Yog vim li cas rau kev ruaj ntseg zoo ntawm polysiloxane khoom

May 31, 2018

Silicone yog ib qho khoom siv ua haujlwm uas ua ke nrog cov khoom siv hauv cev thiab cov organic, tab sis siloxane bonds thiab molecular structure yog tsim cov khoom siab. Lub silicon atom muaj plaub txhais tes. Cov plaub txhais tes muaj cov cuab yeej ntawm txuas lwm lub yeeb tshuaj silicon nrog oxygen ntawm cov pa thiab ua ntev dua. Cov nyiaj no txuas silicon thiab oxygen (- SI - O - Si -) yog hu ua siloxane bond. Ntxiv rau siloxane bonds nyob rau hauv txhais tes ntawm silicon, ntau lub zog yuav imparted los ntawm kev siv methyl pawg, phenyl pawg, lwm pawg organic (tseem hu ua tej pawg neeg), thiab cov zoo li. Vim tias siloxane nyiaj muaj cov qauv zoo tib yam li cov ntaub ntawv xws li iav thiab quartz, lub hwj huam sib luag yog ntau tshaj qhov tseem ceeb ntawm cov organic polymer, C - C bond lossis C - O bond. Yog li, txawm hais tias qhov kub ncav cuag li 200 ° C, nws daim ntawv cog lus tsis so thiab nws yog chemically ruaj, ces nws zoo heev nyob rau hauv tshav kub thiab tiv thaiv huab cua.

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