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Ukucubungula i-cellulose kubandakanya iindlela ezahlukeneyo zokukhupha nokuyicoca kwimithombo yayo yendalo, ingakumbi izityalo. I-Cellulose, i-polysaccharide, yenza icandelo lesakhiwo seendonga zeseli kwizityalo kwaye yeyona polymer yendalo ininzi eMhlabeni. Ukucubungula kwayo kubalulekile kumashishini aqala...Funda ngokugqithisileyo»
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Kwisakhiwo se-dry powder mortar, i-cellulose ether sisongezelelo esibalulekileyo esinomlinganiselo ophantsi wokongeza, kodwa sinokuyiphucula kakhulu indlela esebenza ngayo i-mortar yokuxuba kunye nokwakha. Ngamafutshane, phantse zonke iipropati zokuxuba ezimanzi ze-mortar ezinokubonwa nge-n...Funda ngokugqithisileyo»
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Eli nqaku likhetha ikakhulu i-MMA, i-BA, i-AA njengee-monomers, kwaye lixoxa ngezinto ze-graft polymerization nazo, ezifana nolandelelwano lokudibanisa, ubungakanani bokongeza kunye nobushushu bokusabela kwe-initiator kunye ne-monomer nganye, kwaye lifumanisa iimeko ezilungileyo zenkqubo ye-graft polymerization. Irabha i...Funda ngokugqithisileyo»
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I-Hydroxypropyl cellulose, isithako samayeza, yahlulwe yaba yi-hydroxypropyl cellulose engaphantsi komhlaba (L-HPC) kunye ne-hydroxypropyl cellulose engaphantsi komhlaba (H-HPC) ngokwesiqulatho se-hydroxypropoxy yayo engaphantsi komhlaba. I-L-HPC ivuvukala ibe yisisombululo se-colloidal emanzini, ineempawu...Funda ngokugqithisileyo»
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1. Isiseko sethiyori Kuyabonakala kwifomyula yesakhiwo ukuba i-hydrogen (Na+) kwi-CMC kulula kakhulu ukuyihlukanisa kwisisombululo samanzi (ngokubanzi ikhona ngohlobo lwetyuwa yesodiyam), ngoko ke i-CMC ikhona ngohlobo lwe-anion kwisisombululo samanzi, oko kukuthi, ine-charge engalunganga kwaye i-amphoteric....Funda ngokugqithisileyo»
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I-Hydroxyethyl methyl cellulose HEMC ingasetyenziswa njenge-colloid protective agent, i-emulsifier kunye ne-dispersant ngenxa yomsebenzi wayo osebenzayo kumphezulu kwisisombululo samanzi. Umzekelo wokusetyenziswa kwayo ngolu hlobo lulandelayo: Isiphumo se-hydroxyethyl methyl cellulose kwiipropati zesamente. I-Hydroxyethyl methylce...Funda ngokugqithisileyo»
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Udaka oluchasene nokuqhekeka Udaka oluchasene nokuqhekeka (udaka oluchasene nokuqhekeka), olwenziwe nge-arhente yokulwa nokuqhekeka eyenziwe nge-polymer emulsion kunye nomxube, isamente kunye nesanti exutywe namanzi ngokwemilinganiselo ethile, inokwanelisa ukuguquguquka okuthile ngaphandle kokuqhekeka, kwaye isebenzisane negridi. Ilaphu lisebenza ngcono. Ukwakha...Funda ngokugqithisileyo»
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Inkqubo yokugquma emanzini njengentsimi ebalulekileyo yesicelo kushishino lwe-cellulose ether, kubekho ukunqongophala kwe-cellulose ether yasekhaya ebalaseleyo ukuhlangabezana neemfuno ezikhulayo zemarike, kunye nobhubhane kunye notshintsho kwimeko yamazwe ngamazwe, uthotho lobonelelo lwe-cellulose ether nalo luye lwaba lukhulu ...Funda ngokugqithisileyo»
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Indima yomgubo we-latex ophinda uqhekeke kwi-mortar Okwangoku, njengoko iimveliso ezahlukeneyo zomgubo owomileyo ezikhethekileyo zamkelwe kancinci kancinci kwaye zisetyenziswa ngokubanzi, abantu abakwishishini banikela ingqalelo kwi-latex powder ephinda iqhekeke njengenye yezongezo eziphambili ze-mortar ekhethekileyo yomgubo owomileyo, ngoko ke iimpawu ezahlukeneyo ...Funda ngokugqithisileyo»
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Indlela yokwenza i-hydroxyethyl cellulose ibe nkulu kukwandisa i-viscosity ngokwenziwa kweebhondi ze-hydrogen eziphakathi kweemolekyuli kunye nezangaphakathi kweemolekyuli, kunye nokufuthwa kwamanzi kunye nokuxinana kweetsheyini zeemolekyuli. Ke ngoko, indlela yokwenza i-hydroxyethyl cellulose ibe nkulu ingahlulwa...Funda ngokugqithisileyo»
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Uhlalutyo lwezizathu zokuqhekeka kokuplasta umaleko wegypsum 1. Uhlalutyo lwezizathu zokuplasta izinto ezikrwada zegypsum a) Iplasta yokwakha engafanelekanga I-gypsum yokwakha iqulethe umxholo ophezulu we-dihydrate gypsum, nto leyo ekhokelela ekukhawulezisweni kokuplasta igypsum. Ukuze kwenziwe iplasta igypsum ibe nepro...Funda ngokugqithisileyo»
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I-HPMC hydroxypropyl methylcellulose iye yaba yenye yezona zinto zinkulu ezincedayo kumayeza ekhaya nakwamanye amazwe, kuba i-HPMC ineenzuzo ezingenazo ezinye izinto ezincedayo. 1. Ukunyibilika kwamanzi Iyanyibilika emanzini abandayo angaphantsi kwama-40 ℃ okanye ama-70% e-ethanol, kwaye ayinyibiliki emanzini ashushu ngaphezulu...Funda ngokugqithisileyo»