (ja) 2009-12-10 2010-12-02 ポリアリーレンサルファイド系樹脂組成物及びインサート成形品

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US9650515B2 (en) 2012-06-11 2017-05-16 Sk Chemicals Co., Ltd. Polyarylene sulfide resin composition and a preparation method thereof
WO2013187631A1 (fr) * 2012-06-11 2013-12-19 에스케이케미칼주식회사 Composition de résine sulfure de polyarylène et son procédé de préparation
JP2015524014A (ja) * 2012-06-11 2015-08-20 エスケー ケミカルズ カンパニー リミテッド ポリアリーレンスルフィド樹脂組成物およびその製造方法
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EP2883900A4 (fr) * 2012-08-07 2016-04-27 Sk Chemicals Co Ltd Résine de poly(sulfure d'arylène) et procédé pour préparer celle-ci
CN108178926B (zh) * 2012-08-07 2020-12-25 Sk化学株式会社 聚亚芳基硫醚树脂及其制备方法
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WO2015146718A1 (fr) * 2014-03-27 2015-10-01 ポリプラスチックス株式会社 Composition de résine de sulfure de polyarylène et corps moulé par insertion
JPWO2015146718A1 (ja) * 2014-03-27 2017-04-13 ポリプラスチックス株式会社 ポリアリーレンサルファイド系樹脂組成物及びインサート成形体
JP5916972B2 (ja) * 2014-03-27 2016-05-11 ポリプラスチックス株式会社 ポリアリーレンサルファイド系樹脂組成物及びインサート成形体
JP2016102151A (ja) * 2014-11-28 2016-06-02 東レ株式会社 ポリフェニレンスルフィド樹脂組成物およびそれからなる成形品
WO2016103470A1 (fr) * 2014-12-26 2016-06-30 ポリプラスチックス株式会社 Composition de résine de sulfure de polyarylène et article moulé sur prisonnier
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US10927255B2 (en) 2015-12-25 2021-02-23 Polyplastics Co., Ltd. Polyarylene sulfide resin composition and insert molded article
WO2017110807A1 (fr) * 2015-12-25 2017-06-29 ポリプラスチックス株式会社 Composition de résine à base de poly(sulfure d'arylène) et article moulé par insertion
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TW201137040A (en) 2011-11-01
CN102652153A (zh) 2012-08-29
JP5711148B2 (ja) 2015-04-30
EP2511344B1 (fr) 2015-04-08
TWI480332B (zh) 2015-04-11
US8852707B2 (en) 2014-10-07
CN102652153B (zh) 2014-10-08
KR20120093348A (ko) 2012-08-22
KR101591486B1 (ko) 2016-02-03
US20120237714A1 (en) 2012-09-20
EP2511344A1 (fr) 2012-10-17
EP2511344A4 (fr) 2014-04-16

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