Kakaretso:Ho ile ha ithutoa phello ea litaba tse fapaneng tsa hydroxypropyl methylcellulose ether ho thepa ea seretse se tloaelehileng se kopantsoeng se omeletseng. Liphello li bontšitse hore: ka keketseho ea litaba tsa cellulose ether, ho tsitsa le ho tsitsa ho fokotsehile, 'me nako ea ho beha e fokotsehile. Katoloso, matla a khatello ea 7d le 28d a fokotsehile, empa ts'ebetso ea kakaretso ea seretse se omeletseng e ntlafalitsoe.
0.Selelekela
Ka 2007, makala a tšeletseng le likhomishene tsa naha li ile tsa fana ka "Tsebiso mabapi le Thibelo ea ho Kopanya Seretse Sebakeng Metseng e Meng ka Tekanyetso ea Nako". Hona joale, metse ea 127 ho pholletsa le naha e entse mosebetsi oa "ho thibela seretse se seng se le teng", se tlisitseng tsoelo-pele e e-s'o ka e e-ba teng ho nts'etsopele ea seretse se omileng. monyetla. Ka nts'etsopele e matla ea seretse se omileng se omileng 'marakeng oa kaho oa lehae le kantle ho naha, li-admixtures tse fapaneng tse omeletseng tse tsoakiloeng le tsona li kene indastering ena e ntseng e hlaha, empa lik'hamphani tse ling tsa tlhahiso ea seretse le thekiso li fetelletsa katleho ea lihlahisoa tsa bona ka boomo, li khelosa ba omileng. indasteri ea seretse se tsoakiloeng. ntshetsopele e phetseng hantle le e hlophisehileng. Hajoale, joalo ka metsoako ea konkreite, metsoako ea seretse se omeletseng e sebelisoa haholo ha e kopane, 'me ke tse' maloa tse sebelisoang li le mong. Haholo-holo, ho na le mefuta e mengata ea li-admixtures tse ling tse sebetsang tse omeletseng tse tsoakiloeng, empa ka seretse se tloaelehileng se omeletseng, ha ho hlokahale ho phehella palo ea li-admixtures, empa tlhokomelo e eketsehileng e lokela ho lefshoa ho khoneha le ho sebetsa ha eona. qoba tšebeliso e feteletseng ea li-admixtures tsa seretse, tse bakang litšila tse sa hlokahaleng, esita le ho ama boleng ba morero. Ka seretse se tloaelehileng sa motsoako o omileng, cellulose ether e bapala karolo ea ho boloka metsi, ho tiisa le ho ntlafatsa ts'ebetso ea kaho. Ts'ebetso e ntle ea ho boloka metsi e tiisa hore seretse se omeletseng se ke ke sa baka lehlabathe, phofshoana le phokotso ea matla ka lebaka la khaello ea metsi le hydration e sa fellang ea samente; phello e teteaneng e matlafatsa haholo matla a sebopeho sa seretse se metsi. Pampiri ena e etsa phuputso e hlophisitsoeng mabapi le ho sebelisoa ha cellulose ether ka seretse se tloaelehileng sa motsoako o omileng, o nang le moelelo oa tataiso bakeng sa mokhoa oa ho sebelisa metsoako ea metsoako ka mokhoa o utloahalang ka seretse se tloaelehileng se omeletseng.
1. Lisebelisoa tse tala le mekhoa e sebelisoang tlhahlobong
1.1 Lisebelisoa tse tala bakeng sa tlhahlobo
Samente e ne e le P. 042.5 samente, molora oa fofa ke Sehlopha sa II sa molora o tsoang setsing sa matla a Taiyuan, kakaretso e ntle ke lehlabathe la noka le omisitsoeng ka boholo ba 5 mm kapa ho feta, modulus ea fineness ke 2.6, le cellulose ether hydroxypropyl methyl cellulose ether e fumanehang khoebong (viscosity 12000 MPa·s).
1.2 Mokhoa oa teko
Mehlala ea ho itokisa le tlhahlobo ea ts'ebetso e entsoe ho latela mokhoa oa mantlha oa tlhahlobo ea ts'ebetso ea JCJ/T 70-2009 ea ho aha seretse.
2. Morero oa teko
2.1 Foromo ea tlhahlobo
Tekong ena, palo ea thepa e 'ngoe le e' ngoe e tala ea 1 tonne ea seretse se kopantseng se omeletseng se sebelisoa e le mokhoa oa motheo oa tlhahlobo, 'me metsi ke tšebeliso ea metsi ea 1 tonne ea seretse se omeletseng.
2.2 Moralo o khethehileng
Ha u sebelisa foromo ena, palo ea hydroxypropyl methylcellulose ether e kenyellelitsoeng ho tonne e 'ngoe le e' ngoe ea seretse se omeletseng se kopantsoeng ke: 0.0 kg/t, 0.1 kg/t, 0.2 kg/t, 0.3 kg/t, 0.4 kg/tt, 0.6 kg/ t, ho ithuta litlamorao tsa litekanyo tse fapaneng tsa hydroxypropyl methylcellulose ether mabapi le ho boloka metsi, ho ts'oana, bongata bo hlakileng, nako ea ho beha, le matla a hatellang a seretse se tloaelehileng se omeletseng se omeletseng, e le ho tataisa polase e kopaneng e omileng Tšebeliso e nepahetseng ea seretse. li-admixtures ka sebele li ka hlokomela melemo ea ts'ebetso e bonolo ea tlhahiso ea seretse se omeletseng, kaho e bonolo, ts'ireletso ea tikoloho le ho boloka matla.
3. Liphetho tsa liteko le tlhahlobo
3.1 Liphetho tsa liteko
Liphello tsa litekanyo tse fapaneng tsa hydroxypropyl methylcellulose ether ho bolokoeng ha metsi, ho tsitsana, ho teteaneng ho bonahalang, nako ea ho beha, le matla a hatellang a seretse se tloaelehileng se kopantsoeng se omeletseng.
3.2 Tshekatsheko ya diphetho
E ka bonoa ka phello ea litekanyo tse fapaneng tsa hydroxypropyl methylcellulose ether mabapi le ho boloka metsi, ho tsitsana, ho teteaneng ho bonahalang, nako ea ho beha, le matla a hatellang a seretse se tloaelehileng se kopantsoeng se omeletseng. Ka keketseho ea cellulose ether content, sekhahla sa ho boloka metsi seretse se metsi se ntse se eketseha butle-butle, ho tloha ho 86.2% ha hydroxypropyl methyl cellulose e sa kopane, ho ea ho 0.6% ha hydroxypropyl methyl cellulose e tsoakoa. Sekhahla sa ho boloka metsi se fihla ho 96.3%, se pakang hore phello ea ho boloka metsi ea propyl methyl cellulose ether e ntle haholo; ho tsitsa ho fokotseha butle-butle tlas'a phello ea ho boloka metsi ea propyl methyl cellulose ether (tšebeliso ea metsi ka tone ea seretse e lula e sa fetohe nakong ea teko); Boima bo bonahalang bo bontša mokhoa o theohelang, o bontšang hore phello ea ho boloka metsi ea propyl methyl cellulose ether e eketsa molumo oa seretse se metsi le ho fokotsa ho teteana; nako ea ho beha butle-butle e ntse e eketseha ka keketseho ea litaba tsa hydroxypropyl methyl cellulose ether, 'me litaba tsa Ha li fihla ho 0.4%, li bile li feta boleng bo boletsoeng ba 8h bo hlokoang ke maemo, ho bontša hore tšebeliso e nepahetseng ea hydroxypropyl methylcellulose ether e na le phello e ntle ea taolo nakong ea ts'ebetso ea seretse se metsi; matla a hatellang a 7d le 28d a fokotsehile (Ha tekanyo e kholoanyane, e fokotseha haholoanyane). Sena se amana le ho eketseha ha molumo oa seretse le ho fokotseha ha sekhahla se bonahalang. Ho eketsoa ha hydroxypropyl methyl cellulose ether ho ka etsa sekoti se koetsoeng ka har'a seretse se thata nakong ea ho beha le ho thatafala ha seretse. Li-micropores li ntlafatsa ho tšoarella ha seretse.
4. Litlhokomelo tsa ho sebelisoa ha cellulose ether ka seretse se tloaelehileng se omileng se omileng
1) Khetho ea lihlahisoa tsa cellulose ether. Ha re bua ka kakaretso, ho na le viscosity e kholo ea cellulose ether, ho ntlafatsa phello ea eona ea ho boloka metsi, empa ho phahama ha viscosity, ho fokotsa ho qhibiliha ha eona, e leng kotsi ho matla le ts'ebetso ea kaho ea seretse; botle ba cellulose ether bo batla bo le tlase seretseng se omileng se tsoakiloeng. Ho boleloa hore ha e le hantle, ho ba bonolo ho qhibiliha. Tlas'a tekanyo e ts'oanang, ha botle bo ntlafala, ho na le phello e ntle ea ho boloka metsi.
2) Khetho ea tekanyo ea cellulose ether. Ho tsoa liphethong tsa liteko le tlhahlobo ea phello ea litaba tsa cellulose ether mabapi le ts'ebetso ea seretse se omeletseng se kopantsoeng, ho ka bonoa hore ha litaba tsa cellulose ether li phahame, ho molemo, ho tlameha ho nahanoa ka litšenyehelo tsa tlhahiso. boleng ba sehlahisoa, ts'ebetso ea kaho le Lintlha tse 'ne tsa tikoloho ea kaho ho khetha ka botlalo litekanyetso tse nepahetseng. Tekanyo ea hydroxypropyl methyl cellulose ether ka seretse se tloaelehileng sa motsoako o omileng ka ho khetheha ke 0.1 kg / t-0.3 kg / t, 'me phello ea ho boloka metsi e ke ke ea finyella litlhoko tse tloaelehileng haeba palo ea hydroxypropyl methyl cellulose ether e eketsoa ka chelete e nyenyane. Kotsi ea boleng; tekanyo ea hydroxypropyl methyl cellulose ether ka har'a seretse se khethehileng sa ho phunya se ka bang 3 kg/t.
3) Ho sebelisoa ha cellulose ether ka seretse se tloaelehileng se omeletseng se omileng. Ha ho ntse ho etsoa seretse se tloaelehileng sa motsoako o omileng, ho ka eketsoa palo e loketseng ea motsoako, ka ho khetheha ka ho boloka metsi le phello e teteaneng, e le hore e ka theha phello ea composite superposition ka cellulose ether, ho fokotsa litšenyehelo tsa tlhahiso le ho boloka lisebelisoa. ; haeba e sebelisoa e le mong Bakeng sa cellulose ether, matla a ho kopanya a ke ke a finyella litlhoko, 'me palo e loketseng ea phofo ea latex e ka kenyelletsoang hape e ka eketsoa; ka lebaka la palo e tlase ea motsoako oa seretse, phoso ea tekanyo e kholo ha e sebelisoa e le mong. Boleng ba lihlahisoa tsa seretse tse omeletseng tse tsoakiloeng.
5. Liqeto le litlhahiso
1) Ka seretse se tloaelehileng sa plastering se omeletseng, ka keketseho ea litaba tsa hydroxypropyl methylcellulose ether, tekanyo ea ho boloka metsi e ka fihla ho 96.3%, ho tsitsisa le ho teteka ho fokotsehile, 'me nako ea ho beha e lelefalitsoe. Matla a hatellang a 28d a fokotsehile, empa ts'ebetso ea kakaretso ea seretse se omeletseng se ile sa ntlafatsoa ha litaba tsa hydroxypropyl methyl cellulose ether li ne li leka-lekane.
2) Nakong ea ho lokisa seretse se tloaelehileng se omeletseng, selulose ether e nang le viscosity e loketseng le fineness e lokela ho khethoa, 'me tekanyo ea eona e lokela ho khethoa ka tieo ka liteko. Ka lebaka la palo e tlase ea motsoako oa seretse, phoso ea tekanyo e kholo ha e sebelisoa e le mong. Ho kgothaletswa ho e kopanya le mojari pele, ebe o eketsa palo ea ho eketsa ho netefatsa boleng ba lihlahisoa tsa seretse se omeletseng.
3) Seretse se omileng se omileng ke indasteri e hlahang Chaena. Ts'ebetsong ea ho sebelisa li-admixtures tsa seretse, ha rea lokela ho phehella bongata ka bofofu, empa re ele hloko haholoanyane boleng le ho fokotsa litšenyehelo tsa tlhahiso, ho khothaletsa tšebeliso ea masala a litšila tsa indasteri, 'me kannete re fihlelle ho boloka matla le ho fokotsa tšebeliso.
Nako ea poso: Feb-22-2023