He maha ngā kaiwhakamahi kāore i te aro nui ki te raruraru o te pāmahana o te hydroxypropyl methylcellulose. I ēnei rā, ko te hydroxypropyl methylcellulose te tikanga whānuitia e wehewehea ana i runga i te matotoru, engari mō ētahi taiao motuhake me ngā ahumahi motuhake, ko te matotoru anake o te hua e whakaatahia ana. Kāore i te nui, kei raro nei ka whakaurua pototia te pāmahana o te hydroxypropyl methylcellulose.
E pā tika ana te nui o te waikawa methyl ki te nui o te hanga ester o te cellulose ester, ā, ka whakatikatikaina te nui o te waikawa methyl hei whakahaere i te hanganga, te pāmahana tauhohenga me te wā tauhohenga. I taua wā anō, ka pā te taumata o te otinga ether ki te nui o te hydroxyethyl, te hydroxyapatite rānei. Nō reira, ka iti ake te mākū o ngā cellulose ether i ngā pāmahana teitei o te gel. Me mārama tēnei tukanga hanga, nō reira, kaua ki ngā taumata iti o te methoxides, ka paku teitei ake te utu o ngā cellulose ether.
I whakatauhia te pāmahana o te tīra ki te methoxide me te hydroxyproazepam me te hydroxyproxin. E toru noa ngā rōpū ka taea te whakakapi i te cellulose. Kimihia te pāmahana tika, tiakina te haumākū, me te whakatau i te tauira penupenu. Ko te pāmahana o te tīra te wāhi matua mō te whakamahinga o te cellulose ether. Ina nui ake te pāmahana o te taiao i te pāmahana tīra, ka tukuna te cellulose ether mai i te wai. Ko te pāmahana o te penupenu kei te mākete ko te whakatutuki i ngā hiahia o te otinga i roto i te taiao (haunga ngā āhuatanga motuhake). E whakaponohia ana i te wā e whakamahia ana te otinga, kāore e tika kia aro nui ki ngā tohu mahi i te wā e whakamahia ana te tīra. Ko te tikanga, me whai whakaaro te kaihanga o te cellulose ether ki tēnei tohu.
Wā tuku: Paenga-whāwhā-21-2023