Cov teeb meem kev noj qab haus huv yeej ib txwm yog qhov kev phom sij loj tshaj plaws rau tib neeg.Raws li ib tug expectant niam, qhov tseem ceeb tshaj plaws yog npaj cov khoom siv niaj hnub rau tus me nyuam yug tom ntej.Koj puas tau xaiv tag nrho cov khoom me nyuam? Yam khoom siv twg yog qhov zoo tshaj plaws, peb yuav tsum tau hnov ​​​​txogsilicone teether, Silicone ua dab tsi? Nws puas muaj kev nyab xeeb dua?

Silicone teether yog tsim los ntawm cov khoom noj khoom haus qib silica gel, uas tsis muaj bisphenol A, thiab yuav tsis tawg, tsim kua muag lub zog, ua kom muaj zog, tiv taus daj, kub laus thiab huab cua tsis kam.

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Feem ntau hais lus, silica gel tuaj yeem muab faib ua cov organic silica gel thiab inorganic silica gel raws li nws cov khoom thiab cov khoom.

Inorganic silica gel

Inorganic silica gel yog ib yam khoom siv adsorption zoo heev, uas feem ntau yog npaj los ntawm cov tshuaj tiv thaiv ntawm sodium silicate nrog sulfuric acid thiab cov txheej txheem tom qab kev kho mob xws li kev laus thiab cov kua qaub npuas.Silica gel yog cov tshuaj amorphous, thiab nws cov tshuaj. Cov mis yog mSiO2.NH2O.Insoluble hauv dej thiab cov kuab tshuaj, tsis muaj tshuaj lom tsis muaj kuab lom, cov khoom siv tshuaj lom neeg ruaj khov, tshwj tsis yog lub hauv paus muaj zog, hydrofluoric acid thiab tsis muaj tshuaj tiv thaiv nrog cov tshuaj.

Ntau hom silica gel muaj cov qauv microporous sib txawv vim lawv txoj kev tsim khoom sib txawv.Cov tshuaj tiv thaiv thiab lub cev qauv ntawm silica gel txiav txim siab tias nws muaj ntau lwm yam khoom zoo sib xws yog qhov nyuaj los hloov cov yam ntxwv: kev ua haujlwm siab adsorption, thermal stability, tshuaj stability, muaj lub zog txhua yam, thiab lwm yam, hauv tsev siv los ua desiccant, humidity regulator, deodorant, etc.Industry as oil hydrocarbon decolorization agent, catalyst carrier, variable pressure adsorbent; Fine chemical separation and purification agent, npias stabilizer, xim thickener, tshuaj txhuam hniav txhuam tus neeg sawv cev, extinction agent.

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Organic silicone

Silicone yog ib hom organosilicon compound, yog hais txog muaj cov Si-C daim ntawv cog lus, thiab tsawg kawg yog ib pawg organic ncaj qha txuas nrog silicon atoms ntawm cov compound, cov kev cai feem ntau yog cov los ntawm oxygen, sulfur, nitrogen, thiab lwm yam. lawv, polysiloxane, uas yog tsim los ntawm silicon oxygen daim ntawv cog lus (-si-o-si -) raws li lub cev pob txha, yog qhov ntau heev, feem ntau kawm thiab feem ntau siv hom organosilicone compounds, accounting rau ntau tshaj 90% ntawm cov tag nrho cov koob tshuaj.

Organosilicon feem ntau muab faib ua plaub pawg: silicone roj hmab, silicone resin, silicone roj thiab silane coupling tus neeg sawv cev.

Lub ntsiab tivthaiv ntawm silica gel yog silica dioxide, uas muaj cov tshuaj ruaj khov thiab tsis kub hnyiab.Silica gel yog ib hom amorphous silicon dioxide, yuav tsum tau tswj cov rhiav plua plav cov ntsiab lus tsis pub tshaj 10 mg / m3, yuav tsum tau ntxiv dag zog rau cov pa tawm. , kev ua haujlwm hnav lub npog ntsej muag.

Silica gel muaj lub peev xwm adsorption muaj zog, tuaj yeem tsim cov nyhuv qhuav ntawm daim tawv nqaij ntawm tus neeg, yog li ntawd, kev ua haujlwm yuav tsum hnav cov khaub ncaws ua haujlwm zoo.Yog tias cov silicone nkag mus rau hauv lub qhov muag, yaug nrog dej kom ntau thiab mus ntsib kws kho mob kom sai li sai tau. .

Blue silica gel muaj ib tug me me ntawm cobalt chloride, muaj peev xwm toxicity, yuav tsum tsis txhob sib cuag nrog cov zaub mov thiab nqus tau pa nyob rau hauv lub qhov ncauj, xws li tshuaj lom neeg yuav tsum tam sim ntawd nrhiav kev kho mob.

Silica gel hauv kev siv cov txheej txheem vim yog adsorption ntawm dej vapor lossis lwm yam khoom siv hauv nruab nrab, qhov muaj peev xwm adsorption poob qis, tuaj yeem rov siv dua tom qab tsim dua tshiab.