I-putty ne-plaster yizinto ezibalulekile ekwakhiweni, ezisetshenziselwa ukudala izindawo ezibushelelezi nokuqinisekisa ukusimama kwesakhiwo. Ukusebenza kwalezi zinto kuthonywa kakhulu ukwakheka kwazo kanye nezithasiselo ezisetshenzisiwe. I-Methyl Hydroxyethyl Cellulose (MHEC) iyisengezo esibalulekile ekuthuthukiseni ikhwalithi nokusebenza kwe-putty ne-plaster.
Ukuqonda i-Methyl Hydroxyethyl Cellulose (MHEC)
I-MHEC iyi-ether ye-cellulose etholakala ku-cellulose yemvelo, eshintshwe ngezinqubo ze-methylation ne-hydroxyethylation. Lokhu kuguqulwa kunikeza ukuncibilika kwamanzi kanye nezakhiwo ezihlukahlukene zokusebenza ku-cellulose, okwenza i-MHEC ibe isithasiselo esiguquguqukayo ezintweni zokwakha.
Izakhiwo Zekhemikhali:
I-MHEC ibonakala ngokukwazi kwayo ukwenza isisombululo se-viscous lapho incibilika emanzini.
Inamandla amahle kakhulu okwenza ifilimu, ihlinzeka ngesendlalelo esivikelayo esithuthukisa ukuqina kwe-putty ne-plaster.
Izakhiwo Zomzimba:
Kwenyusa ukugcinwa kwamanzi emikhiqizweni kasimende, okubalulekile ekwelapheni okufanele kanye nokuthuthukiswa kwamandla.
I-MHEC inikezela nge-thixotropy, ethuthukisa ukusebenza kanye nokulula ukusetshenziswa kwe-putty ne-plaster.
Iqhaza le-MHEC ku-Putty
I-Putty isetshenziselwa ukugcwalisa ukungapheleli okuncane ezindongeni nophahla, inikeze indawo ebushelelezi yokudweba. Ukufakwa kwe-MHEC ekwenziweni kwe-putty kunikeza izinzuzo ezimbalwa:
Ukusebenza Okuthuthukisiwe:
I-MHEC ithuthukisa ukusabalala kwe-putty, okwenza kube lula ukusebenzisa nokusabalalisa kancane futhi ngokulinganayo.
Izakhiwo zayo ze-thixotropic zivumela i-putty ukuthi ihlale endaweni ngemva kokufaka isicelo ngaphandle kokugoqa.
Ukugcina Amanzi Okuthuthukisiwe:
Ngokugcina amanzi, i-MHEC iqinisekisa ukuthi i-putty ihlala isebenza isikhathi eside, inciphisa ingozi yokomisa ngaphambi kwesikhathi.
Lesi sikhathi esandisiwe sokusebenza sivumela ukulungiswa okungcono nokushelela ngesikhathi sohlelo lokusebenza.
Ukunamathela Okuphezulu:
I-MHEC ithuthukisa izakhiwo zokunamathela ze-putty, iqinisekisa ukuthi inamathela kahle kuma-substrates ahlukahlukene njengokhonkolo, i-gypsum, nesitini.
Ukunamathela okuthuthukisiwe kunciphisa amathuba okuqhekeka nokuhlukaniswa ngokuhamba kwesikhathi.
Ukuqina Okukhulisiwe:
Ikhono lokwenza ifilimu le-MHEC lidala umgoqo ovikelayo othuthukisa ukuqina kwesendlalelo se-putty.
Lo mgoqo uvikela indawo engaphansi kusuka kumswakama kanye nezici zemvelo, ukwandisa impilo yesicelo se-putty.
Iqhaza le-MHEC kuPlaster
I-Plaster isetshenziselwa ukwakha izindawo ezibushelelezi, ezihlala isikhathi eside ezindongeni nophahla, ngokuvamile njengesisekelo sokuqhubeka komsebenzi wokuqeda. Izinzuzo ze-MHEC ekwakhekeni kwe-plaster zibalulekile:
Ukuvumelana Okuthuthukisiwe Nokusebenza:
I-MHEC iguqula i-rheology ye-plaster, ikwenze kube lula ukuxutshwa nokufaka isicelo.
Inikeza ukuthungwa okungaguquguquki, okukhilimu okwenza kube lula ukusetshenziswa okubushelelezi ngaphandle kwezigaxa.
Ukugcina Amanzi Okuthuthukisiwe:
Ukwelashwa okufanele kwe-plaster kudinga ukugcinwa komswakama okwanele. I-MHEC iqinisekisa ukuthi ukhonkolo ugcina amanzi isikhathi eside, okuvumela ukugeleza okuphelele kwezinhlayiya zikasimende.
Le nqubo yokwelapha elawulwayo iphumela kungqimba lukakhonkolo oluqinile noluhlala isikhathi eside.
Ukuncishiswa Kwemifantu:
Ngokulawula izinga lokumisa, i-MHEC inciphisa ingozi yokuqhekeka kokuncipha okungenzeka uma ukhonkolo loma ngokushesha kakhulu.
Lokhu kuholela endaweni ekhonkolo ezinzile futhi efanayo.
Ukunamathela Okungcono Nokubumbana:
I-MHEC ithuthukisa izakhiwo zokunamathisela ze-plaster, iqinisekisa ukuthi ibopha kahle ngama-substrates ahlukahlukene.
Ukuhlangana okuthuthukisiwe ngaphakathi kwe-matrix ye-plaster kuholela ekuqedeni okuqinile futhi okuhlala isikhathi eside.
Izindlela Zokuthuthukisa Ukusebenza
Ukuguqulwa kwe-Viscosity:
I-MHEC inyusa i-viscosity yezixazululo ezinamanzi, okubalulekile ekugcineni ukuzinza kanye ne-homogeneity ye-putty ne-plaster.
Umphumela wokuqina we-MHEC uqinisekisa ukuthi izingxube zihlala zizinzile ngesikhathi sokugcinwa nokusetshenziswa, ukuvimbela ukuhlukaniswa kwezingxenye.
Ukulawulwa kwe-Rheology:
Imvelo ye-thixotropic ye-MHEC isho ukuthi i-putty ne-plaster ibonisa ukuziphatha kokunciphisa i-shear, iyancipha ukubonakala ngaphansi kwengcindezi ye-shear (ngesikhathi sokufaka isicelo) kanye nokuthola i-viscosity lapho uphumule.
Lesi sakhiwo sivumela ukusetshenziswa okulula kanye nokuguqulwa kwezinto, kulandelwa ukusetha okusheshayo ngaphandle kokuhlehla.
Ukwakhiwa Kwefilimu:
I-MHEC yenza ifilimu eguquguqukayo futhi eqhubekayo lapho yomiswa, enezela emandleni emishini kanye nokumelana ne-putty esetshenzisiwe kanye ne-plaster.
Le filimu isebenza njengesithiyo ngokumelene nezici zemvelo ezifana nomswakama nokwehluka kwezinga lokushisa, okuthuthukisa impilo ende yokuqeda.
Izinzuzo Zemvelo kanye Nezomnotho
Isengezo Esiqhubekayo:
Kususelwa ku-cellulose yemvelo, i-MHEC iyisengezo esibolayo futhi esinobungani bemvelo.
Ukusetshenziswa kwayo kunomthelela ekusimameni kwezinto zokwakha ngokunciphisa isidingo sezithasiselo zokwenziwa kanye nokuthuthukisa ukusebenza kwezithako zemvelo.
Ukusebenza Kwezindleko:
Ukusebenza kahle kwe-MHEC ekwenzeni ngcono ukusebenza kwe-putty ne-plaster kungaholela ekongeni kwezindleko esikhathini eside.
Ukuqina okuthuthukisiwe kanye nezidingo zokulungisa ezincishisiwe zehlisa izindleko zizonke ezihambisana nokulungisa nokuphinda kufakwe izicelo.
Ukusebenza kahle kwamandla:
Ukugcinwa kwamanzi okuthuthukisiwe nokusebenza kunciphisa isidingo sokuxutshwa njalo nokulungiswa kwezicelo, ukonga izindleko zamandla nezabasebenzi.
Inqubo yokwelapha eyenziwe kahle eyenziwe yi-MHEC iqinisekisa ukuthi izinto ezisetshenziswayo zithola amandla aphezulu ngokufaka okuncane kwamandla.
I-Methyl Hydroxyethyl Cellulose (MHEC) iyisengezo esibalulekile ekwenzeni ngcono ukusebenza kwe-putty ne-plaster. Ikhono layo lokuthuthukisa ukusebenza, ukugcinwa kwamanzi, ukunamathela, nokuqina kuyenza ibaluleke kakhulu ekwakhiweni kwesimanjemanje. Ngokuthuthukisa ukungaguquguquki, izakhiwo zokufaka isicelo, kanye nekhwalithi iyonke ye-putty ne-plaster, i-MHEC ifaka isandla emisebenzini yokwakha esebenza kahle futhi esimeme. Izinzuzo zayo zemvelo kanye nokuphumelela kwezindleko kuqhubezela phambili ukuqinisa indima yayo njengengxenye ebalulekile ezintweni zokwakha. Njengoba imboni yezokwakha iqhubeka nokuthuthuka, ukusetshenziswa kwe-MHEC ekwakhekeni kwe-putty ne-plaster cishe kuzosakazeka kakhulu, kuqhubekisele phambili intuthuko kubuchwepheshe bokwakha kanye nekhwalithi.
Isikhathi sokuthumela: May-25-2024