I-Hydroxyethyl Cellulose

I-Hydroxyethyl cellulose (HEC) yi-non-ionic soluble cellulose etherizinto eziphuma kuzoezinokuthi zihlale kunye nezinye iipolymers ezininzi ezinyibilikayo emanzini, ii-surfactants, kunye neetyuwa. I-HEC ineempawu zokutyeba, ukumiswa, ukunamathela, ukuhlanganiswa kwe-emulsification, ukwakheka kwefilimu ezinzileyo, ukusasazwa, ukugcinwa kwamanzi, ukukhuselwa kwe-anti-microbial kunye nokukhuselwa kwe-colloidal. Ingasetyenziswa kakhulu kwiingubo, kwizinto zokuthambisa, ukubhola ioyile kunye neminye imboni.

Iimpawu eziphambili zeHi-ydroxyethyl cellulose(HEC)Ukuba inokunyibilika emanzini abandayo nasemanzini ashushu, kwaye ayinazo iimpawu zejeli, inoluhlu olubanzi lokutshintshwa, ukunyibilika kunye ne-viscosity. Izinzile kakuhle kubushushu (ngaphantsi kwe-140°C) kwaye ayivelisi imvula phantsi kweemeko ze-asidi. Isisombululo se-hydroxyethyl cellulose sinokwenza ifilimu ecacileyo, eneempawu ezingezizo ze-ionic ezingadibaniyo nee-ion kwaye zinokuhambelana kakuhle.

Iinkcukacha zeKhemikhali

Iimveliso Amabanga 

Ciimpawu ze-HEC

1.Ukujiya

I-HEC sisithambisi esifanelekileyo sokufaka izinto zokuthambisa kunye nezinto zokuthambisa. Kwimisebenzi ebonakalayo, ukuhlanganiswa kokutyeba kunye nokumiswa, ukhuseleko, ukusasazeka, kunye nokugcinwa kwamanzi kuya kuvelisa iziphumo ezilungileyo ngakumbi.

2.Ukungaqini kakuhle

I-Pseudoplasticity ibhekisa kwipropati yokuba i-viscosity yesisombululo iyancipha ngokwanda kwesantya. Ipeyinti ye-latex equlethe i-HEC kulula ukuyisebenzisa ngeebhrashi okanye iirola kwaye inokunyusa ukuguda komphezulu, nto leyo enokunyusa ukusebenza kakuhle; iishampu ezine-HEC zinobumanzi obuhle kwaye ziqinile kakhulu, kulula ukuzixuba, kwaye kulula ukuzisasaza.

3.Ukunyamezela ityuwa

I-HEC izinzile kakhulu kwizisombululo zetyuwa ezinoxinzelelo oluphezulu kwaye ayizukubola ibe yi-ionic. Xa isetyenziswa kwi-electroplating, umphezulu weendawo ezifakwe i-plated unokuba mhle kwaye ukhanye ngakumbi. Okubaluleke ngakumbi kukuba isene-viscosity entle xa isetyenziswa kwipeyinti ye-latex equlethe i-borate, i-silicate kunye ne-carbonate.

4.Ukwenziwa kweefilimu

Iimpawu zokwenza ifilimu ze-HEC zingasetyenziswa kumashishini amaninzi. Kwimisebenzi yokwenza iphepha, ukugquma nge-arhente yokugquma equlethe i-HEC kunokuthintela ukungena kwegrisi, kwaye kungasetyenziswa ukulungiselela izisombululo zezinye iinkalo zokwenza iphepha; kwinkqubo yokusonta, i-HEC inokunyusa ukuthamba kweefayibha kwaye inciphise umonakalo woomatshini kuzo. Kwinkqubo yobukhulu, ukudaya kunye nokugqiba ilaphu, i-HEC inokusebenza njengefilimu yokukhusela yexeshana. Xa ukhuseleko lwayo lungadingeki, inokuhlanjwa kwifayibha ngamanzi.

5.Ukugcinwa kwamanzi

I-HEC inceda ukugcina umswakama wenkqubo ukwimeko efanelekileyo. Kuba inani elincinci le-HEC kwisisombululo samanzi linokufumana isiphumo esihle sokugcina amanzi, ukuze inkqubo inciphise imfuno yamanzi ngexesha lokuxuba. Ngaphandle kokugcinwa kwamanzi kunye nokunamathela, i-samente mortar iya kunciphisa amandla ayo kunye nokuhambelana kwayo, kwaye udongwe luya kunciphisa i-plasticity yayo phantsi koxinzelelo oluthile.

Izicelo

1.Ipeyinti yeLatex

I-Hydroxyethyl cellulose yeyona nto isetyenziswa kakhulu kwi-latex coatings. Ukongeza kwi-latex coatings etyebileyo, ingakwazi nokuxubha, ukusasaza, ukuzinzisa nokugcina amanzi. Ibonakaliswa yimpembelelo ebalulekileyo yokuqina, uphuhliso oluhle lombala, iipropati zokwenza ifilimu kunye nozinzo lokugcina. I-Hydroxyethyl cellulose yi-non-ionic cellulose derivative kwaye ingasetyenziswa kuluhlu olubanzi lwe-pH. Ihambelana kakuhle nezinye izinto ezikwicandelo (ezifana nee-pigments, izongezo, izizalisi kunye neetyuwa). Ii-coatings ezityebileyo nge-hydroxyethyl cellulose zine-rheology elungileyo kunye ne-pseudoplasticity kumanqanaba ahlukeneyo okucheba. Iindlela zokwakha ezifana nokubrasha, i-roller coating kunye nokutshiza zingasetyenziswa. Ulwakhiwo lulungile, alulula ukuthontsiza, ukugoba kunye nokutshiza, kwaye i-leveling property nayo ilungile.

2.Ukwenziwa kwePolymerization

I-Hydroxyethyl cellulose inemisebenzi yokusasaza, ukuxuba, ukumisa kunye nokuzinzisa kwicandelo le-polymerization okanye i-copolymerization ye-resin yokwenziwa, kwaye ingasetyenziswa njenge-colloid ekhuselayo. Ibonakaliswa ngamandla okusasaza aqinileyo, imveliso ephumayo ine-"film" encinci ye-particle, ubungakanani be-particle encinci, i-particle efanayo, i-loose shape, i-fluidity elungileyo, i-preparency ephezulu yemveliso, kunye nokucutshungulwa okulula. Ekubeni i-hydroxyethyl cellulose inokunyibilika emanzini abandayo nasemanzini ashushu kwaye ayinayo i-gelation temperature point, ifanelekile ngakumbi kwiimpendulo ezahlukeneyo ze-polymerization.

Iimpawu ezibalulekileyo zomzimba ze-dispersant kukuxinana komphezulu (okanye phakathi kwe-interfacial), amandla phakathi kwe-interfacial kunye nobushushu be-gelation yesisombululo sayo samanzi. Ezi mpawu ze-hydroxyethyl cellulose zifanelekile kwi-polymerization okanye i-copolymerization yee-resin zokwenziwa.

I-Hydroxyethyl cellulose ihambelana kakuhle nezinye ii-ethers ze-cellulose ezinyibilikayo emanzini kunye ne-PVA. Inkqubo edibeneyo eyenziwe yile nto inokufumana isiphumo esipheleleyo sokuphelelisana kobuthathaka bomnye nomnye. Imveliso ye-resin eyenziwe emva kokuhlanganiswa ayinayo kuphela umgangatho olungileyo, kodwa ikwanciphisa ukulahleka kwezinto.

3.Ukubhola ioyile

Kwi-oyile yokugrumba nokuvelisa ioyile, i-hydroxyethyl cellulose ene-viscosity ephezulu isetyenziswa kakhulu njenge-viscosifier yokugcwalisa ulwelo kunye nokugqiba ulwelo. I-hydroxyethyl cellulose ene-viscosity ephantsi isetyenziswa njenge-arhente yokulahleka kolwelo. Phakathi kodaka olwahlukeneyo olufunekayo kwimisebenzi yokugrumba, ukugqiba, ukuqinisa kunye nokuqhekeka, i-hydroxyethyl cellulose isetyenziswa njengesithambisi ukuze kufunyanwe ukugeleza okuhle kunye nokuzinza kodaka. Ngexesha lokugrumba, umthamo wokuthwala udaka unokuphuculwa, kwaye ubomi benkonzo ye-drill bit bunokwandiswa. Kwi-finishing fluids ene-low solid kunye nolwelo lokuqinisa, ukusebenza okuhle kakhulu kokunciphisa ukulahleka kolwelo lwe-hydroxyethyl cellulose kunokuthintela amanzi amaninzi ukuba angangeni kwi-oyile kumaleko odaka kwaye kuphucule umthamo wemveliso womaleko weoyile.

4.Ishishini leekhemikhali lemihla ngemihla

I-Hydroxyethyl cellulose yi-film former esebenzayo, i-binder, i-thickener, i-stabilizer kunye ne-dispersant kwi-shampoos, i-hair sprays, i-neutralizers, i-hair conditioners kunye ne-cosmetics; kwi-detergent powders i-Medium yi-arhente yokubuyisela inkunkuma kwindawo yayo. I-Hydroxyethyl cellulose iyanyibilika ngokukhawuleza kumaqondo obushushu aphezulu, nto leyo enokukhawulezisa inkqubo yemveliso kwaye iphucule ukusebenza kakuhle kwemveliso. Uphawu olucacileyo lwe-detergents ezine-hydroxyethyl cellulose kukuba inokuphucula ukuguda kunye ne-mercerization yamalaphu.

5 Isakhiwo

I-Hydroxyethyl cellulose ingasetyenziswa kwiimveliso zokwakha ezifana nemixube yekhonkrithi, i-mortar exutyiweyo ngokutsha, i-gypsum plaster okanye ezinye ii-mortar, njl.njl., ukugcina amanzi ngexesha lenkqubo yokwakha ngaphambi kokuba ziqine kwaye ziqine. Ukongeza ekuphuculeni ukugcinwa kwamanzi kweemveliso zokwakha, i-hydroxyethyl cellulose inokwandisa ukulungiswa kunye nexesha lokuvula i-plaster okanye i-samente. Inokunciphisa ulusu, ukutyibilika kunye nokuwa. Oku kunokuphucula ukusebenza kokwakha, kwandise ukusebenza kakuhle, konge ixesha, kwaye kwangaxeshanye kwandise izinga lokwandisa umthamo we-mortar, ngaloo ndlela konga izinto eziluhlaza.

6 Ezolimo

I-Hydroxyethyl cellulose isetyenziswa kwi-emulsion yezibulala-zinambuzane kunye ne-suspension formulations, njengesithambisi se-emulsions yokutshiza okanye i-suspensions. Inganciphisa ukushukuma kwamayeza kwaye yenze ukuba inamathele ngokuqinileyo kumphezulu wegqabi lesityalo, ngaloo ndlela inyusa impembelelo yokusetyenziswa kwe-foliar spray. I-Hydroxyethyl cellulose ingasetyenziswa njenge-arhente yokwenza ifilimu kwiingubo zokugquma imbewu; njenge-binder kunye ne-arhente yokwenza ifilimu yokuphinda kusetyenziswe amagqabi ecuba.

7 Iphepha neyinki

I-Hydroxyethyl cellulose ingasetyenziswa njenge-arhente yokulinganisa ephepheni nakwikhadibhodi, kunye ne-arhente yokuqinisa nokuxhoma kwiinki ezisekelwe emanzini. Kwinkqubo yokwenza iphepha, iipropati eziphezulu ze-hydroxyethyl cellulose ziquka ukuhambelana neentsini ezininzi, ii-resins kunye neetyuwa ezingaphiliyo, i-foam ephantsi, ukusetyenziswa kweoksijini ephantsi kunye nokukwazi ukwenza ifilimu yomphezulu ogudileyo. Ifilimu inokungenela okuphantsi komphezulu kunye nokukhazimla okunamandla, kwaye inokunciphisa iindleko. Iphepha elincamathiselwe nge-hydroxyethyl cellulose lingasetyenziselwa ukuprinta imifanekiso esemgangathweni ophezulu. Ekwenzeni i-inki esekwe emanzini, i-inki esekwe emanzini eqiniswe nge-hydroxyethyl cellulose yoma ngokukhawuleza, inokwahluka kombala okuhle, kwaye ayibangeli ukunamathela.

Ilaphu le-8

Ingasetyenziswa njenge-binder kunye ne-agent yokulinganisa kwi-arhente yokushicilela kunye nokufaka idayi kwilaphu kunye ne-latex coating; i-arhente yokuqinisa izinto zokulinganisa ngasemva kwekhaphethi. Kwifayibha yeglasi, ingasetyenziswa njenge-arhente yokwenza kunye ne-adhesive; kwi-slurry yesikhumba, ingasetyenziswa njenge-modifier kunye ne-adhesive. Ibonelela ngoluhlu olubanzi lwe-viscosity kwezi coating okanye i-adhesives, yenza i-adhesive ifane ngakumbi kwaye inamathele ngokukhawuleza, kwaye inokuphucula ukucaca kokuprinta kunye nokufaka idayi.

Iiseramikhi ezi-9

Ingasetyenziselwa ukwenza izincamathelisi ezinamandla aphezulu kwiiseramikhi.

10.intlama yamazinyo

Ingasetyenziswa njengesithambisi ekwenzeni amazinyo.

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