Hpmc (hydroxypylthylthylcelllose)bụ polymer na-ejikarị ngwaahịa na ngwaahịa ciment. Ọ nwere ezigbo ndị na-agbasasị, na-agbasa, mmiri na-egbochi ya na Njirimara Addesive, ya mere, ọ nwere ike ime ka arụmọrụ ngwaahịa ciment. N'ihepụta ngwaahịa na ntinye nke ngwaahịa, ha na-enwekarị nsogbu dịka ịka nká na-eme ka mmiri dịkwuo mma, na-eme ka nchegharị na-eguzogide, na imezi ike. Mgbakwunye nke HPMC nwere ike idozi nsogbu ndị a.
1. Meziwanye ụdị mmiri na ọrụ nke ciment slurry
N'ime mmepụta usoro nke ngwaahịa, mmiri bụ ihe dị mkpa na-emetụta ọrụ owuwu na ogo ngwaahịa. Dịka polymer Poly, HPMC nwere ike ịmalite usoro network ciment na ciment slurry, si otú ahụ na-eme ka ihe na-agbanwe agbanwe na ọrụ ike nke slurry. Ọ nwere ike wedata ọdịiche viscosit dị iche iche ciment slurry, na-eme ka rọba karịa na adaba maka iwu ma na-awụpụ. Na mgbakwunye, HPMC nwere ike ịnọgide na-ejigide ịdị n'otu ciment, gbochie ciment slurry site na ikewapụ n'oge usoro agwakọta, ma melite ọrụ n'oge usoro owuwu.
2. Mee ka njigide mmiri nke ngwaahịa ciment
Usoro hydration nke ciment bụ isi ihe na nguzobe nke ike ngwaahịa ciment. Agbanyeghị, ọ bụrụ na mmiri ahụ na ciment slurry na-apụ apụ ma ọ bụ funahụrụ ya ọsọ ọsọ, mmeghachi omume hydration nwere ike ịbụ ezughi oke, si otú a na-emetụta ike na kọmpat ngwaahịa. HPMC nwere njigide mmiri siri ike, nke nwere ike ịmịcha mmiri, na-egbu oge nke mmiri, ma na-eme ka mmiri nke ciment zuru oke, si otú a na-eme ka ike na ike na-emewanye ike Ngwaahịa ciment. Njupụta.
3. Meziwanye nguzogide na ihe isi ike nke apịtị
Ngwaahịa ciment na-adịkarị mfe ịgbada n'oge usoro hakedening, ọkachasị cracks na-egbu mgbu site na mmiri ọsọ n'oge a na-eme ngwa ngwa. Mgbakwunye nke HPMC nwere ike ime ka ihe mgbaze na-emegide ngwaahịa ciment site na ịba ụba vircoelastity nke slurry. Ihe owuwu nke HPMC nwere ike itolite na ciment ciment, nke na - enyere aka iwesa nza ma na - eme ka ihe ojoo di iche iche. Na mgbakwunye, HPMC nwekwara ike imeziwanye ihe siri ike nke ngwaahịa ciment, na-eme ka ha ghara ịgbaji n'okpuru akọrọ ọnọdụ okpomọkụ ma ọ bụ nke dị ala.
4. Meziwanye nguzogide mmiri na ogologo nke ngwaahịa ciment
Mmebi na mmiri na-eguzogide ngwaahịa ciment metụtara arụmọrụ ha na gburugburu ọgba aghara. HPMC nwere ike ịmalite ihe nkiri kwụsiri ike na ciment slurry iji belata petration nke mmiri na ihe ndị ọzọ na-emerụ ahụ. Ọ nwekwara ike ime ka mmiri na-eguzogide mmiri nke ngwaahịa ciment site na imeziwanye njupụta ciment ma mee ka nguzogide nke ngwaahịa ciment ka mmiri na-eguzogide mmiri. N'oge ojiji eji ogologo oge, ngwaahịa ciment kwụsiri ike na ọnọdụ iru mmiri dị elu ma ọ bụ nke dị n'okpuru mmiri, na-enweghị ike ịgbasa na nzere ya.
5. Meziwanye ike na ike ọsọ ọsọ nke ngwaahịa ciment
N'oge usoro ọgwụgwọ hydration nke ciment, mgbakwunye nke hpmc nwere ike ịkwalite mgbasa nke ciment na ịbawanye ọnụego ciment, si otú ahụ na-abawanye ọnụego hydration na ike uto nke ciment. Na mgbakwunye, HPMC nwere ike ịmalitezi arụmọrụ ciment na mmiri, mee ka mmepe nke ngwaahịa ciment dịkwuo elu, ma si otú ahụ na-eme ka ike ikpeazụ. N'ụfọdụ ngwa pụrụ iche, HPMC nwekwara ike idozi ọnụego ọnụego ciment iji mee ka ihe owuwu dị iche iche.
6. Meziwanye ọdịdị na elu nke ngwaahịa ciment
Ọdịdị nke ngwaahịa ciment dị oke mkpa na nsonaazụ ikpeazụ, ọkachasị na ngwaahịa dị elu na nke dị mma, ebe ụcha na ịdị larịị bụ otu n'ime ihe ndị dị mkpa iji tụọ ogo. Site na idozigharị viscosity na rheulouloulouloulous Njirimara nke ciment slurry, HPMC nwere ike belata nsogbu dị iche iche dịka etemeete, na-eme ka elu nke ngwaahịa ciment dị omimi na iyi, ma melite ọdịdị ọdịdị. N'ime ngwaahịa ndị a na-achọsi ike, iji hpmc nwekwara ike imeziwanye otu na agba ha, na-enye ngwaahịa ndị ọzọ ọdịdị karị.
7. Meziwanye ntu oyi na-eguzogide nke ngwaahịa ciment
Ngwaahịa ciment ejiri na mpaghara dị ala mkpa inwe ogo nke nguzogide ntu oyi iji gbochie cracks na mmebi nke frizze-cawge cryze-cawge. HPMC nwere ike ime ka ntu oyi na-eguzogide ntuli aka nke ihe ndabara site na ịkwalite nkwụsi ike nke ciment slurry. Site na imeziwanye ngwaahịa a na-akọ ihe ma belata mmiri mmiri nke pomes ciment n'okpuru ọnọdụ okpomọkụ n'okpuru ọnọdụ mmebi nke mgbasa nke mgbasa dị na mmiri.
Ngwa nkeHpmcNa ngwaahịa ngwaahịa ciment nwere ọtụtụ uru ma nwee ike ime ka arụmọrụ ngwaahịa ciment site na usoro dị iche iche. Ọ nwere ike ọ bụghị naanị ka ọ dịgide linination, nsị mmiri, mgbawa iguzogide na ike ngwaahịa ciment, kamakwa melite ogo elu, ịdịte aka na ntu oyi na-eguzogide ngwaahịa ciment. Ka ụlọ ọrụ na-ewu ụlọ na-aga n'ihu na-eme ka usoro ngwaahịa ciment chọrọ, na-emekwu ihe na-abawanye ụba ma rụọ ọrụ nke ọma na ntinye ngwaahịa na itinye ngwaahịa na ngwaahịa.
Oge Post: Dec-06-2024