Ojiji ntụ ntụ Hpmcenwere ike ịgbasa ya n'otu ụzọ ahụ na nke ọma na ngwaahịa simenti na gypsum, na-ekpuchi ihe niile siri ike ma na-emepụta ihe mkpuchi mmiri. Mmiri dị na ntọala ahụ na-apụta nwayọ nwayọ n'ime oge dị ukwuu, ma na-enweta mmeghachi omume mmiri site na iji ihe simenti na-adịghị ahụkebe, si otú a na-eme ka ihe ndị ahụ sie ike ma nwee ike ịkpakọba.
Ya mere, n'oge okpomọkụ dị elu, iji nweta mmetụta njide mmiri, ọ dị mkpa ịgbakwunye oke ego zuru okehydroxypropyl methyl celluloseDịka usoro a si dị, ma ọ bụghị ya, nsogbu dị mma dịka enweghị mmiri zuru oke, ike belatara, mgbawa, oghere, na mwepụ nke nkụ ngwa ngwa kpatara ga-eme, ọ ga-emekwa ka ihe isi ike nke ndị ọrụ na-arụ ọrụ n'iwu dịkwuo elu. Ka okpomọkụ na-ebelata, enwere ike ibelata ọnụọgụ hydroxypropylmethylcellulose nwayọ nwayọ, a pụkwara inweta otu mmetụta njide mmiri ahụ.
Ọnọdụ okpomọkụ na ihe ndị a na-emetụta njide mmiri nke hydroxypropyl methyl cellulose:
1. Nha nhata nke hydroxypropyl methyl cellulose
N'otu aka ahụhydroxypropyl methyl cellulose, A na-ekesa otu Methoxy na hydroxypropyl n'otu aka ahụ, ọnụego njigide mmiri dịkwa elu.
2. Okpomọkụ nke jel okpomọkụ HPMC
Gel okpomọkụ ahụ nwere oke okpomọkụ na oke nchekwa mmiri; N'aka nke ọzọ, oke nchekwa mmiri dị ala.
3. Hydroxypropylmethylcelluloseviscosity
Mgbe viscosity nke ahụ dịHPMCmmụba, ọnụego njigide mmiri na-abawanye; Mgbe viscosity ruru ọkwa ụfọdụ, mmụba nke njigide mmiri na-abụkarị nwayọ nwayọ.
4. Mgbakwunye nke hydroxypropyl methyl cellulose
Ka ọnụọgụgụ hydroxypropyl methyl cellulose dị ukwuu, otú ahụ ka ọnụego nchekwa mmiri na-abawanye ma na-eme ka mmetụta nchekwa mmiri ka mma. N'ime oke mgbakwunye 0.25-0.6%, ọnụego nchekwa mmiri na-abawanye ngwa ngwa ka mmụba nke ọnụọgụ mgbakwunye; Ka ọnụọgụ mgbakwunye na-abawanye, mmụba nke ọnụego nchekwa mmiri na-ebelata nwayọ.
Oge ozi: Julaị-10-2023