I-MHEC esetshenziswa ekwakheni

1 isingeniso

I-Cellulose ether MHEC kweukwakhiwaImboni yempahla yokwakha inokusetshenziswa okubanzi okubanzi ngokwedlulele, inani elikhulu, ingasetshenziswa njenge-retarder, i-ejenti yokugcina amanzi, i-thickener kanye ne-adhesive.I-Cellulose ether MHEC idlala indima ebalulekile odakeni olujwayelekile olomile oluxubile, udaka lwangaphandle olufakwa odongeni, udaka oluzilinganisa, i-ceramic tile binder, i-putty yesakhiwo esebenza kahle kakhulu, i-anti-crack yangaphakathi nangaphandle yodonga, udaka oluxubene olungangeni manzi, ukhonkolo, i-caulking agent kanye ezinye izinto zokwakha.I-Cellulose ether MHEC kunomthelela obalulekile ekugcineni amanzi, isidingo samanzi, ukunamathela, ukuncipha kanye nokwakhiwa kwesistimu yodaka.

Kunezinhlobo eziningi ezahlukene kanye nokucaciswa kweI-Cellulose ether MHEC, I-cellulose etherevame ukusetshenziswa emkhakheni wezinto zokwakha kubandakanya i-HEC,I-MHEC, CMC, PAC,I-MHPC nokunye, ngokweqhaza lazo ezisetshenziswa ezinhlelweni ezahlukene zodaka.Abanye abantu baye bafunda ithonya izinhlobo ezahlukene kanye umthamo ezahlukeneI-Cellulose ether MHEC ohlelweni lodaka lukasimende.Kuleli phepha, indlela yokukhetha izinhlobo ezahlukene kanye nokucaciswa kweI-Cellulose ether MHEC emikhiqizweni eyahlukene yodaka kuxoxwa ngayo.

2 I-Cellulose ether MHEC kuzici zokusebenza kosimende

Njengengxube ebalulekile odakeni olomile,I-Cellulose ether MHEC inemisebenzi eminingi odakeni.I-Cellulose ether MHEC odakeni lukasimende kuyindima ebaluleke kakhulu yokugcina amanzi nokuqina, ngaphezu kwalokho, ngenxa yokuxhumana kwayo nohlelo lukasimende, izophinde idlale indima eyisizayo yokungeniswa komoya, ukubambezeleka, ukuthuthukisa amandla okubopha okuqinile.

Impahla ebaluleke kakhulu yeI-Cellulose ether MHEC odakeni kukhona ukugcinwa kwamanzi.I-Cellulose ether MHEC njengengxube ebalulekile cishe kuyo yonke imikhiqizo yodaka, ukusetshenziswa okuyinhloko kokugcinwa kwayo kwamanzi.Ngokuvamile, ukugcinwa kwamanziI-Cellulose ether MHEC ihlobene ne-viscosity yayo, umthamo kanye nosayizi wezinhlayiyana.

I-Cellulose ether MHEC njenge-thickener, umphumela wayo wokuqina uhlobene nezinga le-etherificationI-Cellulose ether MHEC, usayizi wezinhlayiyana, i-viscosity kanye nezinga lokuguqulwa.Ngokuvamile, izinga eliphezulu le-etherification kanye ne-viscosity yeI-Cellulose ether MHEC, izinhlayiya ezincane, umphumela wokujiya ubonakala nakakhulu.Ngokulungisa izici ezingenhla zeI-MHEC, udaka lungakwazi ukufeza ukusebenza kahle kokugeleza okuphambene nokuqondile kanye ne-viscosity engcono kakhulu.

In I-Cellulose ether MHEC, ukwethulwa kweqembu le-alkyl kunciphisa amandla angaphezulu esixazululo esinamanzi esiquketheI-Cellulose ether MHEC, ukuzeI-Cellulose ether MHEC inomphumela wokuhlanganisa udaka lukasimende.Ngenxa yomphumela webhola wamabhamuza, ukusebenza kokwakhiwa kodaka kuyathuthukiswa, futhi izinga lokukhipha udaka liyanda ngokungeniswa kwamabhamuza.Yiqiniso, ukungena komoya kudinga ukulawulwa.Ukungena komoya ngokweqile kuzoba nomthelela omubi emandleni odaka, ngoba amabhamuza ayingozi angethulwa.

2.1I-Cellulose ether MHEC izobambezela inqubo ye-hydration kasimende, ngaleyo ndlela ibambezele inqubo yokumisa nokuqina kukasimende, futhi ngokufanayo yandise isikhathi sokuvula sikasimende, kodwa lo mphumela awuhambisani nodaka ezindaweni ezibandayo.Ekukhethweni kweI-Cellulose ether MHEC, kufanele isekelwe esimweni esithile sokukhethwa kwemikhiqizo efanele.Umphumela wokuhlehlisa weI-Cellulose ether MHEC inwetshwa kakhulu ngokuthuthuka kweziqu zayo ze-etherification, idigri yokuguqulwa kanye ne-viscosity.

Ngaphezu kwalokho,I-Cellulose ether MHEC njenge-polymer chain chain substance, ngemva kokujoyina uhlelo lukasimende, ngaphansi kwesisekelo sokugcina umswakama we-slurry ngokugcwele, ingathuthukisa ukusebenza kwebhondi ne-substrate.

2.2 Izakhiwo zeI-Cellulose ether MHEC odakeni ikakhulukazi kuhlanganisa: ukugcinwa kwamanzi, ukujiya, ukwandisa isikhathi sokusetha, ukungena kwegesi kanye nokuthuthukisa amandla okubopha okuqinile, njll. Izakhiwo ezishiwo ngenhla zibonakala ezicini zeI-MHEC uqobo, okungukuthi, i-viscosity, ukuzinza, okuqukethwe kwengxenye esebenzayo (inani elengeziwe), i-etherification substitution degree kanye nokufana kwayo, idigri yokuguqulwa kanye nokuqukethwe kwento eyingozi, njll. Ngakho-ke, ekukhetheniI-MHEC, I-Cellulose ether MHEC enezici zayo siqu inganikeza ukusebenza okufanele kufanele kukhethwe ngokuya ngezidingo ezithile zemikhiqizo ethile yodaka ekusebenzeni okuthile.

3. Izici zeI-Cellulose ether MHEC

Ngokuvamile, imiyalelo yomkhiqizo enikezwa nguI-Cellulose ether MHEC abakhiqizi bazoqukatha izinkomba ezilandelayo: ukubukeka, i-viscosity, idigri yokushintshwa kweqembu, ubuhle, okuqukethwe okusebenzayo kwento (ukuhlanzeka), okuqukethwe komswakama, inkambu enconyiwe kanye nomthamo.Lezi zinkomba zokusebenza zingabonisa ingxenye yendima yeI-Cellulose ether MHEC, kodwa uma kuqhathaniswa nasekukhethweni kweI-Cellulose ether MHEC, kufanele futhi ihlole ukwakheka kwayo kwamakhemikhali, izinga lokuguqulwa, izinga le-etherification, okuqukethwe kwe-NaCl, inani le-DS nezinye izici.

ThathaKimacell I-MHECIdatha ye-MH60M ukucaciswa komkhiqizo ngokwesibonelo.Okokuqala, i-MH ibonisa ukuthi ukwakheka kuyi-methyl hydroxyethylI-Cellulose ether MHEC, i-viscosity (i-Hoppler method determination) yi-60000 Mpa.s, .Ngaphezu kwalokho, ngaphezu kwencazelo yokubukeka komkhiqizo, i-viscosity, usayizi wezinhlayiyana, kunezinkomba ezilandelayo: ukwakheka kwamakhemikhali kwe-methyl hydroxyethyl.I-Cellulose ether MHEC, ngemva kokuguqulwa kwezinga eliphansi;Izinga elilingene le-etherification;Umswakama ongu-6% noma ngaphansi;okuqukethwe kwe-NaCl okungu-1.5% noma ngaphansi;Okuqukethwe kwento esebenzayo>92.5%, ukuminyana okuxekethile 300 g/L nokunye.

3.1I-Cellulose ether MHEC i-viscosity

I-viscosity yeI-Cellulose ether MHEC kuthinta ukugcinwa kwawo kwamanzi, ukujiya, ukuhlehla nezinye izici, ngakho-ke, kuyinkomba ebalulekile yokuhlolwa nokukhethwa kwamanzi.I-Cellulose ether MHEC.

Ngaphambi kokuxoxa nge-viscosity yeI-Cellulose ether MHEC, kufanele kuqashelwe ukuthi kunezindlela ezine ezivame ukusetshenziswa zokuhlola i-viscosity yeI-Cellulose ether MHEC: Brookfield, Hakke, Hoppler kanye rotary viscometer indlela.Amathuluzi, ukuhlushwa kwesisombululo kanye nemvelo yokuhlola esetshenziswa izindlela ezine zihlukile, ngakho-ke imiphumela efanayoI-MHEC Isixazululo esihlolwe yizindlela ezine nazo zihlukahlukene.Ngisho nesixazululo esifanayo, usebenzisa indlela efanayo, ngaphansi kwezimo ezahlukene zemvelo, i-viscosity

Imiphumela nayo yahlukahluka.Ngakho-ke, lapho uchaza i-viscosity ye-aI-Cellulose ether MHEC, kuyadingeka ukukhombisa ukuthi yiluphi uhlobo lwendlela yokuhlola, ukugxila kwesisombululo, i-rotor, isivinini, ukuhlolwa kwezinga lokushisa nomswakama kanye nezinye izimo zemvelo ngesikhathi esifanayo, inani le-viscosity libalulekile.Vele uthi, “Yini i-viscosity yothileI-MHEC?”

Akuwenzi umqondo.

ThathaKimacell I-MHEC umkhiqizo MH100M njengesibonelo.Kuboniswe encwadini yomkhiqizo ukuthi "inani le-viscosity elinqunywe indlela ye-Hoppler yi-100000 Mpa.s".Njengokuhambisanayo, ukucaciswa kubuye kunikeze ukuthi "Brookfield RV, 20 RPM, 1.0 %,20℃,20°GH, inani elihloliwe le-viscosity lingu-4100~5500 Mpa.s”.

3.2 Ukuzinza komkhiqizo weI-Cellulose ether MHEC

I-Cellulose ether MHEC Kuyaziwa ukuthi isengozini yokuguguleka yi-cellulose mildew.Isikhunta ekugugulekeni kweI-Cellulose ether MHEC, ukuhlasela kokuqala akufakwe etherizedI-Cellulose ether MHEC Iyunithi ye-glucose, njengenhlanganisela yeketanga eliqondile, lapho iyunithi ye-glucose isichithiwe, lonke iketango lamangqamuzana linqanyuliwe, i-viscosity yomkhiqizo izokwehla kakhulu.Ngemuva kokuthi iyunithi ye-glucose i-etherified, isikhunta akulula ukucekela phansi iketango lamangqamuzana, ngakho-ke, ukuphakama kwe-etherification substitution degree (i-DS value)I-Cellulose ether MHEC, ukusimama kwayo kuyoba phezulu.

UkuthathaKimacell I-MHEC umkhiqizo MH100M njengesibonelo, ukucaciswa komkhiqizo kubonisa ngokusobala ukuthi inani le-DS lingu-1.70 (lokuncibilika emanziniI-MHEC, inani le-DS lingaphansi kuka-2), okubonisa ukuthi umkhiqizo unokusimama okuphezulu komkhiqizo.

3.3 Okuqukethwe kwengxenye esebenzayo yeI-Cellulose ether MHEC

Ukuphakama kokuqukethwe kwezingxenye ezisebenzayo kuI-Cellulose ether MHEC, ukusebenza kwezindleko zomkhiqizo kuphezulu, ukuze kuzuzwe imiphumela engcono ngaphansi komthamo ofanayo.Ingxenye esebenzayo yeI-Cellulose ether MHEC is I-Cellulose ether MHEC i-molecule, okuwuketshezi oluphilayo, ngakho-ke lapho uhlola okuqukethwe kwento esebenzayoI-Cellulose ether MHEC, ingaboniswa ngokungaqondile ngenani lomlotha ngemva kokubala.Ngokuvamile, inani lomlotha eliphakeme lihlotshaniswa nento ephansi esebenzayo.Encazelweni yomkhiqizo weKimacell I-MHEC, isithako esisebenzayo semikhiqizo evamile singaphezu kwama-92%.

3.4 okuqukethwe kwe-NaCl kuI-Cellulose ether MHEC

I-NaCl iwumkhiqizo ongenakugwenywa ekukhiqizeniI-Cellulose ether MHEC, ngokuvamile edinga ukususwa ngokugeza okuningi.Izikhathi eziningi zokuwasha, ziyancipha izinsalela ze-NaCl.I-NaCl yaziwa njengeyingozi ekugqwaleni kwezinsimbi zensimbi kanye ne-wire mesh, njll. Ngakho-ke, nakuba ukugeza okuphindaphindiwe kwe-NaCl kungase kwenyuse izindleko zokuhlanza indle,I-MHEC imikhiqizo enokuqukethwe kwe-NaCl ephansi kufanele ikhethwe ngokusemandleni akho.Okuqukethwe kwe-NaCl kweKimacell I-MHEC imikhiqizo ngokuvamile ilawulwa ngaphansi kuka-1.5%, okuwumkhiqizo onokuqukethwe okuphansi kwe-NaCl.

4. Isimiso sokukhethaI-Cellulose ether MHEC ngemikhiqizo ehlukene yodaka

Ngesikhathi sokusetshenziswa kwemikhiqizo yodakaI-Cellulose ether MHEC, okokuqala kufanele kusekelwe encazelweni yemanuwali yomkhiqizo, zikhethe izinkomba zazo zokusebenza, ezifana ne-viscosity, i-etherification substitution degree, okuqukethwe kwento esebenzayo, okuqukethwe kwe-NaCl njll) ukuze uqhathanise okulungileI-Cellulose ether MHEC ngokwemikhiqizo yodaka lukakhonkolo kanye nezidingo zokusebenza, ukusetshenziswa okudidiyelwe kokusebenza okukhethiwe kuhlangabezana nezidingo zekhwalithi ephezulu yezinhloboI-MHEC.

Ngokwezidingo ezihambisanayo zemikhiqizo ehlukene yodaka, okulandelayo kwethula izimiso ezihambisanayo zokukhetha ezifaneleI-MHEC.

4.1 Isistimu yokuplasta izacile

Thatha uhlelo oluncane lokuplasta lukadaka njengesibonelo, ngoba udaka olukhonkolo luthintana ngokuqondile nemvelo yangaphandle, ukulahlekelwa kwamanzi angaphezulu kuyashesha, ngakho kudinga izinga eliphezulu lokugcinwa kwamanzi.Ikakhulukazi ekwakhiweni kwehlobo, udaka luyadingeka ukuze ukwazi ukugcina umswakama ekushiseni okuphezulu.I-MHEC ngenani eliphezulu lokugcinwa kwamanzi liyadingeka ukuze kukhethwe, okungacatshangwa ngokuphelele kusuka ezicini ezintathu: i-viscosity, usayizi wezinhlayiyana kanye nenani lokwengeza.Sengisho nje,I-MHEC nge-viscosity ephezulu kufanele kukhethwe ngaphansi kwezimo ezifanayo, futhi i-viscosity akufanele ibe phezulu kakhulu ngokucabangela izidingo zokwakha.Ngakho-ke, i-I-MHEC kufanele kukhethwe ngezinga eliphezulu lokugcinwa kwamanzi kanye ne-viscosity ephansi.Kimacell I-MHEC imikhiqizo, MH60M kanti ezinye zinganconywa ezinhlelweni zokubopha ukhonkolo omncane.

4.2 Udaka lokuplasta olusekelwe kusimende

Udaka lokunamathisela ludinga ukufana okuhle kodaka, ukuplasta kulula ukunameka ngokulinganayo, futhi kudinga ukumelana nokugeleza okuhle okuma mpo, amandla okumpompa kanye noketshezi nokusebenza kuphezulu uma kuqhathaniswa.Ngakho-ke,I-MHEC nge-viscosity ephansi kanye nokuhlakazeka okusheshayo nokuthuthukiswa okungaguquguquki (izinhlayiya ezincane) odakeni lukasimende kukhethwa, njengeKimacellIdatha ye-MH60M kanye ne-MH100M kunconywa.

4.3 Ithayelaokunamathelayo

Ekwakhiweni kwe-ceramic tileokunamathelayo, ukuze kuqinisekiswe ukuphepha nokusebenza kahle, kudingekile ikakhulukazi ukuthi isikhathi sokuvula sodaka side, ukusebenza kwe-anti-slide kungcono, futhi kukhona isibopho esihle phakathi kwezinto eziyisisekelo kanye ne-tile ye-ceramic.Ngakho-ke, i-ceramic tile glue iphakeme kakhuluI-MHEC imfuneko.FuthiI-MHEC ku-ceramic tile glue ngokuvamile inomthamo ophezulu uma kuqhathaniswa.Ekukhethweni kweI-MHEC, ukuhlangabezana nezidingo zesikhathi eside sokuvula,I-MHEC ngokwayo kufanele ibe nenani eliphezulu lokugcinwa kwamanzi, okudinga i-viscosity efanele, inani elingeziwe kanye nosayizi wezinhlayiyana.Ukuze uhlangabezane nokusebenza okuhle kwe-anti-sliding,I-MHECumphumela omuhle wokujiya uyadingeka ukwenza ukumelana nokugeleza okuqondile kwe-mortar kuqine.Ukuqina kunezidingo ezithile ku-viscosity, i-etherification degree kanye nosayizi wezinhlayiyana.Ngakho-ke,I-MHEC okudingeka kucatshangelwe kufanele kuhlangabezane nezidingo ze-viscosity, i-etherification degree kanye nosayizi wezinhlayiyana ngesikhathi esifanayo.Kunconywa ukusebenzisaKimacell I-MHECIntengo ye-MH100M, MH60M kanye ne-MHI-100MS, njll. (Izinga lokugcinwa kwamanzi lokukhipha i-vacuum kanye nendlela yokuhlunga likalwe laba ngaphezu kwama-95%).

Ukumelana neglue ye-tile eshelelayo, idingaI-MHEC ngokusebenza okuhle kakhulu okuphambene nokuma kokugeleza okufanele kuqiniswe, ukuze kulungiswe kakhuluI-MHEC ingakhethwa.Ngokwesibonelo,I-MHECI-MH100M of Kimacell inganconywa (lo mkhiqizo ulungiswe kakhulu).

4.4 Udaka lwaphansi oluzilinganisa ngokwalo

Udaka oluzilinganisa lunezidingo eziphakeme ekusebenzeni kokulinganisa, ngakho-ke kufanelekile ukukhethaI-Cellulose ether MHEC imikhiqizo ene-viscosity ephansi.Ngenxa yokuthi ukuzilinganisa kudinga udaka oluxubene ngokulinganayo ukuze ukwazi ukuzilinganisa ngokuzenzakalelayo phansi, kudinga uketshezi nokupompa, ngakho isilinganiso samanzi sikhulu.Ukuze uvimbele ukopha,I-MHEC kuyadingeka ukulawula ukugcinwa kwamanzi endaweni futhi unikeze i-viscosity ukuvimbela imvula.I-H300P2 ne-H20P2 yeKimacell kunconywa.

4.5 Ukubeka udaka

Ngenxa yokuxhumana okuqondile nendawo ye-masonry, udaka lwe-masonry ngokuvamile luwukwakhiwa kongqimba obukhulu, oludinga udaka ukuze lube nokusebenza okuphezulu nokugcinwa kwamanzi, kodwa futhi nokuqinisekisa amandla okubopha ngamatshe, ukuthuthukisa ukwakhiwa, ukuthuthukisa ukusebenza kahle.Ngakho-ke, ukukhethwa kweI-MHEC kufanele ikwazi ukusiza udaka ukwenza ngcono ukusebenza kwalokhu okungenhla,I-Cellulose ether MHEC i-viscosity ayiphezulu kakhulu, kukhona inani elithile lokugcinwa kwamanzi, okunconywa ukuthi kusetshenzisweI-MHECI-MH100M, MH60M, mh6M, njll.

4.6 I-thermal insulation slurry

I-thermal insulation slurry isetshenziswa kakhulu ngesandla.Ngakho-ke, i-I-MHEC okukhethiwe kuyadingeka ukunikeza udaka ukwakhiwa okuhle, ukusebenza kahle nokugcinwa kwamanzi okuhle kakhulu, kanyeI-MHEC kufanele ibe nezici ze-viscosity ephezulu kanye ne-high air entraining.Ngokubuka izici ezingenhla, kunconywa ukusebenzisaKimacellIntengo ye-MH100M, MH60M neminye imikhiqizo enezinga eliphezulu lokugcinwa kwamanzi, i-viscosity ephezulu kanye nokusebenza okuhle kokungenisa umoya.

5 isiphetho

I-Cellulose ether MHEC odakeni lukasimende indima yokugcina amanzi, ukuqina, ukungeniswa komoya, ukubambezeleka kanye nokwenza ngcono amandla ebhondi eqinile.