Txhim khu kev qha cov khoom siv ntawm ntub dej

Cov Khoom Siv Kom Txhim Kho Cov Khoom Siv Hluav Taws Xob Uas Muaj Cov Duab Ntus

Cov lus piav qhia luv luv:

Cov tshuaj tiv thaiv ntub dej yog cov tshuaj uas txo qis nro ntawm cov kua, cia nws mus sib kis tau yooj yim dua. Lawv feem ntau yog siv ntau ntawm cov ntawv thov, suav nrog cov zaub mov noj, kev kho kom zoo, dej khov, roj av thiab roj hmab roj hmab thiab cov dej num qib high , thiab ntau lwm yam kev sib xws.

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Khoom Qhia Qhia

Khoom Ntawv

Lub cev thiab tshuaj

Cov neeg sawv cev ntub dej, ib hom polyorganosiloxane nrog cov qauv saw hlau qauv ntawm cov qib sib txawv, ua haujlwm ua ib qho tsis txaus ntseeg uas ntub dej. Nws yog tsim los ntawm hydrolysis ntawm dimethylorichlorane thiab dej kom tau txais lub nplhaib thawj zaug. Lub nplhaib tau tawg, kho kom pom zoo los tsim lub nplhaib siv hluav taws xob tsawg, thiab ua ke nrog lub taub hau tus neeg sawv cev hauv lub taub hau thiab catalyst rau polymerization. Cov txheej txheem no tau ua rau muaj ntau haiv neeg ntub dej sib xyaw ua ke nrog sib txawv ntawm polymerization. Lub rhaub dej npau npau tsawg yog tshem tawm los ntawm lub tshuab nqus tsev kom tau txais cov neeg ntub dej kawg.

Sib nrug los ua ib tug neeg ntub dej, Silicone roj muaj plethora ntawm lwm cov nta thiab kev siv. Nws yog nquag siv los ua tus tiv thaiv kev lag luam xws li kev ua zaub mov, kev tsim tshuaj pleev ib ce, thiab ntawv thov. Los ntawm kev txo cov npuas ua kom zoo, cov roj silicone txhim kho cov txheej txheem ntau lawm. Ib qho ntxiv, nws tau siv raws li cov khoom tseem ceeb hauv kev tsim cov khoom cob teev ua si silicone thiab silicone roj hmab. Cov ntaub ntawv no nrhiav cov ntawv thov dav raws li cov nplaum, nplaim taws retardant plastics ntxiv cov khoom ntxiv, insulating cov ntaub ntawv raw, thiab ntau dua.

Cov versatility ntawm cov roj silicone yog ua piv txwv ntxiv los ntawm nws txoj haujlwm raws li tus neeg sawv cev ua tiav hauv kev lag luam tawv. Nws pab hauv kev txhim kho cov tsos, kev ntxhib los mos, thiab cov khoom tawv tawv ntawm tawv. Ntxiv mus, hauv ntau lwm cov haujlwm, xws li kev tsim khoom ntawm cov xab npum zoo, nws tsis yog tsuas yog ua kom tseem ceeb rau cov khoom tseem ceeb rau kev tsim thiab cov hom phiaj ruaj khov.

Yam uas pab

(1) Lub viscosity kev ua tau zoo yog qhov zoo tshaj plaws nyob rau hauv cov kua roj nplua nyeem, thiab lub viscosity hloov nyob rau hauv qhov dav dav yog me me. Nws lub ntsiab lus condensate feem ntau tsawg dua -50 ° C, thiab qee qhov yog txog -70 ° C. Nws khaws cia ntev ntev ntawm qhov kub tsawg. Cov tsos thiab viscosity ntawm nws cov khoom roj tsis tau hloov. Nws yog cov roj yooj yim uas yuav siv rau hauv tus nqi siab kub, qis kub, thiab ntau yam kub.

(2) Kev ntsuas hluav taws xob zoo heev, xws li thermal decomposition kub> 300 ° sim tsuas yog 2%), oxidation sim (200 ° C, 72H), Viscosity thiab Acid Tus nqi hloov pauv me me.

(3) rwb thaiv hluav taws xob zoo heev, ntim tsis kam, thiab lwm yam nyob rau hauv qhov kub thiab txias li qub ~ 130 ℃, nws tsis hloov (tab sis cov roj tsis tuaj yeem yog dej).

(4) Nws yog cov tsis yog -foam thiab tsawg -foam thiab muaj zog tiv thaiv roj, uas tuaj yeem siv ua lub muffler.

(5) Zoo heev Shear stability, uas tuaj yeem nqus cov kev co thiab tiv thaiv kev co kis.