Ucoceko oluphezulu lweMethyl Hydroxyethyl Cellulose (MHEC) luyilo oluyimfuneko kwishishini lokwakha, ngakumbi kumdaka. Indima yayo ephambili njengearhente yokugcina amanzi ichaphazela kakhulu ukusebenza, ukuqina, kunye nokusebenza kodaka.
Iipropati ze-High-Purity ye-MHEC
1. Ubume beMichiza kunye nobunyulu:
I-MHEC i-cellulose derivative efunyenwe nge-etherification ye-cellulose kunye namaqela e-methyl kunye ne-hydroxyethyl. Ubume bayo beekhemikhali bubandakanya amaqela e-hydroxyl (-OH) aququzelela i-hydrogen bonding kunye neamolekyu zamanzi, ukuphucula amandla okugcina amanzi. Ucoceko oluphezulu lwe-MHEC lubonakaliswa yinqanaba eliphezulu lokutshintshwa (DS) kunye neqondo eliphantsi le-polymerization (DP), ekhokelela ekunyibilikeni okungcono kunye nokuhambelana kwizicelo zodaka.
2. Ukunyibilika kunye neViscosity:
Ucoceko oluphezulu lwe-MHEC lunyibilika kumanzi abandayo nashushu kodwa alunakunyibilika kwizinto ezininzi ezinyibilikayo. I-viscosity yayo iyahluka ngokugxininiswa kunye nobushushu, idlala indima ebalulekileyo ekusebenzeni kunye nokubambisana kodaka. I-viscosity yezisombululo ze-MHEC zichaphazela ngokuthe ngqo iipropati zokugcina amanzi, njengoko i-viscosity ephezulu iphakamisa ukubopha kwamanzi ngaphakathi kwe-matrix yodaka.
IiNdlela zokuGcina Amanzi
1. Ukusekwa kweNethiwekhi efana neGel:
Emva kokuchithwa emanzini, i-MHEC yenza i-viscous, i-gel-like network ebamba iimolekyuli zamanzi. Olu nxibelelwano lusebenza njengesithintelo, lucotha ukuphuphuma kwamanzi kunye nokufunxwa kwamanzi ngezinto ezijikelezileyo, ezifana nesamente kunye ne-aggregates. Isakhiwo esifana ne-gel sibonelela ngokukhululwa kwamanzi okulawulwayo, okuyimfuneko kwi-hydration efanelekileyo yeengqungquthela zesamente.
2. Ukunciphisa i-Capillary Action:
Ucoceko oluphezulu lwe-MHEC lunciphisa isenzo se-capillary ngaphakathi kodaka ngokuzalisa i-micro-pores kunye ne-capillaries kunye nenethiwekhi yayo efana ne-gel. Oku kuncitshiswa kunciphisa ukuhamba kwamanzi kumphezulu, apho anokuthi abe ngumphunga. Ngenxa yoko, umxholo wamanzi wangaphakathi uhlala uzinzile, ukhuthaza ukunyanga okungcono kunye nokuhanjiswa kwamanzi.
3. UkuPhuculwa kweNtsebenziswano kunye noZinzo:
I-MHEC iphucula ukudibanisa komdaka ngokunyusa i-viscosity kunye nokudala umxube ozinzile. Olu uzinzo luvimbela ukuhlukana kwamacandelo kwaye luqinisekisa ukuhanjiswa okufanayo kwamanzi kulo lonke udaka. Ubume obubambeneyo be-MHEC bukwaphucula ukunyathela komdaka kwi-substrates, ukunciphisa ukuncipha kunye nokuqhekeka.
Izibonelelo ze-MHEC ecocekileyo kwi-Mortar
1. Ukomelezwa kokuSebenza:
Iimpawu zokugcina amanzi ze-MHEC ziphucula ukusebenza kodaka ngokugcina umswakama ohambelanayo. Oku kubangela umxube ogudileyo, oguquguqukayo olula ukuwusebenzisa kunye nokubumba. Ukusebenza okuphuculweyo kunenzuzo ngokukhethekileyo kwizicelo ezifana nokutyabeka kunye nokunamathiswa kweetayile, apho kulula ukufaka isicelo.
2. Ixesha lokuvula elongeziweyo:
Ucoceko oluphezulu lwe-MHEC lwandisa ixesha elivulekileyo lodaka, livumela ixesha elingakumbi lohlengahlengiso kunye nokugqiba ngaphambi kokuba udaka lusete. Oku kunenzuzo ngakumbi kwimozulu eshushu okanye eyomileyo apho ukuphuphuma komphunga ngokukhawuleza kunokukhokelela ekomisweni kwangaphambi kwexesha kunye nokunciphisa amandla okudibanisa. Ngokugcina amanzi, i-MHEC iqinisekisa ixesha elide lokusebenza, iphakamisa umgangatho wesicelo sokugqibela.
3. UPhuhliso lwaManzi kunye noPhuhliso lwaMandla olungcono:
I-hydration efanelekileyo ibalulekile kuphuhliso lwamandla kunye nokuqina kwi-samente-based mortars. Ucoceko oluphezulu lwe-MHEC luqinisekisa ukuba amanzi aneleyo afumaneka kwinkqubo yokuhambisa amanzi, ekhokelela ekubunjweni okungcono kwe-calcium silicate hydrates (CSH), ejongene namandla kunye nokunyaniseka komdaka. Oku kubangela imveliso egqityiweyo eyomeleleyo kwaye ehlala ixesha elide.
4. UThintelo loKuqhekeka kunye nokushwabana:
Ngokugcina amanzi kunye nokugcina umgangatho womswakama wangaphakathi ohambelanayo, i-MHEC inciphisa umngcipheko wokomisa i-shrinkage kunye nokuqhekeka. Iidaka ezingenawo ukugcinwa kwamanzi okwaneleyo zithande ukushwabana kwaye ziqhekeke njengoko zoma, zibeke esichengeni isidima sesakhiwo kunye nomgangatho wobuhle wosetyenziso. I-MHEC iyayithomalalisa le miba ngokuqinisekisa inkqubo kancinane kunye nokomisa.
5. Ukuhambelana nezinye izongezo:
Ucoceko oluphezulu lwe-MHEC luhambelana noluhlu olubanzi lwezinye izongezo ezisetyenziselwa ukwakhiwa kodaka, njengeplastiki, i-accelerators, kunye ne-retarders. Oku kuhambelana kuvumela ukuguqulwa okulungiselelwe kwiipropati zodaka ngaphandle kokunciphisa izibonelelo zokugcina amanzi ezinikezelwa yi-MHEC. Iququzelela ukuphuhliswa kwee-mortars ezikhethekileyo kwizicelo ezahlukeneyo kunye neemeko zokusingqongileyo.
Izicelo ezisebenzayo ze-MHEC kuMortar
1. Izincamathelisi zeThayile:
Kwizinto zokubambelela kwi-tile, ukucoceka okuphezulu kwe-MHEC kwandisa ukubambelela, ukusebenza, kunye nexesha elivulekileyo, okwenza kube lula ukubeka kunye nokulungelelanisa iileyili. Iipropati zokugcina amanzi zithintela ukomisa kwangaphambi kwexesha, ukuqinisekisa ukudibanisa okuqinileyo kunye nokunciphisa umngcipheko wokuqhawula iileyili ngokuhamba kwexesha.
2. IPlaster kunye noBonelelo:
I-MHEC iphucula ukusabalala kunye nokubambisana komxube, okubangelwa ukugqiba kakuhle. Ixesha elivulekileyo elongeziweyo kunye nokugcinwa kwamanzi kunegalelo ekunyangeni ngcono, ukunciphisa amathuba okuqhekeka kunye nokuphucula ukuqina kwe-plaster.
3. IiCompounds zokuZilinganisa:
Kwii-self-leveling compounds, i-MHEC inceda ukugcina ukuhamba kunye nokuhambelana komxube. Amandla ayo okugcina amanzi aqinisekisa ukugqitywa kwendawo efanayo kunye nokuthintela ukumisa ngokukhawuleza, oku kunokukhokelela kwiindawo ezingalinganiyo.
4. IiGrouts zeCementitious:
I-MHEC iphucula ukusebenza kunye nokugcinwa kwamanzi kwii-grouts ze-cementitious, ziqinisekisa ukuba zizalisa izikhewu ngokufanelekileyo kwaye zinyange ngokufanelekileyo. Oku kunciphisa ukucutheka kunye nokuphucula ukusebenza kwexesha elide le-grout, ngokukodwa kwiindawo ezinabantu abaninzi.
Imingeni kunye neNgqwalasela
1. UPhuculo lwedosi:
Ukusebenza kwe-MHEC njenge-arhente yokugcina amanzi kuxhomekeke kwi-dosage echanekileyo. Izixa ezigqithisileyo zinokukhokelela kwi-viscosity egqithisileyo, okwenza udaka lube nzima ukuphatha, ngelixa iimali ezingonelanga zisenokungaboneleli ngezibonelelo ezifunekayo zokugcina amanzi. Ukuqulunqwa okuchanekileyo kunye novavanyo luyimfuneko ukuphumeza ukusebenza kakuhle.
2. Imiba yokusingqongileyo:
Iimeko zokusingqongileyo ezifana nokushisa kunye nomswakama kunokuchaphazela ukusebenza kwe-MHEC kumdaka. Amaqondo obushushu aphezulu angakhawulezisa ukuphuphuma kwamanzi, afune iidosi eziphezulu ze-MHEC ukugcina ukusebenza. Ngokuchasene noko, ukufuma okuphezulu kunokunciphisa imfuno yee-arhente zokugcina amanzi.
3. Ukuqwalaselwa kweendleko:
Ucoceko oluphezulu lwe-MHEC lunokubiza kakhulu kunezinye iindlela ezisezantsi zokucoceka okanye ezinye ii-agent zokugcina amanzi. Nangona kunjalo, ukusebenza kwayo okuphezulu kunye neenzuzo ezibonelela ngokusebenza, amandla, kunye nokuqina kunokuqinisekisa ixabiso eliphezulu kwizicelo ezininzi.
Ucoceko oluphezulu lwe-MHEC luyinxalenye exabisekileyo kwimixube yodaka ngenxa yeepropati zayo ezikhethekileyo zokugcina amanzi. Ngokwenza inethiwekhi efana ne-gel, ukunciphisa isenzo se-capillary, kunye nokuphucula ukubambisana, i-MHEC iphucula ukusebenza, ukuqina, kunye nokusebenza ngokubanzi komdaka. Izibonelelo zayo zibonakala kwizicelo ezahlukeneyo, ukusuka kwi-adhesive tile ukuya kwii-self-leveling compounds. Ngelixa imingeni efana nokulungiswa kwedosi kunye nokuqwalaselwa kweendleko kukho, iingenelo zokusebenzisa ubunyulu be-MHEC bukwenza kube lukhetho olukhethiweyo lokufumana iziphumo zodaka oluphezulu.
Ukutyalwa kunye nokwenza izicelo,
Ixesha lokuposa: Jun-15-2024