Ts'ebetso le ts'ebeliso ea cellulose ether lisebelisoa tsa moaho tsa ts'ireletso ea tikoloho
Cellulose etherke polymer e seng ea ionic semi-synthetic, e qhibilihang ka metsing ebile e qhibiliha ka bobeli, indastering e fapaneng e bakoang ke karolo e fapaneng, joalo ka lisebelisoa tsa moaho tsa lik'hemik'hale, e na le phello e kopaneng:
① sesebelisoa sa ho boloka metsi
② motenya
③ ho leka-lekanya
④ ho etsa lifilimi
⑤ setlamo;
Ka indasteri ea PVC, ke emulsifier, dispersant;Lefapheng la meriana, ke mofuta oa lintho tse tlamang le tse liehang ho lokolloa ha masapo, hobane cellulose e na le litlamorao tse fapaneng, ka hona ke tšimo e sebelisoang haholo.Ka tlase ke tsepamisa maikutlo ho sebelisoa ha cellulose ether ho thepa ea mohaho ea tšireletso ea tikoloho le karolo.
1. pente ea latex
Moleng oa pente ea latex, ho khetha selulose ea hydroxyethyl, tlhaloso e akaretsang ea viscosity ke RT3000-50000cps, tekanyo ea litšupiso ka kakaretso ke 1.5 ‰-2 ‰.Karolo e ka sehloohong ea hydroxyethyl 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 likarolo, ho kenya letsoho mosebetsing oa ho haha mohaho: Hydroxyethyl cellulose e bonolo ho e sebelisa, e ka qhibiliha ka metsing a batang le a chesang, 'me ha e ame boleng ba PH, e ka sebelisoa lipakeng tsa PH ea 2 le 12, tšebeliso ea mekhoa e meraro e latelang:
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I. Kenya ka ho toba:
Bakeng sa mokhoa ona, mofuta o liehang oa hydroxyethyl cellulose - hydroxyethyl cellulose e nang le nako ea ho qhibiliha ea metsotso e fetang 30 e lokela ho khethoa.Tsamaiso ke ka tsela e latelang: (1) ho ba le phahameng lokela ho khaola blender setshelo le bongata metsi a hloekileng (2) batho ba ile ba qala ho lieha susumetsang maikutlo a sa khaotseng, ka nako e tšoanang butle eketsa hydroxyethyl evenly ho tharollo ea (3) tsoela pele ho hlohlelletsa ho fihlela bohle. metsi granular lintho tse bonahalang (4) ho kopanya additives tse ling le alkaline additives (5) hlohlelletsa ho fihlela ka ho feletseng qhibiliha tsohle hydroxyethyl, eketsa likarolo tse ling tsa foromo, sila ho sehlahisoa se felile.
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ⅱ.E na le joala ba 'mè:
Mokhoa ona o ka khetha selulose e qhibilihang ka potlako, 'me e na le tšoaetso ea hlobo.Molemo oa mokhoa ona ke ho ba le ho feto-fetoha ho hoholo, ho ka kopanya pente ea emulsion ka ho toba, ho etsa mokhoa o ts'oanang le ①–④ mohato o ts'oanang.
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ⅲ, e nang le motoho bakeng sa tšebeliso:
Kaha li-solvents ke li-solvents tse futsanehileng (tse sa tsitsang) bakeng sa hydroxyethyl, li ka sebelisoa ho lokisa motoho.Li-solvents tse sebelisoang ka ho fetesisa ke li-organic liquids tse entsoeng ka pente ea latex, joalo ka ethylene glycol, propylene glycol le li-agent tsa ho etsa lifilimi (joalo ka diethylene glycol butyl acetate), porridge hydroxyethyl cellulose e ka eketsoa ka kotloloho penteng, kamora ho eketsa, tsoela pele ho sisinya ho fihlela e qhibiliha ka ho feletseng.
2. ho phunya lebota putty
Hona joale, Chaena e ka har'a metse e mengata ea ho hanyetsa metsi, ho hanyetsa swab ea putty ea tšireletso ea tikoloho ho nkoa ka botebo ke batho, lilemong tse 'maloa tse fetileng, hobane putty e entsoeng ka sekhomaretsi se hlahisa tšenyo ea khase ea formaldehyde bophelong ba batho. Sekhomaretsi se entsoe ka joala ba polyvinyl le formaldehyde acetal reaction.Kahoo thepa ena butle-butle e felisoa ke batho, 'me ho nkeloa sebaka ha thepa ena ke cellulose ether letoto la lihlahisoa, ke ho re, ntshetsopele ea thepa ea ho haha ea tšireletso ea tikoloho, selulose ke mofuta o le mong feela oa thepa hona joale.
Ka har'a putty e thibelang metsi e arotsoe ka mefuta e 'meli ea phofo e omileng le putty peste, mefuta e' meli ea putty hangata e khetha mefuta e 'meli ea methyl cellulose le hydroxypropyl methyl mefuta e' meli, litlhaloso tsa viscosity hangata li 3000-60000cps lipakeng tsa tse nepahetseng ka ho fetisisa, karolong e kholo ea cellulose ka putty ke ho boloka metsi, bonding, 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 bobebe, samente e tšoeu, tse ling ke phofo ea gypsum, calcium e bohlooho, khalsiamo e khanyang, joalo-joalo. ha li tšoane, kakaretso ea ho eketsa ke 2 ‰ -3 ‰ kapa joalo.
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 thepa ea ho tlatsa, haholo-holo boleng ba khalsiamo e bohlooho le bona bo bohlokoa haholo.Ka lebaka la viscosity e phahameng ea selulose, e boetse e matlafatsa boea ba 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 khetha ho eketsa hydroxypropyl methyl cellulose kapa methyl cellulose, viscosity specifikation pakeng tsa 20000-60000cps, ho eketsa palo. ea 2 ‰–3 ‰ kapa joalo, sekhahla sa ho boloka metsi se ka eketsoa ho feta 85%, ka mokhoa oa tšebeliso ea konkreite ea seretse bakeng sa phofo e omileng e kopantsoeng ka mor'a ho eketsa metsi.
4. pente gypsum, bonding gypsum, caulking gypsum
Ka nts'etsopele e potlakileng ea indasteri ea kaho, tlhoko ea batho ea lisebelisoa tse ncha tsa moaho le eona 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 cementitious e bile tsoelo-pele e potlakileng.Hajoale thepa e tloaelehileng ka ho fetesisa ea gesso e na le stucco gesso, caking gesso, set gesso, mochini oa ho etsa lithaele ho ema.
Plaster ke mofuta o babatsehang oa boleng ba ka hare lerako le marulelo plastering lintho tse bonahalang, ka eona ho hlakola lerako tiea le boreleli, u se ke ua theola phofo, 'me bond bond ka tieo, ha ho cracking tima ketsahalo,' me o na le mosebetsi oa ho thibela mollo;Adhesive Gypsum ke mofuta o mocha oa sekhomaretsi sa mabone a moaho, gypsum joalo ka lisebelisoa tsa motheo, hammoho le li-additives tse fapaneng le tse entsoeng ka thepa e khomarelang, e loketse mefuta eohle ea maqhama a marako, a se nang chefo, a sa latsoeheng, a pele. matla le ho beha ka potlako, ho tlamahane ke boto ea mohaho, lisebelisoa tse tšehetsang mohaho oa li-block;Setsi sa ho tlatsa seam sa Gypsum ke poleiti ea gypsum lipakeng tsa lisebelisoa tse tlatsang lekhalo le lebota, ho tlatsa ho lokisa mapetso.
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 ho bapala karolo, taba ea bohlokoa ke hore li-additives tsa cellulose ether li bapala karolo e ka sehloohong.Ka lebaka la gesso cent ha e na metsi gesso le lisente tse halofo ea metsi gesso, fapaneng gesso e fapane le phello ea tshebetso ya sehlahiswa, eketsa e le teteaneng, sireletsa metsi, butle coagulate boleng etsa qeto ea thepa ea mohaho gesso.Bothata bo atileng ba lisebelisoa tsena ke ho phatloha ho hoholo ha moqomo, matla a pele ha a fihlelle ho rarolla bothata bona, ke ho khetha mofuta oa selulose le bothata ba tšebeliso ea motsoako oa motsoako, ntlheng ena, khetho e akaretsang ea methyl kapa hydroxypropyl methyl. 30000–60000cps, ho eketsa chelete ke 1.5 ‰–2 ‰ pakeng tsa, sepheo sa cellulose ke ho boloka metsi le ho fokotsa lubrication.
Leha ho le joalo, ho sena ho itšetleha ka selulose ether e le retarder e sa ho fihlela, e boetse e lokela ho eketsa citric acid retarder ka mor'a ho sebelisa e tsoakiloeng ke ke ama matla a pele.
Sekhahla sa ho boloka metsi ka kakaretso se bolela palo ea tahlehelo ea metsi a tlhaho ha ho monya metsi ka ntle.Haeba lerako le omme, bokaholimo ba motheo bo monya metsi 'me mouoane oa tlhaho o etsa hore thepa e lahleheloe ke metsi ka potlako, hape ho tla ba le moropa o se nang letho le ketsahalo e phunyehang.
Mokhoa ona oa tšebeliso ke ho kopanya phofo e omileng, haeba ho lokisoa ha tharollo ho ka bolela mokhoa oa ho lokisa tharollo.
5. seretse sa insulation
Seretse sa ho kenya mocheso ke mofuta o mocha oa thepa ea ka hare ea lebota la mocheso karolong e ka leboea ea 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 10000eps) e khethoa, 'me tekanyo e tloaelehileng e pakeng tsa 2 ‰ le 3‰.Mokhoa oa tšebeliso ke ho kopanya phofo e omileng.
6. moemeli oa sebopeho
Moemeli oa sehokelo ke HPMC20000cps, setlamo sa lithaele se feta 60000cps, mme sebopeho sa sebopeho se sebelisoa haholo joalo ka motenya, se ka ntlafatsang matla a thata le matla a motsu.
Nako ea poso: Jan-27-2022