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I-Hydroxypropyl methylcellulose, eyaziwa nangokuthi i-HPMC, iyi-nonionic cellulose ether etholakala kukotini ocolisisiwe, into yemvelo ye-polymer, ngochungechunge lwezinqubo zamakhemikhali. Iyimpuphu emhlophe noma ephuzi kancane encibilika kalula emanzini. Ake sixoxe ngendlela yokuncibilikisa...Funda kabanzi»
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1. I-HPMC ihlukaniswe ngohlobo olusheshayo kanye nohlobo lokuhlakazeka okusheshayo. Uhlobo lokuhlakazeka okusheshayo lwe-HPMC lunohlamvu u-S njengesijobelelo. I-Glyoxal kufanele ifakwe ngesikhathi senqubo yokukhiqiza. Uhlobo lokuhlakazeka okusheshayo lwe-HPMC alufaki noma yiziphi izinhlamvu, njengokuthi “100000″ kusho ukuthi “100000 viscosity fast-dispers...Funda kabanzi»
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Isigaba: izinto zokumboza; Izinto ze-membrane; Izinto ze-polymer ezilawulwa ngesivinini zokulungiselela ukukhulula kancane; I-ejenti yokuzinzisa; Usizo lokumiswa, ingcina yethebhulethi; I-ejenti yokunamathela eqinisiwe. 1. Isingeniso somkhiqizo Lo Mkhiqizo UYI-ETHERI YE-CELLULOSE ENGEN-IONIC, ebonakala ngaphandle njengempuphu emhlophe...Funda kabanzi»
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1, iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methyl cellulose (HPMC)? I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezinhlayiyeni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni. I-HPMC ingahlukaniswa ibe: izinga lokwakha, izinga lokudla kanye nezinga lezokwelapha...Funda kabanzi»
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Njengezinto zokwakha ezivamile, i-hydroxypropyl methylcellulose ibaluleke kakhulu embonini yokwakha. Iyini indima eyinhloko ye-hydroxypropyl methylcellulose? 1. Udaka lwe-masonry Luthuthukisa ukunamathela ebusweni be-masonry futhi luthuthukisa ukugcinwa kwamanzi, ngaleyo ndlela luthuthukise amandla e-th...Funda kabanzi»
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1. Iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose? I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezinhlayiyeni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni. I-HPMC ingahlukaniswa ibe yizinga lezimboni, izinga lokudla kanye nezinga lemithi...Funda kabanzi»
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I-Hydroxypropylmethylcellulose (HPMC) iyi-cellulose derivative evame ukusetshenziswa ekwakhiweni kwemikhiqizo eyahlukahlukene, okuhlanganisa noketshezi lokugeza izitsha. Isebenza njengesithako esiguquguqukayo, inikeza ukujiya kanye nokuqina kwezakhi zoketshezi. Ukubuka konke kwe-HPMC: I-HPMC iwukuguqulwa kokwenziwa kwe-ce...Funda kabanzi»
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I-Gypsum joint compound, eyaziwa nangokuthi udaka lwe-drywall noma i-joint compound nje, iyinto yokwakha esetshenziswa ekwakheni nasekulungiseni i-drywall. Yakhiwa ngokuyinhloko nge-gypsum powder, i-soft sulfate mineral exutshwe namanzi ukuze yenze i-paste. Le paste ibe isisetshenziswa emithungweni...Funda kabanzi»
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Kuyini i-Starch Ether? I-Starch ether iwuhlobo oluguquliwe lwesitashi, i-carbohydrate etholakala ezitshalweni. Ukuguqulwa kuhilela izinqubo zamakhemikhali ezishintsha isakhiwo sesitashi, okuholela kumkhiqizo onezakhiwo ezithuthukisiwe noma eziguquliwe. Ama-Starch ether asetshenziswa kabanzi ezimbonini ezahlukene...Funda kabanzi»
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I-Defoamer anti-foaming agent ku-dry mix mortar Ama-Defoamer, aziwa nangokuthi ama-anti-foaming agents noma ama-deaerators, adlala indima ebalulekile ekwakhiweni kwe-dry mix mortar ngokulawula noma ukuvimbela ukwakheka kwe-foam. I-Foam ingakhiqizwa ngesikhathi sokuxuba nokusebenzisa ama-dry mix mortars, futhi...Funda kabanzi»
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Izinzuzo zokufaka phansi okuzilinganisela nge-gypsum Izifake phansi ezizilinganisela nge-gypsum zinikeza izinzuzo eziningana, okwenza kube ukukhetha okuthandwayo kokufaka phansi okuzilinganisela nokuqedela phansi kokubili ezindaweni zokuhlala nezentengiselwano. Nazi ezinye zezinzuzo ezibalulekile zokufaka phansi okuzilinganisela nge-gypsum...Funda kabanzi»
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Ziyini Izakhiwo Zama-Cellulose Ethers? Ama-cellulose ethers ayiqembu lama-polymer ancibilika emanzini atholakala ku-cellulose, i-polymer yemvelo etholakala ezindongeni zamaseli ezitshalo. Lawa ma-cellulose ethers aguqulwa ngezinqubo zamakhemikhali ukuze anikeze izakhiwo ezithile eziwenza abe usizo ku-va...Funda kabanzi»