Cov microspheres hollow cenospheres rau cov sealants thiab cov nplaum kub siab

Cov cenospheres muaj peev xwm ua ntau lub luag haujlwm hauv cov sealant thiab cov nplaum kub. Cenospheres yog cov pob me me, cov pob khoob uas muaj silica thiab alumina, uas feem ntau tau txais los ntawm kev hlawv thee hauv cov chaw tsim hluav taws xob. Thaum muab tso rau hauv cov sealant thiab cov nplaum, cenospheres tuaj yeem muab ntau yam txiaj ntsig, tshwj xeeb tshaj yog nyob rau hauv high-temperature applicationsNov yog qee lub luag haujlwm uas lawv ua:

Kev rwb thaiv tsev kub: Cov cenospheres muaj cov khoom rwb thaiv tsev zoo heev vim lawv cov qauv hollow. Thaum ntxiv rau cov sealants thiab cov nplaum, lawv tsim ib qho thaiv uas txo cov cua sov hloov pauv, yog li pab tiv thaiv cov substrate lossis pob qij txha los ntawm qhov kub siab. Cov khoom rwb thaiv tsev no yog qhov tshwj xeeb tshaj yog rau cov ntawv thov uas xav tau kev txo qis cua sov dissipation.

Txo qhov ceev: Cenospheres yog lub teeb yuag, uas txhais tau tias lawv tuaj yeem txo qhov ceev ntawm cov sealants thiab cov nplaum thaum muab tso rau hauv lawv cov formulations. Qhov kev sib zog no yog qhov xav tau hauv cov ntawv thov uas qhov hnyav ntawm cov khoom siv yuav tsum tau txo qis, xws li hauv kev siv aerospace lossis automotive.

Kev txhim kho rheology: Kev ntxiv cov cenospheres tuaj yeem txhim kho cov khoom rheological ntawm cov sealant kub siab thiab cov nplaum. Lawv ua haujlwm ua cov neeg sawv cev thixotropic, uas txhais tau tias lawv tuaj yeem pab tswj cov dej ntws thiab viscosity ntawm cov khoom. Cov yam ntxwv no tso cai rau cov sealant lossis nplaum kom yooj yim thov, nthuav dav, thiab lo rau ntawm qhov chaw thaum tswj nws cov duab thiab kev ruaj khov.

Cov khoom siv kho tshuab zoo dua: Cov cenospheres tuaj yeem txhim kho lub zog kho tshuab thiab kev cuam tshuam ntawm cov sealants thiab cov nplaum. Thaum muab tso rau hauv, lawv tuaj yeem txhawb cov khoom siv, txhim kho nws txoj kev tiv thaiv kev ntxhov siab thiab kev hloov pauv. Cov cuab yeej txhawb nqa no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov kub siab uas cov khoom siv yuav raug rau thermal cycling lossis kev ntxhov siab kho tshuab.

Kev tiv thaiv tshuaj lom neeg: Cov cenospheres muaj kev tiv thaiv tshuaj lom neeg zoo, ua rau lawv haum rau cov ntawv thov uas cov sealant lossis cov nplaum yuav tsum tiv taus kev raug ntau yam tshuaj lom neeg, kua qaub, lossis alkalis. Lawv tuaj yeem pab txhim kho kev tiv thaiv tshuaj lom neeg ntawm cov khoom, txhim kho nws lub zog thiab lub neej ntev.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lub luag haujlwm tshwj xeeb thiab cov txiaj ntsig ntawm cenospheres hauv cov sealants kub thiab cov nplaum yuav txawv nyob ntawm cov qauv, daim ntawv thov, thiab lwm yam khoom siv siv ua ke nrog lawv.