I-Cellulose Ether iyi-polymer yokwenziwa engeyona eye-ionic, okuyi-soluble yamanzi futhi i-solvent-soluble. Inemiphumela ehlukile emikhakheni ehlukene. Isibonelo, ezintweni zokwakha amakhemikhali, inemiphumela elandelayo eyinhlanganisela:
I-Agent egcina i-ejenti ②Thickwener ③Leveling Property ④FILMM yakha impahla ⑤Binder
Embonini ye-polyvinyl chloride, kuyinto emulsifier futhi ihlakazekile; Embonini yezemithi, kuyisigaxa kanye nohlaka lokukhishwa kancane futhi olulawulwa ukukhishwa, njll. Ngoba i-cellulose inemiphumela ehlukahlukene yenhlanganisela, uhlelo lokusebenza lwayo insimu ibuye ibe ngcono kakhulu. Okulandelayo kugxile ekusetshenzisweni nasekusebenzeni kwe-cellulose ether ezintweni ezahlukahlukene zokwakha.
(1) ku-latex Paint:
I.Add ngqo ekukhiqizeni: Le ndlela kufanele ikhethe uhlobo lwe-hydroxyethyl cellulose olubambezelekile, kanye ne-hydroxyethyl cellulose enesikhathi sokuchithwa kwemizuzu engaphezu kwama-30, izinyathelo zayo zokusebenzisa zimi ngokulandelayo:
① Faka inani elithile lamanzi amsulwa esitsheni esifakwe i-high-shear mixer
②Start ukuvusa ngokuqhubekayo ngejubane eliphansi, futhi ngasikhathi sinye engeza kancane i-hydroxyethyl kusosixazululo ngokulinganayo
Xwakamisela ukuthi uhlanganise wonke ama-granule afakwe emanzini
④Edd ezinye izengezo nezithasiselo eziyisisekelo, njll.
⑤Stir kuze kube yilapho wonke amaqembu e-hydroxyethyls ancibilika ngokuphelele, bese engeza ezinye izinto kwifomula, bese ugaya kuze kube ngumkhiqizo ophelile.
Ⅱ. Ifakwe ngotshwala bomama ukuze basebenzise kamuva: Le ndlela ingakhetha i-cellulose esheshayo, enomphumela we-anti-mbutha. Inzuzo yale ndlela ukuthi inokuguquguquka okuthe xaxa futhi kungangezwa ngqo ku-Latex Paint. Indlela yokulungiselela iyafana nezinyathelo ①-④.
Ⅲ. Lungiselela i-porridge ngokusetshenziswa kwakamuva: Kusukela ama-organic solvents angama-solvents ampofu (insoluble) ye-hydroxyethyl, lezi zinhlaka zingasetshenziswa ukulungiselela iphalishi. I-solvents esetshenziswa kakhulu ye-organic uketshezi olwenziwayo ekwakhekeni kwepende ye-latex, njenge-ethylene glycol, i-plylene glycol, kanye nama-ejenti akha amafilimu (njenge-diethylene glycol butyl acetate). I-porridge hydroxyyethyl celtulese ingangezwa ngqo kupende. Qhubeka nokuvusa kuze kuchithwe ngokuphelele.
(2) odongeni ukuskena uPutty:
Njengamanje, emadolobheni amaningi ezweni lakithi, indawo yokulwa namanzi nokungamelana nokungamelana nokungamelana nobuntu kubhekwe ngokuyisisekelo ngabantu. Kukhiqizwa ukusabela kwe-acetal kweVinyl Alcohol kanye ne-formaldehyde. Ngakho-ke, lokhu okuqukethwe kuqedwa kancane kancane ngabantu, futhi imikhiqizo yeCellulose ether ether isetshenziselwa ukufaka le nto. Lokho kusho ukuthi, ukuthuthukiswa kwezinto zokwakha ezemvelo zokwakha, amaselula okwamanje okuwukuphela kwento.
Ngenxa yokuvunywa okuphezulu kwe-cellulose, i-buoyancy of the putty nayo iyathuthukiswa, futhi into ebabayo ngesikhathi sokwakha nayo iyagwenywa, futhi inethezekile futhi ikhululekile futhi ilondolozwa ngemuva kokuskena. Kuyinto elula ukwengeza i-cellulose ether ku-powder uPutty. Ukukhiqizwa kwayo nokusetshenziswa kwayo kulula kakhulu. I-filler nezengezo kungaxutshwa ngokulinganayo empuphu owomile.
(3) Udaka lukakhonkolo:
Udaka lukakhonkolo, ukufeza amandla okugcina, usimende kufanele afakwe ngama-hydrate ngokuphelele. Ikakhulu ekwakhiweni kwehlobo, udaka lukakhonkolo lulahlekelwa amanzi ngokushesha okukhulu, futhi izinyathelo zokugcwala ngokuphelele zisetshenziselwa ukugcina futhi zifafaze amanzi. Ukuchitha izinsiza nokusebenza okuphazamisayo. Isihluthulelo ukuthi amanzi asebusweni kuphela, futhi i-hydration yangaphakathi isaphelele. Ngakho-ke, ikhambi lale nkinga ukwengeza ama-ejenti ayisishiyagalombili okugcina amanzi kukhonkolo kasimende. Ngokuvamile, i-hydroxypropyl methyl noma i-methyl cellulose, ukucaciswa kwe-viscosity kuphakathi kuka-20000-60000CPS, futhi inani lokungezwa lingu-2% -3%. Izinga lokugcina amanzi lingandiswa libe ngaphezu kwama-85%. Indlela yokusebenzisa ukhonkolo ngodaka ukuxuba i-powder eyomile ngokulinganayo bese uyithululela emanzini.
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Ngokuthuthuka okusheshayo kwemboni yezokwakha, isidingo sabantu sezinto ezintsha zokwakha siyanda usuku nosuku. Ngenxa yokwanda kokuqwashisa kwabantu ngokuvikelwa kwemvelo kanye nokwenza ngcono okuqhubekayo kokusebenza kwezokwakha, imikhiqizo ye-gypsum eyenziwe ngamaveni yathuthuka ngokushesha. Njengamanje, imikhiqizo evame kakhulu i-gypsum isebenzisa i-gypsum ebonakalayo, i-bonded gypsum, i-gypsum enama-gypsum, nethambisi. I-Plastering Gypsum iyisiko lokufaka esezingeni eliphakeme lokudonswa kwezindonga ezingaphakathi nophahla. Ingaphezulu elidonswayo lilotshwe nalo lilungile futhi libushelelezi. I-New Building Light Board Adhesive izinto ezinamathelayo ezenziwe nge-gypsum njengezinto eziyisisekelo kanye nezithasiselo ezahlukahlukene. Ilungele ukubopha izibopho phakathi kwezinto ezahlukahlukene zokwakha udonga. Kungamandla angewona anobuthi, anobuthi, abuthakathaka kanye nokuhlelwa okusheshayo, ukubopha okuqinile nezinye izici, kuyinto esekelayo yamabhodi okwakha kanye nokwakhiwa okuvinjelwe; I-Gypsum caulking agent ingumsizi wegebe phakathi kwamabhodi we-gypsum kanye ne-filler yokulungisa izindonga nemifantu.
Le mikhiqizo ye-gypsum inochungechunge lwemisebenzi ehlukene. Ngaphezu kwendima ye-gypsum kanye nabasizi abahlobene, inkinga ebalulekile ukuthi izengezo ezingeziwe ze-cellulose ether zidlala indima eholayo. Njengoba i-gypsum ihlukaniswe nge-gypsum ye-anhydrous ne-hemihydrate gypsum, i-gypsum ehlukile inemiphumela ehlukene ekusebenzeni komkhiqizo, ngakho-ke ukuqina, ukugcinwa kwamanzi kanye nokubuyiselwa kwemali kuthola ikhwalithi yezinto zokwakha ze-gypsum. Inkinga evamile yalezi zinto ezibonakalayo inamafutha futhi iqhekeka, futhi amandla okuqala awatholakali. Ukuxazulula le nkinga, ukukhetha uhlobo lwe-cellulose kanye nendlela yokusetshenziswa kwe-retard. Kulokhu, i-methyl noma i-hydroxypropylylyl methyl 30000 ngokuvamile kukhethwe. -60000CPS, inani elingeziwe liphakathi kuka-1.5% no-2%, futhi ukugxila ku-cellulose ukugcinwa kwamanzi kanye nokubuyisa ukuthambisa ukuthambisa. Kodwa-ke, akunakwenzeka ukuncika ku-cellulose ether njenge-retarder, futhi kuyadingeka ukwengeza i-retarder ye-citric acid ukuxuba nokusebenzisa ngaphandle kokuthinta amandla okuqala.
Ukugcinwa kwamanzi ngokuvamile kubhekisele emanzi angakanani azolahleka ngokwemvelo ngaphandle kokumuncwa kwamanzi kwangaphandle. Uma udonga lomile kakhulu, ukumuncwa kwamanzi kanye nokuhwamuka kwemvelo endaweni eyisisekelo kuzokwenza lokho kunciphise amanzi ngokushesha, futhi okunamafutha nokuqhekeka kuzokwenzeka. Le ndlela yokusebenzisa ixubene ne-powder eyomile. Uma ulungiselela ikhambi, sicela ubheke indlela yokulungiselela ikhambi.
(5) Isidumbu sokufakwa kwe-thermal
I-Insulation Metar uhlelo olusha lwento engaphakathi yodonga lokufakwa odongeni esifundeni esisenyakatho. Kuyinto yodonga lodonga oluhlanganiswe ngokwezinto zokufaka, udaka kanye ne-binder. Kulokhu okubonakalayo, i-cellulose idlala indima ebalulekile eBonding namandla andayo. Ngokuvamile khetha i-methyl cellulose enokubonakala okuphezulu (cishe nge-10000EPS), umthamo ngokuvamile uphakathi kuka-2% -3%, futhi indlela yokusebenzisa i-powder yokuxuba.
(6) Umenzeli Ojenti
Khetha i-HPMC 20000CS ye-ejenti ebonakalayo, khetha ama-60000cps noma ngaphezulu nge-tile adhesive, futhi ugxile ku-ejenti yokuqina e-ejenti ebonakalayo, ongathuthukisa amandla ashukumisayo namandla alwa nemicibisholo. Isetshenziswa njenge-ejenti yokugcina amanzi esondweni le-tile ukuvikela amathayili ekuziphatheni ngokweqile ngokushesha futhi ukuwa.
Isikhathi sePosi: FEB-02-2023