Ko te mahi matua a te HPMC ko te pupuri wai me te whakamātotoru i roto i te moata sima me te paru gypsum, ka taea ai te whakapai ake i te piripono me te ātete totoro o te paru.
Ka pāngia te tere mimiti o te wai i roto i te moata sima me ngā hua e hangai ana ki te gypsum e ngā āhuatanga pēnei i te pāmahana hau me te pēhanga. Nō reira, i ngā wā rerekē, mā te tāpiri i te nui ōrite o te HPMC, ka rerekē te pānga pupuri wai o ngā hua. Ko te pupuri wai o te methyl cellulose ether i te pāmahana teitei he tohu nui hei wehewehe i te kounga o te methyl cellulose ether. Ka taea e te HPMC pai te whakaoti rapanga o te pupuri wai i raro i te pāmahana teitei. I ngā wā pāmahana teitei, inā koa i ngā wāhi wera me te maroke me te hanganga paparanga angiangi i te taha paki, me whakamahi HPMC kounga teitei hei whakapai ake i te pupuri wai o te paru. Ko te HPMC kounga teitei, he tino pai te ōritetanga, ko ōna rōpū methoxy me te hydroxypropoxy ka tohatohahia kia ōrite i te mekameka ngota cellulose, ka taea te whakapai ake i te kaha o ngā ngota hāora i runga i ngā hononga hydroxyl me te ether ki te hono ki te wai hei hanga hononga hauwai, kia noho ai te wai kore utu hei wai here, kia pai ai te whakahaere i te mimiti o te wai i puta mai i te pāmahana teitei me te whakatutuki i te pupuri wai teitei.
Ka taea te whakamarara ōrite me te whai hua i te HPMC cellulose kounga teitei ki roto i te moata sima me ngā hua e ahu mai ana i te gypsum, ā, ka kapi i ngā matūriki totoka katoa, ka hanga he kiriata mākū, ā, ka tukuna mārire te makuku i roto i te turanga mō te wā roa. Ka puta te tauhohenga whakamakuku o te rauemi whakapūmau, ā, ka whakarite i te kaha piri me te kaha pēhi o te rauemi. Nō reira, i roto i te hanganga raumati pāmahana teitei, kia tutuki ai te pānga o te pupuri wai, me tāpiri ngā hua HPMC kounga teitei kia rite ki te tauira, ki te kore, ka kore e ranea te whakamakuku, ka heke te kaha, ka pakaru, ka poka me te hinga nā te maroke tere rawa. Ka whakanuia hoki te uaua o te hanganga mō ngā kaimahi. I te hekenga o te pāmahana, ka taea te whakaiti mārire i te nui o te HPMC tāpiri, ā, ka taea te whakatutuki i te pānga pupuri wai ōrite.
Wā tuku: Maehe-26-2022