Njengesengezo esisezingeni eliphezulu sokucubungula i-polyvinyl chloride (PVC),Namathisela i-Calcium Zinc (Ca-Zn) i-PVC Stabilizersekuqhamuke njengendlela ekhethwayo kunezinzinzisi ezisekelwe kunsimbi enzima (isb, umthofu, i-cadmium). Inhlanganisela yayo eyingqayizivele yokuphepha, ukusebenza, nokuthobela imvelo ibhekana nezidingo ezibalulekile kuyo yonke imikhakha yemikhiqizo ye-PVC edingeka kakhulu. Ngezansi ukuhlukaniswa okuningiliziwe kwezinzuzo zayo eziyinhloko, ububanzi bohlelo lokusebenza olwandisiwe, nokuthi iwaxazulula kanjani amaphuzu ezinhlungu ezihlala isikhathi eside ekukhiqizeni i-PVC.
1. Izinzuzo Eziyinhloko: Ukuphepha, Ukusebenza, kanye Nokuhambisana.
Namathisela u-Ca-ZnI-PVC Stabilizerigqama ngokusebenza kwayo okunezinhlangothi eziningi, okuyenza ifaneleke kokubili okujwayelekile nokucaciswa okuphezulu kwe-PVC.
1.1 Ukuthobelana Nokungenabuthi & Nemvelo
Ingenazo izinsimbi ezisindayo eziyingozi (umthofu, i-cadmium, i-mercury, njll.), ihlangabezana ngokugcwele nemithetho yomhlaba wonke yezemvelo nezokuphepha, okuhlanganisa i-EU's REACH Regulation, RoHS Directive, kanye ne-US CPSIA (Consumer Product Safety Improvement Act). Lokhu kuqeda ubungozi bezempilo kubasebenzi abakhiqizayo kanye nabasebenzisi bokugcina, kuyilapho kugwema izinhlawulo ezilawulayo zabakhiqizi abathumela ezimakethe zamazwe ngamazwe.
1.2 Ukungafihli Okuvelele Nekhwalithi Yobuhle
Ngokungafani nezinye iziqinisi ezibangela i-PVC ibe phuzi noma ifu, Namathisela i-Ca-Zn PVC Stabilizer igcina ukucaca kwemvelo kokubalulekile. Ilondoloza ukukhanya okuphezulu ngisho nasemikhiqizweni ye-PVC enezindonga ezincane noma enemibala, imfuneko eyinhloko yezinhlelo zokusebenza lapho ukukhanga okubonakalayo (isb., amathoyizi abonisa ngale, amashubhu ezokwelapha) noma ukusebenza komkhiqizo (isb, amapayipi acacile okubuka uketshezi) kubalulekile.
1.3 I-Superior Dynamic Stability & Ukumelana Nokuguga
I-PVC ijwayele ukuwohloka kokushisa ngesikhathi sokucubungula (isb, i-extrusion, i-calendering) kanye nokuguga kwe-oxidative ngesikhathi sokusetshenziswa isikhathi eside. Lesi siqinisi sakha ifilimu evikelayo kumaketanga e-PVC amangqamuzana, amelana ngokuphumelelayo nokubola okubangelwa ukushisa (ngisho namazinga okushisa okucubungula angu-160–180°C) futhi yehlisa i-UV/i-oxidation ehlobene nokubola. Ukuhlolwa kwenkundla kubonisa ukuthi imikhiqizo eyenziwe ngayo inempilo yesevisi ende engu-30–50% uma iqhathaniswa naleyo esebenzisa iziqinisi ezivamile.
1.4 Ukusebenza Okuhle Kakhulu Nephunga Eliphansi
Ngokuhambisana kahle nama-resin e-PVC nama-plasticizers, i-Paste Ca-Zn PVC Stabilizer iqinisekisa ukuhlakazeka okufanayo ngesikhathi sokuxuba-ukunciphisa izinkinga zokukhiqiza ezifana nokuhlanganisa izinto ezibonakalayo noma ukuncibilika okungalingani. Iphinde inciphise ukukhishwa kwe-volatile organic compounds (VOCs), okuholela emikhiqizweni ecishe ingabi naphunga. Lesi isiguquli-mdlalo sezinhlelo zokusebenza zesikhala esivalekile (isb., izihlanzi zesiqandisi) kanye nemikhakha ebucayi (isb., amathuluzi ezokwelapha).
2. Ububanzi Bohlelo Olunwetshiwe.
Ukuguquguquka kwayo kwenza i-PasteI-Ca-Zn PVC Stabilizerilungele ukucaca okuphezulu, ukuphepha-okubalulekile, kanye nemikhiqizo ye-PVC engezwani nephunga, ehlanganisa yomibili imikhakha yabathengi neyezimboni:
2.1 Imikhiqizo Ethambile Ye-PVC Ebonakala Kakhulu & Eqinile Kancane
• Ukusetshenziswa Kwekhaya Nosuku:Izihlanzi zesiqandisi ezibonisa ngale (zimelana namazinga okushisa nokubanda nokudla), amagilavu e-vinyl acacile (izinga lezokwelapha noma lokudla, elingenabuthi), namathoyizi e-PVC aguquguqukayo (athobela i-EN 71 kanye nezindinganiso zokuphepha ze-ASTM F963 zezingane).
• Imboni Nokusebenza:Amapayipi e-PVC abonisa ngale (amanzi, umoya, noma ukudluliswa kwamakhemikhali, lapho ukubonakala koketshezi kuvimbela ukuvinjwa) namashidi e-PVC aqinile (asetshenziswa kumakesi okubonisa noma ukupakishwa kwezinto zikagesi).
2.2 Imikhiqizo ye-PVC Yebanga Lezokwelapha (Esezingeni Eliphezulu, Ayinaphunga).
I-PVC yezokwelapha idinga ukubambelela ngokuqinile ku-biocompatibility kanye nobunyumba. Lesi siqinisi sihlangabezana ne-ISO 10993 (ukuhlolwa kwebhayoloji kwemishini yezokwelapha) kanye namazinga e-USP Class VI, okuyenza ifanelekele:
• Izinsiza zokuphefumula:Imaski ye-oksijeni namashubhu e-nebulizer (iphunga eliphansi liqinisekisa ukunethezeka kwesiguli ngesikhathi sokusetshenziswa isikhathi eside).
• Ukuphatha uketshezi:Amashubhu okuvuza emithanjeni (IV), izikhwama zegazi (akwazi ukumelana nokusabela kwamakhemikhali ngegazi noma ngemithi), nama-catheter.
• Imishini yokujova:Imiphongolo yesirinji kanye nezingxenye zomjovo wezokwelapha (ezingenabo ubuthi, eziqinisekisa ukuthi akukho ukucwiliswa kwezinto eziyingozi oketshezini lomzimba).
2.3 Imikhiqizo ye-PVC yokuxhumana nokudla
Ngaphandle kokusetshenziswa kwezokwelapha, kuphinde kuvunywe izicelo zokuthintwa ukudla (isb., amafilimu e-PVC asobala okufaka ukudla, amabhande okuthutha ezimbonini zokucubungula ukudla), njengoba ithobelana ne-FDA 21 CFR Ingxenye 177.1520 (ama-PVC ama-resins okuxhumana nokudla).
3. Ukuxazulula Amaphuzu Abalulekile Obuhlungu Ekukhiqizeni Kwe-PVC
Abakhiqizi be-PVC bavame ukubhekana nezinselele ezihlobene nokuphepha, ukusebenza, kanye nokuhambisana—izindaba ezixazululwa ngokuqondile i-Ca-Zn PVC Stabilizer:
3.1 Ukuqeda Izingozi Zokungcoliswa Kwensimbi Enzima
Iziqinisi ezisekelwe kumthofu zendabuko zibeka engcupheni yokuchayeka kwezisebenzi (ngothuli noma intuthu) kanye nokungcoliswa komkhiqizo (isb., ukuphuma komthofu kumathoyizi noma emaphaketheni okudla). Le fomula yensimbi eqinile engenazinsimbi iqeda lezi zingozi, igwema ukukhunjulwa komkhiqizo nokuvikela isithunzi somkhiqizo.
3.2 Ukunqoba Ukulahleka Kokungafihli Ekucutshungulweni
Iziqinisi eziningi zisabela ngamapulasitiki noma ama-resin e-PVC, okubangela ukushintsha kombala noma ukufiphala. Namathisela ukusebenza kabusha okuphansi kwe-Ca-Zn PVC Stabilizer kulondoloza ukucaca, kunciphisa izilinganiso ezilahliwe zemikhiqizo ebonisa ngale (isb, amayunithi ambalwa angasebenzi ngo-10–15% ethoyizini noma ekukhiqizweni kwamashubhu ezokwelapha).
3.3 Ukuvimbela Ukuwohloka Kwe-Thermal Ngesikhathi Sokucubungula I-High-Temperature
I-PVC ibola emazingeni okushisa aphezulu, ikhiphe i-hydrochloric acid (HCl) futhi ibangele ukushintsha kombala noma ukonakala. Ukumelana nokushisa okuqinile kwalokhu kuzinzisa kugcina ukuzinza kwe-PVC ngesikhathi sokukhipha noma ukubunjwa, kuqinisekisa ikhwalithi yomkhiqizo engaguquki kanye nokunciphisa isikhathi sokuphumula esisuka ekugqwaleni kwemishini (okubangelwa i-HCl).
3.4 Ukuhlangabezana Nezimfuneko Zephunga & Ne-Biocompatibility Emikhakheni Ebucayi
Imikhiqizo yezokwelapha neyendlu ye-PVC ivamise ukuhluleka ukuthola isitifiketi ngenxa yephunga elisele noma ukuvuzeka okunobuthi. Ukukhishwa kwe-VOC okuphansi kwesizinzisi kanye nokwakheka okungenabo ubuthi kuqinisekisa ukuthobelana nokuhlolwa kwe-biocompatibility yezokwelapha kanye namazinga ephunga lasendlini, kusheshisa isikhathi sokuya emakethe ngemikhiqizo emisha.
Namathisela i-Calcium Zinc PVC Stabilizer ivala igebe phakathi kokuphepha, ukusebenza, kanye nokuhambisana nemithetho.Abakhiqizi be-PVC. Iphrofayili yayo engenabo ubuthi, ne-eco-friendly ihlangabezana nemithetho yomhlaba, kuyilapho ukubonakala kwayo, ukuzinza, kanye nokucutshungulwa kwayo kuthuthukisa ikhwalithi yomkhiqizo kuyo yonke imikhakha yabathengi, yezimboni, nezokwelapha. Ngokuxazulula izinselelo ezibalulekile njengokungcoliswa kwensimbi esindayo, ukulahlekelwa obala, kanye nokuwohloka kokushisa, isiphenduke isithasiselo esibalulekile sezinhlelo zokusebenza ze-PVC zenani eliphezulu—ikakhulukazi lezo ezidinga ukuphepha okuqinile noma izindinganiso zobuhle.
Isikhathi sokuthumela: Aug-29-2025