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Dibutyltin Dilaurate: Sesebediswa se nang le Mekgwa e Mengata se nang le Ditshebediso tse fapaneng

Dibutyltin dilaurate, e tsejoang hape e le DBTDL, ke sesebelisoa se sebelisoang haholo indastering ea lik'hemik'hale. Ke sa lelapa la metsoako ea organotin 'me se ananeloa ka lebaka la thepa ea sona ea ho susumetsa lik'hemik'hale liketsong tse fapaneng tsa lik'hemik'hale. Motsoako ona o feto-fetohang o fumane lits'ebetso lits'ebetsong tsa polymerization, esterification, le transesterification, e leng se etsang hore e be karolo ea bohlokoa tlhahisong ea lihlahisoa tse fapaneng tsa indasteri.

E 'ngoe ea mekhoa ea mantlha ea dibutyltin dilaurate ke ho ba sesosa sa tlhahiso ea foam ea polyurethane, liphahlo le likhomaretsi. Indastering ea polyurethane, DBTDL e thusa ho thehoa ha likhokahano tsa urethane, tse bohlokoa bakeng sa nts'etsopele ea thepa ea polyurethane ea boleng bo holimo. Mosebetsi oa eona oa ho kopanya o nolofalletsa ho kopanngoa ha lihlahisoa tsa polyurethane ka katleho ka thepa e lakatsehang joalo ka ho tenyetseha, ho tšoarella le botsitso ba mocheso.

Ho feta moo,dibutyltin dilauratee sebelisoa e le sesebelisoa sa ho baka ho kopanngoa ha li-resin tsa polyester. Ka ho khothaletsa liketso tsa ho etsa esterification le transesterification, DBTDL e nolofalletsa tlhahiso ea thepa ea polyester e sebelisoang tlhahisong ea masela, liphutheloana le lits'ebetso tse fapaneng tsa indasteri. Karolo ea eona ea ho baka li-catalytic lits'ebetsong tsena e thusa ho ntlafatsa boleng ba sehlahisoa le ho ntlafatsa katleho ea tlhahiso.

MOFAN T-12

Ntle le karolo ea eona ho polymerization le esterification, dibutyltin dilaurate e sebelisoa tlhahisong ea li-elastomer tsa silicone le li-sealant. Mosebetsi oa catalytic oa DBTDL o bohlokoa ho hokahaneng ha li-polymer tsa silicone, e leng se lebisang ho thehoeng ha thepa ea elastomeric e nang le thepa e ikhethang ea mechini le ho hanyetsa mocheso le lik'hemik'hale. Ho feta moo, dibutyltin dilaurate e sebetsa e le catalyst ho phekoleng li-sealant tsa silicone, e nolofalletsang nts'etsopele ea lihlahisoa tsa sealant tse tšoarellang le tse sa fetoheng maemong a leholimo tse sebelisoang haholo lits'ebetsong tsa kaho le tsa likoloi.

Ho tenyetseha ha dibutyltin dilaurate ho atoloha ho tshebedisong ya yona e le ntho e thusang ho kopanya dikhemikhale tse mahareng tsa meriana le dikhemikhale tse ntle. Dithoto tsa yona tsa ho thusa ho kopanya dikhemikhale di bapala karolo ya bohlokwa ho nolofatseng diphetoho tse fapaneng tsa tlhaho, ho kenyeletswa le acylation, alkylation, le dikarabelo tsa condensation, e leng mehato ya bohlokwa tlhahisong ya metswako ya meriana le dikhemikhale tse ikgethang. Tshebediso ya DBTDL e le ntho e thusang ho kopanya dikhemikhale tsa boleng bo hodimo ka ditshebediso tse fapaneng.

Ho sa tsotellehe tšebeliso ea eona e pharaletseng e le sesebelisoa sa ho baka mathata a mangata,dibutyltin dilauratee hlahisitse matshwenyeho mabapi le ditlamorao tsa yona tse ka bang teng tikolohong le bophelong bo botle. Jwalo ka motsoako wa organotin, DBTDL e bile taba ya tlhahlobo ya taolo ka lebaka la chefo ya yona le ho tswela pele ha yona tikolohong. Ho entswe boiteko ba ho fokotsa tshusumetso ya tikoloho ya dibutyltin dilaurate ka ntshetsopele ya di-catalyst tse ding le ho kenngwa tshebetsong ha melao e thata e laolang tshebediso le ho lahla ha yona.

Qetellong, dibutyltin dilaurate ke sesebelisoa sa bohlokoa se nang le lits'ebetso tse fapaneng indastering ea lik'hemik'hale. Karolo ea eona ho polymerization, esterification, synthesis ea silicone, le liphetoho tsa tlhaho e totobatsa bohlokoa ba eona tlhahisong ea mefuta e mengata ea lihlahisoa tsa indasteri le tsa bareki. Le hoja thepa ea eona ea catalytic e le ea bohlokoa ho tsamaiseng lits'ebetso tse fapaneng tsa lik'hemik'hale, tšebeliso e nang le boikarabelo le tsamaiso ea dibutyltin dilaurate li bohlokoa ho fokotsa likotsi tse ka bang teng tikolohong le bophelong bo botle tse amanang le ts'ebeliso ea eona. Ha lipatlisiso le boqapi li ntse li tsoela pele, nts'etsopele ea li-catalyst tse tsitsitseng le tse sireletsehileng e tla kenya letsoho phetohong ea indasteri ea lik'hemik'hale ho ea mekhoeng e mosa haholoanyane tikolohong.


Nako ea poso: Mmesa-19-2024

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