IHydroxypropyl methylcellulose (HPMC) iyi-ether engeyona ionic cellulose eyenziwe nge-cellulose yezinto ze-polymer yemvelo ngochungechunge lwezinqubo zamakhemikhali. I-Hydroxypropylmethylcellulose (I-HPMC) iyimpushana emhlophe engenaphunga, enganambitheki, engenabuthi engancibilika emanzini abandayo yakhe isixazululo se-viscous esisobala. Inezici zokuqina, ukubopha, ukusabalalisa, i-emulsifying, ifilimu-forming, ukumiswa, i-adsorbing, i-gelling, i-surface esebenzayo, ukugcina umswakama nokuvikela i-colloid.
I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezinengilazi, izinsalela zokwenziwa, izitsha zobumba, imithi, ukudla, izindwangu, ezolimo, izimonyo, ugwayi nezinye izimboni. I-HPMC ingahlukaniswa ngebanga lokwakha, ibanga lokudla kanye nebanga lezemithi ngokwenhloso. Njengamanje, iningi lemikhiqizo yasekhaya isezingeni lokwakha. Ebangeni lokwakha, i-putty powder isetshenziswa ngenani elikhulu, cishe i-90% isetshenziselwa i-putty powder, kanti enye isetshenziselwa udaka lukasimende neglue.
I-Cellulose ether i-non-ionic semi-synthetic high molecular polymer, encibilika emanzini futhi encibilika.
Imiphumela ebangelwa izimboni ezahlukene ihlukile. Isibonelo, ezintweni zokwakha zamakhemikhali, zinemiphumela elandelayo eyinhlanganisela:
①I-ejenti egcina amanzi, ②Thickener, ③Leveling impahla, ④Indawo yokwenza ifilimu, ⑤Binder
Embonini ye-polyvinyl chloride, iyi-emulsifier ne-dispersant; embonini yezemithi, iyisibophezelo kanye nezinto zohlaka lokukhishwa kancane futhi olulawulwayo, njll. Ngenxa yokuthi i-cellulose inemiphumela ehlukahlukene ehlanganisiwe, ukusetshenziswa kwayo Inkambu nayo ibanzi kakhulu. Okulandelayo, ngizogxila ekusetshenzisweni nasekusebenzeni kwe-cellulose ether ezintweni zokwakha ezihlukahlukene.
Isicelo in udongai-putty
Ku-putty powder, i-HPMC idlala izindima ezintathu zokuqina, ukugcinwa kwamanzi kanye nokwakha.
Ukuqina: I-Cellulose ingajiywa ukuze imise futhi igcine umfaniswano wekhambi phezulu naphansi, futhi imelane nokuwohloka.
Ukwakhiwa: I-Cellulose inomphumela wokugcoba, ongenza i-putty powder ibe nokwakhiwa okuhle.
Isicelo odakeni lukakhonkolo
Udaka olulungiselelwe ngaphandle kokwengeza ukuqina okubamba amanzi kunamandla amakhulu acindezelayo, kodwa impahla egcina amanzi engeyinhle, ukuhlangana, ukuthamba, ukopha okukhulu, ukuzwa ukungasebenzi kahle, futhi empeleni akunakusetshenziswa. Ngakho-ke, ukuqina kwamanzi okugcina amanzi kuyisici esibalulekile sodaka oluxutshwe ngomumo. Kukhonkolo wodaka, i-hydroxypropyl methyl cellulose noma i-methyl cellulose ngokuvamile ikhethwa, futhi izinga lokugcinwa kwamanzi lingakhuphuka libe ngaphezu kwama-85%. Indlela yokusebenzisa ukhonkolo wodaka ukufaka amanzi ngemva kokuba impushana eyomile ixutshwe ngokulinganayo. Ukugcinwa kwamanzi okuphezulu kungakhipha usimende ngokugcwele. Amandla ebhondi anyuke ngokuphawulekayo. Ngesikhathi esifanayo, amandla okuqina nawokugunda angathuthukiswa ngendlela efanele. Thuthukisa kakhulu umphumela wokwakha futhi uthuthukise ukusebenza kahle komsebenzi.
Isicelo ku-adhesive tile
1. I-adhesive ye-Hydroxypropyl methylcellulose tile isetshenziswa ngokukhethekile ukonga isidingo sokucwilisa ngaphambili amathayela emanzini.
2. Unamathisela ojwayelekile futhi uqinile
3. Ubukhulu bokunamathisela bungu-2-5mm, okonga izinto kanye nesikhala, nokwandisa isikhala sokuhlobisa
4. Izidingo zobuchwepheshe zokuthunyelwa kwabasebenzi aziphezulu
5. Asikho isidingo sokuyilungisa ngeziqeshana zepulasitiki eziphambanayo nhlobo, ukunamathisela ngeke kuwele phansi, futhi ukunamathela kuqinile.
6. Ngeke kube ne-slurry ngokweqile emajoyini wezitini, okungagwema ukungcoliswa kwendawo yezitini.
7. Izingcezu eziningi zamathayela e-ceramic zinganamathiselwa ndawonye, ngokungafani nokulinganisa kwesiqephu esisodwa sikasimende wokwakha.
8. Isivinini sokwakha siyashesha, cishe izikhathi ezi-5 ngokushesha kunokuthunyelwa kosimende, ukonga isikhathi nokuthuthukisa ukusebenza kahle komsebenzi.
Isicelo ku-ejenti ye-caulking
Ukwengezwa kwe-cellulose ether kwenza kube nokunamathela okuhle konqenqemeni, ukuncipha okuphansi kanye nokumelana nokuhuzuka okuphezulu, okuvikela izinto eziyisisekelo ekulimaleni komshini futhi kugweme umthelela omubi wokungena kwamanzi esakhiweni sonke.
Isicelo ezintweni zokuzilinganisa
Vimbela ukopha:
Idlala indima enhle ekumisweni, ukuvimbela ukufakwa kwe-slurry kanye nokopha;
Gcina ukuhamba futhi:
I-viscosity ephansi yomkhiqizo ayithinti ukugeleza kwe-slurry futhi kulula ukusebenza nayo. Inokugcinwa kwamanzi okuthile futhi ingaveza umphumela omuhle wangaphezulu ngemva kokuzilinganisa ukuze ugweme imifantu.
Ukusetshenziswa kodaka lwangaphandle lokufakwa odongeni
Kulesi sihloko, i-cellulose ether idlala indima enkulu yokuhlanganisa nokwandisa amandla, okwenza udaka lube lula ukumbozwa futhi luthuthukise ukusebenza kahle komsebenzi. Ngesikhathi esifanayo, inamandla okumelana nokulenga. Ukumelana nokuqhekeka, thuthukisa ikhwalithi yendawo, ukwandisa amandla ebhondi.
Ukwengezwa kwe-hydroxypropyl methylcellulose nakho kube nomthelela omkhulu wokunciphisa ingxube yodaka. Ngokukhuphuka kwenani le-HPMC, isikhathi sokumisa udaka siyanwetshwa, futhi inani le-HPMC nalo liyakhuphuka ngokufanele. Isikhathi sokumisa udaka olwakhiwe ngaphansi kwamanzi side kunaleso esakhiwe emoyeni. Lesi sici sihle kakhulu ngokumpompa ukhonkolo ngaphansi kwamanzi. Udaka olusha lukasimende oluxutshwe ne-hydroxypropyl methylcellulose lunezakhiwo ezinhle zokuhlangana futhi cishe awekho amanzi agelezayo.
Isicelo ku-gypsum mortar
1. Thuthukisa izinga lokusabalala kwesisekelo se-gypsum: Uma kuqhathaniswa ne-hydroxypropyl methylcellulose ether efanayo, izinga lokusabalalisa landa kakhulu.
2. Izinkambu zokufaka isicelo kanye nomthamo: i-gypsum eplastekayo ephansi elula, umthamo onconywayo ngu-2.5-3.5 kg/ton.
3. Ukusebenza okuhle kakhulu kwe-anti-sagging: akukho sag lapho ukwakhiwa kwephasi eyodwa kusetshenziswa izendlalelo eziwugqinsi, akukho sag lapho isetshenziswa amaphasi angaphezu kwamabili (ngaphezu kuka-3cm), ipulasitiki enhle kakhulu.
4. Ukwakheka okuhle kakhulu: kulula futhi kubushelelezi lapho ilenga, ingabunjwa ngesikhathi esisodwa, futhi inopulasitiki.
5. Izinga lokugcinwa kwamanzi elihle kakhulu: ukwandisa isikhathi sokusebenza kwesisekelo se-gypsum, thuthukisa ukumelana nesimo sezulu sesisekelo se-gypsum, ukwandisa amandla okubopha phakathi kwesisekelo se-gypsum nesendlalelo sesisekelo, ukusebenza okuhle kakhulu kwe-wet bonding, nokunciphisa umlotha wokufika.
6. Ukuhambisana okuqinile: Kufanelekile kuzo zonke izinhlobo zesisekelo se-gypsum, ukunciphisa isikhathi sokucwila se-gypsum, ukunciphisa izinga lokunciphisa okomisa, futhi indawo yodonga akulula ukugoba nokuqhekeka.
Ukusetshenziswa kwe-ejenti yesixhumi esibonakalayo
IHydroxypropylmethylcellulose (HPMC) kanye ne-hydroxyethylmethylcellulose (HEMC) yizinto zokwakha ezisetshenziswa kakhulu,
Uma isetshenziswa njenge-ejenti yokusebenzelana yezindonga zangaphakathi nezangaphandle, inezici ezilandelayo:
-Kulula ukuhlanganisa ngaphandle kwezigaxa:
Ngokuxubana namanzi, ukungqubuzana phakathi nenqubo yokomisa kuyancipha kakhulu, okwenza ukuxuba kube lula futhi kusindise isikhathi sokuxuba;
- Ukugcinwa kahle kwamanzi:
Ngokuphawulekayo kunciphisa umswakama othathwe udonga. Ukugcinwa kahle kwamanzi kungaqinisekisa isikhathi eside sokulungiselela usimende, futhi ngakolunye uhlangothi, kungaqinisekisa nokuthi abasebenzi bangakwazi ukukhuhla i-putty yodonga izikhathi eziningi;
- Ukuzinza okuhle kokusebenza:
Ukugcinwa kwamanzi okuhle endaweni yokushisa ephezulu, efanelekile ukusebenza ehlobo noma ezindaweni ezishisayo.
- Izidingo ezandisiwe zamanzi:
Ngokuphawulekayo kwandisa isidingo samanzi sezinto ze-putty. Yandisa isikhathi senkonzo ye-putty odongeni, ngakolunye uhlangothi, ingandisa indawo yokugqoka ye-putty futhi yenze ifomula ibe yimali.
Isicelo ku-gypsum
Njengamanje, imikhiqizo evame kakhulu ye-gypsum i-gypsum yokunamathisela, i-gypsum eboshiwe, i-gypsum ehlotshisiwe, ne-adhesive tile.
I-Gypsum plaster iyinto ephezulu yokukhonkoloza yezindonga zangaphakathi nophahla. Udonga olunamekwe ngalo luhle futhi lubushelelezi, alulahlekelwa impushana, luboshwe ngokuqinile esisekelweni, alunakuphazamiseka nokuwa, futhi lunomsebenzi ongashi;
I-Adhesive Gypsum iwuhlobo olusha lokunamathela ekwakheni amabhodi okukhanya. Yenziwe nge-gypsum njengento eyisisekelo kanye nezithasiselo ezihlukahlukene.
Ifanele ukuhlangana phakathi kwezinto ezihlukahlukene zezindonga zokwakha ezingaphili. Inezici zokungewona ubuthi, okunganambitheki, amandla okuqala kanye nokusetha okusheshayo, kanye nesibopho esiqinile. Kuyinto esekelayo yokwakha amabhodi kanye nokwakhiwa kwebhulokhi;
I-Gypsum caulk iyisigcwalisi segebe phakathi kwamabhodi e-gypsum kanye nesigcwalisi sokulungisa izindonga nokuqhekeka.
Le mikhiqizo ye-gypsum inochungechunge lwemisebenzi ehlukene. Ngaphezu kwendima ye-gypsum kanye nezigcwalisi ezihlobene, inkinga eyinhloko ukuthi izithasiselo ze-cellulose ether ezengeziwe zidlala indima ehamba phambili. Ngenxa yokuthi i-gypsum ihlukaniswe yaba yi-gypsum anhydrous kanye ne-hemihydrate gypsum, i-gypsum ehlukene inemiphumela ehlukene ekusebenzeni komkhiqizo, ngakho-ke ukuqina, ukugcinwa kwamanzi kanye nokuvinjelwa kunquma izinga lezinto zokwakha ze-gypsum. Inkinga evamile yalezi zinto ezisetshenziswayo ukugoba nokuqhekeka, futhi amandla okuqala awakwazi ukufinyelelwa. Ukuxazulula le nkinga, ukukhetha uhlobo lwe-cellulose kanye nendlela yokusebenzisa inhlanganisela ye-retarder. Mayelana nalokhu, i-methyl noma i-hydroxypropyl methyl 30000 ngokuvamile ikhethwa. -60000cps, inani elengeziwe liphakathi kuka-1.5 ‰–2 ‰, i-cellulose isetshenziselwa kakhulu ukugcina amanzi kanye nokunciphisa ukuthambisa.
Kodwa-ke, akunakwenzeka ukuthembela ku-cellulose ether njenge-retarder, futhi kuyadingeka ukwengeza i-citric acid retarder ukuxuba nokusebenzisa ngaphandle kokuthinta amandla okuqala.
Ukugcinwa kwamanzi ngokuvamile kubhekisela ekutheni angakanani amanzi azolahleka ngokwemvelo ngaphandle kokumuncwa kwamanzi ngaphandle. Uma udonga lome kakhulu, ukumuncwa kwamanzi kanye nokuhwamuka kwemvelo endaweni engaphansi kuzokwenza izinto zilahlekelwe amanzi ngokushesha kakhulu, futhi ukumboza nokuqhekeka nakho kuzokwenzeka.
Le ndlela yokusetshenziswa ixubene nempushana eyomile. Uma ulungisa isixazululo, sicela ubheke indlela yokulungiselela ikhambi.
Isicelo ngopende we-latex
Embonini yokupenda ye-latex, i-hydroxyethyl cellulose kufanele ikhethwe. Ukucaciswa okujwayelekile kwe-viscosity emaphakathi ngu-30000-50000cps, okuhambisana nokucaciswa kwe-HBR250. Isilinganiso sereferensi ngokuvamile silinganiselwa ku-1.5 ‰-2 ‰. Umsebenzi oyinhloko we-hydroxyethyl kupende we-latex ukuqina, ukuvimbela ukugeleza kwe-pigment, ukusiza ukuhlakazeka kwe-pigment, ukuzinza kwe-latex, nokwandisa i-viscosity yezingxenye, okuwusizo ekusebenzeni kokulinganisa kokwakhiwa. .
Isikhathi sokuthumela: Dec-13-2022