Heat stabilizer ke e 'ngoe ea litlatsetso tse bohlokoahali ts'ebetsong ea PVC.PVC heat stabilizer e sebelisoa ka palo e nyane, empa karolo ea eona e kholo.Tšebeliso ea mocheso o tsitsitseng ho sebetsa ka PVC e ka etsa bonnete ba hore PVC ha e bonolo ho senya le ho tsitsa.Theboka ba polyethylenee sebelisitsoeng ho PVC stabilizer e tla fihlela phello ea ho leka-lekana ha lubrication.Nakong ea ts'ebetso ea lihlahisoa, e thusa ho polasetiki, ho hasana le ho kopanya, ho etsa ponahalo le tekanyo ea ho phalla ho leka-lekaneng;Le ho finyella mocheso oa mocheso le ho leka-lekana ntle le ho khomarela le ho boloka;Ka kakaretso, e nahanela mokhoa oa PE wax (lubricant) le mekhahlelo ea pele, e bohareng le ea morao.Ka nako e ts'oanang, boreleli ba stabilizer bo tla nkoa, ho nahanoa ka boreleli ba ka hare le ba ka ntle.

Li-stabilizer tsa mocheso tse atisang ho sebelisoa ts'ebetsong ea PVC li kenyelletsa li-stabilizer tsa letsoai la lead, li-stabilizer tsa sesepa sa tšepe, li-organotin stabilizers, li-stabilizer tse sa tloaelehang tsa lefatše, metsoako ea epoxy, joalo-joalo.
Loto letsoai stabilizer
Letsoai la loto ke eona e sebelisoang ka ho fetesisa ea mocheso bakeng sa PVC, 'me tekanyo ea eona e ka nka karolo e fetang halofo ea PVC mocheso stabilizer.
Melemo ea ho tsitsisa letsoai la lead: botsitso bo botle ba mocheso, botsitso ba nako e telele ea mocheso, ho kenya motlakase o motle haholo le ho hanyetsa boemo ba leholimo bo botle.
Go tlhoka mesola ea loto letsoai stabilizer: futsanehile hasane, chefo e phahameng, colouring qalong, ho le thata ho fumana lihlahisoa tse pepeneneng le dihlahiswa tsa mebala e khanyang, khaello ea lubricity, e le ho hlahisa sebabole le ho arola tšilafalo.
Li-stabilizer tsa letsoai tse sebelisoang hangata ke:
Tribasic lead sulfate, mokhoa oa molek'hule: 3PbO · PbSO4 · H2O, khoutu ea TLS, phofo e tšoeu, boima ba 6.4g / cm3.Tribasic lead sulfate ke stabilizer e sebelisoang hangata.Hangata e sebelisoa hammoho le dibasic lead phosphite.Lubricant e hloka ho eketsoa hobane ha e na mafura.E sebelisoa haholo lihlahisoa tse thata tsa opaque tsa PVC, 'me tekanyo ea eona hangata ke likarolo tse 2 ~ 7.
Dibasic lead phosphite, foromo ea molek'hule: 2PbO · pbhpo3 · 1 / 2H2O, khoutu DL, phofo e tšoeu, boima ba 6.1g / cm3.Botsitso ba mocheso oa dibasic lead phosphite bo tlase hanyane ho feta ba tribasic lead sulfate, empa ho hanyetsa boemo ba leholimo ho molemo ho feta ba tribasic lead sulfate.Dibasic lead phosphite hangata e sebelisoa hammoho le tribasic lead sulfate, 'me tekanyo ea eona hangata ke halofo ea tribasic lead sulfate.
Dibasic lead stearate, khoutu e bitsoang DLS, ha e tloaelehe joalo ka tribasic lead sulfate le dibasic lead phosphite mme e na le lubricity.Hangata e sebelisoa hammoho le tribasic lead sulfate le dibasic lead phosphite ka bongata ba 0.5 ~ 1.5 phr.
E le ho thibela chefo e phofshoana loto letsoai stabilizer ho fofa hole, ka ho teba silafatsa tikoloho ya tlhahiso le ho ntlafatsa phello ea hasane ea stabilizer, lerōle-free composite lead letsoai mocheso stabilizer e se e ntshetswa pele le sebelisoa ka lapeng le linaheng tse ling.Mokhoa oa ho etsa ke:
Tlas'a maemo a ho futhumatsa le ho kopanya, li-stabilizer tse fapaneng tsa letsoai le li-stabilizer tse thusang tse nang le litlamorao tsa synergistic li qhalakantsoeng ka botlalo 'me li kopantsoe le mafura a ka hare le a kantle ho etsa li-stabilizer tse kopantsoeng le letsoai la granular kapa flake lead.E ka finyella litlhoko tsa tekheniki tsa botsitso ba mocheso le lubrication ea ka hare le ea ka ntle ka ho e kenyelletsa ho resin ea PVC ho latela palo e itseng ea likarolo (ntle le ho eketsa li-stabilizers le lubricant).
Ho tlalehoa hore stabilizer ea letsoai e etellang pele e sebelisoang ha ho etsoa motsoako oa letsoai o se nang lerōle o na le likaroloana tse ntle, tse eketsang sebaka sa ho itšoara ka hydrogen chloride.Hobane e kopantsoe le mafura a kahare le kantle, e na le phallo e ntle haholo, e ntlafalitse haholo ts'ebetso ea botsitso ba mocheso le ho fokotsa litekanyetso.

Lisepa tsa tšepe
Palo ea stabilizer e kholo ke sehlopha sa bobeli se seholo ka mor'a letsoai la loto.Le hoja mocheso oa eona o tsitsitseng o se monate joaloka letsoai la loto, o boetse o na le lubricity.Ha e chefo ntle le CD le Pb, e pepenene ntle le Pb le Ca, 'me ha e na tšilafalo ea vulcanization.Ka hona, e sebelisoa haholo ho PVC e bonolo, e kang e se nang chefo le e hlakileng.
Lisepa tsa tšepe li ka ba tšepe (loto, barium, cadmium, zinki, calcium, joalo-joalo) letsoai la mafura a mafura (lauric acid, stearic acid, naphthenic acid, joalo-joalo), har'a eona stearate e sebelisoa ka ho fetisisa.Taelo ea botsitso ba mocheso ke: letsoai la zinki > letsoai la cadmium > letsoai la lead > letsoai la calcium / letsoai la barium.
Lisepa tsa tšepe hangata ha li sebelisoe li le mong.Hangata li sebelisoa pakeng tsa sesepa sa tšepe kapa hammoho le letsoai la loto le thini ea tlhaho.
Zinc stearate (znst), e seng chefo le e bonaletsang, e bonolo ho baka "cheso ea zinki", eo hangata e sebelisoang hammoho le sesepa sa BA le Ca.
Calcium stearate (CAST), e nang le ts'ebetso e ntle, ha e na tšilafalo ea sulfide le pepeneneng, hangata e sebelisoa hammoho le sesepa sa Zn.
Cadmium stearate (cdst), e le sesebelisoa sa bohlokoa sa ponaletso, se na le chefo e kholo 'me ha e hanyetse tšilafalo ea sulfide.Hangata e sebelisoa hammoho le sesepa sa BA.
Lead stearate (PBST), e nang le botsitso bo botle ba mocheso, e ka boela ea sebelisoa e le setlolo.Mefokolo e bonolo ho pula, ponahalo e fokolang, tšilafalo e chefo le e tebileng ea sulfide.Hangata e sebelisoa hammoho le sesepa sa BA le CD.
Barium stearate (BST), e seng chefo, tšilafalo e khahlanong le sulfide, e bonaletsang, hangata e sebelisoa le sesepa sa Pb le Ca.
Liphetho tsa lipatlisiso le litloaelo li bonts'a hore mocheso oa sesepa sa tšepe hangata ha o lokele ho sebelisoa o le mong, mme phello e ntle ea synergistic e ka fumanoa ka tšebeliso e kopaneng.Ka lebaka la phapang ea karolo ea anionic, synergist, solvent kapa ho hasana ha tšepe ea sesepa mocheso stabilizer, motsoako oa tšepe mocheso stabilizer e ka aroloa ho ba tiileng le metsi.
Calcium stearate le zinki ke li-stabilizer tse se nang chefo tse nang le theko e tlase, tse loketseng lihlahisoa tsa PVC bakeng sa ho paka lijo.Liphetho li bonts'a hore sesepa sa zinc stabilizer se na le matla a phahameng a ionization, e sebetsanang le allyl chloride ho molek'hule ea PVC, e ka tsitsisa PVC le ho thibela phello ea pele ea mebala.Leha ho le joalo, ZnCl2 e hlahisoang ke karabelo ke mohloli oa ho tlosa HCl 'me e ka khothalletsa ho senyeha ha PVC.Sesepa sa k'halsiamo se kopantsoeng se ke ke sa sebetsana le HCl feela, empa hape se itšoara ka ZnCl2 ho etsa CaCl2 le ho tsosolosa sesepa sa zinki.CaCl2 ha e na phello e susumetsang ho tlosoa ha HCl, 'me ho rarahana ha ZnCl2 ka lihlahisoa tsa calcium ho ka fokotsa bokhoni ba eona ba ho tlosa HCl.Motsoako oa metsoako ea epoxy le sesepa ea calcium le zinki e na le phello e ntle ea synergistic.Ka kakaretso, mocheso o tsitsitseng o se nang chefo o kopantsoeng haholo o entsoe ka calcium stearate, zinc stearate le epoxy soybean oleate.Ke habohlokoa ho hlokomela hore, β- Motsoako oa diketone e ncha e thusang mocheso stabilizer le calcium le zinki sesepa stabilizer e khothalletsa katoloso ea tšebeliso ea calcium e se nang chefo le zinki composite stabilizer.E sebelisoa linthong tse ling tsa ho paka lijo tse kang libotlolo tsa PVC le maqephe.
Qingdao Sainuo Chemical Co., Ltd.Re moetsi oa boka ba PE, boka ba PP, boka ba OPE, boka ba EVA, PEMA, EBS,Zinc/Calcium Stearate….Lihlahisoa tsa rona li fetile tlhahlobo ea REACH, ROHS, PAHS, FDA.
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