Umsebenzi kunye nokusetyenziswa kwe-cellulose ether kwizinto zokwakha zokusingqongileyo
Iselulosi etheri-polymer engeyiyo i-ionic semi-synthetic, i-soluble yamanzi kunye ne-solvent ezimbini, kumashishini ahlukeneyo abangelwa yindima yahlukile, njengakwizinto zokwakha iikhemikhali, inempembelelo edibeneyo:
① iarhente yokugcina amanzi
② i-arhente yokujiya
③ ukulinganisa
④ ukwenza ifilim
⑤ isibophelelo;
Kwishishini lePVC, liyi-emulsifier, i-dispersant; Kwishishini lamachiza, luhlobo lwe-binder kunye nokukhululwa okucothayo kwe-skeleton material, kuba i-cellulose ineempembelelo ezahlukeneyo ezidibeneyo, ngoko ke yintsimi esetyenziswa kakhulu. Ngezantsi ndigxininise ekusebenziseni i-cellulose ether kwizinto zokwakha zokusingqongileyo kunye nendima.
1. ipeyinti yelatex
Kumgca wepeyinti ye-latex, ukukhetha i-cellulose ye-hydroxyethyl, ukucaciswa ngokubanzi kwe-viscosity yi-RT3000-50000cps, i-dosage yereferensi ngokuqhelekileyo i-1.5 ‰-2‰. Indima ephambili ye-hydroxyethyl kwipeyinti ye-latex kukujiya, ukuthintela i-pigment gelation, igalelo ekusasazweni kwe-pigment, i-latex, ukuzinza, kwaye inokuphucula i-viscosity yamacandelo, igalelo ekusebenzeni komgangatho wokwakha: I-Hydroxyethyl cellulose kulula ukuyisebenzisa, inokunyibilika kumanzi abandayo nashushu, kwaye ayichatshazelwa lixabiso le-PH, ingasetyenziswa phakathi kwexabiso le-PH 2 kunye ne-12, ukusetyenziswa kwezi ndlela zintathu zilandelayo:
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I. Yongeza ngokuthe ngqo:
Kule ndlela, i-hydroxyethyl cellulose ilibazisekile uhlobo - i-hydroxyethyl cellulose kunye nexesha lokuchithwa kwemizuzu engaphezu kwe-30 kufuneka ikhethwe. Inkqubo imi ngolu hlobo lulandelayo: (1) ukuba phezulu kufuneka usike blender isikhongozeli kunye quantitative amanzi acocekileyo (2) abantu baqala ukucotha ukushukumisa ngokuqhubekayo, kwangaxeshanye ngokucotha wongeza hydroxyethyl ngokulinganayo kwisisombululo (3) qhubeka ushukumisa de bonke. izinto ezimanzi zegranular (4) ukudibanisa ezinye izongezo kunye nezongezelelo zealkaline (5) zixhokonxa de zinyibilike ngokupheleleyo yonke i-hydroxyethyl, yongeza amanye amacandelo efomyula, ukugaya kwimveliso egqityiweyo.
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ⅱ. Ixhotyiswe ngotywala bemama:
Le ndlela inokukhetha i-cellulose e-soluble ekhawulezayo, kwaye ine-mildew-proof effect. Inzuzo yale ndlela kukuba nokuguquguquka okukhulu, unokudibanisa ipeyinti ye-emulsioni ngqo kuyo, ukwenza indlela iyafana ①–④ inyathelo iyafana.
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ⅲ, nesidudu ukuze sisetyenziswe:
Ekubeni izinyibilikisi eziphilayo zizinyibilikisi ezihlwempuzekileyo (ezingenakunyibilika) kwi-hydroxyethyl, zingasetyenziselwa ukulungisa isidudu. I-solvents ye-organic esetyenziswa kakhulu yi-organic liquids kwi-latex paint formulations, njenge-ethylene glycol, i-propylene glycol kunye ne-film forming agents (ezifana ne-diethylene glycol butyl acetate), i-porridge hydroxyethyl cellulose inokongezwa ngokuthe ngqo kwipeyinti, emva kokongeza, qhubeka uvuselela de unyibilike ngokupheleleyo.
2. ukukhuhla iputty eludongeni
Okwangoku, i-China iphakathi kwesixeko esikhulu sokumelana namanzi, ukuchasana ne-swab ye-putty yokukhusela indalo kuye kwathathwa ngokubalulekileyo ngabantu, kwiminyaka embalwa edlulileyo, ngenxa yokuba i-putty eyenziwe ngeglue yokwakha ikhupha umonakalo wegesi ye-formaldehyde kwimpilo yabantu, isakhiwo. iglu yenziwe nge-polyvinyl alcohol kunye ne-formaldehyde acetal reaction. Ngoko ke lo mbandela ngokuthe ngcembe upheliswe ngabantu, kwaye ukutshintshwa kwesi sixhobo yi-cellulose ether uchungechunge lweemveliso, oko kukuthi, uphuhliso lwezixhobo zokwakha ukhuseleko lokusingqongileyo, i-cellulose yodwa uhlobo lwezinto ezikhoyo ngoku.
Kwiputty enganyangekiyo emanzini yahlulwe yaba yiputty eyomileyo kunye ne-putty paste iindidi ezimbini, iintlobo ezimbini ze-putty zikhetha iindidi ezimbini ze-methyl cellulose kunye ne-hydroxypropyl methyl, ukucaciswa kwe-viscosity ngokubanzi ku-3000-60000cps phakathi kweyona nto ifanelekileyo, kwindima ephambili i-cellulose kwi-putty kukugcina amanzi, ukubopha, ukuthambisa, njl.
Ngenxa yokuba i-putty formula yomenzi ngamnye ayifani, ezinye ziyi-calcium engwevu, i-calcium ekhanyayo, i-samente emhlophe, ezinye ziyi-gypsum powder, i-calcium engwevu, i-calcium ekhanyayo, njl. azifani, inani eliqhelekileyo lokongezwa ngu-2 ‰-3‰ okanye njalo.
Kudonga oluvuthelayo ludikwe kukwakhiwa kwabantwana, isiseko sodonga sinokufunxa okuthile (udonga lwezitena lomgangatho we-bibulous lwaluyi-13%, ikhonkrithi yi-3-5%), idityaniswa nokuphuma komphunga kwihlabathi langaphandle, ke ukuba uyakruquka ngumntwana. ukulahleka kwamanzi ngokukhawuleza, kuya kukhokelela ekuqhekekeni okanye into efana ne-pollen, ukwenzela ukuba amandla e-putty abe buthathaka, ngoko ke, emva kokujoyina i-cellulose ether iya kusombulula le ngxaki. Kodwa umgangatho wezinto zokuzalisa, ngakumbi umgangatho we-gray calcium nawo ubaluleke kakhulu. Ngenxa ye-viscosity ephezulu ye-cellulose, iphinda ikhulise i-buoyancy ye-putty, kwaye igweme i-phenomenon yokuhamba okujingayo ekwakhiweni, kwaye ikhululekile kwaye isindisa umsebenzi emva kokukhuhla.
3. udaka lwekhonkrithi
Kwi-concrete mortar, ngokwenene ukuphumeza amandla okugqibela, kufuneka wenze i-cement hydration reaction ngokupheleleyo, ngokukodwa ehlotyeni, ekwakhiweni kodaka lwekhonkrithi ilahleko yamanzi ngokukhawuleza, amanyathelo afakwe ngokupheleleyo emanzini okunyanga, le ndlela yinkcitho yobutyebi bamanzi kwaye ukusebenza okungathandekiyo, isitshixo siphezu komhlaba, amanzi kunye ne-hydration ayikabikho ngokupheleleyo, ngoko ke iindlela zokusombulula le ngxaki, Kwikhonkrithi yodaka ngokubanzi ukhetha ukongeza i-hydroxypropyl methyl cellulose okanye i-methyl cellulose, i-viscosity specitions phakathi kwe-20000-60000cps, ukongeza inani. ka-2 ‰–3‰ okanye kunjalo, izinga lokugcinwa kwamanzi linganyuswa ukuya ngaphezu kwe-85%, kwindlela yokusetyenziswa kwekhonkrithi yodaka kumgubo owomileyo oxutywe ngokulinganayo emva kokufaka amanzi.
4. ipeyinti i-gypsum, i-gypsum edibeneyo, i-caulking gypsum
Ngophuhliso olukhawulezayo lweshishini lokwakha, imfuno yabantu yezinto ezintsha zokwakha nayo iyanda imihla ngemihla, ngenxa yokwanda kolwazi lwabantu ngokukhuselwa kwendalo kunye nokuphuculwa okuqhubekayo kobuchule bokwakha, iimveliso zegypsum zesamente ziye zakhula ngokukhawuleza. Okwangoku ezona mpahla ziqhelekileyo zine-stucco gesso, i-caking gesso, iseti i-gesso, i-ejenti yokufaka iithayile zokulinda.
I-Plaster luhlobo lomgangatho ogqwesileyo wodonga lwangaphakathi kunye nophahla lokutyabeka izinto, kunye nalo ukusula udonga luthambile kwaye lugudileyo, musa ukulahla umgubo, kunye nebhondi yesiseko ngokuqinileyo, akukho nto iqhekezayo, kwaye inomsebenzi wokuthintela umlilo; Igypsum encamathelayo luhlobo olutsha lokuncamathelisa kwebhodi yokukhanya, igypsum njengesiseko semathiriyeli, kunye neentlobo ngeentlobo zezongezo ezenziwe ngezinto ezincangathi, ilungele zonke iintlobo zezinto ezingaphiliyo zokwakha udonga oludityanisiweyo, olungenatyhefu, olungenancasa, kwangethuba. amandla kunye nokumisela ngokukhawuleza, ukudibanisa ibhodi yokwakha, ibhloko yokwakhiwa kwezinto ezixhasayo; I-agent ye-Gypsum yokuzalisa i-seam yi-plate ye-gypsum phakathi kwezinto zokuzalisa i-gap kunye nodonga, ukuzaliswa kokulungiswa kwe-crack.
Ezi mveliso ze-gypsum zinoluhlu lwemisebenzi eyahlukeneyo, ngaphezu kwe-gypsum kunye neefayili ezinxulumene nazo ukuze zidlale indima, umba obalulekileyo wongeziweyo we-cellulose ether additives udlala indima ephambili. Ngenxa yegesso cent akanalo gesso amanzi kunye neesenti isiqingatha amanzi gesso, ezahlukeneyo gesso yahlukile isiphumo ukusebenza imveliso, ukwanda ashinyeneyo, ukukhusela amanzi, coagulate ngokucothayo umgangatho ogqiba izixhobo zokwakha gesso. Ingxaki eqhelekileyo yezi zixhobo kukuqhekeka kwegubu elingenanto, amandla okuqala akakho, ukusombulula le ngxaki, kukukhetha uhlobo lweselulosi kunye ne-agent ebambezelayo yendlela yokusetyenziswa kwengxaki, kulo mba, ukhetho jikelele lwe-methyl okanye i-hydroxypropyl methyl. 30000–60000cps, isixa esongezelelweyo yi-1.5 ‰–2‰ phakathi, ugxininiso lweselulosi kukugcina amanzi kunye nokuthomalalisa ukuthambisa.
Nangona kunjalo, kule nto ukuthembela kwi-ether ye-cellulose njengoko i-retarder ingafiki, kufuneka idibanise i-citric acid retarder emva kokusetyenziswa okuxubileyo ayiyi kuchaphazela amandla okuqala.
Izinga logcino lwamanzi ngokubanzi libhekisa kubungakanani belahleko yamanzi endalo ngokungabikho kokufunxwa kwamanzi ngaphandle. Ukuba udonga lomile, umgangatho wesiseko uthatha amanzi kunye nokunyuka kwemvelo kwenza ukuba izinto eziphathekayo zilahlekelwe ngamanzi ngokukhawuleza, kwaye kuya kubakho igubu elingenanto kunye nesiganeko sokuqhekeka.
Le ndlela yokusetyenziswa kukuxuba umgubo owomileyo, ukuba ukulungiswa kwesisombululo kunokubhekisela kwindlela yokulungisa isisombululo.
5. udaka lwe-insulation
Udaka lokugquma i-Thermal luhlobo olutsha lodonga lwangaphakathi lwemathiriyeli yokugquma ubushushu emantla eTshayina. Yinto eludongeni eyenziwe ngezinto zokufakelwa kwe-thermal, i-mortar kunye ne-binder. Kule nto, i-cellulose idlala indima ephambili ekudibaniseni nasekunyuseni amandla. Ngokuqhelekileyo, i-methyl cellulose ene-viscosity ephezulu (malunga ne-10000eps) ikhethiwe, kwaye umthamo uphakathi kwe-2 ‰ kunye ne-3 ‰. Indlela yokusetyenziswa kukuxuba umgubo owomileyo.
6. i-arhente yojongano
I-arhente yojongano yi-HPMC20000cps, isibophelelo sethayile singaphezulu kwe-60000cps, kwaye i-arhente yojongano isetyenziswa ikakhulu njenge-thickener, enokuphucula amandla okuqina kunye nokomelela kotolo.
Ixesha lokuposa: Jan-27-2022