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He aha te tūranga o ngā whakakorikori i roto i te tauhohenga whakapūhui-ā-roto o te hydroxyethyl acrylate?

2025-11-14

Mō te puta o te tauhohenga whakapūhui-ā-roto, me whai pāmahana tika tuatahi. Ko te whānuitanga pāmahana mō te whakapūhui-ā-roto o te hydroxyethyl acrylate PAI kei waenganui i te 30°C me te 60°C. Mēnā he iti rawa te pāmahana, ka tino puhoi te tauhohenga, ka kore rānei e puta. Mēnā he teitei rawa te pāmahana, ka tino kaha te tauhohenga, ka uaua ki te whakahaere i te tukanga tauhohenga, ā, ka hua ake he hua kore pumau. Nō reira, he mea tino nui te whakahaere i te pāmahana! Haunga te pāmahana, he mea nui anō hoki te mārama. He tino tauhohe te Hydroxyethyl acrylate ki te mārama ultraviolet (UV), ā, ka taea e te mārama UV te whakatairanga i te wehenga o ōna hononga takirua, ā, ka tīmata te tauhohenga polymerization. I raro i te hihi UV, ka tere ake te polymerization-whaiaro o te hydroxyethyl acrylate hea. Mēnā ka whakamahia e tātou he rama UV, ka whakaaturia rānei ki te rā, ka tere te polymerization-whaiaro. Whakaarohia, i raro i te rā, he rite ēnei ngota ki te kanikani, e tere ana te hono ki te hanga i ngā matū hou. Haunga te pāmahana me te mārama, ka pā anō hoki te kōwhiringa o te catalyst ki te tere me te pānga o te tauhohenga polymerization-whaiaro. Ka tāpirihia e tātou ētahi catalysts peroxide, pērā i te hauwai peroxide, ngā matū azo rānei pērā i te azobisisobutyronitrile (AIBN). Ka taea e ēnei whakakorikori te whakaheke i te pāmahana tīmatanga o te tauhohenga whakapūhui-ā-roto, kia pai ai te haere ahakoa i ngā pāmahana iti iho. He tino whakateretere rātou! Ki te kore he whakakorikori, ka tino puhoi pea te tauhohenga, ka kore rānei e puta. Nō reira, kāore e taea te wareware i te mahi a te whakakorikori i roto i te tauhohenga whakapūhui-ā-roto.

Mā te hanganga o te hydroxyethyl acrylate HEA e whakatau he āhua polarity tōna. Nā te rerekētanga o te electronegativity o ngā ngota rerekē i roto i te ngota, kāore i te ōrite te tohatoha utu. Mā tēnei polarity ka taea te whakaranu pai ki ētahi whakarewa polar, pērā i te etanoru me te wai.