Kwakhona kuthiwa yi-chloroethylene, i-ethylene monochloride, okanye i-monochloroethylene, i-vinyl chloride iyigesi echanekayo okanye i-liquide ephosakeleyo. I-vinyl chloride yintengo eyenziwe ngumntu. Ayenzeki ngokwemvelo kwimeko.
Ukusetyenziswa
Kwada kwaphakathi kwamashumi asixhenxe, i-vinyl chloride yayisetyenziswe kwimveliso eyahlukeneyo yabathengi, kubandakanywa izimonyo, njengesiqhelo kwiinkampani ze-aerosol, kunye ne-cooler.
Namhlanje, i-vinyl chloride isetyenziswa kakhulu ukwenza i-polym ebizwa ngokuba yi-polyvinyl chloride (PVC). I-PVC ifunyenwe kwimveliso yeplastiki eyahlukeneyo, kubandakanywa ukufakelwa kwe-wire kunye nezinto zokupakisha.
I-vinyl chloride isetyenziswe ekuveleni izihlunu ze-cigarette.
Indlela i-Vinyl Chloride ifumana ngayo kwiBhunga laBantu
I-vinyl chloride ngokuqhelekileyo ingena emzimbeni womntu ngokufuthwa:
- Umoya ophumayo kufuphi neendawo ezinobungozi ezinobungozi / iindawo zokuthungelwa komhlaba apho iimveliso zeplastiki zilahla iimveliso zkunkuma.
- Ukuphefumula umoya kwindawo yokusebenzela engcolileyo apho iiplastiki ziveliswa okanye zisetyenziswe.
- Ukubhema ugwayi okanye umsi wecuba.
Ngokuqhelekanga, i-vinyl chloride ingacinywa xa umntu esela amanzi kumthombo ongcolileyo.
I-Vinyl Chloride kwiiCigarettes
I-chinyide ye-vinyl itholakala kumabini aphantsi kunye noomsi wesibindi kumanqanaba aphantsi, ngokuqhelekileyo ama-nanogram engama-5 ukuya kwe-30 ngecuba (i-nanogram ingu-0.000000001 gram).
Izifundo zokubakho kwexesha elide kwi-vinyl chloride kwizilwanyana ziye zabonisa ukuba umdlavuza wesibindi kunye nomnxeba we-mammary unganda xa amanqanaba aphantsi kakhulu e-vinyl chloride ekhona emoyeni (50 ppm).
Ngelixa singayazi umsila we-cigaretti obangelwayo ukuthabatha ukubonakalisa izingozi zezempilo ze-vinyl chloride, siyazi ukuba unomdla kumhlaza kwaye awuphilileyo ukuphefumula kunanoma kukuphi.
Mngcipheko we zeMpilo
Imingcipheko yempilo yokutyhila kwi-vinyl chloride kuxhomekeke kwizinto eziliqela:
- Isixa lowo mntu wabonakala kuso.
- Ubume bokungabikho.
- Ubungakanani bokwehla nganye.
- Uhlobo lokungcola; inhalation okanye ukungena.
Ezinye izinto ezifanele ziqwalaselwe zibandakanya ukuba ngaba zikhona ezinye iikhemikhali ezikhoyo ngexesha lokuchasana ne-vinyl chloride, kunye nobudala, isondo, ukutya kunye nempilo yonke yomntu ovezwe.
Xa i-vinyl chloride ingena egazini, iya kwisibindi, apho iguqulelwa ibe yinto ethile.
I-vinyl chloride ngokwawo ishiya umzimba ngaphakathi kwimihla ngemiva, kodwa izinto eziveliswe esibindi zithatha ixesha elide ukuba ziphume emzimbeni. Ezinye zazo ziyingozi kakhulu kwimpilo yabantu ngaphezu kwe-vinyl chloride ngenxa yokuba zisabela ngeekhemikhali eziqhelekileyo ezikhoyo emzimbeni kwaye zitshintsha indlela ezisetyenziselwa ngayo / ezasabela kwi-physiologically.
IVinyl iCloride neCanscer
I-vinyl chloride inokunyusa umngcipheko wokuphuhlisa inani lamanomdlavuza, kuquka:
- Umhlaza wesifo
- Umhlaza wengqondo
- Umhlaza wemiphunga
- Lymphoma
- Leukemia
ISebe leMelika lezeMpilo kunye neeNkonzo zoLuntu, i-International Agency of Research on Cancer, kunye ne-United States yokuThengiswa kweMvelo yonke i-vinyl chloride njenge-carcinogen eyaziwa ngabantu.
Okunye malunga neKhemikhali kwiSigarette smoke
Okwangoku, uphando lufumene iikhemikhali ezili-7,000, kuquka i-250 i-poisonous, kunye nama-70 e-carcinogen compounds in smoke smoke, kwaye ngokuqinisekileyo iya kubonakalisa ngakumbi kwixesha elizayo.
Ukuba utshaya, nceda uqale uhambo olusindisa ubomi lokuyeka ukutshaya . Musa ukulibazisa. Qalisa kwiprogram yakho yokuyeka ngoku. Awuyi kuzisola.
> Umthombo:
I-Arhente yeZifo eziNobungozi kunye neZibhalisi zeZifo zoLuntu. I-Vinyl Chloride. http://www.atsdr.cdc.gov/toxprofiles/tp20-c1.pdf .