WO2003056595A1 - Coupe-circuit fusible pour automobile - Google Patents
Coupe-circuit fusible pour automobile Download PDFInfo
- Publication number
- WO2003056595A1 WO2003056595A1 PCT/JP2002/013748 JP0213748W WO03056595A1 WO 2003056595 A1 WO2003056595 A1 WO 2003056595A1 JP 0213748 W JP0213748 W JP 0213748W WO 03056595 A1 WO03056595 A1 WO 03056595A1
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- WIPO (PCT)
- Prior art keywords
- polyamide resin
- resin composition
- polyamide
- automotive fuse
- fuse according
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
- H01H85/17—Casings characterised by the casing material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
- H01H85/0415—Miniature fuses cartridge type
- H01H85/0417—Miniature fuses cartridge type with parallel side contacts
Definitions
- the present invention relates to an automotive fuse having a housing part obtained by injection-molding a polyamide resin composition, and more particularly to a fuse having excellent transparency, arc resistance, and heat resistance, particularly used in a high-temperature environment in an automobile engine room.
- the present invention relates to an automotive fuse that does not decrease in transparency even if it is used. Background art
- Fuses are installed in the circuits of various electrical components of automobiles to prevent overcurrent.
- the number of fuses installed is increasing with the increase in electrical components.
- a material having excellent visibility (transparency) of the internal element and heat resistance has been used, and polyether sulfone has been favorably used as the material.
- crystalline polyamides such as nylon 6 and nylon 66 have excellent arc resistance, but are inferior to conventional materials in heat resistance and transparency.
- a technique of blending a fibrous reinforcing material such as glass fiber and a mineral reinforcing material such as calcium carbonate and talc is known.
- the light is diffusely reflected by the reinforcing material dispersed in the polyamide resin.
- An object of the present invention is to provide an automotive fuse having both heat resistance that can be used even in a high-temperature atmosphere such as in an automobile engine room, transparency that allows the inside of a molded product to be visually recognized, and arc resistance. It is in.
- the automotive fuse of the present invention which achieves the above object, has a housing portion formed by spray-molding a polyamide resin composition, and the polyamide resin composition forming the housing portion is measured by a differential scanning calorimeter.
- the crystal has a heat of fusion of 40 J / g or more, and the spherulite size observed by a polarizing optical microscope is 0.5 m or less in average diameter.
- the housing part By forming the housing part from a polyamide resin composition having a specific crystallinity and spherulite size, heat resistance, transparency, and arc resistance are simultaneously improved, and especially for automobiles. Even if used for a long time in a high-temperature environment in the engine room, the transparency can be prevented from being reduced.
- the above-mentioned configuration of the automotive fuse further has the following configuration.
- the total light transmittance of the molded body made of the polyimide resin composition forming the housing obtained by injection molding at a mold temperature of 70 ° C is obtained by injection molding at a mold temperature of 40 ° C. Must be at least 80% of the total light transmittance of the molded product obtained.
- the polyamide resin composition forming the housing part comprises the polyamide resin (a) and the swellable layered silicate (b).
- the polyamide resin (a) is at least one selected from the group consisting of nylon 6, nylon 66, and a copolymer or a mixture of both.
- the polyamide resin (a) is particularly nylon 6.
- the swelled layered silicate (b) is montmorillonite.
- the swellable layered silicate (b) is dispersed in the polyamide resin composition at a single layer level.
- the polyamide resin composition further contains a crystal nucleating agent (e).
- the swellable layered silicate (b) is introduced into the polyamide resin composition by a melt-kneading method.
- FIG. 1 is a perspective view showing an example of an automotive fuse according to the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- the fuse for an automobile of the present invention is not particularly limited in size and shape as long as the fuse is used in the middle of an automobile electrical component circuit. It must be injection molded from a polyimide resin composition having a specific heat of crystal fusion and a specific spherulite size as described in (1).
- the automotive fuse 1 illustrated in the figure has the above specific heat of crystal fusion and a specific spherulite size. It has a housing part 2 injection-molded from a polyamide resin composition having a hole, and a pair of terminals 3 and 4 are inserted into the housing part 2.
- the housing 2 is made of a polyamide resin composition having a specific heat of crystal fusion and a specific spherulite size, so that it can be used for a long time even in a high-temperature atmosphere such as in an automobile engine room. It has excellent heat resistance, transparency to make the inside of the molded product visible, and arc resistance.
- the polyamide resin composition constituting the housing part preferably has a heat of crystal fusion of at least 40 J / g, measured at a heating rate of 10 ° C./min by a differential scanning calorimeter (DSC).
- DSC differential scanning calorimeter
- the upper limit of the heat of crystal fusion is not particularly limited, but is usually preferably 70 J / g or less.
- the heat of crystal fusion of the polyamide resin composition is determined by the value measured by DSC after vacuum drying at 80 ° C for 10 hours or more when the housing part is absorbing water. I do.
- the polyamide resin composition forming the housing portion must have a spherulite size of 0.5 ⁇ m or less in average diameter, preferably 0.3 m or less.
- the spherulite diameter exceeds 0.5 m, the transparency is reduced due to irregular reflection of light by the spherulite.
- the lower limit of the spherulite diameter is not particularly limited, it is usually preferable to limit the diameter to about 0.01 m.
- the spherulite size refers to an ultrathin section cut out from a housing made of a polyamide resin composition, and the section is observed with a polarizing microscope or a transmission electron microscope to take a photograph of the spherulite. This is the value obtained by calculating the number average of the spherulite diameter using an analyzer.
- the rate of change of the heat of crystal fusion is preferably less than 15%.
- the polyamide resin composition used in the automotive fuse of the present invention is not particularly limited as long as it has the specific heat of crystal fusion and spherulite size as described above. However, more specifically, it is preferably a polyamide resin composition comprising a polyamide amide (a) and a swellable layered silicate (b).
- the polyamide resin ( a ) used in the present invention refers to a polymer having an amide bond, which is mainly used as an amino acid, lactam or diamine and carboxylic acid.
- the polyamide resin (a) there is no particular limitation on the polyamide resin (a), and any amino acid, lactam, or polyamide using diamine and dicarboxylic acid as raw materials can be used.
- the crystalline polyamide (c) refers to a crystalline polyamide having a heat of crystal fusion measured at a heating rate of 10 t / min by a differential scanning calorimeter (DSC) of 30 J / g or more.
- the polyamide resin is not particularly limited as long as it has the above crystal characteristics.
- raw materials include amino acids such as 6-aminocaproic acid, 11-aminoundecanoic acid, 12-aminododecanoic acid, and paraaminomethylbenzoic acid, lactams such as ⁇ -force prolactam, ⁇ _laurolactam, Methylenediamine, hexamylenediamine, 2-methylpentamethylenediamine, nddecamethylenediamine, dodecamethylenediamine, (2,2,4- or 2,4,4-) trimethylhexamethylenediamine 1,5-bis (aminomethyl) cyclohexane, 1,4-bis (aminomethyl) cyclohexane, 1,4-bis (aminomethyl) cyclohexane, 1,4-bis (aminomethyl) cyclohexane —Amino _ 3—Aminomethyl-1,3,5,5-trimethylcyclohexane, bis (4-aminocyclohexyl) methane
- a polyamide homopolymer or a homopolymer derived from these raw materials is used.
- the copolymers can be used alone or in the form of a mixture.
- a particularly preferred crystalline polyamide resin is a polyamide resin having a melting point of 10 ° C. or higher.
- a polyamide resin having a melting point of 10 ° C. or higher By using such a polyamide, a molded article having excellent heat resistance and strength can be obtained.
- specific polyamide resins include polyacrylamide (nylon 6), polyhexamethylene adipamide (nylon 66), and polyacrylamide / polyhexamethylene adipamide copolymer (nylon 6/6).
- polytetramethylene adipamide (nylon 46), polyhexamethylene sebacamide (nylon 610), polyhexamethylene dodecamide (nylon 612), polyhexamethylene terephthalamide And polyhexamethylene adipamide / polyhexamethylene terephthalamide copolymer (nylon 66 / 6T), and their mixtures and copolymers. .
- particularly preferred polyamide resins include nylon 6, nylon 66, and nylon 6/66 copolymer.
- Polymerization degree of crystallinity made of Polyamide is as long as the normal molding processing Hodokoseru is not particularly restricted, 9 8% concentrated sulfuric acid solution of polyamide-de resin 1 weight 0/0, measured at 2 5 ° C
- the relative viscosity is preferably in the range of 2.0 to 4.0.
- the polyamide resin (a) it is preferable to use a mixture of a crystalline polyamide (c) and a low crystalline or amorphous polyamide (d).
- the low crystalline or amorphous polyamide (d) is defined as the melting point (Tm) measured by differential scanning calorimetry (DSC) at a heating and cooling rate of 10 ° C / min, and the crystallization during cooling.
- Tm melting point
- DSC differential scanning calorimetry
- the type of the low-crystalline or amorphous polyamide is not particularly limited, and any amino acid, lactam, or a polyamide starting from diamine and dicarboxylic acid can be used.
- Typical examples of such raw materials include amino acids such as 6-aminocaproic acid, 11-aminoundecanoic acid, 12-aminododenic acid, and paraaminomethylbenzoic acid.
- lactams such as prolactam, ⁇ -laurolactam, tetramethylenediamine, hexamylenediamine, 2-methylpentamethylenediamine, pendecamethylenediamine, dodecamethylenediamine, 2,2 , 4-/ 2, 4, 4-Tolylenediamine, c-raxylylenediamine, 1,3-bis (aminomethyl) cyclohexane, 1,4-bis (aminomethyl) cyclohexane, 1-amino 3-aminomethyl-1,3,5,5-trimethylcyclohexane, bis (4-aminocyclohexyl) methane, bis (3_methyl-1-aminocyclohexyl) methane, 2,2-bis (4-1 Aminocyclohexyl) F.
- lactams such as prolactam, ⁇ -laurolactam, tetramethylenediamine, hexamylenediamine, 2-methylpentamethylened
- fragrances such as terephthalic acid, isophthalic acid, meta-xylylenediamine, para-xylylenediamine, bis (4-aminocyclohexyl) methane, bis (3-methyl-4-aminocyclohexyl) methanone
- a polyimide containing a compound having a ring or alicyclic structure as a raw material component is preferable.
- particularly useful low crystalline or amorphous polyamides are those having aromatic or alicyclic structural units in the main chain, and specific examples thereof include polymethaxylylene adipamide.
- nylon MXD6 polyhexamethylene adipamide / polyhexamethylene isophthalamide copolymer
- nylon 66/61 polyacrylamide / polyhexamethylene isophthalamide copolymer / 61
- polyhexamethylene terephthalamide / polyhexamethylene isophthalamide copolymer (nylon 6 6 / 6I)
- polyhexamethylene adipamide / polyhexamethylene terephthalamide / polyhexamethylene Isofuramide copolymer (nylon 66 / 6 ⁇ / 6I)
- Soft amide / polyamide copolymer polyhexamethylene terephthalamide / polyhexamethylene
- nylon 66 / 6I and nylon 66/61/6 are particularly preferable.
- the low crystalline or amorphous polyamide (b) used in the present invention preferably contains 3 to 30% by weight, more preferably 10 to 20% by weight, of a hexamethylene disophthalamide unit.
- the polyamide used in the present invention is composed of a mixture of two or more kinds of polyamides
- a mixture of two or more kinds of hexamethylene isophthalamide units may be used.
- More preferred correct made of Polyamide is to be copolymerized made of Polyamide containing hexamethylene isophthalamide Ami de units 3-30 wt% Toeki Sa methylene azide Pami de units 70 to 97 weight 0/0, and et preferred made of Polyamide is a copolymer made of polyamide consisting of hexamethylene azide Pami de units 60 to 96 weight 0/0 and power Puroami de unit 1 to 1 0 weight 0/0 hexamethylene isophthalamide Ami de units 3 to 30 wt% to .
- the degree of polymerization of these low-crystalline or non-crystalline polyamides is not particularly limited as long as ordinary molding processing can be performed. However, in a 98% concentrated sulfuric acid solution containing 1% by weight of a polyamide resin, 25 ° C.
- the relative viscosity measured in C is preferably in the range of 0.0 to 4.0.
- the mixing ratio of the crystalline polyamide (c) and the low-crystalline or non-crystalline polyamide (d) is such that the total polyamide resin component is 100% by weight.
- the swellable phyllosilicate used as the component (b) refers to a octahedral sheet containing a metal such as aluminum, magnesium, lithium and the like. It has a 2: 1 type structure in which body sheets overlap to form one plate-like crystal layer, and usually has exchangeable cations between the layers of the plate-like crystal layer.
- the size of the single plate crystal is usually 0.05 to 0.5 m in width and 6 to 15 ⁇ in thickness.
- the cation exchange capacity of the exchangeable cation is 0.2 to 3 meq / g, and the cation exchange capacity is preferably 0.8 to 1 m / g.
- the layered silicate include smectite-based clay minerals such as montmorillonite, paiderite, nontronite, savonite, hectorite, sodium nitrite, etc., nomiculite, halloysite, kanemite, kenyait, zirconium formate, and phosphoric acid.
- Swelling mica such as various clay minerals such as titanium, Li-type fluorine teniolite, Na-type fluorine teniolite, Na-type tetrasilicon fluoromica, and Li-type tetrasilicon fluoromica, etc. Or it may be a synthesized one.
- smectite clay minerals such as montmorillonite and hectrite
- swellable mica such as Na-type tetrasilicon fluorine mica and Li-type fluorine teniolite are preferred, and montmorillonite is particularly preferred.
- a layered silicate in which exchangeable cations existing between layers have been exchanged with organic anion ions.
- organic ion examples include an ammonium ion, a phosphonium ion, and a sulfonium ion. Of these, ammonium ions and phosphonium ions are preferred, and ammonium ions are particularly preferred.
- the ammonium ion may be any of a primary ammonium, a secondary ammonium, a tertiary ammonium, and a quaternary ammonium.
- Examples of primary ammonium ions include decyl ammonium, dodecyl ammonium, octadecyl ammonium, oleyl ammonium, and benzyl ammonium.
- Secondary ammonium ions include methyl dodecyl ammonium, methyl decyl ammonium and the like.
- tertiary ammonium ion examples include dimethyl dodecyl ammonium, dimethyl octadecyl ammonium and the like.
- quaternary ammonium ions include benzyltrimethylammonium, benzyltriethylammonium, benzyltributylammonium, benzyldimethylmethyldecylammonium, and benzyltrialkyl such as benzyldimethyloctadecylammonium.
- Alkyl trimethyl ammonium ions such as ammonium ion, trimethyl octyl ammonium, trimethyl dodecyl ammonium, trimethyl octyl ammonium, dimethyl diocty ammonium, dimethyl didodecyl ammonium, dimethyl
- Examples include dimethyldialkylammonium ions such as dioctadecylammonium, trialkylmethylammonium ions such as trioctylmethylammonium and tridecylmethylammonium. That.
- aniline p-phenylenediamine, ⁇ -naphthylamine, ⁇ -aminodimethyldiamine, benzidine, pyridine, piperidine, 6-aminocaproic acid, 11-aminoundecanoic acid, 1
- ammonium ions derived from 2-aminododenic acid and the like.
- ammonium ions preferred are quaternary ammonium ions, such as those derived from trioctylmethylammonium, trimethyloxydecylammonium, benzyldimethyloctadecylammonium, and 12-aminododenic acid. And particularly preferred are trioctylmethylammonium and benzyldimethyloctadecylammonium.
- the layered silicate in which the exchangeable cations present between the layers have been exchanged with organic cations is obtained by reacting the layered silicate having an exchangeable cation between the layers with the organic cations by a known method. Can be manufactured.
- the amount of organic diatom ions with respect to the layered silicate is determined by considering the dispersibility of the layered silicate, thermal stability during melting, gas during molding, suppression of generation of odor, and the like.
- the exchange capacity may be generally in the range of 0.4 to 2.0 equivalents, but is particularly preferably 0.8 to 1.2 equivalents.
- Examples of such coupling agents include isocyanate compounds, organic silane compounds, organic titanate compounds, organic borane compounds, epoxy compounds, and the like.
- Particularly preferred coupling agents are organic silane compounds.
- organic silane compounds include alkoxysilane compounds containing an epoxy group such as ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -glycidoxypropyltriethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane.
- Alkoxysilane compounds containing mercapto groups such as a-mercaptopropyltrimethoxysilane, a-mercaptopropyltriethoxysilane, perylenepropyltriethoxysilane, aureidopropyltrimethoxysilane, a- (2-tetraethyl) amino Alkidosilane compounds containing ureide groups such as propyl trimethoxysilane, isocyanatopropyl triethoxysilane, isocyanatopropyl pyrithrimethoxysilane, and isocyanatopropylmethyldiethyl Isocyanato group-containing alkoxysilane compounds such as toxic silane, r-isocyanatopropylmethyl ethoxysilane, cis-isocyanatopropylethyldimethoxysilane, anisocyanatopropylethyl ethoxysilane and
- the treatment of the phyllosilicate with these coupling agents is performed by converting the phyllosilicate into a phyllosilicate in a polar solvent such as water, methanol, or ethanol, or a mixed solvent thereof.
- Adsorption method a method in which a coupling agent solution is added dropwise while stirring the layered silicate in a high-speed stirring mixer such as a Hensile mixer, or a method in which a silane coupling agent is directly added to the layered silicate. Any method of mixing and adsorbing in a mortar or the like may be used.
- the layered silicate When the layered silicate is treated with a force coupling agent, it is preferable to simultaneously mix water, acidic water, alkaline water and the like in order to promote the hydrolysis of the alkoxy group of the force coupling agent.
- an organic solvent that dissolves both water and the coupling agent such as methanol and ethanol may be used in addition to water.
- the composition of the present invention is produced by melt-kneading a layered silicate and a polyamide resin
- the layered silicate and the polyamide resin are melt-kneaded without previously treating the layered silicate with a coupling agent.
- a so-called integral blend method of adding these coupling agents may be used.
- the content of the swellable layered silicate (b) is 0 as the inorganic ash content of made of Polyamide resins compositions of the present invention. 1-2 0 weight 0/0, preferably from 0.5 to 1
- the content is preferably 5% by weight, particularly preferably 1 to 10% by weight. If the ash content is too small, the heat resistance and the transparency of the molded article will decrease, and if the ash content is too large, the toughness may decrease.
- the inorganic ash content is a value obtained by incineration of 2 g of the polyamide resin composition in a 600 ° C. electric furnace for 3 hours.
- the layered silicate is uniformly dispersed at a single layer level in the polyamide resin as a matrix.
- the state in which the layered silicate is uniformly dispersed at the level of a single layer means that the layered silicate is dispersed in the entire matrix resin without secondary aggregation in a state of a single layer to about 10 layers. This state can be confirmed by cutting a section from the polyamide resin composition and observing the section with an electron microscope.
- the polyamide resin composition used in the present invention contains a nucleating agent for the purpose of adjusting the crystallinity.
- the crystal nucleating agent is not particularly limited, and specific examples thereof include inorganic fine particles such as talc, silica, and graphite; metal oxides such as magnesium oxide and aluminum oxide; 1. High melting point poly 7 amides such as nylon 6T and nylon 66 / 6T.
- the preferable addition amount is 0.01 to 10 parts by weight, preferably 0.03 to 5 parts by weight, based on 100 parts by weight of the polyamide resin composition. More preferably, the amount is 0.05 to 3 parts by weight.
- the polyamide resin composition used in the present invention contains other components such as antioxidants and heat stabilizers (hindered funols, hydroquinones, phosphites and the like) as long as the effects of the present invention are not impaired.
- Substituted compounds include phosphorus compounds, weathering agents (resorcinol, salicylate, benzotriazole, benzophenone, hindered amine, etc.), mold release agents and lubricants (mon Tannic acid and its metal salts, its esters, its half esters, stearyl alcohol, stearamide, various bisamides, bisurea and polyethylene wax, etc., pigments (cadmium sulfide, phthalocyanine, carbon black, metallic pigments, etc.) Dyes ( Nig mouth, etc.), plasticizer (octyl p-oxybenzoate, N- Non-ionic charging such as thiol benzene sulfonamide, antistatic agent (alkyl sulfate type antistatic agent
- the method for obtaining the polyamide resin composition used in the present invention is not particularly limited.
- a layered silicate may be present during polymerization of the polyamide to obtain the layered silicate.
- a method of melting and kneading the polyamide resin and the layered silicate is preferable.
- the method of melt-kneading the polyamide resin and the layered silicate at this time is not particularly limited, as long as mechanical shearing can be performed in a molten state of the polyamide resin.
- the treatment method may be either a batch method or a continuous method, but a continuous method capable of continuous production is preferred in terms of work efficiency.
- the specific kneading apparatus is not particularly limited, but an extruder, particularly a twin-screw extruder, is preferred in terms of productivity. It is also preferable to provide a vent for the purpose of removing water generated during melt-kneading and low-molecular-weight volatile components.
- a twin-screw extruder When a twin-screw extruder is used, the polyamide resin (a) and the layered silicate (b) are mixed in advance with a blender or the like, and the mixture is supplied from the feed port of the extruder.
- the fat (a) is supplied from the upstream feed port of the extruder, and the layered silicate (b) and the nucleating agent (e) are supplied from the downstream feed port.
- the screw arrangement of the extruder is not particularly limited, but a kneading zone may be provided in order to disperse the layered silicate at a single layer level.
- a method of melt-kneading a part of the polyamide shelf (a) and the layered silicate (b) to produce a master batch and then melt-kneading with the rest of the polyamide resin is another method for dispersing the layered acid. Preferred.
- the polyamide resin composition used in the present invention is used for molding a housing portion for a fuse by injection molding.
- the obtained molded article has excellent transparency and heat resistance.
- the molded article of the polyamide resin composition of the present invention can be post-processed by cutting or various welding.
- the automotive fuse of the present invention has a heat resistance, a transparency, and an arc resistance by forming the housing part from a polyamide lumber composition having a specific crystallinity and a spherulite size. It is also excellent in transparency, and it is possible to prevent the transparency from deteriorating even when used for a long time in a high temperature environment in an engine room for automobiles.
- a part was sampled from a thin transparent part of the fuse housing part which was injection-molded at a mold temperature of 40 ° C., and was measured using a differential scanning calorimeter (DSC) manufactured by Seiko I-Digital Corporation. After heat treatment of the molded piece at 13 ° C. for 30 minutes, the heat of crystal fusion was measured in the same manner.
- DSC differential scanning calorimeter
- a square plate of 8 Omm x 8 Omm x 1 mm thickness was injection molded at a mold temperature of 40 ° C and 70 ° C, respectively. It measured using. Further, after the square plate obtained by molding at a mold temperature of 40 ° C. was heat-treated at 130 ° C. for 30 minutes, the total light transmittance was measured in the same manner.
- the measurement was performed at a load of 0.46 MPa according to ASTM D648.
- the visual evaluation criteria were as follows.
- Clay is uniformly dispersed in about one to several layers.
- Clay is uniformly dispersed in about a single layer to about 10 layers.
- Clay is dispersed in a single layer to about 10 layers, but aggregates of 10 layers or more are also present.
- X Clay exists as aggregates of 10 layers or more.
- a polyamide resin composition was obtained in the same manner as in Example 1 except that 0.1 part by weight of talc (e: LMS-300 manufactured by Fuji Talc) was added as a crystal nucleating agent.
- talc e: LMS-300 manufactured by Fuji Talc
- Table 1 shows the results of these evaluations.
- a polyamide resin composition was obtained in the same manner as in Example 3 except that 0.1 part by weight of talc (e: LMS-300 manufactured by Fuji Talc) was added as a crystal nucleating agent. And ASTM specimens were injection molded. Table 1 shows the results of these properties.
- a polyamide resin composition was obtained in the same manner as in Example 5 except that 0.1 part by weight of talc (e: LMS-300 manufactured by Fuji Talc) was added as a crystal nucleating agent. Injection molding was performed on the use housing part and the ASTM test piece. Table 1 shows the results of these characteristic evaluations.
- talc e: LMS-300 manufactured by Fuji Talc
- a polyamide resin composition was obtained in the same manner as in Example 1 except that each raw material was used in the mixing ratio shown in Table 1, and this was subjected to injection molding of a fuse housing portion and an ATSM test piece. Table 1 shows the results of these characteristic evaluations.
- a polyamide resin composition was obtained in the same manner as in Example 1 except that the swellable phyllosilicate (b) was not blended, and the fuse housing portion and an ASTM test piece were injection molded. Table 2 shows the results of these characteristic evaluations.
- a polyamide resin composition was obtained in the same manner as in Example 1 except that the same raw materials as those used in the example were used in the mixing ratios shown in Table 2, and this was subjected to injection molding of a fuse housing portion and an ASTM test piece. Table 2 shows the results of these characteristic evaluations.
- a polyamide resin composition was obtained in the same manner as in Example 8, except that the swellable layered silicate (b) was not blended, and this was injection molded into a fuse housing portion and an ASTM test piece. Table 2 shows the results of these characteristic evaluations.
- Industrial applicability INDUSTRIAL APPLICABILITY The automotive fuse of the present invention can be used for various electrical components of automobiles in the automobile industry. In particular, it can be effectively used for electrical components that are in a high-temperature atmosphere such as in an engine room.
- Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 Comparative Example 7 parts by weight 100 100 90 80 20 20 Polyamide (c-1) parts by weight 100
- Polyamide (d-1) parts by weight 10 20 80 80
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- Manufacture Of Macromolecular Shaped Articles (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Fuses (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02793436A EP1467395B1 (en) | 2001-12-27 | 2002-12-27 | Fuse for automobile |
CA002471823A CA2471823A1 (en) | 2001-12-27 | 2002-12-27 | Fuse for automobile |
US10/500,115 US20050059767A1 (en) | 2001-12-27 | 2002-12-27 | Fuse for automobile |
DE60226776T DE60226776D1 (de) | 2001-12-27 | 2002-12-27 | Sicherung für ein kraftfahrzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001/397338 | 2001-12-27 | ||
JP2001397338A JP2003197085A (ja) | 2001-12-27 | 2001-12-27 | 自動車用フューズ |
Publications (1)
Publication Number | Publication Date |
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WO2003056595A1 true WO2003056595A1 (fr) | 2003-07-10 |
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ID=19189176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/013748 WO2003056595A1 (fr) | 2001-12-27 | 2002-12-27 | Coupe-circuit fusible pour automobile |
Country Status (6)
Country | Link |
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US (1) | US20050059767A1 (ja) |
EP (1) | EP1467395B1 (ja) |
JP (1) | JP2003197085A (ja) |
CA (1) | CA2471823A1 (ja) |
DE (1) | DE60226776D1 (ja) |
WO (1) | WO2003056595A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102004029011A1 (de) * | 2004-06-16 | 2006-01-12 | Ems-Chemie Ag | Polymermischung aus aliphatischen Polyamiden und teilaromatischen Polyamiden und deren Verwendung |
US9911566B2 (en) * | 2013-10-18 | 2018-03-06 | Littelfuse, Inc. | Foam fuse filler and cartridge fuse |
JP2015159035A (ja) * | 2014-02-24 | 2015-09-03 | 旭化成ケミカルズ株式会社 | ヒューズハウジング |
JP5935956B1 (ja) * | 2015-02-27 | 2016-06-15 | 東レ株式会社 | 高圧水素に触れる成形品用のポリアミド樹脂組成物およびそれを用いた成形品 |
US9850380B2 (en) | 2015-02-27 | 2017-12-26 | Toray Industries, Inc. | Polyamide resin composition for molded article exposed to high-pressure hydrogen and molded article made of the same |
JP2023134061A (ja) * | 2022-03-14 | 2023-09-27 | ニデックコンポーネンツ株式会社 | 電子部品とその製造方法 |
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JPS62287542A (ja) * | 1986-06-03 | 1987-12-14 | リトルヒユ−ズ・インコ−ポレ−テツド | 電気ヒユ−ズ |
JPS6411157A (en) * | 1987-07-03 | 1989-01-13 | Toyota Central Res & Dev | Polyamide composite material |
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JP2000212432A (ja) * | 1999-01-28 | 2000-08-02 | Toray Ind Inc | ポリアミド樹脂組成物およびその製造方法 |
JP2001302845A (ja) * | 2000-04-20 | 2001-10-31 | Toray Ind Inc | ポリアミド樹脂組成物 |
WO2002085984A1 (fr) * | 2001-04-19 | 2002-10-31 | Unitika Ltd. | Composition a base de resine de polyamide pour dispositif a fusible |
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JP4104817B2 (ja) * | 2000-11-22 | 2008-06-18 | 太平洋精工株式会社 | ブレード形ヒューズ |
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2001
- 2001-12-27 JP JP2001397338A patent/JP2003197085A/ja active Pending
-
2002
- 2002-12-27 EP EP02793436A patent/EP1467395B1/en not_active Expired - Fee Related
- 2002-12-27 DE DE60226776T patent/DE60226776D1/de not_active Expired - Lifetime
- 2002-12-27 WO PCT/JP2002/013748 patent/WO2003056595A1/ja active IP Right Grant
- 2002-12-27 CA CA002471823A patent/CA2471823A1/en not_active Abandoned
- 2002-12-27 US US10/500,115 patent/US20050059767A1/en not_active Abandoned
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JPS62287542A (ja) * | 1986-06-03 | 1987-12-14 | リトルヒユ−ズ・インコ−ポレ−テツド | 電気ヒユ−ズ |
JPS6411157A (en) * | 1987-07-03 | 1989-01-13 | Toyota Central Res & Dev | Polyamide composite material |
JPH10298426A (ja) * | 1997-04-24 | 1998-11-10 | Asahi Chem Ind Co Ltd | ポリアミド樹脂複合材料の製造方法 |
JP2000212432A (ja) * | 1999-01-28 | 2000-08-02 | Toray Ind Inc | ポリアミド樹脂組成物およびその製造方法 |
JP2001302845A (ja) * | 2000-04-20 | 2001-10-31 | Toray Ind Inc | ポリアミド樹脂組成物 |
WO2002085984A1 (fr) * | 2001-04-19 | 2002-10-31 | Unitika Ltd. | Composition a base de resine de polyamide pour dispositif a fusible |
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Title |
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Also Published As
Publication number | Publication date |
---|---|
EP1467395A4 (en) | 2005-03-30 |
EP1467395B1 (en) | 2008-05-21 |
DE60226776D1 (de) | 2008-07-03 |
US20050059767A1 (en) | 2005-03-17 |
CA2471823A1 (en) | 2003-07-10 |
JP2003197085A (ja) | 2003-07-11 |
EP1467395A1 (en) | 2004-10-13 |
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