I roto i te moata sima me te paru gypsum, ko te hydroxypropyl methylcellulose te nuinga o te mahi hei pupuri wai me te whakamātotoru, ā, ka taea te whakapai ake i te ātete piri me te totoro o te paru.
Ka pāngia te tere o te mimiti o te wai i roto i te moata sima me ngā hua gypsum e ngā āhuatanga pēnei i te pāmahana me te tere o te pēhanga hau. Nō reira, i ngā wā rerekē, he rerekētanga kei roto i te pānga pupuri wai o ngā hua me te nui o te hydroxypropyl methylcellulose i tāpirihia. I roto i te hanganga motuhake, ka taea te whakarite i te pānga pupuri wai o te paru mā te whakanui ake, te whakaiti rānei i te nui o te HPMC i tāpirihia. Ko te pupuri wai i raro i ngā āhuatanga pāmahana teitei he tohu nui hei wehewehe i te kounga o te hydroxypropyl methylcellulose ether.
Ka taea e ngā hua raupapa hydroxypropyl methylcellulose tino pai te whakaoti rapanga o te pupuri wai i raro i te pāmahana tiketike. I ngā wā pāmahana tiketike, 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. He tino pai te ōritetanga o te HPMC kounga teitei. Ka tohatohahia ōna rōpū methoxy me te hydroxypropoxy 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 atu 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 tiketike o te rangi, kia tutuki ai te pupuri wai teitei.
Ka taea te whakamarara i te hydroxypropyl methylcellulose kounga teitei ki roto i te moata sima me ngā hua gypsum, ka takai i ngā matūriki totoka katoa, ka hanga he kiriata whakamakuku, ā, ka tukuna mārire te makuku i roto i te turanga mō te wā roa, ā, ka tauhohe te waikura ki te rauemi whakapūkara kore-waro hei whakarite i te kaha here me te kaha pēhi o te rauemi.
Nō reira, i roto i ngā hanganga raumati pāmahana teitei, kia tutuki ai te pānga pupuri wai, me tāpiri ngā hua HPMC kounga teitei i roto i ngā rahinga e tika ana kia rite ki te tauira, ki te kore, ka kore e ranea te makuku, ka ngoikore te kaha, ka pakaru, ka pakaru, ka marere hoki ngā raruraru, engari ka piki ake hoki te uauatanga o te hanganga o ngā kaimahi. I te hekenga o te pāmahana, ka taea te whakaiti haere i te nui o te HPMC i tāpirihia, ā, ka taea te whakatutuki i te pānga pupuri wai ōrite.
Wā tuku: 13 Paenga-whāwhā 2023