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I-PVC yi-polyvinyl chloride, eyipolymer eyenziwe nge-vinyl chloride monomer phantsi kwesenzo se-peroxide, i-azo compounds kunye nabanye abaqalisi, okanye phantsi kwesenzo sokukhanya kunye nobushushu ngokwendlela ye-polymerization yamahhala.I-PVC yenye yezona njongo zinkulu kwihlabathi ...Funda ngokugqithisileyo»
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Ngokuzisa i-copolymerization yayo ye-monomer kwikhonkco eliphambili le-vinyl chloride, i-polymer entsha equkethe amakhonkco amabini e-monomer ifunyenwe, ebizwa ngokuba yi-copolymer.Iindidi eziphambili kunye neepropathi ze-copolymers ze-vinyl chloride kunye nezinye ii-monomers zezi zilandelayo: (1) i-vinyl chloride vinyl ace...Funda ngokugqithisileyo»
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Iplastiki yePVC yenziwe ngerhasi yeacetylene kunye nehydrogen chloride, emva koko yenziwe ipolymerized.Ekuqaleni kwe-1950, yaveliswa yindlela ye-acetylene carbide, kwaye ekupheleni kweminyaka yee-1950, yajika kwindlela ye-ethylene oxidation enezixhobo ezaneleyo kunye neendleko eziphantsi;Okwangoku, ngaphezulu kwe-80% yePVC ngokutsha ...Funda ngokugqithisileyo»
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Iimpawu zokutsha zePVC kukuba kunzima ukutshisa, kucima ngokukhawuleza emva kokushiya umlilo, ilangatye liphuzi kunye nomsi omhlophe, kwaye iplastiki iyancipha xa itshisa, ikhupha iphunga elicasulayo leklorini.I-Polyvinyl chloride resin yiplastiki enezinto ezininzi....Funda ngokugqithisileyo»
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Iplastiki yePVC ibhekisa kwi-PVC edibeneyo kwishishini lemichiza.Igama lesiNgesi: i-polyvinyl chloride, isishunqulelo sesiNgesi: PVC.Le yeyona ntsingiselo isetyenziswa kakhulu yePVC.Umbala wayo wendalo utyheli ngokuguquguqukayo kwaye uyakhazimla.Ukungafihli ngcono kunoko kwepolyethylene kunye ne-polypropylene, kwaye yeha...Funda ngokugqithisileyo»
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Injongo: Ityala lefowuni yeselula engangeni manzi, ifowuni yeselula enomsebenzi wokungangeni manzi, inokwenza iifowuni eziqhelekileyo zingabi namanzi.Naphantsi kwamanzi, unokuthatha iifoto, ungene kwi-Intanethi kwaye umamele umculo ngokukhululekileyo.Zininzi iimeko zeeselfowuni ezingenamanzi kwimarike, ezinokusonga...Funda ngokugqithisileyo»
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Kwiminyaka yakutshanje, njengoko ukusetyenziswa kweefowuni eziphathwayo kuye kwanda ngakumbi nangakumbi, kwaye ububanzi besicelo buye banda kakhulu, abantu abaninzi abanakuphila ngaphandle kweefowuni eziphathwayo kuyo yonke indawo, ngoko kuye kwavela iingxowa ezingenamanzi ezingenamanzi njengoko amaxesha afuna. .Ukuvulwa kwe waterpro...Funda ngokugqithisileyo»
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Kukho ifolda enokukunceda ukuba uhlele izinto eziphazamiseke kakhulu, kukunceda ngokufanelekileyo ukucacisa amaxwebhu aphazamisekileyo, kukunceda ukhumbule, kwaye ugcine amatyala asasaziweyo: rhoqo emva kwexeshana, idesika iya kuzaliswa ngoluhlu lokuthenga, amakhuphoni. , amatikiti ahlukeneyo, njl. ukuba ngokwenene c...Funda ngokugqithisileyo»
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Iintlobo zeMathiriyeli yePaperboard yePrayimari Ibhodi yokuSonga iKhathoniIbhodi yePhepha, okanye ibhodi ngokulula, ligama eliqhelekileyo, elibandakanya ii-substrates ezininzi ezahlukeneyo zephepha ezisetyenziselwa ukupakishwa kwamakhadi.Isitokhwe sekhadi sikwasetyenziswa ngendlela efanayo, ngokubhekiselele kwi-paperboard ngokubanzi okanye i-backing sheets yokuqinisa ...Funda ngokugqithisileyo»
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Ngelixa sineenyanga ezimbalwa ezishiyekileyo zika-2021, unyaka uze nezinto ezinomdla kushishino lokupakisha.Ngorhwebo lwe-e-commerce oluqhubeka nokuba yinto ethandwa ngabathengi, ukuqhubela phambili kwezobuchwepheshe kunye nokuzinza kuyaqhubeka nokuba yinto ephambili, ishishini lokupakisha liphumeze ...Funda ngokugqithisileyo»
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Iindlela ezine eziphambili eziza kubumba ikamva lokupakisha ukuya ku-2028 Ikamva lokuPhakhelwa: Uqikelelo lweSicwangciso seXesha elide ukuya ku-2028, phakathi kuka-2018 no-2028 imarike yokupakisha yehlabathi imiselwe ukuba yandise phantse nge-3% ngonyaka, ifikelele kwi-1.2 yeebhiliyoni zeedola.Imarike yokupakisha yehlabathi inyuke nge-6.8% ...Funda ngokugqithisileyo»
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IiNzuzo zokuSebenzisa iPlastiki yokuPakisha iPlastiki yokupakisha ivumela ukuba sikhusele, silondoloze, sigcine kwaye sithuthe iimveliso ngeendlela ezahlukeneyo.Ngaphandle kokupakishwa kweplastiki, uninzi lweemveliso ezithengwa ngabathengi azinakwenza uhambo oluya ekhaya okanye evenkileni, okanye ziphile zikwimeko entle...Funda ngokugqithisileyo»
