Ko te mahi a te cellulose ether hpmc he pupuri wai me te whakamātotoru i roto i te moata sima me te moata gypsum-based, ka taea te whakapai ake i te piri me te ātete poutū o ngā rauemi moata.
He pānga kino ngā āhuatanga pēnei i te pāmahana hau, te pāmahana me te tere o te pēhanga hau ki te tere o te mimiti o te makuku mai i te moata sima me ngā hua kei roto i te gypsum. Nō reira, he rerekētanga kei te tāpirihia te nui ōrite o ngā hua HPMC hei pupuri i te whai huatanga o te wai i ia wā.
I roto i te ringihanga raima, ka taea te whakarite i te pānga raka wai mā te whakanui me te whakaiti i te rere ā-wāhanga. Ko te tere pupuri wai o te methyl cellulose ether i te pāmahana teitei te uara matua hei wehewehe i te kounga o te methyl cellulose ether.
Ka taea e ngā hua HPMC kounga teitei te whakaoti rapanga o te raka wai i te pāmahana tiketike. I ngā wā pāmahana tiketike, inā koa i ngā wāhi wera me te makuku me te hanganga chromatography, e hiahiatia ana te HPMC kounga teitei hei whakapai ake i te pupuri wai o te paru.
He tino pai te taurite o te HPMC kounga teitei, ā, ko ōna rōpū methoxyl me te hydroxypropyl he ōrite te tohatoha i runga i te mekameka ngota o te cellulose, ka taea te whakarei ake i te kaha o ngā ngota hāora ki te hanga hononga covalent i runga i ngā hononga hydroxyl me te ether.
Ka taea e ia te whakahaere pai i te mimiti o te wai i puta mai i te wera o te rangi, ā, ka tutuki he pānga raka wai teitei. Ka taea te whakamahi i te HPMC methylcellulose kounga teitei i roto i te moata me te paraikete whakaranu o ngā mahi toi o Parī.
Whakakotahitia ngā matūriki totoka katoa hei hanga i tētahi kiriata makuku, ā, ka tukuna mārire te makuku i roto i te mahinga mō te wā roa, ka tauhohe ki ngā matū kore-waro me ngā rauemi collagen hei whakarite i te kaha here me te kaha kume.
Nō reira, i te papa hanga raumati wera, kia taea ai te penapena wai, me tāpiri he hua HPMC kounga teitei e ai ki te tunu, ki te kore, ka puta mai i te kore e totoka, te ngoikore o te kaha, te pakaru, te pahu hau me ētahi atu raruraru kounga hua. Ka tere rawa te maroke.
Ka whakapiki ake hoki tēnei i te uauatanga o te hanganga mō ngā kaimahi. I te hekenga o te pāmahana, ka heke haere te nui o te HPMC e tāpirihia ana kia tutuki ai te nui o te makuku.
Wā tuku: Mei-11-2023