Silicone Roj yog dab tsi?

Silicone roj yog ib lo lus dav dav siv rau ib pawg ntawmsilicone- cov ntaub ntawv ua kua, feem ntau yog raws li polydimethylsiloxane (PDMS).

Tsis zoo li cov roj ntxhia hauv cov pa, cov roj silicone muaj ib qhosilicon{0}}oxygen qaumes tsis yog carbon-tsuas yog qaum.

Ib qho qauv yooj yim ntawm PDMS tuaj yeem sawv cev raws li:

-Si(CH₃)₂–O–Si(CH₃)₂–O–

Cov qauv molecular no muab cov roj silicone ua ke ntawm cov khoom uas nyuaj rau kev ua tiav nrog ntau cov pa roj carbon monoxide.

Nyob ntawm cov qauv molecular thiab viscosity, silicone roj tuaj yeem muab:

Zoo thermal stability

Tsawg nto nro

Kev tiv thaiv dej zoo

Zoo tshuaj stability

Tsawg volatility nyob rau hauv cov qib tsim nyog

Lubricity zoo

Cov pwm tso tawm zoo heev

Hluav taws xob rwb thaiv tsev zoo

Kev khiav hauj lwm kub ntau yam

Zoo tiv thaiv oxidation

Tab sis muaj ib qho tseem ceeb uas cov neeg yuav khoom qee zaum saib dhau:

Tsis yog txhua cov roj silicone muaj tag nrho cov khoom no rau tib qib.

Viscosity, molecular hnyav, molecular qauv, purity, thiab formulation tag nrho cov cuam tshuam li cas cov khoom coj.

Tias yog vim li cas tsuas yog thov rau "silicon roj" feem ntau tsis txaus thaum yuav khoom lag luam.

Silicone Oil vs. Silicone Fluid: Puas yog Lawv Ib Yam?

Qhov no yog ib qho ntawm cov ntsiab lus tsis meej pem hauv kev ua lag luam.

Hauv ntau qhov kev lag luam,silicone rojthiabsilicone kuasiv interchangeably.

Piv txwv li, tus neeg xa khoom tuaj yeem hu rau PDMS cov khoom "silicone oil," thaum lwm tus neeg muag khoom hu qhov tseem ceeb ntawm cov khoom siv "silicone fluid."

Yog li qhov sib txawv tseem ceeb?

Feem ntau, cov terminology tseem ceeb tsawg tshaj li qhovtechnical specification.

Rau kev lag luam kev yuav khoom, kuv tsis xav kom xaiv cov khoom raws li seb nws yog hu ua roj lossis dej.

Hloov chaw, saib:

Cov qauv tshuaj

viscosity

Purity

Tshwj xeeb lub ntiajteb txawj nqus

Cov ntsiab lus tsis muaj zog

Ntog nro

Ua haujlwm kub

Cov cai thov

Kev cai lij choj

Hauv lwm lo lus:

Yuav cov specification, tsis yog lub npe.

Qhov no tseem ceeb tshwj xeeb tshaj yog thaum sib piv cov khoom los ntawm cov neeg muag khoom sib txawv.

Silicone Roj ua li cas?

Cov roj silicone feem ntau yog tsim los ntawm organosilicon tebchaw thiab tom qab ntawd tswj los ntawm polymerization thiab ua.

Rau PDMS-raws li cov roj silicone, qhov kawg viscosity nyob ntawm qhov ntev ntawm cov saw hlau polymer thiab qhov hnyav molecular.

Qhov no tsim ntau yam khoom.

Tsawg -viscosity silicone kua tuaj yeem coj zoo li cov kua nyias nyias, thaum lub siab -viscosity silicone kua tuaj yeem ua tuab tuab.

Qhov txawv ntawd tsis yog ib qho teeb meem ntawm "thicker lossis thinner."

Nws tuaj yeem cuam tshuam:

Tso dej

Sib tov

Dispersion

Nto kev pab them nqi

Lubrication

Tso tawm kev ua tau zoo

Dosing raug

Daim ntawv thov efficiency

Qhov no yog vim li cas viscosity yog ib qho ntawm thawj qhov tshwj xeeb uas tus neeg yuav khoom lag luam yuav tsum tshuaj xyuas.

Silicone Roj Viscosity: Vim Li Cas Nws Tseem Ceeb

Silicone roj viscosity feem ntau qhia hauvcentistokes (cSt)ntawm qhov ntsuas kub.

Cov roj silicone ua lag luam muaj nyob rau hauv qhov dav dav viscosity ntau.

Piv txwv li, tus neeg yuav khoom yuav ntsib cov khoom xws li:

10 csy

50 csy

100 csy

3 50 csy

1,000 TSI

5,000 tzs

10,000 TSI

Siab dua - qib viscosity

Qhov ntau yam yog nyob ntawm tus neeg muag khoom thiab cov khoom lag luam.

Tab sis siab dua viscosity uatsis yogtxiav txhais tau tias ua tau zoo dua.

Qhov no yog ib qho tseem ceeb ntawm kev yuav khoom yuam kev.

Lub siab - viscosity silicone roj tuaj yeem muab cov yeeb yaj kiab zoo dua los yog ua kom ruaj khov nyob rau hauv ib daim ntawv thov, thaum cov khoom muaj viscosity tsawg yuav kis tau yooj yim dua thiab muab kev nkag mus rau lwm qhov zoo dua.

Lo lus nug tseeb tsis yog:

"Qhov twg viscosity yog qhov zoo tshaj plaws?"

Nws yog:

"Qhov twg viscosity muab qhov kev ua tau zoo uas kuv xav tau hauv kuv qhov kev ua haujlwm tiag tiag?"

Common Industrial Applications ntawm Silicone Roj

Silicone roj yog siv nyob rau hauv ntau lub lag luam vim nws ua ke ntawm lubricity, deg zog, thermal stability, thiab tshuaj tiv thaiv.

Nov yog qee qhov kev siv ntau tshaj plaws.

1. Lubrication

Cov roj silicone tuaj yeem siv los ua cov roj nplua nyeem hauv cov ntawv thov uas tsis tshua muaj qhov nro, qhov kub thiab txias, thiab tshuaj tiv thaiv tseem ceeb.

Lawv yog siv nyob rau hauv xaiv:

Mechanical Cheebtsam

Roj hmab ua

Kev ua yas

Cov khoom siv precision

Valves

Cov ntsaws ruaj ruaj

Cov khoom siv hluav taws xob

Txawm li cas los xij, cov roj silicone tsis yog qhov hloov pauv thoob ntiaj teb rau cov khoom siv roj ntsha.

Qhov kev sib txawv no tseem ceeb.

Silicone roj yuav ua tau zoo heev nyob rau hauv ib lub cev tab sis tsis zoo nyob rau hauv lwm qhov uas huab heev - siab los yog load - bearing kev ua tau zoo.

Yog li tus neeg yuav khoom lag luam yuav tsum ntsuas qhov ua tiav lubrication system tsis yog xaiv cov roj silicone vim nws muaj qhov kub thiab txias.

2. Pwm tso tawm

Ib qho ntawm qhov zoo- paub siv cov roj silicone yogpwm tso tawm.

Its low surface tension and relatively low surface energy make silicone-based materials useful for reducing adhesion between materials and mold surfaces.

Silicone roj tuaj yeem siv rau qee yam:

Roj hmab molding txheej txheem

Kev ua yas

Silicone ua

Composite manufacturing

Industrial tso formulations

Txawm li cas los xij, muaj kev lag luam tawm - tawm.

Yog tias cov roj silicone ntau dhau mus rau qhov chaw molded, nws yuav tsim teeb meem rau cov txheej txheem qis qis xws li:

Kev pleev xim

Kev luam ntawv

Adhesive sib txuas

Txheej

Lamination

Yog li "zoo dua tso tawm" tsis tas txhais tau tias "ntau dua silicone roj."

Hauv ntau qhov chaw tsim khoom, lub hom phiaj yog siv tiag tiagqhov tsawg kawg nkaus tus nqi tsim nyog kom ua tiav kev tso tawm txhim khu kev qha yam tsis muaj paug rau saum npoo.

3. Defoaming thiab Antifoaming

Qee yam khoom siv silicone-raws li muaj txiaj ntsig zoo ntawm kev tswj cov npuas dej.

Silicone roj tuaj yeem muab tso rau hauv cov tshuaj tiv thaiv los yog defoamer formulations siv hauv cov txheej txheem xws li:

Txheej txheej

Kev kho dej

Kev ua tshuaj lom neeg

Pulp thiab ntawv

Textile ua

Kev tu vaj tse

Fermentation thiab processing systems

Tab sis cov roj silicone ntshiab tsis yog qhov zoo tshaj plaws defoamer.

Qhov no yog lwm qhov chaw uas cov neeg yuav khoom lag luam qee zaum ua qhov kev xav tsis raug.

Kev lag luam defoamer feem ntau yog cov txheej txheem tsim los sib npaug:

ua npuas ncauj knockdown + persistence + compatibility + dispersion

Tsuas yog ntxiv cov roj silicone ntxiv tuaj yeem txhim kho thawj zaug ua npuas ncauj tswj thaum tsim lwm yam teeb meem kev tsim.

4. Textile ua

Silicone- cov ntaub ntawv raws li tau siv dav hauv kev ua textile.

Raws li kev tsim qauv, cov roj silicone thiab hloov cov kua silicone tuaj yeem muab tau:

Mos tes hnov

Ua kom du

Lubricity

Kev tiv thaiv nto

Txhim kho ntaub tuav

Kev tiv thaiv dej hauv qee qhov system

Cov txheej txheem textile sib txawv xav tau cov qauv silicone sib txawv.

Piv txwv li, textile softener tsis tas yuav hloov pauv nrog cov khoom siv silicone tsim feem ntau rau kev lag luam lubrication.

Yog tias lub hom phiaj yog ib qho kev xav ntawm tes, cov qauv silicone thiab cov qauv feem ntau muaj teeb meem ntau dua li tsuas yog xaiv cov viscosity siab dua lossis qis dua.

5. Roj hmab thiab yas ua

Silicone roj kuj tseem siv tau rau hauv cov roj hmab thiab cov yas ua cov khoom siv, cov roj nplua nyeem, cov khoom tso tawm, lossis cov khoom hloov pauv.

Nws siv tuaj yeem pab txhim kho kev coj tus cwj pwm hauv qee cov qauv.

Tab sis kev sib raug zoo yog qhov tseem ceeb.

Silicone roj tsiv teb tsaws tuaj yeem dhau los ua qhov teeb meem yog tias cov khoom siv tsis raug xaiv.

Hauv cov ntawv thov uas cov khoom tiav yuav tsum tau pleev xim, luam tawm, sib txuas, lossis coated, tsis muaj kev tswj hwm kev tsiv teb tsaws ntawm silicone tuaj yeem tsim teeb meem loj hauv qab.

Qhov no yog vim li cas tus neeg yuav khoom lag luam yuav tsum nug:

Cov roj silicone mus qhov twg tom qab ua tiav?

Nws puas tseem nyob hauv cov qauv?

Nws puas migrate rau saum npoo?

Nws puas evaporate?

Nws puas cuam tshuam rau lwm yam khoom?

Cov lus nug no feem ntau muaj txiaj ntsig ntau dua li tsuas yog thov rau daim ntawv qhia cov ntaub ntawv.

6. Kev siv hluav taws xob thiab hluav taws xob

Qee cov kua dej silicone yog siv rau hauv cov khoom siv hluav taws xob thiab hluav taws xob vim tias cov khoom siv silicone- tuaj yeem muab cov khoom siv hluav taws xob zoo thiab thermal stability.

Cov ntawv thov muaj peev xwm muaj xws li:

Hluav taws xob rwb thaiv tsev systems

Cov khoom siv hluav taws xob

Cov kua dej damping

Kev siv cua sov

Cov khoom siv hluav taws xob tshwj xeeb

Txawm li cas los xij, purity thiab volatility tuaj yeem dhau los ua qhov tseem ceeb hauv cov ntawv thov no.

Tus nqi qis -cov roj silicone roj yuav tsis haum rau daim ntawv thov hluav taws xob rhiab heev.

Tus neeg yuav khoom yuav tsum qhia meej meej txog qib uas yuav tsum tau ua ua ntej sib piv cov nqi.

7. Kev siv tsheb

Silicone- cov kua dej raws li siv tau hauv cov ntawv thov tsheb xaiv qhov twg cov khoom xws li kub tsis kam, lubrication, damping, lossis tso tawm yuav tsum tau ua.

Cov ntawv thov yuav suav nrog qee yam:

Cov ntsaws ruaj ruaj

Cov khoom siv roj hmab

Damping systems

Lubrication systems

Cov txheej txheem tsim khoom

Automotive cov neeg siv khoom feem ntau xav tau ntau tshaj li cov qauv roj silicone roj.

Nyob ntawm daim ntawv thov, lawv yuav xav tau:

Tsis tu ncua viscosity

Tsawg volatility

Thermal stability

Ntev - lub sij hawm aging kuj

Compatibility nrog elastomers

Tswj impurities

Batch-rau-batch sib xws

Rau kev tsim tsheb, kev sib xws yog feem ntau tseem ceeb tshaj qhov sib txawv me me ntawm tus nqi yuav khoom.

Kev xaiv roj Silicone: Cov neeg yuav khoom yuav tsum saib dab tsi?

Thaum yuav cov roj silicone, kuv xav kom saib dhau lub npe khoom.

Nov yog cov ntsiab lus tseem ceeb los sib piv.

1. Viscosity

Qhov no feem ntau yog thawj qhov tshwj xeeb cov neeg yuav khoom pom.

Tab sis ib txwm paub meej tias:

Ntsuas kub

Txoj kev ntsuas

Viscosity kam rau ua

Ib yam khoom piav qhia yooj yim li "100 cSt silicone roj" tsis qhia koj txhua yam.

2. Kev ntshiab

Rau cov ntawv thov kev lag luam dav dav, cov qauv kev lag luam- cov ntaub ntawv qib yuav txaus.

Rau cov kev siv rhiab heev, yuav tsum tau purity siab dua.

Nyob ntawm kev siv kawg, cov neeg yuav khoom yuav tsum xav txog:

Cov ntsiab lus tsis muaj zog

Residual compounds

Tshawb nrhiav impurities

Hlau paug

tsw

Xim

Tsis txhob them rau siab purity yog tias koj daim ntawv thov tsis xav tau.

Tab sis tsis txhob yuav tus nqi qis -tus nqi dav dav- hom phiaj qib rau daim ntawv thov uas muaj kev sib kis tuaj yeem ua rau kim tsis ua haujlwm.

3. Kev ruaj ntseg kub

Silicone roj yog paub txog qhov kub thiab txias stability.

Tab sis "silicon roj muaj qhov ua kom sov zoo" yog qhov dav dav uas yuav pab tau rau kev txiav txim siab engineering.

Kev ua tau zoo tiag tiag nyob ntawm:

Molecular qauv

viscosity

Lub sij hawm nphav raug

Kub

Oxygen raug

Kev thov ib puag ncig

Ib txwm ntsuas qhov kev ua haujlwm tiag tiag es tsis yog tso siab rau cov lus tshaj tawm kev lag luam.

4. Nto Ntog

Tsawg qhov nro yog ib qho laj thawj ntawm cov kua dej silicone muaj txiaj ntsig zoo hauv kev sib kis, tso tawm, hloov pauv hloov pauv, thiab tswj ua npuas dej.

Txawm li cas los xij, qhov qis ntawm qhov nro tsis yog ib txwm zoo dua.

Rau cov txheej thiab cov nplaum, kev sib kis ntau dhau los yog qhov chaw tsiv teb tsaws tuaj yeem ua rau muaj teeb meem.

Ntxiv dua thiab, cov cuab yeej zoo nyob ntawm daim ntawv thov.

5. Kev sib haum xeeb

Qhov no yog ib qho tseem ceeb tshaj plaws thiab ib qho ntawm feem ntau tsis saib xyuas.

Ua ntej yuav cov roj silicone, sim nws compatibility nrog:

Roj hmab

Yas

Resin

Pigment

Adhesive

Txheej

Solvent

Lwm cov roj

Cov tshuaj ntxiv

Cov roj silicone tuaj yeem ua tau zoo heev thiab tseem ua tsis ncaj rau koj cov qauv.

Feem ntau yuam kev thaum muas Silicone Roj

yuam kev 1: Xaiv los ntawm nqe xwb

Silicone roj yog kev lag luam sib tw.

Tej zaum yuav muaj tus neeg muag khoom pheej yig dua.

Tab sis cov khoom pheej yig tshaj tuaj yeem dhau los ua kim yog tias nws ua rau:

Ntau lawm instability

Qhov chaw paug

Ntau qhov pov tseg

Kev ntxuav ntau dua

Cov khoom tsis sib xws

Cov neeg siv khoom tsis txaus siab

Rau cov khoom lag luam, tus nqi tiag tiag tsis yog tus nqi yuav khoom xwb.

Nws yog tustag nrho cov nqi ntawm kev siv cov khoom siv.

yuam kev 2: Xaiv los ntawm Viscosity Ib leeg

Ob 1,000 cSt silicone roj los ntawm cov chaw muag khoom sib txawv yuav tsis ua raws nraim tib yam hauv ib daim ntawv thov.

Viscosity yog ib qho tseem ceeb, tab sis nws tsis yog tag nrho cov khoom specification.

Saib tag nrho cov ntaub ntawv qhia kev.

yuam kev 3: Piv txwv tias tag nrho cov roj silicone yog sib hloov

Lawv tsis yog.

Cov qauv silicone sib txawv tuaj yeem muaj qhov sib txawv:

Nto khoom

Kev sib haum xeeb

Kev tsiv teb tsaws chaw

Volatility

Lubrication kev ua tau zoo

Tso cov yam ntxwv

Tus neeg muag khoom yuav tsum tuaj yeem piav qhia qhov ua rau nws cov khoom tsim nyog rau koj daim ntawv thov.

Yog tias lo lus teb tsuas yog "vim tias nws yog cov roj silicone," uas tsis txaus.

yuam kev 4: Tsis quav ntsej cov txheej txheem hauv qab

Qhov no tseem ceeb tshwj xeeb hauv kev tsim khoom.

Cov roj silicone yuav ua haujlwm zoo kawg nkaus thaum thawj kauj ruam ntawm kev tsim khoom tab sis tsim teeb meem hauv kauj ruam tom ntej.

Piv txwv li:

Moulding → Ntxuav → Printing → Adhesive bonding

Cov khoom siv silicone uas muab cov pwm tso tawm zoo tom qab yuav ua rau kev luam ntawv lossis kev sib txuas nyuaj dua.

Yog li ntawd, cov khoom raug yuav tsum tau soj ntsuam thoob plaws hauv lubtag nrho cov txheej txheem tsim khoom, tsis yog ib kauj ruam ntau lawm.

Silicone Roj tsis zoo ib yam li Silicone Roj Hmab

Qhov kev sib txawv no yog qhov tseem ceeb rau cov neeg yuav khoom tshiab rau cov khoom siv silicone.

Silicone rojyog cov khoom siv silicone ua kua, feem ntau siv rau lubrication, tso tawm, hloov kho, ua, thiab lwm yam kev siv.

Liquid Silicone Roj Hmab (LSR)yog ib qho reactive ob-cov khoom siv silicone elastomer tsim los kho rau hauv cov khoom siv roj hmab.

LSR feem ntau yog siv rau:

Txhaj tshuaj molding

Cov khoom siv kho mob

Automotive qhov chaw

Cov ntsaws ruaj ruaj

Gaskets

Cov khoom siv

Precision silicone Cheebtsam

Txawm hais tias ob qho khoom siv yog silicone-raws li, lawv cov chemistry, kev ua, thiab kev siv kawg tuaj yeem sib txawv kiag li.

Tus neeg yuav khoom nrhiav LSR yuav tsum tsis txhob nug tus neeg muag khoom roj silicone rau "siab-viscosity silicone."

Ib yam li ntawd, daim ntawv thov roj silicone tsis tuaj yeem xav tau LSR cov khoom.

Kev nkag siab txog qhov sib txawv no tuaj yeem tiv thaiv kev yuav khoom kim heev.

Yuav Ua Li Cas Xaiv Cov Khoom Siv Roj Silicone

Rau cov neeg siv khoom lag luam, kev xaiv tus neeg muag khoom yuav tsum mus dhau tus nqi.

Kuv xav kom kuaj tsib yam.

1. Cov khoom sib xws

Tus neeg muag khoom puas tuaj yeem khaws cov viscosity zoo ib yam los ntawm batch mus rau batch?

2. Kev pab txhawb nqa

Lawv puas tuaj yeem pab koj daws qhov teeb meem ntawm daim ntawv thov ntau dua li tsuas yog xa cov lus hais?

3. Kev paub txog kev siv

Tus neeg muag khoom puas nkag siab koj txoj kev lag luam?

Daim ntawv thov textile, daim ntawv thov tsheb, thiab kev tsim tshuaj lom neeg yuav xav tau kev txhawb nqa kev sib txawv heev.

4. Cov ntaub ntawv

Tus neeg muag khoom puas tuaj yeem muab qhov cuam tshuam:

Cov ntaub ntawv Technical

Daim ntawv qhia kev nyab xeeb

Certificate of Analysis

Cov ntaub ntawv zoo

Cov ntaub ntawv tswj xyuas qhov twg siv tau

5. Cov qauv kuaj

Ib tus neeg xa khoom zoo yuav tsum txaus siab los txhawb kev xeem ntawv.

Cov qauv kuaj yog qhov muaj txiaj ntsig, tab sis qhov kev sim tiag tiag yog qhov tshwm sim thaum cov khoom nkag mus rau koj cov kab ntau lawm.

Kev xav zaum kawg: Yuav Silicone Roj rau daim ntawv thov, Tsis yog lub npe

Silicone roj yog ntau yam khoom siv, tab sis versatility kuj tuaj yeem tsim kev tsis meej pem.

Muaj ntau qib, viscosities, formulations, thiab daim ntawv thov yuav tsum tau.

Qhov loj tshaj kev yuav khoom yuam kev yog xav tias "silicon roj" yog ib qho khoom lag luam.

Nws tsis yog.

Cov roj silicone zoo nyob ntawm seb koj tab tom ua kom tiav:

Lubrication? Tso tawm? Defoaming? Textile softness? Kev hloov kho saum npoo? Kev pab cuam? Hluav taws xob rwb thaiv tsev?

Thaum daim ntawv thov meej meej, cov khoom specification yuav yooj yim dua los txhais.

NtawmTSIS MUAJ SILICONE, peb ntseeg tias kev xaiv cov khoom siv yuav tsum pib nrog daim ntawv thov ntau dua li cov khoom npe.

Yog tias koj tab tom ntsuas cov roj silicone rau ib txoj haujlwm tshiab, hloov cov chaw muag khoom, lossis muaj kev sib raug zoo lossis cov teeb meem kev ua haujlwm, nws yog qhov zoo los tham txog cov ntawv thov tiag tiag ua ntej.

Qhia rau peb paub tias koj tab tom sim ua tiav, qhov viscosity koj tam sim no siv, cov ntaub ntawv koom nrog, thiab cov xwm txheej ntau lawm.

Qee zaum qhov kev daws teeb meem zoo tshaj plaws yog cov roj silicone sib txawv.

Qee zaum nws yog qhov sib txawv viscosity.

Thiab qee zaum, ncaj ncees heev,silicone roj tsis yog cov khoom siv tiag tiag.

Tias yog vim li cas daim ntawv thov -raws li kev xaiv cov khoom tseem ceeb.

ANYSIL SILICONE - Silicone Material Solutions for Industrial Applications.