Yintoni i-HPMC yodaka?

I-HPMC (i-hydroxypropyl methylcellulose) yinto esetyenziswa ngokuqhelekileyo kwizinto zokwakha, amayeza, ukutya, izimonyo kunye nezinye iinkalo. Isetyenziswa ngokubanzi kwizinto zokwakha, ngakumbi kumdaka. Imisebenzi ephambili ye-HPMC ibandakanya ukugcinwa kwamanzi odaka, ukwandisa i-viscosity, ukuqinisa ukunamathela kunye nokuphucula ukusebenza kolwakhiwo.

1. Iimpawu ezisisiseko ze-HPMC

I-HPMC yi-ether ye-cellulose engeyiyo-ionic efunyenwe ngonyango lwekhemikhali yomqhaphu wendalo okanye i-pulp yamaplanga. Isakhiwo sayo se-molecular iqukethe amaqela e-methoxy kunye ne-hydroxypropoxy, ngoko ke ine-solubility efanelekileyo yamanzi kunye neempawu zokwenza ifilimu. I-HPMC inomsebenzi othile womphezulu, ukutyeba kunye neempawu ze-gelling, kwaye yenza isisombululo se-colloidal ecacileyo okanye e-translucent xa inyibilika emanzini abandayo, eyenza ibonise ukusebenza kakuhle kwizinto zokwakha.

2. Indima kudaka

2.1 Ukugcinwa kwamanzi

Kudaka, izinga lokuphuma kwamanzi libe ngumphunga linempembelelo ebalulekileyo kumgangatho wokwakha. Ukuguquka kwamanzi ngokukhawuleza kakhulu kuya kubangela ukuba udaka lome ngaphambi kwexesha, ngaloo ndlela luchaphazela ukunamathela kunye nokomelela. I-HPMC inokugcinwa kwamanzi okugqwesileyo kwaye inokugcina ngokufanelekileyo ukufuma kwidaka, ithintele ekulahlekelweni ngumswakama ngokukhawuleza, ngaloo ndlela yandisa ixesha elivulekileyo lodaka kunye nokuqinisekisa ukwakhiwa okugudileyo.

2.2 Ukuqina kwesiphumo

I-HPMC isebenza njenge-thickener kudaka. Inokunyusa i-viscosity yodaka, okwenza kube lula ukuhamba kunye nokutyibilika ngexesha lokwakha. Esi siphumo sokuqina sibaluleke kakhulu kulwakhiwo lwe-facade, olunokuthi luthintele udaka ukuba lungatyibiliki xa lufakwe eludongeni.

2.3 Ukuncamathela okuphuculweyo

Ukubambelela kodaka yenye yezinto eziphambili, ezichaphazela ngokuthe ngqo umgangatho wokwakha kunye nobomi benkonzo yesakhiwo. I-HPMC inokuphucula ngokuphawulekayo ukubambelela kodaka, ukuvumela udaka ukuba lubambelele ngokuqinileyo kwi-substrate xa isetyenziswe, ngakumbi kwiindawo ezigudileyo ze-substrate.

2.4 Ukuphuculwa komsebenzi wokwakha

I-HPMC inokuphucula ukusebenza kokwakhiwa kodaka, iyenze isebenze ngakumbi. Ngokukodwa, i-mortar ilula kwaye ifanayo xa isetyenziswa, kwaye kulula ukuyisebenzisa kwaye ilula, ngaloo ndlela inciphisa ubunzima bokwakha kunye nokuphucula ukusebenza kakuhle kokwakhiwa.

3. Iinkalo zesicelo

I-HPMC isetyenziswa ngokubanzi kwiindidi ezahlukahlukeneyo zodaka, kubandakanywa kodwa kungaphelelanga kwi-adhesives tile, i-external wall insulation mortars, i-self-leveling mortars, i-plaster mortars, njl. Kwi-adhesives tile, i-HPMC inokuphucula i-anti-slip kunye nexesha elivulekileyo; kwimibhobho yokugquma eludongeni yangaphandle, i-HPMC inokunyusa ukunamathela phakathi komgangatho wokugquma kunye nomgangatho wesiseko ukukhusela ukuwa; kwizixhobo zokuzilinganisa, i-HPMC inokuphucula ulwelo kunye nokugcinwa kwamanzi, okwenza udaka lube lula.

4. Imiqathango yokusetyenziswa

Nangona i-HPMC inoluhlu olubanzi lwezicelo kunye nokusebenza okugqwesileyo kumdaka, la manqaku alandelayo kusafuneka aqatshelwe ngexesha lokusetyenziswa:

Ulawulo lwedosi: Idosi ye-HPMC kufuneka ihlengahlengiswe ngokohlobo lodaka kunye neemfuno ezithile zokwakha. Ukugqithiswa kwedosi kunokubangela ukuba udaka lube ne-viscous kakhulu kwaye luchaphazele ukwakhiwa; Idosi ephantsi kakhulu ayinakufezekisa umphumo oyifunayo.

Ukuxuba ngokulinganayo: Xa ulungiselela udaka, i-HPMC kufuneka ixutywe ngokupheleleyo ukuqinisekisa ukuba isasazwe ngokulinganayo kudaka, kungenjalo inokubangela ukungasebenzi kodaka olungalinganiyo.

Iimeko zokugcina: I-HPMC kufuneka igcinwe kwindawo eyomileyo nepholileyo, ukuphepha ukufuma ukuthintela ukufunxa ukufuma kunye ne-agglomeration, eya kuchaphazela umphumo wokusetyenziswa.

Njengezinto ezibalulekileyo zeekhemikhali, ukusetyenziswa kwe-HPMC kwidaka kuye kwaphucula kakhulu ukusebenza kodaka, okwenza ukwakhiwa kusebenze ngakumbi kunye nomgangatho ophezulu. Ngokuphucula ukugcinwa kwamanzi, ukujiya, ukuncamathela kunye nokusebenza kodaka, i-HPMC idlala indima ebaluleke kakhulu kwizinto zokwakha zangoku. Kwixesha elizayo, ngophuhliso oluqhubekayo lweteknoloji yokwakha, intsimi yesicelo kunye nesiphumo se-HPMC inokwandiswa ngakumbi kwaye iphuculwe.