Ib qho zoo li cov kua pob tshab zoo ib yam muaj lub peev xwm zoo tshaj plaws los hloov kev lag luam niaj hnub.
Hauv kev lag luam tshuaj, muaj ib yam khoom uas zoo nkaus li yooj yim tab sis qhia tau hais tias muaj peev xwm txawv tshaj plaw: tsis muaj xim, tsis muaj ntxhiab, thiab tsis yog - cov tshuaj lom neeg uas ua lub luag haujlwm tseem ceeb hauv kev lag luam suav tsis txheeb. Niaj hnub no, cia peb nthuav tawm qhov paub tsis meej ntawm cov khoom siv zoo kawg no thiab tshawb xyuas cov khoom tshwj xeeb ntawm cov roj dimethyl silicone.
Dimethyl silicone roj, tshuaj hu ua polydimethylsiloxane (PDMS), muaj cov mis molecular:
C₃H₉SiO(C₂H₆SiO)ₙSiC₃H₉ (n> 2)
Cov organosilicon polymer no muaj cov silicon -oxygen (Si–O) qaum nrog methyl sab pawg, tsim ib qho tshwj xeeb linear molecular qauv.
Nyob rau hauv chav tsev kub, dimethyl silicone roj tshwm li pob tshab, kua nplaum. Nws tsis muaj ntxhiab tsw, tsis qab, tsis yog - lom, thiab muaj lub cev tsis muaj zog. Qhov txawv ntawm cov qauv molecular no muab ntau yam ntawm cov khoom siv physicochemical zoo heev, ua rau nws yog ib qho khoom siv tseem ceeb hauv kev lag luam niaj hnub no.
Cov khoom zoo ntawm Dimethyl Silicone Roj
Daim ntawv thov dav ntawm dimethyl silicone roj thoob plaws ntau yam kev lag luam yog raws li nws cov khoom sib xyaw tshwj xeeb:
1. Kev ua haujlwm kub zoo heev
Dimethyl silicone roj tuaj yeem ua haujlwm tsis tu ncua hauv qhov kub thiab txias-50℃rau +200 degreetsis muaj qhov tseem ceeb degradation. Nyob rau hauv cov xwm txheej tshwj xeeb, nws qhov kub thiab txias tuaj yeem ncav cuag300 degree, tso cai rau nws ua tau kev ntseeg siab nyob rau hauv huab ib puag ncig.
2. Stable Viscosity-Cov yam ntxwv kub
Nws viscosity hloov me ntsis nrog kub hloov pauv. Lub viscosity-kub coefficient yog nyob ze rau xoom, ua kom muaj kev ruaj khov nyob rau hauv ob qho tib si qhov chaw txias heev, xws li Arctic tej yam kev mob, thiab siab - kub daim ntawv thov, xws li cav.
3. Tsis tshua muaj kev sib txhuam
Nrog ib tug nto nro kom tsawg li21 mN / m, dimethyl silicone roj pom zoo heev kis, defoaming, thiab leveling zog.
4. Kev ua tau zoo ntawm hluav taws xob rwb thaiv tsev
Nrog lub zog dielectric tshaj15 kV / hlithiab volume resistivity ntawm10¹⁴–10¹⁶ Ω·cm, dimethyl silicone roj yog ib qho kev xaiv zoo tshaj plaws rau kev ua haujlwm siab - kev siv hluav taws xob rwb thaiv tsev.
5. Cov tshuaj lom neeg ruaj khov thiab kev nyab xeeb zoo heev
Dimethyl silicone roj yog resistant rau acids, alkalis, ultraviolet hluav taws xob, thiab corrosion. Qee qib tau lees paub tias yog zaub mov-qib lubricants (NSF H1) thiab tuaj yeem siv tau zoo hauv kev ua zaub mov thiab kev kho mob - thaj chaw muaj feem xyuam.
6. Dav viscosity ntau yam
Muaj viscosities muaj los ntawm0.65-1,000,000 mm²/s, tso cai rau nws ua tau raws li cov kev cai sib txawv xws li cov cuab yeej precision mus rau cov khoom siv hnyav.
Dav -Ranging Industrial Applications
Daim ntawv thov ntawm dimethyl silicone roj yog dav, npog yuav luag txhua yam ntawm kev lag luam niaj hnub.
1. Muaj Defoaming kws tshaj lij
Vim nws qhov nro tsis tshua muaj siab, dimethyl silicone roj yog ib qho tseem ceeb hauv kev ua haujlwm siab -defoamers. Hauv kev lag luam xws li roj av extraction, tshuaj tsim khoom, khoom noj khoom haus, papermaking, thiab kev kho dej khib nyiab, tsuas yog ntxiv rau10-100 ppm (ib feem ntawm ib lab)ntawm silicone roj tuaj yeem tshem tawm cov npuas dej sai sai thiab txhim kho kev tsim khoom thiab kev nyab xeeb.
2. Ib qho tseem ceeb Pwm tso tawm tus neeg sawv cev
Hauv plastics, roj hmab, thiab hlau casting industries, dimethyl silicone roj muab tshwj xeeb kev ua tau zoo raws li tus neeg sawv cev tso pwm. Nws tsim cov yeeb yaj kiab tso tawm tsis pom nyob rau ntawm qhov chaw pwm, tso cai rau cov khoom tiav kom tshem tau yooj yim thaum tswj xyuas qhov zoo tshaj plaws smoothness thiab meej cov ntsiab lus.
3. Tshwj xeeb Lubrication Solutions
Dimethyl silicone roj occupies ib qho tseem ceeb txoj hauj lwm nyob rau hauv advanced lubrication daim ntaub ntawv. Raws li qhov kub siab - lubricant kub, nws tiv thaiv cov khoom siv hlau hauv tsheb turbochargers thiab cov tshuab dav hlau. Nws tuav cov kua dej zoo heev nyob rau hauv cov xwm txheej txias heev, xws li hauv cov cuab yeej tshawb fawb Arctic. Nws tseem muab sijhawm ntev - lubrication ntev rau roj hmab thiab yas iav thiab ua tau zoo nyob rau hauv lub tshuab nqus tsev ib puag ncig, nrog rau kev siv aerospace.
4. Tus Saib Xyuas Hluav Taws Xob Hluav Taws Xob
Ua tsaug rau nws cov khoom zoo heev dielectric, cov roj dimethyl silicone ua haujlwm zoo tshaj plaws rau cov khoom siv hluav taws xob xws li transformers thiab capacitors. Piv nrog cov roj hloov pauv ib txwm muaj, nws tuaj yeem ua rau cov khoom siv me me tsim, txhim kho lub zog ua haujlwm, txhim kho kev nyab xeeb, thiab txo kev cuam tshuam ib puag ncig.
5. Stabilizer rau Precision Instruments
Hauv cov cuab yeej precision xws li cov cuab yeej kho qhov muag, gyroscopes, thiab cov ntsuas tsheb, cov roj dimethyl silicone ua haujlwm raws li cov khoom siv ua kua. Nws absorbs mechanical vibrations, stabilizes ntsuas kev khiav hauj lwm, thiab xyuas kom meej qhov ntsuas los ntawm kev txo qhov cuam tshuam ntawm sab nraud cuam tshuam.
6. Master of Surface Treatment
Thaum cov iav thiab ceramics raug kho nrog dimethyl silicone roj ua raws li los ntawm kev kho cua sov, ib nrab - tsis muaj dej tsis tu ncua, mildew- resistant, thiab insulating tiv thaiv zaj duab xis tuaj yeem tsim. Qhov kev kho mob no pab tiv thaiv pwm kev loj hlob ntawm cov khoom siv kho qhov muag, txuas ntxiv lub neej txee ntawm cov khoom siv tshuaj, thiab txo qis kev sib txhuam ntawm cov yeeb yaj kiab nyias thiab cov txheej txheem.
Kev Txhim Kho Yav Tom Ntej
Nrog kev txhim kho thev naus laus zis tas mus li, cov roj dimethyl silicone tau hloov mus rau ntau qhov tshwj xeeb thiab siab -kev ua haujlwm:
1. Hloov cov roj silicone
Ntau yam tshiab nrog kev ua kom zoo dua qub, xws li - siab tsis kam, antistatic zog, thiab txhim kho kev sib raug zoo, tab tom tsim los ntawm kev hloov kho tshuaj.
2. Nanocomposite Technology
Kev sib xyaw cov roj silicone nrog nanomaterials tuaj yeem txhim kho kev siv tshuab, thermal, thiab kev ua haujlwm zoo.
3. Green Manufacturing
Kev txhim kho cov txheej txheem tsim khoom thiab siv cov thev naus laus zis zoo ib puag ncig yuav pab txo kev cuam tshuam ib puag ncig thaum tswj cov khoom lag luam siab.
Raws li cov khoom siv organosilicon ntau yam, cov roj dimethyl silicone tseem yuav ua lub luag haujlwm tseem ceeb hauv kev nce qib kev lag luam niaj hnub los ntawm nws qhov sib xyaw ua ke ntawm kev ruaj ntseg, kev nyab xeeb, thiab kev ua haujlwm ntau yam.
