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Kiki ekikwata ku bbugumu ly’okutereka hydroxyethyl acrylate ku mutindo?

2. 2.025-11-07 nga bwe kiri

Okusinziira ku ndowooza ya thermodynamics, mu kiseera ky’okutereka Ekirungo kya Hydroxyethyl Acrylate HEA, singa ebbugumu lya ttanka lisukka30°C, omulimu gwa molekyu ogw’ekintu gujja kweyongera nnyo, ekiyinza okwanguya ensengekera za kemiko. N’olwekyo, ebbugumu lirina okukakasibwa nti terisukka kkomo lino. Obumanyirivu mu nkola y’emirimu bulaga nti ebbugumu lya ttanka y’okutereka HEA eya hydroxyethyl acrylate bwe liba wansi okusinga 0°C, amazzi gaayo gajja kwonooneka nnyo, era okukaluba okw’ekifo kuyinza n’okubaawo, okukosa entambula eya bulijjo ey’ekintu. Bwe kityo, ebbugumu teririna kuba wansi nnyo. Okulowooza ku mpisa z’eddagala lya hydroxyethyl acrylate, enkyukakyuka y’ebbugumu mu ttanka y’okutereka erina okufugibwa munda ±5°C. Kino kiyinza okwewala obulabe obuyinza okuva mu kemiko obuva ku nkyukakyuka ennene mu bbugumu n’okukuuma obutebenkevu bw’embeera y’okutereka. Okusinziira ku mutindo gw’amakolero g’eddagala, mu biseera eby’ebbugumu eringi mu biseera by’obutiti, ttanka ezitereka hydroxyethyl acrylate HEA zirina okubeera n’ebipimo ebirungi eby’okunyogoza okukakasa nti ebbugumu munda mu ttanka terisukka 28°C, okuziyiza ebizibu ebiva mu kweyongera kw’ebbugumu ly’ekifo.

Ensengekera ya hydroxyethyl acrylate HEA esalawo nti erina polarity ezimu. Olw’enjawulo mu buziba bwa atomu ez’enjawulo mu molekyo, ensaasaanya ya chajingi teyenkanankana. Polarity eno egisobozesa okutabula obulungi n’ebizimbulukusa ebimu ebya polar, nga ethanol n’amazzi.