JP4777124B2 - ポリアミドをベースにした流体輸送用多層管 - Google Patents
ポリアミドをベースにした流体輸送用多層管 Download PDFInfo
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- JP4777124B2 JP4777124B2 JP2006114774A JP2006114774A JP4777124B2 JP 4777124 B2 JP4777124 B2 JP 4777124B2 JP 2006114774 A JP2006114774 A JP 2006114774A JP 2006114774 A JP2006114774 A JP 2006114774A JP 4777124 B2 JP4777124 B2 JP 4777124B2
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- 229920002647 polyamide Polymers 0.000 title claims description 33
- 239000012530 fluid Substances 0.000 title claims description 12
- 229920000571 Nylon 11 Polymers 0.000 claims description 34
- 239000004952 Polyamide Substances 0.000 claims description 31
- 229920000299 Nylon 12 Polymers 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 239000004014 plasticizer Substances 0.000 claims description 8
- 239000004609 Impact Modifier Substances 0.000 claims description 7
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- -1 aliphatic diamine Chemical class 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 81
- IPRJXAGUEGOFGG-UHFFFAOYSA-N N-butylbenzenesulfonamide Chemical compound CCCCNS(=O)(=O)C1=CC=CC=C1 IPRJXAGUEGOFGG-UHFFFAOYSA-N 0.000 description 16
- 239000000203 mixture Substances 0.000 description 8
- 239000006229 carbon black Substances 0.000 description 5
- 235000019241 carbon black Nutrition 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 229920002614 Polyether block amide Polymers 0.000 description 4
- 150000004985 diamines Chemical class 0.000 description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical group NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical group OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- ROBFUDYVXSDBQM-UHFFFAOYSA-N hydroxymalonic acid Chemical compound OC(=O)C(O)C(O)=O ROBFUDYVXSDBQM-UHFFFAOYSA-N 0.000 description 2
- 150000003951 lactams Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical group OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- BJZYYSAMLOBSDY-QMMMGPOBSA-N (2s)-2-butoxybutan-1-ol Chemical compound CCCCO[C@@H](CC)CO BJZYYSAMLOBSDY-QMMMGPOBSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- HLPUFFFUMXMQPE-UHFFFAOYSA-N CCCCCCCCCCC(CCCCC)OC(=O)C1=CC=C(O)C=C1 Chemical compound CCCCCCCCCCC(CCCCC)OC(=O)C1=CC=C(O)C=C1 HLPUFFFUMXMQPE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 150000008331 benzenesulfonamides Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000004427 diamine group Chemical group 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920006168 hydrated nitrile rubber Polymers 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229940100630 metacresol Drugs 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- FCGASPQFBJKTRO-UHFFFAOYSA-N n-cyclohexyl-1-phenylmethanesulfonamide Chemical compound C1CCCCC1NS(=O)(=O)CC1=CC=CC=C1 FCGASPQFBJKTRO-UHFFFAOYSA-N 0.000 description 1
- OHPZPBNDOVQJMH-UHFFFAOYSA-N n-ethyl-4-methylbenzenesulfonamide Chemical compound CCNS(=O)(=O)C1=CC=C(C)C=C1 OHPZPBNDOVQJMH-UHFFFAOYSA-N 0.000 description 1
- SRINDXMUNIMKQR-UHFFFAOYSA-N octan-3-yl 4-hydroxybenzoate Chemical compound CCCCCC(CC)OC(=O)C1=CC=C(O)C=C1 SRINDXMUNIMKQR-UHFFFAOYSA-N 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B1/08—Tubular products
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic acids
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/36—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
- F16L11/127—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/308—Heat stability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B2597/00—Tubular articles, e.g. hoses, pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]
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- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Description
ポリアミドをベースにした多層管に関する特許は多数存在するが、機械的抵抗性と被輸送流体に対する耐久性との両方の特性を同時に満足するポリマーまたはポリマーブレンドは存在しないため、多層にする必要がある。
大抵の多層構造物では、各種ポリマー層を結合するための接着層が必要である。しかし、一般に各ポリマー層は非相溶であるため、接着のために層の数が増え、製造が複雑になるという欠点がある。
PA−11(またはPA−12)から成る外層は耐薬品性、耐塩化亜鉛性、衝撃強度および動的特性を有する。中間層は機械的強度、特に高温での耐圧性を有する。導電性または非導電性のPA−11またはPA−12から成る内層は機械特性および耐薬品性と、導電性(導電性を付与した場合)とを有する。
本発明の多層管は平滑(smooth)管でもリング加工(ringed)したものでもよい。さらに、平滑部とリング加工部とを有するものでもよい。
本発明の他の実施例では多層管を2つの層のみから構成することができる。
(1)ナイロン−11またはナイロン−12ポリアミドから成る層(任意層)、
(2)下記の(a)と(b)から成る中間層(合計で100重量%):
(1)式:X、Y/Zまたは6、Y2/Zで表される少なくとも一種のポリアミドA1:50〜100重量%、
〔ここで、
Xは6〜10個の炭素原子を有する脂肪族ジアミンの残基を示し、
Yは10〜14個の炭素原子を有する脂肪族ジカルボン酸の残基を示し、
Y2は15〜20個の炭素原子を有する脂肪族ジカルボン酸の残基を示し、
Zはラクタムの残基、α,ω−アミノカルボン酸の残基、X1、Y1単位(ここで、X1はジアミンの残基を示し、Y1は二酸の残基を示す)の中から選択される少なくとも1つの単位を示し、
Z/(X+Y+Z)およびZ/(6+Y2+Z)の重量比は0〜15%である〕
(b)ナイロン−11またはナイロン−12のポリアミド:0〜50重量%、
(3)ナイロン−11またはナイロン−12のポリアミドから成る層(任意層)、
(ただし、層(1)および層(3)の少なくとも一方は必ず存在し、各層は互いに接着し、内層が輸送される流体と接触する層である)
本発明の一つの実施例では表面抵抗率を好ましくは106Ω以下にする導電材料を内層が含んでいる。
一つの実施例ではZは0である。
別の一つの実施例では多層管が層(1)〜(3)のみで構成され、層(1)および/または(3)は任意層である。
別の実施例では各層はガラス繊維のような繊維を含まない。
本発明の多層管はエンジン用潤滑油と燃料に対しても十分な耐久性がある。本発明の多層管は低温および高温での機械的特性が非常に優れている。
本発明のさらに他の対象は上記多層管の燃料輸送での使用にある。
このポリアミドは通常の添加剤である紫外線安定剤、酸化防止剤、難燃剤等を含むことができる。
「Y」の二酸は直鎖のα,ω−二酸にすることができる。分岐した二酸または線形(直鎖)二酸と分岐二酸との混合物にすることもできる。
ラクタムはカプロラクタムおよびラウリルラクタムの中ら選択できる。
X1は例えば脂肪族ジアミンであり、Y1は例えば脂肪族二酸である。X1の炭素原子の数は6〜14個にすることができる。Y1の炭素原子の数は6〜14にすることができる。
ポリアミドA1はポリアミドを製造する公知の方法で作ることができ、これにPA−11またはPA−12を添加してその弾性率、その他の層への接着力を調節することができる。
中間層のA1およびPA−11またはPA−12の固有粘度は、例えば、層(1)のポリアミドの固有粘度と同一範囲内で選択される。中間層は可塑剤、衝撃改質剤および層(1)の説明で述べたものの中から選択される添加剤を含むことができる。
各層の化合物は熱可塑性プラスチックの通常の溶融混合法で製造できる。本発明の多層管は通常の共押出し技術で製造でき、必要に応じてさらに成形技術を組み合わせてリング加工された管に成形できる。
PA−11の配合物:PA−11+13%BBSA+安定剤、
PA−6,10(+PA−11)の配合物:PA−6,10+10%PA−11+13%BBSA+安定剤、
PA−6,10の配合物:PA−6,10+13%BBSA+安定剤、
PA−6,12の配合物:PA−6,12+13%BBSA+安定剤、
導電性PA−11の配合物:65%PA−11(BESNOP40TL)+12%Pebax A+22%粒状Ensaco250ブラック+1%安定剤。
Pebax AはPA−12ブロックとPTMGブロックとを含むコポリマーで、固有粘度は1.5である。
多層管1(比較例):
900μmPA−11/100μm導電性PA−11、
多層管2(本発明の3層):
400μmPA−11/500μmPA−6,10(+PA−11)/100μm導電性PA−11、
多層管3(本発明の3層):
250μmPA−11/500μmPA−6,10/250μmPA−11、
多層管4(本発明の2層):
900μmPA−6,10(+PA−11)/100μm導電性PA−11、
多層管5(本発明の2層):
900μmPA−6,12/100μm導電性PA−11。
Claims (11)
- 半径方向に外側から内側へ向かって下記の層(1)と層(2)のみを下記順序で有することを特徴とする多層管:
ナイロン−11またはナイロン−12ポリアミドから成る層(1)、
下記の(a)と(b)から成る層(2)(合計で100重量%):
(a)式:X,Yまたは6,Y2で表される少なくとも一種のポリアミドA1(ここで、Xは6〜10個の炭素原子を有する脂肪族ジアミンの残基を示し、Yは10〜14個の炭素原子を有する脂肪族ジカルボン酸の残基を示し、Y2は15〜20個の炭素原子を有する脂肪族ジカルボン酸の残基を示す): 50〜100重量%、
(b)ナイロン−11またはナイロン−12のポリアミド: 0〜50重量%、
(ただし、各層は結合層なしに互いに接着し、層(2)が輸送される流体と接触する層である) - 層(2)の半径方向内側にナイロン−11またはナイロン−12のポリアミドから成る層(3)をさらに有し、層(2)と層(3)は結合層なしに互いに接着し、層(3)が輸送される流体と接触する層である請求項1に記載の多層管。
- 層(3)が導電材料をさらに含む請求項2に記載の多層管。
- 多層管の内層となる層(3)の側に導電材料を含む層(3a)をさらに有し、層(3)は導電材料を含まない請求項2に記載の多層管。
- 上記ポリアミドA1がPA−6,10である請求項1〜4のいずれか一項に記載の多層管。
- 上記ポリアミドA1がPA−6,12である請求項1〜4のいずれか一項に記載の多層管。
- 上記ポリアミドA1がPA−6,14である請求項1〜4のいずれか一項に記載の多層管。
- A1が70〜100重量%で、PA−11またはPA−12が30〜0重量%である請求項1〜7のいずれか一項に記載の多層管。
- 層(1)が可塑剤および衝撃改質剤の中から選択される少なくとも一種の化合物をさらに含む請求項1〜8のいずれか一項に記載の多層管。
- 層3が可塑剤および衝撃改質剤の中から選択される少なくとも一種の化合物をさらに含む請求項2〜9のいずれか一項に記載の多層管。
- 請求項1〜10のいずれか一項に記載の多層管の燃料輸送での使用。
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ITTO20080404A1 (it) * | 2008-05-27 | 2009-11-28 | Dayco Fluid Technologies Spa | Elemento cavo per il trasporto di un fluido refrigerante in un autoveicolo |
IT1391195B1 (it) * | 2008-08-06 | 2011-11-18 | Dayco Fluid Technologies Spa | Gruppo di adduzione per un circuito di aria condizionata e relativo metodo di realizzazione |
DE102008044224A1 (de) * | 2008-12-01 | 2010-06-02 | Evonik Degussa Gmbh | Verwendung einer Zusammensetzung für den Kontakt mit überkritischen Medien |
DE102009001001A1 (de) * | 2009-02-19 | 2010-09-02 | Evonik Degussa Gmbh | Verwendung eines Leitungsrohrs zur Herstellung einer im Wasser verlegten Rohrleitung |
US20140066568A1 (en) | 2012-08-28 | 2014-03-06 | E I Du Pont De Nemours And Company | Polyamide resin blends |
FR3002180B1 (fr) | 2013-02-18 | 2017-12-29 | Arkema France | Utilisation de copolyamide semi-aromatique pour le transport de fluide frigorigene |
FR3002233B1 (fr) | 2013-02-18 | 2016-01-22 | Arkema France | Structure thermoplastique pour le transport de fluide frigorigene |
FR3044959B1 (fr) | 2015-12-15 | 2017-12-08 | Arkema France | Structure multicouche comprenant des fibres continues pour le transport de fluide de transfert de chaleur |
FR3046827B1 (fr) | 2016-01-15 | 2018-05-25 | Arkema France | Structure tubulaire multicouche possedant une meilleure resistance a l'extraction dans la bio-essence et son utilisation |
FR3046826B1 (fr) * | 2016-01-15 | 2018-05-25 | Arkema France | Structure tubulaire multicouche possedant une meilleure resistance a l'extraction dans la bio-essence et son utilisation |
EP3524422B1 (de) | 2018-02-13 | 2020-06-24 | EMS-Patent AG | Flexible mehrschicht-druckluftleitung |
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