I-cellulose ethers yiklasi yeekhemikhali zemichiza ephuma kwi-cellulose, i-polymer yendalo efumaneka kwiindonga zeeseli zezityalo. Ezi selulosi ezitshintshiweyo zifumene izicelo ezibanzi kushishino lokwakha, ngakumbi kwimveliso yodaka kunye ne-gypsum-based. Ukufakwa kwabo kwezi zixhobo kuphucula kakhulu iimpawu zabo zokusebenza.
Iipropati zeMichiza ye-Cellulose Ethers
I-cellulose ethers ziveliswa ngokuguqula iikhemikhali zeselulosi ukuze zithathe indawo yamaqela ayo e-hydroxyl ngamaqela e-ether. Olu hlengahlengiso lunikezela ngeempawu ezahlukeneyo ezinqwenelekayo, ezinje ngokunyibilika kwamanzi, ukutyeba, kunye nesakhono sokwenza ifilimu. Iindidi eziqhelekileyo ze-cellulose ethers ezisetyenziswa ekwakheni ziquka:
I-Methylcellulose (MC)
I-Hydroxyethylcellulose (HEC)
IHydroxypropyl methylcellulose (HPMC)
Carboxymethyl cellulose (CMC)
Ezi ether ze-cellulose ziyahluka kumaqela athile abambeleyo, achaphazela ukunyibilika kwawo, i-viscosity, kunye nokusebenzisana namanye amacandelo kwizinto zokwakha.
IiNzuzo eziSebenzayo kwiiMveliso eziSekwe kuMdaka kunye neGypsum
Ukugcinwa kwamanzi
I-cellulose ethers iphakamisa kakhulu amandla okugcina amanzi kwi-mortar kunye neemveliso ezisekelwe kwi-gypsum. Lo mhlaba ubalulekile kwinkqubo yokufakwa kwamanzi kwisamente kunye negypsum. Ukugcinwa kwamanzi okuphuculweyo kuqinisekisa ukuba amanzi ahlala ekhona ixesha elide, ukuququzelela ukuhanjiswa okupheleleyo kunye nokunciphisa umngcipheko wokumisa kwangaphambi kwexesha, oku kunokukhokelela ekuqhekekeni nasekunciphiseni amandla.
Ukusetyenzwa kunye nokungaguquguquki
Ukongezwa kwe-cellulose ethers kuphucula ukusebenza kodaka kunye nemixube yegypsum. Ezi zixhobo zandisa i-viscosity kunye neplastiki yomxube, okwenza kube lula ukuphatha nokusebenzisa. Ukusebenza okuphuculweyo kuvumela ukusasazeka okungcono, ukunyathela, kunye nokubunjwa kwezinto eziphathekayo, okukhokelela kwimigangatho egudileyo kunye nezicelo ezichanekileyo.
I-Sag Resistance
Kwizicelo ezithe nkqo okanye ngaphezulu, njengokutyabeka kunye nokunikezela, ukuthoba kunokuba ngumba obalulekileyo. I-cellulose ethers inika iipropati ze-thixotropic kumxube, ukubonelela nge-gel-like consistency xa uphumle, onceda ukukhusela ukugoba. Ekuphazamisekeni okanye ekuchebeni, izinto eziphathekayo ziba nolwelo ngakumbi, zivumela ukusetyenziswa lula. Xa sele ifakiwe, ibuyela kwisimo sayo esifana nejeli, igcina indawo yayo ngaphandle kokuthoba.
Bond Amandla
Ukufakwa kwe-cellulose ethers kuphucula iimpawu zokubambelela zodaka kunye neemveliso zegypsum. Ukomelezwa kokuqina kwebhondi phakathi kwe-substrate kunye nezinto ezisetyenzisiweyo ziqinisekisa ukunamathela okungcono kunye nokunciphisa umngcipheko we-delamination. Le propati ibaluleke kakhulu kwizicelo ezifana ne-adhesives tile kunye nokunikezelwa kwangaphandle.
Ixesha lokumisela
I-cellulose ethers inokuchaphazela ixesha lokumisela udaka kunye neemveliso zegypsum. Ngokuxhomekeke kuqulunqo oluthile, banokukhawulezisa okanye bahlehlise inkqubo yokumisela. Olu lawulo lokumisela ixesha luvumela uhlengahlengiso olusekelwe kwiimfuno ezithile zesicelo kunye neemeko zokusingqongileyo, ukuqinisekisa ixesha elifanelekileyo lokusebenza kunye neemeko zokuphilisa.
Ukuncitshiswa kokuNcitshiswa kunye nokuKhatywa
I-Shrinkage kunye nokuqhekeka yimiba eqhelekileyo kwi-samente kunye nezixhobo ezisekelwe kwi-gypsum ngenxa yokulahlekelwa kwamanzi ngexesha lokumisa. I-cellulose ethers inceda ukunciphisa ezi ngxaki ngokugcina ukufuma ngaphakathi komxube ixesha elide. Le nkqubo yokomisa elawulwayo iyanciphisa amathuba okunciphisa kunye nokuqhekeka, okubangelwa izakhiwo ezizinzileyo nezizinzileyo.
Impembelelo kwiiNkqubo zoKwakha
Ukusebenziseka lula
Ukusebenza okuphuculweyo kunye nokungaguquguquki okubonelelwa ngee-ether ze-cellulose kwenza inkqubo yokufaka isicelo isebenze ngakumbi kwaye ingabinzima kakhulu emsebenzini. Abasebenzi banokufikelela ukugqiba okugudileyo ngomzamo omncinci, ukunciphisa ixesha elipheleleyo kunye neendleko zeeprojekthi zokwakha.
Ulawulo lwemeko
Ukufana kokuhambelana komxube kunye neempawu eziphuculweyo zokugcina amanzi zinegalelo kulawulo olungcono lomgangatho. Imixube ehambelanayo ikhokelela ekusebenzeni okuqikelelweyo kunye nokuthembekileyo, ukuqinisekisa ukuba imveliso yokugqibela ihlangabezana nemigangatho efunekayo kunye neenkcukacha.
Ukuguquguquka
I-cellulose ethers inokulungelelaniswa neemfuno ezithile ngokulungelelanisa isakhiwo sabo se-molecular kunye nokugxila. Oku kuguquguquka kuvumela ukuqulunqwa okulungiselelwe ukujongana neemfuno ezahlukeneyo zokwakha, ukusuka kwi-plastering kunye nokunikezelwa kwi-adhesives ye-tile kunye ne-self-leveling compounds.
Iingqwalasela zokusiNgqongileyo nezoQoqosho
Uzinzo
Njengoko i-cellulose ethers ivela kwizinto ezihlaziywayo zezityalo, ukusetyenziswa kwazo kunegalelo ekuzinzeni kwezenzo zokwakha. Banikezela ngenye indlela ehambelana nokusingqongileyo kwizongezo ezenziweyo, ukunciphisa icarbon footprint yeeprojekthi zokwakha.Indleko-Ngempumelelo
Ngelixa i-cellulose ethers inokongeza kwiindleko zokuqala zezinto eziphathekayo, izibonelelo zabo ngokubhekiselele ekusebenzeni okuphuculweyo, ukunciphisa umsebenzi, kunye nokunciphisa iindleko zokulungisa kunye nokugcinwa kweendleko kubenza babe nenzuzo yezoqoqosho ekuhambeni kwexesha. Ukomelezwa kokuqina kunye neziphene ezincitshisiweyo zikhokelela ekulungisweni okumbalwa kunye nezakhiwo ezihlala ixesha elide, ukuguqulela ukonga iindleko ngokuhamba kwexesha.
Izifundo zeMyelo kunye nezicelo
IPlasta kunye nokuBonelela
Kuludaka kunye nonikezelo lwezicelo, i-cellulose ethers iphucula ukusebenza, inciphisa ukuhexa, kwaye yandise ukugqitywa komphezulu. Ukusetyenziswa kwazo kukhokelela kwiindonga ezigudileyo, ezinomtsalane ngakumbi kunye neesilingi ezinokuqina okuphuculweyo.
Izincamathelisi zeThayile
Izinto zokuncamathelisa iithayile zixhamla kumandla okuqinisa ibhondi kunye nokusebenza okubonelelwa zii-cellulose ethers. Ezi zakhiwo ziqinisekisa ukubekwa kweethayile ezikhuselekileyo kwaye zinciphisa umngcipheko wokukhulula iithayile okanye ukuwa ngokuhamba kwexesha.
IiCompounds zokuZilinganisa
Kwiikhompawundi zokuzilinganisa, i-cellulose ethers iqinisekisa i-smooth, i-surface ngokulawula i-viscosity kunye nokuhamba kweempawu zomxube. Esi sicelo sibaluleke kakhulu kufakelo lomgangatho, apho umgangatho womgangatho ubalulekile.
Ukongezwa kwe-cellulose ethers kudaka kunye neemveliso ezisekwe kwigypsum kubonelela ngeenzuzo ezininzi ezonyusa ukusebenza, ukusebenza, kunye nokuqina kwezi zixhobo. Ngokuphucula ukugcinwa kwamanzi, ukuhambelana, amandla ebhondi, kunye nokunciphisa i-shrinkage kunye nokuqhekeka, i-cellulose ethers inegalelo kwiziphumo zokwakha eziphezulu. Impembelelo yazo kwiinkqubo zokwakha, idityaniswe neenzuzo zokusingqongileyo nezoqoqosho, igxininisa ukubaluleka kwazo kwimisebenzi yale mihla yokwakha. Njengoko ishishini lokwakha liqhubeka nokuguquka, indima ye-cellulose ethers ekuqinisekiseni izisombululo zokwakha ezizinzileyo nezisebenzayo ziya kuhlala zibalulekile.
Ixesha lokuposa: Jun-07-2024