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Karolo ea li-catalyst ke efe karabelong ea polymerization ea hydroxyethyl acrylate?

2025-11-14

Hore karabelo ea ho iketsetsa polymerization e etsahale, ho hlokahala mocheso o loketseng pele. Ka kakaretso, mocheso o loketseng bakeng sa ho iketsetsa polymerization ea hydroxyethyl acrylate. MOLEMO e pakeng tsa 30°C le 60°C. Haeba mocheso o le tlase haholo, karabelo e tla lieha haholo kapa e se ke ea etsahala. Haeba mocheso o le holimo haholo, karabelo e ka ba matla haholo, e leng se etsang hore ho be thata ho laola ts'ebetso ea karabelo 'me e fella ka lihlahisoa tse sa tsitsang. Ka hona, ho laola mocheso ho bohlokoa haholo! Ntle le mocheso, leseli le lona ke ntlha ea bohlokoa. Hydroxyethyl acrylate e arabela haholo khanyeng ea ultraviolet (UV), 'me leseli la UV le ka khothalletsa ho arohana ha litlamo tsa lona tse peli, ka hona ho qala karabelo ea polymerization. Tlas'a mahlaseli a UV, polymerization ea hydroxyethyl acrylate hea e tla ba kapele haholo. Haeba re sebelisa lebone la UV kapa re le pepesetsa khanyeng ea letsatsi, le tla feta polymerization e potlakileng. Ak'u nahane feela, tlas'a khanya ea letsatsi, limolek'hule tsena li tšoana le ho tantša, li kopana kapele ho etsa lintho tse ncha. Ntle le mocheso le leseli, khetho ea catalyst e boetse e ama sekhahla le phello ea karabelo ea polymerization. Re tla eketsa di-catalyst tse ding tsa peroxide, tse kang hydrogen peroxide, kapa metsoako ya azo jwalo ka azobisisobutyronitrile (AIBN). Di-catalyst tsena di ka fokotsa mocheso wa ho qala ha karabelo ya self-polymerization ka katleho, tsa e dumella ho tswela pele hantle esita le maemong a tlase a mocheso. Di sebetsa e le di-accelerator! Ntle le catalyst, karabelo e ka ba butle haholo kapa ya se etsahale. Ka hona, karolo ya catalyst karabelong ya self-polymerization e ke ke ya hlokomolohuwa.

Sebopeho sa hydroxyethyl acrylate HEA se etsa qeto ea hore e na le polarity e itseng. Ka lebaka la phapang ea electronegativity ea liathomo tse fapaneng molek'huleng, kabo ea tjhaja ha e lekane. Polarity ena e e lumella ho kopanngoa hantle le li-solvents tse ling tsa polar, joalo ka ethanol le metsi.