Cellulose ether ke mofuta oa polymer e seng ea ionic semi-synthetic, e nang le ho qhibiliha ha metsi le ho solvability ea mefuta e 'meli, liindastering tse fapaneng tse bakoang ke karolo e fapaneng, joalo ka thepa ea kaho ea lik'hemik'hale, e na le litlamorao tse latelang tse kopaneng: ① ho boloka metsi. moemeli ② thickening moemeli ③ leveling ④ filimi sebopeho ⑤ binder; Ka indasteri ea polyvinyl chloride, ke emulsifier, dispersant; Lefapheng la meriana, ke mofuta oa li-binder le tse tsamaeang butle le tse laoloang, hobane cellulose e na le litlamorao tse fapaneng, ka hona, ke tšimo e sebelisoang haholo. Mona ke tsepamisa maikutlo ho sebelisoa ha cellulose ether ka thepa ea mohaho ea tšireletso ea tikoloho le karolo.
1, pente ea latex
Moleng oa pente oa LATEX, u batla ho KHETHA hydroxyethyl cellulose, tlhaloso e akaretsang ea viscosity ke RT30000- 50000CPS, chelete ea litšupiso ka kakaretso ke 1.5 ‰ -2 ‰ mahlakoreng a ka ho le letšehali le ka ho le letona. Karolo e ka sehloohong ea hydroxyethyl ka pente ea latex ke ho teteaneng, ho thibela pigment gelation, ho kenya letsoho ho qhalaneng ha pigment, latex, botsitso, 'me e ka ntlafatsa viscosity ea likaroloana, ho kenya letsoho mosebetsing oa ho haha mohaho: Hydroxyethyl cellulose e bonolo ho e sebelisa, e batang. le metsi a chesang a ka qhibiliha, 'me ha a amehe ke boleng ba PH, pakeng tsa PH 2 le 12 e ka sebelisoa, tšebeliso ea mekhoa e meraro e latelang:
I. Kenya ka ho toba:
Mokhoa ona o lokela ho khetha mofuta oa hydroxyethyl cellulose lieha - nako e qhibilihisitsoeng ea metsotso e fetang 30 ea hydroxyethyl cellulose, mehato ea tšebeliso ea eona ke e latelang: (1) ho ba le sejana se phahameng se lokela ho khaola blender le metsi a mangata a hloekileng (2) batho ba ile ba qala ho lieha ho sisinyeha ho sa khaotse. , ka nako e ts'oanang butle butle eketsa hydroxyethyl ka mokhoa o ts'oanang ho tharollo ea (3) tsoela pele ho sisinyeha ho fihlela lisebelisoa tsohle tse metsi tsa granular (4) ho kopanya lisebelisoa tse ling le lisebelisoa tsa alkaline (5) hlohlelletsa ho fihlela hydroxyethyl e qhibiliha ka ho feletseng, eketsa likarolo tse ling tsa foromo. , ho sila ho sehlahisoa se felileng.
ⅱ, e na le tahi e emeng:
Mokhoa ona o ka khetha mofuta oa hang-hang, 'me o na le hlobo - phello ea bopaki ba selulose. Mokhoa ona o na le monyetla oa ho feto-fetoha ha maemo, o ka kenyelletsoa ka kotloloho ho pente ea latex, mokhoa oa ho itokisa o tšoana le mehato ea ①- ④.
ⅲ. Sebeletsa ka motoho:
Hobane metsoako ea tlhaho e sa ratehe (ha e qhibilihe) ho hydroxyethyl, e ka sebelisoa ho etsa motoho. SE TLOAELEHILENG HO SEBELISA ORGANIC SOLVENT KE MOLETSI OA ORGANIC HO LATEX PAINT FORMULA, E JOALOKA GLYCOL, PROPYLENE GLYCOL LE FILM-forming AGENTE (E JOALOKA DIETHYLENE glycol butyl acetic acid GREASE), CELLULOSE OF HYDROXAFTERILY MEDICAL MEDICAL INING E NTSE E TSOELA PELE HO HLAHALA KA HO PHETHAHETSENG HO FIHLELA HAjoale.
2, ho hohola putty ea lebota
Hajoale, mofuta oa tšireletso ea tikoloho putty, o hananang le metsi ebile o sa khone ho hohloa metseng e mengata, batho ba 'nile ba o ela hloko. Lilemong tse 'maloa tse fetileng, hobane putty e entsoeng ka sekhomaretsi sa moaho e hlahisa khase ea formaldehyde ho senya bophelo ba batho, sekhomaretsi sa moaho se entsoe ka joala ba polyvinyl le formaldehyde bakeng sa karabelo ea acetal. Ka hona, boitsebiso bona butle-butle bo felisoa ke batho, 'me ho nkeloa sebaka ha thepa ena ke lihlahisoa tsa letoto la cellulose ether, ke ho re, nts'etsopele ea thepa ea mohaho oa tšireletso ea tikoloho, selulose ke mofuta o le mong feela oa thepa.
Ka har'a li-putty tse thibelang metsi li arotsoe ka mefuta e 'meli ea putty e ommeng le putty paste, mefuta ena e' meli ea putty ka kakaretso e batla ho khetha mefuta e 'meli ea methyl cellulose le hydroxypropyl methyl, litlhaloso tsa viscosity hangata li pakeng tsa 3000-60000CPS tse nepahetseng ka ho fetisisa. Karolo ea selulose ka putty ke ho boloka metsi, tlamahano, lubrication, joalo-joalo.
Hobane sebopeho sa putty sa moetsi e mong le e mong ha se tšoane, tse ling ke khalsiamo e bohlooho, k'halsiamo e khanyang, samente e tšoeu, tse ling ke phofo ea gypsum, calcium e bohlooho, khalsiamo e khanyang, kahoo li-viscosity le ho kenngoa ha selulose ea liforomo tse peli ha li tšoane. , kakaretso ea ho eketsa e ka ba 2 ‰-3 ‰.
Lerakong le hlabang le tenehe ke kaho ea bana, motheo oa lerako o na le monyetla o itseng (lebota la litene la sekhahla sa lebelo le leholo e ne e le 13%, konkreite ke 3-5%), hammoho le mouoane oa lefatše le kantle, kahoo haeba o jeoa ke bolutu ke ngoana. tahlehelo ea metsi ka potlako haholo, e ne e tla lebisa ho petsoha kapa ketsahalo e kang peo e phofo, e le hore matla a putty a fokotsehe, ka hona, ka mor'a ho ikopanya le cellulose ether e tla rarolla bothata bona. Empa boleng ba ho tlatsa, haholo-holo molora oa calcium, le bona bo bohlokoa haholo. Ka lebaka la viscosity e phahameng ea cellulose, e boetse e ntlafatsa matla a phaphametseng a putty, 'me e qoba ts'ebetso ea phallo e leketlileng mohahong,' me e phutholohile ebile e pholosa mosebetsi ka mor'a ho senya.
3, seretse sa konkreite
Ka seretse sa konkreite, e hlile e finyella matla a ho qetela, e tlameha ho etsa hore samente e be matla a ho itšoara ka ho feletseng, haholo-holo nakong ea lehlabula, ha ho hahoa tahlehelo ea metsi a konkreite ea seretse ka ho feletseng, mehato e nang le hydrated ka ho feletseng ka ho phekola metsi, mokhoa ona ke tšenyo ea mohloli oa metsi. ts'ebetso e sa thabiseng, senotlolo se holim'a metsi, metsi le hydration e ntse e se ka ho feletseng, kahoo litsela tsa ho rarolla bothata bona, Ka konkreite ea seretse ka kakaretso e khetha ho eketsa hydroxypropyl methyl cellulose kapa methyl cellulose, litlhaloso tsa viscosity pakeng tsa 20000- 60000CPS, eketsa hoo e ka bang 2 ‰–3 ‰, sekhahla sa ho boloka metsi se ka eketsoa ho feta 85%, tšebeliso ea konkreite ea seretse bakeng sa phofo e omileng e kopantsoeng ka mor'a ho eketsa metsi e ka ba.
4, gypsum ea pente, gypsum e khomarelang, gypsum ea caulking
Ka nts'etsopele e potlakileng ea indasteri ea kaho, tlhoko ea batho ea thepa e ncha ea moaho e ntse e eketseha letsatsi le letsatsi, ka lebaka la keketseho ea tlhokomeliso ea batho mabapi le ts'ireletso ea tikoloho le ntlafatso e tsoelang pele ea katleho ea kaho, lihlahisoa tsa gypsum tsa thepa ea samente li ntlafalitsoe ka potlako. Hona joale lihlahisoa tse tloaelehileng tsa gypsum li na le gypsum ea stucco, gypsum e kopantsoeng, gypsum e kentsoeng, tile binder.
Stucco plaster ke mofuta o motle oa lerako la ka hare le marulelo a marulelo a marulelo, ka ho hlakola lerako le boreleli ebile le boreleli, eseng phofo, tlamahano e tiileng le motheo, ha ho na ntho e senyang, 'me e na le ts'ireletso ea mollo; Gypsum e khomarelang ke mofuta o mocha oa setlamo sa lebone la moaho, ke gypsum e le thepa ea motheo, e eketsang mefuta e fapaneng ea li-additives le tse entsoeng ka sekhomaretsi, e loketse mefuta eohle ea thepa ea lerako la moaho lipakeng tsa bond, e nang le tse se nang chefo, tatso e sa latsoeheng, matla a pele a ho itima lijo, bonding le litšoaneleho tse ling, ke boto ea moaho, lisebelisoa tse tšehetsang kaho ea block; Gypsum sealant ke ho tlatsa lekhalo pakeng tsa lipoleiti tsa gypsum le ho lokisoa ha lebota le mapetsong.
Lihlahisoa tsena tsa gypsum li na le mefuta e mengata ea mesebetsi e fapaneng, ho phaella ho gypsum le li-fillers tse amanang le tsona li bapala karolo, taba ea bohlokoa ke hore li-additives tsa cellulose ether li bapala karolo e ka sehloohong. Hobane GESSO E AROLOTSWE KA BOKGARENG BA ANHYDROUS GESSO LE HEMIHYDRATE GESSO, FAPANENG YA GESSO E FAPANENG LE TSEBETSI YA SEHLAHISO, HO TENYA KA JALO, HO BOLOKA METSI, HO PHETHA butle ke HO ETSA QETO BOTHO BA MASTERIA BUILDING. Bothata bo tloaelehileng ba lisebelisoa tsena ke ho phatloha ha moqomo o se nang letho, matla a pele ha a fihle ho bothata bona, ho rarolla bothata bona, ke ho khetha mofuta oa selulose le bothata ba tšebeliso ea motsoako oa retarder, tabeng ena, khetho e akaretsang ea methyl kapa hydroxypropyl methyl cellulose HPMC 30000– 60000CPS, eketsa pakeng tsa 1.5 ‰–2 ‰, selulose ho tloha moo ho tsepamisitsoeng maikutlo teng ke ho boloka metsi ho thibela lubrication.
Leha ho le joalo, ts'ebetsong ena, ho ke ke ha khoneha ho itšetleha ka cellulose ether e le retarder, 'me retarder ea citric acid e tlameha ho kenngoa motsoako e le hore matla a pele a se ke a ameha.
Sekhahla sa ho boloka metsi ka kakaretso se bolela palo ea tahlehelo ea metsi a tlhaho ntle le ho monngoa ha metsi ka ntle. Haeba lerako le omme, ho kenngoa ha metsi holim'a metsi le mouoane oa tlhaho ho etsa hore thepa e lahleheloe ke metsi ka potlako, 'me ho tla boela ho be le moropa o se nang letho le ketsahalo e phunyehang.
Mokhoa ona oa ho sebelisa phofo e ommeng e tsoakiloeng, haeba tharollo e ka bua ka mokhoa oa ho lokisa tharollo.
5. Seretse se sireletsang mocheso
Seretse sa ho kenya mocheso ke sesebelisoa se secha sa marako se ka leboea ho China. Ke thepa ea lerako e entsoeng ka thepa ea ho kenya mocheso, seretse le binder. Tabeng ena, cellulose e phetha karolo ea bohlokoa ho tlamahaneng le ho eketsa matla. Ka kakaretso, methyl cellulose e nang le viscosity e phahameng (hoo e ka bang 10000cps) e khethoa, 'me tekanyo e tloaelehileng e pakeng tsa 2 ‰ le 3‰. Mokhoa ke mokhoa oa ho kopanya phofo e omileng.
6, moemeli oa sebopeho
Khetho ea li-interface agent HPMC20000cps, khetho ea lithaelese tse fetang 60000CPS, ka har'a sehokelo sa li-interface tse shebaneng le motenya, e ka ntlafatsa matla a thata le matla a motsu le litlamorao tse ling.
Nako ea poso: Aug-30-2022