Iifama zokuzilinganisa ngokwazo ziya zithandwa kakhulu kushishino lokwakha ngenxa yokulula ukusebenzisa, iimpawu ezihamba phambili, kunye nokukwazi ukubonelela ngokugudileyo, umphezulu osicaba.Phakathi kwezithako ezahlukeneyo ezisetyenziselwa udaka lokuzilinganisa, i-hydroxypropyl methylcellulose (HPMC) idlala indima ebalulekileyo ekulawuleni i-viscosity.
I-self-leveling mortar inegama kwishishini lokwakha ngokukwazi kwayo ukudala indawo egudileyo, ethe tyaba kunye nomgudu omncinci.Ezi zixhobo zibonelela ngeenzuzo ezibalulekileyo kwiindlela zokulinganisa eziqhelekileyo, ezifana nokulula kwesicelo, ukomisa ngokukhawuleza kunye nokuhambelana neentlobo ezahlukeneyo ze-substrates.Isitshixo ekusebenzeni kodaka lokuzilinganisa lulawulo oluchanekileyo lweempawu ze-rheological, ngokukodwa i-viscosity, echaphazela ngokuthe ngqo ukuhamba kunye neempawu zokulinganisa.
1. Indima ye-HPMC kudaka lokuzilinganisa:
IHydroxypropylmethylcellulose (HPMC) yi-ether yeselulosi edla ngokusetyenziswa njenge-thickener kunye ne-rheology modifier kwizinto zokwakha.Kwimizila yokuzimela, i-HPMC yenza imisebenzi emininzi, kubandakanywa ukugcinwa kwamanzi, ukuphuculwa kokusebenza, kunye nokulawula i-viscosity.I-viscosity ephantsi i-HPMC ibaluleke ngakumbi njengoko ibonelela ngokuhamba kakuhle kunye nomgangatho ngelixa igcina ukugcinwa kwamanzi okwaneleyo kunye neempawu zoomatshini.
2. Ukubaluleka kwe-HPMC ye-viscosity ephantsi:
Ukuhamba okuphuculweyo: I-viscosity ephantsi ye-HPMC iququzelela ukuhamba kwee-self-leveling mortars, ezivumela ukuba zisasazeke ngokulinganayo phezu komhlaba kwaye zizalise ngokufanelekileyo i-voids kunye neziphene.Oku kubangela ukugqiba, ukugqiba okufanayo, ukunciphisa imfuno yokulungiswa kwendawo eyongezelelweyo.
Ukuphuculwa kokusebenza: Izixhobo zokuzilinganisa ezine-viscosity ephantsi ye-HPMC kulula ukuxuba, ukupompa kunye nokugalela, ukuphucula ukusebenza kunye nokunciphisa iimfuno zabasebenzi.Iikontraka zinokufikelela kwimveliso enkulu kunye nokusebenza kakuhle ngexesha lenkqubo yesicelo.
Ukunciphisa umngcipheko wokwahlula: Izongezo eziphezulu ze-viscosity zingabangela iingxaki zokwahlula, ezizinze ngokungalinganiyo kwi-aggregates kumxube wodaka.I-viscosity ephantsi ye-HPMC inceda ukuthintela ukwahlukana, ukuqinisekisa ukufana kunye nokuhambelana kwimveliso yokugqibela.
Ukunciphisa ukubanjiswa komoya: I-Viscosity ephezulu kakhulu inokubamba amaqamza omoya kwi-matrix yodaka, ibeke esichengeni amandla kunye nokuqina kwezinto.Ngokusebenzisa i-HPMC ye-viscosity ephantsi, umngcipheko wokungena emoyeni uyancitshiswa, okukhokelela kwindawo exineneyo, ehlala ixesha elide.
Ukuhambelana neSixhobo sokuPompa: Izixhobo zokuziphakamisa zihlala zifuna ukumpompa kwizicelo ezinkulu.Ifomula ye-HPMC ye-viscosity ephantsi iyahambelana nezixhobo zokumpompa ngokufanelekileyo, ukuhanjiswa okuqhubekayo ngaphandle kokuvala.
3. Izinto ezichaphazela i-viscosity:
Izinto ezininzi zinokuchaphazela i-viscosity ye-self-leveling mortar, kuquka:
Uhlobo lwepolymer kunye nobunzima bemolekyuli: Uhlobo kunye nobunzima bemolekyuli ye-HPMC inempembelelo enkulu kwi-viscosity.Iipolymers ezisezantsi ezinobunzima bemolekyuli zikholisa ukubonisa ii-viscosities ezisezantsi, ngelixa iipolymers ezinobunzima bemolekyuli zinokubangela ukwanda kwe-viscosity.
Umxholo wePolymer: Uxinzelelo lwe-HPMC kuqulunqo lodaka luchaphazela i-viscosity, kunye nokugxila okuphezulu okukhokelela kwi-viscosity ephezulu.
Ubungakanani besuntswana kunye nokusabalalisa: Ubungakanani bamasuntswana kunye nokuhanjiswa kwezinto eziqinileyo (umzekelo, i-samente kunye ne-aggregate) zichaphazela ukuziphatha kwe-rheological of self-leveling mortars.Iincinci ezincinci zinokunceda ukwandisa i-viscosity ngenxa yokwanda kwendawo kunye nokusebenzisana kwe-interparticle.
Umlinganiselo wamanzi kwi-binder: Umlinganiselo wamanzi kwi-binder material (kuquka i-HPMC) ichaphazela ngokuthe ngqo ubumanzi kunye ne-viscosity ye-self-leveling mortar.Ukulungelelanisa umlinganiselo wamanzi kwi-binder ivumela ulawulo oluchanekileyo lwe-viscosity kunye neempawu zokuhamba.
Inkqubo yokuxuba: Inkqubo yokuxuba ngokufanelekileyo, kuquka ukuxuba ixesha kunye nesantya, kunokuchaphazela ukusabalalisa kwe-HPMC kwi-matrix yodaka, ngaloo ndlela ichaphazela i-viscosity kunye nokusebenza ngokubanzi.
4. Ukuphumeza ukuqulunqwa kwe-HPMC ye-viscosity ephantsi:
Ukufumana imiqulu ye-viscosity ephantsi ye-HPMC yodaka lokuzilinganisa, iindlela ezininzi zinokusetyenziswa:
Ukukhetha iBanga le-HPMC eliLungileyo: Abavelisi banokukhetha amabakala e-HPMC anobunzima obusezantsi beemolekyuli kunye neeprofayili ze-viscosity ezilungiselelwe ukuhlangabezana neemfuno ezithile zesicelo.
Ukulungiswa kweRecipe: Ukulungiswa kakuhle kwezithako zodaka oluzimeleyo, kubandakanywa iintlobo kunye nomlinganiselo wezithako, kunokunceda ukufezekisa uluhlu olufunwayo lwe-viscosity.
Ukongezwa kwee-dispersants: Ukongezwa kwee-dispersants okanye i-defoamers kunokuphucula ukusasazeka kwe-HPMC kumxube wodaka, ukunciphisa i-viscosity kunye nokunciphisa ukungena komoya.
Ukusetyenziswa kokuxutywa kokucheba okuphezulu: Izixhobo zokuxuba zokucheba eziphezulu zinokukhuthaza ukusasazwa okufanayo kwe-HPMC kunye nezinye izongezo, ukonyusa ulwelo, kunye nokunciphisa i-viscosity.
ulawulo lobushushu: Ubushushu kuchaphazela iimpawu rheological of self-leveling udaka.Ukulawula ukushisa ngexesha lokuxuba kunye nesicelo kunceda ukufezekisa i-viscosity efunwayo kunye neempawu zokuhamba.
5. Iintsingiselo zexesha elizayo kunye namathemba:
Ukuphuhliswa kwe-low-viscosity ye-HPMC yokuqulunqwa kwe-self-leveling mortars kulindeleke ukuba iqhubeke njengoko abavelisi bezama ukuphucula ukusebenza, ukuzinza kunye nokusebenziseka komsebenzisi.Imikhwa yexesha elizayo inokuquka:
Ukudityaniswa kwezithako ezizinzileyo: Ukugxila okukhulayo kuzinzo kunokuqhuba ukwamkelwa kwezinto ezisekwe kwibhayoloji okanye eziphinda zisetyenziswe njengezinye izinto ezizezinye zezongezo zemveli, kubandakanywa iHPMC.
I-Advanced Rheology Modifiers: Uphando oluqhubekayo kwiimodyuli ezintsha ze-rheology kunye nezongezo zinokukhokelela kuphuhliso lweendlela ezisebenzayo ngakumbi ukuphumeza i-viscosity ephantsi kunye neempawu eziphuculweyo zokuhamba.
Imodeli yedijithali kunye nokulinganisa: Inkqubela phambili kwimodeli yedijithali kunye neteknoloji yokulinganisa iyakwazi ukuququzelela ukulungelelaniswa kokuqulunqwa kodaka oluzimeleyo, okuvumela ulawulo oluchanekileyo lwe-viscosity kunye nokusebenza.
Izisombululo ezenziwe ngokwezifiso zezicelo ezithile: Abavelisi banokubonelela ngezisombululo ezilungelelanisiweyo kwiimfuno ezithile zesicelo, ezifana nodaka olukhawulezayo lokumisela iiprojekthi ezithatha ixesha okanye ukwakhiwa kothuli oluphantsi kwiindawo zangaphakathi.
I-viscosity ephantsi ye-HPMC idlala indima ephambili ekusebenzeni kwe-self-leveling mortars, ukuphucula ukuhamba, ukusebenza kunye nokuhambelana.Ngokulawula ngokufanelekileyo i-viscosity, abavelisi banokuvelisa i-mortar eneendawo ezigudileyo, ezisicaba kunye nomgudu omncinci kunye nokusebenza okuphezulu.Njengoko ishishini lokwakha liqhubeleka nokuvela, uphuhliso lweendlela ezisezantsi ze-viscosity ze-HPMC zihlala zibalulekile ukuhlangabezana nemfuno ekhulayo yezisombululo ezikumgangatho ophezulu, ezisebenziseka lula.
Ixesha lokuposa: Feb-28-2024