1. Ndeipi inonyanya kushandiswa hydroxypropyl methyl cellulose?
HPMCInoshandiswa zvakanyanya muzvinhu zvekuvaka, machira ekuputira, maresini ekugadzira, zviumbwa zvedongo, mishonga, chikafu, machira, kurima, zvizoro, fodya nedzimwe nzvimbo. HPMC inogona kukamurwa kuita mhando dzemhando yeindasitiri, mhando dzechikafu uye mhando dzekurapa zvichienderana nekushandiswa.
2. Hydroxypropyl methyl cellulose yakakamurwa kuita mhando dzakasiyana-siyana, musiyano uripi pakati padzo?
HPMC inogona kukamurwa kuita zvinhu zvinokurumidza (brand suffix "S") uye zvinopisa zvinonyunguduka, zvigadzirwa zvinokurumidza, mumvura inotonhora zvinopararira nekukurumidza, zvinonyangarika mumvura, panguva ino mvura haina viscosity, nekuti HPMC inongopararira mumvura, hapana kunyunguduka chaiko. Anenge maminetsi maviri, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira gel yakajeka uye inonamira. Zvigadzirwa zvinonyunguduka zvinopisa, zvakaungana mumvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa, zvinonyangarika mumvura inopisa, zvakaita sekunge tembiricha inoderera kusvika kune imwe tembiricha (zvichienderana netembiricha yegel yechigadzirwa), viscosity inooneka zvishoma nezvishoma, kusvika paumbwa colloid yakajeka ine viscosity.
3. Ungaziva sei mhando yehydroxypropyl methyl cellulose zviri nyore uye nenzira intuitively?
1) kuchena, kunyangwe kuchena kusingakwanise kuona kana HPMC yakanaka, uye kana ikaiswa mukugadzirwa kwayo, chicheneswa chichakanganisa kunaka kwayo, asi, zvigadzirwa zvakanaka zvinonyanya kuchena zvakanaka.
2) kupfava: Kupfava kweHPMC kunowanzova 80 mesh uye 100 mesh, 120 chinangwa chishoma, kupfava kuri nani.
3) kufambiswa kwechiedza: HPMC mumvura, ichigadzira colloid yakajeka, inoona kufambiswa kwayo kwechiedza, kupindira kwayo kukuru, kutsanangura kusanyunguduka mukati, kettle yemhinduro yakatwasuka nemadhigirii kazhinji yakanaka, ichatumira mamwe kettle yemhinduro yakatwasuka, asi haigone kutsanangura kuti mhando yekugadzira kettle yakatwasuka iri nani pane kugadzira kettle, pane zvinhu zvakawanda zvinosarudza mhando yechigadzirwa.
4) chiyero: chiyero chikuru, kurema kwacho kuri nani, kupfuura chikuru, kazhinji nekuda kwehuwandu hwakawanda hwehydroxypropyl mukati, huwandu hwehydroxypropyl hwakawanda, kuchengetedza mvura kuri nani.
4. Ndedzipi nzira dzekunyungudutsa hydroxypropyl methyl cellulose?
1) Mhando dzese dzinogona kuwedzerwa muzvinhu izvi nenzira yekusanganisa yakaoma;
2) Inofanira kuwedzerwa zvakananga mumvura inodziya panguva yekupisa, zviri nani kushandisa mvura inotonhora, mushure mekuwedzera mumaminitsi 10-90 kuti iite gobvu (kurunga nekukurunga)
3) Mhando dzakajairika dzinogona kunyungudutswa mushure mekusanganisa nekuparadzanisa nemvura inopisa uye kuwedzera mvura inotonhora mushure mekukurunga nekutonhodza;
4) Pakunyungudika, kana chiitiko chekuungana chikaitika, imhaka yekuti kusanganisa hakuna kukwana kana kuti modhi yakajairika inowedzerwa zvakananga mumvura inotonhora. Panguva ino, inofanira kukurunga nekukurumidza.
5) Kana mabhubhu akaitika panguva yekunyungudika, anogona kubviswa nekumira kwemaawa 2-12 (nguva yakatarwa inoenderana nekuenderana kwemushonga) kana nekubvisa vacuum nekudzvanya, kana nekuwedzera huwandu hwakakodzera hwemushonga unobvisa mafoam.
5 hydroxypropyl methyl cellulose muhuwandu hweputty powder?
HPMC mukushandiswa chaiko kwehuwandu, zvichienderana nemamiriro ekunze, tembiricha, mhando yekarusiyamu yegrey yemunharaunda, fomura yeputty powder uye zvinodiwa nevatengi zvemhando dzakasiyana, uye pane musiyano uripo, kazhinji pakati pe4-5 kg.
6. Chii chinonzi viscosity yakakodzera yehydroxypropyl methyl cellulose?
Upfu hweputty hunowanzova 100000 gaba, zvinodiwa nemortar zvakakwira, kusvika 150000 zvakanaka, uye basa guru reHPMC kuchengetedza mvura, zvichiteverwa nekukora. Muupfu hweputty, chero bedzi kuchengetedza mvura kwakanaka, viscosity yakaderera (7-8), zvinogonekawo, zvechokwadi, viscosity yakakura, kuchengetedza mvura kuri nani, kana viscosity iri kupfuura 100,000, viscosity yekuchengetedza mvura haisi yakawanda.
7. Ndezvipi zvinhu zvikuru zve hydroxypropyl methyl cellulose?
HPMCzvinhu zvikuru: donje rakanatswa, chloromethane, propylene oxide, zvimwe zvinhu zvisina kugadzirwa, tablet alkali, acid toluene.
8. Hydroxypropyl methyl cellulose mukushandiswa kweputty powder, basa guru, kana makemikari?
Muupfu hweputty, kukora, kuchengetedza mvura uye kuvaka mabasa matatu. Kukora, cellulose inogona kukora kusvika yamira, kuitira kuti mhinduro irambe yakafanana kumusoro nekudzika sebasa rekudzivirira kuyerera. Kuchengetwa kwemvura: kuita kuti upfu hweputty huome zvishoma nezvishoma, calcium inobatsira mukuita kwekuita kwemvura. Kuvakwa: lubrication yecellulose, inogona kuita kuti upfu hweputty huve nekuvaka kwakanaka. HPMC haibatanidzi mune chero maitiro emakemikari, asi inongotamba basa rekutsigira.
9 .hydroxypropyl methyl cellulose i non-ionic cellulose ether, saka chii chinonzi non-ionic?
Mukutaura kwevanhuwo zvavo, zvinhu zvisina simba hazvibatanidzwi mukuita kwemakemikari.
CMC (carboxymethyl cellulose) i cationic cellulose, saka kusangana ne gray calcium kuchava bhinzi curd residue.
10. Ndezvipi zviratidzo zvikuru zve hydroxypropyl methyl cellulose?
Zviri mukati mehydroxypropyl
Zviri mukati meMethyl
kusviba
dota
Kuderedza uremu kwakaoma
11. Chii chine chekuita nekupisa kwegel kwehydroxypropyl methyl cellulose?
Kupisa kwejeli kweHPMC kwakabatana nehuwandu hwemethoxyl, kana huwandu hwemethoxyl hwakaderera, ndiko kuwedzera kwekushisa kwejeli.
Hukama hwe12 putty powder drop powder nehydroxypropyl methyl cellulose?
Kana HPMC isingachengete mvura zvakanaka, inokonzera hupfu.
13 hydroxypropyl methyl cellulose mukushandiswa kweputty powder, putty powder bubble chikonzero chei?
HPMC muupfu hweputty, kukora, kuchengetwa kwemvura uye kuvakwa kwemabasa matatu, chikonzero chebubble:
1. ) Mvura yakawandisa inowedzerwa.
2. ) Rutivi rwepasi haruna kuoma, wobva wakwesha rutivi pariri, izvo zviri nyorewo kuputira.
14. Ndeupi musiyano uripo pakati pehydroxypropyl methyl cellulose inonyungudika nekukurumidza mumvura inotonhora uye inonyungudika zvakanyanya mukugadzirwa kwayo?
Rudzi rwe HPMC cold water instant solution runobva rwagadziriswa ne glyoxal surface, runoiswa mumvura inotonhora runokurumidza kupararira, asi haruna kunyungudika, viscosity inokwira, inonyungudika. Rudzi rwe thermosoluble haruna kugadziriswa ne glyoxal pamusoro. Huwandu hwe glyoxal hwakakura, kupararira kwacho kunokurumidza, asi viscosity inononoka, huwandu hwacho hushoma, zvakasiyana.
15. Chii chiri kunhuhwirira kwehydroxypropyl methyl cellulose?
HPMC inogadzirwa nenzira yekunyungudutsa inogadzirwa netoluene neisopropyl alcohol. Kana kusukwa kusina kunaka, pachava nekunaka kwasara. (Kudzorerwa kwehunhu hwemvura ndiyo nzira huru yekunhuhwirira)
16. Ungasarudza sei hydroxypropyl methyl cellulose yakakodzera kushandiswa kwakasiyana?
Upfu hweputty: zvinodiwa zvakanyanya kuchengetedza mvura, kushandirana zvakanaka pakuvaka (giredhi rinokurudzirwa: 75AX100000)
Dhaka rakajairika rakagadzirwa nesimende: kuchengetedza mvura yakawanda, kuramba kupisa kwakanyanya, kusviba nekukurumidza (giredhi rinokurudzirwa: 75AX150000)
Kushandisa guruu rekuvaka: zvigadzirwa zvinokurumidza, kusviba kwakanyanya. (Nhamba yerudzi inokurudzirwa: 75AX200000S)
Gypsum mortar: kuchengetedza mvura yakawanda, viscosity yepakati nepasi, viscosity yekukurumidza (giredhi rinokurudzirwa: 75AX75000)
17. Zita remadunhurirwa re hydroxypropyl methyl cellulose nderei?
HPMC kana MHPC inonzi hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
18. Ndeupi musiyano uripo pakati pehydroxypropyl methyl cellulose neMC?
MC imethyl cellulose, idonje rakanatswa mushure mekurapwa nealkali, methane chloride semushonga we etherifying, kuburikidza nematanho akasiyana-siyana uye yakagadzirwa ne cellulose ether, huwandu hwechinzvimbo che 1.6-2.0, huwandu hwakasiyana hwekunyungudika kwechinzvimbo hwakasiyanawo, ndehwe non-ionic cellulose ether.
(1) Kuchengetwa kwemvura kwemethyl cellulose kunoenderana nehuwandu hwayo hwekuwedzera, viscosity, kupfava kwezvikamu uye mwero wekunyungudika. Kazhinji, huwandu hwekuwedzera hwakakura, kupfava kudiki, viscosity yakakura, mwero wekuchengetedza mvura wakakwira, huwandu hwekuwedzera hune simba guru pahuwandu hwekuchengetedza mvura, viscosity uye mwero wekuchengetedza mvura hausi wakaderera pane hukama, mwero wekunyungudika unonyanya kutsamira padanho rekuchinja kwepamusoro uye kupfava kwezvikamu zve cellulose. Methyl cellulose uye hydroxypropyl methyl cellulose mune mamwe ma cellulose ethers ari pamusoro apa ane mwero wekuchengetedza mvura wakakwira.
(2) Methyl cellulose inogona kunyungudutswa mumvura inotonhora, mvura inopisa ichave yakaoma kunyungudutswa, mvura yayo ine pH = 3-12 yakagadzikana zvikuru, uye starch, nezvimwewo, uye masurfactants mazhinji ane hukama hwakanaka, kana tembiricha yasvika patembiricha yegelation, pachava nechiitiko chegelation.
(3) Kuchinja kwetembiricha kuchakanganisa zvakanyanya mwero wekuchengetedza mvura yemethyl cellulose, kazhinji, kana tembiricha yakakwira, kuchengetedza mvura kwakaipa. Kana tembiricha yemortar ikapfuura madhigirii makumi mana, kuchengetedza mvura yemethyl cellulose kuchanyanya kuipa, izvo zvinokanganisa zvakanyanya kugadzirwa kwemortar.
(4)Methyl celluloseine simba riri pachena pakuvaka nekunamatira kwedhaka. Kunamatira pano kunoreva simba rinonamira rinonzwa pakati pechishandiso nemadziro emushandi, kureva kuti, kuramba kunamatira kwedhaka. Kunamira kwakakura, kuramba kunamatira kwedhaka kwakakura, simba rinodiwa nevashandi pakushandisa rakakurawo, uye kuvaka dhaka kwakashata.
Nguva yekutumira: Kubvumbi-25-2024