JP5270359B2 - 低温用途向けパーフルオロエラストマー組成物 - Google Patents
低温用途向けパーフルオロエラストマー組成物 Download PDFInfo
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- JP5270359B2 JP5270359B2 JP2008537876A JP2008537876A JP5270359B2 JP 5270359 B2 JP5270359 B2 JP 5270359B2 JP 2008537876 A JP2008537876 A JP 2008537876A JP 2008537876 A JP2008537876 A JP 2008537876A JP 5270359 B2 JP5270359 B2 JP 5270359B2
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- perfluoroelastomer
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- vinyl ether
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- 239000000203 mixture Substances 0.000 title claims description 62
- 229920006169 Perfluoroelastomer Polymers 0.000 title claims description 36
- -1 perfluoro Chemical group 0.000 claims description 26
- 239000010702 perfluoropolyether Substances 0.000 claims description 22
- 239000000178 monomer Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 12
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 7
- 150000002825 nitriles Chemical class 0.000 claims description 7
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 150000002170 ethers Chemical class 0.000 claims description 4
- 150000003606 tin compounds Chemical class 0.000 claims description 2
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 21
- 238000004132 cross linking Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 150000001451 organic peroxides Chemical class 0.000 description 7
- 150000002978 peroxides Chemical class 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 229920001973 fluoroelastomer Polymers 0.000 description 5
- 229920002313 fluoropolymer Polymers 0.000 description 5
- 239000004811 fluoropolymer Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- AYCANDRGVPTASA-UHFFFAOYSA-N 1-bromo-1,2,2-trifluoroethene Chemical group FC(F)=C(F)Br AYCANDRGVPTASA-UHFFFAOYSA-N 0.000 description 2
- HSTOKWSFWGCZMH-UHFFFAOYSA-N 3,3'-diaminobenzidine Chemical compound C1=C(N)C(N)=CC=C1C1=CC=C(N)C(N)=C1 HSTOKWSFWGCZMH-UHFFFAOYSA-N 0.000 description 2
- GVCWGFZDSIWLMO-UHFFFAOYSA-N 4-bromo-3,3,4,4-tetrafluorobut-1-ene Chemical compound FC(F)(Br)C(F)(F)C=C GVCWGFZDSIWLMO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KSSJBGNOJJETTC-UHFFFAOYSA-N COC1=C(C=CC=C1)N(C1=CC=2C3(C4=CC(=CC=C4C=2C=C1)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC(=CC=C1C=1C=CC(=CC=13)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC=C(C=C1)OC Chemical compound COC1=C(C=CC=C1)N(C1=CC=2C3(C4=CC(=CC=C4C=2C=C1)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC(=CC=C1C=1C=CC(=CC=13)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC=C(C=C1)OC KSSJBGNOJJETTC-UHFFFAOYSA-N 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001565 modulated differential scanning calorimetry Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JMGNVALALWCTLC-UHFFFAOYSA-N 1-fluoro-2-(2-fluoroethenoxy)ethene Chemical compound FC=COC=CF JMGNVALALWCTLC-UHFFFAOYSA-N 0.000 description 1
- LYIPDZSLYLDLCU-UHFFFAOYSA-N 2,2,3,3-tetrafluoro-3-[1,1,1,2,3,3-hexafluoro-3-(1,2,2-trifluoroethenoxy)propan-2-yl]oxypropanenitrile Chemical compound FC(F)=C(F)OC(F)(F)C(F)(C(F)(F)F)OC(F)(F)C(F)(F)C#N LYIPDZSLYLDLCU-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- ODBCKCWTWALFKM-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhex-3-yne Chemical compound CC(C)(C)OOC(C)(C)C#CC(C)(C)OOC(C)(C)C ODBCKCWTWALFKM-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- WPXLSICRBPNKEI-UHFFFAOYSA-N OC(=O)OC(C)CC(C)(C)OOC(C)(C)C Chemical compound OC(=O)OC(C)CC(C)(C)OOC(C)(C)C WPXLSICRBPNKEI-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- BLYOHBPLFYXHQA-UHFFFAOYSA-N n,n-bis(prop-2-enyl)prop-2-enamide Chemical compound C=CCN(CC=C)C(=O)C=C BLYOHBPLFYXHQA-UHFFFAOYSA-N 0.000 description 1
- DYUWTXWIYMHBQS-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine Chemical compound C=CCNCC=C DYUWTXWIYMHBQS-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000006551 perfluoro alkylene group Chemical group 0.000 description 1
- 229920005548 perfluoropolymer Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- KJWHEZXBZQXVSA-UHFFFAOYSA-N tris(prop-2-enyl) phosphite Chemical compound C=CCOP(OCC=C)OCC=C KJWHEZXBZQXVSA-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
-
- 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
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/46—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen
- C08G2650/48—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen containing fluorine, e.g. perfluropolyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
A.i)40〜55モルパーセントのパーフルオロ(アルキルビニルエーテル)、ii)0.1〜3モルパーセントの硬化部位モノマーの共重合単位を含み、そして全モルパーセントが100であるように残りの共重合単位がiii)テトラフルオロエチレンのものであるパーフルオロエラストマーと、
B.25〜50phrのパーフルオロポリエーテルと
を含むパーフルオロエラストマー組成物に関する。
CF2=CFO(Rf'O)n(Rf''O)mRf (I)
(式中、Rf'およびRf''は2〜6個の炭素原子の異なる線状または分岐のパーフルオロアルキレン基であり、mおよびnは独立して0〜10であり、そしてRfは1〜6個の炭素原子のパーフルオロアルキル基である)
で表されるものが含まれる。
CF2=CFO(CF2CFXO)nRf (II)
(式中、XはFまたはCF3であり、nは0〜5であり、そしてRfは1〜6個の炭素原子のパーフルオロアルキル基である)
の組成物が含まれる。
CF2=CFO[(CF2)mCF2CFZO]nRf (III)
(式中、Rfは1〜6個の炭素原子を有するパーフルオロアルキル基であり、m=0または1、n=0〜5であり、そしてZ=FまたはCF3である)
の化合物が含まれる。
CF2=CFO[(CF2CF{CF3}O)n(CF2CF2CF2O)m(CF2)p]CxF2x+1 (IV)
(式中、mおよびnは独立して0〜10であり、p=0〜3、そしてx=1〜5である)
の化合物が含まれる。
CF2=CFOCF2CF(CF3)O(CF2O)mCnF2n+1 (V)
(式中、n=1〜5、m=1〜3、そして式中、好ましくは、n=1である)
が挙げられる。
CF3−(O−CF2CF2)n(OCF2)m−OCF3 (VI)
F−(CF2CF2CF2−O)p−CF2CF3 (VII)
F−(CF(CF3)−CF2−O)q−CF2CF3 (VIII)
(式中、n、m、pおよびqは1〜180の整数である)
で表されるものが含まれるが、それらに限定されない。好ましくはm+n=40〜180、そしてn/m=0.5〜2である。好ましくはpおよびqは10〜60の整数である。最も好ましくは、PFPEは、20℃で3500cStの動粘度(ASTM D445)を有する式VIIIで表されるものである。後者は、クリトックス(Krytox)(登録商標)16350性能潤滑油として本願特許出願人から市販されている。
(硬化特性)
特に記載のない限り、硬化特性は、以下の条件下に(ISO(国際標準化機構)6502)、アルファ・システムズ(Alpha Systems)モデルMDR2000E移動ダイ流動計(MDR)を用いて測定された:
移動ダイ振動数:1.66ヘルツ
振動振幅:±0.5°
温度:200℃
サンプルサイズ:6〜10g
継続期間:30分
MH:dN・mの単位での最大トルクレベル
ML:dN・mの単位での最小トルクレベル
ts2:MLより2.26dN・m高くなるまでの分
tc90:最大トルクの90%までの分
AS568A214 O−リングの圧縮永久歪み(ASTM D395)
ガラス転移温度(Tg)は、窒素中10℃/分の加熱速度での変調示差走査熱量測定法(MDSC)によって測定された。
48.3モル%PMVEを有するパーフルオロエラストマーを含有する本発明の硬化性組成物(サンプル1)、および37.4モル%PMVEを有するパーフルオロエラストマーを含有する比較組成物(サンプルA)を、2−ロールミルで従来通りに原料を配合することによって製造した。原料および割合を表Iに示す。
44.7モル%PMVEを有するパーフルオロエラストマーを含有する本発明の硬化性組成物(サンプル2)、および37.4モル%PMVEを有するパーフルオロエラストマーを含有する比較組成物(サンプルB)を、2−ロールミルで従来通りに原料を配合することによって製造した。原料および割合を表IIに示す。
1. A)i)40〜55モルパーセントのパーフルオロ(アルキルビニルエーテル)、ii)0.1〜3モルパーセントの硬化部位モノマーの共重合単位を含み、そして全モルパーセントが100であるように残りの共重合単位がiii)テトラフルオロエチレンのものであるパーフルオロエラストマーと、
B)25〜50phrのパーフルオロポリエーテルと
を含むことを特徴とするパーフルオロエラストマー組成物。
2. 前記パーフルオロエラストマーがパーフルオロ(メチルビニルエーテル)の43〜50モルパーセント共重合単位を含有することを特徴とする1.に記載のパーフルオロエラストマー組成物。
3. 前記硬化部位モノマーがニトリル側基を有するフルオロビニルエーテルおよびニトリル側基を有するフルオロオレフィンからなる群から選択されることを特徴とする1.に記載のパーフルオロエラストマー組成物。
4. C)硬化剤をさらに含むことを特徴とする1.に記載のパーフルオロエラストマー組成物。
5. 前記硬化剤が有機過酸化物、ビス(アミノフェノール)、有機スズ化合物および硬化温度で分解してアンモニアを放出する化合物からなる群から選択されることを特徴とする4.に記載のパーフルオロエラストマー組成物。
6. 前記パーフルオロポリエーテルが、i)CF3−(O−CF2CF2)n(OCF2)m−OCF3、ii)F−(CF2CF2CF2−O)p−CF3、およびiii)F−(CF(CF3)−CF2−O)q−CF2CF3からなる群から選択され、式中n、m、pおよびqが1〜180の整数であることを特徴とする1.に記載のパーフルオロエラストマー組成物。
7. 前記パーフルオロポリエーテルがASTM D445によって測定される際に、20℃で3500cStの動粘度を有するF−(CF(CF3)−CF2−O)q−CF2CF3であることを特徴とする6.に記載のパーフルオロエラストマー組成物。
8. 4.に記載の組成物を含む組成物から形成されることを特徴とする硬化品。
Claims (2)
- A)i)40〜55モルパーセントのパーフルオロ(アルキルビニルエーテル)、ii)0.1〜3モルパーセントの硬化部位モノマーの共重合単位を含み、そして全モルパーセントが100であるように残りの共重合単位がiii)テトラフルオロエチレンのものであるパーフルオロエラストマーと、
B)25〜50phrのパーフルオロポリエーテルと
C)硬化剤を含み、
前記硬化部位モノマーがニトリル側基を有するフルオロビニルエーテルおよびニトリル側基を有するフルオロオレフィンからなる群から選択され、
前記硬化剤がビス(アミノフェノール)、有機スズ化合物および硬化温度で分解してアンモニアを放出する化合物からなる群から選択されることを特徴とするパーフルオロエラストマー組成物。 - 請求項1に記載の組成物を含む組成物から形成されることを特徴とする硬化品。
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PCT/US2006/041468 WO2007050600A1 (en) | 2005-10-25 | 2006-10-25 | Perfluoroelastomer compositions for low temperature applications |
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