Ngaba wakha wazibuza ukuba laa mkhusane weshawari ecwebezelayo yePVC imelana neminyaka yomphunga kunye nokukhanya kwelanga ngaphandle kokuqhekeka okanye ukubuna? Okanye indlela ukutya okuselubala-ifilimu yokupakisha ikugcina igrosari yakho isentsha ngelixa igcina ikristale yayo-imbonakalo ecacileyo? Imfihlo ilele kwisithako esibalulekileyo kodwa esihlala singahoywa:PVC izinzisi. Kwindawo yokwenziwa kwefilimu ye-calendered, ezi zongezo ziyi-architect ezithuleyo eziguqula i-polyvinyl chloride eqhelekileyo (PVC) kwizinto eziphezulu zokusebenza. Masizihlube emva iileya kwaye siphonononge indima yazo eyimfuneko kwinkqubo.
Iziseko zeeFilimu eziKhalenda kunye nobuthathaka bePVC
Iifilimu zeKhalenda ziveliswa ngokugqithisa i-PVC i-compound efudumalayo ngoluhlu lwee-roller, ezithe tye kwaye ziyimise ibe yincinci, i-uniform sheet. Le nkqubo isetyenziswa ngokubanzi ukwenza iimveliso ezifana nempahla yokupakisha, iikhava zemizi-mveliso, kunye neefilimu zokuhombisa ngenxa yokusebenza kakuhle kunye nokukwazi ukuvelisa ubukhulu obungaguqukiyo. Nangona kunjalo, i-PVC inesithende se-Achilles: i-molecular structure iqulethe iiathom zeklorini ezingazinzanga ezenza kube lula ukuthotywa xa ibonakaliswe kubushushu, ukukhanya, kunye neoksijini.
Ngethuba lenkqubo ye-calendering, i-PVC iphantsi kokushisa okuphezulu (ukusuka kwi-160 ° C ukuya kwi-200 ° C) ukuqinisekisa ukunyibilika okufanelekileyo kunye nokubunjwa. Ngaphandle kokukhuselwa, izinto eziphathekayo ziyancipha ngokukhawuleza, zikhupha i-hydrochloric acid (HCl) kwaye ibangele i-discoloration, i-brittleness, kunye nokulahlekelwa kwempahla yomatshini. Kulapho izizinzi zePVC zingena khona njengeyona ngxaki iphambili - abasombululi.
Iindima ezininzi zePVC zokuZinzisa kwiKhalenda yoMveliso wefilimu
1. Ikhuselo lobushushu: Ukugcina ingqibelelo ngexesha loKusetyenzwa
Umsebenzi ophambili we-PVC stabilizers kwi-calendering kukukhusela imathiriyeli ekuthotyweni kwe-thermal. Ukushisa okuphezulu - ukubonakaliswa kweqondo lokushisa ngexesha le-roller - inkqubo yokucinezela inokubangela ukuphendulwa kwekhonkco kwi-PVC, ekhokelela ekubunjweni kweebhondi ezimbini ezidibeneyo ezijika izinto ezityheli okanye ezimdaka. Izinzisi zisebenza ngolu hlobo:
Ukufunxa iHydrochloric Acid:Basabela nge-HCl ekhutshwe ngexesha lokubola kwe-PVC, ukuyithintela ekuqhubeni ukuthotywa okungaphezulu. Ngokomzekelo, i-metal-based stabilizers efanacalcium - zinc or i-barium - i-zincii-complexes zibamba iimolekyuli ze-HCl, zinciphisa imiphumo yazo eyingozi.
Ukutshintsha iiathom zeklorini ezingazinzanga:Amalungu asebenzayo e-Stabilizers, afana nee-ion zetsimbi, athatha indawo yee-athom zeklorini ezibuthathaka kwitsheyina le-PVC, zenza ulwakhiwo oluzinzileyo lwemolekyuli. Oku kwandisa kakhulu ubomi be-thermal ye-thermal ngexesha eliphezulu - inkqubo ye-calendering yokushisa.
2.Umgcini woMbala: Ukugcina isibheno sobuhle
Kwizicelo apho ukucaca okubonakalayo kubalulekile-njengokufakwa kokutya okanye iikhethini ezicacileyo-ukuzinza kombala akunakuxoxisana. Izinzisi zePVC zidlala indima ebalulekileyo ekuthinteleni ukuguquka kombala:
Isenzo seAntioxidant:Ezinye izizinzi, ngakumbi ezo ziqulethe i-organic compounds okanye i-phosphites, zisebenza njenge-antioxidants. Bakhupha iiradicals zasimahla ezenziwe bubushushu okanye ukukhanya okukhanyayo, ukubanqanda ekuhlaseleni iimolekyuli zePVC kwaye zibangele ukuba tyheli.
Ukumelana neUV:Kwimiboniso bhanyabhanya esetyenzisiweyo yangaphandle, izizinzi ezine-UV - iipropati ezifunxayo zikhusela imathiriyeli kwimitha yelanga eyingozi. Oku kubalulekile kwiimveliso ezinjengezigqubuthelo zefenitshala yegadi okanye iifilimu zegreenhouse, ziqinisekisa ukuba zigcina umbala kunye namandla azo ekuhambeni kwexesha.
3.Isiphuculi sokuSebenza: Ukunyusa iiPropati zoomatshini
Iifilimu ezikwikhalenda kufuneka zibe bhetyebhetye, zomelele, kwaye zimelane nokukrazuka. Izizinzi zePVC zinegalelo kwezi mpawu ngokuthi:
Ukuthambisa iMelt:Ezinye izizinzi, ezifana nesinyithi - isepha - iindidi ezisekelwe, nazo zisebenza njengezithambiso zangaphakathi. Banciphisa ukungqubuzana ngaphakathi kwe-PVC compound ngexesha le-calendering, evumela ukuba ihambe kakuhle phakathi kwee-roller. Oku kubangela ifilimu efanayo ngakumbi kunye nokugqitywa komphezulu ongcono kunye neziphene ezimbalwa.
Ukuphucula ixesha elide-Uzinzo lweXesha:Ngokuthintela ukuthotywa, i-stabilizers igcina iipropathi zemishini yefilimu kwixesha layo lokuphila. Umzekelo, i-PVC - isekwe kwi-industrial belt cover ephathwa ngezizinzisi ezikumgangatho ophezulu zigcina ukuguquguquka kunye nokomelela kwayo nasemva kweminyaka yokusetyenziswa kakhulu.
4.I-Environmental Ally: iMigangatho yoKhuseleko lweNtlanganiso
Ngokukhula kweenkxalabo zokusingqongileyo kunye nempilo, izizinzi zePVC zanamhlanje ziyilelwe ukuba zibe nobubele. Kwiifilimu zekhalenda ezisetyenziselwa ukupakishwa kokutya okanye usetyenziso lwezonyango, izizinzi kufuneka:
Ungabi Netyhefu:I-non-heavy - stabilizers zetsimbi ezifana ne-calcium - i-zinc blends ithathe indawo yelothe yemveli - iinketho ezisekelwe. Ezi zikhuselekile ekudibaneni ngokuthe ngqo nokutya kwaye zithobela imigangatho yolawulo engqongqo (umzekelo, i-FDA e-US okanye i-EU yemithetho yokhuseleko lokutya).
Nciphisa iMpembelelo yokusiNgqongileyo:Abanye abavelisi baphonononga iinketho ze-biodegradable okanye ezinokuphinda zisebenze, beqinisekisa ukuba iifilimu ezikwikhalenda zinokulahlwa okanye ziphinde zisetyenziswe ngaphandle kokonakalisa iplanethi.
Izifundo zeMyelo kwiSicelo seFilimu eKhalenda
Ukupakishwa kokutya:Inkampani enkulu yokutya yatshintshela kwi-calcium - i-zinc - iifilimu ze-PVC ezizinzile kwi-snack package. Izizinzi azihlangabezi kuphela ukutya - iimfuno zokhuseleko kodwa ziphucule nobushushu befilimu - ukutywinwa kunye nokumelana neoyile nokufuma, ukwandisa ubomi beshelufu yeemveliso.
Ulwakhiwo:Kwishishini lokwakha, iifilimu ze-PVC ze-calendered ezine-UV - izongezo zokuzinzisa zisetyenziswa njengeembrane ezingenamanzi. Ezi filimu ziyakwazi ukumelana neemeko zemozulu ezinzima iminyaka emininzi, ngenxa yeempawu ezikhuselayo ze-stabilizers, ukunciphisa isidingo sokutshintshwa rhoqo.
Ikamva lePVC Stabilizers kwiiFilimu eziKhalenda
Njengoko itekhnoloji ihambela phambili, imfuno yezinzisi zePVC ezisebenza ngakumbi nezizinzileyo kwimveliso yeefilimu zekhalenda iyaqhubeka nokukhula. Abaphandi bayaphuhlisa:
Izinzinzisi eziSebenza ngokuNinzi:Ezi zidibanisa ukushisa, i-UV, kunye nokukhuselwa kwe-antioxidant kwi-formulation eyodwa, ukwenza lula inkqubo yokuvelisa kunye nokunciphisa iindleko.
Iziqinisekisi eziSekwe kwiBio-Sekwe:Ethathwe kwimithombo evuselelekayo, ezi ndlela zinobudlelwane be-eco-friendly zijolise ekunciphiseni indawo engqongileyo yeefilimu zekhalenda ngaphandle kokuncama ukusebenza.
Ukuqukumbela, i-PVC stabilizers ingaphezulu kakhulu kunezongezo nje-ziyintsika yokwenziwa kweefilimu zekhalenda. Ukususela kwizinto ezikhuselayo ngexesha eliphezulu - ukulungiswa kobushushu ukuqinisekisa ukhuseleko kunye nokuphila ixesha elide ekugqibeleni - ukusebenzisa iimveliso, impembelelo yabo ayinakuphikiswa. Njengoko amashishini azabalazela ukusungula izinto ezintsha kunye nozinzo, la magorha angathandwanga ngokungathandabuzekiyo aya kudlala indima ebaluleke ngakumbi ekubumbeni ikamva leefilimu zekhalenda.
TOPJOY ChemicalInkampani ibisoloko izibophelele kuphando, uphuhliso, kunye nokuveliswa kwemveliso ephezulu yokusebenza kwePVC yokuzinzisa. Iqela lobuchwephesha leR&D leTopjoy Chemical Company lihlala livelisa izinto ezintsha, liphucula ukwakheka kwemveliso ngokweemfuno zentengiso kunye neendlela zophuhliso lweshishini, kunye nokubonelela ngezisombululo ezingcono kumashishini okuvelisa. Ukuba ufuna ukufunda ulwazi oluthe vetshe malunga nezinzisi zePVC, wamkelekile ukuba uqhagamshelane nathi nangaliphi na ixesha!
Ixesha lokuposa: May-29-2025