1. Lebitso la sehlahisoa:
01. Lebitso la lik'hemik'hale: hydroxypropyl methylcellulose
02. Lebitso le felletseng ka Senyesemane: Hydroxypropyl Methyl Cellulose
03. Kgutsufatso ya Senyesemane: HPMC
2. Thepa ea 'mele le ea lik'hemik'hale:
01. Ponahalo: phofo e tšoeu kapa e sa soeufalang.
02. Boholo ba dikarolwana; sekgahla sa ho pasa sa letlooeng le 100 se feta 98.5%; sekgahla sa ho pasa sa letlooeng le 80 se feta 100%.
03. Mocheso oa ho fetola carbonization: 280～300℃
04. Bongata bo bonahalang: 0.25～0.70/cm3 (hangata e ka ba 0.5g/cm3), matla a khoheli a itseng 1.26-1.31.
05. Mocheso oa ho fetoha ha 'mala: 190 ～200 ℃
06. Kgatelelo ya bokahodimo: Tharollo ya metsi ya 2% ke 42 ～56dyn/cm.
07. E qhibilihang ka metsing le dihlapolli tse ding, tse kang ethanol/metsi, propanol/metsi, trichloroethane, jj. ka tekanyo e loketseng.
Litharollo tsa metsi li sebetsa holim'a metsi. Ponaletso e phahameng, ts'ebetso e tsitsitseng, mocheso oa gel oa lihlahisoa tse nang le litlhaloso tse fapaneng
Ka ho fapana, ho qhibiliha ha metsi ho fetoha ka lebaka la ho thekesela, ho thekesela ha metsi ho theoha, ho thekesela ha metsi ho ba hoholoanyane, tshebetso ya dipehelo tse fapaneng tsa hydroxypropyl methylcellulose (HPMC) e na le dipharologanyo tse itseng, ho qhalana ha hydroxypropyl methylcellulose (HPMC) ka metsing ha ho angwe ke phello ya boleng ba PH.
08. Ka ho fokotseha ha methoxyl, ntlha ea gel ea eketseha, ho qhibiliha ha metsi hoa fokotseha, 'me ts'ebetso ea bokaholimo ba hydroxypropyl methylcellulose (HPMC) le eona ea fokotseha.
09. Hydroxypropyl methylcellulose (HPMC) e boetse e na le bokgoni ba ho teteana, ho hanyetsa letswai, phofo e tlase ya molora, botsitso ba PH, ho boloka metsi, botsitso ba dibopeho, thepa e ntle ya ho etsa filimi, le mefuta e mengata ya ho hanyetsa dienzyme, dibopeho tsa ho hasana tse kang bong le ho kgomarela.
Tse tharo, litšobotsi tsa hydroxypropyl methylcellulose (HPMC):
Sehlahisoa sena se kopanya thepa e mengata ea 'mele le ea lik'hemik'hale ho ba sehlahisoa se ikhethang se nang le ts'ebeliso e mengata, 'me thepa e fapaneng ke e latelang:
(1) Ho boloka metsi: E ka boloka metsi holim'a libaka tse nang le masoba joalo ka mapolanka a samente a leboteng le litene.
(2) Ho thehoa ha filimi: E ka etsa filimi e bonaletsang, e thata le e bonolo e nang le khanyetso e ntle ea oli.
(3) Ho qhibiliha ha lintho tse phelang: Sehlahisoa se qhibiliha ka har'a metsoako e meng ea lintho tse phelang, joalo ka ethanol/metsi, propanol/metsi, dichloroethane, le sistimi ea ho qhibiliha e entsoeng ka metsoako e 'meli ea lintho tse phelang.
(4) Ho bokellana ha metsi ka mocheso: Ha tharollo ea metsi ea sehlahisoa e futhumatsoa, e tla etsa gel, 'me gel e entsoeng e tla fetoha tharollo hape kamora ho pholile.
(5) Mosebetsi wa bokahodimo: Fana ka mosebetsi wa bokahodimo tharollong ho fihlella emulsification e hlokahalang le colloid e sireletsang, hammoho le botsitso ba mokgahlelo.
(6) Ho emisoa: Ho ka thibela ho na ha dikarolwana tse tiileng, ka hona ho thibela ho thehwa ha seretse.
(7) Colloid e sireletsang: e ka thibela marotholi le dikarolwana ho kopana kapa ho hoama.
(8) Ho khomarela: E sebelisoa e le sekhomaretsi sa mebala, lihlahisoa tsa koae le lihlahisoa tsa pampiri, e na le ts'ebetso e ntle haholo.
(9) Ho qhibiliha ha metsi: Sehlahisoa se ka qhibilihisoa ka metsing ka bongata bo fapaneng, 'me mahloriso a sona a phahameng a lekanyelitsoe feela ke ho teteana.
(10) Ho se sebetse hantle ha ionic: Sehlahisoa ke ether ea cellulose e seng ionic, e sa kopaneng le letsoai la tšepe kapa li-ion tse ling ho etsa li-precipitate tse sa qhibiliheng.
(11) Ho tsitsa ha asiti le motheo: ho loketse ho sebediswa ka hara mefuta e pakeng tsa PH3.0-11.0.
(12) Ha li na tatso ebile ha li na monko, ha li angoe ke metabolism; li sebelisoa e le lijo le li-additives tsa meriana, li ke ke tsa fetoloa hore li sebelisoe lijong 'me li ke ke tsa fana ka lik'hilojule.
4. Mokhoa oa ho qhaqha ha Hydroxypropyl methylcellulose (HPMC):
Ha dihlahiswa tsa hydroxypropyl methylcellulose (HPMC) di eketswa ka ho toba metsing, di tla hoama ebe di a qhibiliha, empa ho qhibiliha hona ho lieha haholo ebile ho thata. Ho na le mekgwa e meraro e sisintsweng ya ho qhibiliha ka tlase, mme basebedisi ba ka kgetha mokgwa o bonolo ka ho fetisisa ho latela tshebediso ya bona:
1. Mokhoa oa metsi a chesang: Kaha hydroxypropyl methylcellulose (HPMC) ha e qhibilihe ka metsing a chesang, mohato oa pele oa hydroxypropyl methylcellulose (HPMC) o ka hasana ka ho lekana ka metsing a chesang, ebe ha o se o pholile, mekhoa e meraro e tloaelehileng e hlalosoa ka tsela e latelang:
1). Kenya metsi a chesang a hlokahalang ka setshelong 'me u a futhumatse ho fihlela ho 70°C. Butle-butle eketsa hydroxypropyl methylcellulose (HPMC) tlas'a ho hlohlelletsa butle, hydroxypropyl methylcellulose (HPMC) e qala ho phaphamala holim'a metsi, ebe butle-butle e etsa slurry, e pholise slurry tlas'a ho hlohlelletsa.
2). Chesa 1/3 kapa 2/3 (bongata bo hlokahalang) ba metsi ka setshelong 'me u se chese ho fihlela ho 70°C. Ho ea ka mokhoa oa 1), hasanya hydroxypropyl methylcellulose (HPMC) ho lokisa slurry ea metsi a chesang Ebe u eketsa metsi a batang kapa metsi a leqhoa a setseng ka setshelong, ebe u eketsa slurry ea metsi a chesang a hydroxypropyl methylcellulose (HPMC) e boletsoeng ka holimo metsing a batang, 'me u hlohle, ebe u pholile motsoako.
3). Kenya 1/3 kapa 2/3 ea metsi a hlokahalang ka setshelong 'me u a futhumatse ho fihlela ho 70°C. Ho ea ka mokhoa oa 1), hasanya hydroxypropyl methylcellulose (HPMC) ho lokisa slurry ea metsi a chesang; Metsi a batang kapa a leqhoa a setseng a eketsoa slurry ea metsi a chesang 'me motsoako oa pholisoa ka mor'a ho hlohlelletsa.
2. Mokhoa oa ho kopanya phofo: likaroloana tsa phofo ea hydroxypropyl methylcellulose (HPMC) le metsoako e meng e lekanang kapa e mengata ea phofo li qhalanngoa ka botlalo ka ho kopanya ka omileng, ebe li qhalanngoa ka metsing, ebe hydroxypropyl methylcellulose Base cellulose (HPMC) e ka qhalanngoa ntle le ho kopana. 3. Mokhoa oa ho kolobisa tharollo ea tlhaho: hydroxypropyl methylcellulose (HPMC) e qhalanngoang pele kapa e kolobisoang ka metsoako ea tlhaho e kang ethanol, ethylene glycol kapa oli, ebe e qhalanngoa ka metsing. Nakong ena, hydroxypropyl methylcellulose (HPMC) le eona e ka qhalanngoa hantle.
5. Tšebeliso e ka sehloohong ea hydroxypropyl methylcellulose (HPMC):
Hydroxypropyl methylcellulose (HPMC) e ka sebelisoa e le ntho e tenyang, e qhalakanyang, emulsifier le e etsang filimi. Lihlahisoa tsa eona tsa maemo a indasteri li ka sebelisoa lik'hemik'haleng tsa letsatsi le letsatsi, lisebelisoa tsa elektroniki, li-resin tsa maiketsetso, kaho le lipente.
1. Polymerization ea ho emisoa:
Tlhahisong ea li-resin tsa maiketsetso tse kang polyvinyl chloride (PVC), polyvinylidene chloride le li-copolymer tse ling, polymerization ea ho emisoa e sebelisoa haholo 'me ea hlokahala ho tsitsisa ho emisoa ha li-monomer tsa hydrophobic ka metsing. Jwalo ka polymer e qhibilihang ka metsing, lihlahisoa tsa hydroxypropyl methylcellulose (HPMC) li na le ts'ebetso e ntle ea bokaholimo 'me li sebetsa e le moemeli oa tšireletso oa colloidal, o ka thibelang ho bokellana ha likaroloana tsa polymer ka katleho. Ho feta moo, leha hydroxypropylmethylcellulose (HPMC) e le polymer e qhibilihang ka metsing, e boetse e qhibiliha hanyane ka har'a li-monomer tsa hydrophobic 'me e eketsa porosity ea li-monomer tseo likaroloana tsa polymeric li hlahisoang ho tsona, e le hore e ka khona E fa li-polymer bokhoni bo botle ba ho tlosa li-monomer tse setseng le ho ntlafatsa ho monngoa ha li-plasticizer.
2. Moetsong oa thepa ea kaho, hydroxypropyl methylcellulose (HPMC) e ka sebelisoa bakeng sa:
1). Sesebediswa sa ho kgomarela le ho kwala bakeng sa theipi ya ho kgomarela e thehilweng hodima gypsum;
2). Ho kopanngoa ha litene, lithaele le metheo e thehiloeng samenteng;
3). Stucco e entsoeng ka plasterboard;
4). Polasetara ea sebopeho e thehiloeng samenteng;
5). Ka mokhoa oa ho tlosa pente le pente.
Nako ea poso: Mots'eanong-24-2023