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I-Seleculose enene yeqela leekhemikhali ezivela kwisellulose, i-polymer yendalo ifumaneka kwiindonga zeseli zezityalo. Aba baNtin banezicelo ezahlukeneyo kulwakhiwo kunye namashishini ayilondolozo ngenxa yepropathi yawo efana nokugcinwa kwamanzi, ukuthambisa, kunye nobuchule bokwenza ifilimu. Kwizicelo zoyilo, zisetyenziswa rhoqo njengeongezelelo ekwakheni izinto ezinje ngeziphene, iipeyinti, iipeyinti, izifaki, kunye nengubo. Ezi zixhobo zinceda ekuphuculeni ukusebenza, ukuqina kunye nokusebenza.

1. I-seluplose ebhaka

I-Seleulose Talupe yenziwa ngokutshintsha iimolekyuli zesellum ngokutshintsha amaqela e-hydroxyl (-), apho i-alkyl okanye enye i-alkyl okanye elinye iqela elisebenzayo. Inkqubo ye-etherhesition ihlala ibandakanya ukusetyenziswa kweerejista ezinje nge-methyl cyloride (ye-methyl cleride), okanye i-ethyl sethylse (ye-proplonene oxide (ye-hydroxypropy).

I-Selerise iveliswa kumabakala ahlukeneyo ngokusekelwe kwimozulu yemolekyuli, ukuzolula, kunye nenqanaba lokufaka endaweni yendlela yamaqela e-sellesese esele itshintshwa. Kwizicelo zoyilo, i-Selesese inyulwe ngokuthe ngqo amandla abo okuphucula ubume bezinto zokwakha ezifana nesamente, i-lime, i-gypsum, kunye neenkqubo ezisekwe phantsi.

2. Iindidi ze-seluplose

I-Colletectural-Ibanga le-Ibangane i-Ibanga le-Calulose e-Ethen linokufunyanwa ngokubanzi ngokusekwe kwisakhiwo sawo sekhemikhali kunye nezinto ezisebenzayo. Ezona ntlobo zisetyenziswa zisetyenziswayo zibandakanya:

2.1I-Methyl Selelose (MC)

I-Methyl SeleloseIveliswa yi-methylating selsulose, endaweni yenxalenye yamaqela e-hydroxyl kunye namaqela e-methyl. Inyibilika kakhulu emanzini abandayo kwaye iyenza ukungangqinelani kwejeli yokupheliswa.

Iimpawu:

Umthamo wokugcina amanzi

Isakhono sokwenza ifilimu

Ukuphuculwa kokuphuculwa kwezixhobo zokwakha ezinje ngodaka, i-stucco, kunye neenkqubo zesamente

Izenzo njengearhente yokuthambisa, ukwanda kwe-viscofity ngaphandle kokutshintsha iipropathi zokuhamba kwemixube

I-Binder egqwesileyo kunye nokuzinzisa kwiimveliso ezinjengeedhevers kunye neengubo

2.2Hydroxypropyl methyl seluplose (hpmc)

Esi sifo sesete sethe senziwe ngokuguqula i-methyl seluplose kunye namaqela e-hydroxypropyl.Hydroxypropyl methyl seluploseNgaba ukunyibilika kwamanzi ngakumbi kune-methyl ecocekileyo ye-metyl kwaye ibonelela ngeepropathi eziphuculweyo njengokuthi ngokuphuculwa bhetyebhetye, amanembeko kunye nozinzo.

Iimpawu:

Ukugcinwa kwamanzi okuhle kunye neepropathi zokubonisa

Inceda ekuphuculeni ukusebenza kunye nokuqina kweenkqubo ezisekwe kwisamente

Izenzo njengezilo esizimeleyo esinqeni, ezinikezela, kunye ne-tile

Inegalelo kwi-adhesion eyandisiweyo yengubo yangaphezulu

Inika ukumelana nokuqhekeza kwaye i-shrinkage kwingubo enkulu

2.3I-HYDROXYTYL ILANDILONE (Hec)

Hydroxyyl seluploseiveliswa ngokwazisa amaqela e-hydroxyteyl kwi-selsulose ngasemva. Eli thother liluncedo kakhulu ekulawuleni i-viscovity kunye ne-ratheology yezinto ezikhoyo.

Iimpawu:

Ukugcinwa kwamanzi kunye nolawulo lwe-viscosity

Ukuphucula ukusebenza kwenkqubo yodaka lodaka

Isetyenziswe kwi-grout, udaka, kunye neepeyinti zesicelo esigudileyo kwaye sandise ixesha elivulekileyo

Kuthintela ukomisa ngokukhawuleza kwezinto, ukuvumela ukubekwa okulula

2.4I-Carboxymethyl Selelose (CMC)

I-carboxethmethyl seluploseiveliswa ngokwazisa i-carboxymethyl amaqela (-C2COOW) kwimo yeselselose. Kulumke, i-CMC isetyenziselwa ngokuyintloko ukugcinwa kwayo kwamanzi, ukuqina, kunye nokumiswa kwepropathi.

Iimpawu:

Ukubopha kwamanzi aphezulu kunye nokugcinwa

Inyuka i-RheOlogy kunye nepropathi ephuculweyo yokuhamba

Isetyenziswe kwisamente kunye neenkqubo zeplastiki zokuphucula ixesha elivulekileyo kwaye zinciphise i-shrinkage

Iqhelekile esetyenziswayo kwi-Wall Wall kunye ne-quages ​​edibeneyo ukuphucula ukusebenza

2.5MethylI-HydroxyEtheethy seluplose (MHec)

Methylhydroxyyl seluploseyindlela eguqulweyo ye-hydroxythyl seluplose ebandakanya iqela lengqolowa. Inepropathi efana nehec kodwa kunye nolwahlulelo malunga nokungabizi kunye nokuziphatha okuhle.

Iimpawu:

Inika imiphumo emihle kunye nokuzinzisa

Ukuphucula ukugcinwa kwamanzi kwaye kuphucula ukugungqa kwengubo

Isetyenziswe kwiimveliso ezahlukeneyo zesamente kunye neepeyinti zendlela engaguqukiyo kunye nokusasazeka ngokulula

3. Iipropathi kunye nemisebenzi yoyilo

I-seluplose ees idlala indima ebalulekileyo ekuguquleni indlela yokuziphatha kunye nokusebenza kwezixhobo zokwakha. Imisebenzi yabo ephambili yile ilandelayo:

3.1Ukugcinwa kwamanzi

I-SelesUlose ees yi-hydrophilic ye-hydrophilic kwindalo, okuthetha ukuba banokufumana kwaye babambe amanzi. Oku kubaluleke kakhulu kwiinkqubo ezisekwe kwimo yesamente njengoko kuthintela ukomisa ngaphambi kwexesha ngexesha lokunyanga, ukuqinisekisa ukuba isamente ngokufanelekileyo iqhume kakuhle kwaye izuzisa amandla ayo afunekayo.

3.2Ukusebenza

I-seluplose ehed iphucula ukusebenza kwezifa, iiplasters, kunye nokubhala ngokwandisa iprintassitys kunye nokuguquguquka. Oku kwenza kube lula ukuba abasebenzi basebenzise kwaye basebenzise izixhobo. Ukongezwa kwe-Selesese e-Seles kuqinisekisa isicelo esigudileyo, nkqu nakwimigangatho enzima.

3.3Ulawulo lwe-viscosity

I-Seletulose ehester ilawula i-viscosity yezinto ezizezolo, zibanika iipropathi zokuhamba ngokuchanekileyo. Oku kubalulekile kwizicelo ezinjenge-teivestheives, iipendaphu, kunye ne-grout, apho inguqu kunye nokufumaneka kwesicelo kubalulekile.

3.4Ukwenza ifilimu

I-seluplose enithu iFowuni leFowuni elibonelela ngokugudileyo, iqinile, kunye nenqanaba xa lisetyenziswa. Oku kubalulekile ukugqiba, iingubo, kunye neepeyinti, apho kufuneka ifilimu efanayo ukuqinisekisa ukubonakala okuphezulu ekumgangatho ophezulu kunye nokuqina kwexesha elide.

3.5I-Boing kunye ne-adhesion

I-Seletulose eTheri iphucula iipropathi zobumbiselo bezixhobo zokwakha, ukuqinisekisa ukuba iimoto, iithayile, kunye nezinye izinto zenziwa kakuhle. Oku kubaluleke kakhulu kwi-tilestheives, idibaniso kunye nokusetyenziswa kwesaphu.

3.6Ukuchasana nokuhluma kunye nokuqhekeka

I-seluplose enin inceda ukunciphisa umngcipheko wokuhluma kunye nokuqhekeka kwizixhobo zokwakha, ngakumbi kwiimveliso ezisekwe kwisamente. Ngokuphucula ukugcinwa kwamanzi kunye nokwandisa ixesha elivulekileyo, ezi zongezo zivumela umxholo oza kuhlala usebenza ixesha elide ixesha elide, ukunciphisa amathuba okwenza izinto zokuqhekeka ngexesha lokwenza.

4. Izicelo zoYilo

I-Selessulose yathi ibalulekile kwizicelo ezininzi zokwakha kunye nokwakha, ukuphucula umgangatho, ukuqina, kunye nokukhululeka kokusetyenziswa kwezinto zokwakha. Ezinye izicelo eziphambili zibandakanya:

Faza kunye neeplate: Kwimisebenzi yesamente, iseluplose enina ibonelela ngokuphuculwa kokuphumelela, ukunamathela, kunye nokugcinwa kwamanzi, kokwenza kube lula ukufaka kwaye kugcinwe izinto eziphezulu.

Amachaphaza eethayile: Ipropathi ye-Wonding ephuculweyo yeSelulose e kanile iqinisekisa iitayitile zinamathele kwi-termicates eyahlukeneyo, zibonelela ngamaqhina aqinileyo kunye nezilonda.

Ingubo yodonga: Amandla e-seluplose ecan ukuba enze ifilimu egudileyo kwaye aphucule ukungqinelana kwengubo encedayo ekugqityweni komgangatho ophezulu kuzo zombini izicelo zangaphandle nezangaphakathi.

Iimveliso zomileyo zomileyo: I-Selessese ethus ixhaphakile kwimixokelelwane yomxube eyomileyo njengemilinganiselo yokudityaniswa, i-ROLS, kunye neQonga lokuzilinganisa, kunye nokuzimela ngokwakho ukulawula ukulawula ukufakwa kunye nokugcinwa kwamanzi.

5. Itheyibhile yokuthelekisa i-seluplose

I-Selessulose eess zibalulekile kwizicelo zoyilo ngenxa yokwazi kwabo ukuphucula ubume bezinto zokwakha. Ngohlobo lwawo lokuguquguquka, basebenza ngeendima ezifanelekileyo ekuphuculeni ukugcinwa kwamanzi, ulawulo lwe-viscosity, ukungasebenzi, kunye nokuboleka. Amandla abo okuphucula ukusebenza kunye nokuqina kwezixhobo kubenza babe licandelo elibalulekileyo kulwakhiwo lwale mihla kunye noyilo loyilo. Ngokuqonda iindidi ezahlukeneyo zeselpulose Teses kunye neepropathi zabo, abavelisi banokukhetha ezongezelelekileyo zokufezekisa iimfuno ezithile zesicelo, ukuqinisekisa impumelelo yexesha elide kunye nokuthembeka kwezinto zokwakha.