01.Hydroxyethyl cellulose
Sida surfactant non-ionic, hydroxyethyl cellulose ma aha oo kaliya in uu leeyahay hawlaha hakinta, dhumucdiisuna, kala firdhiyey, sabbaynaya, bonding, film-samaynta, haynta biyaha iyo bixinta kolloid ilaalinta, laakiin sidoo kale waxa uu leeyahay sifooyinka soo socda:
1. HEC waxay ku milmaysaa biyo kulul ama qabow, oo kuma soo da'do heerkulka sare ama karkarinta, si ay u leedahay noocyo kala duwan oo milmayn iyo sifooyin viscosity, iyo gelation non-thermal;
2. Marka la barbar dhigo methyl cellulose la aqoonsan yahay iyo hydroxypropyl methyl cellulose, awoodda kala firdhiso ee HEC waa tan ugu xun, laakiin kolloid difaaca ayaa leh awoodda ugu xooggan.
3. Awoodda haynta biyuhu waxay laban laab ka badan tahay tan methyl cellulose, waxayna leedahay nidaaminta qulqulka wanaagsan.
Ka taxaddar marka la isticmaalayo:
Maaddaama dusha lagu daaweeyay hydroxyethyl cellulose ay tahay budo ama cellulose adag, way fududahay in la xakameeyo oo lagu milmo biyaha ilaa inta arrimaha soo socda la xusayo.
1. Kahor iyo ka dib marka lagu daro hydroxyethyl cellulose, waa in si joogto ah loo walaaqaa ilaa xalku si buuxda u hufan yahay oo cad yahay.
2. Waa in si tartiib ah loogu miiraa foostada isku dhafka ah. Si toos ah ha ugu darin hydroxyethyl cellulose ka loo sameeyay burooyin ama kubbado foosto isku qasan tiro badan ama si toos ah.
3. Heerkulka biyaha iyo qiimaha pH ee biyuhu waxay leeyihiin xidhiidh muhiim ah oo la xidhiidha milanka hydroxyethyl cellulose, markaa waa in fiiro gaar ah la siiyaa.
4. Waligaa ha ku darin qaar ka mid ah walxaha alkaline isku dhafka ka horhydroxyethyl cellulosebudada waxaa lagu diiriyaa biyo. Kor u qaadista qiimaha PH ka dib kululaynta waxay caawinaysaa kala dirida.
Isticmaalka HEC:
1. Guud ahaan loo isticmaalo sida wakiilka dhumuc, wakiilka ilaalinta, koollada, stabilizer iyo lagu daro diyaarinta emulsion, jel, cadar, lotion, wakiilka indhaha, suppository iyo kiniin, sidoo kale loo isticmaalo sida jel hydrophilic, qalabka qalfoofka, diyaarinta qalfoof joogto ah-sii daayo diyaarinta, iyo sidoo kale waxaa loo isticmaali karaa sida xasilinta ee cuntada.
2. Waxa loo isticmaalaa sidii wakiilka cabbirka ee warshadaha dunta, isku xidhka, dhumucyada, emulsifying, xasilinta iyo caawiyeyaasha kale ee qaybaha warshadaha iftiinka.
3. Loo isticmaalo sidii dhumucdiye iyo shaandhaynta sifaynta dareeraha qodista biyaha ku salaysan iyo dareeraha dhamaystirka, waxayna leedahay saamayn dhumuc muuqata oo ku jirta dareeraha qodista biyaha cusbada. Waxa kale oo loo isticmaali karaa sidii wakiilka xakamaynta luminta dareeraha ee sibidhka ceelka saliidda. Waxa lagu xidhi karaa ion bir polyvalent si loo sameeyo jel.
5. Alaabtan waxa loo isticmaalaa sida kala firdhiso dareere jel-biyood ku salaysan, polystyrene iyo chloride polyvinyl ee wax soo saarka saliidda. Waxa kale oo loo isticmaali karaa dhumucda emulsion ee warshadaha rinjiga, iska caabinta huurka xasaasiga ah ee warshadaha elektiroonigga ah, xakamaynta xinjirowga sibidhka iyo wakiilka ilaalinta qoyaanka ee warshadaha dhismaha. Xabagta glazing iyo cadayga ee warshadaha dhoobada. Waxa kale oo si weyn loogu isticmaalaa daabacaadda iyo rinjiyeynta, dhar-samaynta, waraaqaha, dawooyinka, nadaafadda, cuntada, sigaarka, sunta cayayaanka iyo walxaha dab-damiska.
02.Hydroxypropyl Methyl Cellulose
1. Warshadaha dahaarka: Sida dhumuc weyn, kala firdhisan iyo xasilinta warshadaha daahan, waxa ay leedahay waafaqsan wanaagsan ee biyaha ama dareerayaasha organic. sida rinji-saar.
2. Wax-soo-saarka dhoobada: si ballaaran ayaa loo isticmaalaa sida binder ee soo saarista alaabta dhoobada.
3. Kuwo kale: Alaabtan ayaa sidoo kale si weyn loogu isticmaalaa hargaha, warshadaha wax soo saarka waraaqaha, ilaalinta khudradda iyo khudaarta iyo warshadaha dharka, iwm.
4. Khadka daabacaadda: sida dhumuc weyn, kala firdhisan iyo xasiliye ee warshadaha khad, waxay leedahay waafaqid wanaagsan ee biyaha ama dareerayaasha organic.
5. Balaastik: waxaa loo isticmaalaa sidii wax-u-yeelaynta sii daynta, jilcisa, saliidaha, iwm.
6. Polyvinyl chloride: Waxaa loo isticmaalaa sida kala firdhiso soo saarista polyvinyl chloride, waana wakiilka ugu muhiimsan ee diyaarinta PVC by polymerization hakinta.
7. Warshadaha dhismaha: Sida wakiilka biyaha-haynta iyo dib-u-dejiya hoobiye sibidhka, hoobiyehu waxa uu leeyahay bamgarayn. Waxa loo isticmaalaa sida isku-xidhaha maraas-malaasta ah, gypsum, budada suufka ah ama qalabka kale ee dhismaha si loo hagaajiyo faafinta iyo u dheereeyo wakhtiga hawlgalka. Waxaa loo isticmaalaa sidii dhejis loogu talagalay dhoobada dhoobada, marmar, qurxinta caaga ah, sida kor u qaadida koollada, waxayna sidoo kale yareyn kartaa qadarka sibidhka. Haysashada biyaha ee hydroxypropyl methylcelluloseHPMCwaxay ka hortagi kartaa slurry-ka inuu dillaaco sababtoo ah engejinta degdega ah ka dib codsiga, iyo kor u qaadida xoogga ka dib qallafsanaanta.
8. Warshadaha dawooyinka: alaabta daahan; alaabta filimka; Qalabka polymer-ka ee lagu xakameynayo heerka-is-diyaarinta sii-deynta joogtada ah; xasiliyayaal; wakiilada shaqada ka joojinaya; xirmooyinka kiniinka; dharbaaxayaal.
Dabeecadda:
1. Muuqashada: budo cad ama ka baxsan.
2. Cabbirka walxaha; 100 mesh heerka kaarka mesh ayaa ka weyn 98.5%; 80 mesh heerka gudbinta mesh waa 100%. Cabbirka walxaha gaarka ah waa 40 ~ 60 mesh.
3. Heerkulka kaarboonaynta: 280-300 ℃
4. Cufnaanta muuqata: 0.25-0.70g/cm (badanaa ku dhawaad 0.5g/cm), cufnaanta gaarka ah 1.26-1.31.
5. heerkulka midabka: 190-200 ℃
6. Xiisadda dusha sare: 2% xal aqueous waa 42-56dyn/cm.
7. Solubility: ku milmay biyaha iyo qaar ka mid ah dareerayaasha, sida saamiga ku habboon ethanol/biyaha, propanol/biyaha, iwm. Xalalka aqueous ayaa korka firfircoon. Daah-furnaan sare iyo waxqabad deggan. Tilmaamaha kala duwan ee alaabadu waxay leeyihiin heerkul jel oo kala duwan, iyo milanka isbeddelka oo leh viscosity. Maqnaanshaha hoose, waa ka sii weynaanta milanka. Tilmaamaha kala duwan ee HPMC waxay leeyihiin sifooyin kala duwan. Kala dirida HPMC ee biyaha ma saamayso qiimaha pH
8. Iyada oo hoos u dhac ku yimid maadada methoxy group, barta gelku way kordhisaa, milanka biyaha ayaa hoos u dhaca, iyo dhaqdhaqaaqa dusha sare ee HPMC ayaa hoos u dhacaya.
9. HPMCWaxa kale oo uu leeyahay sifooyinka awoodda dhumucdiisuna, caabbinta milixda, budada dambaska hoose, xasilloonida pH, haynta biyaha, xasiloonida cabbirka, sifooyinka film-samaynta aad u fiican, iyo tiro balaadhan oo ah caabbinta enzyme, kala firdhisanaan iyo isku-duubni.
Waqtiga boostada: Abriil-26-2024