WO2010087256A1 - 難燃性樹脂組成物および絶縁電線 - Google Patents
難燃性樹脂組成物および絶縁電線 Download PDFInfo
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- WO2010087256A1 WO2010087256A1 PCT/JP2010/050606 JP2010050606W WO2010087256A1 WO 2010087256 A1 WO2010087256 A1 WO 2010087256A1 JP 2010050606 W JP2010050606 W JP 2010050606W WO 2010087256 A1 WO2010087256 A1 WO 2010087256A1
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- Prior art keywords
- resin
- flame
- mfr
- polyolefin
- resin composition
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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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
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
Definitions
- the present invention relates to a flame retardant resin composition and an insulated wire using the flame retardant resin composition, and more particularly to a flame retardant resin composition and an insulation that are suitably used for automobiles, electrical / electronic devices, and the like. It relates to electric wires.
- Patent Document 1 a non-halogen flame retardant material that does not generate corrosive gas has been proposed (see, for example, Patent Document 1). Further, as a non-halogen flame retardant resin composition, a composition using a natural mineral mainly composed of magnesium hydroxide as a flame retardant is known (for example, see Patent Documents 2 to 4).
- JP 2004-83612 A Japanese Patent No. 3339154 Japanese Patent No. 3636675 JP 2004-189905 A
- the conventional non-halogen flame retardant resin composition comprising a polyolefin-based resin using a natural mineral mainly composed of magnesium hydroxide as a flame retardant has a problem that it does not have sufficient cold resistance and wear resistance. There is a need to improve the wear resistance and wear resistance.
- the problem to be solved by the present invention is to solve the above-mentioned problems.
- a metal hydrate such as magnesium hydroxide
- the object is to provide a flammable resin composition and an insulated wire.
- a flame retardant resin composition according to the present invention contains a flame retardant mainly composed of a metal hydrate and a base resin, and the base resin is a polyolefin resin having an elastic modulus of 2000 MPa or more. It consists of two or more, and the gist is that the melt flow rate (MFR) of at least one of the polyolefin-based resins is 5 g / 10 min or less.
- MFR melt flow rate
- the base resin contains a polyolefin resin having a melt flow rate (MFR) of more than 5 g / 10 min, and the melt flow rate (MFR) is 5 g / 10 min.
- MFR melt flow rate
- the difference in melt flow rate (MFR) between the following polyolefin resin and the polyolefin resin having a melt flow rate (MFR) of more than 5 g / 10 min is 5 g / 10 min or more, among the polyolefin resins of the base resin
- at least one polyolefin-based resin is a polypropylene resin having a functional group.
- the functional group is one or more selected from a carboxylic acid group, an acid anhydride group, an epoxy group, a hydroxyl group, an amino group, an alkenyl cyclic imino ether group, and a silane group.
- the polypropylene resin having a functional group is preferably blended in an amount of 10 to 30 parts by mass with respect to 100 parts by mass of the component excluding the polypropylene resin having the functional group.
- the gist of the insulated wire according to the present invention is that an insulator using the flame retardant resin composition according to the present invention is formed around a conductor.
- the flame retardant resin composition according to the present invention comprises two or more polyolefin resins having a base resin with an elastic modulus of 2000 MPa or more, and a melt flow rate (MFR) of at least one polyolefin resin is 5 g / 10 min or less. Therefore, even if it contains a flame retardant mainly composed of metal hydrate, it is excellent in cold resistance and wear resistance.
- MFR melt flow rate
- the base resin further contains a polyolefin resin having an MFR of more than 5 g / 10 min, and the difference between this and the polyolefin resin having an MFR of 5 g / 10 min or less is 5 g / 10 min or more, Furthermore, it has excellent wear resistance. This is presumably because the hardness of the entire composition is less likely to be averaged as a result of the difficulty in compatibilizing the polyolefin resins.
- the polyolefin resins of the base resin is a polypropylene resin having a functional group
- the conductor is coated with the flame retardant resin composition according to the present invention
- the adhesion to the conductor is improved, and the wear resistance and cold resistance can be further improved.
- the flame-retardant resin composition which concerns on this invention is used, it is excellent in cold resistance and abrasion resistance.
- the flame retardant resin composition according to the present invention (hereinafter sometimes referred to as the present composition) is composed of a material containing a flame retardant and a base resin.
- other additives can be appropriately blended with the present composition as necessary within a range not impairing physical properties such as cold resistance and wear resistance. Examples of other additives include antioxidants, fillers, and pigments.
- the base resin a so-called non-halogen plastic or rubber not containing a halogen element such as chlorine or bromine is used.
- a material preferable as such a base resin for example, a polyolefin-based resin can be given.
- the polyolefin resin include polyethylene resin, polypropylene resin, EVA and the like.
- the base resin is preferably a resin having no functional group from the standpoint of cost reduction.
- the base resin is a combination of two or more different types of polyolefin resins. Two or more kinds of polyolefin resins constituting the base resin each have an elastic modulus of 2000 MPa or more. Further, the melt flow rate (MFR) of at least one of the two or more polyolefin resins is 5 g / 10 min or less. By adopting such a configuration, excellent cold resistance and wear resistance can be obtained in the present composition.
- the elastic modulus is measured according to JIS K7161.
- the melt flow rate (MFR) is measured according to JIS K6758 (temperature 230 ° C., load 2.16 Kg).
- the elastic modulus of the polyolefin-based resin as the base resin is more preferably 2100 MPa or more, and further preferably 2200 MPa or more, from the viewpoint that the wear resistance can be further improved.
- the upper limit of the elastic modulus is preferably 4000 MPa, more preferably 3500 MPa, and still more preferably 3000 MPa from the viewpoint of excellent low-temperature characteristics (that the insulated wire does not crack in a low-temperature winding test).
- the MFR is preferably 3 g / 10 min or less, and more preferably the MFR is 1 g / 10 min or less. Thereby, the wear resistance can be further improved.
- the lower limit of the melt flow rate (MFR) of the base resin is preferably 0.8 g / 10 min, more preferably 0.5 g / 10 min, from the viewpoint that the fluidity of the composition is likely to be lowered and difficult to mold. is there.
- the base resin preferably contains a polyolefin resin having an MFR of more than 5 g / 10 min in addition to the polyolefin resin having an MFR of 5 g / 10 min or less.
- a polyolefin resin having an MFR of more than 5 g / 10 min in addition to the polyolefin resin having an MFR of 5 g / 10 min or less.
- the MFR is preferably more than 10 g / 10 min, and more preferably the MFR is more than 15 g / 10 min.
- the difference in MFR tends to increase, and the greater the difference in MFR, the more easily the properties of the polyolefin resin having a higher elastic modulus can be exhibited, and an improvement in wear resistance can be expected.
- the difference in MFR between the polyolefin resin having an MFR of 5 g / 10 min or less and the polyolefin resin having an MFR of more than 5 g / 10 min is more preferably 7 g / 10 min or more, and further preferably 10 g / 10 min or more.
- the polyolefin resin of the base resin may have a functional group or may not have a functional group. A more preferable case is when at least one polyolefin resin has a functional group.
- a polypropylene resin is preferable.
- the polypropylene resin having a functional group has an MFR of more than 5 g / 10 min.
- the functional group examples include a carboxylic acid group (carboxyl group), an acid anhydride group, an epoxy group, a hydroxyl group, an amino group, an alkenyl cyclic imino ether group, and a silane group.
- a functional group for example, when the wire conductor is coated with the composition, the adhesion between the coating material and the conductor is improved. As a result, the coating material is less likely to be peeled off from the conductor even at low temperatures, so that the cold resistance is improved. Even when a frictional force (external force) is applied to the surface of the covering material, the interface between the covering material and the conductor is difficult to tear, so that the wear resistance is improved.
- a method of introducing a functional group into the polyolefin resin specifically, a method of graft-polymerizing a compound having a functional group onto a polyolefin resin to obtain a graft-modified olefin polymer, a compound having a functional group
- examples thereof include a method of copolymerizing an olefin monomer to obtain an olefin copolymer.
- Specific examples of the compound that introduces a carboxyl group or an acid anhydride group as a functional group include ⁇ , ⁇ -unsaturated dicarboxylic acids such as maleic acid, fumaric acid, citraconic acid, and itaconic acid, or anhydrides thereof.
- Examples thereof include unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, furanic acid, crotonic acid, vinyl acetic acid and pentenoic acid.
- the compound for introducing an epoxy group as a functional group include glycidyl acrylate, glycidyl methacrylate, itaconic acid monoglycidyl ester, butenetricarboxylic acid monoglycidyl ester, butenetricarboxylic acid diglycidyl ester, butenetricarboxylic acid triglycidyl.
- Glycidyl esters such as esters, ⁇ -chloroacrylic acid, maleic acid, crotonic acid, fumaric acid, glycidyl ethers such as vinyl glycidyl ether, allyl glycidyl ether, glycidyloxyethyl vinyl ether, styrene-p-glycidyl ether, p-glycidyl Examples include styrene.
- Specific examples of the compound that introduces a hydroxyl group as a functional group include 1-hydroxypropyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and hydroxyethyl (meth) acrylate.
- Specific examples of compounds that introduce amino groups as functional groups include aminoethyl (meth) acrylate, propylaminoethyl (meth) acrylate, dimethylaminoethyl (meth) acrylate, diethylaminoethyl (meth) acrylate, and dibutylaminoethyl.
- Specific examples of the compound that introduces an alkenyl cyclic imino ether group as a functional group include 2-vinyl-2-oxazoline, 2-isopropenyl-2-oxazoline, 2-vinyl-5,6-dihydro-4H-1 , 3-oxazine, 2-isopropenyl-5,6-dihydro-4H-1,3-oxazine, and the like.
- Specific examples of the compound that introduces a silane group as a functional group include unsaturated silane compounds such as vinyltrimethoxysilane, vinyltriethoxysilane, vinyltriacetylsilane, and vinyltrichlorosilane.
- the compounding amount of the polyolefin resin having a functional group is preferably 10 to 30 parts by mass with respect to 100 parts by mass of the component excluding the polyolefin resin having the functional group in the composition.
- the blending amount is less than 10 parts by mass, there is a possibility that sufficient abrasion resistance cannot be obtained when an insulating layer of an insulated wire is used.
- a compounding quantity exceeds 30 mass parts, when it is set as the insulating layer of an insulated wire, there exists a possibility that cold resistance may fall.
- a more preferable blending amount is 12 to 28 parts by weight, and more preferably 15 to 25 parts by weight with respect to 100 parts by weight of the component excluding the polyolefin resin having the functional group in the composition.
- the (weight average) molecular weight of the polyolefin resin as the base resin is preferably in the range of 1,000 to 1,000,000. If the molecular weight is less than 1000, the effect of improving wear resistance may be reduced. On the other hand, if the molecular weight exceeds 1,000,000, processability may be deteriorated.
- the flame retardant is mainly composed of metal hydrate.
- the metal hydrate include magnesium hydroxide, aluminum hydroxide, calcium hydroxide and the like. More preferably, it is magnesium hydroxide.
- Magnesium hydroxide may be a natural product obtained by pulverizing natural minerals or a synthetic product obtained by synthesis from seawater.
- the average particle size of the flame retardant is 0.1 to 20 ⁇ m, preferably 0.2 to 10 ⁇ m, and more preferably 0.5 to 5 ⁇ m.
- the average particle size of the flame retardant is less than 0.1 ⁇ m, secondary aggregation is likely to occur, and the mechanical characteristics are likely to be deteriorated.
- the average particle diameter of a flame retardant exceeds 20 micrometers, when using for the insulating layer of an insulated wire, there exists a possibility that it may become the external appearance defect of an insulating layer.
- the flame retardancy required for an insulated wire such as an automobile can be obtained.
- the blending amount of the flame retardant is preferably 50 to 200 parts by mass, more preferably 60 to 180 parts by mass with respect to 100 parts by mass of the base resin.
- the surface of the flame retardant may be surface-treated with a surface treatment agent.
- a surface treatment agent a homopolymer of ⁇ -olefin such as 1-heptene, 1-octene, 1-nonene, 1-decene, or a mutual copolymer, or a mixture thereof is used.
- the surface treatment agent may be modified.
- Modification of the flame retardant surface treatment agent is, for example, a method of using an unsaturated carboxylic acid or a derivative thereof as a modifying agent and introducing a carboxyl group (acid) into the polymer such as the above-mentioned ⁇ -olefin polymer to modify the acid.
- a carboxyl group an acid
- Specific examples of the modifier include maleic acid and fumaric acid as unsaturated carboxylic acid, and maleic anhydride (MAH), maleic acid monoester, maleic acid diester and the like as derivatives thereof.
- maleic acid and maleic anhydride are preferable. These modifiers may be used alone or in combination of two or more.
- Examples of the acid modification method for introducing an acid into the surface treatment agent include graft polymerization and a direct method.
- the amount of acid modification is usually about 0.1 to 20% by mass, preferably 0.2 to 10% by mass, more preferably 0.2 to 10% by mass with respect to the polymer, as the amount of modifier used. 5% by mass.
- the surface treatment method for treating the flame retardant with the surface treatment agent is not particularly limited, and various treatment methods can be used.
- the surface treatment method of the flame retardant include a method performed simultaneously with the pulverization of the flame retardant, and a method of mixing the previously pulverized flame retardant and the surface treatment agent and treating them later.
- any of the wet processing method using a solvent and the dry processing method which does not use a solvent may be sufficient.
- the solvent used for the wet treatment of the flame retardant aliphatic hydrocarbons such as pentane, hexane and heptane, aromatic hydrocarbons such as benzene, toluene and xylene are used.
- the surface treatment of the flame retardant may be a method in which a surface treatment agent is added to the flame retardant and the resin at the time of preparing the flame retardant resin composition and the composition is kneaded at the same time.
- the method for producing the flame retardant resin composition is not particularly limited, and a known method can be used.
- the flame-retardant resin composition can be produced by, for example, melting and kneading with a conventional kneader such as a Banbury mixer, a pressure kneader, a kneading extruder, a twin-screw kneading extruder, and a roll and uniformly dispersing it. .
- the flame-retardant resin composition can be used as a member or an insulating material used in automobiles, electronic / electric equipment, and is particularly suitably used as a material for forming an insulating layer of an insulated wire.
- the insulated wire of the present invention is flame retardant by covering the conductor by extruding the flame retardant resin composition around the conductor using an electric wire extrusion molding machine or the like used for production of a normal insulated wire.
- An insulating layer using the resin composition is formed around the conductor.
- the conductor used for an insulated wire can utilize what is used for a normal insulated wire.
- the diameter of the conductor of an insulated wire, the thickness of an insulating layer, etc. are not specifically limited, According to the use etc. of an insulated wire, it can determine suitably.
- the insulating layer may be a single layer or may be composed of two or more layers.
- base resin and magnesium hydroxide
- Examples 2 to 8, Comparative Examples 1 to 7 An insulated wire was manufactured in the same manner as in Example 1 except that the base resin of Example 1 was a base resin composed of a combination of polyolefin resins shown in the column of component composition in Table 1.
- the cold resistance test and the abrasion resistance test were performed using the insulated wires obtained in the examples and comparative examples.
- the test results are shown in Table 1.
- the cold resistance test method and the wear resistance test method are as follows.
- Cold resistance test method This was performed in accordance with JIS C3005. That is, the insulated wires of Examples and Comparative Examples were cut to a length of 38 mm to form test pieces, the test pieces were mounted on a cold resistance tester, cooled to a predetermined temperature, hit with a hitting tool, The condition after hitting was observed. Using five test pieces, the temperature at which all five test pieces were broken was defined as the cold resistant temperature.
- the test was conducted by a blade reciprocation method in accordance with the automobile technical standard “JASO D611-94”. That is, the insulated wire of an Example and a comparative example was cut out to the length of 750 mm, and it was set as the test piece. Then, at a room temperature of 23 ⁇ 5 ° C., the blade is reciprocated at a speed of 50 mm / min with a length of 10 mm or more in the axial direction with respect to the coating material (insulating layer) of the test piece, and the number of reciprocations until contact with the conductor. was measured. At this time, the load applied to the blade was 7N. As for the number of times, 400 times or more was accepted ()), 200 times to less than 400 times was accepted ( ⁇ ), and less than 200 times was rejected (x).
- Examples 1 to 8 had good cold resistance of ⁇ 20 to ⁇ 30 ° C. and passed the wear resistance. In particular, when a polyolefin-based resin having a functional group was contained, it was confirmed that the wear resistance was further improved. On the other hand, in Comparative Example 1, the elastic modulus of at least one polyolefin resin among the polyolefin resins as the base resin was less than 2000 MPa, and the wear resistance was unacceptable. In Comparative Examples 2 to 7, there was no polyolefin resin having an MFR of 5 g / 10 min or less in the base resin, the cold resistance was inferior to the Examples, and the wear resistance was also unacceptable.
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Abstract
Description
ベース樹脂として、官能基が導入されていないポリプロピレン樹脂(日本ポリプロ社製、商品名「FL6H」、MFR=3.0g/10min、弾性率2600MPa)30質量部と、官能基が導入されていないポリプロピレン樹脂(日本ポリプロ社製、商品名「MA3AHTA」、MFR=12g/10min、弾性率2400MPa)20質量部とを用い、ベース樹脂と、水酸化マグネシウム(協和化学工業社製、商品名「キスマ5A」)49質量部と、酸化防止剤(チバスペシャリティケミカルズ社製、商品名「イルガノックス1010」)1質量部とを、二軸混練機を用いて200℃で混合した後、ペレタイザーにてペレット状に成形して難燃性樹脂組成物のペレットを得た。このペレットを押出成形機により軟銅線を7本撚り合わせた軟銅撚線の導体(断面積:0.5mm2)の外周に0.2mm厚で押出して、難燃性樹脂組成物からなる絶縁層により導体が被覆された絶縁電線を得た。
実施例1のベース樹脂を、表1の成分組成の欄に示すポリオレフィン系樹脂の組み合わせからなるベース樹脂とした以外は、実施例1と同様にして絶縁電線を製造した。
JIS C3005に準拠して行った。すなわち、実施例、比較例の絶縁電線を38mmの長さに切断し試験片とし、試験片を耐寒性試験機に装着し、所定の温度まで冷却し、打撃具で打撃して、試験片の打撃後の状態を観察した。5本の試験片を用いて、5本の試験片が全て割れた温度を耐寒温度とした。
社団法人自動車技術規格「JASO D611-94」に準拠して、ブレード往復法により試験を行った。すなわち、実施例、比較例の絶縁電線を750mmの長さに切り出して試験片とした。そして、23±5℃の室温下で試験片の被覆材(絶縁層)に対し軸方向に10mm以上の長さでブレードを毎分50回の速さで往復させ、導体に接するまでの往復回数を測定した。この際、ブレードにかかる荷重は7Nとした。回数については400回以上のものを合格(◎)、200回以上400回未満のものを合格(○)、200回未満のものを不合格(×)とした。
・FY6C:日本ポリプロ社製、官能基を有しないポリプロピレン樹脂、MFR2.4g/10min、弾性率2100MPa
・EA9BT:日本ポリプロ社製、官能基を有しないポリプロピレン樹脂、MFR0.5g/10min、弾性率2200MPa
・EC7:日本ポリプロ社製、官能基を有しないポリプロピレン樹脂、MFR0.5g/10min、弾性率1200MPa
・MA3H:日本ポリプロ社製、官能基を有しないポリプロピレン樹脂、MFR10g/10min、弾性率2000MPa
・CL0785:日本ポリプロ社製、官能基を有しないポリプロピレン樹脂、MFR30g/10min、弾性率2800MPa
・J106MG:プライムポリマー社製、官能基を有しないポリプロピレン樹脂、MFR15g/10min、弾性率2050MPa
・J108M:プライムポリマー社製、官能基を有しないポリプロピレン樹脂、MFR45g/10min、弾性率2000MPa
・MA3AHTA:日本ポリプロ社製、官能基を有しないポリプロピレン樹脂、MFR12g/10min、弾性率2400MPa
・ポリオレフィン系樹脂<1>:合成品、官能基を有しないポリプロピレン樹脂、MFR4.5g/10min、弾性率2200MPa
・AT2377:三井化学社製、酸無水物基を有するポリプロピレン樹脂、MFR20g/10min、弾性率2200MPa
・水酸化マグネシウム:協和化学工業社製、商品名「キスマ5A」
・酸化防止剤:チバスペシャリティケミカルズ社製、商品名「イルガノックス1010」
Claims (7)
- 金属水和物を主成分とする難燃剤とベース樹脂とを含有する難燃性樹脂組成物であって、
前記ベース樹脂は、弾性率2000MPa以上のポリオレフィン系樹脂2種以上からなり、このうち少なくとも1種のポリオレフィン系樹脂のメルトフローレイト(MFR)が5g/10min以下であることを特徴とする難燃性樹脂組成物。 - 前記ベース樹脂は、メルトフローレイト(MFR)が5g/10min超のポリオレフィン系樹脂を含有していることを特徴とする請求項1に記載の難燃性樹脂組成物。
- 前記メルトフローレイト(MFR)が5g/10min以下のポリオレフィン系樹脂と前記メルトフローレイト(MFR)が5g/10min超のポリオレフィン系樹脂とのメルトフローレイト(MFR)の差が5g/10min以上であることを特徴とする請求項2に記載の難燃性樹脂組成物。
- 前記ベース樹脂のポリオレフィン系樹脂のうち少なくとも1種のポリオレフィン系樹脂が官能基を有するポリプロピレン樹脂であることを特徴とする請求項1から3のいずれかに記載の難燃性樹脂組成物。
- 前記官能基は、カルボン酸基、酸無水物基、エポキシ基、ヒドロキシル基、アミノ基、アルケニル環状イミノエーテル基、および、シラン基から選択された1種または2種以上であることを特徴とする請求項4に記載の難燃性樹脂組成物。
- 前記官能基を有するポリプロピレン樹脂は、該官能基を有するポリプロピレン樹脂を除く成分100質量部に対し10~30質量部配合されていることを特徴とする請求項4または5に記載の難燃性樹脂組成物。
- 請求項1から6のいずれかに記載の難燃性樹脂組成物を用いた絶縁体が導体の周囲に形成されていることを特徴とする絶縁電線。
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| CN201080006420.0A CN102300920B (zh) | 2009-02-02 | 2010-01-20 | 阻燃性树脂组合物和绝缘电线 |
| DE112010000841.8T DE112010000841B8 (de) | 2009-02-02 | 2010-01-20 | Flammhemmende Harzzusammensetzung und deren Verwendung |
| US13/143,450 US20110266025A1 (en) | 2009-02-02 | 2010-01-20 | Flame-retardant resin composition, and insulated wire |
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| JP2009021763A JP5444740B2 (ja) | 2009-02-02 | 2009-02-02 | 難燃性樹脂組成物および絶縁電線 |
| JP2009-021763 | 2009-02-02 |
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| US (1) | US20110266025A1 (ja) |
| JP (1) | JP5444740B2 (ja) |
| CN (1) | CN102300920B (ja) |
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| WO (1) | WO2010087256A1 (ja) |
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| KR102127961B1 (ko) * | 2012-01-11 | 2020-06-30 | 주식회사 쿠라레 | 열가소성 중합체 조성물 및 성형품 |
| KR20260006176A (ko) * | 2024-07-04 | 2026-01-13 | 주식회사 엘지화학 | 열가소성 난연 수지 조성물 및 성형품 |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112010000841B4 (de) | 2015-03-26 |
| DE112010000841T5 (de) | 2012-09-06 |
| JP5444740B2 (ja) | 2014-03-19 |
| JP2010174226A (ja) | 2010-08-12 |
| CN102300920B (zh) | 2014-04-09 |
| CN102300920A (zh) | 2011-12-28 |
| DE112010000841B8 (de) | 2015-07-02 |
| US20110266025A1 (en) | 2011-11-03 |
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