JP5502452B2 - 複合シートおよびその製造方法 - Google Patents
複合シートおよびその製造方法 Download PDFInfo
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- JP5502452B2 JP5502452B2 JP2009291161A JP2009291161A JP5502452B2 JP 5502452 B2 JP5502452 B2 JP 5502452B2 JP 2009291161 A JP2009291161 A JP 2009291161A JP 2009291161 A JP2009291161 A JP 2009291161A JP 5502452 B2 JP5502452 B2 JP 5502452B2
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- sheet
- porous ptfe
- composite sheet
- silica gel
- silica sol
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- 239000002131 composite material Substances 0.000 title claims description 49
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 86
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 86
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 48
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 42
- 239000000741 silica gel Substances 0.000 claims description 41
- 229910002027 silica gel Inorganic materials 0.000 claims description 41
- 239000011148 porous material Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 13
- 238000010304 firing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 description 25
- 239000000945 filler Substances 0.000 description 19
- 230000006835 compression Effects 0.000 description 17
- 238000007906 compression Methods 0.000 description 17
- 238000005470 impregnation Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- -1 polytetrafluoroethylene Polymers 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 125000000962 organic group Chemical group 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229920000544 Gore-Tex Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007607 die coating method Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- NHYFIJRXGOQNFS-UHFFFAOYSA-N dimethoxy-bis(2-methylpropyl)silane Chemical compound CC(C)C[Si](OC)(CC(C)C)OC NHYFIJRXGOQNFS-UHFFFAOYSA-N 0.000 description 1
- XYYQWMDBQFSCPB-UHFFFAOYSA-N dimethoxymethylsilane Chemical compound COC([SiH3])OC XYYQWMDBQFSCPB-UHFFFAOYSA-N 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- INJVFBCDVXYHGQ-UHFFFAOYSA-N n'-(3-triethoxysilylpropyl)ethane-1,2-diamine Chemical compound CCO[Si](OCC)(OCC)CCCNCCN INJVFBCDVXYHGQ-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- ZUEKXCXHTXJYAR-UHFFFAOYSA-N tetrapropan-2-yl silicate Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)OC(C)C ZUEKXCXHTXJYAR-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- XYJRNCYWTVGEEG-UHFFFAOYSA-N trimethoxy(2-methylpropyl)silane Chemical compound CO[Si](OC)(OC)CC(C)C XYJRNCYWTVGEEG-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5618—Impregnating foam articles
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
- B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/038—Use of an inorganic compound to impregnate, bind or coat a foam, e.g. waterglass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249981—Plural void-containing components
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Gasket Seals (AREA)
- Laminated Bodies (AREA)
Description
空孔率(%)=[(2.2−ρ)/2.2]×100
上記式中、2.2は延伸多孔質PTFEの真密度(g/cm3)である。
空隙率(%) = [1−Mp/(2.2*Vps)−(Mps−Mp)/(Vps*ρs)]×100
[上記式中、Mp(g)は延伸多孔質PTFEの質量を示し、Vps(cm3)は複合シートの体積を示し、Mps(g)は複合シートの質量を示し、2.2(g/cm3)は延伸多孔質PTFEの真密度を示し、ρs(g/cm3)は硬化後のシリカゲルの真密度を示す]
オルト珪酸テトラエチル(以下、「TEOS」という)、エチルポリシリケート(コルコート社製,製品名「エチルシリケート48」)およびシリカ系コート剤(日興社製,製品名「ヒートレスグラスGS−600−1」)を、固形分の質量換算で2:2:1の割合で混合し、含浸溶液Aを得た。当該含浸溶液A(100mL)を、10cm×10cmの延伸多孔質PTFEシート(ジャパンゴアテックス社製,空孔率:70%,厚さ:3mm,製品名「ハイパーシート」)に真空含浸させた。当該延伸多孔質PTFEシート含浸体を70℃で2時間加熱乾燥した後、さらに徐々に温度を250℃まで高めて2時間保持することにより硬化させ、複合シートを得た。
TEOSとシリカ系コート剤(日興社製,製品名「ヒートレスグラスGS−600−1」)を、固形分の質量換算で2:1の割合で混合し、含浸溶液Bを得た。当該含浸溶液Bを用いた以外は上記実施例1と同様にして、複合シートを得た。
TEOSとシリカ系コート剤(日興社製,製品名「テリオスコートNP−360TSK」)を、固形分の質量換算で2:1の割合で混合し、含浸溶液Cを得た。当該含浸溶液Cを用いた以外は上記実施例1と同様にして、複合シートを得た。
TEOS(62.5g)、エチルポリシリケート(コルコート社製,製品名「エチルシリケート48」,27g)、リン酸トリエチル(5.6g)、水(16.3g)およびエタノール(23.5g)を混合し、さらに少量の塩酸を加えて含浸溶液Dを得た。当該含浸溶液Dを用いた以外は上記実施例1と同様にして、複合シートを得た。
幅10cm×長さ7mの延伸多孔質PTFEシート(空孔率:80%,厚さ:20μm)に含浸溶液Dを塗布して含浸させた。さらに、10cm×10cmの大きさに70回折り返して積層シートとした。当該積層シートをピンフレームで固定し、70℃で2時間加熱乾燥した。さらに、温度を250℃まで徐々に高め、250℃で2時間保持することにより硬化させ、複合シートを得た。
PTFE粉末と無機充填材からなる混合物を圧延成形した充填材入りPTFEシート(日本バルカー工業社製,製品名「#7020」,公称厚さ:3mm)を用いた。
PTFE粉末にマイクログラスバルーンを混合した充填材入りPTFEシート(ガーロック社製,製品名「#3504」,公称厚さ:3mm)を用いた。
上記含浸溶液Dを、10cm×10cmの延伸多孔質PTFEシート(ジャパンゴアテックス社製,空孔率:70%,厚さ:3mm,製品名「ハイパーシート」)に真空含浸させた。当該延伸多孔質PTFEシート含浸体を50℃で30分間加熱乾燥した後、含浸溶液Dを再度真空含浸するという作業を3回繰り返した。70℃で2時間加熱乾燥した後、さらに徐々に温度を120℃まで高めて5時間保持した。次いで、温度を徐々に200℃まで高めて15時間保持した後、さらに温度を250℃まで高めて2時間保持することにより硬化させ、複合シートを得た。
上記各シートの物性を、以下の条件で測定した。実施例1〜5の結果を表1に、比較例1〜3の結果を表2に示す。
試料の厚さ以外はJIS R 3453で規定されている条件に従って、各シートの圧縮率を測定した。具体的には、各シートをアンビル上に載せてその中心部に直径6.4mmのペネトレータをあて、先ず0.686MPaの圧力で15秒間圧縮した後、ダイヤルゲージを用いて厚さt1(mm)を測定した。次いで、34.3MPaの圧力で60秒間圧縮し、同様に厚さt2(mm)を測定した。さらに、0.686MPaの圧力で60秒間圧縮した後、同様に厚さt3(mm)を測定した。得られた測定値から、下記式に従って圧縮率を算出した。
圧縮率(%)=[(t1−t2)/t1]×100
測定は3回行い、その平均値を求めた。
試料の厚さ以外はJIS R 3453で規定されている条件に従って、各シートの復元率を測定した。即ち、上記(1)で得られた測定値から、下記式に従って復元率を算出した。
復元率(%)=[(t3−t2)/(t1−t2)]×100
測定は3回行い、その平均値を求めた。
各シートから外径:74mm、内径:35mmのリングを打ち抜き、油圧プレス機にて面圧20N/mm2相当の荷重を与えつつ、内側から圧力:0.5MPaの窒素ガスを付与した。外側における窒素ガスの漏れ量を石鹸膜流量計により測定した。なお、漏れ量0.0001Pa・m3/sec未満は測定限界以下とした。
試料の厚さ以外はJIS R 3453で規定されている条件に従って、各シートの応力緩和率を測定した。具体的には、各シートから幅10.0mm×長さ32.0mmの試験片を得、応力緩和試験装置の平円板に挟んだ。試験片を26.7kNの荷重で圧縮した後、試験装置のボルトの伸びD0を測定した。次いで、当該測定装置を熱風循環炉により100℃で22時間加熱した後、室温まで放冷し、試験装置のボルトの伸びの数値Dtを読み取った。得られた測定値から、下記式に従って応力緩和率を算出した。
応力緩和率(%)=[(D0−Dt)/D0]×100
測定は3回行い、その平均値を求めた。
Claims (5)
- 延伸多孔質PTFEシートの空孔内にシリカゲルが充填されたものであり;
上記延伸多孔質PTFEシートの厚さが0.5mm以上、10mm以下であり;
空隙率が5%以上、50%以下であり、且つ、当該空隙が独立孔で構成されていることを特徴とする複合シート。 - 上記複合シートにおけるシリカゲルの割合が20質量%以上である請求項1に記載の複合シート。
- 請求項1または2に記載の複合シートを製造するための方法であって、
空孔率が60%以上、厚さが0.5mm以上、10mm以下の延伸多孔質PTFEシートにシリカゾルを含浸させた後、焼成する工程を含み;
上記複合シートの空隙率が5%以上、50%以下であり、且つ、当該空隙が独立孔で構成されていることを特徴とする製造方法。 - シリカゾルを含浸させた延伸多孔質PTFEシートを積層した後、焼成する請求項3に記載の製造方法。
- 請求項1または2に記載の複合シートからなることを特徴とするシートガスケット。
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US7282295B2 (en) | 2004-02-06 | 2007-10-16 | Polyplus Battery Company | Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture |
US9368775B2 (en) | 2004-02-06 | 2016-06-14 | Polyplus Battery Company | Protected lithium electrodes having porous ceramic separators, including an integrated structure of porous and dense Li ion conducting garnet solid electrolyte layers |
KR101522442B1 (ko) | 2008-06-16 | 2015-05-21 | 폴리플러스 배터리 컴퍼니 | 수성 리튬/공기 전지 셀 |
CN102292386B (zh) * | 2008-12-24 | 2014-04-23 | 日本奥亚特克斯股份有限公司 | 复合片及其制造方法 |
CA2842407A1 (en) * | 2011-07-20 | 2013-01-24 | Hemlock Semiconductor Corporation | Manufacturing apparatus for depositing a material on a carrier body |
WO2013028574A2 (en) | 2011-08-19 | 2013-02-28 | Polyplus Battery Company | Aqueous lithium air batteries |
US9660265B2 (en) | 2011-11-15 | 2017-05-23 | Polyplus Battery Company | Lithium sulfur batteries and electrolytes and sulfur cathodes thereof |
JP5989371B2 (ja) * | 2012-03-24 | 2016-09-07 | 日本バルカー工業株式会社 | 配管シール用フッ素樹脂製ガスケット |
WO2017132409A1 (en) * | 2016-01-27 | 2017-08-03 | W. L. Gore & Associates, Inc. | Insulating structures |
CN108884960B (zh) * | 2016-03-18 | 2021-09-03 | 松下知识产权经营株式会社 | 绝热片及其制造方法 |
EP3801868A1 (en) | 2018-05-31 | 2021-04-14 | Aspen Aerogels Inc. | Fire-class reinforced aerogel compositions |
KR102193097B1 (ko) * | 2020-03-09 | 2020-12-18 | 동국성신(주) | 가스켓용 버블 글라스 수지 및 상기 수지로 제조된 가스켓 |
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