Ko te Hydroxypropyl methylcellulose he tata kore e rewa i roto i te ewaro me te acetone. He tino u te wairewa wai i te pāmahana rūma, ka taea te kiri i te pāmahana teitei. Ko te nuinga o te hydroxypropyl methylcellulose kei runga i te maakete inaianei no te wai matao (te wai mahana o te ruma, te wai tap) momo inamata. Ko te HPMC te wai matao ka pai ake, ka pai ake te whakamahi. Me whakapiri tika te HPMC ki te wairewa wai matao i muri i te tekau ki te iwa tekau meneti kia puhoi haere. Mena he tauira motuhake, me whakaoho ki te wai wera kia marara, katahi ka ringihia ki te wai matao kia memeha i muri i te whakamatao.
Ka honoa nga hua o te HPMC ki te wai, ka whakakotahi, ka memeha, engari he tino puhoi, he uaua hoki tenei whakakorenga. Ko nga tikanga whakakorenga e toru e whai ake nei e taunakihia ana, a ka taea e nga kaiwhakamahi te whiriwhiri i te tikanga tino watea kia rite ki te ahuatanga o te whakamahinga (te nuinga mo te wai makariri HPMC inamata).
Tikanga whakakore me nga whakatupato o HPMC
1. Tikanga wai matao: I te wa e tika ana kia honoa atu ki te wairewa wai mahana, he pai ake te whakamahi i te momo whakamararatanga wai matao. Whai muri i te taapiri i te viscosity, ka piki haere te rite ki te whakaritenga taupū.
2. Te tikanga whakaranu paura: Ko te paura HPMC me te nui atu ranei o etahi atu waahanga paura ka tino marara ma te whakaranu maroke, a, i muri i te taapiri i te wai kia memeha, ka taea te whakakore i te HPMC i tenei wa ka kore e whakahiato. Inaa, ahakoa he aha te ahua o te hydroxypropyl methylcellulose. Ka taea te whakamaroke te whakakotahi tika ki etahi atu rauemi.
3. Tikanga makuku whakarewa pararopi: Ko te HPMC kua marara i mua, kua makuku ranei ki nga whakarewa pararopi, penei i te ethanol, te ethylene glycol, te hinu ranei, katahi ka rewa ki te wai, ka taea hoki te rewa te HPMC.
I te wa o te whakakorenga, ki te mea he agglomeration, ka takai. Koinei te hua o te whakakorikori koretake, no reira me tere ake te tere o te whakaoho. Mena he mirumiru kei roto i te whakakorenga, na te hau i puta mai i te whakakorikori koretake, a ka tukuna te otinga kia tu mo te 2- 12 haora (ko te waa motuhake kei runga i te rite o te otinga) te whakamaarama ranei, te pehanga me etahi atu tikanga. ki te tango, ko te taapiri i te nui o te defoamer ka taea hoki te whakakore i tenei ahuatanga. Ka taea hoki e te taapiri te nui o te defoamer te whakakore i tenei ahuatanga.
I te mea kei te whakamahia te hydroxypropyl methylcellulose i roto i nga momo ahumahi, he mea nui ki te mohio ki te tikanga whakakore o te hydroxypropyl methylcellulose mo tona whakamahinga tika. I tua atu, ka whakamaharahia nga kaiwhakamahi ki te aro ki te tiaki i te ra, te whakamarumaru o te ua me te makuku i te wa e whakamahia ana, te karo i te marama tika, me te rokiroki i roto i te waahi hiri me te maroke. A ape i te pa atu ki nga puna whakawera me te karo i te hanga o te puehu nui i roto i nga taiao kati hei aukati i nga aitua pahū.
Wā tuku: Hune-20-2023