1. Fluororubber (FKM)
1.1 cov qauv tshuaj thiab kev ua haujlwm
Lub ntsiab ntawm cov roj hmab fluoro muaj lub zog CF (nyiaj txiag hauv lub zog Cov ntsiab lus fluorine ntawm perfluoro ETher - ntaus FKM (FFKM) yog tshaj 70%, tso nws cov tshuaj lom neeg muaj zog heev.
1.2 nruab nrab tiv taus kev ua tau zoo
Roj ua: Raws li ASTM D471 xeem, hauv IM903 roj ntawm 150 degree rau 70 teev, lub ntim hloov pauv yog tsawg dua 5%.
Acid Refantance: Nws tuaj yeem tiv thaiv 70% sulfuric acid (23 degree) thiab 50% nitric acid (xws li naoh rotentrated alkali) yog yuav ua rau muaj kev tiv thaiv defluorination.
Hnav Tsis kam: The TE AbrASS poob (cs {{l}} log, 1 kg nra, thiab nws tuaj yeem txo qis dua 50mm³ los ntawm kev ntxiv PTFE micro hmoov.
1.3 hloov kho thev naus laus zis
Taw qhia ntawm tus thib peb Monomer (xws li tfe): Nws txhim kho qis qis - kub hloov tau (TR10 tuaj yeem ncav cuag - 30 degree).
Kev txhawb nqa nrog nano - siio₂: Lub zog rhuav zog yog nce los ntawm 40% rau 50 kn / m.
Perfluoroetheting roj hmab (Kalrez®): Kev ua yeeb yam ntawm kev tiv thaiv muaj zog acid sib xyaw ua ke yog nce ntawm 3 zaug.
1.4 Cov ntawv thov raug
Cov ntawv kaw neeg siv neeg siv hauv chaw khaws khoom (API 682 txuj ci), Ringsing Rings rau seriesonductor ntub dej etching khoom siv.
2. Hydrogenated Nitrile - Butadiene Roj Hmab (HNBR)
2.1 Cov Qauv Txheej Txheem
Tom qab catalytic hydrogenation ntawm nitrile-butadiene roj hmab, ob-qiv nyiaj yog> 95% thiab cov nyiaj sib tw sib tw yog <5%. Tus ntug dej nyuaj heev los ntawm 55 txog 90.
2.2 Kev Ua Yeeb Yam
Roj Reach: Hauv Astm # 3 Roj ntawm 150 Qib rau 168 teev, lub ntim nthuav tawm yog 8 - 12%.
Tshuaj Kuj: Nws muaj qhov ruaj khov zoo heev hauv cov photy ntawm 4 - 10} thiab muaj peev xwm tawm tsam 50% sulfuric acid (80 degree).
Hnav cov yam ntxwv-resistant: Lub cev tsis ploj yog xeem los ntawm DIN53516 yog 25 - 40 mm³t, uas yog 2 npaug zoo dua li NBR.
2.3 cov mis optimization
Peroxide vulcanization System: Tus ntoo khaub lig-txuas tawm yog nce rau 5 × 10⁻⁵mol / cm³.
Carbon Fiber txhawb: Lub teeb nyem (150 degree × 70H) yog txo rau 15%.
Silicone Kev Hloov: Cov kev txwv siab tshaj plaws rau kev siv yog nce rau 180 degree.
2.4 Cov piv txwv
O - Rings hauv Automotive ROJ TSHUAB (SAE J2643 txuj ci), valve rooj rau oilfield drilling khoom.
3. Polyurethane Roj Hmab (PU)
3.1 molecular tsim
Nws muaj micro-sib cais qauv ntawm cov ntu nyuaj (MDI / TDI) + ntu mos (polyester / polyeth). Cov kev ua tau zoo yog qhov zoo tshaj plaws thaum cov ntsiab lus nyuaj-ntu yog {4}}%.
3.2 Kev Ua Tau Zoo
Roj Kuj Qib: Cov roj tsis kam ntawm polyester-hom PU mus txog ASTM D2000 BC qib.
Tshuaj Kuj: Nws tuaj yeem tiv thaiv 10% cov tshuaj naoh (60 degree) thiab 30% h₂so₄ (chav sov (chav sov).
Hnav-Reactce Performance Index: Akron puas yog tsawg dua 0. 03cmkm, uas yog 10 zaug ntawm cov roj hmab ntuj.
3.3 Qhov Cuab Lub Zog thiab Kev Hloov Kho
Intercalation ntawm Nano-av nplaum: Lub zog tensile yog nce rau 60mpa.
Silicon Carride Whishers: Cov kua muag lub zog ncav cuag 120 kn / m.
UV Stabilizer: Sab nraum zoov huab cua tiv thaiv yog txuas ntxiv mus rau ntau tshaj 5 xyoos.
3.4 Cov Khoom Raug Zoo
Mine Screen Meshes (ISO 14890 tus qauv), hnav-resistant bushings rau cov thooj voos kheej kheej.
4. Cov tshuaj fluorosilicone roj hmab (FVMQ)
4.1 Cov Qauv Txheej Txheem
Qhov tseem ceeb ntawm silicone - oxygen - Alkane (-si - o -
4.2 Kev Tshaj Tawm Tsis Txaus
Nruab nrab tsis kam: Nws tuaj yeem tawm JP - 8 roj (150 degree) nrog lub ntim hloov ntawm tsawg dua 15%.
Corrosion Kuj: Thaum resisting 98% concentrated sulfuric acid (23 degree × 168h), lub zog khaws cov nqi khaws cia yog> 85%.
Hnav-Reactce Performance Index: Tus nqi sim los ntawm DIN53516 yog 40 - 60 mm³, thiab mq resin yuav tsum tau ntxiv rau kev txhawb nqa.
4.3 Composite Kev Hloov Kho
Fluorine-muaj cov fillers: Cov roj tsis kam yog nce 30%.
Ntshav tshuaj kho mob: Txoj kev sib sau ua lub zog ncav cuag 4.5MPA.
Thermal Condivity Hloov Kho: Lub thermal conductivity yog nce rau 0. 8W / MK.
4.4 Daim Ntawv Thov
Sealing seem rau lub nkoj thauj khoom roj (OS 3327 txuj ci), diaphragms), diaphragms rau cov twj siv nyob rau hauv cov xov xwm corrosive.
5. Epichlorohydrin roj hmab (ECO)
5.1 molecular qauv qauv
Nws yog copolymer ntawm epichlorohydin, muaj cov polar ether (C - O - C) thiab Chloromethyl pawg (-ch₂Cl).
5.2 Kev Tshawb Fawb Txog Kev Tshawb Fawb
Roj ua rau sib npaug: Hauv kev sib xyaw ntawm Astm roj B / C, lub ntim hloov yog tsawg dua 20%.
Kua qaub thiab alkali tsis kam: Nws muaj qhov ruaj khov nyob hauv cov phot ntau ntawm 2 - 12.
Dynamic hnav tsis kam: Cov cua sov tiam nyob rau hauv Goodrich Flex qhov kev xeem yog tsawg dua 25 degree.
5.3 Cov Qauv Tsim Qauv
Zinc Oxide / Magnesium muaj kev sib xyaw ua ke vulcanization: Cov cua sov tsis kam yog nce rau 130 degree.
Graphene kev hloov kho: Lub thermal conductivity yog nce rau 0. 35W / MK.
Ionic kua yas: Lub iav hloov ntsuas kub yog txo kom - 45 degree.
5.4 Kev Siv Cov Ntawv Thov
Txheej txheej rau luam ntawv rau luam ntawv rau luam ntawv (Hardness 90 ± 5 ntug dej hiav txwv rau cov nkoj.
6. Khoom siv kev ua tau zoo thiab xaiv cov tswv yim
| Performance index | Fkm | Dai txog HNBR | PU | Fvmq | Eco |
|---|---|---|---|---|---|
| Cov roj ua tsis tau (ΔV%) | < 5 | < 12 | < 15 | < 15 | < 20 |
| Kuj rau hyso₄ concentration | 0.7 | 0.5 | 0.3 | 0.98 | 0.4 |
| Hnav - Ua kom tsis kam ntsuas (mM³) | 80 - 120 | 25 - 40 | < 30 | 40 - 60 | 50 - 70 |
| Kev pabcuam kub (degree) | - 20~230 | - 40~170 | - 50~100 | - 60~250 | - 40~130 |
Xaiv cov ntsiab cai:
Rau cov muaj zog-acid ib puag ncig, FVMQ lossis FKM yog qhov xav tau.
Rau kev ua kom muaj zog hnav-resistant Cheebtsam, PU lossis HNBR yog nyiam xaiv.
Rau tus nqi - rhiab ua haujlwm kev ua haujlwm, hloov kho cov ntaub ntawv eco tuaj yeem txiav txim siab.
Rau kev siv tshuab hluav taws xob dav - kub-ntau, FKM / HNBR sib xyaw ua tau siv tau.
Cov ntaub ntawv xws li roj Hmab Fluoro thiab hydrogenated nitrile-butadiene roj hmab tau ua kom zoo dua qub kev txhim kho cov tshuaj lom neeg thiab hnav tsis kam los ntawm molecular tsim qauv thiab composite hloov kho. Yav tom ntej, nws yog qhov tsim nyog los ua ke cov haujlwm tshwj xeeb thiab siv ntau qhov kev txhim kho cov khoom siv ntawm cov roj hmab tshiab hauv cov chaw muaj huab cua zoo.
