I-Hydroxyethyl Cellulose

I-Hydroxyethyl cellulose (HEC) yi-ether ye-cellulose e-non-ionic enyibilikayoizinto eziphuma kuyoezinokuthi zihlale kunye nezinye iipholima ezininzi ezinyibilikayo emanzini, ii-surfactants, kunye neetyuwa. I-HEC ineempawu zokuqina, ukumiswa, ukunamathela, i-emulsification, ukubunjwa kwefilimu ezinzile, ukusabalalisa, ukugcinwa kwamanzi, ukukhuselwa kwe-anti-microbial kunye nokukhuselwa kwe-colloidal. Ingasetyenziswa ngokubanzi kwiingubo, izithambiso, ukugaya ioli kunye namanye amashishini.

Iimpawu eziphambili zeHydroxyethyl cellulose(HEC)kukuba inokunyibilika emanzini abandayo kunye namanzi ashushu, kwaye ayinayo iimpawu zejeli. Inoluhlu olubanzi lokutshintshwa, ukunyibilika kunye ne-viscosity. Inozinzo oluhle lwe-thermal (ngaphantsi kwe-140 ° C) kwaye ayivelisi phantsi kweemeko ze-acidic. imvula. Isisombululo se-cellulose se-hydroxyethyl sinokwenza ifilimu ecacileyo, eneempawu ezingezizo ze-ionic ezingahambelani ne-ion kwaye zihambelana kakuhle.

Ukucaciswa kweKhemikhali

Iimveliso Amabanga 

Ci-haracteristics ye-HEC

1.Ukutyeba

I-HEC sisityebi esifanelekileyo sokwaleka kunye nezithambiso. Kwizicelo ezisebenzayo, indibaniselwano yokuqina kunye nokunqunyanyiswa, ukhuseleko, ukusasazeka, kunye nokugcinwa kwamanzi kuya kuvelisa iziphumo ezifanelekileyo.

2.I-Pseudoplasticity

I-Pseudoplasticity ibhekisela kwipropati yokuba i-viscosity yesisombululo iyancipha ngokunyuka kwesantya. Ipeyinti yeLatex equkethe i-HEC kulula ukuyisebenzisa kunye neebhulashi okanye i-roller kwaye inokunyusa ukuguquguquka kwendawo, enokuthi ikhulise ukusebenza kakuhle; iishampoos eziqulethe i-HEC zinobumanzi obulungileyo kwaye zibonakala kakhulu, zilula ukuhlanjululwa, kwaye kulula ukuzisasaza.

3.Ukunyamezela ityuwa

I-HEC izinzile kakhulu kwizisombululo zetyuwa eziphezulu kwaye ayiyi kubola ibe yi-ionic state. Ukusetyenziswa kwi-electroplating, umphezulu weendawo ezicwengiweyo zinokugqibeka ngakumbi kwaye ziqaqambe. Eyona nto iphawuleka ngakumbi kukuba isenayo i-viscosity entle xa isetyenziswa kwipeyinti yelatex eneborate, silicate kunye necarbonate.

4.Ukwenza ifilimu

Iipropati zokwenza ifilimu ze-HEC zingasetyenziswa kumashishini amaninzi. Kwimisebenzi yokwenza iphepha, ukugqoka nge-HEC-equkethe i-agent e-glazing inokuthintela ukungena kwegrisi, kwaye ingasetyenziselwa ukulungiselela izisombululo zeminye imiba yokuvelisa iphepha; kwinkqubo yokujikeleza, i-HEC inokunyusa ukunyameka kweentsinga kunye nokunciphisa umonakalo owenziwe ngoomatshini kubo. Kwinkqubo yokulinganisa, ukudaya kunye nokugqiba kwendwangu, i-HEC inokusebenza njengefilimu yokukhusela yesikhashana. Xa ukukhuselwa kwayo kungafuneki, inokuhlanjwa kude nefiber ngamanzi.

5.Ukugcinwa kwamanzi

I-HEC inceda ukugcina ukufuma kwenkqubo kwindawo efanelekileyo. Ngenxa yokuba inani elincinci le-HEC kwisisombululo samanzi linokufumana umphumo wokugcinwa kwamanzi okulungileyo, ukwenzela ukuba inkqubo iyanciphisa imfuno yamanzi ngexesha lokudibanisa. Ngaphandle kokugcinwa kwamanzi kunye nokubambelela, i-cement mortar iya kunciphisa amandla kunye nokubambisana kwayo, kwaye udongwe luya kunciphisa iplastiki phantsi koxinzelelo oluthile.

Usetyenziso

1.Ipeyinti yeLatex

I-Hydroxyethyl cellulose sesona sityebi sisetyenziswa kakhulu kwiingubo zelatex. Ukongeza kwiingubo zelatex ezityebileyo, inokuphinda ifake, isasaze, izinze kwaye igcine amanzi. Ibonakaliswa yimpembelelo ebalulekileyo yokuqina, ukuphuhliswa kakuhle kombala, iipropati zokwenza ifilimu kunye nokuzinza kokugcina. I-Hydroxyethyl cellulose yi-non-ionic cellulose derivative kwaye ingasetyenziswa kuluhlu olubanzi lwe-pH. Inokuhambelana kakuhle nezinye izinto ezikwicandelo (ezifana nee-pigments, i-additives, iifayili kunye neetyuwa). Iingubo ezijiyelwe nge-hydroxyethyl cellulose zine-rheology elungileyo kunye ne-pseudoplasticity kumazinga ahlukeneyo okucheba. Iindlela zokwakha ezifana nokuxubha, i-roller coating kunye nokutshiza zingamkelwa. Ulwakhiwo lulungile, akukho lula ukuthontsiza, ukudilika kunye nokutshiza, kunye nepropathi yokulinganisa nayo ilungile.

2.Ipolymerization

I-Hydroxyethyl cellulose inemisebenzi yokusabalalisa, i-emulsifying, ukumisa kunye nokuzinzisa kwi-polymerization okanye i-copolymerization component ye-synthetic resin, kwaye ingasetyenziselwa njenge-colloid ekhuselayo. Ibonakaliswe ngamandla okusabalalisa okunamandla, imveliso ephumayo ine-particle encinci "ifilimu", ubungakanani be-particle, i-particle shape shape, i-shape shape, i-fluidity enhle, i-transparency ephezulu yemveliso, kunye nokusebenza lula. Ekubeni i-cellulose ye-hydroxyethyl inokunyibilika emanzini abandayo kunye namanzi ashushu kwaye ayinayo indawo yokushisa ye-gelation, ifaneleka ngakumbi kwiimpendulo ezahlukeneyo ze-polymerization.

Iimpawu ezibalulekileyo ezibonakalayo ze-dispersant ziphezulu (okanye i-interfacial) uxinzelelo, amandla okudibanisa ubuso kunye nobushushu be-gelation yesisombululo sayo samanzi. Ezi mpawu ze-hydroxyethyl cellulose zifanelekile kwi-polymerization okanye i-copolymerization ye-synthetic resins.

Iselulosi ye-Hydroxyethyl inokuhambelana kakuhle nezinye ii-ether ze-cellulose ezinyibilikayo emanzini kunye ne-PVA. Inkqubo ehlanganisiweyo equlunqwe koku inokufumana isiphumo esibanzi sokuzalisekisa ubuthathaka bomnye nomnye. Imveliso ye-resin eyenziwe emva kokudibanisa ayinayo kuphela umgangatho omhle, kodwa iyancipha ilahleko yezinto eziphathekayo.

3.Ukwemba ioli

Kwi-oyile yokugaya kunye nemveliso, i-high-viscosity hydroxyethyl cellulose isetyenziswa kakhulu njenge-viscosifier yokugqiba ulwelo kunye nokugqiba ulwelo. I-low-viscosity hydroxyethyl cellulose isetyenziswa njenge-arhente yokulahlekelwa kwamanzi. Phakathi kodaka olwahlukeneyo olufunekayo ekusebenzeni, ukugqitywa, ukufaka i-cementing kunye ne-fracturing, i-cellulose ye-hydroxyethyl isetyenziswa njenge-thickener yokufumana umbane olungileyo kunye nokuzinza kodaka. Ngexesha lokugaya, umthamo wokuthwala udaka unokuphuculwa, kwaye ubomi benkonzo ye-drill bit bunokwandiswa. Kwi-low-solid completion fluids kunye ne-cementing fluids, ukusebenza kakuhle kokunciphisa ukulahlekelwa kwe-fluid ye-hydroxyethyl cellulose kunokuthintela ubuninzi bamanzi ukuba bangene kwi-oil layer ukusuka eludakeni kunye nokuphucula amandla okuvelisa i-oyile.

4.Ishishini lemichiza yemihla ngemihla

I-Hydroxyethyl cellulose yifilimu esebenzayo yangaphambili, i-binder, i-thickener, i-stabilizer kunye ne-dispersant kwii-shampoos, izitshizi zeenwele, i-neutralizers, i-conditioner yeenwele kunye nezithambiso; kwi-detergent powders Phakathi yi-arhente yokubuyisela ukungcola. I-Hydroxyethyl cellulose ichitheka ngokukhawuleza kwiqondo lokushisa eliphezulu, elinokukhawuleza inkqubo yokuvelisa kunye nokuphucula ukusebenza kakuhle kwemveliso. Isici esicacileyo se-detergents equkethe i-hydroxyethyl cellulose kukuba inokuphucula ukugudiswa kunye ne-mercerization yamalaphu.

5 Ukwakha

Iselulosi yeHydroxyethyl ingasetyenziswa kwiimveliso zokwakha ezifana nemixube yekhonkrithi, udaka olusandula ukuxutywa, udaka lwegypsum okanye olunye udaka, njl., ukugcina amanzi ngexesha lenkqubo yokwakha phambi kokuba zisete kwaye ziqine. Ukongeza ekuphuculeni ukugcinwa kwamanzi kwimveliso yokwakha, i-hydroxyethyl cellulose inokwandisa ukulungiswa kunye nexesha elivulekileyo le-plaster okanye i-samente. Inokunciphisa ulusu, ukutyibilika kunye nokuncipha. Oku kunokuphucula ukusebenza kolwakhiwo, ukwandisa ukusebenza kakuhle, ukonga ixesha, kwaye kwangaxeshanye kunyuse izinga lokunyusa umthamo wodaka, ngaloo ndlela kugcinwe imathiriyeli ekrwada.

6 Ezolimo

I-Hydroxyethyl cellulose isetyenziselwa i-emulsion ye-pesticide kunye ne-suspension formulations, njenge-thickener ye-emulsions yokutshiza okanye ukumiswa. Inokunciphisa i-drift ye-medicament kwaye iyenze ibambelele ngokuqinileyo kwindawo yeqabunga lesityalo, ngaloo ndlela yandisa umphumo wokusetyenziswa kwe-foliar spraying. Iselulosi ye-Hydroxyethyl ingasetyenziswa njenge-ejenti yokwenza ifilimu yokwaleka kwembewu; njengesibophelelo kunye ne-ejenti yokwenza ifilimu yokubuyisela amagqabi ecuba.

7 Iphepha ne-inki

Iselulosi yeHydroxyethyl ingasetyenziswa njengesixhobo sokulinganisa ephepheni nakwikhadibhodi, kunye ne-agent ejiya kunye ne-suspending yee-inki ezisekelwe emanzini. Kwinkqubo yokwenza iphepha, iipropati eziphezulu ze-hydroxyethyl cellulose ziquka ukuhambelana neentsini ezininzi, i-resin kunye ne-salts ye-inorganic, i-foam ephantsi, ukusetyenziswa kwe-oksijeni ephantsi kunye nokukwazi ukwenza ifilimu epholileyo. Ifilimu ine-permeability ephantsi kunye ne-gloss eqinile, kwaye inokunciphisa iindleko. Iphepha elincanyatheliswe nge-hydroxyethyl cellulose lingasetyenziselwa ukuprinta imifanekiso ekumgangatho ophezulu. Xa kusenziwa i-inki esekwe emanzini, i-inki esekwe emanzini ejiyelwe nge-hydroxyethyl cellulose yoma ngokukhawuleza, inombala oqaqambileyo, kwaye ayibangeli ukunamathela.

8 ilaphu

Ingasetyenziswa njenge-binder kunye ne-ejenti yokulinganisa kushicilelo lwelaphu kunye ne-ejenti yokudaya yokulinganisa kunye nokwaleka kwe-latex; i-agent ejiyayo yokulinganisa imathiriyeli ngasemva kwikhaphethi. Kwifiber yeglasi, ingasetyenziswa njenge-arhente yokwenza kunye ne-adhesive; kwi-slurry yesikhumba, inokusetyenziswa njengesilungisi kunye nokunamathelisa. Ukubonelela ngoluhlu olubanzi lwe-viscosity yale mibhobho okanye i-adhesives, yenza i-coating ifane ngakumbi kwaye ibambelele ngokukhawuleza, kwaye inokuphucula ukucaca kokuprinta kunye nokudaya.

9 iiCeramics

Ingasetyenziselwa ukwenza i-adhesives ephezulu yamandla kwi-ceramics.

10.intlama yamazinyo

Ingasetyenziswa njenge-thickener kwimveliso yentlama yamazinyo.

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