I-Cellulose ether luhlobo lwepolymer engeyiyo-ionic semi-synthetic, kunye nokunyibilika kwamanzi kunye nokunyibilika kweentlobo ezimbini, kumashishini ahlukeneyo abangelwa yindima yahlukile, njengakwimathiriyeli yokwakha yemichiza, inesiphumo esilandelayo esihlanganisiweyo: ① Ukugcina amanzi i-arhente ② i-arhente yokutyebisa ③ ukulinganisa ④ ukwenziwa kwefilimu ⑤ isibophelelo;Kwishishini le-polyvinyl chloride, i-emulsifier, i-dispersant;Kwishishini lamachiza, luhlobo lwe-binder kunye ne-skeleton yokukhululwa kancinci kwaye ilawulwayo, kuba i-cellulose ineempembelelo ezahlukeneyo ezidibeneyo, ngoko ke yintsimi esetyenziswa kakhulu.Apha ndigxininise ekusebenziseni i-cellulose ether kwizinto zokwakha zokusingqongileyo kunye nendima.
1, ipeyinti yelatex
Kumgca wepeyinti we-LATEX, ufuna UKUKHETHA i-hydroxyethyl cellulose, ukucaciswa ngokubanzi kwe-viscosity yi-RT30000- 50000CPS, isixa sereferensi ngokubanzi 1.5 ‰-2‰ ngasekhohlo nasekunene.Indima ephambili ye-hydroxyethyl kwipeyinti ye-latex kukujiya, ukuthintela i-pigment gelation, igalelo kwi-pigment dispersion, i-latex, uzinzo, kwaye inokuphucula i-viscosity yamacandelo, igalelo ekusebenzeni komgangatho wolwakhiwo: Iselulosi yeHydroxyethyl ilungele ukusetyenziswa, kubanda. kunye namanzi ashushu anokuchithwa, kwaye akachatshazelwa yixabiso le-PH, phakathi kwe-PH 2 kunye ne-12 ingasetyenziswa, ukusetyenziswa kwezi ndlela zintathu zilandelayo:
I. Yongeza ngokuthe ngqo:
Le ndlela kufuneka ukhethe hydroxyethyl cellulose uhlobo ulibazisekile — ixesha elinyibilikayo ngaphezu kwemizuzu engama-30 ye cellulose hydroxyethyl, amanyathelo ukusetyenziswa kwayo ngolu hlobo lulandelayo: (1) ukuba eliphezulu kufuneka usike blender isikhongozeli kunye namanzi asulungekileyo quantitative (2) abantu baqala ukucotha ukuxhokonxa ngokuqhubekayo. , kwangaxeshanye ngokucotha wongeza i-hydroxyethyl ngokulinganayo kwisisombululo se (3) qhubeka ushukumisa de zonke izinto ezimanzi zegranular (4) zidibanise ezinye izongezo kunye nezongezo zealkaline (5) zivuse de zinyibilike ngokupheleleyo zonke i-hydroxyethyl, yongeza amanye amacandelo efomula. , ukugaya kwimveliso egqityiweyo.
ⅱ, ixhotyiswe ngotywala bemama obulindileyo:
Le ndlela inokukhetha uhlobo olukhawulezayo, kwaye ine-mildew - isiphumo sobungqina be-cellulose.Le ndlela inenzuzo yokuguquguquka okukhulu, inokongezwa ngokuthe ngqo kwipeyinti ye-latex, indlela yokulungiselela iyafana ①- ④ amanyathelo.
ⅲ.Phaka ngesidudu:
Ngenxa yokuba izinyibilikisi zendalo azinqweneleki (azinyibiliki) kwi-hydroxyethyl, zinokusetyenziselwa ukwenza isidudu.Esona SOLVENTS ESIQHELEKILEYO ESIQHELEKILEYO LUQEPHU LOKUPHAMBILI KWIFOMULA YEPEYINTE YELATEX, YIFANE NEGLYCOL, PROPYLENE GLYCOL KUNYE NE-ARENTE YOKWENZA IFILIM (NJENGE-DIETHYLENE glycol butyl acetic acid GREASE), ISELULOSE YEHYDROXOFARINYOTE, I-DIETHYLENE glycol butyl acetic acid GREASE. NING USAQHUBEKA UQHUBEKEZA UKUZINYULUKA NGOKUPHELELEYO.
2, ukukhuhla iputty eludongeni
Okwangoku, i-putty yokhuseleko lokusingqongileyo, enganyangekiyo ngamanzi kwaye iyakwazi ukukhuhla kwizixeko ezininzi, inikwe ingqalelo ngabantu ngokusisiseko.Kwiminyaka embalwa edlulileyo, ngenxa yokuba i-putty eyenziwe ngeglue yokwakha ikhupha igesi ye-formaldehyde yokonakalisa impilo yabantu, iglue yokwakha yenziwe nge-polyvinyl alcohol kunye ne-formaldehyde yokusabela kwe-acetal.Ngoko ke, lo mbandela upheliswa ngokuthe ngcembe ngabantu, kwaye ukutshintshwa kwesi sixhobo siselulose i-ether series products, oko kukuthi, ukuphuhliswa kwezinto zokwakha ukhuseleko lokusingqongileyo, i-cellulose yodwa uhlobo lwezinto eziphathekayo.
Kwi-putty enganyangekiyo emanzini yahlulwe yaba ziindidi ezimbini zeputty eyomileyo kunye ne-putty paste, ezi ntlobo zimbini ze-putty zifuna ukukhetha i-methyl cellulose elungisiweyo kunye ne-hydroxypropyl methyl iindidi ezimbini, iinkcukacha ze-viscosity ziphakathi kwe-3000-60000CPS eyona ifanelekileyo, eyona iphambili. Indima ye-cellulose kwi-putty kukugcinwa kwamanzi, ukudibanisa, 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 e-gray, i-calcium ekhanyayo, ngoko i-viscosity ecacileyo kunye nokungena kwe-cellulose kwiifomyula ezimbini azifani. , inani eliqhelekileyo lokongezwa limalunga ne-2 ‰-3‰.
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 we-filler, ngakumbi i-calcium ash, nayo ibaluleke kakhulu.Ngenxa ye-viscosity ephezulu ye-cellulose, iphinda ikhulise amandla ajikelezayo e-putty, kwaye inqande 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 okungahambi kakuhle, 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, yongeza. malunga ne-2 ‰–3‰, izinga lokugcinwa kwamanzi linganyuswa ukuya ngaphezu kwe-85%, ukusetyenziswa kodaka lwekhonkrithi kumgubo owomileyo oxutywe ngokulinganayo emva kokudibanisa amanzi kunokuba.
I-4, i-gypsum yepeyinti, i-gypsum enamathelayo, 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 zesamente zegypsum ziye zaphuhliswa ngokukhawuleza.Okwangoku ezona mveliso zixhaphakileyo zegypsum zine-stucco gypsum, igypsum edityanisiweyo, igypsum edibeneyo, i-tile binder.
I-Stucco plaster luhlobo olulungileyo lwangaphakathi eludongeni kunye nophahla lwezinto zokutyabeka, kunye nalo ukusula udonga luthambile kwaye luthambileyo, aluyimpuphu, ibhondi eqinile kunye nesiseko, akukho nto iqhekezayo, kwaye inomsebenzi wokukhusela umlilo;I-Adhesive gypsum luhlobo olutsha lwe-binder yeplate yokukhanya kwesakhiwo, i-gypsum njengesiseko sezinto, idibanisa iindidi zezongezelelo kunye ne-adhesive material, ifanelekile kuzo zonke iintlobo zezixhobo zokwakha udonga phakathi kwebhondi, kunye ne-non-toxic, incasa, amandla kwangethuba fast setting, bonding kunye nezinye iimpawu, yibhodi yokwakha, ibhloko ukwakhiwa izinto ezixhasayo;I-Gypsum sealant yi-filler ye-gap phakathi kweeplate ze-gypsum kunye nokulungiswa kodonga kunye nokuqhekeka.
Ezi mveliso ze-gypsum zinemisebenzi eyahlukeneyo, ngaphezu kwe-gypsum kunye nezizaliso ezinxulumene nazo zidlala indima, umcimbi obalulekileyo kukuba i-cellulose ether additives eyongezelelweyo idlala indima ephambili.Ngenxa yokuba i-GESSO YAHLULWE KWI-CENT YE-ANHYDROUS GESSO NE-HEMIHYDRATE GESSO, I-GESSO EZAHLUKENEYO IYAHLUKA KUKWENZIWA KWEMVELISO, UKUQINA, UKUGCINWA KWAMANZI, UKUSETHWA OKUcothayo KUQINISEKISA UMGANGATHO WOKUSEBENZA KWE-MASTERIABUIL.Ingxaki eqhelekileyo yezi zixhobo kukuqhekeka kwegubu elingenanto, amandla okuqala akakho kule ngxaki, ukusombulula le ngxaki, kukukhetha uhlobo lwe-cellulose kunye ne-retarder yendlela yokusetyenziswa kwekhompawundi, kule nkalo, ukhetho oluqhelekileyo lwe-methyl okanye i-hydroxypropyl methyl cellulose HPMC 30000– 60000CPS, yongeza phakathi kwe-1.5 ‰–2 ‰, i-cellulose ekugxilwe kuyo kukugcina amanzi okubuyisela ukuthambisa.
Nangona kunjalo, kule nkqubo, akunakwenzeka ukuthembela kwi-cellulose ether njenge-retarder, kwaye i-citric acid retarder kufuneka ifakwe kumxube ukuze amandla okuqala angachaphazeleki.
Izinga logcino lwamanzi lubhekisa kubungakanani belahleko yamanzi endalo ngaphandle kokufunxwa kwamanzi ngaphandle.Ukuba udonga lomile, isiseko sokufunxa kwamanzi kunye nokunyuka kwemvelo kwenza ukuba izinto eziphathekayo zilahlekelwe ngamanzi ngokukhawuleza, kwaye kuya kubakho igubu elingenanto kunye nesiganeko sokuqhekeka.
Le ndlela yokusetyenziswa kwe powder eyomileyo yokusetyenziswa okuxutywe, ukuba isisombululo sinokubhekisela kwindlela yokulungisa isisombululo.
5. Udaka lwe-thermal insulation
Udaka lokugquma i-Thermal yinto entsha yokugquma eludongeni kumantla eTshayina.Yinto eludongeni eyenziwe ngezinto zokufakelwa kwe-thermal, i-mortar kunye ne-binder.Kulo mbandela, i-cellulose idlala indima ebalulekileyo ekubopheni nasekunyuseni amandla.Ngokuqhelekileyo, i-methyl cellulose ene-viscosity ephezulu (malunga ne-10000cps) ikhethiwe, kwaye umthamo uphakathi kwe-2 ‰ kunye ne-3‰.Indlela yindlela yokuxuba umgubo owomileyo.
6, i-arhente yojongano
Ukukhetha i-arhente ye-Interface HPMC20000cps, ukhetho lwe-tile binder olungaphezulu kwe-60000CPS, kwi-arhente yojongano lugxininise kwi-arhente etyebisayo, inokuphucula amandla obunzima kunye namandla otolo kunye nezinye iziphumo.
Ixesha lokuposa: Aug-30-2022