Zvechokwadi zvinoenderana National Melamine Dinnerware mureza tableware, unogona kuva nechivimbo chokuti melamine uye formaldehyde paakasangana kubereka melamine zvinhu, maitiro kusingarapiki maitiro, haazorambi kamwe zvakare kudzosera melamine kana formaldehyde, asi iri maitiro, formaldehyde ndiwo kunyanyisa ( Zvaakazoita mamiriro waida), zvichiguma maitiro yapera shoma vakasununguka formaldehyde ari acho, asi munguva arambe basa processing zvimwe vakasununguka formaldehyde achasunungura chikamu, kuchine chikamu kuvapo zvigadzirwa, muedzo vanokodzera (akasununguka Formaldehyde vaitamira asingasviki 15 ㎎ / ㎏, EU mureza), unogona kuva chinhu, kupinda tafura yedu.
Xinhua News Agency, American Medical Association, "Medical Medicine" magazini achangobva zvakabudisa tsvakurudzo mushumo kuti melamine sechinhu mbishi mashoko kugadzirwa tableware kupisa mukuru muitiro, achaita kuregedza makemikoro, pamwe zvokudya munzvimbo muviri womunhu.
Vaongorori yasarudzwa mapoka maviri utano akura varume nevakadzi sezvo chinangwa kudzidza ukuwo, saka kuti vashandise melamine ndiro uye zvedongo ndiro chikafu rinodyiwa. Mumaawa 12 kudya, vatsvakurudzi akaedzwa zvavo weti.
Zvabuda akaratidza kuti kushandisa Melamine Dinnerware boka zvidzidzo, avhareji melamine zviri weti imwe boka 6.4 nguva.
Kudzidza haana kuongorora matambudziko melamine utano hwevanhu, kubva Forogo, Banga Nechipunu iri melamine iri refu zvakaipa utano hwevanhu hazvigoni yasimbiswa. Nyanzvi akataura kuti mucheche itsvo basa richiri simba, saka kwenguva refu yakaderera-dose yaunodya kuti melamine kukuvadza nyore zvavo renal ushande.
Melamine chinhu makemikari remubatanidzwa zvinowanzoshandiswa coatings, mapurasitiki, Pharmaceuticals, Textiles nezvimwe minda. Sezvo chigadzirwa kutonhora nokupisa nemishonga zvakanaka, Anti donhwe yakasimba, kwete nyore kuti ipere, melamine sezvo huru mbishi zvinhu titevedzere porcelain tableware.
Vatsvakurudzi vakati zvokurapa pamusoro melamine kungaita kuti kwenguva refu zvoutachiona Migumisiro vanofanira kuramba tsvakurudzo.
Melamine formaldehyde nebwe pachayo dzisiri chepfu, asi melamine formaldehyde nebwe ine imwe mari vakasununguka formaldehyde, muna microwave nemwaranzi achava anononoka kusunungura, saka kuti kuchengeteka, kushandisa melamine nebwe zvakagadzirwa midziyo vachapiwa anozivikanwa "haigoni aiswe microwave "The rengoni yambiro. Asi zvinosuruvarisa: Maererano panzvimbo macheki, musika mutengo 13.000 kusvika 14,000 Currencykuva / tani kuti melamine nebwe mashoko pagadzirwe chenhando porcelain tableware asingasviki 20%. With mutengo 5,000 Currencykuva / tani kuti urea-formaldehyde nebwe pachinzvimbo, anenge pamutemo kugadzirwa porcelain tableware indasitiri tacit "mitemo yakavanzwa."
Urea-fOrmaldehyde nebwe (UF)
Urea vhiniga nebwe (kureva urea formaldehyde nebwe) ndiyo urea uye formaldehyde nokuwedzera polymerization maitiro thermosetting nebwe. The nemamiriro chigadzirwa achiri kunzwisisa, zvakananga uwandu urea uye formaldehyde, maitiro hurongwa ph, maitiro tembiricha, nguva uye dzimwe ezvinhu. The urea-formaldehyde nebwe, izvo synthesized kubudikidza chinyakare dzidziso, iri kazhinji rakakamurwa muzvikamu zviviri. Danho rokutanga paumbwe methylol urea, inova Kuwedzera kuita rwakazara. Chechipiri Danho nebwe ndiko polycondensation kuita rwakazara.
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Post nguva: Jun-02-2017