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01 Hydroxypropyl Methyl cellulose 1. Sima sima: Fa'aleleia le fa'asalalauina o le sima-oneone, fa'aleleia atili ai le palasitika ma le taofia o le vai o le sima, e iai sona aafiaga i le puipuia o māvaevae, ma fa'aleleia atili ai le malosi o le sima. 2. Sima ta'i: fa'aleleia atili ai le palasitika ma le taofia o le vai o le sima ua oomiina...Faitau atili»
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1. O le ā le fa'aaogāga autū o le hydroxypropyl methylcellulose (HPMC)? E fa'aaogā lautele le HPMC i mea faufale, vali, resini fa'apitoa, seramika, vaila'au, mea'ai, ie, fa'ato'aga, mea teuteu, tapa'a ma isi alamanuia. E mafai ona vaevaeina le HPMC i le vasega faufale, vasega mea'ai ma...Faitau atili»
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O le Hypromellose, e ta'ua o le hydroxypropylmethylcellulose (HPMC), e foliga mai o le cellulose ether e sili ona fa'aaogaina e maua i le gaosiga o hydrophilic matrices. E maua ai e le Hypromellose le fa'alauiloaina o se vaila'au i se auala pulea, ma fa'ateleina ai le umi o le fa'alauiloaina o ...Faitau atili»
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O uiga autū o le hydroxyethyl methyl cellulose (HEMC) o: 1. Solubility: soluble i le vai ma nisi organic solvents, e mafai ona fa'ata'ape'apeina le HEMC i le vai malulu, o lona maualuga maualuga e na'o le viscosity e fuafuaina, o le solubility e eseese ma le viscosity, o le maualalo o le viscosity, o le tele foi lea o le t...Faitau atili»
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O le Cellulose Thickener, e masani ona ta'ua o le cellulose gum, hydroxypropyl methyl cellulose, e fa'aaogaina o se emulsifier, thickener, suspending professional, ma isi mea fa'apena, e maua i mea teuteu. E fa'aopoopoina fo'i i shampoos, toothpastes ma fasimoli vai, e fa'atupu ai lo latou mafiafia lelei...Faitau atili»
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Igoa vaila'au, Hydroxypropyl Methyl Cellulose (HPMC), Hydroxyethyl Methyl Cellulose (HEMC), Sodium Carboxymethyl cellulose (CMC), Hydroxyethyl cellulose (HEC), Hydrophobically modified HEC (HMHEC), Methyl cellulose (MC), Methyl hydroxyethyl cellulose (MHEC), Ethyl hydroxyethyl cellulose (EHEC), Hydrop...Faitau atili»
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O mea mata autu e manaʻomia mo le gaosiga o le cellulose ether e aofia ai le vavae ua faʻamamaina (poʻo le pulupulu laupapa) ma nisi o vailaʻau faʻamaʻi masani, e pei o le propylene oxide, methyl chloride, vai caustic soda, caustic soda, ethylene oxide, toluene ma isi mea fesoasoani. O le alamanuia i luga e...Faitau atili»
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O le sodium carboxymethyl cellulose e mafai ona sosolo i le vai, methyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose ma le ethyl cellulose e mafai ona sosolo i le suāuu e fa'aaogaina uma e fai ma mea fa'apipi'i, mea e fa'amamā ai, mea e fa'aauau ma fa'atonutonuina ai le fa'asa'olotoina mo sauniuniga tu'ugutu, vali ata tifaga...Faitau atili»
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O le faʻataʻitaʻiga o le cellulose ether o se polymer compound e faia i le cellulose ma se fausaga ether. O mama glucose taʻitasi i le cellulose macromolecule e aofia ai vaega hydroxyl e tolu, o le vaega hydroxyl muamua i luga o le ono o le carbon atom, ma le vaega hydroxyl lona lua i luga o le lona lua ma le lona tolu o le carbon atoms. O le...Faitau atili»
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E faia le cellulose ether mai le cellulose e ala i le tali atu o le etherification o le tasi pe sili atu foi o etherification agents ma le oloina mago. E tusa ai ma fausaga eseese o vailaʻau o ether substituents, e mafai ona vaevaeina cellulose ethers i ni anionic, cationic ma nonionic ethers. Ionic cellulose ma isi...Faitau atili»
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Tulaga o le Maketi CMC: Ua leva ona faʻaaogaina le sodium carboxymethyl cellulose o se mea eletise leaga i le gaosiga o maa mo se taimi umi, ae pe a faʻatusatusa i le alamanuia o meaʻai ma vailaʻau, alamanuia o faufale, alamanuia o petrochemical, gaosiga o mea toothpaste, ma isi mea, o le pasene o le CMC u...Faitau atili»
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O le Hydroxyethyl cellulose (HEC) o se ether cellulose e le o le ionic e faia mai le cellulose o le mea polymer masani e ala i se faasologa o le etherification. O se pauta paʻepaʻe poʻo se granule e leai se manogi, leai se tofo, e le oona, e mafai ona faʻafefiloi i le vai malulu e fausia ai se fofo manino ma mafiafia, ma o le a faʻafefiloi...Faitau atili»