Matambudziko ehutano anogara ari njodzi huru yakavanzika kuvanhu.Saamai vane pamuviri, chinhu chinonyanya kukosha kugadzirira zvinodiwa zuva nezuva kuti mwana azvarwe.silicone teether, chii chinonzi silicone? Yakachengeteka here kushandisa?

Silicone teether inogadzirwa ne-chikafu-giredhi silica gel, iyo isina bisphenol A, uye isingatyoke, kubvarura simba, kusimba, kuramba kutsvuka, kupisa kuchembera uye kusagadzikana kwemamiriro ekunze.

BPA yemahara isiri-chepfu inodziya inonyaradza ruoko rwakapfava rusingapindi mvurasilicone mucheche teething mittens

Kazhinji kutaura, silica gel inogona kupatsanurwa kuita organic silica gel uye inorganic silica gel zvichienderana neayo midziyo uye zvikamu.

Inorganic silica gel

Inorganic silica gel imhando yeanonyanya kushanda adsorption zvinhu, izvo zvinowanzo gadzirirwa nekuita kwe sodium silicate ine sulfuric acid uye nhevedzano yemashure ekurapa maitiro senge kuchembera uye acid bubbles.Silica gel is amorphous substance, uye makemikari ayo. fomula is mSiO2.NH2O.Isingagadziriswi mumvura uye chero ipi zvayo inonyungudutsa, isina-chepfu isina kunaka, makemikari emakemikari anogadzikana, kunze kwegasi rakasimba, hydrofluoric acid uye hapana chekuita nechinhu chero chipi zvacho.

Mhando dzakasiyana-siyana dzesilica gel dzine zvimiro zvakasiyana-siyana zve microporous nekuda kwemaitiro avo akasiyana-siyana ekugadzira.Chikamu chemakemikari uye chimiro chemuviri chesilica gel chinotarisa kuti ine zvimwe zvakawanda zvakafanana zvinhu zvakaoma kutsiva maitiro: high adsorption performance, thermal stability, chemical stability, ine high mechanical simba, nezvimwewo, imba inoshandiswa se desiccant, humidity regulator, deodorant, etc.Industry semafuta hydrocarbon decolorization agent, catalyst carrier, variable pressure adsorbent;Fine chemical separation and purification agent, doro stabilizer, paint thickener, toothpaste friction. agent, extinction agent.

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Organic silicone

Silicone imhando ye organosilicon musanganiswa, inoreva ine iyo Si-C bond, uye ingangoita boka rimwe organic rakabatana zvakananga nemaatomu esilicon emukomboni, tsika inowanzova iyo kuburikidza neokisijeni, sarufa, nitrogen, nezvimwe. iyo, polysiloxane, iyo inoumbwa nesilicon okisijeni bond (-si-o-si -) seskeleton, ndiyo yakawanda kwazvo, yakanyatsodzidza uye inonyanya kushandiswa yemhando ye organosilicone makomisheni, inoverengera inopfuura 90% ye chiyero chose.

Organosilicon inonyanya kukamurwa kuita zvikamu zvina: silicone rabha, silicone resin, mafuta esilicone uye silane coupling agent.

Chinhu chikuru chesilica gel is silica dioxide, iyo ine yakagadzikana makemikari ehupfumi uye haipisi.Silica gel imhando yeamorphous silicon dioxide, inofanira kudzorwa workshop guruva inokwana kwete kupfuura 10 mg / m3, inoda kusimbisa mhepo inopera. , oparesheni pfeka mask.

Silica gel ine simba rakasimba rekudsorption, inogona kuunza yakaoma paganda remunhu, saka, kushanda kunofanira kupfeka zvipfeko zvakanaka zvebasa. .

Bhuruu silica gel ine shoma cobalt chloride, ane zvinogona toxicity, vanofanira kudzivisa kusangana nechikafu uye inhalation mumuromo, akadai chepfu zviitiko vanofanira pakarepo kutsvaka kurapwa.

Silica gel mukushandiswa kwemaitiro nekuda kwekushambadza kwemhute yemvura kana zvimwe organic zvinhu mukati mepakati, adsorption kugona kwakadzikira, inogona kushandiswa zvakare mushure mekuzvarwa patsva.