1. Dulmar
Hydroxypropyl Methyl Cellulose (HPMC) waa eter cellulose aan-ionic ahayn oo laga sameeyay maadada polymer-ka dabiiciga ah - cellulose iyada oo loo marayo nidaamyo kiimiko oo taxane ah.Hydroxypropyl methylcellulose (HPMC) waa budo is-midab leh oo aan ur lahayn, dhadhamin, oo aan sun ahayn, taas oo lagu milmi karo biyo qabow si ay u sameeyaan xal viscous ah oo hufan, kaas oo leh hawlaha dhumucda, isku-xidhka, kala firdhinta, emulsifying, filim samaynta, iyo joojinta , adsorption, gelation, dhaqdhaqaaqa dusha sare, xajinta qoyaanka iyo ilaalinta guryaha kolloid.
Hydroxypropyl methylcellulose (HPMC) waxaa loo isticmaali karaa qalabka dhismaha, dahaarka, xabagta synthetic, ceramics, daawooyinka, cuntada, dunta, beeraha, qurxinta iyo warshadaha tubaakada.
2. Qeexitaanka alaabta iyo kala soocida Products waxaa loo qaybiyaa biyaha qabow nooca S iyo nooca caadiga ah
Tilmaamaha Guud eeHydroxypropyl Methyl Cellulose
| alaabta | MC | HPMC | ||||
| E | F | J | K | |||
| Methoxy | content (%) | 27.0-32.0 | 28.0-30.0 | 27.0-30.0 | 16.5-20.0 | 19.0-24.0 |
| Darajada beddelkaDS | 1.7 ~ 1.9 | 1.7 ~ 1.9 | 1.8 ~ 2.0 | 1.1 ~ 1.6 | 1.1 ~ 1.6 | |
| Hydroxypropoxy | content (%) | 7.0 ~ 12.0 | 4 ~ 7.5 | 23.0-32.0 | 4.0 ~ 12.0 | |
| Darajada beddelkaDS | 0.1 ~ 0.2 | 0.2 ~ 0.3 | 0.7 ~ 1.0 | 0.1 ~ 0.3 | ||
| Qoyaanka (Wt%) | ≤5.0 | |||||
| Ash(Wt%) | ≤1.0 | |||||
| Qiimaha PH | 5.0 ~ 8.5 | |||||
| Dibadda | budo granule cad caano ah ama budo granule cad | |||||
| Wanaag | 80 madax | |||||
| viscosity (mPa.s) | eeg qeexida viscosity | |||||
Sharaxaada viscosity
| Tilmaamid | Kala duwanaanshaha viscosity (mpa.s) | Tilmaamid | Kala duwanaanshaha viscosity (mpa.s) |
| 5 | 3 ~ 9 | 8000 | 7000-9000 |
| 15 | 10 ~ 20 | 10000 | 9000-11000 |
| 25 | 20 ~ 30 | 20000 | 15000-25000 |
| 50 | 40 ~ 60 | 40000 | 35000-45000 |
| 100 | 80 ~ 120 | 60000 | 46000-65000 |
| 400 | 300-500 | 80000 | 66000-84000 |
| 800 | 700-900 | 100000 | 85000-120000 |
| 1500 | 1200-2000 | 150000 | 130000-180000 |
| 4000 | 3500-4500 | 200000 | ≥180000 |
3,dabeecadda alaabta
Guryaha: Alaabtani waa budo cad ama ka baxsan, aan ur lahayn, dhadhamin iyoaan sun ahayn.
Biyo milanka iyo awoodda dhumucda: Alaabtan waxa lagu milmi karaa biyo qabow si loo sameeyo xal muuqda oo muuqda.
Kala dirida dareerayaasha organic: Sababtoo ah waxay ka kooban tahay qadar go'an oo ah kooxaha methoxyl hydrophobic, alaabtan waxaa lagu milmi karaa qaar ka mid ah dareerayaasha organic, waxaana sidoo kale lagu milmi karaa dareerayaasha lagu qaso biyaha iyo walxaha organic.
Iska caabbinta milixda: Maadaama badeecadani tahay polymer-ka aan-ionic-ka ahayn, waxay ku xasilloon tahay xalalka aqueous ee cusbada birta ah ama electrolytes organic.
Dhaqdhaqaaqa dusha sare: Xalka aqueous ee alaabtani waxay leedahay hawlo dusha sare ah, waxayna leedahay hawlo iyo astaamo ay ka mid yihiin emulsification, kolloid ilaalin iyo xasillooni.
Gelation-ka kulaylka: Marka xalka aqueous ee alaabtan lagu kululeeyo heerkul gaar ah, waxay noqotaa mugdi ilaa ay ka sameyso xaalad qulqulaya (poly), si uu xalku u lumiyo viscosity.Laakin ka dib qaboojinta, waxay mar kale u rogi doontaa xalalka asalka ah.Heerkulka ay ku dhacdo gelation waxay kuxirantahay nooca badeecada, xoojinta xalka iyo heerka kuleylka.
Xasiloonida PH: Viscosity ee xalka aqueous ee alaabtani waa mid degan inta u dhaxaysa PH3.0-11.0.
Saamaynta biyaha-haynta: Maadaama badeecadani ay tahay hydrophilic, waxaa lagu dari karaa hoobiye, gypsum, rinji, iwm si loo ilaaliyo saamaynta sare ee biyaha ee alaabta.
Haysashada qaabka: Marka la barbar dhigo polymers-ka kale ee biyaha ku milma, xalalka aqueous ee alaabtani waxay leedahay sifooyin viskoelastic ah oo gaar ah.Ku-darkeedu wuxuu awood u leeyahay inuu sii wado qaabka alaabta dhoobada ah ee la soo saaray oo aan isbeddelin.
Dufan: Ku darida alaabtan waxay yareyn kartaa isku-dhafka isku-dhafka waxayna wanaajin kartaa saliidda alaabta dhoobada ah ee la soo saaray iyo alaabta sibidhka.
Qalabka sameynta filimada: Alaabtaani waxay sameyn kartaa filim dabacsan, hufan oo leh sifooyin farsamo oo aad u wanaagsan, waxayna leedahay iska caabin saliid iyo dufan wanaagsan
4.sifooyinka jirka iyo kiimikaad
Cabbirka qaybta: 100 mesh heerka kaarka mesh wuxuu ka weyn yahay 98.5%, 80 mesh heerka kaarka mesh waa 100%
Heerkulka kaarboonization: 280 ~ 300 ℃
Cufnaanta muuqata: 0.25 ~ 0.70/cm cuf-jiid gaar ah 1.26 ~ 1.31
heerkulka midabka: 190 ~ 200 ℃
Xiisadda dusha sare: 2% xal aqueous waa 42 ~ 56dyn/cm
Solubility: Ku milmay biyaha iyo qaar ka mid ah dareerayaasha, xalka aqueous wuxuu leeyahay hawlo korka ah.Hufnaan sare.Waxqabadka xasiloon, milmi-beelku wuxuu isbeddelaa viskosity, hoos udhaca viscosity, way ka weyn tahay milanka.
HPMC waxa kale oo ay leedahay sifooyinka awooda dhumucda, caabbinta milixda, xasiloonida PH, haynta biyaha, xasiloonida cabbirka, hantida samaynta filimada aad u fiican, iyo caabbinta ensaymka balaadhan, kala firdhisanaanta iyo isku xidhnaanta.
5, ujeedada ugu weyn
Heerka warshadaha HPMC waxaa inta badan loo isticmaalaa sida kala firdhiso soo saarista polyvinyl chloride, waana wakiilka ugu muhiimsan ee diyaarinta PVC by polymerization hakinta.Intaa waxaa dheer, waxaa loo isticmaali karaa sidii dhumuc weyn, xasiliye, emulsifier, excipient, iyo wakiilka biyaha-haynta ee soo saarista kiimikooyinka kale ee batroolka, dahaarka, qalabka dhismaha, rinji saarayaasha, kiimikooyinka beeraha, khadadka, daabacaadda dunta iyo rinjiyeynta, ceramics, warqad , Waxyaabaha la isku qurxiyo, iwm, wakiilka samaynta filimka, iwm Codsiga ee xabagta synthetic ka dhigi kartaa alaabta la helay waxay leeyihiin sifooyinka qaybaha caadiga ah iyo dabacsan, cuf gaar ah oo ku habboon iyo waxqabadka processing aad u fiican, sidaas asal ahaan bedelay gelatin iyo khamriga polyvinyl sida kala firdhiso.
Lix hab oo kala dirid:
(1)Qaado qadarka loo baahan yahay ee biyaha kulul, ku rid weel oo kuleyl ka sarreeya 80 ° C, oo si tartiib ah ugu dar alaabtan si tartiib ah u walaaq.Cellulose-ku waxa uu sabbeeyaa biyaha oogada sare marka hore, laakiin si tartiib tartiib ah ayaa loo kala firdhiyaa si ay u sameeyaan slurry labis ah.Xalka ayaa la qaboojiyey marka la walaaqayo.
(2)Haddii kale, kuleyli 1/3 ama 2/3 ee biyaha kulul ilaa 85 ° C, ku dar cellulose si aad u hesho slurry biyo kulul, ka dibna ku dar inta hartay ee biyo qabow, sii walaaq, oo qabooji isku dhafka ka dhashay.
(3)Mesh cellulose waa mid aad u fiican, waxayna u jirtaa sida qaybo yaryar oo gaar ah oo ku jira budada siman ee la walaaqay, waxayna si dhakhso ah u milaan marka ay la kulmaan biyaha si ay u sameeyaan viscosity loo baahan yahay.
(4)Si tartiib ah oo siman ku dar cellulose heerkulka qolka, walaaqaya si joogto ah ilaa xal hufan la sameeyo.
Waqtiga boostada: Jan-11-2023