Liquid Barium Zinc PVC StabilizersKe li-additives tse khethehileng tse sebelisoang ho sebetsa ka polyvinyl chloride (PVC) ho ntlafatsa botsitso ba mocheso le khanya, ho thibela ho senyeha nakong ea tlhahiso le ho lelefatsa bophelo ba thepa. Mona ke karohano e felletseng ea sebopeho sa bona, lits'ebetso, lintlha tsa taolo, le mekhoa ea 'maraka:
Sebopeho le Mechanism
Li-stabilizers tsena hangata li na le matsoai a barium (mohlala, alkylphenol barium kapa 2-ethylhexanoate barium) le matsoai a zinki (mohlala, 2-ethylhexanoate zinc), a kopantsoe le likaroloana tsa synergistic joalo ka phosphites (mohlala, tris(nonylphenyl) phosphite) bakeng sa oli ea chelation le diminerale. Barium e fana ka tšireletso ea nako e khutšoanyane ea mocheso, ha zinki e fana ka botsitso ba nako e telele. Sebopeho sa mokelikeli se etsa bonnete ba ho kopanya ho ts'oanang ka mokhoa oa PVC. Meetso ea morao-rao e boetse e kenyelletsa polyether silicone phosphate esters ho ntlafatsa lubricity le pepeneneng, ho fokotsa ho monya ha metsi nakong ea pholileng.
Melemo ea Bohlokoa
Ho se na Chefo: Ha li na litšepe tse boima tse kang cadmium, li lumellana le maemo a ho kopana le lijo le maemo a boemo ba bongaka (mohlala, limaraka tse lumelletsoeng ke FDA mekhoeng e meng).
Ts'ebetso e Atlehang: Boemo ba metsi bo tiisa ho hasana habonolo ka metsoako e bonolo ea PVC (mohlala, lifilimi, lithapo), ho fokotsa nako ea ho sebetsa le tšebeliso ea matla.
Litšenyehelo-Ka katleho: E qothisana lehlokoa le li-organic tin stabilizers ha u ntse u qoba matšoenyeho a chefo.
Liphello tsa Synergistic: Ha li kopantsoe le li-stabilizers tsa calcium-zinc, li sebetsana le litaba tsa "tonnguing" ka extrusion e thata ea PVC ka ho leka-lekanya lubricity le botsitso ba mocheso.
Lisebelisoa
Lihlahisoa tse bonolo tsa PVC: E sebelisoa haholo lifiliming tse feto-fetohang, lithapo, matlalo a maiketsetso, le lisebelisoa tsa bongaka ka lebaka la ho se chefo le ho boloka ho hlaka.
PVC e thata: Ka kopanelo lecalcium-zinc stabilizers, li ntlafatsa ts'ebetso ea ho sebetsa lifiliming le litlalehong, ho fokotsa "puo" (ho thella ha lintho nakong ea extrusion) .
Lisebelisoa tse khethehileng: Lisebelisoa tse pepeneneng tse phahameng tsa ho paka le lihlahisoa tse hananang le UV ha li kopantsoe le li-antioxidants joalo ka 2,6-di-tert-butyl-p-cresol.
Mehopolo ea Taolo le ea Tikoloho
FIHLELA Tumelo: Lik'hemik'hale tsa Barium li laoloa tlas'a REACH, ka lithibelo ho barium e qhibilihang (mohlala, ≤1000 ppm lihlahisoa tsa bareki). Li-stabilizers tse ngata tsa barium zinc li fihlella meeli ena ka lebaka la ho qhibiliha ho tlase.
Mekhoa e meng: Li-stabilizers tsa calcium-zinc li ntse li eketseha ka lebaka la melao e thata ea tikoloho, haholo-holo Europe. Leha ho le joalo, li-barium zinc stabilizers li lula li ratoa lits'ebetsong tsa mocheso o phahameng (mohlala, likarolo tsa likoloi) moo calcium-zinc feela e ka bang e sa lekaneng.
Lintlha tsa Ts'ebetso le Tekheniki
Thermal Stability: Liteko tse tsitsitseng tsa mocheso li bonts'a botsitso bo atolositsoeng (mohlala, metsotso e 61.2 ho 180 ° C bakeng sa metsoako e nang le hydrotalcite co-stabilizers) . Ho sebetsa ka matla (mohlala, twin-screw extrusion) ho rua molemo ho tsoa ho thepa ea bona ea ho tlotsa, ho fokotsa ho senyeha ha sekiri.
Ponaletso: Lisebelisoa tse tsoetseng pele tse nang le polyether silicone esters li finyella ho hlaka ho hoholo ha mahlo (≥90% transmittance), ho etsa hore li tšoanelehe bakeng sa ho paka lifilimi.
Khanyetso ea ho falla: Li-stabilizer tse hlophisitsoeng hantle li bonts'a phalliso e tlase, e bohlokoa bakeng sa lits'ebetso tse joalo ka ho paka lijo moo ho amehang ho falla.
Malebela a Ts'ebetso
Ho lumellana: Qoba tšebeliso e feteletseng ea mafura a stearic acid, kaha a ka 'na a itšoara ka letsoai la zinki, a potlakisa ho senyeha ha PVC. Khetha bakeng sali-co-stabilizersjoalo ka oli ea soya ea epoxidized ho matlafatsa tšebelisano.
Tekanyetso: Mefuta e tloaelehileng ea tšebeliso e tsoang ho 1.5-3 phr (likarolo ka lekholo la resin) ka PVC e bonolo le 0.5-2 phr ka mekhoa e thata ha e kopantsoe le calcium-zinc stabilizers.
Mekhoa ea Marakeng
Bakhanni ba Khōlo: Tlhokahalo ea li-stabilizers tse senang chefo Asia-Pacific le Amerika Leboea e ntse e tsoela pele ka mekhoa e mecha ea li-barium zinc formulations. Mohlala, indasteri ea China ea PVC e ntse e tsoela pele ho amohela li-stabilizer tsa zinki tsa metsi bakeng sa tlhahiso ea terata / thapo.
Mathata: Ho phahama ha li-calcium-zinc stabilizers (ho reriloe CAGR ea 5-7% ka thepa ea lieta le likarolo tsa ho paka) ho hlahisa tlhōlisano, empa zinc ea barium e boloka niche ea eona lits'ebetsong tse phahameng tsa ts'ebetso.
Liquid Barium Zinc PVC Stabilizers li fana ka tekanyo ea ho boloka litšenyehelo, botsitso ba mocheso, le ho latela melao, e leng se etsang hore e be tsa bohlokoa haholo lihlahisoa tsa PVC tse bonolo le tse thata. Le ha likhatello tsa tikoloho li tsamaisa phetoho ho mefuta e meng ea calcium-zinc, thepa ea bona e ikhethang e netefatsa bohlokoa bo tsoelang pele mebarakeng e ikhethileng. Baqapi ba tlameha ho leka-lekanya litlhoko tsa ts'ebetso ka hloko le litataiso tsa taolo ho eketsa melemo ea bona.
Nako ea poso: Aug-08-2025