1. Ndeipi nzira huru yekushandisa cellulose?
HPMCInoshandiswa zvakanyanya muzvinhu zvekuvaka, machira ekuputira, maresini ekugadzira, zviumbwa zvedongo, mishonga, chikafu, machira, kurima, zvizoro, fodya nedzimwe nzvimbo dzeindasitiri. HPMC inogona kukamurwa kuita mhando dzemhando dzeindasitiri, mhando dzechikafu uye mhando dzemishonga zvichienderana nekushandiswa kwayo.
2. Kune mhando dzakasiyana dze cellulose, uye ndedzipi musiyano uripo pakushandiswa kwadzo?
HPMC inogona kukamurwa kuita mhando yekukurumidza (zita rechiratidzo "S") uye mhando yekupisa. Zvigadzirwa zvemhando yekukurumidza zvinopararira nekukurumidza mumvura inotonhora zvonyangarika mumvura. Panguva ino, mvura haina viscosity nekuti HPMC inongopararira mumvura isina kunyungudika chaiko. Inenge (ichikurunga) kwemaminitsi maviri, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira colloid chena inopenya. Zvigadzirwa zvinopisa zvinonyunguduka, kana zvikasangana nemvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa zvonyangarika mumvura inopisa. Kana tembiricha yadzikira kusvika patembiricha yakati (zvichienderana netembiricha yegel yechigadzirwa), viscosity inoonekwa zvishoma nezvishoma kusvika yagadzira colloid inopenya inopenya.
3. Ndedzipi nzira dzekunyungudutsa cellulose?
1). Mhando dzese dzinogona kuwedzerwa kune zvinhu nekusanganisa zvakaoma;
2). Kana ichida kuwedzerwa zvakananga mumvura inodziya panguva yekupisa, zviri nani kushandisa mvura inotonhora. Inowanzo tora maminetsi 1-30 kuti ikure mushure mekuwedzera (kurunga nekukurunga)
3). Mamodheru akajairwa anotanga akurungwa uye aparadzirwa nemvura inopisa, ozonyungudutswa mumvura inotonhora mushure mekukurungwa nekutonhodza;
4). Kana kuungana kukaitika panguva yekunyungudika, imhaka yekuti kusanganisa hakuna kukwana kana kuti modhi yakajairika inowedzerwa zvakananga mumvura inotonhora. Panguva ino, inofanira kukurunga nekukurumidza.
5). Kana mabhubhu akagadzirwa panguva yekunyungudika, anogona kusiiwa kuti amire kwemaawa 2-12 (nguva yakatarwa inotsanangurwa nekuenderana kwemushonga) kana kubviswa nekubvisa vacuum, pressurizing, nezvimwewo, uye huwandu hwakakodzera hwemushonga unobvisa mafoam hunogonawo kuwedzerwa.
4. Ungatonga sei mhando ye cellulose zviri nyore uye nenzira intuitively?
1) Kuchena, kunyangwe kuchena kusingakwanise kuona kana HPMC iri nyore kushandisa, uye kana mishonga yekuchenesa ikawedzerwa mukugadzirwa kwayo, zvinokanganisa kunaka kwayo, asi zvigadzirwa zvakawanda zvakanaka zvine kuchena kwakanaka.
2) Kunyatsonaka: Kunyatsonaka kweHPMCkazhinji ine mambure makumi masere uye mambure zana, mambure zana nemakumi maviri ishoma, kana yakatetepa, zviri nani.
3) Kutumira chiedza: Mushure mekunge HPMC yaiswa mumvura kuti igadzire colloid inoonekera, tarisa kutumirwa kwayo kwechiedza. Kutumira chiedza kwakakura, zviri nani, zvichiratidza kuti hapana zvinhu zvakawanda zvinonyunguduka mairi, uye kutumirwa kwema vertical reactors kazhinji kwakanaka. , Horizontal reactor yakaipa, asi hazvirevi kuti mhando ye vertical reactor iri nani pane ye horizontal reactor, uye pane zvinhu zvakawanda zvinosarudza mhando yechigadzirwa.
4) Simba remagetsi rakasiyana-siyana: Simba remagetsi rakasiyana-siyana rakakura, kurema kwaro kuri nani. Simba remagetsi rakasiyana-siyana rakawanda, simba remagetsi rakasiyana-siyana rakawedzera muchinhu chacho. Simba remagetsi rakasiyana-siyana rakawedzera, uye simba remagetsi rakasiyana-siyana rakawedzerawo muchinhu chacho. Simba remagetsi rakasiyana-siyana rakawedzerawo, uye simba remagetsi rakaramba richichengetwa nemvura.
5. Huwandu hwe cellulose mupudhi yeputty hunosvika papi?
Huwandu hweHPMC hunoshandiswa mukushanda hunoenderana nemamiriro ekunze, tembiricha, mhando yecalcium yemuno, fomura yeputty powder uye mhando inodiwa nevatengi. Kune musiyano munzvimbo dzakasiyana, kazhinji, uri pakati pe4-5 kg.
6. Chii chinonzi viscosity yakakodzera ye cellulose?
Kazhinji, hupfu hweputty 100,000 hwakakwana, uye chinodiwa mumota chakakwira, uye chinoda 150,000 kuti chive nyore kushandisa. Uyezve, basa guru reHPMC kuchengetedza mvura, richiteverwa nekukora. Muhupfu hweputty, chero bedzi kuchengetedza mvura kwakanaka uye viscosity yakaderera (7-8), zvinogonekawo. Ehe, viscosity yakakwira, kuchengetedza mvura kuri nani. Kana viscosity ikadarika 100,000, viscosity haina simba pakuchengetedza mvura.
7. Ndezvipi zviratidzo zvikuru zvekushandisa cellulose?
Zviri mukati mehydroxypropyl
Zviri mukati meMethyl
kusviba
Dota
Kurasikirwa pakuomeswa
8. Ndezvipi zvinhu zvikuru zve cellulose?
Zvinhu zvikuru zveHPMC: donje rakanatswa, methyl chloride, propylene oxide, liquid caustic soda, nezvimwewo.
9. Basa guru rekushandisa cellulose mupudhi yeputty nderei? Pane here maitiro emakemikari?
Pakati pehupfu hweputty, hunoita mabasa matatu ekuwedzera kukora, kuchengetedza mvura uye kuvaka. Kukora, cellulose inogona kukora kuti irambe yakakora, kuchengetedza mhinduro yakafanana kumusoro nekudzika, uye kudzivirira kudzika. Kuchengetwa kwemvura: kunoita kuti hupfu hweputty huome zvishoma nezvishoma, uye kubatsira ash calcium kuti iite chiito pasi pesimba remvura. Kuvaka: Cellulose ine simba rekunyorovesa, izvo zvinogona kuita kuti hupfu hweputty huve nekuvaka kwakanaka. HPMC haibatanidzi mune chero reaction yemakemikari, asi inongoita basa rekubatsira chete.
10. Cellulose i-non-ionic cellulose ether, saka chii chinonzi non-ionic?
Mukutaura kwevanhuwo zvavo, zvinhu zvisina simba hazvibatanidzwi mukuita kwemakemikari.
CMC (carboxymethyl cellulose) icellulose yecationic, saka inoshanduka kuita bean curd kana ikasangana necalcium yedota.
11 Chii chinobatanidzwa nekupisa kwegel kwe cellulose?
Kupisa kwejeli kweHPMC kunoenderana nehuwandu hwayo hwemethoxy, kana huwandu hwemethoxy hwakaderera, ndiko kuwedzera kwekushisa kwejeli.
12. Pane hukama huripo pakati pekurasikirwa kweupfu hweputty powder necellulose here?
Kune hukama! ! ! Kureva kuti, kusachengetwa zvakanaka kwemvura yeHPMC kunokonzera kurasikirwa nehupfu (huwandu hwezvinhu zvakaita sedota, calcium yakawanda, nesimende, tembiricha yekuvaka, uye mamiriro emadziro zvese zvichakanganiswa).
13. Ndeupi musiyano uripo pakati pe cold water instant ne hot soluble cellulose mukugadzirwa kwayo?
Rudzi rweHPMC runotonhora panguva imwe chete runorapwa pamusoro ne glyoxal, uye runopararira nekukurumidza mumvura inotonhora, asi harunyungudike zvechokwadi. Runonyungudika chete kana viscosity yawedzera. Mhando dzemvura dzinopisa hadzina kurapwa pamusoro ne glyoxal. Kana huwandu hwe glyoxal hwakakura, kupararira kwacho kuchakurumidza, asi viscosity ichawedzera zvishoma nezvishoma, uye kana huwandu hwacho huri hudiki, zvakapesana zvichava zvechokwadi.
14. Sei cellulose ine hwema?
HPMC inogadzirwa nenzira yekunyungudutsa inoshandisa toluene neisopropanol sezvinhu zvinonyungudutsa. Kana kusukwa kusina kunaka, pachava nekunhuhwirira kwasara. (Kudzorerwa kwehunhu hwema ndiyo nzira huru yekunhuhwirira)
15. Ungasarudza sei cellulose yakakodzera zvinangwa zvakasiyana?
Upfu hweputty: hunoda mvura yakawanda, nyore kuvaka
Dhaka rakajairika rakagadzirwa nesimende: rinoda mvura yakawanda inochengetwa, kuramba kupisa kwakanyanya, uye kusimba kweganda ipapo ipapo
Kushandisa guruu rekuvaka: zvigadzirwa zvinokurumidza zvine viscosity yakakwira. (giredhi rinokurudzirwa
Gypsum mortar: kuchengetedza mvura yakawanda, viscosity yepakati nepasi, kuwedzera viscosity pakarepo
16. Nderipi rimwe zita re cellulose?
Zvinonzi HPMC kana MHPC zita rekuti hypromellose, cellulose hydroxypropyl methyl ether.
17. Kushandiswa kwecellulose muputty powder, chii chinokonzera mabubbles muputty powder?
Muupfu hweputty, HPMC inoita mabasa matatu ekuwedzera kukora, kuchengetedza mvura uye kuvaka. Zvikonzero zvemabubbles ndeizvi:
1. Mvura yakawandisa inowedzerwa.
2. Rutivi rwepasi haruna kuoma, ingokwesha rumwe rutivi pamusoro, uye zviri nyore kupumha furo.
18. Musiyano uripo pakati pe cellulose ne MC ndeupi:
MC imethyl cellulose, iyo inogadzirwa ne cellulose ether nekushandisa donje rakanatswa ne alkali, uchishandisa methane chloride se etherification agent, uye inosangana nezviitiko zvakasiyana-siyana. Kazhinji, mwero wekutsiva i1.6-2.0, uye kunyunguduka kunosiyana zvichienderana nemazinga akasiyana ekutsiva. Zvakasiyana, ndeye non-ionic cellulose ether.
(1) Kuchengetwa kwemvura kwemethylcellulose kunoenderana nehuwandu hwayo hwekuwedzera, viscosity, kupfava kwezvikamu uye mwero wekunyungudika. Kazhinji, kana huwandu hwekuwedzera huri hukuru, kupfava kuri kudiki, uye viscosity yakakura, mwero wekuchengetedza mvura wakakwira. Pakati pazvo, huwandu hwekuwedzera hune simba guru pahuwandu hwekuchengetedza mvura yevanhu. Viscosity haina kuenzana nemwero wekuchengetedza mvura. Mwero wekunyungudika unonyanya kuenderana nepamusoro pezvikamu zve cellulose. Mwero wekuchinja uye kupfava kwezvikamu. Pakati pema cellulose ethers akati wandei ari pamusoro apa, mwero wekuchengetedza mvura wemethyl cellulose neJinshuiqiao cellulose wakakwira.
(2) Methylcellulose inonyungudika mumvura inotonhora, uye zvichave zvakaoma kunyungudika mumvura inopisa. Mvura yayo inogadzikana zvikuru pakati pe ph=3-12. Inoenderana zvakanaka nestarch, nezvimwewo uye ma surfactants akawanda. Kana tembiricha yasvika, gelation ichaitika.
(3) Kuchinja kwetembiricha kuchakanganisa zvakanyanya mwero wekuchengetedza mvura wemethyl cellulose. Kazhinji, tembiricha yakakwira, mwero wekuchengetedza mvura wakanyanya kuipa. Kana tembiricha yemortar ikadarika madhigirii makumi mana, kuchengetedza mvura kwemethyl cellulose kuchaderera zvakanyanya, izvo zvichakanganisa zvakanyanya kuvaka mortar.
(4)Methyl celluloseine simba guru pakuvakwa nekunamirwa kwedhaka. Kunamirwa pano kunoreva simba rinonamirwa rinonzwika pakati pechishandiso chemushandi nemadziro, kureva kuti, kuramba kuchekwa kwedhaka. Kunamirwa kwacho kwakanyanya, kuramba kuchekwa kwedhaka kwakakura, uye simba rinodiwa nevashandi pakushandisa rakakurawo, uye mashandiro edhaka racho haana kunaka.
Nguva yekutumira: Kubvumbi-25-2024