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Madaafiicda sibidhka iyo dareeraha gypsum-ku-salaysan, hydroxypropyl methylcellulose waxay inta badan ka ciyaartaa doorka xajinta biyaha iyo dhumucdooda, waxayna si wax ku ool ah u wanaajin kartaa adhesion iyo caabbinta slurry. Waxyaabaha ay ka midka yihiin heerkulka hawada, heerkulka iyo xawaaraha cadaadiska dabaysha ayaa saameyn ku yeelan doona kacsanaantaSii akhri»
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1. Dhibaatooyinka caadiga ah ee budada suufka ah oo si degdeg ah u qallajisa: Tani waxay inta badan sabab u tahay qadarka kalsiyumka budada lime ee lagu daray (aad u weyn, qadarka budada kalsiyumka lime ee loo isticmaalo caanaha caanaha si habboon ayaa loo dhimi karaa) waxay la xiriirtaa heerka xajinta biyaha ee fiber-ka, waxayna sidoo kale la xiriirtaa Dr ...Sii akhri»
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si degdeg ah u qallalan Tani waxay inta badan sabab u tahay kordhinta xad-dhaafka ah ee budada kalsiyumka ash (qadarka kalsiyumka dambaska ah ee loo isticmaalo caanaha caanaha ayaa si habboon loo dhimi karaa) waxay la xiriirtaa heerka haynta biyaha ee hydroxypropyl methylcellulose, waxayna sidoo kale la xiriirtaa qallaylka derbiga. Diiritaanka...Sii akhri»
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Hydroxypropyl methylcellulose waa eter cellulose aan-ionic ahayn oo laga soo saaray suuf la safeeyey iyada oo loo marayo falcelin kiimiko oo taxane ah. Waa ur aan ur lahayn, walxo cad oo budo ah oo aan sun ahayn oo ku milma biyaha oo soo bandhigta xal kolloidal cad ama daruur yar leh. Waxay leedahay sifooyinka t...Sii akhri»
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Magaca Shiinaha ee HPMC waa hydroxypropyl methylcellulose. Waa non-ionic waxaana badanaa loo isticmaalaa sidii wakiilka biyaha haynta ee hoobiye-engegan oo isku qasan. Waa maadada ugu badan ee lagu kaydiyo biyaha ee hoobiye. Alaabta ether-ku-saleysan ee polysaccharides oo ay soo saartay alkalization and etherification. Ma laha...Sii akhri»
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1. Dhibaatooyinka caadiga ah ee budada putty si dhakhso ah u engegan Tani waxay inta badan la xiriirta qadarka dambaska kalsiyumka budada ah ee lagu daray (aad u weyn, qadarka ash calcium budada ah ee loo isticmaalo caanaha caanaha ayaa si habboon loo dhimi karaa) iyo heerka haynta biyaha ee hydroxypropyl methylcellulose (HPMC), iyo sidoo kale waa dib ...Sii akhri»
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Budada cinjirka ee dib loo cusboonaysiin karo waa budo adag oo cad oo lagu buufiyo-qallajinta cinjirka gaarka ah. Inta badan waxaa loo isticmaalaa sida wax lagu daro muhiim u ah "hoobiye-qalalan-qallalan" iyo hoobiyeyaal kale oo qallalan oo qalalan oo loogu talagalay qalabka dhismaha injineernimada gidaarka dibadda. U fiirso saddexdan soo socda...Sii akhri»
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Hydroxypropyl methylcellulose waxaa inta badan loo isticmaalaa sida kala firdhiso soo saarista polyvinyl chloride, waana wakiilka ugu muhiimsan ee diyaarinta PVC by polymerization hakinta. Habka dhismaha ee warshadaha dhismaha, waxaa inta badan loo isticmaalaa dhismaha makaanikada ah sida darbiga ...Sii akhri»
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Waxyaalaha lagu daro sida hoobiye diyaarsan, ethers cellulose, regulators xinjirowga, budada cinjirka dib loo cusboonaysiin karo, wakiilada hawada-entraining, wakiilada xoogga hore, yareeyayaasha biyaha, iwm, kuwaas oo lagu daray si waafaqsan baahida mashruuca, si weyn u hagaajinaysaa waxqabadka diyaar-isku-dar ah ...Sii akhri»
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Codsiga hydroxypropyl methylcellulose (HPMC) ee hoobiyeyaasha dhoobada ah ee dhismaha: Haysashada sare ee biyaha waxay ka dhigi kartaa sibidhka si buuxda u fuuqbaxay, si weyn u kordhiya xoogga dammaanadda, isla mar ahaantaana, waxay si habboon u kordhin kartaa xoogga xajinta iyo xoogga dhogorta, si weyn u saameeya ...Sii akhri»
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(1) Go'aaminta viscosity: Alaabta la qalajiyey waxaa loo diyaariyey xal aqueous ah oo miisaankeedu yahay 2 ° C, waxaana lagu qiyaasaa NDJ-1 viscometer wareeg ah; (2) Muuqaalka alaabtu waa budo, badeecadda degdega ahna waxaa lagu dhejiyaa "s". Sida loo isticmaalo hydroxyp...Sii akhri»
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Tusaha viscosity ee hydroxypropyl methylcellulose waa tusaha aad muhiim u ah. Viscosity ma matalo daahirnimada. Viscosity ee cellulose HPMC waxay ku xiran tahay habka wax soo saarka. Deegaannada kala duwan ee loo isticmaalo waa in ay doortaan cellulose HPMC oo leh muuqaalo kala duwan, ma aha mid ka sarreeya viscos ...Sii akhri»