Kubuthulo owomileyo, i-Sethel Ether idlala indima yokugcina amanzi, ukuqina kunye ne-Thriyotropy, ukungena komoya kunye nokubuyisa iipropathi. Umthamo wokugcina amanzi kakuhle wenza ukuba i-qumed hydration igqitywe ngakumbi, inokuphucula u-Emanzi wodaka lwamanzi, yandisa amandla abunjiweyo, kwaye kwi-ceramic tile farmar, inokunyusa ixesha lokuvula kunye nokulungelelanisa ixesha. Ukongeza i-selupelose ether kwi-spraise yomatshini kunokuphucula amandla ohlobo lohlobo. Ukuzilawula kunokuthintela ukuhlaliswa, ukwahlulahlula kunye nokubekwa kwezinto, njl njl. Ukwenzela ukunika umdlalo opheleleyo kwisicelo se-selsulose ether kumxube oxutywe, oko kubalulekile ukukhetha uhlobo lwe-seluplose i-ether kwaye umisele uluhlu lwayo lwesifo kwaye lichonge uluhlu lwesicelo se-ether.
I-1. Ukugcinwa kwamanzi kwe-seluplose ether
①I ①USCOSITY I-viscosity ye-SeleseEse i-Ether, engcono ukusebenza kwendlela yokugcina amanzi, kunye nohlobo lwesisombululo sePolymer. Kuxhomekeka kubunzima bemolekyuli (isidanga sokugcwalisa i-polymer) se-polymer ikwagqitywa kubude bemozulu yemolekyuli kunye nobume bekhonkco, kunye nokuhanjiswa kweendidi, kunye nenani leentlobo ezichaphazela ngqo uluhlu lwayo lokundwendwela.
Inqanaba elikhulu kwi-Itelulose Ether yongezwa kudaka, kungcono ukusebenza kokugcinwa kwamanzi, kwaye uphakame kakhulu, eyona nto ibhetele.
Ngokuphathelele ubungakanani be-suricle, ugqibelele isuntswana, kungcono ukugcinwa kwamanzi. Emva kwamasuntswana amakhulu e-SelerUlose Ether ingena ekunxibelelaneni namanzi, umphezulu wayonyibilikisa ngokukhawuleza kwaye wenza ijeli ukuze asonge umbandela ukuthintela iimolekyuli zamanzi ezinokuthintela iimolekyuli zamanzi. Ngamanye amaxesha ayinakusasazeka ngendlela efanayo kwaye inyibilikisiwe nasemva kwexesha elide, ukwenza isisombululo se-scan esinamafu okanye i-agemmeration. Ichaphazela kakhulu ukugcinwa kwamanzi kwe-seluplose i-ether, kwaye ukuluka kwenye yezinto zokukhetha i-gather ekrway.
I-2. Ukuthamba kunye neThiyotropy ye-seluplose ether
Umsebenzi wesibini we-Iler Ither-Stackeng ixhomekeke: Inqanaba le-Polymerization ye-Teluplose Ether, isisombululo, inqanaba le-Shear, iqondo lobushushu kunye nezinye iimeko. Ipropathi yegengi yesisombululo yahlukile kwi-alkyl sellulose kunye nokuguqulwa kwayo. Ipropathi yokurhafiswa ihambelana nenqanaba lokufaka endaweni, isisombululo kunye nokongezwa. I-HydroXlekyl Derivatives, iipropathi zejeli zikwahambelana nenqanaba lokuguqula kwe-hydroxayl. Kwi-MC kunye ne-HPMC nge-viscofity ephantsi, isisombululo se-10% -15% sinokulungiswa, i-5% ye-5% ye-5% inokulungiswa kwi-viscofity ye-MC kunye ne-HPMC, kunye ne-HPMC, kwaye i-2% yesisombululo se-1%. Ubunzima obuphezulu be-follelose i-ether inomgangatho ophezulu kakhulu. Kwisisombululo esifanayo sokuxinana, ii-polymers ezinamatye ahlukeneyo eemolekyuli zineendawo zokundwendwela ezahlukeneyo. Inqanaba eliphezulu. UVenkile ekujoliswe kuyo unokufezekiswa kuphela ngokongeza isixa esikhulu se-moleculase esineselula. I-viscosity yayo ayinamsebenzi mncinci kumgangatho we-Shear, kwaye i-viscofity ephezulu ifikelela kwithagethi yethagethi, kwaye isixa esongeneyo esifunekayo sincinci, kwaye i-vickosity ixhomekeke ekusebenzeni ngokuqinileyo. Ke ngoko, ukufezekisa ukungqinelana okuthile, isixa esithile se-ether sether (uxinzelelo lwesisombululo) kunye ne-vissosity yesisombululo kufuneka iqinisekiswe. Iqondo lobushushu le-gene lesisombululo likwancipha ngocoselelo ngokunyuka kwengxaki yesisombululo, kunye ne-gels kubushushu begumbi emva kokufikelela uxinzelelo oluthile. Ukugxininiswa kweqela le-HPMC liphezulu kubushushu begumbi.
Ukungaguquguquka kungalungiswa ngokukhetha ubungakanani be-paricle kwaye ukhetha iiselsese I-SO-ebizwa ngokuba yi-HYDROXKBYL yeqela elinenqanaba elithile lokufaka endaweni ye-Skeleton ye-MC. Ngokutshintsha amaxabiso okufana nabantu ababini, oko kukuthi, i-DS kunye ne-DS kunye neMimandla yeMigangatho ye-Manages Iimfuneko ezahlukeneyo zomsebenzi we-Teluplose Ethely inokufunyanwa ngokutshintsha amaxabiso okuqala atshintshiwe kwezinto ezimbini.
Ukongezwa kwe-ete yeselseese ichaphazela ukusetyenziswa kodaka kodaka kwaye kutshintsha umyinge wamanzi ukuya, osisiphumo sokuthambisa. Ukuphakama kwedosi, kokukhona kuqhelekileyo kwamanzi.
I-Seleculose ebhashe esetyenziswayo kwizinto zokwakha ezakhiweyo kufuneka inyibilikise ngokukhawuleza emanzini abandayo kwaye ibonelele ngokungqinelana kwenkqubo. Ukuba unikwe inqanaba elithile le-Shear, luba luba yi-putcupler kunye nebhloko ye-colloidal, eyimveliso ephantsi okanye imveliso esemgangathweni.
Kukho ubudlelwane obulungileyo obulungileyo phakathi kokungqinelana kwesamente i-starchi kunye nethamo ye-seluplose ether. I-Telulose Ether inokunyusa kakhulu i-viscosity yodaka. Idosi enkulu, eyona nto icacileyo.
Isisombululo se-vissosity se-ethe molous ye-etheeus atheeus i-ThixitRopy ephezulu, ekwangumlinganiswa omkhulu we-ether yeseluplose. Izisombululo ze-ACCECHE ze-MC-chendmers zihlala zine-pseudoplastic kunye ne-non-th-th-th-th-th-th-th-th-th-thyropic freyidity ingezantsi kweqondo lokushisa, kodwa iNewtonian Sperties ngamaxabiso asezantsi asezantsi. I-pseudoplasticimostity inyuka ngobunzima bemolekyuli okanye uxinzelelo lwe-ether sether, ngaphandle kohlobo lokuthatha indawo kunye nenqanaba lokufaka endaweni. Ke ngoko, i-selupelose esuka kwiBanga le-viscosity efanayo, i-MC, i-HPMC, i-HMC, iya kuhlala ibonisa iipropathi ezifanayo ze-rheocical logama nje ukuba uxinzelelo kunye nobushushu zigcinwe rhoqo. I-Gels zesakhiwo isenziwa xa iqondo liphakanyisiwe, kwaye ihamba kakhulu i-Thixitropic. Uxinzelelo oluphezulu kunye ne-viscofity ephantsi yeselula i-Show Thrixotdropy naphantsi kweqondo lobushushu. Le ndawo yepropathi ixhamla kuhlengahlengiso lwenqanaba kunye nokungena ekwakhiweni kokwakha umdaka. Kufuneka ichongwe apha ukuba i-viscosity yeselsese i-ether, ilunge ngakumbi ekugcinweni kwamanzi, kodwa iphakamile i-vissosity ye-felulose ye-ether, kunye nefuthe elilinganayo kuxinzelelo lwe-Colmar. Ukuphakama kwe-viscofity, eyona nto icacileyo yokutyibilika kodaka, kodwa ayingqinelani ngokupheleleyo. Uhlobo oluthile oluPhakathi, oluPhakathi oluPhakamileyo, kodwa i-imeyile eguqulweyo i-Ether isebenza kakuhle ekuphuculeni amandla olwakhiwo lodaka lwamanzi. Ngokunyuka kwe-viscofity, ukugcinwa kwamanzi kwi-ether
Ixesha lokuphumla: Mar-14-2023