1. Igoa o oloa:
01. Igoa vaila'au: hydroxypropyl methylcellulose
02. Igoa atoa ile Igilisi: Hydroxypropyl Methyl Cellulose
03. Fa'apu'upu'u Igilisi: HPMC
2. Mea fa'aletino ma kemisi:
01. Fa'aaliga: pa'epa'e po'o le pa'epa'e pa'epa'e.
02. Lapopo'a;o le pasi o le 100 mesh e sili atu nai lo le 98.5%;o le pasi fua faatatau o 80 mata e sili atu nai lo 100%.
03. Carbonization vevela: 280 ~ 300 ℃
04. Fa'aaliga manino: 0.25～0.70/cm3 (e masani ile 0.5g/cm3), mamafa fa'apitoa 1.26-1.31.
05. Fa'aliga vevela: 190~200 ℃
06. Fe'ave'esea: 2% vaifofo vai e 42~56dyn/cm.
07. Solu i le vai ma nisi solvents, e pei ole ethanol/vai, propanol/vai, trichloroethane, ma isi i vaega talafeagai.
O vaifofo vai o lo'o galue i luga.Malamalama maualuga, faʻatinoga mautu, vevela gel o oloa ma faʻamatalaga eseese
Eseese, o le solubility e suia ma le viscosity, o le maualalo o le viscosity, o le tele o le solubility, o le faatinoga o faʻamatalaga eseese o le hydroxypropyl methylcellulose (HPMC) ei ai ni eseesega patino, o le faʻamavaeina o le hydroxypropyl methylcellulose (HPMC) i le vai e le afaina PH aoga aoga .
08. Fa'atasi ai ma le fa'aitiitia o mea e maua i le methoxyl, ua fa'atuputeleina le fa'ailoga o le gel, fa'aitiitia le solubility vai, ma fa'aitiitia fo'i le gaioiga o le hydroxypropyl methylcellulose (HPMC).
09. Hydroxypropyl methylcellulose (HPMC) e iai foʻi le malosi faʻamalosi, faʻafefe masima, paʻu efuefu maualalo, faʻamautu PH, faʻamauina o le vai, faʻamautu tulaga, mea e sili ona lelei e fai ata tifaga, ma le lautele o le enzyme teteʻe, uiga faʻasalalau e pei o feusuaiga ma faʻapipiʻi.
Tolu, hydroxypropyl methylcellulose (HPMC) uiga:
O le oloa e tuʻufaʻatasia le tele o mea faʻaletino ma vailaʻau e avea ma oloa tulaga ese ma le tele o faʻaoga, ma o mea eseese e faʻapea:
(1) Faʻamauina o le vai: E mafai ona taofiofia le vai i luga o mea porous e pei o laupapa sima puipui ma piliki.
(2) Faʻatulagaina ata: E mafai ona fausia se ata tifaga manino, faigata ma vaivai ma sili ona lelei le suauʻu.
(3) Solubility Organic: E soluble le oloa i nisi solvents organic, e pei ole ethanol/water, propanol/water, dichloroethane, ma se solvent system e aofia ai solvents organic e lua.
(4) Gelation Thermal: Pe a vevela le vaifofo vai o le oloa, o le a fausia ai se gel, ma o le a toe faia le gel o se vaifofo pe a uma cooling.
(5) Fa'asagaga i luga: Tuuina atu le gaioiga i luga o le vaifofo e ausia ai le emulsification mana'omia ma le puipuiga colloid, fa'apea fo'i ma le fa'amautuina o vaega.
(6) Faʻamalolo: E mafai ona puipuia le faʻafefe o mea faʻapitoa, ma faʻafefe ai le faʻavaeina o le palapala.
(7) Colloid puipuia: e mafai ona puipuia ai matāua ma vaega mai le coalescing poʻo le coagulating.
(8) Faʻapipiʻi: Faʻaaogaina e fai ma mea faʻapipiʻi mo pigments, oloa tapaa, ma oloa pepa, e sili ona lelei le faatinoga.
(9) Suavai solubility: O le oloa e mafai ona faʻamavaeina i le vai i ni aofaʻi eseese, ma o lona maualuga maualuga e faʻatapulaʻaina e le viscosity.
(10) Non-ionic inertness: O le oloa o se ether cellulose e le ionic, lea e le tuʻufaʻatasia ma masima uʻamea poʻo isi ion e fausia ai ni mea e le mafai ona faʻafefeteina.
(11) Acid-base mautu: talafeagai mo le faʻaaogaina i totonu ole va ole PH3.0-11.0.
(12) Le tofo ma le manogi, e le afaina i le metabolism;fa'aaogaina e fai ma mea'ai ma vaila'au fa'aopoopo, o le a le fa'afefeteina i mea'ai ma o le a le maua ai kalori.
4. Hydroxypropyl methylcellulose (HPMC) auala faataapeina:
A fa'apipi'i sa'o atu oloa o le hydroxypropyl methylcellulose (HPMC) i le vai, o le a fa'afefiloi ma fa'amavae, ae o lenei fa'amavaega e telegese ma faigata.E tolu metotia fa'amavaega fautuaina i lalo, ma e mafai e tagata fa'aoga ona filifili le auala sili ona faigofie e tusa ai ma lo latou fa'aogaina:
1. Auala vai vevela: Talu ai o le hydroxypropyl methylcellulose (HPMC) e le faʻafefeteina i le vai vevela, o le laasaga muamua o le hydroxypropyl methylcellulose (HPMC) e mafai ona faʻasalalau tutusa i le vai vevela, ona faʻamalieina lea, tolu A auala masani e faʻamatalaina e pei o. o lo'o mulimuli mai:
1).Tu'u le vai vevela e mana'omia i totonu o le fagu ma fa'avela ile 70°C.Faʻaopoopo faʻasolosolo hydroxypropyl methylcellulose (HPMC) i lalo o le faʻagesegese faʻavevesi, o le hydroxypropyl methylcellulose (HPMC) amata ona opeopea i luga o le vai, ona faasolosolo malie ai lea ona fausia se slurry, faʻamafanafana le slurry i lalo o le faʻafefe.
2).Fa'avela le 1/3 po'o le 2/3 (vaega mana'omia) o le vai i totonu o le fagu ma fa'avela i le 70°C.E tusa ai ma le metotia o le 1), faʻasalalau le hydroxypropyl methylcellulose (HPMC) e saunia ai le vai vevela. vai malulu, ma faʻafefe, ona faʻamafanafana lea o le paluga.
3).Fa'aopoopo le 1/3 po'o le 2/3 ole vai mana'omia ile koneteina ma fa'avevela ile 70°C.E tusa ai ma le metotia o le 1), faʻasalalau le hydroxypropyl methylcellulose (HPMC) e saunia ai le vai vevela;Ole vaega totoe ole vai malulu po'o le aisa ona fa'aopopo lea ile slurry vai vevela ma fa'alili le paluga pe a uma ona fa'aoso.
2. Pa'u fa'afefiloi auala: hydroxypropyl methylcellulose (HPMC) pa'u vaega ma se aofaiga tutusa pe sili atu o isi mea pa'u fa'asalalauina atoatoa e ala i fa'afefiloi mago, ona fa'amavae lea i le vai, ona mafai lea ona fa'amavaeina le hydroxypropyl methylcellulose Base cellulose (HPMC) e aunoa ma le agglomeration. .3. auala fa'asusu fa'asusu fa'aletino: fa'ata'ape muamua po'o le susu hydroxypropyl methylcellulose (HPMC) fa'atasi ai ma solvents organic e pei o le ethanol, ethylene glycol po'o le suau'u, ona fa'amavae lea i le vai.I lenei taimi, hydroxypropyl methylcellulose (HMC) e mafai foi ona solo solo lelei.
5. Fa'aoga autu ole hydroxypropyl methylcellulose (HPMC):
Hydroxypropyl methylcellulose (HPMC) e mafai ona faʻaaogaina e avea o se mafiafia, faʻasalalau, emulsifier ma se sui fai ata.E mafai ona fa'aogaina ana mea tau alamanuia i vaila'au i aso ta'itasi, mea fa'aeletonika, resini gaosia, fau ma fa'alavalava.
1. Fa'agata fa'apolimerization:
I le gaosiga o resini gaosia e pei o le polyvinyl chloride (PVC), polyvinylidene chloride ma isi copolymers, o le polymerization faʻamalolo e masani ona faʻaaogaina ma e manaʻomia e faʻamautu ai le faʻamalolo o monomers hydrophobic i le vai.I le avea ai o se polymer vai-soluble, hydroxypropyl methylcellulose (HPMC) oloa e sili ona lelei i luga o le gaioiga ma galue e avea o se mea e puipuia ai le colloidal, lea e mafai ona puipuia lelei ai le faʻapipiʻiina o vaega polymer.E le gata i lea, e ui lava o le hydroxypropylmethylcellulose (HPMC) o se vai-soluble polymer, e fai si soluble i le hydrophobic monomers ma faateleina ai le porosity o monomers lea e gaosia ai le polymeric particles, ina ia mafai ona maua ai le polymers ma le tomai sili ona lelei e aveese monomers totoe. ma faʻaleleia le faʻaogaina o mea faʻapipiʻi.
2. I le fausiaina o mea faufale, hydroxypropyl methylcellulose (HPMC) e mafai ona faʻaaogaina mo:
1).Fa'apipi'i ma so'o fa'apipi'i mo lipine fa'apipi'i fa'avae gypsum;
2).Fa'amauina o piliki fa'avae sima, ma'a ma fa'avae;
3).stucco fa'avae laupapa;
4).Sima fa'avae fausaga fa'apipi'i;
5).I le fua o le vali ma le vali vali.
Taimi meli: Me-24-2023