Isingeniso seHydroxypropyl Methyl Cellulose
IHydroxypropyl methylcellulose, eyaziwa nangokuthi i-hypromellose kanye ne-HPMC cellulose hydroxypropyl methyl ether, yenziwe nge-cotton cellulose ecwenge kakhulu njengempahla eluhlaza, efakwa etherified ngokukhethekile ngaphansi kwezimo ze-alkali.I-HPMC iyimpushana emhlophe, ayinambitheki, ayinaphunga, ayinabuthi, ayishintshile ngokuphelele emzimbeni womuntu futhi ikhishwa emzimbeni.Umkhiqizo uyancibilika emanzini, kodwa awuncibiliki emanzini ashisayo.Isixazululo esinamanzi siyinto engenambala ebonakalayo ebonakalayo.I-HPMC inokuqina okuhle kakhulu, i-emulsifying, ukwakheka kwefilimu, ukuhlakazeka, i-colloid evikelayo, ukugcinwa komswakama, ukunamathela, ukumelana ne-asidi ne-alkali, ukumelana ne-enzyme nezinye izakhiwo, futhi isetshenziswa kabanzi ekwakhiweni, okokuhlanganisa, imithi, ukudla, izindwangu, amasimu kawoyela, izimonyo, ama-agent okugeza, izitsha zobumba, iziyinki kanye nezinqubo ze-polymerization zamakhemikhali.
1. I-calcium ephansi ye-calcium empunga kanye nesilinganiso esingalungile se-CaO ne-Ca(OH)2 ku-calcium empunga kuzodala ukulahleka kwempuphu.Uma kunokuthile okuphathelene ne-HPMC, khona-ke uma ukugcinwa kwamanzi kwe-HPMC kumpofu, kuzophinde kubangele ukulahlekelwa kwempuphu.Ingabe ukulahlekelwa kwe-powder kwe-putty powder kuhlobene ne-hydroxypropyl methylcellulose?Ukulahlekelwa kwe-powder kwe-putty powder kuhlobene kakhulu nekhwalithi ye-ash calcium, futhi akuhlangene kangako ne-HPMC.
2. Umsebenzi obaluleke kakhulu we-hydroxypropyl methylcellulose ukugcinwa kwamanzi, okulandelwa ukujiya.Ku-putty powder, inqobo nje uma ukugcinwa kwamanzi kuhle futhi i-viscosity iphansi (70,000-80,000), kungenzeka futhi.Yiqiniso, ukuphakama kwe-viscosity, kungcono ukugcinwa kwamanzi okuhlobene.Lapho i-viscosity idlula i-100,000, i-viscosity izothinta ukugcinwa kwamanzi.Akusenani.
Iyini i-viscosity ye-hydroxypropyl methylcellulose (HPMC)?
I-putty powder ivamise ukuba ngu-100,000 yuan, futhi izidingo zodaka ziphezulu, futhi i-150,000 yuan iyadingeka ukuze isetshenziswe kalula.
3. Yiziphi izinto zokusetshenziswa eziyinhloko ze-hydroxypropyl methylcellulose?Izinto zokusetshenziswa eziyinhloko ze-hydroxypropyl methylcellulose (HPMC): ukotini ocolisisiwe, i-methyl chloride, i-propylene oxide, nezinye izinto zokusetshenziswa, i-caustic soda, i-asidi, i-Toluene, isopropanol, njll.
4. Yisiphi isizathu sephunga le-hydroxypropyl methylcellulose?I-hydroxypropyl methylcellulose ekhiqizwa indlela ye-solvent isebenzisa i-toluene ne-isopropanol njengezincibilikisi.Uma ukuwasha kungalungile kakhulu, kuzoba nephunga elisele .
5. I-Hydroxypropyl methylcellulose: Enokuqukethwe okuphezulu kwe-hydroxypropyl ngokuvamile ingcono ekugcinweni kwamanzi.Le ene-viscosity ephezulu inokugcinwa kwamanzi okungcono, uma kuqhathaniswa (hhayi ngokuphelele), futhi leyo ene-viscosity ephezulu isetshenziswa kangcono odakeni lukasimende.Yiziphi izinkomba zobuchwepheshe eziyinhloko?Okuqukethwe kwe-Hydroxypropyl kanye ne-viscosity, abasebenzisi abaningi bakhathazekile ngalezi zinkomba ezimbili.
Ingabe ukwenzeka kwe-efflorescence odakeni kuhlobene ne-hydroxypropyl methylcellulose?
Esikhathini esithile esidlule, ikhasimende lathi umkhiqizo une-efflorescence, futhi lalifutha.I-Shotcrete: Umsebenzi oyinhloko ukumboza ingemuva, i-roughen, nokwandisa ukunamathela phakathi kodonga nezinto ezingaphezulu.Sebenzisa okuncane kakhulu, vele ufafaze ungqimba oluncane odongeni.Nasi isithombe sesenzo se-efflorescence engisithumele ikhasimende: Isithombe Indlela engisabela ngayo kuqala ukuthi akuyona neze imbangela ye-hydroxypropyl methylcellulose, ngoba i-hydroxypropyl methylcellulose ayihambisani nanoma yini ekuqhumeni kwesibhamu.Futhi isenzakalo se-efflorescence siwukuthi: ukhonkolo ojwayelekile uyi-silicate, lapho uhlangana nomoya noma umswakama odongeni, i-ion silicate ithola ukusabela kwe-hydrolysis, futhi i-hydroxide ekhiqiziwe ihlangana nama-ion ensimbi ukwenza i-hydroxide ene-solubility ephansi (izakhiwo zamakhemikhali I-Alkaline) , lapho izinga lokushisa likhuphuka, umhwamuko uyahwamuka, futhi i-hydroxide idonswa odongeni.Ngokuhwamuka kwamanzi kancane kancane, i-hydroxide iyancipha phezu kukasimende kakhonkolo, oqoqa ngokuhamba kwesikhathi, okwenza ukuhlobisa kwangempela Lapho upende noma upende uphakanyiswa futhi ungasabambeleli odongeni, umhlophe, ucwecwe, futhi ukukhishwa kuzokwenzeka.Le nqubo ibizwa ngokuthi "pan-alkali".Ngakho-ke akuyona i-ubiquinol ebangelwa i-hydroxypropyl methylcellulose
Ikhasimende liphinde lasho into ethile: i-grout efuthwe elenzile izoba ne-pan-alkaline phenomenon odongeni lukakhonkolo, kodwa ngeke ivele odongeni lwezitini ezishisiwe, okubonisa ukuthi i-silicon kusimende esetshenziswa odongeni lukakhonkolo Usawoti (i-alkaline enamandla kakhulu). ama-salts) aphezulu kakhulu.I-efflorescence ebangelwa ukuhwamuka kwamanzi asetshenziswa ku-spray grouting.Kodwa-ke, ayikho i-silicate odongeni lwezitini ezishisiwe futhi akukho i-efflorescence ezokwenzeka.Ngakho-ke ukwenzeka kwe-efflorescence akuhlangene nokufafaza.
Isixazululo:
1. Okuqukethwe kwe-silicate ye-base concrete sement kuyancipha.
2. Sebenzisa i-anti-alkali back coating agent, isisombululo singena etsheni ukuvimba i-capillary, ukuze amanzi, i-Ca (OH) 2, usawoti nezinye izinto zingakwazi ukungena, futhi zinqume indlela ye-pan-alkaline phenomenon.
3. Vimbela ukungena kwamanzi, futhi ungafafazi amanzi amaningi ngaphambi kokwakhiwa.
Ukwelashwa kwe-pan-alkaline phenomenon:
I-ejenti yokuhlanza i-stone efflorescence emakethe ingasetshenziswa.Le ejenti yokuhlanza iwuketshezi olushintshayo olungenambala olwenziwe ngama-non-ionic surfactants nezincibilikisi.Kunomthelela othile ekuhlanzeni ezinye izindawo zamatshe zemvelo.Kodwa ngaphambi kokusebenzisa, qiniseka ukuthi wenza isampula encane yokuhlola ibhulokhi ukuze uhlole umphumela futhi unqume ukuthi uzoyisebenzisa yini.
Ukusetshenziswa Cellulose Embonini Construction
1. Udaka lukasimende: Ukwenza ngcono ukuhlakazwa kwesihlabathi sikasimende, kuthuthukise kakhulu ipulasitiki nokugcinwa kwamanzi kodaka, kube nomthelela ekuvimbeleni ukuqhekeka, futhi kuthuthukise amandla kasimende.
2. Usimende wethayela: thuthukisa ipulasitiki nokugcinwa kwamanzi kodaka lwethayela elicindezelwe, thuthukisa ukunamathela kwama-tile, futhi uvimbele ukuchaki.
3. Ukumbozwa kwezinto eziphikisayo ezifana ne-asbestos: njenge-ejenti yokumisa, i-ejenti yokuthuthukisa uketshezi, futhi kuthuthukisa amandla okubopha ku-substrate.
4. I-Gypsum coagulation slurry: thuthukisa ukugcinwa kwamanzi nokucutshungulwa, futhi uthuthukise ukunamathela ku-substrate.
5. Usimende ohlangene: wengezwe kusimende ohlangene we-gypsum board ukuze kuthuthukiswe uketshezi kanye nokugcinwa kwamanzi.
6. I-Latex putty: thuthukisa uketshezi nokugcinwa kwamanzi kwe-resin latex-based putty.
7. I-Stucco: Njengokunamathisela esikhundleni semikhiqizo yemvelo, ingathuthukisa ukugcinwa kwamanzi futhi ithuthukise amandla okubopha nge-substrate.
8. Izingubo zokumboza: Njenge-plasticizer yezingubo ze-latex, ingathuthukisa ukusebenza kanye ne-fluidity ye-coatings nama-putty powders.
9. Ukufafaza upende: Kunomphumela omuhle ekuvimbeleni ukucwila kukasimende noma izinto zokufafaza ze-latex nama-filler nokuthuthukisa uketshezi kanye nephethini yesifutho.
10. Imikhiqizo yesibili kasimende negypsum: isetshenziswa njenge-extrusion molding binder ye-cement-asbestos nezinye izinto ze-hydraulic ukuze kuthuthukiswe uketshezi futhi kutholwe imikhiqizo ebunjiwe efanayo.
11. I-Fiber wall: Ngenxa ye-anti-enzyme kanye nomphumela wokulwa namagciwane, iyasebenza njengesibopho sezindonga zesihlabathi.
12. Abanye: Ingasetshenziswa njenge-ejenti yokugcina ibhamuza lomoya (inguqulo ye-PC) yodaka oluncane lwesihlabathi sobumba kanye no-opharetha we-hydraulic wodaka.
Izicelo embonini yamakhemikhali
1. I-Polymerization ye-vinyl chloride ne-vinylidene: Njengesinzinzisi sokumiswa kanye ne-dispersant ngesikhathi se-polymerization, ingasetshenziswa kanye ne-vinyl alcohol (PVA) i-hydroxypropyl cellulose (HPC) ukulawula ukuma kwezinhlayiyana nokusabalalisa kwezinhlayiyana.
2. I-Adhesive: Njengento enamathelayo yephepha lodonga, ingasetshenziswa kanye nopende we-vinyl acetate latex esikhundleni sesitashi.
3. Izibulala-zinambuzane: Yengezwe kuma-insecticide nama-herbicides, ingathuthukisa umphumela wokunamathela lapho ufutha.
4. I-Latex: I-Emulsion stabilizer ye-asphalt latex, i-thickener yerabha ye-styrene-butadiene (SBR) latex.
5. Ibhinda: njengesihlanganisi esakha samapensela namakhrayoni.
Izicelo embonini yezimonyo
1. I-Shampoo: Thuthukisa i-viscosity ye-shampoo, okokuhlanza, nokokuhlanza kanye nokuzinza kwamabhamuza.
2. Isixubho: Thuthukisa ukugcwala komuthi wokuxubha.
Izicelo embonini yezemithi
1. I-Ecapsulation: I-ejenti ye-encapsulation yenziwa isixazululo se-solvent ephilayo noma isixazululo samanzi sokuphathwa kwezidakamizwa, ikakhulukazi i-spray encapsulation yama-granules alungisiwe.
2. I-ejenti ehamba kancane: 2-3 amagremu ngosuku, i-1-2G isikhathi ngasinye, umphumela uzovela ezinsukwini ezingu-4-5.
3. Amaconsi ehlo: Njengoba ingcindezi ye-osmotic ye-methylcellulose aqueous solution ifana neyezinyembezi, ayicasuli kancane emehlweni, ngakho yengezwa emathonsini esweni njengesigcobo sokuthinta i-eyeball lens.
4. Ujeli: njengento eyisisekelo yomuthi wangaphandle onjengejeli noma amafutha okugcoba.
5. Umuthi wokucwilisa: njenge-thickener, i-ejenti yokugcina amanzi
Isikhathi sokuthumela: Nov-17-2022