1. Ndeipi inonyanya kushandiswa hydroxypropyl methylcellulose?
HPMC inoshandiswa 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 dzemishonga zvichienderana nekushandiswa kwayo.
2. Kune mhando dzakasiyana dzehydroxypropyl methylcellulose. Ndeipi musiyano uripo pakati padzo?
HPMC inogona kukamurwa kuita mhando yekukurumidza (brand suffix "S") uye mhando yekupisa inonyunguduka. Zvigadzirwa zvemhando yekukurumidza zvinopararira nekukurumidza mumvura inotonhora zvonyangarika mumvura. Panguva ino, mvura haina viscosity nekuti HPMC inongopararira mumvura chete uye haina mhinduro chaiyo. Mushure memaminitsi maviri (kusanganisa), viscosity yemvura inowedzera zvishoma nezvishoma uye colloid yakajeka inoumbwa. Zvigadzirwa zvinonyunguduka zvinopisa, mumvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa zvonyangarika mumvura inopisa. Kana tembiricha yadzikira kusvika patembiricha yakati (zvichienderana netembiricha yegel yechigadzirwa), viscosity inoonekwa zvishoma nezvishoma kusvika colloid yakajeka uye yakanyunguduka yaumbwa.
3. Ndedzipi nzira dzekushandisa hydroxypropyl methylcellulose?
1. Mhando dzese dzinogona kuwedzerwa kune zvinhu nekusanganisa zvakaoma;
2. Inofanira kuwedzerwa zvakananga mumvura inodziya panguva yekupisa. Zvakanakisisa kushandisa mvura inotonhora. Mushure mekuwedzera, inowanzo kora mukati memaminitsi 10-90 (kurunga, kumutsa, kumutsa)
3. Kune mamodheru akajairwa, sanganisai moparadzira nemvura inopisa kutanga, mobva mawedzera mvura inotonhora kuti inyungudike mushure mekukurunga nekutonhodza.
4. Kana kuungana kana kuputira zvikaitika panguva yekunyungudika, imhaka yekuti kusanganisa hakuna kukwana kana kuti modhi yakajairika inowedzerwa zvakananga mumvura inotonhora. Panguva ino, kurunga nekukurumidza.
5. Kana mabhubhu akagadzirwa panguva yekunyungudika, anogona kusiiwa kwemaawa 2-12 (nguva yakatarwa inoenderana nekuenderana kwemushonga) kana kubviswa nekubvisa vacuum, pressurization, nezvimwewo, uye huwandu hwakakodzera hwemushonga unobvisa mafoam hunogonawo kuwedzerwa.
4. Ungatonga sei mhando yehydroxypropyl methylcellulose zviri nyore uye nenzira intuitively?
1. Kuchena. Kunyangwe kuchena kusingakwanise kutonga kana HPMC yakanaka kana kwete, uye kuwedzera zvinhu zvinochenesa panguva yekugadzira kunokanganisa kunaka kwayo, zvigadzirwa zvakawanda zvakanaka zvine kuchena kwakanaka.
2. Kupfava: Kupfava kweHPMC kunowanzova 80 mesh uye 100 mesh, pasi pe120, kupfava kuri nani.
3. Kutumira chiedza: HPMC inoumba colloid yakajeka mumvura. Tarisa kutumirwa kwechiedza. Kutumira chiedza kwakakura, kunopinda kwemvura kuri nani, zvinoreva kuti mune zvinhu zvishoma zvisinganyunguduke mairi. Iyo reactor yakatwasuka inowanzova yakanaka, uye reactor yakatwasuka ichaburitsa zvimwe. Asi hazvigone kutaurwa kuti mhando yekugadzira yekettle yakatwasuka iri nani pane yekettle yakatwasuka. Pane zvinhu zvakawanda zvinosarudza mhando yechigadzirwa.
4. Simba remagetsi rakasiyana-siyana: Simba remagetsi rakasiyana-siyana rakakura, kurema kwaro kuri nani. Simba remagetsi rakasiyana-siyana rakakura, simba remagetsi rakasiyana-siyana rakawedzera, uye simba remagetsi rakasiyana-siyana rakawedzera. Kazhinji, simba remagetsi rakasiyana-siyana rakawedzera, uye simba remagetsi rakasiyana-siyana rakawedzera, uye mvura inochengetwa zvakanaka.
5. Ingani hydroxypropyl methylcellulose inoshandiswa muputty powder?
Huwandu hweHPMC hunoshandiswa pakushandisa chaihwo hunosiyana kubva panzvimbo nenzvimbo, kazhinji, huri pakati pe4-5 kg, zvichienderana nemamiriro ekunze, tembiricha, mhando yecalcium ash yemuno, putty powder formula uye zvinodiwa nevatengi.
6. Chii chinonzi viscosity yehydroxypropyl methylcellulose?
Upfu hweputty hunowanzo dhura RMB 100,000, nepo dhaka rine zvinodiwa zvepamusoro. Hunodhura RMB 150,000 kuti huve nyore kushandisa. Uyezve, basa guru reHPMC nderekuchengetedza mvura, zvichiteverwa nekukora. Muupfu hweputty, chero bedzi mvura iri kuchengetwa zvakanaka uye viscosity yakaderera (7-8), zvinogonekawo. Ehe, viscosity yakakura, kuchengetedza mvura kuri nani. Kana viscosity iri pamusoro pe100,000, viscosity haina simba guru pakuchengetedza mvura.
7. Ndezvipi zviratidzo zvikuru zve hydroxypropyl methylcellulose?
Zviri mukati mehydroxypropyl
Zviri mukati meMethyl
kusviba
Dota
kuderedza uremu pasina kuoma
8. Ndezvipi zvinhu zvikuru zve hydroxypropyl methylcellulose?
Zvinhu zvikuru zveHPMC: donje rakanatswa, methyl chloride, propylene oxide, zvimwe zvinhu zvisina kugadzirwa, caustic soda, uye acid toluene.
9. Kushandiswa uye basa guru rehydroxypropyl methylcellulose muputty powder, ikemikari here?
Muupfu hweputty, hunoita mabasa matatu makuru: kukora, kuchengetedza mvura uye kuvaka. Kukora kunogona kukodza cellulose uye kuita basa rekumisa, zvichiita kuti mhinduro irambe yakafanana kumusoro nekudzika uye kudzivirira kudzika. Kuchengetwa kwemvura: Ita kuti upfu hweputty huome zvishoma nezvishoma uye kubatsira calcium yegrey kuti iite chiito pasi pemvura. Kushanda: Cellulose ine simba rekuzora, izvo zvinoita kuti upfu hweputty hushande zvakanaka. HPMC haibatanidzi mune chero maitiro emakemikari uye inongotamba basa rekutsigira.
10. Hydroxypropyl methylcellulose i-non-ionic cellulose ether, saka rudzii rwenon-ionic?
Kazhinji, zvinhu zvisina simba hazvibatanidzwi mukuita kwemakemikari.
CMC (carboxymethylcellulose) icellulose yecationic uye inoshanduka kuita tofu dregs kana ikasangana necalcium ash.
11. Chii chinoenderana nekupisa kwegel kwehydroxypropyl methylcellulose?
Kupisa kwejeli kweHPMC kunoenderana nehuwandu hwemethoxyl. Kana methoxyl iri shoma, tembiricha yejeli inowedzerawo.
12. Pane hukama huripo pakati peputty powder nehydroxypropyl methylcellulose here?
Izvi zvakakosha! HPMC haina mvura yakakwana uye inokonzera hupfu.
13. Ndeupi musiyano uripo pakati pemushonga wemvura inotonhora nemushonga wemvura inopisa wehydroxypropyl methylcellulose?
Rudzi rweHPMC runonyungudika mumvura inotonhora runokurumidza kupararira mumvura inotonhora mushure mekurapwa pamusoro ne glyoxal, asi harunyungudike zvechokwadi. Viscosity inokwira, kureva kuti, inonyungudika. Rudzi rwemvura inonyungudika inopisa haruna kurapwa pamusoro ne glyoxal. Glyoxal yakakura muhukuru uye inopararira nekukurumidza, asi ine viscosity inononoka uye vhoriyamu diki, uye zvinopesana.
14. Kunhuhwirira kwehydroxypropyl methylcellulose chii?
HPMC inogadzirwa nenzira yekunyungudutsa inogadzirwa netoluene neisopropyl alcohol sezvinhu zvinonyungudutsa. Kana ikasagezwa zvakanaka, pachava nekunhuwa kwasara. (Kubvisa tsvina uye kudzokorodza zvinhu ndiyo nzira huru yekunhuhwirira)
15. Ungasarudza sei hydroxypropyl methylcellulose yakakodzera kushandiswa kwakasiyana?
Upfu hweputty: zvinodiwa zvakanyanya kuchengetedza mvura uye nyore kuvaka (rudzi rwunokurudzirwa: 7010N)
Dhaka rakajairika rakagadzirwa nesimende: kuchengetedza mvura yakawanda, kuramba kupisa kwakanyanya, kupenya kwepakarepo (giredhi rinokurudzirwa: HPK100M)
Kushandiswa kweglue rekuvaka: chigadzirwa chinokurumidza, kusviba kwakanyanya. (Brand inokurudzirwa: HPK200MS)
Gypsum mortar: kuchengetedza mvura yakawanda, viscosity yepakati nepakati, viscosity yekukurumidza (giredhi rinokurudzirwa: HPK600M)
16. Nderipi rimwe zita rehydroxypropyl methylcellulose?
HPMC kana MHPC inozivikanwawo se hydroxypropyl methylcellulose uye hydroxypropyl methylcellulose ether.
17. Kushandiswa kwehydroxypropyl methylcellulose muputty powder. Chii chinoita kuti putty powder ive furo?
HPMC inoita mabasa matatu makuru muupfu hweputty: kukora, kuchengetedza mvura uye kuvaka. Zvikonzero zvemabubbles ndeizvi:
1. Wedzera mvura yakawandisa.
2. Kana pasi pacho pasina kuoma, kukwenya rimwe jira pamusoro kunokonzera maronda zviri nyore.
18. Ndeupi musiyano uripo pakati pehydroxypropyl methylcellulose neMC:
MC, methyl cellulose, inogadzirwa nedonje rakanatswa mushure mekugadziriswa kwealkali, ichishandisa methane chloride semushonga wekupisa, uye maitiro akasiyana-siyana ekugadzira cellulose ether. Dhigirii rekuchinja i1.6-2.0, uye kunyunguduka kwemadhigirii akasiyana ekutsiva kwakasiyanawo. I non-ionic cellulose ether.
(1) Kuchengetwa kwemvura kwemethylcellulose kunoenderana nehuwandu hwayo hwekuwedzera, viscosity, kupfava kwezvikamu uye mwero wekunyungudika. Kazhinji, huwandu hwekuwedzera hwakakura, kupfava kudiki, viscosity yakakwira, uye mwero wekuchengetedza mvura wakakwira. Huwandu hwekuwedzera hune simba guru pahuwandu hwekuchengetedza mvura, uye viscosity haina chekuita nemwero wekuchengetedza mvura. Mwero wekunyungudika unonyanya kutsamira padanho rekuchinja kwepamusoro uye kupfava kwezvikamu zve cellulose. Pakati peethers dze cellulose dzataurwa pamusoro apa, methylcellulose nehydroxypropylmethylcellulose zvine mwero wekuchengetedza mvura wakakwira.
(2) Methyl cellulose inogona kunyungudutswa mumvura inotonhora, asi ichaomerwa nekunyungudutswa mumvura inopisa. Mvura yayo inonyungudutswa yakasimba pakati pepH = 3-12, uye inoenderana zvakanaka nestarch uye ma surfactants akawanda. Kana tembiricha yasvika pagel Kana tembiricha ye gelation yawedzera, gelation ichaitika.
(3) Kuchinja kwetembiricha kuchakanganisa zvakanyanya mwero wekuchengetedza mvura wemethylcellulose. Kazhinji, tembiricha yakakwira, mwero wekuchengetedza mvura wakanyanya kuipa. Kana tembiricha yemortar ikadarika madhigirii makumi mana, kuchengetedza mvura kwemethylcellulose kuchaderera zvakanyanya, zvichikanganisa zvikuru kuvaka mortar.
(4) Methylcellulose ine simba guru pakuvaka nekunamatira kwedhaka. Kunamatira pano kunoreva kubatana kunonzwa pakati pechishandiso chemushandi nechinhu chiri pamadziro, kureva kuti, kuramba kunamatira kwedhaka. Kunamira kwakanyanya, kuramba kunamatira kwedhaka kwakanyanya, uye simba rinodiwa nevashandi panguva yekushandisa rakakwirawo, saka mashandiro edhaka haana kunaka.
Nguva yekutumira: Ndira-31-2024