Hydroxyethyl methyl Cellulose (hemsc) bụ nkwarụ ciment ciment na-abụkarị ihe a na-emekarị na ọrụ owuwu. Ọ bụ polmer na-agbanye mmiri na - enwetara site na ebe a na - agbanwe kemịkalụ nke osisi osisi sellose. Ngwa nke hems na ngwa agha ciment bụ iji melite ọrụ na ngwa agha site na imezi ihe ngbanwe nke ngwa agha (dị ka mmiri, vines, wdg).
1. Meziwanye ahịhịa ciment
Dị ka Troner, hems ike nwere ike ime ka ihe nke ngwa agha mee ka agbakwunye na ngwa agha cent. Usoro ya nke ime ihe bụ iwelie nguzogide nke ciment slurry site na ịmepụta mmekọrịta na mmiri ndị ọzọ na ciment matrix, si otú a na-eme ka mmiri ahụ dịkwuo elu. Mgbe ọdịdị ahụ dị mma, ọ bụghị naanị na ọ dị mfe itinye na ọkwa n'oge owuwu, ma na-emebi emebi ciment, ma melite nke ọma owuwe ihe owuwu na ogo.
2. Meziwanye viscosise nke ngwa agha
Hems nwere mmiri siri ike. Mgbe ị na-agbakwunye ọgwụ mgbochi na nkụda mmụọ, visse nke agha. Valiseụ mmụba ahụ na-enyere aka imezi arụmọrụ nke ngwa agha, ọkachasị mgbe ị na-ewuli elu na vetikal, iji gbochie ngwa agha site na ịrịgo ma ọ bụ daa. Na mgbakwunye, viscositse mmetụta na-abawanye na-arụ ọrụ dị mma n'ịzigharị ngwa agha na elu ma ọ bụ obere ọnọdụ okpomọkụ, ọkachasị na -achasị ọrụ ike ya.
3. Mee ka njigide mmiri nke ciment
Hems nwere ike ime ka njide mmiri nke cent, nke bụ akụkụ dị mkpa nke ngwa ya na-arụ ọrụ na ụlọ ọrụ owuwu ya. Njide mmiri bụ akụ dị mkpa nke ngwa agha ciment nke na-eme ka mmiri ghara ịpụpụ ma ọ bụ na-etinye ya n'oge owuwu. Hems na-eme ihe nkiri iji gbochie mmiri ọkụ ma na-edebe ihe ọkụkụ na-emeghachi omume, na-ezere nkụ na-akpaghị aka, ma na-abawanye ọrụ ciment iji hụ na ogo owuwu.
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Mgbe agbakwunyere Hemc na ngwa agha ciment, usoro rhite na-egosi njirimara nke mmiri mmiri na-abụghị ndị Newtontian, ya bụ, viscosity nke ngwa agha na mgbanwe nke ọnụego ya. Osisi viesh nke ngwa agha dị elu, ma mgbe ọnụego osisi na-abawanye, ngwa agha ahụ na-egosi ịkwa shirning peterponon. Hems nwere ike ịgbanwe ihe a, nke mere na ngwa agha ahụ nwere viccosity dị elu na ọnụego ya dị obere, na-agbasi ike na nkwụsi ike n'oge owuwu; Ọ bụ ezie na a na-eme ka mmiri dị elu, a na-eme ka mmiri ahụ dị mma, na-ebelata ibu ọrụ n'oge owuwu.
5. Meziwanye ọrụ na nkwụsi ike nke ngwa agha
Ọrụ nke hemsc na Mkpirisi cuces na-egosipụtakwa na idozi nkwụsi ike nke ngwa agha. Hems, dị ka ihe siri ike, nwere ike ịchịkwa ọnụego hydration nke ngwa agha ahụ ma gbochie stratification, ndọda na nkewa. Site na idozi ọnụ ọgụgụ nke hemp na-agbakwunye, enwere ike nweta arụmọrụ na nkwụsi ike dị iche iche chọrọ, ọkachasị mgbe ị na-ewu na gburugburu ebe obibi, mmetụta nke hemsc pụtara ìhè karị.
6. Mmekọrịta n'etiti ego nke hempc na arụmọrụ
Ọnụ ego nke hemsc bụ otu n'ime ihe ndị dị mkpa na-emetụta akụrụngwa nke cent. N'ikwu okwu n'ozuzu, a na-etinyekwu hemc, nsonaazụ ya pụtara ìhè nke imezi ihe nrịba ama nke Rheololoala bụ, mana enwerekwa oke. Mgbakwunye buru ibu nke hemsc nwere ike ibute mmụba nke oke ikuku, nke ga-emetụta ịdị ire nke iwu. Ya mere, na ngwa bara uru, ọ dị mkpa idozi ọnụego hempc dị ka ojiji ebe eji eme ihe na ihe ngwa agha.
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N'oge usoro ike nke okwute ciment, ọrụ nke hempc ka dị. Ọ bụ ezie na hemsc anaghị eso na mmeghachi omume hydration nke ciment, ọ nwere ike na-emetụta ihe ndị ahụ na-ahụ maka ihe ndị ahụ mgbe ha siri ike site na imezi ihu mmiri ciment. Dịka ọmụmaatụ, Hempc nwere ike igbu oge usoro nke ciment hydration, si otú a na-akwalite ike ike na ịdị ogologo nke ciment. Gburugburu ọnụ ọgụgụ kwesịrị ekwesị na-abụkarị ike na mgbochi ike, ma ọ dị mma karịchaa maka ọrụ owuwu na-achọ oge na-arụ ọrụ ogologo oge.
Dịka mgbakwunye dị mkpa maka ciment, hydroxyethyl methylcelllose (hemc) na-arụ ọrụ dị mkpa na imeziwanye ihe Njirimara, njigide mmiri, vinese, viscosity na ikesi ike nke ngwa agha. Hems nwere ike ime ka ihe ọkụkụ dị mma, meziwanye ọrụ, mee ka nkwụsi ike na nkọda, ma si otú a na-eme ka owuwu akụrụngwa. Agbanyeghị, ọnụọgụ nke hempc kwesịrị ịchịkwa nke ọma na mgba ọkụ ahụ rụpụtara ihe ndị kachasị mma na-arụ ọrụ n'oge usoro ọrụ ma zere mmetụta ọjọọ kpatara oke mgbakwunye. Ya mere, na ngwa bara uru, ego nke hemsc kwukwara na ọ ga-agbanwe nke ọma dịka ọnọdụ owuwu dị iche iche na ihe owuwu dị iche iche ga-esi rụọ ọrụ ya.
Oge post: Feb-21-2025