Ukubuka: 21 Umbhali: Isikhathi Sokushicilela Isihleli Sesayithi: 2022-05-18 Umsuka: Isayithi
I-Methylene chloride, eyaziwa nangokuthi i-dichloromethane (DCM), iyinhlanganisela yemvelo eguquguqukayo enefomula yamakhemikhali i-CH2Cl2. Iwuketshezi olungenambala, oluguquguqukayo olunephunga elimnandi elithambile. I-Methylene chloride isetshenziswa kabanzi ezinhlelweni ezahlukahlukene zezimboni ngenxa yezakhiwo zayo ezihlukile kanye nokuguquguquka.
QIDI CHEM Methylene Chloride COA.pdf
QIDI Chem Methylene Chloride MSDS.pdf
I-Methylene chloride iyi-solvent ephilayo etholakala kugesi ye-methane ngokusebenzisa inqubo ye-chlorination. Yakhiwe ngama-athomu amabili e-chlorine kanye ne-athomu yekhabhoni eyodwa, okuholela kufomula yayo yamakhemikhali engu-CH2Cl2. Le nhlanganisela inephuzu eliphansi lokubilisa, okuyenza ihwamuke kalula lapho izinga lokushisa legumbi, futhi ingawuhambisi ugesi.
I-Methylene chloride ibonisa izakhiwo zamakhemikhali eziningana ezibalulekile, okwenza ibe wusizo ezinqubweni ezihlukahlukene zezimboni. Ezinye zezici zayo ezibalulekile zifaka:
Izakhiwo ze-Solvent: I-Methylene chloride iyisincibilikisi esihle kakhulu sezinto ezihlukahlukene, njengama-resin, amafutha, amafutha, nama-polymers. Isetshenziswa kakhulu kuma-stripper kapende, izisusa zokunamathisela, kanye nama-ejenti okwehlisa amafutha.
I-Volatility: Iphoyinti eliphansi lokubilisa le-methylene chloride liyivumela ukuthi ihwamuke ngokushesha, iyenze ifaneleke izinhlelo zokusebenza ezidinga izikhathi zokumisa ngokushesha.
Ukuzinza: I-methylene chloride izinzile futhi ayisebenzi ngamakhemikhali amaningi, athuthukisa ukusetshenziswa kwayo ezilungiselelweni ezihlukene zezimboni.
Ukuminyana: Le nhlanganisela inokuminyana okuphezulu kunomoya, okungaholela ekuqongeleleni komhwamuko ezindaweni eziphansi.
I-Methylene chloride ithola ukusetshenziswa ezimbonini ezahlukahlukene, kufaka phakathi:
I-Methylene chloride isetshenziswa kakhulu kuma-strippers kapende kanye nezikhipha upende ngenxa yezakhiwo zayo ezisebenzayo zokunyibilikisa. Incibilikisa upende kahle, ivumela ukususwa kalula ezindaweni ezingaphezulu.
Emkhakheni wezokwelapha, i-methylene chloride isetshenziselwa ukukhipha amafutha abalulekile, ama-flavour, kanye nephunga elimnandi ezitshalweni.
I-Methylene chloride isebenza njengengxenye ebalulekile ekwakhiweni kwe-adhesive, yenza kube lula ukuhlangana kwezinto.
Imboni yamakhemikhali isebenzisa i-methylene chloride njengesinyibilikisi sokukhiqiza amakhemikhali ahlukahlukene, okuhlanganisa imithi, amakhemikhali ezolimo, namakhemikhali amahle.
Naphezu kokusetshenziswa kwayo kabanzi, i-methylene chloride idala izingozi ezithile zempilo nokuphepha. Kubalulekile ukulandela imihlahlandlela yokuphepha kanye nezinyathelo zokuphepha lapho uphatha le khompiyutha, okuhlanganisa:
Sebenzisa ezindaweni ezinomoya omuhle ukuze uvimbele ukunqwabelana komhwamuko.
Gwema ukuthinta isikhumba, amehlo, nezingubo. Gqoka izinto zokuzivikela ezifanele (i-PPE) ezifana namagilavu nezibuko.
Gcina i-methylene chloride ezitsheni ezivalwe ngokuqinile, kude nokushisa namalangabi avulekile.
Lahla i-methylene chloride ngendlela efanele, ngokulandela imithetho yendawo.
I-Methylene chloride ingaba nemiphumela emibi emvelweni, ikakhulukazi mayelana nokungcoliswa komoya kanye nokungcoliswa kwamanzi angaphansi komhlaba. Ukuntengantenga kwayo kunomthelela ekwakhekeni kwe-ozone esezingeni eliphansi, into engcolisa umoya eyingozi. Ukwengeza, ukulahlwa ngendlela engafanele kungaholela ekungcolisweni kwemithombo yamanzi.
Ngokucabangela ukuphepha kanye nokukhathazeka kwemvelo okuhlotshaniswa ne-methylene chloride, abacwaningi nezimboni bebelokhu behlola ngenkuthalo ezinye izinyibilikisi nezinqubo. Ezinye ezingase zithathelwe indawo zihlanganisa:
Izinyibilikisi ezisekelwe ku-bio ezitholakala ezinsizeni ezivuselelekayo.
Izinyibilikisi ezisekelwe emanzini ezinciphisa ukukhishwa kwe-VOC.
Amanye ama-solvents angama-organic anobuthi obuncane.
Ama-ejensi ahlukahlukene alawulayo, njenge-Environmental Protection Agency (EPA) kanye ne-Occupational Safety and Health Administration (OSHA), asungule imihlahlandlela namazinga okusetshenziswa ngokuphephile kwe-methylene chloride kuzilungiselelo zezimboni. Ukuthobela le mithethonqubo kubalulekile ukuze kuqinisekiswe inhlalakahle yabasebenzi kanye nemvelo.
Eminyakeni yamuva nje, kube nokukhathazeka mayelana nokusetshenziswa kwe-methylene chloride emikhiqizweni ethile yabathengi, ikakhulukazi ama-stripper opende. Amazwe amaningana athathe izinyathelo zokulawula, okuhlanganisa ukuvimba noma ukukhawulela ukuthengiswa kwale mikhiqizo ukuze kuvikelwe abathengi ezingozini zezempilo ezingaba khona.
Ukuchayeka isikhathi eside ku-methylene chloride kungaholela ezindabeni ezihlukahlukene zezempilo, okuhlanganisa:
Ukucasuka kwesikhumba, amehlo, nesistimu yokuphefumula.
Ikhanda elibuhlungu nesiyezi.
Isicanucanu nokuhlanza.
Ukucindezeleka kwesimiso sezinzwa esimaphakathi.
I-cardiac arrhythmias nezinye izinkinga ezihlobene nenhliziyo.
Kubalulekile ukuthi abasebenzi kanye nabantu ngabanye bazi ngezingozi ezingase zibe khona futhi bathathe izinyathelo zokuphepha ezifanele.
Esimeni sokuchayeka ngengozi noma ukumunca, isenzo esisheshayo siyadingeka. Izinyathelo zosizo lokuqala zingabandakanya:
Ukuyisa umuntu othintekile endaweni enomoya omuhle.
Ukukhipha izingubo ezingcolile kanye nokugeza isikhumba esiveziwe ngamanzi.
Ukufuna usizo lwezokwelapha ngokushesha.
Ukuze kuncishiswe izingozi ezihlobene ne-methylene chloride, ukuphathwa okufanele nokugcinwa kwezinqubo kufanele kulandelwe, njenge:
Ukusebenzisa amasistimu avaliwe noma umoya wokungenisa umoya ukuze uvimbele ukukhishwa komhwamuko.
Ukugcina i-methylene chloride ezindaweni ezikhethiwe kude nezinto ezingahambelani.
Ilebula iziqukathi ngokucacile ukukhombisa okuqukethwe kanye nezingozi ezihlobene.
Kube khona izehlakalo ezimbalwa ezihlobene nokuchayeka kwe-methylene chloride, kokubili kuzilungiselelo zezimboni naphakathi kwabathengi abasebenzisa imikhiqizo equkethe inhlanganisela. Lezi zibonelo zezifundo zisebenza njengezikhumbuzo zokubaluleka kwezinyathelo zokuphepha nokuthobela imithetho.
I-Methylene chloride iyi-solvent ye-organic eguquguqukayo esetshenziswa kabanzi ezimbonini. Kodwa-ke, ukusetshenziswa kwayo kuza nezingozi ezithile kokubili empilweni yomuntu kanye nemvelo. Izinyathelo zokuphepha, ukuphatha okufanele, kanye nokuhlolwa kwezinye izindlela kuyizinyathelo ezibalulekile zokunciphisa lezi zingozi kanye nokuqinisekisa indawo yokusebenza ephephile yawo wonke umuntu.
Ingabe i-methylene chloride iyingozi kubantu?
Yebo, ukuchayeka isikhathi eside ku-methylene chloride kungabangela izinkinga zezempilo, okuhlanganisa ukucasuka kokuphefumula kanye nokucindezeleka kwesimiso sezinzwa esimaphakathi.
Ngingakwazi ukusebenzisa amapheyinti asuselwa ku-methylene chloride ekhaya?
Akunconywa ngenxa yezingozi zezempilo ezihlobene. Ezinye izindlela ezisekelwe emanzini nezinobuthi obuncane ziyizinketho eziphephile.
Yini okufanele ngiyenze uma ngephutha ngichithe i-methylene chloride?
Uma kwenzeka kuchitheka, qinisekisa ukuthi kungena umoya ngendlela efanele, hlanza okuchithekile ngokushesha, futhi ulahle izinto ezingcolile ngokulandela imithethonqubo.
Ingabe i-methylene chloride isasetshenziswa kabanzi ezimbonini?
Nakuba ukusetshenziswa kwayo kwehlile kwezinye izinhlelo zokusebenza ngenxa yokukhathazeka ngokuphepha, i-methylene chloride isalokhu iyincibilikisi ebalulekile ezimbonini ezithile.
Ingabe zikhona ezinye esikhundleni se-eco-friendly ze-methylene chloride?
Yebo, abacwaningi bahlola ngenkuthalo futhi bakha izinto ezibamba indawo eco-friendly ze-methylene chloride. Lezi zindlela ezihlukile zihlose ukuhlinzeka ngezakhiwo ezifanayo zokuncibilikisa ngaphandle kwezingozi ezihambisanayo zempilo nezendawo. Izinyibilikisi ezisuselwa ku-Bio ezitholakala ezinsizeni ezivuselelekayo, njengezincibilikisi ezisekelwe ku-citrus nama-terpenes, ziyaduma ngenxa yobuthi bazo obuphansi kanye nokubola kwazo. Izincibilikisi ezisekelwe emanzini, ezinomthelela oncishisiwe ekukhishweni kwe-volatile organic compound (VOC), nazo ziyamukelwa ezisetshenziswa ezihlukahlukene. Njengoba izimboni nabathengi beqaphela kakhudlwana umthelela wemvelo, isidingo sezinyibilikisi ezilungele imvelo siyaqhubeka sikhula.
I-methylene chloride iyithinta kanjani ungqimba lwe-ozone?
I-Methylene chloride ithathwa njenge-volatile organic compound (VOC), enomthelela ekwakhekeni kwe-ozone esezingeni eliphansi ngokusebenzisa ukusabela kwamakhemikhali emkhathini. I-ozone esezingeni eliphansi iyingxenye enkulu yentuthu futhi ingaholela ezindabeni zokuphefumula nezinye izinkinga zempilo kubantu. Ngaphezu kwalokho, ukuncipha kwe-ozone emkhathini ongaphezulu kubangelwa ikakhulukazi ezinye izinto eziqeda i-ozone njengama-chlorofluorocarbon (CFCs) nama-hydrochlorofluorocarbon (HCFCs), hhayi i-methylene chloride.
Ingabe i-methylene chloride ingatholakala emikhiqizweni yokudla?
I-Methylene chloride ayifakwa ngamabomu emikhiqizweni yokudla. Kodwa-ke, imikhondo yenhlanganisela ingase ibonakale kwezinye izinto zokudla ngenxa yenqubo yokukhipha esetshenziselwa ukuthola ukunambitheka kwemvelo kanye nezinhlamvu. Ukusetshenziswa kwe-methylene chloride emikhiqizweni yokudla kulawulwa ngokuqinile, futhi ubukhona bayo ngokuvamile bukhawulelwe emazingeni aphansi kakhulu abhekwa njengephephile ukusetshenziswa.
Ingabe kukhona ukuxhumana phakathi kwe-methylene chloride nomdlavuza?
Ucwaningo luye lwabonisa ukuthi ukuchayeka isikhathi eside emazingeni aphezulu e-methylene chloride kungase kwandise ingozi yezinhlobo ezithile zomdlavuza, ikakhulukazi umdlavuza wamaphaphu nesibindi. Ngenxa yalokho, ama-ejensi alawulayo asungule imikhawulo evumelekile yokuchayeka yenkomponi ukuvikela abasebenzi nabathengi ezingozini zezempilo ezingaba khona. Kubalulekile ukulandela imihlahlandlela yokuphepha nokusebenzisa izinyathelo zokuzivikela lapho uphatha i-methylene chloride kuzilungiselelo zezimboni noma imikhiqizo yabathengi.
Ingabe i-methylene chloride ingabangela ukulutheka noma ukuncika?
I-methylene chloride akwaziwa ukuthi idala ukulutheka noma ukuncika ngendlela efanayo nezidakamizwa noma utshwala. Nokho, kubalulekile ukuphatha inhlanganisela ngokuqapha nangokuhambisana neziqondiso zokuphepha ukuze ugweme imiphumela emibi yezempilo. Ukusebenzisa kabi noma ukuchayeka isikhathi eside kungaholela ezinkingeni zezempilo, kodwa akuhlangene nokuziphatha okuluthayo.
Ingabe ikhona imizamo eqhubekayo yokuqhubeka nokulawula ukusetshenziswa kwe-methylene chloride?
Yebo, iziphathimandla ezilawulayo ziyaqhubeka zibuyekeza futhi zibuyekeza imihlahlandlela mayelana nokusetshenziswa kwe-methylene chloride ukuze kuqinisekiswe ukuphepha komphakathi nokuvikela imvelo. Njengoba ucwaningo olwengeziwe luvela mayelana nezingozi ezingase zibe khona, kungase kube nemikhawulo eyengeziwe noma ukuvinjelwa kwezicelo ezithile ze-methylene chloride ukuze kuncishiswe ukuchayeka kanye nokukhathazeka kwezempilo okuhlobene.
Sengiphetha, i-methylene chloride iyi-solvent ebalulekile esetshenziswa kabanzi ezimbonini ezahlukahlukene. Kodwa-ke, ukusetshenziswa kwayo kudinga ukucatshangelwa ngokucophelela kwezinyathelo zokuphepha ngenxa yezingozi ezingaba khona zempilo nezemvelo. Njengoba ukuqwashisa kukhula, izimboni zifuna ngenkuthalo futhi zisebenzisa ezinye izindlela eziphephile zokunciphisa ukuthembela kwazo ku-methylene chloride nokudala ikusasa elizinzile. Ngokulandela izimiso zokuphepha kanye nokwamukela ezinye esikhundleni se-eco-friendly, singakwazi ukulingana phakathi kwenqubekelaphambili yezimboni nokuvikela impilo yabantu kanye nemvelo.
