Kwangaxeshanye, inokuphucula ngokufanelekileyo amandla oxinzelelo kunye namandla okuchebaI-HPMC hydroxypropyl methyl cellulose, ukuphucula ngakumbi isiphumo sokwenyani sokwakhiwa kobunjineli, ukuphucula ukusebenza kakuhle. I-HPMC hydroxypropyl methyl cellulose inokuphucula amandla okuncamathelisa e-putty powder, inciphise imeko yokuxhoma, ukuqinisekisa impumelelo yokwakhiwa kobunjineli. I-Hydroxypropyl methyl cellulose inokunyusa ixesha lokusebenza kwaye ijongane nengxaki yamandla okuxinzelela angenanto kwaye anganeleyo kwinkqubo yokwakha yobunjineli.
Ukusebenza okuphezulu kokuvalela amanzi kwe-mortar yokwakha yobunjineli kunye ne-putty mortar kunokwenza ikhonkrithi ixutywe ngokwaneleyo, kwaye ngokucacileyo kunokuphucula amandla okuxinana kwe-mortar. Kwangaxeshanye, amandla okuxinana kunye namandla okucheba kwe-hydroxypropyl methyl cellulose anokuphuculwa ngokufanelekileyo ukuphucula ngakumbi isiphumo sokwenyani sokwakha yobunjineli kunye nokuphucula ukusebenza kakuhle.
Ukumelana nokufuma nyana,I-HPMCi-hydroxypropyl methyl cellulose, isiphumo se-hydroxypropyl methyl cellulose kwi-putty powder, ukuthintela ukoma nokomisa okubangelwa kukuphuma kwamanzi ngokukhawuleza kakhulu. I-Hydroxypropyl methyl cellulose inokuphucula amandla okunamathela kwi-putty powder, inciphise imeko yokuxhoma, iqinisekise impumelelo yokwakhiwa kobunjineli.
Isitshixo se-HPMC hydroxypropyl methyl cellulose esinamanzi atshixayo, ukujiya, ukumanzisa kunye nezinye iziphumo, ukujiya, ukumanzisa kunye nezinye iziphumo zinesiphumo esithile sokuqala sokuseta. I-Hydroxypropyl methyl cellulose inokunyusa ixesha lokusebenza kwaye ijongane nengxaki yamandla okuqala angenanto kwaye angonelanga kwinkqubo yokwakha yobunjineli.
I-HPMC hydroxypropyl methyl cellulose kwi-wall insulation mortar idlala indima ebalulekileyo kwi-bonding effect, kwaye yonyusa amandla okucinezela ezinto ezikrwada. I-mortar kulula kakhulu ukuyigubungela, iphucula ukusebenza kakuhle, kunye nomsebenzi osisiseko wokumisa okuchasene nokuhamba kwamanzi kunye nesiphumo esisebenzayo. Ukusebenza kwe-hydroxypropyl methyl cellulose yokuvalela amanzi kunokunyusa ixesha lokusebenza kwe-mortar, kuphucule ukumelana nokuhlanganiswa kunye nokubambelela, kuphucule umgangatho womphezulu, kwaye kuphucule amandla okucinezela e-bonding.
Isixhobo sokubopha iithayile esinyibilika kakhulu emanzini sisusa imfuneko yeethayile zomgangatho ezifakwe emanzini okanye ezimanzi, nto leyo ephucula ngakumbi amandla okuxinana. Ixesha lokwakha ubunjineli boludaka lide, licokisekile, lilingana, lilungele ukwakhiwa kobunjineli, kwaye linokumelana nokufuma okuhle.
Kwicandelo lezinto zemvelo ezisetyenziswa ekwakheni i-latex, i-hydroxypropyl methyl cellulose ingasetyenziswa njenge-arhente yokwenza ifilimu, i-tackifier, i-demulsifier kunye ne-thickener, ukuze ifilimu yeplastiki ibe nokumelana nokuguguleka okungcono, ukunyibilika kunye nokunamathela. I-pH esetyenziselwa ukuphucula uxinzelelo lwe-interfacial ichaziwe kakuhle, kwaye umxube onesisombululo se-organic ulungile kwaye uthambile kakuhle.
Uphuhliso lwezoqoqosho Iingubo zokwakha zinamandla amahle, zingena kakuhle emanzini kwaye ziyakwazi ukumelana nokuguga. Inkqubo yoyilo lwefomula yokugquma ilitye lokwenyani ibaluleke kakhulu. Itoni ye-lacquer esemgangathweni ophezulu yenziwe nge-emulsion ecocekileyo ye-styrene-acrylic emalunga ne-300KG, isisombululo samanzi sendalo se-650KG kunye nezinye izinto. Ii-lacquer zokwenyani ezisemgangathweni ophezulu zibonakaliswa zii-lotions ezininzi zokufumisa. Xa ulwelo lwe-emulsion luyi-50%, umthamo we-emulsion yokufumisa ye-300KG emva kokomiswa umalunga neelitha ezili-150, kwaye umthamo wesanti enzima ye-650KG umalunga neelitha ezingama-228. Oko kukuthi, kule meko, ipeyinti yelitye lokwenyani (ixabiso loxinzelelo lwepeyinti yombala) yi-60%. Ngenxa yobukhulu obukhulu beentwana kunye nokubonakala okungacwangciswanga kwesanti entle, phantsi kwesiseko sohlalutyo oluthile lobungakanani beentwana, udonga olungaphandle olomileyo lunokwenzeka ukuba lujikeleze ixabiso loxinzelelo lwe-CPVC).
Kwi-viscosifier, ukuba kukhethwe i-cellulose viscosity efanelekileyo, udonga lwangaphandle lunokuvelisa umaleko wepeyinti oneenkcukacha ngakumbi, ogxile ngakumbi, ukuze kufezekiswe amalungiselelo amathathu odonga lwangaphandle. Imithetho emithathu yokwakhiwa kweengubo. Enyanisweni, ukusetyenziswa kwe-qi eninzi yelitye enoqoqosho nesebenzayo, itoni yesisombululo esiyimfihlo se-100-160kg, isanti yepleyiti enemibala eyi-750kg, i-20kg (kuquka izongezo zokwaleka, izibulali-zinambuzane, iifungicides, izincamathelisi, njl.njl.), ezinye iimveliso zamanzi kunye nokhathalelo lolusu. Olu hlobo lwepeyinti yelitye yokwenyani ngokwenene i-PVC ngokubanzi iphakathi kwe-75%? Phakathi kwe-85%, kwinkqubo yokusebenza yomile, upende welitye lokwenyani lokwenyani kunzima ukuseka umaleko wepeyinti oneenkcukacha noqinileyo. Ke ngoko, indlela yokusebenzisa ngokupheleleyo isiphumo seresiphi esiyimfihlo se-emulsion enomda, ukuze udonga lube macala onke.
Iingubo zokwakha ilitye lokwenyani zineempawu ze-viscosity ephantsi (ubunzima obuphezulu be-molecular). Ngenxa yokunyuka kwexabiso lezinto ezisetyenzisiweyo ze-cellulose, i-viscosity ye-cellulose esetyenzisiweyo itshintshwa ukusuka kwi-30000 ukuya kwi-50000,80000,100000, nokuba inyuswe ngama-200000, injongo kukunciphisa inani lilonke le-cellulose ukusuka kwi-methyl cellulose (HEC) ukuya kwi-hydroxyl acrylic cellulose (HPMC); Ukusetyenziswa kwe-methyl methyl cellulose HPMC kuya kunciphisa kakhulu ukuchasana kwamanzi kwepeyinti yokwakha ilitye lokwenyani, kwaye emva koko kuphuculwe i-viscosity ye-cellulose (ubunzima be-molecular) iya kuba sisigqibo sokusebenza kwepeyinti yokwakha ilitye lokwenyani? Impendulo kukuba ukusebenza komaleko wepeyinti yelitye kuya kuba kubi ngakumbi nangakumbi!
I-HPMC inokwahlulwahlulwa ibe ziintlobo ezinyibilikayo ngokukhawuleza kunye nezinyibilikayo ngobushushu. Xa amanzi abandayo esasazeka ngokukhawuleza aze aphele emanzini, i-HPMC inokwahlulwa ibe ziintlobo ezinyibilikayo ngokukhawuleza kunye nezinyibilikayo ngobushushu. Ngeli xesha, ulwelo alunazo i-viscosity, kuba i-HPMC isasazeka kuphela emanzini, kwaye akukho ngqiqo yokwenyani yokunyibilika. Emva kwemizuzu emi-2, i-viscosity yolwelo iyanda kancinci, ivelise isisombululo se-colloid esicacileyo nesithambileyo. Xa izinto ezishushu ze-organic solvent ziqokelelana emanzini abandayo, zinokusasazeka ngokukhawuleza emanzini ashushu kwaye zichitheke emanzini ashushu. Xa ubushushu obuphakathi buncitshiswa ukuya kwinqanaba elithile lobushushu, i-viscosity iya kwenzeka kancinci de kuveliswe isisombululo se-colloidal esicacileyo nesithambileyo. Uhlobo lwe-solvent ye-organic eshushu lusetyenziswa kuphela kwi-wall putty powder kunye ne-mortar. Kwi-liquid superglue kunye ne-coating, kukho inani elingenakusetyenzwa. Uhlobo lwe-quick-solubility lunodidi oluqhelekileyo lokusetyenziswa. Ingasetyenziswa njenge-wall putty powder kunye ne-mortar, kunye ne-liquid superglue kunye ne-coating yayo. Akukho miqathango.
Ukunyibilika kwamanzi ashushu: kuba i-HPMC emanzini ashushu ayinyibiliki, ngoko ke i-HPMC kwikhonkco lokuqala ingasasazeka ngokulinganayo emanzini ashushu, ize inyibilike ngokukhawuleza xa iphola. Ezi ndlela zimbini zakudala zichazwa ngolu hlobo lulandelayo:
1) Faka amanzi ashushu owadingayo kwisitya uze uwafudumeze ukuya kuthi ga kwi-70℃. Xuba kancinci kancinci, yongeza i-hydroxypropyl methyl cellulose kancinci kancinci, kancinci kancinci i-HPMC idada emlanjeni, uze uvelise kancinci kancinci i-sludge efrijini kwi-mixing.
2) Yongeza i-1/3 okanye i-2/3 yamanzi kwisitya, ufudumale ukuya kuma-70℃, ufudumale ukuya kuma-70℃ ukuze usasaze i-HPMC, kwaye ulungiselele inkunkuma yamanzi ashushu; Amanzi abandayo aseleyo emva koko ongezwa kwinkunkuma eshushu aze axutywe nomxube emva kokupholisa.
Indlela yokuxuba umgubo: Umgubo we-HPMC kunye ne-blender kunye nezinye izithako ezininzi zekhemikhali zomgubo umxube owaneleyo, uze wongeze amanzi ukuze unyibilike. Ngeli xesha, i-HPMC inokunyibilika kwimeko yokuba akukho mxube, kuba ikona nganye encinci incinci kuphela umgubo we-HPMC, xa amanzi eya kunyibilika ngoko nangoko - olu hlobo lwendlela kukusetyenziswa nje kwabavelisi bomgubo we-putty wodonga lwangaphakathi kunye nomgubo. [HPMC] njengearhente yokuqinisa kunye nearhente yokufumisa kwi-putty mortar yodonga lwangaphakathi.
Le yi-hydroxypropyl methyl cellulose (HMPC) artificial tear eqhelekileyo, ekufutshane ne-viscoelastic substance (ikakhulu i-mucin) xa ikhala. Inamathela kumphezulu weliso ngokufunxwa kwepolymer, kwaye ilinganisa indima ye-conjunctival mucin, ukuze kuphuculwe imeko enciphileyo ye-mucin esweni kwaye kwandiswe isiphumo sokumanzisa kwe-cornea.
Kwi-putty powder, ukuqina, ukugcinwa kwamanzi kunye nokwakhiwa kwemisebenzi emithathu. Ukuqina, i-cellulose inokujiya ide imiswe, ukuze isisombululo sihlale silingana phezulu nasezantsi njengendima yokulwa nokuxhoma. Ukugcinwa kwamanzi: yenza i-putty powder yome kancinci, i-calcium engwevu encedisayo kwisenzo se-reaction yamanzi. Ukwakhiwa: i-cellulose lubrication, inokwenza i-putty powder ibe nolwakhiwo oluhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na i-chemical reactions, kodwa idlala indima exhasayo kuphela.
Ipeyinti yokwakheka iguquguquka ngakumbi ekukhetheni umbala, kwaye inokufezekisa isiphumo soyilo lobugcisa esifanelekileyo, kwaye ipeyinti yelitye yokwenyani ekufuneni ipeyinti yendalo efana nobomi, ingcono kunepeyinti yokwakheka, nganye inamandla ayo. Ipeyinti yokwakheka kunye nelacquer kwinkqubo yokuvelisa, ukuze sigcine umbala wokuqala ngokusisigxina, ngokubanzi kwinkqubo yokugqibela, kufuneka sisebenzise ivarnish (ioyile ekhanyayo) ukutshiza ukukhusela isiphumo sayo sobugcisa okanye isiphumo samatye.
Ipeyinti yokwakheka kwelacquer, uhlobo lwepeyinti, esetyenziselwa ukuhombisa udonga. Iwebhusayithi esemthethweni yedaka le-diatom yendalo ishwankathela umahluko phakathi kwepeyinti yokwakheka kwelacquer kunye nelacquer, ipeyinti yokwakheka kwelacquer kunye nelacquer yindlela yokwahlulahlula, le ilandelayo ilandelayo ukuze ubone umahluko phakathi kwepeyinti yokwakheka kwelacquer kunye nelacquer.
Amaxabiso aphezulu e-latex esemgangathweni, abavelisi ukuze bonge iindleko, yongeza nje inani elincinci le-emulsion, emva kokwenza ifilimu yokupenda ilitye ngokwenene ikhululeke, uxinano lunganele, ifilimu yokupenda ibanzi kakhulu, amandla oxinzelelo ayancipha, xa idibana nemozulu yemvula ixesha elide, imvula iya kungena kwifilimu yokupenda, ipeyinti yelitye ngokwenene imhlophe.
Abanye abavelisi ekuvelisweni kwelacquer, badla ngokongeza i-carboxymethyl cellulose eninzi, i-hydroxyethyl cellulose njenge-thickener, ezi zinto azinyibiliki emanzini okanye zi-hydrophilic, ifilimu yokugquma ishiywe kumaleko, inciphisa kakhulu ukumelana kwamanzi kwengubo.
Ixesha lokuthumela: Juni-09-2022