Ngwunye plastik a na-ejikarị achịkọta nri n'ụlọ
Kedu ụdị ihe mkpuchi plastik dị?
Ihe mkpuchi plastik nwere ike ịpụta dị nro na nke doro anya, mana ihe ya dị iche iche. A na-eme ya site na ihe plastik ndị a:
Polyethylene (PE):Nke a bụ otu n'ime ihe mkpuchi plastik a na-ejikarị eme ihe, nke a na-ejikarị eme ihe maka nchekwa ya na ọnụ ala dị ala. Ọ bụ ezie na polyethylene na-enye ezigbo ume iku ume, ọ na-enwekwa nkwụsi ike nke okpomọkụ na-adịghị mma na nkwụsi ike gbatịa.
Polyvinyl chloride (PVC):Ihe mkpuchi plastik nke mbụ na-ejikarị ihe PVC eme ihe. Ụdị ihe mkpuchi plastik a nwere nghọta dị elu na ezigbo ductility, ma n'ihi ndị na-emepụta ihe na-emepụta ihe nwere ike ịnwe, nchekwa ya adọtala mmasị, karịsịa na okpomọkụ dị elu ma ọ bụ mgbe ọ na-ejikọta na nri mmanu mmanu.
Ngwunye plastik a na-ejikarị achịkọta nri n'ụlọ
Polyvinylidene chloride (PVDC):Ụdị ihe mkpuchi plastik a na-enye ezigbo ihe mgbochi, ma ojiji ya dị ntakịrị n'ihi oke ọnụ ahịa ya na mmetụta gburugburu ebe obibi.
Ihe ndị ọzọ nwere ike imebi: Site na mmata gburugburu ebe obibi na-abawanye, ụfọdụ ihe mkpuchi rọba amalitela itinye ihe ndị sitere na bio- ma ọ bụ ihe ndị nwere ike imebi ndụ, dị ka polylactic acid (PLA).
Kedu ka esi amata ọdịiche dị n'etiti ihe mkpuchi plastik na-ekpo ọkụ na nke na-abụghị{0}?
Mgbe ị na-ekpo ọkụ nri a na-ekechi n'ime ihe mkpuchi plastik n'ụlọ, ọ ga-ekwe omume itinye ihe mkpuchi plastik n'ime ma kpoo ya ọnụ? Ị nwere ike zoo aka na nyocha ndị a:
(1) Polyethylene (PE): Nke a bụ ihe mkpuchi plastik nkịtị na ahịa. Enwere ike iji ihe mkpuchi plastik mee ihe a n'ozuzu maka ikpo ọkụ microwave. Otú ọ dị, mgbe a na-ekpo ọkụ ruo ogologo oge na okpomọkụ gafere ogo 110, ọ ga-agbaze. Ya mere, a na-atụ aro ka ị ghara itinye nri ndị a fụchiri n'ụdị mkpuchi rọba n'ime microwave ruo ogologo oge, ma ọ bụ ikpo ya na ultra- okpomọkụ dị elu ruo ogologo oge.
(2) Polyvinyl chloride (PVC):Ihe mkpuchi plastik mere nke ihe a nwere ihe ndị na-emepụta ihe na-emepụta ihe ma nwee ike ịhapụ ihe ndị na-emerụ ahụ na okpomọkụ dị elu. A naghị atụ aro maka ikpo ọkụ.
(3) Polyvinylidene chloride (PVDC):Ihe mkpuchi plastik mere nke ụdị ihe a na-arụ ọrụ nke ọma ma nwee ike iguzogide okpomọkụ dị elu nke 140 degrees 180 degrees. Enwere ike iji ya mee kpo oku, mana a na-atụ aro ka ị ghara ikpo ya na oven dị elu{3}} okpomọkụ.
Na mgbakwunye, ị nwekwara ike ịlele akara ma ọ bụ ntuziaka nkwakọ ngwaahịa. Ụfọdụ ndị na-emepụta ihe na-egosikarị na nkwakọ ngwaahịa plastik ma enwere ike iji ya kpo oku. Ọ bụrụ na a na-azụta ihe mkpuchi plastik site na ọwa mgbe niile na nkwakọ ngwaahịa na-ekwu n'ụzọ doro anya na enwere ike iji ya mee ihe maka ikpo ọkụ microwave, mgbe ahụ, ihe mkpuchi plastik a na-adịkarị mma.
Ihe mkpuchi rọba ọ nwere Plasticizers Carcinogenic?
Mgbe ndị mmadụ na-eche maka ihe mkpuchi rọba, ọ ga-abụ na ha na-eche maka plasticizers carcinogenic. Ọ bụ ezie na ihe mkpuchi PVC nke nwere plasticizer DEHP na-etinye ihe ize ndụ, ụdị mkpuchi plastik ndị ọzọ adịghị etinye nnukwu ihe ize ndụ.
Phthalates (PAEs) bụ okwu izugbe maka klas nke kemịkalụ plasticizer. N'ime ezinụlọ a nke PEA, di (2-ethylhexyl) phthalate (DEHP) bụ ngwakọta a na-ejikarị na-emepụta ngwaahịa polyvinyl chloride (PVC), dị ka ngwaọrụ ahụike, ihe egwuregwu ụmụaka, na nkwakọ ngwaahịa.
DEHP nwere ike ịkwaga n'oge kpo oku, na-etinye ihe ize ndụ ahụike nye ụmụ mmadụ. Ọ nwere ike igbochi usoro homonụ nke anụ ahụ, kpata ọgba aghara endocrine, na ọbụna bute mmerụ ahụ ọmụmụ ma ọ bụ mmerụ ahụ ọmụmụ ọzọ. Agbanyeghị, mkpokọta DEHP nke mmadụ na-ekpughe kwa ụbọchị na-adịkarị n'okpuru ọkwa nke nwere ike ibute nsogbu ahụike ndị a. Ọzọkwa, ọmụmụ ihe ugbu a na-egosi na mmetụta DEHA nwere ike ime na mmepụta anụmanụ na mmepe dị oke. Emere ọtụtụ n'ime ọmụmụ ihe ndị a na mkpokọta dị elu karịa ọkwa mkpughe na ndụ kwa ụbọchị. Ya mere, ọ bụrụhaala na iji DEHP na-emezu ihe ndị a chọrọ ma nwee ezi uche, ọ dịghị mkpa ichegbu onwe gị nke ukwuu. Ihe ekwesịrị ịmara bụ na onye ọ bụla ga-azụrịrị ngwaahịa mkpuchi rọba site na ọwa nkịtị ma ghara ịzụta ngwaahịa na-erughị eru n'ihi anyaukwu maka obere uru.
Tụkwasị na nke a, ọ bara uru ịkọwa na iji dozie nsogbu nsị nke DEHP, ndị mmadụ emepụtawokwa ụzọ dị iche iche, dị ka dibutyl phthalate (DBP) na benzyl butyl phthalate (BBP). Ọ bụ ezie na ụzọ ndị a nwekwara ụfọdụ ihe egwu nchekwa, ha dịtụ nchebe. Ọ bụrụ na ị na-eche maka ihe egwu ahụike dị n'iji mkpuchi plastik PVC nwere DEHP, ị nwere ike ịhọrọ ụzọ ọzọ dị mma.
Plasticizers n'ime ihe mkpuchi rọba nwere ike ịbanye n'ihe oriri ndị nwere abụba{{0}
Plastic ọ na-ekpuchi mmanụ na-ehicha? Abụba sitere na nri ọ ga-agbaze ihe mkpuchi plastik?
Ụfọdụ ndị mmadụ na-achọ ịmata ihe mere mgbe ụfọdụ ọtụtụ mmanụ na-esi n'elu ihe mkpuchi rọba na-apụta. Ọ bụ n'ihi na abụba dị na nri na-agbaze ihe mkpuchi rọba? N'ezie, nke a abụghị ikpe. Ihe mkpuchi plastik bụ ihe eji eme ihe na-emepụta ihe, nke mejupụtara mkpụrụ ndụ ethylene polymerized. Enwere oghere dị n'etiti molecules nke ihe polymer, na "molecules mmanụ" na nri nwere ike ịgafe oghere ndị a, na-ebute mmanụ mmanụ. Oghere ihe omimi nke HDPE plastic wrap dị obere, ya mere ọ dịghị mfe ịhụ mmanụ; oghere nke LDPE dị ntakịrị, ya mere ọ dị mfe ịhụ mmanụ.
Nke a bụkwa ihe mere ọbụna mgbe ị na-eri crayfish na uwe aka, aka gị ka ga-abụ mmanụ.
Yiri gloves enwere ike iji eri azụ ga-agbapụtakwa mmanụ
Ụfọdụ netizens nwere ike ịnọ na-eche, kedu ihe kpatara polyethylene dị ala- density abụghị mmiri{1}} nwere ike imeri? Ihe mkpuchi plastik polyethylene dị obere- bụ nnukwu hydrophobic. Mmiri mmiri enweghị ike ime ka mgbidi pore dị n'etiti ụmụ irighiri ihe, na-egbochi mmiri na-aga n'ihu ma na-egbochi mmiri ịgafe n'ụdị mmiri mmiri (ụzu mmiri nwere ike ịgafe).
Ọ bụrụ na ị chọpụta na ihe mkpuchi rọba nke a na-eji kechie nri nwere mmanụ agbapụtala, ị ka nwere ike iri nri ahụ? Ọ bụrụ na echebaraghị mmetụta okpomọkụ ahụ echiche, mmanụ ga-esi na mkpuchi plastik pụta naanị ma ọ gaghị agbaze ya. Ọ dịghị mkpa ichegbu onwe gị banyere iri "ihe mkpuchi plastik mmiri mmiri".
Ndụmọdụ na ịkpachara anya maka ịhọrọ na iji ihe mkpuchi rọba
(1) Lelee ụdị ihe:
Polyethylene (PE): A na-ewerekarị dị ka nhọrọ dị oke nchebe ma dabara adaba maka ojiji kwa ụbọchị.
Polyvinyl chloride (PVC): Nwere ike ịnwe plasticizers ma akwadoro ka ịzere iji na nkwakọ ngwaahịa nri.
Polyvinylidene chloride (PVDC): Nwere ihe mgbochi ka mma, mana ọ dị oke ọnụ ma nwee mmetụta gburugburu ebe obibi nke kwesịrị ịtụle.
(2) Lelee akara ngwaahịa:Lelee ma nkwakọ ngwaahịa ahụ nwere akara nchekwa nri yana akara ya dị ka microwaveable.
(3) nghọta na nrapagidesi ike:Ihe mkpuchi rọba dị mma kwesịrị inwe nghọta dị mma na nrapara kwesịrị ekwesị ka ọ wee nwee ike itinye ya ngwa ngwa na akpa nri.
(4) Ojiji okpomọkụ dị elu:Soro ntuziaka ngwugwu, ọkachasị ndị gbasara ma ngwaahịa enwere ike ikpo ọkụ. Ejila ihe mkpuchi plastik na-adabaghị maka ikpo ọkụ na okpomọkụ dị elu, dị ka na ngwa ndakwa nri.
(5) Zenarị nri ndị nwere oke abụba- na-akpakọrịta ozugbo:Ụfọdụ ụdị mkpuchi rọba ga- "na-awụpụ mmanụ" mgbe a na-akpakọrịta na nri ndị nwere abụba dị elu ma nwee ike hapụ kemịkalụ.
(6) Na mgbakwunye, a na-eji PE eme ihe mkpuchi plastik a na-ahụkarị. Agbanyeghị, ọ bụghị ihe mkpuchi plastik niile ejiri PE, elu{1}}density polyethylene (HDPE), ma ọ bụ obere{2}}density polyethylene (LDPE) nwere ike iji kechie nri.Ọ dị mkpa ịmara na ha ga-enwerịrị mkpụrụokwu "nri{0} naanị", "akwụkwọ ikike nchekwa nri" ma ọ bụ "QS" ka a ga-eji jide nri. A na-ejikwa PE mee akpa rọba ndị a na-ejikarị eme ihe, yabụ ejila ha jide nri!N'ikwu okwu n'ozuzu, ihe mkpuchi rọba na-enweghị ike iji kechie nri na-enwekarị plasticizers ma nwee ihe ndị na-emerụ ahụ dị ka DEHP.
Nke a dị n'elu bụ ihe ọmụma dị mkpa gbasara mkpuchi plastik. Mgbe ị na-ahọrọ ihe mkpuchi plastik, ọ dị mkpa ịṅa ntị na ụdị na nchekwa nke ihe iji zere ịhọrọ ngwaahịa nwere kemịkal na-emerụ ahụ. Mgbe ị na-eji, soro ntuziaka nchekwa, karịsịa ntuziaka na kpo oku. N'otu oge ahụ, ịtụle ihe gbasara gburugburu ebe obibi na ịhọrọ ihe ndị ọzọ a na-eji eme ihe ma ọ bụ ihe ndị nwere ike imebi ihe nwere ike ibelata mmetụta gburugburu ebe obibi. Site n'ịgbaso isi ihe ndị a, ị nwere ike hụ na nchekwa nke nri gị n'ozuzu ya ma na-ebelata ihe ndị nwere ike imerụ ahụ ike na gburugburu ebe obibi gị.
