Okuqukethwe okujwayelekile kwenhlanzeko yokupakishwa kokudla akuphelele
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1)
Izinto zokupakisha ukudla kwezempilo azinayo indinganiso ehlanganisiwe njengamanje yasekhaya ayikakhi ukusebenza okuhlanganisiwe, okujwayelekile kwezinto zokupakisha ukudla kwezempilo, futhi ngenani elincane lemikhiqizo emithethweni evamile, njengokupakishwa okuguquguqukayo kwe-GB/T10004 & ndash;
2008 ukupakisha ifilimu eyinhlanganisela yepulasitiki, isikhwama, inhlanganisela eyomile ye-extrusion, 'izinkomba zensalela ye-solvent ezinhlinzekweni ezihambisanayo.
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2)
Iningi lamazinga enhlanzeko yezinto ezipakishwayo zokudla azisebenzi okwamanje izinhlobo eziningi zokupakishwa zokudla.
Ukuze kutholwe izinsalela ze-solvent, amazwe ahlukene kokuhlosiwe kokuhlinzekwa kwawo.
Esikhathini GB/T10004 & ndash;
2008 ukupakisha ifilimu eyinhlanganisela yepulasitiki, isikhwama, inhlanganisela eyomile ye-extrusion, 'izinhlinzeko eziyinhloko enani elisele lensalela ye-solvent ayikho ngaphezu kuka-5 mg/m2, kodwa ayizange icacise ukuthi hlobo luni lwesincibilikisi, ebangeni lika-5 mg/m2 konke izinhlobo zobuningi bezincibilikisi nazo azenzi ukwahlukanisa okuningiliziwe.
Izinga lezempilo likazwelonke liphinde livimbele ukusebenzisa imfucuza yepulasitiki njengokukhiqizwa kwezinto ezingavuthiwe zeziqukathi zokudla zepulasitiki.
Kodwa kukhona futhi ukucasha okukhulu umonakalo, wenziwe ezimbonini eluhlaza impahla plastic iziqukathi zokudla.
Ukuze umkhawulo wenkomba yeziqukathi zepulasitiki uxege kakhulu, ikomidi elijwayelekile likazwelonke njengamanje lisebenzela ukuthuthukisa nokuthuthukisa umsebenzi ojwayelekile.
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3)
Izindinganiso eziningi zomkhiqizo wezinto zokupakisha aziyona nje ingxenye yemfuneko yokutholwa kwezinsalela zencibilizi incazelo evamile yezinkomba ezithile zezinzwa ezilula, njengokupakisha impahla akumele ibe nephunga elingavamile, ukupakisha uketshezi olucwiliswayo akukwazi ukuba nephunga elingavamile, njll. , kodwa lapho azikho izidingo zezinkomba zobuningi ezibekiwe.
Ukupakishwa kokudla ohlelweni lokukhiqiza nokungenakugwemeka kukhona izincibilikisi eziyinsalela.
Ku-gravure ukuphrinta i-plastic composite material kanye ne-solvent dry compound process, kudingeka kusetshenziswe i-solvent eningi ye-organic efana ne-toluene, i-ethyl acetate ne-ethyl ketone, njll. , ngokuhambisana nezidingo zenqubo ye-solvent ngesikhathi sokukhiqiza kufanele. zihwamuke, kodwa ngenxa yezizathu ezehlukene ekukhiqizeni kwangempela kuyohlale kukhona okungaphezu noma okuncane akusona isincibilikisi esiguquguqukayo ngokuphelele, okwaziwa ngokuthi izincibilikisi eziyinsalela.
Izincibilikisi eziyinsalela ziyinhlanganisela yezinhlobo ezimbalwa zezincibilikizi, imvamisa lapho okuqukethwe kwezincibilikisi eziyinsalela ngaphansi kwenani elithile lomkhawulo inzwa yokuhogela yabantu ingakwazi ukuzwa ubukhona bayo, kodwa izinsalela ezincibilikayo eziphakeme abantu izinzwa ziyakwazi ukuyibona.
Njenge-PVC (
I-PVC)
Ukugoqa kwepulasitiki kumdlavuza kubangele imiphumela enamandla ekhaya.
I-GB9681—
1988 ukupakisha ukudla PVC ukubumba indinganiso yezempilo yomkhiqizo 'ngokuhlinzekwa okukhethekile, okuqukethwe kwe-vinyl chloride monomer kungaphansi noma kulingana no-1 mg ngekhilogremu.
Ukwakheka kwe-vinyl chloride monomer kuqukethwe ifilimu yokudla ye-PVC, ngemuva kokuba nomthelela emzimbeni womuntu ube ne-carcinogenicity.
I-European Union kanye ne-United States, Japan, bavimbele lo mkhiqizo osetshenziselwa ukudla.
Kubuyekezwe izikhathi ezimbalwa, kodwa ikakhulukazi ukwenza amanye alawa mapharamitha ashintshe.
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Imicimbi yefilimu yokunamathela & kulo lonke;
Kwaphinde kwadalula izindinganiso ezifanele zezwe lethu zikhiphe ukunensa komsebenzi.
Ngakho-ke impahla yokupakisha ukudla ekutholweni kwezinsalela zencibilikiyo ukuze kwakhiwe inkomba yobuningi ibalulekile.
