WO2003052777A1 - Composition organique ctn, element organique ctn et procede de fabrication associe - Google Patents
Composition organique ctn, element organique ctn et procede de fabrication associe Download PDFInfo
- Publication number
- WO2003052777A1 WO2003052777A1 PCT/JP2002/013089 JP0213089W WO03052777A1 WO 2003052777 A1 WO2003052777 A1 WO 2003052777A1 JP 0213089 W JP0213089 W JP 0213089W WO 03052777 A1 WO03052777 A1 WO 03052777A1
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- WIPO (PCT)
- Prior art keywords
- organic
- ntc
- composition
- organic ntc
- solvent
- Prior art date
Links
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- 229910052751 metal Inorganic materials 0.000 claims description 23
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- QENGPZGAWFQWCZ-UHFFFAOYSA-N 3-Methylthiophene Chemical compound CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 description 2
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- MUNOBADFTHUUFG-UHFFFAOYSA-N 3-phenylaniline Chemical compound NC1=CC=CC(C=2C=CC=CC=2)=C1 MUNOBADFTHUUFG-UHFFFAOYSA-N 0.000 description 2
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- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 229910052700 potassium Inorganic materials 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- PCCVSPMFGIFTHU-UHFFFAOYSA-N tetracyanoquinodimethane Chemical compound N#CC(C#N)=C1C=CC(=C(C#N)C#N)C=C1 PCCVSPMFGIFTHU-UHFFFAOYSA-N 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 229910021381 transition metal chloride Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- GPSFYJDZKSRMKZ-UHFFFAOYSA-N 3,4-dimethylthiophene Chemical compound CC1=CSC=C1C GPSFYJDZKSRMKZ-UHFFFAOYSA-N 0.000 description 1
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- 241001479434 Agfa Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 244000126211 Hericium coralloides Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004774 atomic orbital Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- YRNNKGFMTBWUGL-UHFFFAOYSA-L copper(ii) perchlorate Chemical compound [Cu+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O YRNNKGFMTBWUGL-UHFFFAOYSA-L 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
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- 125000000524 functional group Chemical group 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- LHOWRPZTCLUDOI-UHFFFAOYSA-K iron(3+);triperchlorate Chemical compound [Fe+3].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O LHOWRPZTCLUDOI-UHFFFAOYSA-K 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002850 poly(3-methoxythiophene) polymer Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000323 polyazulene Polymers 0.000 description 1
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- 229920002098 polyfluorene Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
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- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
- H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
- H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
- H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
- H01C7/049—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of organic or organo-metal substances
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/1266—O, S, or organic compound in metal component
Definitions
- the present invention relates to an organic NTC composition, an organic NTC device, and a method for producing the same. More specifically, the present invention relates to temperature detection of a battery such as a mobile phone, a mobile communication device, and a personal computer. The present invention relates to an organic NTC element used for a liquid crystal display, a liquid crystal display, and the like, and a method of manufacturing the same. Background art
- NTC devices are used for temperature detection of batteries such as mobile phones, mobile communication devices, and personal computers.
- ICs for electronic devices, transistors, crystal oscillators, and liquid crystal displays.
- the NTC element has a negative temperature coefficient, in which the resistance decreases as the temperature rises.It is a reversibly changing element, so temperature compensation or switching that corrects electrical characteristics affected by temperature, etc. It is used for the purpose of suppressing surge current at the time of turning on a power supply.
- NTC element compositions produce heat-sensitive composite oxide powder consisting of expensive rare-earth transition elements such as yttrium and lanthanum and cobalt, and then add an organic binder and other ceramic materials. In addition, they are mixed again, formed into a desired shape, and baked at a high temperature of about 1400 ° C for about 2 hours.
- An NTC element composition composed of semiconductor ceramics is coated with an electrode paste mainly composed of silver and baked, and a glass paste is applied and baked on the main part to obtain an NTC element.
- the NTC element uses an expensive rare earth transition element and is fired at a high temperature, so that the cost is high and high productivity cannot be obtained.
- the present invention has been made in view of the above-mentioned problems of the prior art, and has been made to solve the problem.
- An organic NTC element composition that can be manufactured at a low temperature without using expensive materials is provided.
- An object of the present invention is to provide an organic NTC element which has high productivity and high processing flexibility using the same and which can be easily incorporated into a circuit, and a method for manufacturing the same. Disclosure of the invention
- a conjugated organic semiconductor polymer in particular, polyaniline, polythiophene or polypyrrole, or a derivative polymer thereof, is made of a thermoplastic resin or a thermosetting resin. It has been found that a mixture of a predetermined amount has a sufficient NTC function like a ceramic NTC element using a rare earth transition element, and has extremely high productivity and a high degree of freedom in processing. It is a thing.
- the organic NTC composition the organic NTC device, and the method for producing the same according to the present invention
- An organic NTC composition comprising a mixture of a conjugated organic semiconductor polymer and a thermoplastic resin or a thermosetting resin.
- thermoplastic resin or the thermosetting resin is at most twice the amount of the conjugated organic semiconductor polymer.
- organic NTC composition according to (1) wherein the conjugated organic semiconductor polymer is selected from polyaniline, polythiophene, polypyrrole, and derivatives thereof.
- An organic NTC device comprising the organic NTC device composition according to any one of (1) to (4) provided between a pair of electrodes.
- the above-mentioned shared organic semiconductor polymer and a thermoplastic resin or an uncured thermosetting resin are dissolved in a solvent, After obtaining the organic NTC element composition solution, the organic NTC element composition solution is applied to one metal foil surface serving as the electrode and dried, and the solvent is removed to remove organic NTC.
- a method for manufacturing an organic NTC device comprising: forming a C element composition layer; and bonding another metal foil serving as the electrode to the organic NTC device composition layer.
- FIG. 2 is a view showing a comb-tooth electrode formed on a substrate surface used in the organic NTC device according to the present invention. It is a top view which shows a pole.
- the organic NTC element composition according to the present invention is obtained by mixing a conjugated organic semiconductor polymer with a thermoplastic resin or a thermosetting resin.
- the mixing amount of the thermoplastic resin or the thermosetting resin is preferably not more than twice the amount of the conjugated organic semiconductor polymer as described later.
- the conjugated organic semiconductor polymer is particularly preferably selected from solvent-soluble polyaniline, polythiophene, or polypyrrolyl or a derivative thereof.
- conjugated organic semiconductor polymer in the organic NT C composition conjugated organic polymer resistivity in the semiconductor region in the range of 1 X 1 0- 3 to 1 X 1 0 7 ⁇ ⁇ cm
- conjugated organic semiconductor polymer include polyacetylene, polyparaphenylene, polypyrrole, polythiophene, polyaniline, polyphenylenevinylene, polyselenophene, polyazulene, polypyrene, polycarbazolyl, polypyridazine, and bolinaphthylene. And polyfluorene.
- composition can be easily mixed with a thermoplastic resin or a thermosetting resin described below, and a more stable composition can be obtained than when the composition is formed from a dispersed slurry state.
- a substituent such as an alkyl group or an alkoxyl group.
- polypyrrole polypyrrole
- polythiophene polythiophene
- polyaniline derivatives having sufficient solvent solubility and high stability in temperature and humidity are preferable.
- Derivatives into which such substituents are introduced have a greater electronic effect on the redundant electrons than the original conjugated organic semiconductor polymer, have a higher specific resistance, and have an adjacent conjugated main chain due to their molecular structure. Since the distance between them is appropriately large, an appropriate semiconductor region is easily obtained, and the NTC function tends to be sufficiently exhibited.
- Conjugated organic semiconductor polymers are composed of monomers, which are structural units, such as transition metal chlorides such as ferric chloride, cupric chloride, and stannic chloride, hydrogen peroxide, ozone, and benzoic peroxide.
- Peroxides such as zole, metal oxides such as silver oxide, inorganic acids such as permanganic acid, chromic acid, hypochlorous acid and salts thereof, ferric perchlorate, cupric perchlorate, etc.
- Perchlorates, ammonium persulfide, sodium persulfide, and persulfides such as potassium persulfide can be used as an oxidation polymerization catalyst.
- the above-mentioned conjugated organic semiconductor polymer has a low resistance by doping a small amount of an acceptor-based or donor-based dopant (such as a conductive polymer) in order to adjust the resistance or to adjust the thermistor constant as described later. (An impurity which changes the fixed electrical properties) which can be effectively reduced.
- Iodine as Akuseputa halogen such as bromine, PF 5, AsF 5, BF Lewis acid such as 3, HF, an organic acid such as a protonic acid and p-toluenesulfonic acid, such as HCK S0 4, transition metals such as FeCl 3, TiCl 4 Organic compounds such as compounds, tetracyanoquinodimethane, tetracyanotetrazanaphthalene, and chloranil; alkali metals such as Li, Na, and K as donors; and alkaline metal earths such as Ca, Sr, and Ba You can bing.
- halogen such as bromine, PF 5, AsF 5, BF Lewis acid such as 3, HF, an organic acid such as a protonic acid and p-toluenesulfonic acid, such as HCK S0 4, transition metals such as FeCl 3, TiCl 4 Organic compounds such as compounds, tetracyanoquinodimethane, tetracyanotetrazanaphthalen
- the electronic state of the conjugated organic semiconductor polymer approaches that of the conductor, so that the semiconductivity is lost, and the rate of decrease in resistance with respect to temperature is reduced as an NTC function.
- the sum constant may be low, so it is necessary to avoid excessive blending and blend appropriately.
- oxidative polymerization catalysts for conjugated organic semiconductor polymers such as halogens and transition metal chlorides, which function as dopants.If necessary, they are eliminated or deactivated by ion exchange or the like. be able to.
- the compound is introduced into the dendrimer, polystyrene, polymethyl methacrylate, or other oligomer, polymer or fullerene molecule synthesized sequentially from the central core molecule to form a functional group. It is simple and desirable to carry it.
- the multifunctional dopant centering on the carrier can bridge between the conjugated organic semiconductor polymers, and simulate IPN (interpenetration height) with the mixed thermoplastic resin or thermosetting resin. It is a useful stabilization measure because it can be used as an interpenetrating polymer network to suppress the separation between conjugated organic semiconductor polymers and their resins.
- a self-doping type in which a dopant is polymerized with a conjugated organic semiconductor polymer is an effective method for fixing a dopant.
- the NTC function basically means that all electrons are confined in orbits around atoms and cannot move freely between atoms. However, if impurities are added to the semiconductor to create electrons protruding from atomic orbitals, the electrons can move. By raising the temperature and ejecting electrons further outside the outermost orbit, the number of freely movable electrons increases, and the resistance of the semiconductor decreases.
- the conjugated organic semiconductor polymer is mixed with an insulating polymer described later, and the conjugated organic semiconductor polymer is dispersed at a molecular level with the insulating polymer, that is, in a compatible state or the conjugated organic semiconductor. Even if the polymer is dispersed as an aggregate of polymers, if the polymer is semiconductive, the mixture exhibits semiconductivity and has NTC function.
- the resin mixed with the conjugated organic semiconductor polymer may be thermoplastic or thermosetting, but is relatively soluble because it must be dissolved in a solvent that dissolves the conjugated organic semiconductor polymer. Highly polar resins are preferred.
- thermoplastic resin examples include polyamide, polyester, polyurethane, polyamideimide, polyetherimide, polyimide, polyethersulfone, polysulfone, polyphenylene sulfide, polyacrylamide, polyacryl, bolifenoxy, polybutylal, and polyethylene glycol. And the like.
- thermosetting resin examples include an epoxy resin, a urethane resin, a rare resin, a maleimide resin, and nitrile rubber.
- additives such as a dispersant, a compatibilizer, a flame retardant, and an adhesion promoter may be used.
- thermosetting resins are preferred because they have low expansion due to high degree of cross-linking and increase the adhesive strength to the electrodes, and epoxy resins, urethane resins, and rare resins having good compatibility are particularly suitable.
- the mixing amount (mass) of the thermoplastic resin or the thermosetting resin is 2 times or less, preferably 1 time or less, more preferably 0.1 times or more and 0.5 times or less of the conjugated organic semiconductor polymer. Good to do. If the mixing amount exceeds twice, the properties of the organic NTC device composition as a semiconductor are likely to be lost. Further, depending on the distance between the pair of electrodes and the contact area of the electrode with the composition, the resistance value may be as high as 1 1 ⁇ or more. In addition, especially when the organic NTC composition is mixed, the conjugated organic semiconductor polymer, thermoplastic resin, and the like are separated into islands as the solvent volatilizes even if the respective mixtures are compatible in a solution state. In addition, the stability of electrical characteristics is lost, and in the worst case, conductivity is lost. Therefore, in this case, a compatibilizer or the like can be used.
- thermosetting resin may inhibit the above-mentioned doping effect, so that care must be taken to obtain the necessary initial resistance and short-circuit characteristics.
- thermoplastic resin or thermosetting resin When the above-mentioned thermoplastic resin or thermosetting resin is not contained, the thermistor constant shown below (the effect of the temperature change of the resistance reduction) becomes large, but the adhesion to the electrode decreases. Or the workability may be impaired. Therefore, it is preferable to evaluate the characteristics of the thermistor constant of the conjugated organic semiconductor polymer.
- the thermistor constant (B) is expressed by Equation 1 in terms of resistance (RL) at low temperature (TL: absolute temperature) and resistance (RH) at high temperature (TH: absolute temperature).
- the adjustment of the thermistor constant is mainly performed by the kind of the conjugated organic semiconductor polymer and the doping method described above.
- the resistance of the organic NTC element composition is adjusted mainly by the contact area of the electrode, the distance, and the amount of the thermosetting resin.
- the relationship line in the graph can be obtained as a straight line falling to the right, and it is possible to evaluate the characteristics of the semiconductor having the NTC function. it can.
- the conjugated organic polymer is a conductor
- the semiconductor ability can be easily identified because the conjugated organic polymer shows a substantially horizontal straight line, similarly to a conductive material filled with a conductive filler.
- the NTC device using the composition of the present invention usually has a size of 1,000 to 20,
- the organic NTC device according to the present invention is provided with the above-mentioned organic NTC device composition between a pair of electrodes.
- a pair of comb-shaped electrodes (see electrode 2 in FIG. 2) provided on an insulating substrate such as a ceramics substrate, a glass plate, a polyimide film, or a glass epoxy substrate is made of a conductive paste such as gold, silver, or palladium. It can be formed by an ordinary butting method using an IT film, a chromium film, a copper foil, a nickel foil, a gold-plated nickel foil, or the like. In the present invention, it is desirable that the distance between the lines of the pattern is within a range of about 0.1 mm and the distance is about 0.5 mm, and the total length between the lines is within a range of 100 to 1000 mm.
- the organic NTC device according to the present invention has the above-mentioned organic NTC in the pattern shown in FIG.
- a C element composition layer is formed.
- the organic NTC device according to the present invention can be characterized in that the electrode is made of a metal foil. In this case, it is preferable that the surface of the electrode in contact with the organic NTC element composition is roughened.
- the organic NTC element according to the present invention can have the structure shown in FIG.
- the organic NTC element composition 1 is disposed between two metal foils 2, and leads 3 are respectively bonded to the outside of each metal foil.
- the entire organic NTC element composition 1 and metal foil 2 are covered with a protective layer, and
- the metal foil examples include a single metal foil such as copper, iron, nickel, brass, and aluminum, a composite foil, and an alloy foil.
- the surface of the metal foil in contact with the organic NTC element composition is preferably roughened.
- the center line average roughness Ra may be 0.1 l ⁇ m or more due to electrodeposition, thermal spraying, or the like. preferable.
- Such surface roughening In addition to increasing the durability of the manufactured device itself, the organic NTC device composition does not cause minute peeling failures even when the device is repeatedly subjected to cold and heat at a temperature of 140 to 125 T. If the surface is not roughened, fine peeling failures will occur due to repeated heating and cooling, and the reproducibility of resistance at the same temperature will be poor.
- the method for producing an organic NTC element according to the present invention is the method for producing an organic NTC element described above.
- the conjugated organic semiconductor polymer and a thermoplastic resin or an uncured thermosetting resin are dissolved in a solvent to obtain an organic NTC element composition solution.
- other additives may be added to the organic NTC element composition solution.
- a thermosetting resin it can be dealt with by dividing the curing agent component and the catalyst component, for example, into two liquids, depending on the pot life.
- cosolvent examples include dimethylformamide'dimethylacetamide, n-methylpyrrolidone, THF, and the like.
- the present invention is not limited to these solvents.
- the method for producing an organic NTC device comprises the steps of: applying an organic NTC device composition solution to an electrode formed on a substrate surface; drying the solution; removing the solvent to form an organic NTC device composition layer on the electrode; It can be characterized by the following.
- the above-mentioned organic NTC element composition solution is screen-printed, ink-jet-printed, etc. to a thickness of l to 50 m on opposing comb electrodes 2, 2 provided on an insulating substrate as shown in FIG.
- a protective layer is formed using an epoxy potting mold and a metal cap to produce an organic NTC device.
- the method for producing an organic NTC element according to the present invention is characterized in that the organic NTC element composition solution is applied to the first metal foil surface serving as the electrode and dried, and the solvent is removed to remove the solvent. An organic NTC element composition layer is formed, and further an organic NTC element composition layer is formed. It can be characterized in that the second metal foil is attached.
- the above-mentioned organic NTC element composition solution is coated on the first metal foil (electrode), dried sufficiently, and then the second metal foil (electrode) is bonded with a hot roll, if necessary. Crosslink the thermosetting resin. Next, after punching into the desired shape, if necessary, leads can be bonded to each electrode and epoxy dip molding can be performed to produce an organic NTC device (see Fig. 1).
- the method for producing an organic NTC device according to the present invention further comprises removing the solvent while stirring the organic NTC device composition solution, plasticizing the mixed composition after the removal, forming the mixture into a predetermined shape, and forming the pair of electrodes.
- the molded product is interposed.
- the organic NTC element composition solution is sufficiently volatilized with a vacuum stirring dryer or the like, the obtained compound is heated and plasticized to be molded.
- the element can also be manufactured by extrusion molding, heat lamination, injection molding, transfer molding, and the like, which are used in ordinary plastic processing.
- the organic NTC device thus configured can be manufactured at a low temperature without using expensive rare earth transition elements.
- the kind of the conjugated organic semiconductor polymer and the doping method at the time of manufacturing it is possible to easily adjust the sum constant of the organic NTC device composition.
- the resistance value of the organic NTC element can be easily adjusted. For this reason, it exhibits the same performance as a ceramic NTC element. Since the organic NTC element has such high productivity and processing flexibility, for example, like a printed resistor, an organic NTC composition solution is printed on a circuit board in a free form and provided. A hybrid circuit board on which electronic components and the like are mounted can be manufactured.
- Example 1 As a conjugated organic semiconductor polymer, 100 g of poly (3-methyl-4-butylcarboxylate), iOg of tetracyanoquinodimethane and 25 g of a polyamide resin (manufactured by Toyobo Co., Ltd.) were added to 200 g of dimethylacetamide. The mixture was dissolved and mixed to obtain a brown transparent organic NTC composition solution. This was screen-printed on a pattern of 0.15 mm between electrodes and a total length of 300 mm between lines made by etching a copper foil (35 m) on a polyimide film, and dried to form a film with a film thickness of 20 mm. m of the NTC composition was formed. Next, except for the lead portion, an epoxy dip was applied and a protective layer was provided to produce an organic NTC device.
- a polyamide resin manufactured by Toyobo Co., Ltd.
- Example 1 This was sheeted on an electrolytic nickel foil (thickness: 25 m, center line average roughness: 1.6 im) by a hot roll to form an NTC composition having a thickness of 145 m. Next, the same metal foil was bonded with a hot roll. The sandwiched NTC composition was punched out to 15 ⁇ , and a ribbon-shaped nickel-white foil was joined by resistance welding to form a lead. The following is the same as Example 1.
- DMF dimethylformamide and toluene
- Example 1 the same metal foil was bonded with a hot roll.
- the sandwiched NTC composition was punched out to a size of 15 mm, and a rifon-shaped nickel-white foil was joined by resistance welding to form a lead.
- the following is the same as in Example 1.
- conjugated organic semiconductor polymer 100 g of polyethylene dioxythiophene (manufactured by Nippon Agfa), 40 g of sulfonated polystyrene and acrylonitrile copolymer (molar ratio of acrylonitrile to butyl methacrylate, '2: 1 78 g) was dissolved and mixed in 1500 g of a dimethylformamide solvent to obtain a blue transparent organic NTC composition solution. This is spin-coated on a pattern with a distance between electrodes of 0.05 mm and a total length of 200 mm between lines formed by etching a chromium-deposited film (3000 A) on glass, dried, and dried to form an lm-thick NTC composition.
- Example 1 After removing the masking of the chrome electrode part on the glass, cut out to 4 x 6 mm2, apply silver paste on the chrome electrode part at the end, provide a protective layer on the other parts, and mount the organic NTC element. Produced. The following is the same as Example 1.
- Table 1 shows the initial resistance value ( ⁇ ), the Smith constant (° K), and the rate of change (%) after the thermal cycle in each example. Evaluation Example 1 Example 2 Example 3 Example 4 Initial resistance Temperature 0 ° C 3300 250 65000 70 500 Value Temperature 1 0 0 280 12 6000 310
- the composition of the present invention comprises a conjugated organic semiconductor polymer and a thermoplastic resin or a thermosetting resin.
- a mixture of the thermoplastic resin or the thermosetting resin is used. If the total amount is less than twice the amount of the organic semiconductor polymer, the organic NTC element can be manufactured at a low temperature without using expensive materials, and has high industrial applicability. It can be an NTC composition. In addition, it can have high productivity and processing flexibility. Therefore, such an organic NTC device and its manufacturing method have high industrial applicability.
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Description
Claims
Priority Applications (3)
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AU2002354492A AU2002354492A1 (en) | 2001-12-14 | 2002-12-13 | Organic ntc composition, organic ntc element, and process for producing the same |
US10/498,844 US7161463B2 (en) | 2001-12-14 | 2002-12-13 | Organic NTC composition, organic NTC device and production method of the same |
JP2003553584A JPWO2003052777A1 (ja) | 2001-12-14 | 2002-12-13 | 有機ntc組成物、有機ntc素子、及びその製造方法 |
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PCT/JP2002/013089 WO2003052777A1 (fr) | 2001-12-14 | 2002-12-13 | Composition organique ctn, element organique ctn et procede de fabrication associe |
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US (1) | US7161463B2 (ja) |
JP (1) | JPWO2003052777A1 (ja) |
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Cited By (7)
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JP2004335731A (ja) * | 2003-05-07 | 2004-11-25 | Shin Etsu Polymer Co Ltd | 有機ntc素子 |
DE102007050673A1 (de) | 2007-10-19 | 2009-04-23 | Friedrich-Schiller-Universität Jena | Neue Hexaaza-acene und Verfahren zu ihrer Herstellung |
CN105551984A (zh) * | 2015-12-31 | 2016-05-04 | 广东爱晟电子科技有限公司 | 防水防潮的温度传感器的制作方法及其制得的温度传感器 |
JP2018119938A (ja) * | 2017-01-29 | 2018-08-02 | 地方独立行政法人大阪産業技術研究所 | 抵抗変化型温度センサおよびその製造方法 |
WO2020203000A1 (ja) * | 2019-03-29 | 2020-10-08 | 住友化学株式会社 | 温度センサ素子 |
WO2020202998A1 (ja) * | 2019-03-29 | 2020-10-08 | 住友化学株式会社 | 温度センサ素子 |
JP2020165881A (ja) * | 2019-03-29 | 2020-10-08 | 住友化学株式会社 | 温度センサ素子 |
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WO2001082314A1 (de) * | 2000-04-25 | 2001-11-01 | Epcos Ag | Elektrisches bauelement, verfahren zu dessen herstellung und dessen verwendung |
WO2012001465A1 (en) * | 2010-06-29 | 2012-01-05 | Indian Institute Of Technology Kanpur | Flexible temperature sensor and sensor array |
US10060802B1 (en) * | 2013-12-02 | 2018-08-28 | Summer Merie Ragosta | Intelligent digital thermometer |
DE102016104764A1 (de) * | 2016-03-15 | 2017-09-21 | Osram Oled Gmbh | Organische Leuchtdiode und Kfz-Rücklicht |
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US20050106409A1 (en) | 2005-05-19 |
AU2002354492A1 (en) | 2003-06-30 |
JPWO2003052777A1 (ja) | 2005-04-28 |
US7161463B2 (en) | 2007-01-09 |
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