1. Ni irihe zina rya hydroxypropyl methylcellulose?
——Igisubizo: Hydroxypropyl Methyl Cellulose, Icyongereza: Hydroxypropyl Methyl Cellulose Incamake: HPMC cyangwa MHPC Izina ry'irindi zina: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
2. Ni iyihe mikoreshereze nyamukuru ya hydroxypropyl methylcellulose (HPMC)?
——Igisubizo: HPMC ikoreshwa cyane mu bikoresho by'ubwubatsi, irangi, resins zikoze mu nganda, ibumba, ubuvuzi, ibiryo, imyenda, ubuhinzi, amavuta yo kwisiga, itabi n'izindi nganda. HPMC ishobora kugabanywamo urwego rw'ubwubatsi, urwego rw'ibiribwa n'urwego rw'imiti hakurikijwe icyo igamije. Kuri ubu, ibicuruzwa byinshi byo mu rugo ni urwego rw'ubwubatsi. Mu rwego rw'ubwubatsi, ifu ya putty ikoreshwa cyane, hafi 90% ikoreshwa mu ifu ya putty, naho ibisigaye bigakoreshwa mu gukora sima na kole.
3. Hari ubwoko butandukanye bwa hydroxypropyl methylcellulose (HPMC), kandi ni irihe tandukaniro riri hagati y’ikoreshwa ryabyo?
——Igisubizo: HPMC ishobora kugabanywamo ubwoko bw’ingufu zihita n’ubwoko bw’ingufu zihita zishonga. Ibikoresho by’ingufu zihita zishonga vuba mu mazi akonje hanyuma zikabura mu mazi. Muri iki gihe, amazi nta mvubura aba afite kuko HPMC ikwirakwira gusa mu mazi nta gushonga nyako. Mu minota 2, mvubura y’amazi yiyongera buhoro buhoro, igakora colloid ibonerana. Ibikoresho bishyushye, iyo bihuye n’amazi akonje, bishobora gukwirakwira vuba mu mazi ashyushye bikabura mu mazi ashyushye. Iyo ubushyuhe bugabanutse ku bushyuhe runaka, mvubura izagenda igaragara buhoro buhoro kugeza igihe ikoze colloid ibonerana. Ubwoko bw’ingufu zishyushye bushobora gukoreshwa gusa mu ifu ya putty na mortar. Muri kole y’amazi n’irangi, hazabaho ibintu byo gushyira hamwe kandi ntibishobora gukoreshwa. Ubwoko bw’ingufu zihita bukoreshwa mu buryo bwinshi. Bushobora gukoreshwa mu ifu ya putty na mortar, ndetse na kole y’amazi n’irangi, nta binyuranyo na kimwe.
4. Ni gute wahitamo hydroxypropyl methylcellulose (HPMC) ikwiriye mu bikorwa bitandukanye?
——Igisubizo::Gukoresha ifu ya putty: Ibisabwa ni bike, kandi ubushyuhe ni 100.000, birahagije. Icy'ingenzi ni ugukomeza amazi neza. Gukoresha morti: ibisabwa byinshi, ubushyuhe bwinshi, 150.000 ni byiza kurushaho. Gukoresha kole: ibikoresho byihuse bifite ubushyuhe bwinshi birakenewe.
5. Ni iki kigomba kwitabwaho mu ishyirwa mu bikorwa nyaryo ry'isano iri hagati y'ubushyuhe n'ubukonje bwa HPMC?
——Igisubizo: Ubushobozi bwa HPMC bungana mu buryo bunyuranye n'ubushyuhe, ni ukuvuga ko ubushobozi bwa HPMC bwiyongera uko ubushyuhe bugabanuka. Ubushobozi bwa HPMC dukunze kuvugaho bwerekeza ku bisubizo by'isuzuma rya 2% by'amazi ku bushyuhe bwa dogere selisiyusi 20.
Mu bikorwa bifatika, ni ngombwa kumenya ko mu turere dufite itandukaniro rinini ry'ubushyuhe hagati y'impeshyi n'itumba, ni byiza gukoresha ubushyuhe buke mu gihe cy'itumba, ibyo bikaba byoroshye mu bwubatsi. Bitabaye ibyo, iyo ubushyuhe buri hasi, ubushyuhe bwa selulose buziyongera, kandi intoki zigakomera mu gihe cyo gukurura.
Uburemere buri hagati: 75000-100000 ikoreshwa cyane cyane mu guteka puti
Impamvu: amazi agumana neza
Ubushyuhe bwinshi: 150000-200000 Ikoreshwa cyane cyane mu gushonga ubushyuhe bwa polystyrene particles mortar na vitrified microbead thermal insulation mortar.
Impamvu: Ubushyuhe buri hejuru, sima ntabwo byoroshye kugwa, kugwa, kandi imiterere yayo irarushaho kuba myiza.
6. HPMC ni eteri ya cellulose itari ionic, none se itari ionic ni iki?
——Igisubizo: Mu magambo y’abantu basanzwe, ibintu bitari iyoni ni ibintu bidahinduka iyoni mu mazi. Iyonize yerekeza ku buryo electrolyte ivangwamo iyoni zifite umuriro ushobora kugenda mu buryo bwizewe mu kintu runaka (nk'amazi, alcohol). Urugero, sodium chloride (NaCl), umunyu turya buri munsi, irashonga mu mazi igahinduka iyoni kugira ngo ikore iyoni za sodium zigenda zimuka (Na+) zifite umuriro mwiza na iyoni za chloride (Cl) zifite umuriro mubi. Ni ukuvuga ko iyo HPMC ishyizwe mu mazi, ntabwo ihinduka iyoni zifite umuriro, ahubwo ibaho mu buryo bwa molekile.
Igihe cyo kohereza: 26 Mata 2023