IHydroxyYethyl Methylcellulose (Hemc) iyi-polymer esetshenziswe kabanzi emikhakheni ehlukahlukene, kufaka phakathi ama-Pharmaceuticals, ukudla, izimonyo kanye nokwakha. Kuyaziswa ngokuqina kwalo, ukuncipha, ukwakha amafilimu, kanye nokuzinza kanye nokuzinza izakhiwo. Naphezu kwesicelo sayo esibanzi, ukuqinisekisa ukuphepha ngesikhathi sokuphatha nokusebenzisa kubalulekile. Nazi izinyathelo zokuphepha eziphelele zokusebenzisa i-hydroxyethyll methylcellulose:
1. Ukuqonda okuqukethwe
I-Hemc iyi-ether engekho-cellulose engekho, esuselwa ku-cellulose lapho amaqembu e-hydroxylethy athathelwe indawo nge-hydroxyethyl kanye namaqembu we-methyl. Lokhu kuguqulwa kuthuthukisa ukulekelela kwayo nokusebenza kwayo. Ukwazi izakhiwo zayo zamakhemikhali nezomzimba, njengokuhlaselwa, ukubonakala nokuqina, kusiza ekuphatheni ngokuphephile.
2. Imishini yokuzivikela (i-PPE)
Amagilavu nezingubo zokuvikela:
Gqoka amagilavu amelana namakhemikhali ukuvikela ukuxhumana kwesikhumba.
Sebenzisa izingubo zokuvikela, kufaka phakathi amahembe anemikhono emide namabhulukwe, ukugwema ukuvezwa kwesikhumba.
Ukuvikelwa kwamehlo:
Sebenzisa ama-goggles ezokuphepha noma izihlangu zobuso ukuvikela othulini noma emaplathini.
Ukuvikelwa kokuphefumula:
Uma ukuphatha i-hemc ngefomu le-powder, sebenzisa imaski noma ukuphefumula ukugwema ukuphefumula kwezinhlayiya ezinhle.
3. Ukusingatha nokugcina
Ukuphefumula:
Qinisekisa ukuthi umoya omncane wanele endaweni yokusebenza ukunciphisa ukunqwabelana uthuli.
Sebenzisa umoya omncane wendawo noma ezinye izilawuli zobunjiniyela ukugcina amazinga anomoya ancono ngaphansi kwemikhawulo yokuvezwa okunconyiwe.
Isitoreji:
Gcina i-hemc endaweni epholile, eyomile kude nomswakama nokukhanya kwelanga okuqondile.
Gcina iziqukathi zivaliwe ngokuqinile ukuvikela ukungcoliswa kanye nokumunca umswakama.
Gcina kude nezinto ezingahambelani ezifana nama-oxidizers aqinile.
Ukuphatha Ukuqapha:
Gwema ukudala uthuli; phatha ngobumnene.
Sebenzisa amasu afanele afana nokumanzisa noma usebenzisa umqoqi wethuli ukuze unciphise izinhlayiya zomoya.
Sebenzisa izindlela ezinhle zokugcina izindlu ukuvikela ukwakhiwa kothuli ezindaweni ezikhona.
4. Spill nezinqubo ezivuzayo
Ukuchitheka okuncane:
Shanela noma uvale izinto bese uyibeka esitsheni esifanelekile.
Gwema ukukhukhumala owomile ukuvikela ukuhlakazwa kothuli; Sebenzisa izindlela ze-SAMP noma ama-hacuum ahlungile.
Ukuchitheka okukhulu:
Phuma endaweni bese ungena umoya.
Gqoka i-PPE efanelekile futhi uqukethe ukuchitheka ukuze kuvikeleke ekusakazeni.
Sebenzisa izinto zokusebenzisa i-inert njenge-sand noma i-vermiculite ukuze ithole into.
Lahla izinto eziqoqiwe ngokuya ngemithetho yendawo.
5. Izilawuli zokuvezwa kanye nokuhlanzeka komuntu
Ukuvezwa kwemikhawulo:
Landela imihlahlandlela yezokuphepha yezokuphepha nezempilo (ye-OSHA) noma imithetho efanelekile ephathelene nemikhawulo yokuvezwa.
Ukuhlanzeka komuntu siqu:
Geza izandla kahle ngemuva kokuphatha i-hemc, ikakhulukazi ngaphambi kokudla, ukuphuza noma ukubhema.
Gwema ukuthinta ubuso bakho ngamagilavu angcolisiwe noma izandla.
I-6. Izingozi Zezempilo Nezindlela Zosizo Zokuqala
Inhalation:
Ukuchayeka isikhathi eside uthuli lwe-hemc kungadala ukucasuka okuphefumula.
Hambisa umuntu othintekile emoyeni omusha futhi ufuna ukunakekelwa kwezokwelashwa uma kuqhubeka izimpawu.
Ukuxhumana kwesikhumba:
Geza indawo ethintekile ngensipho namanzi.
Funa izeluleko zezokwelashwa uma ukucasuka kukhula.
Ukuthintwa ngamehlo:
Hlambulula amehlo kahle ngamanzi okungenani imizuzu eyi-15.
Susa ama-lens othintana naye uma ukhona futhi kulula ukukwenza.
Funa ukunakekelwa kwezokwelashwa uma ukucasuka kuqhubeka.
Ukungena:
Hlanza umlomo ngamanzi.
Musa ukunganaki ukugabha ngaphandle kokuthi kuqondiswe ngabasebenzi bezokwelapha.
Funa ukunakekelwa kwezokwelashwa uma kufakwa inqwaba.
7. Izingozi Zokucisha Neziqhumane
I-Hemc ayivuleki kakhulu kepha ingashisa uma ivezwa ngomlilo.
Izindlela zokulwa nomlilo:
Sebenzisa isifutho samanzi, igwebu, ikhemikhali eyomile, noma ikhabhoni dioxide ukucisha imililo.
Gqoka amagiya avikelekile aphelele, kufaka phakathi i-applatus yokuphefumula okuqukethwe (i-SCBA), lapho ulwa nemililo ebandakanya i-hemc.
Gwema ukusebenzisa imifudlana yamanzi ephezulu, engasakaza umlilo.
8. Izindlela zokuvikela ezemvelo
Gwema Ukukhishwa Kwemvelo:
Vikela ukukhishwa kwe-hemc emvelweni, ikakhulukazi emizimbeni yamanzi, ngoba kungathinta impilo yasemanzini.
Ukulahlwa:
Lahla i-hemc ngokuya ngemigomo yendawo, esesifundazweni, kanye ne-federal.
Ungasusi emigwaqweni yamanzi ngaphandle kokwelashwa okufanele.
9. Imininingwane Yokulawula
Ukulebula kanye nokuhlukaniswa:
Qinisekisa ukuthi iziqukathi ze-hemc zibhalwe kahle ngokuya ngezindinganiso zokulawula.
Zijwayeze ngeshidi ledatha yezokuphepha (SDS) futhi uhambisane nemihlahlandlela yalo.
Ezokuhamba:
Landela imithethonqubo yokuhambisa i-hemc, eqinisekisa ukuthi iziqukathi zivaliwe futhi zivikelekile.
10. Ukuqeqeshwa nemfundo
Ukuqeqeshwa Kwabasebenzi:
Nikeza ukuqeqeshwa ekuphatheni kahle, ukugcinwa nokulahlwa kwe-hemc.
Qinisekisa ukuthi abasebenzi bayazi ngezingozi ezingaba khona kanye nezindlela zokuphepha ezidingekayo.
Izinqubo Eziphuthumayo:
Thuthukisa futhi uxhumane nezinqubo eziphuthumayo zokuchitheka, ukuvuza, nokudalulwa.
Yenza ama-drill ajwayelekile ukuze uqinisekise ukulungela.
11. Izinyathelo zokuphepha eziqondene nomkhiqizo
Ubungozi obuthile bokwakheka:
Ngokuya ngokwakha kanye nokuhlushwa kwe-hemc, kungadingeka izinyathelo ezingezekile.
Bheka izinkombandlela eziqondene nomkhiqizo kanye nezincomo zomkhiqizi.
Imihlahlandlela eqondene nohlelo lokusebenza:
Emikhakheni, qinisekisa ukuthi i-hemc yebanga elifanele lokungena noma umjovo.
Ekwakhiweni, qaphela uthuli olukhiqizwe ngesikhathi sokuxuba nokusebenzisa.
Ngokunamathela kulezi zindlela zokuphepha zokuphepha, ubungozi obuhambisana nokusetshenziswa kwe-hydroxyethyllylylylylylylyl buncishiswe kakhulu. Ukuqinisekisa indawo yokusebenza ephephile akuvikeli abasebenzi kuphela kodwa futhi kugcina ubuqotho bomkhiqizo kanye nendawo ezungezile.
Isikhathi Seposi: Meyi-31-2024