Silicone sealant kapa sekhomaretsi ke sehlahisoa se matla, se tenyetsehang se ka sebelisoang lits'ebetsong tse ngata tse fapaneng. Leha silicone sealant e se matla joalo ka li-sealant kapa likhomaretsi tse ling, silicone sealant e lula e tenyetseha, leha e se e omisitsoe ka botlalo kapafolisoa. Silicone sealant le eona e ka mamella mocheso o phahameng haholo, e etsa hore e be e loketseng lits'ebetso tse nang le mocheso o phahameng, joalo ka likhase tsa enjine.
Silicone sealant e phekotsoeng e bonts'a khanyetso e ntle ea boemo ba leholimo, khanyetso ea botsofali, khanyetso ea UV, ho hanyetsa ozone, ho hanyetsa mocheso o phahameng le o tlase, ho hanyetsa ho sisinyeha, ho hanyetsa mongobo le thepa ea ho thibela metsi; ka hona, likopo tsa eona li pharalletse haholo. Lilemong tsa bo-1990, e ne e atisa ho sebelisoa bakeng sa ho tlama le ho tiisa indastering ea likhalase, kahoo e tsejoa e le "sekhomaretsi sa khalase."
Setšoantšo se ka holimo: Silicone sealant e phekotsoeng
Setšoantšo se ka ho le letšehali: Drum packing ea silicone sealant
Silicone sealant hangata e thehiloe ho 107 (hydroxy-terminated polydimethylsiloxane), 'me e entsoe ka lisebelisoa tse kang li-polymers tse boima ba molek'hule, li-plasticizers, li-fillers, li-cross-linking agents, li-coupling agents, li-catalysts, joalo-joalo. oli, oli e tšoeu, joalo-joalo. Li-filler tse sebelisoang ka tloaelo li kenyelletsa nano-activated calcium carbonate, heavy calcium carbonate, ultrafine calcium. carbonate, silika e fumed, le lisebelisoa tse ling.
Li-silicone sealants li tla ka mefuta e fapaneng e fapaneng.
Ho ea ka mofuta oa polokelo, e arotsoe ka: likarolo tse peli (multi) le karolo e le 'ngoe.
Likarolo tse peli (tse ngata) li bolela hore silicone sealant e arotsoe ka lihlopha tse peli (kapa ho feta tse peli) likarolo tsa A le B, karolo efe kapa efe e le 'ngoe e ke ke ea etsa pheko, empa kamora hore likarolo tse peli (kapa tse fetang tse peli) li kopane, li tla kopana. hlahisa karabelo ea pheko e kopanyang ho theha li-elastomers.
Motsoako o tlameha ho etsoa hang-hang pele o o sebelisa, e leng se etsang hore mofuta ona oa silicone sealant ho be thata ho o sebelisa.
Silicone sealant le eona e ka tla e le sehlahisoa se le seng, se sa kopanngoe ho kopanngoa. Mofuta o mong oa silicone sealant oa sehlahisoa se le seng o bitsoaMocheso oa Kamore o Vulcanizing(RTV). Mofuta ona oa sealant o qala ho phekola hang ha o pepesehile moeeng - kapa, ka ho toba, mongobo o moeeng. Ka hona, hoa hlokahala hore u sebetse ka potlako ha u sebelisa RTV silicone sealant.
Karolo e le 'ngoe ea silicone sealant e ka aroloa ka hoo e ka bang: mofuta oa deacidification, mofuta oa dealcoholization, mofuta oa deketoxime, mofuta oa deacetone, mofuta oa deamidation, mofuta oa dehydroxylamine, joalo-joalo ho ea ka mefuta e fapaneng ea li-crosslinking (kapa limolek'hule tse nyenyane tse hlahisoang nakong ea phekolo) tse sebelisoang. Har'a tsona, mofuta oa deacidification, mofuta oa dealcoholization le mofuta oa deketoxime o sebelisoa haholo 'marakeng.
Mofuta oa deacidification ke methyl triacetoxysilane (kapa ethyl triacetoxysilane, propyl triacetoxysilane, joalo-joalo) e le motsoako o kopanyang, o hlahisang asiti ea acetic nakong ea phekolo, e tsejoang ka hore ke "acid glue". Melemo ea eona ke: matla a matle le pepeneneng, lebelo la ho folisa ka potlako. Mefokolo ke: monko o halefisang oa acetic acid, ho bola ha tšepe.
Mofuta oa ho noa joala ke methyl trimethoxysilane (kapa vinyl trimethoxysilane, joalo-joalo) e le motsoako o kopanyang, mokhoa oa eona oa ho phekola o hlahisa methanol, eo ka tloaelo e tsejoang e le "alcohol-type glue". Melemo ea eona ke: ts'ireletso ea tikoloho, e sa senyeheng. Mathata: lebelo la ho folisa butle, bophelo ba sethala sa polokelo bo fokola hanyane.
Mofuta oa Deketo oxime ke methyl tributyl ketone oxime silane (kapa vinyl tributyl ketone oxime silane, joalo-joalo) e le ntho e kopanyang, e hlahisang butanone oxime nakong ea ho phekola, e tsejoang haholo e le "oxime type glue". Melemo ea eona ke: ha ho monko o moholo haholo, ho khomarela hantle lisebelisoa tse fapaneng. Mefokolo: ho bola ha koporo.
Ho ea ka tšebeliso ea lihlahisoa tse arotsoeng ka: structural sealant, weather resistant sealant, monyako le fensetere sealant, sealant joint, fire-proof sealant, anti-mildew sealant, mocheso o phahameng oa sealant.
Ho ea ka 'mala oa sehlahisoa ho ea ho lintlha:' mala o tloaelehileng o motšo, o mosoeu oa porcelain, o bonaletsang, mofuta oa silevera oa 4, mebala e meng eo re ka e etsang ho latela litlhoko tsa bareki.
Ho na le mefuta e meng e fapaneng, e tsoetseng pele ea theknoloji ea silicone sealant hape. Mofuta o mong, o bitswangkhatello ea maikutlosilicone sealant, e na le "tackiness" ea ka ho sa feleng 'me e khomarela khatello ea boomo - ka mantsoe a mang, le hoja e tla lula e "khomarela," e ke ke ea khomarela haeba ho na le ntho e ka bang borashe kapa e ema khahlanong le eona. Mofuta o mong o bitsoaUV or phekolo ea mahlaselisilicone sealant, 'me e sebelisa leseli la ultraviolet ho phekola sealant. Qetellong,thermosetsilicone sealant e hloka ho pepesetsoa mocheso e le hore e fole.
Silicone sealant e ka sebelisoa lits'ebetsong tse fapaneng. Mofuta ona oa sealant o sebelisoa khafetsa lits'ebetsong tsa likoloi le tse amanang le tsona, joalo ka thuso ea ho koala enjene, ka li-gasket kapa ntle le eona. Ka lebaka la ho feto-fetoha ha maemo ho holimo, sealant e boetse ke khetho e ntle bakeng sa boithabiso bo bongata kapa mesebetsi ea matsoho.
Nako ea poso: Dec-29-2023
