PPO
Ts'ebetso ea PPO
Polyphenylether ke poly2, 6-dimethyl-1, 4-phenylether, e tsejoang hape e le polyphenyloxy, Polyphenyleneoxiole (PPO), e fetotsoeng polyphenylether e fetotsoe ke polystyrene kapa li-polymers tse ling (MPPO).
PPO ke mofuta oa polasetiki ea boenjiniere e nang le ts'ebetso e phethahetseng e felletseng, boima bo phahameng ho feta PA, POM, PC, matla a phahameng a mochini, ho tiea hantle, ho hanyetsa mocheso o matla (mocheso oa deformation oa 126 ℃), botsitso bo phahameng ba sebopeho (sekhahla sa shrinkage sa 0.6%). , sekhahla sa ho monya metsi se tlase (tlase ho 0.1%).Bothata ke hore UV ha e tsitsa, theko e phahame 'me chelete e nyenyane.PPO ha e na chefo, e pepeneneng, e batla e le nyane haholo, e na le matla a matla a mochini, ho hanyetsa khatello ea maikutlo, ho hanyetsa maqhubu, ho hanyetsa mocheso, ho hanyetsa metsi, ho hanyetsa mouoane oa metsi.
Ka mefuta e mengata ea mocheso, mefuta e fapaneng ea maqhubu a ts'ebetso e ntle ea motlakase, ha e na hydrolysis, ho etsa sekhahla sa ho fokotseha ho nyane, ho ka chesoa ka mollo, ho hanyetsa inorganic acid, alkali, monko o monate oa hydrocarbon, halogenated hydrocarbon, oli le ts'ebetso e 'ngoe e mpe, ho ruruha habonolo kapa khatello ea maikutlo, tšitiso e kholo ke ho haella ha metsi, ho sebetsa le ho theha mathata, boholo ba ts'ebeliso e sebetsang ea MPPO (PPO blend kapa alloy).
Litšobotsi tsa ts'ebetso ea PPO
PPO e na le viscosity e phahameng ea ho qhibiliha, metsi a fokolang le maemo a phahameng a ts'ebetso.Pele o sebetsoa, ho hlokahala hore o omelle lihora tse 1-2 ka mocheso oa 100-120 ℃, ho theha mocheso ke 270-320 ℃, taolo ea mocheso oa hlobo e loketse ho 75-95 ℃, 'me ho etsoa ts'ebetso tlas'a boemo ba "phahameng. mocheso, khatello e phahameng le lebelo le phahameng”.Ts'ebetsong ea tlhahiso ea biri ena ea polasetiki, mokhoa oa ho phalla ha jet (mohlala oa noha) o bonolo ho hlahisoa ka pel'a molomo, 'me mocha oa phallo ea nozzle o molemo.
Botenya bo fokolang bo tloha ho 0.060 ho isa ho 0.125 inches bakeng sa likarolo tse bōpiloeng tse tloaelehileng le 0.125 ho 0.250 inches bakeng sa likarolo tsa foam tsa sebopeho.The flammability ranges ho tloha UL94 HB ho ea VO.
Mofuta o tloaelehileng oa lisebelisoa
PPO le MPPO li sebelisoa haholo lisebelisoa tsa elektroniki, likoloi, lisebelisoa tsa ntlo, lisebelisoa tsa ofisi le mechini ea indasteri, joalo-joalo, li sebelisa ho hanyetsa mocheso oa MPPO, ho hanyetsa tšusumetso, botsitso ba dimensional, ho hanyetsa abrasion, ho hanyetsa flaking;
PC
Ts'ebetso ea PC
PC ke mofuta oa lipolasetiki tsa boenjiniere tse se nang sebopeho, tse se nang monko, tse se nang chefo, tse bonaletsang haholo tse se nang 'mala kapa tse mosehla hanyenyane, tse nang le thepa e ntle ea' mele le ea mochini, haholo-holo ho hanyetsa tšusumetso, matla a phahameng a tsitsipano, matla a ho kobeha, matla a khatello;Matla a matle, mocheso o motle le ho hanyetsa boemo ba leholimo, 'mala o bonolo, ho monya metsi a tlase.
Thermal deformation mocheso oa PC ke 135-143 ℃, creep e nyane mme boholo bo tsitsitse.E na le mocheso o motle le ho hanyetsa mocheso o tlaase, thepa e tsitsitseng ea mochine, botsitso ba dimensional, thepa ea motlakase le ho thibela lelakabe ka har'a mocheso o pharaletseng.E ka sebelisoa nako e telele ho -60 ~ 120 ℃.
E tsitsitse ho khanya, empa e sa hanyetsane le leseli la UV, ho hanyetsa boemo ba leholimo bo botle;Ho hanyetsa oli, ho hanyetsa asiti, khanyetso ea alkali, asiti ea oxidation le amine, ketone, e qhibilihang ka har'a li-hydrocarbon tse chlorinated le li-solvents tse nkhang hamonate, li thibela litšobotsi tsa baktheria, litšoaneleho tse thibelang lelakabe le ho hanyetsa tšilafalo, nako e telele ka metsing ho baka hydrolysis le ho phatloha, bothata ke ka lebaka la matla a fokolang a mokhathala, ho bonolo ho hlahisa khatello ea maikutlo, ho hanyetsa ha solvent, ho fokola ha metsi, ho se mamelle ho apara.Ho bopa ka ente ea PC, extrusion, ho bopa, ho bopa ho otla, ho hatisa, ho tlama, ho roala le ho etsa machining, mokhoa oa bohlokoa ka ho fetisisa oa ho sebetsa ke ho bopa ente.
Litšobotsi tsa ts'ebetso ea PC
Lisebelisoa tsa PC li na le maikutlo a mocheso haholoanyane, li-viscosity tsa eona tse qhibilihang ka ho eketseha ha mocheso 'me li fokotsehile haholo, phallo e potlakileng, e sa tsotelleng khatello, e le ho ntlafatsa mokelikeli oa eona, ho nka mokhoa oa ho futhumatsa.Lisebelisoa tsa PC pele li sebetsoa ho omella ka botlalo (lihora tse 120 ℃, 3 ~ 4), mongobo o lokela ho laoloa ka hare ho 0.02%, ts'ebetso ea metsi ka mocheso o phahameng e tla etsa hore lihlahisoa li hlahise 'mala o mobe, silevera le li-bubble, PC ka mocheso oa kamore e na le bokhoni bo bongata. ho qobella deformation e phahameng ea elastic.Matla a matla a phahameng, kahoo e ka ba ho hatella ho batang, ho toroea ho batang, ho hatella moqolo o batang le mokhoa o mong oa ho etsa serame.Lisebelisoa tsa PC li lokela ho bōptjoa tlas'a maemo a mocheso o phahameng oa thepa, mocheso o phahameng oa hlobo le khatello e phahameng le lebelo le tlaase.Bakeng sa sprue e nyane, ente ea lebelo le tlase e lokela ho sebelisoa.Bakeng sa mefuta e meng ea sprue, ente ea lebelo le phahameng e lokela ho sebelisoa.
Taolo ea mocheso oa hlobo ka 80-110 ℃ e molemo, ho etsa mocheso ka 280-320 ℃ ho loketse.
Mofuta o tloaelehileng oa lisebelisoa
Libaka tse tharo tsa kopo ea PC ke indasteri ea ho kopanya likhalase, indasteri ea likoloi le lisebelisoa tsa elektronike, indasteri ea motlakase, e lateloa ke likarolo tsa mechine ea indasteri, optical disc, liaparo tsa sechaba, k'homphieutha le lisebelisoa tse ling tsa ofisi, tlhokomelo ea bongaka le bophelo bo botle, filimi, boikhathollo le lisebelisoa tsa tšireletso.
PBT
Ts'ebetso ea PBT
PBT ke e 'ngoe ea lisebelisoa tse thata ka ho fetisisa tsa boenjiniere tsa thermoplastic, ke thepa ea semi-crystalline, e na le botsitso bo botle ba lik'hemik'hale, matla a mochini, litšobotsi tsa ho kenya motlakase le botsitso ba mocheso.Lisebelisoa tsena li na le botsitso bo botle maemong a mangata a tikoloho, 'me litšobotsi tsa ho monya mongobo oa PBT li fokola haholo.
Sebaka se qhibilihang (225% ℃) le mocheso o phahameng oa mocheso o tlase ho feta thepa ea PET.Mocheso o bonolo oa Veka o ka bang 170 ℃.Mocheso oa phetoho ea khalase o pakeng tsa 22 ℃ le 43 ℃.
Ka lebaka la sekhahla se phahameng sa crystallization ea PBT, viscosity ea eona e tlase haholo, 'me nako ea potoloho ea likarolo tsa polasetiki e sebetsa hangata e tlase.
Litšobotsi tsa ts'ebetso ea PBT
Ho omisa: Sesebelisoa sena se hydrolyze habonolo ha mocheso o le holimo, kahoo ho bohlokoa ho o omisa pele o sebetsa.Boemo bo khothalletsoang ba ho omisa moeeng ke 120C, lihora tse 6-8, kapa 150 ℃, lihora tse 2-4.Mongobo o tlameha ho ba ka tlase ho 0.03%.Haeba o sebelisa hygroscopic dryer, boemo bo khothalletsoang ba ho omisa ke 150 ° C bakeng sa lihora tse 2,5.Mocheso oa ho sebetsa ke 225 ~ 275 ℃, 'me mocheso o khothalletsoang ke 250 ℃.Bakeng sa lisebelisoa tse sa ntlafatsoang mocheso oa hlobo ke 40 ~ 60 ℃.
Sebaka se pholileng sa hlobo se lokela ho etsoa hantle ho fokotsa ho kobeha ha likarolo tsa polasetiki.Mocheso o tlameha ho lahleheloa kapele le ka ho lekana.Ho kgothaletswa hore bophara ba sekoti se phodileng sa hlobo ke 12mm.Khatello ea ente e itekanetse (ho fihla ho 1500bar maximum), 'me sekhahla sa ente se lokela ho ba kapele kamoo ho ka khonehang (hobane PBT e tiisa kapele).
Semathi le heke: Semathi se chitja se buelloa ho eketsa phetiso ea khatello.
Mofuta o tloaelehileng oa lisebelisoa
Lisebelisoa tsa ka tlung (lisebelisoa tsa ho lokisa lijo, li-vacuum cleaner, li-fan tsa motlakase, ntlo ea ho omisa moriri, lisebelisoa tsa kofi, joalo-joalo), lisebelisoa tsa motlakase (li-switches, matlo a motlakase, mabokose a fuse, linotlolo tsa keyboard ea komporo, joalo-joalo), indasteri ea likoloi (li-radiator grate, liphanele tsa 'mele, likoahelo tsa mabili, likarolo tsa mamati le lifensetere, joalo-joalo.
Nako ea poso: 18-11-22