HPMC (Hydroxypropyl Methylcellulose), dị ka ihe dị mkpa mmiri-soluble polymer chemical, na-eji ọtụtụ ebe na-ewu ihe, karịsịa na mgbidi putty na tile ciment gluu. Ọ bụghị naanị na ọ na-emeziwanye arụmọrụ ihe owuwu ahụ, kamakwa imeziwanye mmetụta ojiji nke ngwaahịa ahụ ma mee ka ọrụ ahụ dịkwuo ogologo.
1. Basic e ji mara HPMC
HPMC bụ ntụ ntụ ọcha na-enweghị isi na enweghị isi nke sitere na cellulose eke emeziri nke ọma. Ọ nwere ezigbo mmiri solubility na nrapado. Ọdịdị kemịkal ya nwere otu kemịkalụ abụọ, hydroxypropyl na methyl, na-enye ya ihe pụrụ iche:
Ọkpụkpụ: Mgbe agbazere HPMC n'ime mmiri, ọ nwere ike ịmepụta ngwọta viscous ma mee ka viscosity nke mkpuchi ụlọ na nrapado dịkwuo elu.
Njide mmiri: Ọ nwere ike ijide mmiri nke ọma ma gbochie mmiri ịpụ ngwa ngwa, nke na-enyere aka nhazi ọkwa na ihe nrụpụta nke agba.
Meziwanye arụmọrụ ihe owuwu: mee ka mkpuchi na nrapado na-amị amị, belata esemokwu n'oge a na-ewu ụlọ, ma melite arụmọrụ ụlọ nke ndị ọrụ.
Njirimara imepụta ihe nkiri: Nwere ike imepụta ihe nkiri otu iji kwalite nrapanye agba.
2. Ngwa nke HPMC na mgbidi putty
Putty mgbidi bụ ihe dị mkpa na-ewu agba. A na-eji ya mee ka mgbidi ahụ dị nro ma na-edozi ntụpọ mgbidi. HPMC na-arụ ọrụ dị mkpa dị ka ihe mgbakwunye na putty mgbidi.
Melite arụmọrụ ihe owuwu nke putty: Ịgbakwunye ego HPMC kwesịrị ekwesị na putty nwere ike imeziwanye arụmọrụ ihe owuwu nke putty. N'ihi mmetụta siri ike nke HPMC, putty na-adị nro karị mgbe etinyere ya, na-ebelata nguzogide n'oge a na-ewu ụlọ ma na-emeziwanye nrụpụta ihe owuwu.
Melite adhesion: Mmetụta imepụta ihe nkiri nke HPMC na-enyere putty aka ịrapara n'ahụ mgbidi ahụ nke ọma, na-eme ka adhesion nke putty dịkwuo mma, ma na-egbochi putty ka ọ daa ma ọ bụ ịgbawa.
Ejikwa mmiri emelitere: Njide mmiri nke HPMC nwere ike igbu oge ihicha ngwa ngwa nke putty ma belata ihe omume nke nkụja akọrọ. Karịsịa mgbe ị na-arụ ọrụ n'elu nnukwu ebe, ọ nwere ike hụ na elu putty na n'ime oyi akwa akọrọ n'otu oge iji zere mgbawa nke ihicha nke elu elu.
Gbochie mmezi na stratification: The ndim ihe onwunwe nke HPMC nwekwara ike n'ụzọ dị irè igbochi mmezi na stratification nke putty n'oge nchekwa na melite nkwụsi ike nke putty ihe.
3. Ngwa nke HPMC na ceramic tile ciment nrapado
Glu simenti tile bụ isi ihe eji ejikọta taịlị na elu ala n'oge usoro ịtọkwa tile. Ngwa nke HPMC na ceramic tile cement adhesive emewo ka arụmọrụ na arụ ọrụ nke nrapado ciment dịkwuo mma.
Melite adhesion: Mgbakwunye nke HPMC nwere ike ịkwalite ike njikọ nke tile ciment gluu, hụ na taịlị ndị ahụ na-ejidesi ike n'elu ala ma gbochie taịl nile ka ha daa. Karịsịa n'elu ihe ndị dị nro ma ọ bụ nke na-adịghị mma, HPMC nwere ike ime ka adhesion dị n'etiti gluu na elu ala.
Melite ikike ịrụ ọrụ: ịgbakwunyeHPMCka tile ciment gluu nwere ike melite workability nke gluu. N'oge a na-arụ ọrụ, gluu ciment nwere mmamiri dị mma na ịdị mfe nke ịrụ ọrụ, na-ekwe ka ndị na-arụ ọrụ na-arụ ọrụ na-etinye ma na-edozi ọnọdụ nke taịl nile ngwa ngwa.
Ejikwa mmiri emelitere: Mmetụta njide mmiri nke HPMC dị mkpa karịsịa na nrapado ciment. Ọ nwere ike belata ọsọ ihicha nke ciment slurry, na-ekwe ka gluu nọgide na-enwe viscosity kwesịrị ekwesị ruo ogologo oge, na-ezere ịrụ ọrụ na-adịghị mma ma ọ bụ ịtọpụ taịlị seramiiki nke ihicha ngwa ngwa kpatara.
Meziwanye mgbape mgbape: N'oge usoro ihicha nke gluu ciment, mbelata ma ọ bụ mgbawa na-adịkarị mfe ime. Site na melite viscosity na film-akpụ Njirimara nke ciment gluu, HPMC n'ụzọ dị irè ebelata mgbape nsogbu kpatara ciment ihicha shrinkage, si otú mma n'ozuzu ewu àgwà.
4. Uru ndị ọzọ nke HPMC na ihe ụlọ
Nchedo gburugburu ebe obibi: HPMC bụ ihe na-acha akwụkwọ ndụ akwụkwọ ndụ na gburugburu ebe obibi, nke na-adịghị egbu egbu na nke na-adịghị njọ, ọ gaghị emerụ ahụ mmadụ na gburugburu ebe obibi. Ya mere, ngwa ya na ụlọ ọrụ ihe owuwu na-ezute ihe nchebe gburugburu ebe obibi nke oge a.
Akụ na ụba: HPMC nwere ike nweta nsonaazụ dị ịrịba ama na iji obere ojiji ma nwee arụmọrụ dị elu. Mgbakwunye ya nwere ike imeziwanye mma mgbidi mgbidi na tile cement gluu, ebe ọ na-ebelata ọnụ ahịa mmepụta.
Nkwaghari siri ike: HPMC nwere ezigbo ndakọrịta na ihe eji ewu ụlọ ndị ọzọ dị ka ciment, gypsum, latex, wdg, na ihe onwunwe ya dị iche iche nwere ike gbanwee ka ọ dị mkpa iji gboo mkpa ụlọ dị iche iche.
Ngwa nkeHPMCna mgbidi putty na tile ciment nrapado ọ bụghị nanị na-eme ka adhesion, iwu na ịdịte aka nke ihe onwunwe, ma na-egbochikwa mgbawa nke ọma, nkwụsị na nsogbu ndị ọzọ. Dị ka ihe mgbakwunye enyi na gburugburu ebe obibi, akụ na ụba na nke ọma, HPMC na-enye nkwa ihe dị elu maka ọrụ owuwu ọgbara ọhụrụ. Ka ụlọ ọrụ na-ewu ụlọ na-aga n'ihu na-agbaso nchebe gburugburu ebe obibi na ịrụ ọrụ nke ọma, ngwa nke HPMC ga-abawanye ụba, na-ekere òkè dị mkpa n'ịkwalite arụmọrụ nke ihe ụlọ.
Oge nzipu: Nov-14-2024