I-Cellulose ether yi-polymer engeyiyo i-ionic semi-synthetic, e-soluble emanzini kunye ne-solvent-soluble.Ineempembelelo ezahlukeneyo kumashishini ahlukeneyo.Umzekelo, kwizinto zokwakha iikhemikhali, zineempembelelo ezidibeneyo zilandelayo:
①Iarhente yokugcina amanzi
②I-Thickener
③Umgangatho
④Ukwenziwa kwefilimu
⑤ Isibophelelo
Kwishishini le-polyvinyl chloride, i-emulsifier kunye ne-dispersant;kwishishini lamachiza, liyi-binder kunye nesikhokelo sokukhululwa esicothayo nesilawulwayo, njl. Ngenxa yokuba i-cellulose ineempembelelo ezahlukeneyo ezidibeneyo, ukusetyenziswa kwayo Intsimi nayo ininzi kakhulu.Emva koko, ndiya kugxininisa ekusebenziseni kunye nomsebenzi we-cellulose ether kwizinto ezahlukeneyo zokwakha.
1. Kwishishini lepeyinti ye-latex, khetha i-cellulose ye-hydroxyethyl, ukucaciswa ngokubanzi kwe-viscosity elinganayo yi-RT30000-50000cps, ehambelana nokucaciswa kwe-HBR250, kunye ne-reference dosage ngokubanzi malunga ne-1.5 ‰-2‰.Umsebenzi ophambili we-hydroxyethyl kwipeyinti ye-latex kukujiya, ukuthintela i-gelation ye-pigment, ukunceda ukusasazeka kwe-pigment, ukuzinza kwe-latex, kunye nokwandisa i-viscosity yamacandelo, eluncedo ekusebenzeni komgangatho wokwakha. : Iselulosi yeHydroxyethyl ilungele ukusetyenziswa.Inokuchithwa emanzini abandayo okanye kumanzi ashushu, kwaye ayichaphazeli ixabiso le-pH.Ingasetyenziswa ngokukhuselekileyo phakathi kwexabiso le-PI 2 kunye ne-12. Iindlela zokusetyenziswa zezi zilandelayo:
I. Yongeza ngokuthe ngqo kwimveliso: Kule ndlela, i-hydroxyethyl cellulose uhlobo lokulibaziseka kufuneka lukhethwe, kunye ne-hydroxyethyl cellulose enexesha lokuchithwa kwemizuzu engaphezu kwe-30 isetyenziswe.Ubungakanani bamanzi asulungekileyo ngaphakathi emlonyeni ②Qala ukuvuselela ngesantya esisezantsi ngokuqhubekayo, kwaye kwangaxeshanye kancinane wongeza ihydroxyethyl kwisisombululo ngokulinganayo ③Qhubeka ushukumisa de zonke imathiriyeli zegranular zifakwe emanzini ④Yongeza ezinye izongezo kunye nezongezo zealkaline, njl. unyibilike ngokupheleleyo, uze ungeze amanye amacandelo kwifomula, kwaye ugaye de kube yimveliso egqityiweyo.
Ⅱ.Ixhotyiswe ngotywala boomama ukuze isetyenziswe kamva: Le ndlela inokukhetha i-cellulose ekhawulezileyo, enefuthe lokulwa nokungunda.Inzuzo yale ndlela kukuba inokuguquguquka okukhulu kwaye inokongezwa ngokuthe ngqo kwipeyinti ye-latex.Indlela yokulungiselela iyafana namanyathelo ①-④.
Ⅲ.Lungiselela isidudu ukuze sisetyenziswe kamva: Ekubeni izinyibilikisi zendalo zizinyibilikisi ezinganyibilikiyo (ezingenakunyibilika) kwi-hydroxyethyl, ezi zinyibilikisi zinokusetyenziselwa ukulungisa isidudu.Ezona zinyibiliki zisetyenziswa ngokuqhelekileyo zilulwelo lwendalo kwimixube yepeyinti ye-latex, efana ne-ethylene glycol, ipropylene glycol, kunye ne-film-forming agents (ezifana nediethylene glycol butyl acetate).I-porridge hydroxyethyl cellulose inokongezwa ngokuthe ngqo kwipeyinti.Qhubeka uvuselela de unyibilike ngokupheleleyo.
2. Kwi-wall scraping putty: Okwangoku, i-putty yokhuselo lwendalo ekwazi ukumelana namanzi kunye ne-scrub-resistant kwizixeko ezininzi zelizwe lam ixatyiswe kakhulu ngabantu.Impilo, iglue yokwakha yenziwe nge-acetalizing polyvinyl alcohol kunye ne-formaldehyde.Ngoko ke, esi sixhobo sipheliswa ngokuthe ngcembe ngabantu, kwaye iimveliso ze-cellulose ether series zisetyenziselwa ukubuyisela le nto.Oko kukuthi, ukuphuhliswa kwezinto zokwakha ezihambelana nokusingqongileyo, i-cellulose okwangoku iyona nto kuphela.Kwi-putty enganyangekiyo emanzini, ihlulwe ibe ziindidi ezimbini: iputty eyomileyo kunye ne-putty paste.Phakathi kwezi ntlobo zimbini ze-putty, i-methyl cellulose ehlaziyiweyo kunye ne-hydroxypropyl methyl kufuneka ikhethwe.Inkcazo ye-viscosity ngokubanzi iphakathi kwe-30000-60000cps.Imisebenzi ephambili ye-cellulose kwi-putty kukugcina amanzi, ukudibanisa kunye nokuthambisa.Kuba iifomyula ze-putty zabavelisi abahlukeneyo zahlukile, ezinye ziyi-calcium egrey, i-calcium ekhanyayo, i-samente emhlophe, njl., kwaye ezinye ziyi-gypsum powder, i-calcium engwevu, i-calcium ekhanyayo, njl. iifomula ezimbini nazo zahlukile.Imali eyongeziweyo imalunga ne-2 ‰-3 ‰.Kulwakhiwo lwe-putty eludongeni, ekubeni umgangatho wesiseko sodonga unomlinganiselo othile wokufunxa amanzi (izinga lokufunxa amanzi eludongeni lwezitena li-13%, kunye nesantya sokufunxa amanzi kwikhonkrithi yi-3-5%), idityaniswe ne-evaporation yelizwe langaphandle, ukuba i-putty ilahlekelwa ngamanzi ngokukhawuleza , Kuya kukhokelela ekuqhekekeni okanye ekususweni komgubo, okuya kwenza buthathaka amandla e-putty.Ngoko ke, ukongeza i-cellulose ether kuya kusombulula le ngxaki.Kodwa umgangatho we-filler, ngakumbi umgangatho we-ash calcium nayo ibaluleke kakhulu.Ngenxa ye-viscosity ephezulu ye-cellulose, i-buoyancy ye-putty nayo iphuculwe, kwaye i-phenomenon ephazamisayo ngexesha lokwakha nayo iyathintelwa, kwaye ikhululekile kwaye isindisa abasebenzi emva kokukhuhla.Kukulungele ngakumbi ukongeza i-cellulose ether kwi-powder putty.Imveliso kunye nokusetyenziswa kwayo kulula ngakumbi.I-filler kunye nezongezo zinokuxutywa ngokulinganayo kwipowder eyomileyo.
3. Udaka lwekhonkrithi: Kwi-concrete mortar, ukufezekisa amandla okugqibela, i-samente kufuneka ifakwe ngokupheleleyo.Ngokukodwa ekwakhiweni kwehlobo, udaka lwekhonkrithi lulahlekelwa ngamanzi ngokukhawuleza, kwaye imilinganiselo ye-hydration epheleleyo isetyenziselwa ukugcina nokufefa amanzi.Indlela yokuqala kukudala inkcitho yobutyebi bamanzi kunye nokusebenza kakubi.Inqaku eliphambili kukuba amanzi aphezu komhlaba kuphela, kwaye i-hydration yangaphakathi ayiphelelanga.Ngoko ke, isisombululo sale ngxaki kukongeza ii-agent ezisibhozo zokugcina amanzi kwikhonkrithi yodaka.Ngokuqhelekileyo, i-hydroxypropyl ikhethiwe.I-Methyl okanye i-methyl cellulose, inkcazo ye-viscosity iphakathi kwe-20000-60000cps, kwaye isixa esongezelelweyo yi-2% -3%.Izinga logcino lwamanzi linokunyuswa libe ngaphezu kwama-85%.Indlela yokusetyenziswa kwikhonkrithi yodaka kukuxuba umgubo owomileyo ngokulinganayo kwaye uwuthulule emanzini.
4. Ekutyatyekeni kwegypsum, igypsum edibanisayo, kunye negypsum yecaulking: Ngokukhula ngokukhawuleza kweshishini lokwakha, imfuno yabantu yezinto ezintsha zokwakha nayo iyanda.Ngenxa yokwanda kokuqonda kwabantu ngokukhuselwa kwendalo kunye nokuphuculwa okuqhubekayo kobuchule bokwakha, izinto zesamente Iimveliso zeGypsum ziye zaphuhliswa ngokukhawuleza.Okwangoku, ezona mveliso zixhaphakileyo zegypsum kukutyabeka igypsum, igypsum edityanisiweyo, igypsum eyakhiweyo, kunye neadhesive tile.I-gypsum ye-plastering yinto ephezulu yokutyabeka kwiindonga zangaphakathi kunye neesilingi.Udonga olutyatyekwe ngayo lulungile kwaye lugudileyo.Ibhodi entsha yokuncamathela yebhodi yokukhanya yinto encangathi eyenziwe ngegypsum njengesiseko sezinto kunye nezongezo ezahlukeneyo.Ilungele ukudityaniswa phakathi kwezinto ezahlukeneyo zodonga lwezakhiwo ezingaphiliyo.Ayinatyhefu, i-Odorless, amandla okuqala kunye nokumisela ngokukhawuleza, ukudibanisa okuqinileyo kunye nezinye iimpawu, yinto exhasayo kwiibhodi zokwakha kunye nokwakhiwa kweebhloko;i-agent ye-gypsum caulking yi-gap filler phakathi kweebhodi ze-gypsum kunye ne-filler yokulungisa iindonga kunye nokuqhekeka.Ezi mveliso zegypsum zinemisebenzi eyahlukeneyo.Ukongeza kwindima ye-gypsum kunye neefayili ezihambelanayo, umba ophambili kukuba izongezo ze-cellulose ether ezongeziweyo zidlala indima ephambili.Ekubeni i-gypsum ihlulwe ibe yi-gypsum ye-anhydrous kunye ne-hemihydrate gypsum, i-gypsum eyahlukileyo ineempembelelo ezahlukeneyo ekusebenzeni kwemveliso, ngoko ke ukuqina, ukugcinwa kwamanzi kunye nokunciphisa umgangatho wezinto zokwakha ze-gypsum.Ingxaki eqhelekileyo yezi zixhobo i-hollowing kunye nokuqhekeka, kwaye amandla okuqala awanakufikelelwa.Ukusombulula le ngxaki, kukukhetha uhlobo lwe-cellulose kunye nendlela yokusetyenziswa kwekhompawundi ye-retarder.Kulo mba, i-methyl okanye i-hydroxypropyl methyl 30000 ikhethwa ngokubanzi.-60000cps, imali eyongeziweyo yi-1.5% -2%.Phakathi kwazo, i-cellulose igxile ekugcinweni kwamanzi kunye nokunciphisa i-lubrication.Nangona kunjalo, akunakwenzeka ukuthembela kwi-cellulose ether njenge-retarder, kwaye kuyimfuneko yokongeza i-citric acid retarder ukuxuba nokusebenzisa ngaphandle kokuchaphazela amandla okuqala.Ugcino lwamanzi lubhekisa kubungakanani bamanzi aya kulahleka ngokwendalo ngaphandle kokufunxwa kwamanzi ngaphandle.Ukuba udonga lome kakhulu, ukufunxwa kwamanzi kunye nokunyuka kwemvelo kwisiseko somhlaba kuya kwenza ukuba izinto zilahlekelwe ngamanzi ngokukhawuleza, kunye nokuqhekeka kunye nokuqhekeka kuya kwenzeka.Le ndlela yokusetyenziswa ixutywe nomgubo owomileyo.Ukuba ulungiselela isisombululo, nceda ubhekisele kwindlela yokulungiselela isisombululo.
5. I-insulation mortar I-insulation mortar luhlobo olutsha lwempahla yokugquma eludongeni lwangaphakathi kummandla ongasentla.Yinto eludongeni eyenziwe ngezinto zokugquma, udaka kunye ne-binder.Kule nto, i-cellulose idlala indima ephambili ekudibaniseni nasekunyuseni amandla.Ngokuqhelekileyo khetha i-methyl cellulose ene-viscosity ephezulu (malunga ne-10000eps), i-dosage iphakathi kwe-2 ‰-3 ‰), kwaye indlela yokusetyenziswa i-powder eyomileyo yokuxuba.
6. I-ejenti ye-Interface Khetha i-HPNC 20,000 cps njenge-agent ye-interface, khetha i-60,000 cps okanye ngaphezulu njenge-adhesive tile, kwaye ugxininise kwi-agent enzima kwi-agent ye-interface, enokuphucula amandla okuqina kunye namandla okuchasana notolo.Isetyenziswa njenge-arhente yokugcina amanzi ekudibaneni kweethayile ukunqanda iithayile ekuphelelweni kwamanzi ngokukhawuleza kwaye ziwe.
Ixesha lokuposa: Feb-18-2023