JP2017116048A - 冷媒輸送用ホース - Google Patents
冷媒輸送用ホース Download PDFInfo
- Publication number
- JP2017116048A JP2017116048A JP2015254268A JP2015254268A JP2017116048A JP 2017116048 A JP2017116048 A JP 2017116048A JP 2015254268 A JP2015254268 A JP 2015254268A JP 2015254268 A JP2015254268 A JP 2015254268A JP 2017116048 A JP2017116048 A JP 2017116048A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- polyamide resin
- refrigerant
- transport hose
- innermost layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 title claims abstract description 75
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 93
- 229920001971 elastomer Polymers 0.000 claims abstract description 70
- 239000005060 rubber Substances 0.000 claims abstract description 42
- 230000002093 peripheral effect Effects 0.000 claims abstract description 40
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 11
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 3
- 239000011737 fluorine Substances 0.000 claims abstract description 3
- 239000000806 elastomer Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 10
- 229920001780 ECTFE Polymers 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 229920002292 Nylon 6 Polymers 0.000 claims description 5
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 5
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 4
- -1 alkyl vinyl ether Chemical compound 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 238000000605 extraction Methods 0.000 abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 9
- 230000035699 permeability Effects 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract 2
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 172
- 239000000463 material Substances 0.000 description 22
- 150000001875 compounds Chemical class 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 239000002826 coolant Substances 0.000 description 12
- 229920002943 EPDM rubber Polymers 0.000 description 10
- 239000011229 interlayer Substances 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 229920005549 butyl rubber Polymers 0.000 description 7
- 239000004952 Polyamide Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 239000004760 aramid Substances 0.000 description 5
- 229920003235 aromatic polyamide Polymers 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000009954 braiding Methods 0.000 description 4
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 229920005672 polyolefin resin Polymers 0.000 description 4
- 239000010726 refrigerant oil Substances 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- XJSRKJAHJGCPGC-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorohexane Chemical compound FC(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F XJSRKJAHJGCPGC-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 2
- 229920005555 halobutyl Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- HGXJDMCMYLEZMJ-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOOC(=O)C(C)(C)C HGXJDMCMYLEZMJ-UHFFFAOYSA-N 0.000 description 1
- UJIGKESMIPTWJH-UHFFFAOYSA-N 1,3-dichloro-1,1,2,2,3-pentafluoropropane Chemical compound FC(Cl)C(F)(F)C(F)(F)Cl UJIGKESMIPTWJH-UHFFFAOYSA-N 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920006152 PA1010 Polymers 0.000 description 1
- 229920006154 PA11T Polymers 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920005557 bromobutyl Polymers 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229920005556 chlorobutyl Polymers 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920006111 poly(hexamethylene terephthalamide) Polymers 0.000 description 1
- 229920006128 poly(nonamethylene terephthalamide) Polymers 0.000 description 1
- 229920006396 polyamide 1012 Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006146 polyetheresteramide block copolymer Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Images
Classifications
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/022—Mechanical properties
-
- 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
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- 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
- F16L11/045—Hoses, i.e. flexible pipes made of rubber or flexible plastics with four or more layers without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/06—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/18—Layered products comprising a layer of natural or synthetic rubber comprising butyl or halobutyl rubber
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
-
- 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
- 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
- B32B27/08—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 of synthetic resin
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/024—Woven fabric
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/026—Knitted fabric
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
-
- 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
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic 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
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
- C09D177/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
- C09D177/06—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
- 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
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/085—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B32B2250/05—5 or more layers
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0223—Vinyl resin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
-
- 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
- B32B2307/306—Resistant to heat
-
- 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
- B32B2307/51—Elastic
-
- 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
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- 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
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- 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
- B32B2597/00—Tubular articles, e.g. hoses, pipes
-
- 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
-
- 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
- F16L2011/047—Hoses, i.e. flexible pipes made of rubber or flexible plastics with a diffusion barrier layer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Textile Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
内容積が13リットルの撹拌機付き重合槽を脱気し、1−ヒドロトリデカフルオロヘキサンを8500g、1,3−ジクロロ−1,1,2,2,3−ペンタフルオロプロパンを3650g、及びCH2=CH(CF2)4Fを26g仕込み、テトラフルオロエチレン(以下、「TFE」ともいう。)2100g、及びエチレン(以下、「E」ともいう。)1.2gを圧入し、重合槽内を66℃に昇温し、重合開始剤としてtert−ブチルペルオキシピバレート0.5質量%の1−ヒドロトリデカフルオロヘキサン溶液を48mL仕込み、重合を開始させた。そして、重合中の圧力が一定になるようにTFE/E=70/30(モル比)の組成のモノマー混合ガスを連続的に仕込み、TFE/Eのモノマー混合ガスに対して0.7モル%となるようにCH2=CH(CF2)4Fを連続的に仕込んだ。重合開始3時間後、モノマー混合ガス900gを仕込んだ時点で、重合槽内温を室温まで降温するとともに常圧までパージした。このようにして得られたスラリーをガラスフィルターで吸引ろ過し、120℃で15時間乾燥させて、950gのエチレン−テトラフルオロエチレン共重合体(ETFE1)を得た。
そして、上記のようにして得られたETFE1と、溶融粘度1200Pa・sのマレイン酸変性ETFE(AH2000、旭硝子社製)とを、重量比で、ETFE1:AH2000=2:1でブレンドし、溶融粘度600Pa・sのフッ素樹脂1を得た。
上記のようにして得られたETFE1と、溶融粘度1200Pa・sのマレイン酸変性ETFE(AH2000、旭硝子社製)とを、重量比で、ETFE1:AH2000=1:2でブレンドし、溶融粘度800Pa・sのフッ素樹脂2を得た。
溶融粘度1200Pa・sのマレイン酸変性ETFE(AH2000、旭硝子社製)
溶融粘度1200Pa・sのマレイン酸変性ETFE(AH2000、旭硝子社製)と、溶融粘度1700Pa・sのETFE(C88AXP、旭硝子社製)とを、重量比で、AH2000:C88AXP=2:1でブレンドし、溶融粘度1400Pa・sのフッ素樹脂4を得た。
溶融粘度1700Pa・sのETFE(C88AXP、旭硝子社製)
ポリアミド6(Ca:6)(CM1017、東レ社製)
ポリアミド610(Ca:8)(CM2006、東レ社製)
ポリアミド12(Ca:12)(3030B、宇部興産社製)
エチレン−α−オレフィン共重合体(タフマーMH7020、三井化学社製)
金属製のマンドレル(外径12.7mm)上に、フッ素樹脂1からなる最内層(厚み0.15mm)と、ポリアミド樹脂1とエラストマー1とのコンパウンド(重量比で、ポリアミド樹脂1/エラストマー1=70/30の割合としたコンパウンド)からなる外層(厚み0.15mm)とを、共押出成形した。そして、上記外層(ポリアミド樹脂層)の外周面に、EPDMの押し出し成形により、第一のゴム層を形成(厚み1.6mm)した後、そのゴム層外周面にアラミド糸のブレード編組により補強層を形成し、さらに上記補強層の外周面にEPDMの押し出し成形により、第二のゴム層を形成(厚み1.0mm)した。そして、加硫後、この積層ホース体からマンドレルを抜き取り、長尺の成形品を切断することにより、目的とする冷媒輸送用ホースを作製した(図1参照)。なお、上記外層(ポリアミド樹脂層)を電子顕微鏡観察したところ、エラストマー1からなる島相が分散されていることが確認された。
最内層の材料として、フッ素樹脂1に代えて、フッ素樹脂2を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。
最内層の材料として、フッ素樹脂1に代えて、フッ素樹脂3を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。
最内層の材料として、フッ素樹脂1に代えて、フッ素樹脂4を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。
外層(ポリアミド樹脂層)の材料として、ポリアミド樹脂1とエラストマー1とのコンパウンドに代えて、ポリアミド樹脂2とエラストマー1とのコンパウンド(重量比で、ポリアミド樹脂2/エラストマー1=70/30の割合としたコンパウンド)を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。なお、上記外層(ポリアミド樹脂層)を電子顕微鏡観察したところ、エラストマー1からなる島相が分散されていることが確認された。
金属製のマンドレル(外径12.7mm)上に、フッ素樹脂5からなる最内層(厚み0.15mm)を押出成形した後、上記最内層外周面にプラズマ処理を行った。その後、上記最内層外周面に対し、ポリアミド樹脂1とエラストマー1とのコンパウンド(重量比で、ポリアミド樹脂1/エラストマー1=70/30の割合としたコンパウンド)からなる外層(厚み0.15mm)を押出成形した。そして、上記外層(ポリアミド樹脂層)の外周面に、EPDMの押し出し成形により、第一のゴム層を形成(厚み1.6mm)した後、そのゴム層外周面にアラミド糸のブレード編組により補強層を形成し、さらに上記補強層の外周面にEPDMの押し出し成形により、第二のゴム層を形成(厚み1.0mm)した。そして、加硫後、この積層ホース体からマンドレルを抜き取り、長尺の成形品を切断することにより、目的とする冷媒輸送用ホースを作製した。なお、上記外層(ポリアミド樹脂層)を電子顕微鏡観察したところ、エラストマー1からなる島相が分散されていることが確認された。
金属製のマンドレル(外径12.7mm)上に、ポリアミド樹脂1とエラストマー1とのコンパウンド(重量比で、ポリアミド樹脂1/エラストマー1=70/30の割合としたコンパウンド)からなる最内層(厚み0.15mm)を押出成形した。そして、上記最内層の外周面に、EPDMの押し出し成形により、第一のゴム層を形成(厚み1.6mm)した後、そのゴム層外周面にアラミド糸のブレード編組により補強層を形成し、さらに上記補強層の外周面にEPDMの押し出し成形により、第二のゴム層を形成(厚み1.0mm)した。そして、加硫後、この積層ホース体からマンドレルを抜き取り、長尺の成形品を切断することにより、目的とする冷媒輸送用ホースを作製した。
金属製のマンドレル(外径12.7mm)上に、ポリアミド樹脂3とエラストマー1とのコンパウンド(重量比で、ポリアミド樹脂3/エラストマー1=70/30の割合としたコンパウンド)からなる最内層(厚み0.15mm)を押出成形した。そして、上記最内層の外周面に、EPDMの押し出し成形により、第一のゴム層を形成(厚み1.6mm)した後、そのゴム層外周面にアラミド糸のブレード編組により補強層を形成し、さらに上記補強層の外周面にEPDMの押し出し成形により、第二のゴム層を形成(厚み1.0mm)した。そして、加硫後、この積層ホース体からマンドレルを抜き取り、長尺の成形品を切断することにより、目的とする冷媒輸送用ホースを作製した。
外層(ポリアミド樹脂層)の材料として、ポリアミド樹脂1とエラストマー1とのコンパウンドに代えて、ポリアミド樹脂3とエラストマー1とのコンパウンド(重量比で、ポリアミド樹脂3/エラストマー1=70/30の割合としたコンパウンド)を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。
最内層の材料として、フッ素樹脂1に代えて、ポリオレフィン樹脂(B241、プライムポリマー社製)を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。
最内層の材料として、フッ素樹脂1に代えて、マレイン酸変性ポリオレフィン樹脂(アドマーQF551、三井化学社製)を用いた。それ以外は実施例1と同様にし、目的とする冷媒輸送用ホースを作製した。
実施例および比較例の各ホースを長手方向に切り開いた後、円盤状に打ち抜き、サンプルシートを作製した。そして、低温(−35℃以下)で代替フロンガス(HFC−134a)を封入したカップの開口部を、そのサンプルシートで閉鎖し、これを90℃のオーブン中に放置した。そして、カップ内の代替フロンガス減量を時間とともにプロットし、その傾きにより、サンプルシートの透過面積に対する、1日あたりの代替フロンガス透過量(HFC−134a透過係数、mg・mm/cm2・day)を算出した。そして、1日あたりの代替フロンガス透過量が0.3mg・mm/cm2・day以下ものを○と評価した。
冷媒輸送用ホースの樹脂層(最内層・外層)の弾性率(MPa)を、ASTM D 790に準拠して測定した。
ホース長400mmの冷媒輸送用ホースに対し、冷媒(HFC−134a)50gとオイル(ダフニーハーメチックオイル)30gとの混合液を封入して、ホースの両端開口部に栓をし、その後、このホースを150℃のオーブン中に168時間放置した。その後、取り出した抽出液をろ紙に取り出し乾燥させ、上記ろ紙上の抽出物の有無を、マイクロスコープにて観察した。そして、抽出物が確認されなかったものを○、抽出物が確認されたものを×と評価した。
冷媒輸送用ホースの樹脂層(最内層・外層)の材料からなる試験片(JIS5号ダンベル)を、150℃のギヤーオーブン中に168時間放置して熱老化させた後、180°折り曲げ、試験片に亀裂の発生や折れ等の異常がないかどうかを外観観察した。そして、最内層・外層のいずれの試験片にも異常がみられなかったものを○、最内層・外層の少なくとも一方の試験片に異常がみられたものを×と評価した。
冷媒輸送用ホースを10mm幅に切断して、短冊状のサンプルを作製した。そして、各サンプルの樹脂層間(最内層と外層との層間)を部分的に剥離し、その部分を各々引張試験機のチャックに挟み、雰囲気温度23℃、引張速度25mm/分の条件で、90°剥離強度(N/cm)を測定した。そして、上記剥離強度が30N/cm以上のものを○、上記剥離強度が30N/cm未満のものを×と評価した。
冷媒輸送用ホースを、直径200mmの管状の筒(マンドレル)に巻きつけ、その巻きつけ度合により、柔軟性の評価を行った。すなわち、上記巻きつけにより、ホースの樹脂層がキンク(座屈)しなかったものを○と評価した。
冷媒輸送用ホースを10mm幅に切断して、短冊状のサンプルを作製した。そして、JIS P 8115に準拠して、各サンプルに対し、雰囲気温度120℃、荷重250g、折り曲げ角度135°、試験サイクル175cpmで、MIT試験を行った。そして、往復折り曲げ回数が10000回以上であっても、サンプルの破断が生じなかったものを○と評価した。
2 ポリアミド樹脂層
3a 第一のゴム層
3b 第二のゴム層
4 補強層
Claims (11)
- フッ素樹脂からなる管状の最内層と、上記最内層外周面に接して設けられたポリアミド樹脂層と、上記ポリアミド樹脂層外周面に接して設けられた第一のゴム層と、上記第一のゴム層外周面に接して設けられた補強層と、上記補強層外周面に接して設けられた第二のゴム層とを備えた冷媒輸送用ホースであって、上記ポリアミド樹脂層が、窒素原子1個当たりの炭素原子の平均数Caが10以下のポリアミド樹脂からなることを特徴とする特徴とする冷媒輸送用ホース。
- 上記最内層が、溶融粘度が500〜3000Pa・sのフッ素樹脂からなる、請求項1記載の冷媒輸送用ホース。
- 上記最内層が、エチレン−テトラフルオロエチレン共重合体(ETFE),ポリビニリデンフルオライド(PVDF),エチレン−テトラフルオロエチレン−ヘキサフルオロプロピレン共重合体(EFEP),テトラフルオロエチレン−パーフルオロ(アルキルビニルエーテル)−クロロトリフルオロエチレン共重合体(CPT),テトラフルオロエチレン−ヘキサフルオロプロピレン共重合体(FEP)およびクロロトリフルオロエチレン−エチレン共重合体(ECTFE)からなる群から選ばれた少なくとも一つのフッ素樹脂からなる、請求項1または2記載の冷媒輸送用ホース。
- 上記最内層が、無水マレイン酸変性フッ素樹脂,無水イタコン酸変性フッ素樹脂および無水シトラコン酸変性フッ素樹脂からなる群から選ばれた少なくとも一つからなる、請求項1〜3のいずれか一項に記載の冷媒輸送用ホース。
- 上記最内層の厚みが、0.05〜0.25mmの範囲である、請求項1〜4のいずれか一項に記載の冷媒輸送用ホース。
- 上記最内層の弾性率が、600〜900MPaの範囲である、請求項1〜5のいずれか一項に記載の冷媒輸送用ホース。
- 上記ポリアミド樹脂層との界面に位置する最内層外周面に水酸基を有する、請求項1〜6のいずれか一項に記載の冷媒輸送用ホース。
- 上記ポリアミド樹脂層が、ポリアミド6,ポリアミド610およびポリアミド66からなる群から選ばれた少なくとも一つのポリアミド樹脂からなる、請求項1〜7のいずれか一項に記載の冷媒輸送用ホース。
- 上記ポリアミド樹脂層が、エラストマーからなる島相が分散されたポリアミド樹脂層である、請求項1〜8のいずれか一項に記載の冷媒輸送用ホース。
- 上記最内層の厚みが、上記ポリアミド樹脂層の厚み以上となるよう構成されている、請求項1〜9のいずれか一項に記載の冷媒輸送用ホース。
- 上記最内層の弾性率が、上記ポリアミド樹脂層の弾性率以上となるよう構成されている、請求項1〜10のいずれか一項に記載の冷媒輸送用ホース。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254268A JP2017116048A (ja) | 2015-12-25 | 2015-12-25 | 冷媒輸送用ホース |
DE102016013584.0A DE102016013584A1 (de) | 2015-12-25 | 2016-11-14 | Schlauch zum Leiten eines Kältemittels |
CN201611093128.2A CN106917921B (zh) | 2015-12-25 | 2016-12-01 | 制冷剂输送用软管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254268A JP2017116048A (ja) | 2015-12-25 | 2015-12-25 | 冷媒輸送用ホース |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2017116048A true JP2017116048A (ja) | 2017-06-29 |
Family
ID=59010590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015254268A Pending JP2017116048A (ja) | 2015-12-25 | 2015-12-25 | 冷媒輸送用ホース |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2017116048A (ja) |
CN (1) | CN106917921B (ja) |
DE (1) | DE102016013584A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019065920A (ja) * | 2017-09-29 | 2019-04-25 | 株式会社ブリヂストン | 積層チューブ及び複合管並びに積層チューブの製造方法 |
WO2020203905A1 (ja) * | 2019-03-29 | 2020-10-08 | 宇部興産株式会社 | 積層体 |
CN112049991A (zh) * | 2020-08-27 | 2020-12-08 | 湖南创瑾科技有限公司 | 一种高压塑胶管道及其制备方法 |
WO2021182336A1 (ja) * | 2020-03-10 | 2021-09-16 | ダイキン工業株式会社 | 樹脂組成物、成形品及び成形品の製造方法 |
JP2021529681A (ja) * | 2018-03-19 | 2021-11-04 | サン−ゴバン パフォーマンス プラスティックス コーポレイション | 燃料輸送用途のための多層管材 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6814485B2 (ja) * | 2018-09-21 | 2021-01-20 | 株式会社トヨックス | 耐熱性可撓管及びその製造方法 |
CN109488819A (zh) * | 2018-10-30 | 2019-03-19 | 南京利德东方橡塑科技有限公司 | 一种输送新型环保制冷剂的复合空调软管 |
WO2020087905A1 (zh) * | 2018-10-30 | 2020-05-07 | 南京利德东方橡塑科技有限公司 | 一种输送新型环保制冷剂的复合空调软管 |
CN110936666A (zh) * | 2019-12-11 | 2020-03-31 | 四川川环科技股份有限公司 | 一种hdpe/pa6多层阻隔管路 |
JP2021120584A (ja) * | 2020-01-30 | 2021-08-19 | 横浜ゴム株式会社 | 冷媒輸送用ホース |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2081026U (zh) * | 1990-02-21 | 1991-07-17 | 重庆中南橡胶厂 | 耐氟里昂冷冻的编织胶管 |
US6062269A (en) * | 1996-02-20 | 2000-05-16 | Kabushiki Kaisha Meiji Gomu Kasei | Refrigerant conveying hose |
US5957164A (en) * | 1998-09-10 | 1999-09-28 | Aeroquip Corporation | Refrigerant hose |
JP2001050434A (ja) * | 1999-08-11 | 2001-02-23 | Yokohama Rubber Co Ltd:The | 冷媒輸送用ホース |
JP4556333B2 (ja) | 2000-10-03 | 2010-10-06 | 東海ゴム工業株式会社 | 自動車用ホース |
US7478654B2 (en) * | 2006-08-17 | 2009-01-20 | Veyance Technologies, Inc. | Hose |
JP5612999B2 (ja) * | 2010-10-08 | 2014-10-22 | 東海ゴム工業株式会社 | 冷媒輸送用ホース |
-
2015
- 2015-12-25 JP JP2015254268A patent/JP2017116048A/ja active Pending
-
2016
- 2016-11-14 DE DE102016013584.0A patent/DE102016013584A1/de not_active Ceased
- 2016-12-01 CN CN201611093128.2A patent/CN106917921B/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019065920A (ja) * | 2017-09-29 | 2019-04-25 | 株式会社ブリヂストン | 積層チューブ及び複合管並びに積層チューブの製造方法 |
JP2021529681A (ja) * | 2018-03-19 | 2021-11-04 | サン−ゴバン パフォーマンス プラスティックス コーポレイション | 燃料輸送用途のための多層管材 |
WO2020203905A1 (ja) * | 2019-03-29 | 2020-10-08 | 宇部興産株式会社 | 積層体 |
US11951718B2 (en) | 2019-03-29 | 2024-04-09 | Ube Corporation | Laminate |
WO2021182336A1 (ja) * | 2020-03-10 | 2021-09-16 | ダイキン工業株式会社 | 樹脂組成物、成形品及び成形品の製造方法 |
CN112049991A (zh) * | 2020-08-27 | 2020-12-08 | 湖南创瑾科技有限公司 | 一种高压塑胶管道及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106917921B (zh) | 2019-08-16 |
DE102016013584A1 (de) | 2017-06-29 |
CN106917921A (zh) | 2017-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2017116048A (ja) | 冷媒輸送用ホース | |
US8778472B2 (en) | Refrigerant transporting hose and polyamide resin composition for forming gas barrier layer of the same | |
US7849887B2 (en) | Refrigerant transportation hose | |
JP5238901B1 (ja) | ブチルゴム組成物及びそれを用いたホース | |
JP4732720B2 (ja) | 冷媒輸送用ホース | |
US11104052B2 (en) | Increased rubber-to-nylon adhesion by ozone treatment | |
EP2075116B1 (en) | Refrigerant transporting hose | |
US20080087350A1 (en) | Refrigerant-transporting hose | |
JP6126462B2 (ja) | 積層ゴムホース | |
JP2008137360A (ja) | 冷媒輸送用ホースおよびその製法 | |
WO2017221632A1 (ja) | 冷媒輸送ホース用ゴム組成物及び冷媒輸送ホース | |
JP2017155764A (ja) | 冷媒輸送用ホース | |
JP5497355B2 (ja) | 冷媒輸送用ホース | |
JP6013778B2 (ja) | 樹脂組成物及び冷媒輸送用ホース | |
JP2010071418A (ja) | 冷媒輸送用ホース | |
JP6561217B2 (ja) | 冷媒輸送用ホース | |
CN113795382A (zh) | 制冷剂软管 | |
JP4691913B2 (ja) | ジメチルエーテル輸送用ホース | |
JP2008019901A (ja) | ホース構造体 | |
JP6823438B2 (ja) | 冷媒輸送用ホース | |
JP2022163914A (ja) | 冷媒用積層体及び冷媒用ホース | |
JPH0615915B2 (ja) | 冷媒輸送用ホース | |
JP2010069777A (ja) | 冷媒輸送用ホース | |
JP2008093992A (ja) | 冷媒輸送用ホース | |
JP2007175928A (ja) | 低透過ホース |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20151225 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180905 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190712 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190806 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20190927 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20200303 |