Te Mahi Taupānga o te HPMC
Ko te Hydroxypropyl methyl cellulose (HPMC) he momo cellulose ether kore-ionic, he mea hanga mai i ngā rauemi polymer tūturu hei rauemi mata, ā, he maha ngā tukanga matū kua whakatikatikaina. I tēnei rā ka ako tātou mō te mahi tono o te HPMC.
● Te wairewatanga wai: ka taea te wairewa ki te wai i roto i tētahi ōwehenga, ko te kukū teitei rawa e whakawhirinaki ana ki te matotoru, ā, kāore te wairewatanga e pāngia e te PH.1 Te wairewatanga waro: Ka taea te wairewa i te HPMC ki roto i ētahi whakarewa waro, i ngā otinga wai whakarewa waro rānei pērā i te dichloroethane, te otinga etanoru, me ētahi atu.
● Ngā āhuatanga o te tiēre wera: Ka puta te tiēre hurihuri ina whakamahanahia te wairewa ki tētahi pāmahana, me te mahi tautuhinga tere ka taea te whakahaere.
● Kāore he utu ionic: He cellulose ether kore-ionic te HPMC, ā, e kore e hono ki ngā ion konganuku, ki ngā mea rauropi rānei hei hanga i ngā matū kore-rewa.
● Te Whakamātotoru: He whakamātotoru tōna pūnaha wairewa, ā, e pā ana te pānga whakamātotoru ki tōna matotoru, te kukū, me te pūnaha.
● Te pupuri wai: Ka taea e te HPMC, e tana wairewa rānei te mimiti me te pupuri i te wai.
● Te hanganga kiriata: Ka taea te hanga i te HPMC hei kiriata maeneene, pakari, me te ngāwari, ā, he tino ātete ki te hinu me te waikura.
● Ātete ki te whākōkī: He tino pai te ātete o te otinga HPMC ki ngā whākōkī, ā, he pai hoki te pumau o te matotoru.
● Te pumau o te PH: He pumau te HPMC ki te waikawa me te kawakore, ā, kāore te pH e pāngia i te awhe 3-11. (10) Te ngohe o te mata: Ka whakaratohia e te HPMC te ngohe o te mata i roto i te otinga hei whakatutuki i ngā pānga emulsification me te tiaki colloid e hiahiatia ana.
● Āhuatanga ārai-totoka: Ka tāpirihia e te HPMC ngā āhuatanga thixotropic pūnaha ki te paura putty, te moata, te kāpia taera, me ētahi atu hua, ā, he tino pai te kaha ki te ārai-totoka.
● Te Mararatanga: Ka taea e te HPMC te whakaiti i te taumahatanga ā-kanohi i waenga i ngā āhua, ā, ka meinga te āhua marara kia marara ōrite hei pata o te rahi e tika ana.
● Piripiri: Ka taea te whakamahi hei here mō te mātotoru o te tae: 370-380g/l³ pepa, ā, ka taea hoki te whakamahi i roto i ngā paninga me ngā piripiri.
● Whakahinuhinu: Ka taea te whakamahi i roto i te rapa, te asbestos, te sima, me ngā hua uku hei whakaiti i te waku me te whakapai ake i te urunga o te paru raima.
● Whakatārewatanga: Ka taea e ia te ārai i te maturuturunga iho o ngā matūriki pumau, me te aukati hoki i te hanganga o te maturuturunga iho.
● Te Whakarewatanga: Nā te mea ka taea e ia te whakaiti i te taumahatanga o te mata me te atanga, ka taea e ia te whakau i te whakarewatanga.
● Koroiti tiaki: Ka hangaia he paparanga tiaki ki te mata o ngā pata kua marara hei ārai i ngā pata kei hanumi, kei kohikohi hoki kia tutuki ai he pānga tiaki pumau.
Wā tuku: Mei-08-2025