I-Cellulose ether iwuhlobo lwe-polymer engeyona i-ionic semi-synthetic, enokuncibilika kwamanzi kanye nokuxazululeka kwezinhlobo ezimbili, ezimbonini ezihlukene ezibangelwa indima yehlukile, njengasezintweni zokwakha zamakhemikhali, inomphumela olandelayo oyinhlanganisela: ① ukugcinwa kwamanzi i-ejenti ② i-ejenti yokuqina ③ yokulinganisa ④ ukwakheka kwefilimu ⑤ isibopho; Embonini ye-polyvinyl chloride, iyi-emulsifier, i-dispersant; Embonini yezemithi, iwuhlobo lwe-binder futhi oluhamba kancane futhi olulawulwayo lwe-skeleton material, ngoba i-cellulose inemiphumela ehlukahlukene ehlanganisiwe, ngakho-ke insimu esetshenziswa kakhulu. Lapha ngigxila ekusetshenzisweni kwe-cellulose ether ezintweni zokwakha zokuvikela imvelo kanye nendima.
1, upende we-latex
Emgqeni wepende we-LATEX, ufuna UKUKHETHA i-hydroxyethyl cellulose, ukucaciswa okujwayelekile kwe-viscosity yi-RT30000- 50000CPS, inani lereferensi ngokuvamile liyi-1.5 ‰-2‰ izinhlangothi kwesokunxele nakwesokudla. Indima eyinhloko ye-hydroxyethyl kupende we-latex ukujiya, ukuvimbela i-pigment gelation, ukufaka isandla ekuhlakazweni kwe-pigment, i-latex, ukuzinza, futhi ingathuthukisa i-viscosity yezingxenye, ifake isandla ekusebenzeni kokulinganisa kokwakhiwa: I-Hydroxyethyl cellulose isebenziseka kalula, ebandayo. futhi amanzi ashisayo angancibilika, futhi awathintwa inani le-PH, phakathi kuka-PH 2 no-12 angasetshenziswa, ukusetshenziswa kwezindlela ezintathu ezilandelayo:
I. Ngeza ngokuqondile:
Le ndlela kufanele ikhethe uhlobo olubambezelekile lwe-hydroxyethyl cellulose - isikhathi esincibilikisiwe esingaphezu kwemizuzu engama-30 ye-hydroxyethyl cellulose, izinyathelo zokusetshenziswa kwayo zimi kanje: (1) ukuba nomthamo omkhulu kufanele usike isitsha se-blender kanye namanzi ahlanzekile amaningi (2) abantu baqala ukwehla ukunyakazisa ngokuqhubekayo. , ngesikhathi esifanayo kancane wengeza i-hydroxyethyl ngokulinganayo kwikhambi le-(3) qhubeka ushukumisa kuze kube yilapho zonke izinto ezimanzi ze-granular (4) zihlanganisa ezinye izithasiselo nezithako ze-alkaline (5) zinyakaze kuze kuqedwe ngokuphelele yonke i-hydroxyethyl, engeza ezinye izingxenye zefomula. , ukugaya kumkhiqizo ophelile.
ⅱ, ifakwe ugologo ongumama olindile:
Le ndlela ingakhetha uhlobo olusheshayo, futhi inesikhunta - umphumela wobufakazi be-cellulose. Le ndlela inenzuzo yokuguquguquka okukhulu, ingangezwa ngokuqondile kupende we-latex, indlela yokulungiselela iyafana nezinyathelo ①- ④.
ⅲ. Khonza ngephalishi:
Ngenxa yokuthi izincibilikisi zemvelo azithandeki (azinakuncibilika) ku-hydroxyethyl, zingasetshenziswa ukwenza iphalishi. I-ORGANIC SOLVENT EVAMISE KAKHULU UKHWENI OLUPHILA KU-LATEX PAINT FORMULA, YIBA NJENGE-GLYCOL, PROPYLENE GLYCOL KANYE NE-EJENTE EYENZIWA IFILIM (NJENGE-DIETHYLENE glycol butyl acetic acid GREASE), I-CELLULOSE YE-HYDROXAFERRI YAKWENZI, I-DIETHYLENE glycol butyl acetic acid ININGI USAQHUBEKA NOKUBHUKUZA UKUZE USHICEKE NGOKUPHELELE KUZE KUBE YIZE.
2, ukukhuhla i-putty yodonga
Njengamanje, uhlobo lwe-putty lokuvikela imvelo, olukwazi ukumelana namanzi futhi olumelana nokukhuhla emadolobheni amaningi, lunakwe abantu ngokuyisisekelo. Eminyakeni embalwa edlule, ngenxa yokuthi i-putty eyenziwe ngeglue yokwakha ikhipha igesi ye-formaldehyde ukulimaza impilo yabantu, ingcina yesakhiwo yenziwe nge-polyvinyl alcohol kanye ne-formaldehyde yokusabela kwe-acetal. Ngakho-ke, le nto iqedwa kancane kancane ngabantu, futhi ukushintshwa kwalolu lwazi kuyimikhiqizo yochungechunge lwe-cellulose ether, okungukuthi, ukuthuthukiswa kwezinto zokwakha ukuvikelwa kwemvelo, i-cellulose iwukuphela kohlobo olulodwa lwezinto ezibonakalayo.
Ku-putty ukumelana namanzi kuhlukaniswe izinhlobo ezimbili ze-putty eyomile ne-putty paste, lezi zinhlobo ezimbili ze-putty ngokuvamile zifuna ukukhetha i-modified methyl cellulose ne-hydroxypropyl methyl izinhlobo ezimbili, ukucaciswa kwe-viscosity ngokuvamile kuphakathi kuka-3000-60000CPS okufanele kakhulu, okuyinhloko. indima ye-cellulose ku-putty ukugcinwa kwamanzi, ukubopha, ukugcoba, njll.
Ngenxa yokuthi ifomula ye-putty yomkhiqizi ngamunye ayifani, ezinye ziyi-calcium empunga, i-calcium ekhanyayo, usimende omhlophe, ezinye ziyi-gypsum powder, i-calcium empunga, i-calcium ekhanyayo, ngakho-ke ukucaciswa kwe-viscosity kanye nokungena kwe-cellulose yamafomula amabili akufani. , inani elijwayelekile lokwengeza lingaba ngu-2 ‰-3 ‰.
Odongeni lokushaya lunesithukuthezi ngokwakhiwa kwengane, isisekelo sodonga sinokumunca okuthile (udonga lwezitini lwezinga le-bibulous lwalungu-13%, ukhonkolo luyi-3-5%), oluhambisana nokuhwamuka komhlaba wangaphandle, ngakho-ke uma unesithukuthezi ngengane. ukulahlekelwa kwamanzi ngokushesha okukhulu, kungaholela ekuqhekekeni noma into efana nempova, ukuze amandla e-putty abe buthaka, ngakho-ke, ngemva kokujoyina i-cellulose ether izoxazulula le nkinga. Kodwa ikhwalithi yokugcwalisa, ikakhulukazi umlotha we-calcium, nayo ibaluleke kakhulu. Ngenxa ye-viscosity ephezulu ye-cellulose, iphinde ithuthukise amandla antantayo e-putty, futhi igweme ukwenzeka kokugeleza okulenga ekwakhiweni, futhi ikhululekile futhi isindisa umsebenzi ngemva kokukhuhla.
3, udaka lukakhonkolo
Ngodaka lukakhonkolo, ukufeza amandla okugcina ngempela, kufanele wenze ukusabela kwe-cement hydration ngokuphelele, ikakhulukazi ehlobo, ekwakhiweni kokulahlekelwa kwamanzi odaka lukakhonkolo ngokushesha okukhulu, izinyathelo ezinama-hydrated ngokuphelele ekuphulukiseni amanzi, le ndlela iwukuchithwa kwemithombo yamanzi futhi ukusebenza okungalungile, ukhiye ungaphezulu nje, amanzi kanye ne-hydration namanje akukafiki ngokuphelele, ngakho-ke izindlela zokuxazulula le nkinga, Kukhonkolo wodaka ngokuvamile ukhetha ukwengeza i-hydroxypropyl methyl cellulose noma i-methyl cellulose, ukucaciswa kwe-viscosity phakathi kuka-20000- 60000CPS, engeza. mayelana 2‰–3 ‰, izinga lokugcinwa kwamanzi lingakhuphuka libe ngaphezu kwama-85%, ukusetshenziswa kokhonkolo wodaka lwempushana eyomile ngokulinganayo kuxutshwe ngemva kokungeza amanzi.
4, i-gypsum yopende, i-gypsum enamathelayo, i-caulking gypsum
Ngokuthuthuka okusheshayo kwemboni yezokwakha, isidingo sabantu sezinto zokwakha ezintsha sikhula usuku nosuku, ngenxa yokwanda kokuqwashisa kwabantu ngokuvikelwa kwemvelo kanye nokuthuthukiswa okuqhubekayo kokusebenza kahle kokwakhiwa, izinto zikasimende imikhiqizo ye-gypsum iye yathuthukiswa ngokushesha. Njengamanje imikhiqizo ye-gypsum evame kakhulu ine-stucco gypsum, i-gypsum eboshiwe, i-gypsum egxilile, i-tile binder.
I-Stucco plaster iwuhlobo lwekhwalithi enhle yangaphakathi yodonga kanye nempahla yokupulasitela ophahleni, ngalo ukusula udonga luthambile futhi lubushelelezi, hhayi impushana, isibopho esiqinile nesisekelo, akukho mkhuba wokuqhekeka, futhi kunomsebenzi wokuvikela umlilo; I-Gypsum enamathelayo iwuhlobo olusha lwe-binder yokukhanya kwepuleti lokwakha, i-gypsum njengento eyisisekelo, enezela izithasiselo ezihlukahlukene futhi eyenziwe ngezinto ezinamathelayo, ilungele zonke izinhlobo zezinto zokwakha ezingaphili phakathi kwesibopho, ezingenabuthi, okunganambitheki, ukusetha okusheshayo kwamandla okuqala, ukubopha nezinye izici, ibhodi lokwakha, izinto ezisekela ukwakhiwa kwebhlokhi; I-Gypsum sealant iyisigcwalisi segebe phakathi kwamapuleti e-gypsum nokulungiswa kodonga nokuqhekeka.
Le mikhiqizo ye-gypsum inohlu lwemisebenzi ehlukene, ngaphezu kwe-gypsum kanye nama-filler ahlobene adlala indima, inkinga eyinhloko ukuthi izithasiselo ze-cellulose ether ezengeziwe zidlala indima ehamba phambili. Ngenxa yokuthi i-GESSO IHLUKANISWA NGECENTI LE-ANHYDROUS GESSO KANYE NE-HEMIHYDRATE GESSO, UMPHUMELA WE-GESSO UHLUKE NOKWENZIWA KOMKHIQIZO, UKUQINA KAHLE, UKUGCINWA KWAMANZI, UKUSETHA KANCANE KUNQUMO NGEKHWALITHI LE-MATERIA BUILDING. Inkinga evamile yalezi zinto ezisetshenziswayo ukuqhekeka kwesigubhu esingenalutho, amandla okuqala awekho kule nkinga, ukuxazulula le nkinga, ukukhetha uhlobo lwe-cellulose kanye nenkinga yokusebenzisa inhlanganisela ye-retarder, kulokhu, ukukhetha okujwayelekile kwe-methyl noma i-hydroxypropyl methyl cellulose HPMC 30000– 60000CPS, engeza phakathi kuka-1.5 ‰–2‰, i-cellulose kusukela ekugxilweni kwayo iwukubambisa ukugcinwa kwamanzi ukuthambisa.
Kodwa-ke, kule nqubo, akunakwenzeka ukuthembela ku-cellulose ether njenge-retarder, futhi i-citric acid retarder kufanele yengezwe kumxube ukuze amandla okuqala angathinteki.
Izinga lokugcina amanzi ngokuvamile libhekisela enanini lokulahlekelwa kwamanzi emvelo ngaphandle kokumuncwa kwamanzi ngaphandle. Uma udonga lomile, ukumuncwa kwamanzi okuyisisekelo kanye nokuhwamuka kwemvelo kwenza okokusebenza kulahlekelwe amanzi ngokushesha kakhulu, futhi kuzoba nesigubhu esingenalutho kanye nokwenzeka kokuqhekeka.
Le ndlela yokusebenzisa i-powder eyomile exubile, uma isixazululo singabhekisela endleleni yokulungiselela isisombululo.
5. I-thermal insulation mortar
I-thermal insulation mortar iyinto entsha yokufaka udonga enyakatho yeChina. Kuyimpahla yodonga ehlanganiswe yi-thermal insulation material, udaka kanye ne-binder. Kule nto, i-cellulose idlala indima ebalulekile ekuhlanganiseni nasekukhuliseni amandla. Ngokuvamile, i-methyl cellulose ene-viscosity ephezulu (cishe i-10000cps) ikhethiwe, futhi umthamo ngokuvamile uphakathi kuka-2 ‰ kanye no-3 ‰. Indlela yokuhlanganisa impushana eyomile.
6, i-ejenti yokuxhumana
Ukukhetha i-ejenti yesixhumi esibonakalayo HPMC20000cps, ukukhethwa kwe-tile yokuhlanganisa okungaphezu kuka-60000CPS, ku-ejenti yesixhumi esibonakalayo kugxile kumenzeli ojiyayo, kungathuthukisa amandla aqinile namandla omcibisholo neminye imiphumela.
Isikhathi sokuthumela: Aug-30-2022