Ka taea te whakarewa i te HPMC ki roto i te whakarewa kua konatunatua ki te wai matao me ngā mea rauropi hei hanga i tētahi otinga matotoru mārama. He kaha te mahi o te mata o te otinga wai, he mārama teitei, ā, he pumau kaha. Kāore tōna whakarewatanga i roto i te wai e pāngia e te pH. He pānga whakamātotoru me te ārai huka i roto i te hopi horoi me te wai kaukau, ā, he pupuri wai me ngā āhuatanga hanga kiriata pai mō te makawe me te kiri. Nā te nui haere o ngā rauemi mata taketake, ka taea e te cellulose (whakamātotoru ārai huka) te whakaiti i te utu me te whakatutuki i ngā hua pai ina whakamahia ki roto i te hopi horoi me te wai kaukau.
Ko ngā āhuatanga o te wai matao tere hydroxypropyl methyl cellulose o ia rā e whai ake nei:
1. He tino pai te mahi pupuri wai. He āhuatanga pai ki te wai te HPMC. Ka taea e ia te pupuri i te wai nui i roto i ngā hua whakapiri, whakapiri me te whakapiri.
2. Ka whakamahia e te HPMC wai matao hydroxypropyl methylcellulose ngā rauemi mata taiao, he ngawari te mahi, he iti te riri, he tiaki taiao me te haumaru.
3. He āhua pumau te PH, ā, ko te matotoru o te wairewa he pumau tonu i te awhe pH 3.0 ki te 11.0.
4. He kaha te mahi mata, te whakaemulsification, te tiaki colloid me te pumau whanaunga o te otinga wai o te hua. Ko tōna kukū mata he tata ki te 2%, ā, ko te otinga wai he 42-56dyn/cm.
5. Te matotoru me te wairewatanga wai, ka taea te wairewa tere ki te wai matao, ki ētahi whakarewa waro me ngā ranunga ki ngā whakarewa waro.
6. Whakanuia te matotoru: ina whakanuia he iti noa te wairewatanga, ka puta he otinga matotoru mārama, he āhuatanga pumau, he mārama hoki. Ka rerekē te wairewatanga me te matotoru. Ko te iti o te matotoru, ko te nui ake o te wairewatanga, ka taea ai te whakapai ake i te pumau o te rere o te pūnaha.
7. He ātete tote tino pai. He pūhui kore-ionic te HPMC, he pumau i roto i te wairewa electrolyte waro, i te electrolyte waro rānei.
8. Te whakawera wera: ina whakamahanatia te wairewa ki tētahi pāmahana, ka noho pōuriuri kia puta rā anō he āhua pupuhi, ka ngaro katoa te matotoru o te wairewa. Heoi anō, ka huri ki te āhua wairewa taketake i muri i te whakamatao. Mō te raruraru o te whakawera wera, ko te pāmahana te mea nui e whakawhirinaki ana ki te momo hua, te kukū o te wairewa me te tere whakamahana.
9. He āhuatanga anō tō te HPMC i roto i te ao o ngā tono matū o ia rā, pērā i ngā āhuatanga hanga kiriata pai rawa atu, te ātete whānui ki ngā whākōkī, ngā āhuatanga marara me te here.
Te wā tuku: Hurae-29-2022