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Kedu mmetụta nke okpomọkụ nchekwa nke hydroxyethyl acrylate nwere na mma ya?

2025-11-07

Site n'echiche nke thermodynamics, n'oge nchekwa nke hydroxyethyl acrylate Ọ DỊ MMAọ bụrụ na okpomọkụ tank ahụ karịrị30°C, ọrụ molekul nke ihe ahụ ga-abawanye nke ukwuu, nke nwere ike ime ka mmeghachi omume kemịkalụ dịkwuo ngwa ngwa. Ya mere, a ga-ahụ na okpomọkụ agaghị adị elu karịa oke a. Ahụmịhe ọrụ bara uru na-egosi na mgbe okpomọkụ nke tankị nchekwa hydroxyethyl acrylate HEA dị ala karịa 0°C, mmiri ya ga-emebi nke ukwuu, ike mpaghara nwekwara ike ime, na-emetụta njem nkịtị nke ihe ahụ. Ya mere, okpomọkụ ekwesịghị ịdị oke ala. N'ịtụle njirimara kemịkalụ nke hydroxyethyl acrylate, a ga-achịkwa oke mgbanwe okpomọkụ nke tank nchekwa n'ime ±5°CNke a nwere ike izere ihe egwu kemịkalụ nwere ike ibute site na nnukwu mgbanwe okpomọkụ ma nọgide na-enwe nkwụsi ike nke gburugburu ebe nchekwa. Dịka ụkpụrụ ụlọ ọrụ kemịkalụ si dị, n'oge okpomọkụ dị elu n'oge ọkọchị, a ga-etinye tankị nchekwa hydroxyethyl acrylate HEA nwere usoro oyi dị irè iji hụ na okpomọkụ dị n'ime tankị ahụ agaghị agafe 28°C, na-egbochi mmetụta ọjọọ nke mmụba nke okpomọkụ gburugburu ebe obibi kpatara.

Nhazi nke hydroxyethyl acrylate HEA na-ekpebi na o nwere polarity ụfọdụ. N'ihi ọdịiche dị na electronegativity nke atọm dị iche iche na molekul ahụ, nkesa chajị adịghị nhata. Polarity a na-enye ohere ka ọ na-agwakọta nke ọma na ụfọdụ ihe mgbaze polar, dịka ethanol na mmiri.