IziQinisekiso zeBarium Zinc zePVC eqinileyo neguquguqukayo Oko Ufanele Ukwazi

I-Polyvinyl chloride (PVC) imi njengenye yee-polymers ezisebenziseka lula kushishino lweplastiki lwehlabathi, ifumana indlela yayo kwiimveliso ezininzi ukusuka kwiipayipi zokwakha ukuya kwiindawo zangaphakathi zeemoto kunye neefilimu zokupakisha ukutya. Sekunjalo, oku kuguquguquka kuza nesiphako esibalulekileyo: ukungazinzi kobushushu obuqhelekileyo. Xa ivezwa kumaqondo obushushu aphezulu afunekayo ekucutshungulweni—ngesiqhelo i-160–200°C—i-PVC idlula kwi-autocatalytic dehydrochlorination, ikhuphe i-hydrochloric acid (HCl) kwaye ibangele ukusabela kwetyathanga okonakalisa izinto. Oku konakala kubonakala njengokutshintsha kombala, ukuqhekeka, kunye nokulahlekelwa ngamandla oomatshini, okwenza imveliso yokugqibela ingasetyenziswa. Ukujongana nalo mngeni, iziqinisi zobushushu ziye zaba zezongezo eziyimfuneko, kwaye phakathi kwazo,IziQinisekisi zeBarium Zincziye zavela njengendlela ethembekileyo nengenabungozi kokusingqongileyo endaweni yeendlela zemveli ezinobuthi ezifana neziqinisi ezisekelwe kwi-lead. Kule khokelo, siza kuchaza ukuba ziyintoni na ii-Barium Zinc Stabilizers, indlela ezisebenza ngayo, iintlobo zazo ezahlukeneyo, kunye nokusetyenziswa kwazo ngokukodwa kwi-PVC formulations eqinileyo neguquguqukayo.

Eyona nto iphambili kuzo, yiBarium Zinc Stabilizers (edla ngokubizwa ngokuba yiIsiqinisi seBa Znngesishwankathelo semizi-mveliso) zixutyiweiikhompawundi zesepha zesinyithi, edla ngokwenziwa ngokuphendula i-barium kunye ne-zinc kunye nee-fatty acids ezinee-long-chain fatty acids ezifana ne-stearic okanye i-lauric acid. Okwenza ezi zi-stabilizers zisebenze kakuhle kukusebenza kwazo ngokubambisana—isinyithi ngasinye sidlala indima eyahlukileyo ekulweni nokuwohloka kwe-PVC, kwaye indibaniselwano yazo iyoyisa imida yokusebenzisa nokuba yeyiphi na isinyithi yodwa. I-Zinc, njengesizinzisi esiphambili, isebenza ngokukhawuleza ukutshintsha ii-athomu ze-chlorine ezikwi-PVC molecular chain, zenze izakhiwo ze-ester ezizinzileyo ezimisa amanqanaba okuqala okuwohloka kwaye zigcine umbala wokuqala wezinto. I-Barium, kwelinye icala, isebenza njengesizinzisi sesibini ngokunciphisa i-HCl ekhutshwayo ngexesha lokucubungula. Oku kubalulekile kuba i-HCl sisisishukumisi sokuwohloka okungakumbi, kwaye amandla e-barium okuyisusa athintela ukusabela kwe-chain ukuba ikhawuleze. Ngaphandle kolu qhagamshelo oluhambelanayo, i-zinc yodwa iya kuvelisa i-zinc chloride (ZnCl₂), i-asidi enamandla ye-Lewis ekhuthaza ngokwenene ukuwohloka—into eyaziwa ngokuba “kukutsha kwe-zinc” ebangela ukuba i-PVC ibe mnyama ngequbuliso kubushushu obuphezulu. Isenzo sikaBarium sokuhluza i-HCl siyawususa lo mngcipheko, sidala inkqubo elungeleleneyo enika ukugcinwa kombala kokuqala okuhle kunye nokuzinza kobushushu ixesha elide.

Ii-Barium Zinc Stabilizers zenziwe ngeendlela ezimbini eziphambili—ezilulwelo nezingumgubo—nganye ilungiselelwe iimfuno ezithile zokucubungula kunye neefomyula ze-PVC.Isiqinisi seLiquid Ba ZnLelona khetho lixhaphakileyo kwiimveliso ze-PVC eziguquguqukayo, ngenxa yokuba kulula ukuxuba kunye nokudibanisa nee-plasticizers. Ihlala inyibilika kwii-alcohols ezinamafutha okanye ii-plasticizers ezifana ne-DOP,izinto zokuqinisa ulweloZidityaniswa ngokungenamthungo kwiinkqubo zokukhupha, ukubumba, kunye nokulungisa iikhalenda, nto leyo ezenza zibe zilungele iimveliso ezifuna ukuguquguquka nokusebenza rhoqo. Zikwabonelela ngeenzuzo ngokubhekiselele ekuchanekeni komthamo kunye nokugcinwa kwawo, njengoko zinokumpontshwa lula kwaye zigcinwe kwiitanki.IziQinisekisi zeBarium Zinc eziMguboNgokwahlukileyo koko, zenzelwe iindawo zokucubungula ezomileyo, apho zifakwa khona ngexesha lokudibanisa imveliso ye-PVC eqinileyo. Ezi fomyula zomileyo zihlala ziquka ezinye izinto ezifana neziqinisi ze-UV kunye nee-antioxidants, ziphucula ukusetyenziswa kwazo ngaphandle ngokukhusela ekuwohlokeni kobushushu kunye ne-UV. Ukukhetha phakathi kweefom zolwelo kunye ne-powdered ekugqibeleni kuxhomekeke kuhlobo lwe-PVC (eqinileyo kunye neguquguqukayo), indlela yokucubungula, kunye neemfuno zemveliso yokugqibela ezifana nokucaca, ukumelana nemozulu, kunye nevumba eliphantsi.

Ukuqonda indlela esebenza ngayo iiBarium Zinc Stabilizers kwiPVC eqinileyo neguquguqukayo kufuna ukujonga ngokusondeleyo iimfuno ezizodwa zesicelo ngasinye. I-PVC eqinileyo, equlethe i-plasticizer encinci okanye engenazo zonke, isetyenziswa kwiimveliso ezifuna ukuqina kwesakhiwo kunye nokuqina—cinga ngeeprofayili zefestile, iipayipi zombhobho, iipayipi zomhlaba kunye nezomjelo wokungcola, kunye neepayipi zoxinzelelo. Ezi mveliso zihlala zichatshazelwa ziimeko ezinzima zendalo, kubandakanya ukukhanya kwelanga, ukuguquguquka kobushushu, kunye nokufuma, ngoko ke izithambisi zazo kufuneka zibonelele ngozinzo lobushushu bexesha elide kunye nokumelana nemozulu. Ii-Barium Zinc Stabilizers ezifakwe umgubo zifanelekile kakhulu apha, njengoko zinokwenziwa ngezithinteli ze-UV ukuthintela ukutshintsha kombala kunye nokulahleka kwamandla oomatshini ngokuhamba kwexesha. Kwimibhobho yamanzi okusela, umzekelo, iinkqubo ze-Ba Zn stabilizer zithatha indawo yezinye iindlela ezisekelwe kwi-lead ukuhlangabezana nemigaqo yokhuseleko ngelixa zigcina ukumelana kombhobho nokugqwala kunye noxinzelelo. Iiprofayili zefestile ziyazuza kubuchule be-stabilizer bokugcina ukuhambelana kombala, ukuqinisekisa ukuba iiprofayili azityheli okanye ziphele nangona emva kweminyaka yokuvezwa elangeni.

I-PVC eguquguqukayo, exhomekeke kwi-plasticizers ukuze ifikelele kwi-malleability, iquka uluhlu olubanzi lweemveliso, ukusuka kwi-cable insulation kunye ne-flooring ukuya kwi-interiors ye-motor, i-wall coverings, kunye ne-flexible tubes. Ii-Liquid Barium Zinc Stabilizers zezona zikhethwayo kwezi zicelo ngenxa yokuhambelana kwazo ne-plasticizers kunye nokulula kokufakwa kwifomyula. Umzekelo, i-cable insulation ifuna i-stabilizers ezinokumelana namaqondo obushushu aphezulu e-extrusion ngelixa zibonelela ngeempawu zombane ezibalaseleyo zokufakelwa. Iinkqubo ze-Ba Zn stabilizer ziyahlangabezana nale mfuno ngokuthintela ukuwohloka kobushushu ngexesha lokucubungula kunye nokuqinisekisa ukuba i-insulation ihlala iguquguquka kwaye imelana nokuguga. Kwi-floorings kunye ne-wall coverings—ingakumbi iintlobo ezine-foam—ii-Barium Zinc Stabilizers zihlala zisebenza njenge-activators zee-air agents ezivuthelayo, zinceda ekudaleni isakhiwo se-foam esifunekayo ngelixa zigcina ukuqina kunye nokuprintwa kwezinto. I-interiors ye-motor, njengee-dashboards kunye ne-seat covers, zifuna i-low-volatile organic couple stabilizers eziphantsi, eziphantsi kwe-VOC (i-volatile organic compound) ukuze zihlangabezane nemigaqo engqongqo yomgangatho womoya, kunye ne-liquid Ba Zn stabilizer formulations zanamhlanje zenzelwe ukujongana nezi mfuno ngaphandle kokuphazamisa ukusebenza.

Ukuze uqonde ixabiso le-Barium Zinc Stabilizers, kuyanceda ukuzithelekisa nezinye izinto eziqhelekileyo.Isiqinisi sePVCIintlobo. Le theyibhile ingezantsi igxininisa umahluko ophambili phakathi kweziqinisi zeBarium Zinc (Ba Zn), iziqinisi zeCalcium Zinc (Ca Zn), kunye neziqinisi zeOrganotin—ezintathu zezona ndlela zisetyenziswa kakhulu kushishino:

Njengoko itheyibhile ibonisa, ii-Barium Zinc Stabilizers zisebenza kwindawo ephakathi elinganisela ukusebenza, iindleko, kunye nokhuseleko lokusingqongileyo. Zidlula izibambisi ze-Ca Zn ekuzinzeni kobushushu, nto leyo ezenza zifaneleke ukusetyenziswa apho amaqondo obushushu okucubungula aphezulu okanye ukuqina kwexesha elide kubalulekile. Xa kuthelekiswa nezibambisi ze-Organotin, zibonelela ngesisombululo esingabizi kakhulu ngaphandle kweengxaki zetyhefu ezinxulumene nezinye iikhompawundi ze-Organotin ezimfutshane. Olu lungelelwaniso lwenze iinkqubo ze-Ba Zn stabilizer zibe lukhetho oludumileyo kumashishini apho ukuthotyelwa kwemithetho, ukusebenza, kunye nokusebenza kakuhle kweendleko zonke zizinto eziphambili—ukusuka kulwakhiwo ukuya kwimveliso yeemoto.

Xa ukhetha iBarium Zinc Stabilizer kwisicelo esithile sePVC, kukho izinto ezininzi ezibandakanyekayo. Okokuqala, umlinganiselo we-barium kwi-zinc unokulungiswa ukuze uhlangabezane neemfuno ezithile zokusebenza: umxholo ophezulu we-barium uphucula uzinzo lobushushu bexesha elide, ngelixa umxholo ophezulu we-zinc uphucula ukugcinwa kombala kokuqala. Okwesibini, izinto ezizinzileyo ezifana nee-epoxy compounds, ii-antioxidants, kunye nee-phosphites zihlala zongezwa ukuze kuphuculwe ukusebenza, ngakumbi kwizicelo zangaphandle okanye zoxinzelelo oluphezulu. Okwesithathu, ukuhambelana nezinye izongezo—kuquka iiplastiki, izizalisi, kunye neepigment—kufuneka kuqwalaselwe ukuqinisekisa ukuba i-stabilizer ayichaphazeli kakubi iipropati zemveliso yokugqibela. Umzekelo, kwiifilimu eziguquguqukayo ezibonakalayo, i-Ba Zn stabilizer engamanzi eneempawu zokufuduka eziphantsi ibalulekile ukuze kugcinwe ukucaca.

Ukujonga phambili, imfuno yee-Barium Zinc Stabilizers kulindeleke ukuba ikhule njengoko ishishini le-PVC liqhubeka lisuka kwezinye iindlela ezinobuthi kwaye lisiya kwizisombululo ezizinzileyo. Abavelisi batyala imali kwiifomyula ezintsha ezinciphisa ukukhutshwa kwe-VOC, ziphucula ukuhambelana nee-plasticizers ezisekelwe kwi-bio, kwaye ziphucula ukusebenza ekucutshungulweni kobushushu obuphezulu. Kwicandelo lokwakha, ukukhuthazwa kwezakhiwo ezisebenzisa amandla kakuhle kuqhuba imfuno yeemveliso ze-PVC eziqinileyo ezifana neeprofayili zeefestile kunye nokufakelwa, ezixhomekeke kwi-Ba Zn stabilizers ukuhlangabezana neemfuno zokuqina. Kwishishini leemoto, imithetho engqongqo yomgangatho womoya ikhetha iifomyula ze-Barium Zinc ezingenavumba liphantsi kwiindawo zangaphakathi. Njengoko ezi ndlela ziqhubeka, ii-Barium Zinc Stabilizers ziya kuhlala zisisiseko sokucubungula i-PVC, zivala umsantsa phakathi kokusebenza, ukhuseleko, kunye nokuzinza.

Ukuqukumbela, iiBarium Zinc Stabilizers zezona zongezo zibalulekileyo ezivumela ukusetyenziswa ngokubanzi kwePVC eqinileyo neguquguqukayo ngokujongana nokungazinzi kobushushu obuqhelekileyo bepolymer. Isenzo sabo sokusebenzisana se-barium kunye ne-zinc sibonelela ngokudibanisa okulinganayo kokugcinwa kombala kokuqala kunye nokuzinza kobushushu ixesha elide, okwenza zifaneleke kwiindidi ezahlukeneyo zezicelo. Nokuba zikwimo yeziqinisi zolwelo kwiimveliso zePVC eziguquguqukayo ezifana nokufakelwa kweentambo kunye nomgangatho okanye iziqinisi zomgubo kwizicelo eziqinileyo ezifana nemibhobho kunye neeprofayili zeefestile, iinkqubo zeBa Zn stabilizer zibonelela ngenye indlela engabizi kakhulu, enobuhlobo nokusingqongileyo kuneziqinisi zendabuko. Ngokuqonda indlela ezisebenza ngayo, iifom zemveliso, kunye neemfuno ezithile zesicelo, abavelisi banokusebenzisa iiBarium Zinc Stabilizers ukuvelisa iimveliso zePVC ezikumgangatho ophezulu ezihlangabezana neemfuno zamashishini nemigaqo yanamhlanje.