E ngotsoe ke Andy oa fektheri ea Baiyear
E ntlafalitsoe ka la 2 Pulungoana 2022
Mona ke setsi sa litaba sa indasteri ea ho etsa ente ea Baiyear.Ka mor'a moo, Baiyear e tla arola mokhoa oa ho bōpa ente ka lihlooho tse 'maloa ho hlahisa tlhahlobo ea lisebelisoa tse tala tsa mokhoa oa ho bopa ente, hobane ho na le litaba tse ngata haholo.Se latelang ke sehlooho sa botšelela.
(14).PPO (polyphenylene ether)
1. Ts'ebetso ea PPO
Polyphenylene oxide ke poly-2,6-dimethyl-1,4-phenylene oxide, eo hape e tsejoang e le polyphenylene oxide, lebitso la Senyesemane Polyphenyleneoxiole (lebitso la PPO), polyphenylene ether e fetotsoeng e fetotsoe ka polystyrene kapa li-polymers tse ling.Sexual polyphenylene ether, e bitsoang MPPO.
PPO (NORLY) ke polasetiki ea boenjiniere e nang le thepa e phethahetseng.E na le boima bo phahameng ho feta PA, POM le PC, matla a phahameng a mochine, ho tiea hantle, ho hanyetsa mocheso o motle (thempereichara ea deformation ea mocheso ke 126 ℃), le botsitso bo phahameng ba tekanyo (mocheso o fokolang).sekhahla sa 0.6%), ho monya metsi a tlase (tlase ho 0.1%).Bothata ke hore ha bo tsitsitse ho mahlaseli a ultraviolet, theko e phahameng, 'me tekanyo e nyenyane.
PPO ha e na chefo, e pepeneneng, e na le letsoalo le tlase, 'me e na le matla a matla a mochini, e hanyetsa khatello ea maikutlo, e hanana le ho thella, ho hanyetsa mocheso, ho hanyetsa metsi le mouoane oa metsi.Lintho tse ntle tsa motlakase ka mefuta e mengata ea mocheso le maqhubu a fapaneng, ha ho na hydrolysis, ho fokotseha ha mokelikeli o monyenyane, ho thibela lelakabe le ho itima, ho hanyetsa ka matla ho li-inorganic acid, alkalis, li-hydrocarbon tse nkhang hamonate, li-halogenated hydrocarbons, oli, joalo-joalo, ho bonolo ho ruruha Kapa khatello ea maikutlo, mathata a ka sehloohong ke ho fokola ha metsi a qhibilihisang, ho sebetsa ka thata le ho theha, boholo ba likopo tse sebetsang ke MPPO (PPO blends kapa alloys), joalo ka PS phetoho ea PPO, e ka ntlafatsa haholo ts'ebetso ea ts'ebetso, ea ntlafatsa ho hanyetsa khatello ea kelello le tšusumetso. ho hanyetsa Ts'ebetso, ho fokotsa litšenyehelo, ho fokotseha hanyenyane feela ho hanyetsa mocheso le gloss.
Li-polymers tse fetotsoeng li kenyelletsa PS (ho kenyeletsoa HIPS), PA, PTFE, PBT, PPS le li-elastomer tse fapaneng, polysiloxane, PS modified PPO parafini, sehlahisoa se seholo ka ho fetisisa, MPPO ke mefuta e mengata e sebelisoang ka ho fetisisa ea boenjiniere ba polasetiki ea alloy.Mefuta e meholoanyane ea MPPO ke PPO/PS, PPO/PA/elastomers le PPO/PBT elastomer alloys.
2. Litšobotsi tsa ts'ebetso ea PPO:
PPO e na le viscosity e phahameng ea ho qhibiliha, metsi a fokolang, le maemo a phahameng a ho sebetsa.Pele e sebetsoa, e hloka ho omisoa ka mocheso oa 100-120 ° C bakeng sa lihora tse 1-2, mocheso oa ho bopa ke 270-320 ° C, 'me mocheso oa hlobo o laoloa ka ho khetheha ho 75-95 ° C.ho sebetsa.Ts'ebetsong ea tlhahiso ea polasetiki ena ea biri ea polasetiki, mokhoa oa ho phalla ha jete (sebōpeho sa serpentine) o bonolo ho hlahisoa ka pel'a molomo, 'me mocha oa phallo oa molomo o moholo ka ho khetheha.
Botenya bo fokolang bo tloha ho 0.060 ho isa ho 0.125 lisenthimithara bakeng sa ho bōptjoa ho tloaelehileng le 0.125 ho 0.250 lisenthimithara bakeng sa foams ea sebopeho, le mefuta ea ho cha ho tloha UL94 HB ho ea VO.
3.Tlhahiso ea mofuta oa ts'ebeliso:
PPO le MPPO li ka sebetsoa ka mekhoa e fapaneng ea ts'ebetso e joalo ka ho bopa ente, extrusion, ho bopa ho foka, ho bopa, ho foaming le electroplating, vacuum coating, mochini oa khatiso, joalo-joalo, ka lebaka la viscosity e phahameng ea ho qhibiliha le mocheso o phahameng oa ts'ebetso.
PPO le MPPO li sebelisoa haholo ka lisebelisoa tsa elektroniki, likoloi, lisebelisoa tsa ntlo, lisebelisoa tsa ofisi le mechini ea indasteri, joalo-joalo, li sebelisa MPPO bakeng sa ho hanyetsa mocheso, ho hanyetsa tšusumetso, botsitso ba sebopeho, ho hanyetsa mohatla, le ho hanyetsa ho phunya;
Ho penta le thepa ea motlakase: e sebelisetsoang ho etsa li-dashboard tsa koloi, li-grill tsa radiator, li-speaker grilles, li-consoles, mabokose a fuse, mabokose a relay, lihokelo, likoahelo tsa mabili;e sebelisoa haholo indastering ea motlakase le ea elektroniki ho etsa likhokahano, li-coil windings Spools, li-switching relays, lisebelisoa tsa tokiso, lipontšo tse kholo tsa elektroniki, li-capacitor tse fapaneng, lisebelisoa tsa betri, li-microphone le likarolo tse ling.
Lisebelisoa tsa ka tlung li sebelisetsoa lithelevishene, lik’hamera, litheipi tsa video, lirekoto tsa theipi, li-air conditioner, lihitara, liapehi tsa raese le likarolo tse ling.E ka sebelisoa e le likarolo tsa kantle le likarolo tsa likopi, litsamaiso tsa likhomphutha, bahatisi, mechini ea fekse, joalo-joalo, e ka sebelisoa e le khamera, timer, pompo ea metsi, khetla ea blower le likarolo, lisebelisoa tse khutsitseng, liphaephe, 'mele oa valve, sesebelisoa sa ho buoa, sterilizer le likarolo tse ling tsa lisebelisoa tsa bongaka.
Meetso e meholo e ka sebelisoa bakeng sa likarolo tsa makoloi tse kholo joalo ka li-spoilers, li-bumpers, le ho etsa foam e fokolang.E loketse tlhahiso ea lihlahisoa tse kholo tse nang le boima bo phahameng, botsitso ba litekanyo, ho kenngoa ha molumo o babatsehang, le mehaho e rarahaneng ea ka hare, e kang likhetla tse fapa-fapaneng tsa mochine, metheo, li-interiors The bracket le moralo li na le tokoloho e kholo, 'me sehlahisoa se bobebe.
(15).PBT polybutylene terephthalate
1. Ts'ebetso ea PBT:
PBT ke e 'ngoe ea li-thermoplastic tsa boenjiniere tse thata ka ho fetisisa.Ke thepa ea semi-crystalline e nang le botsitso bo botle haholo ba lik'hemik'hale, matla a mochine, thepa ea ho thibela motlakase le botsitso ba mocheso.Lisebelisoa tsena li na le botsitso bo botle maemong a mangata a tikoloho, 'me PBT e na le thepa e fokolang haholo ea hygroscopic.Matla a tsitsitseng a PBT e sa tiisetsoang ke 50MPa, 'me matla a tsitsitseng a mofuta oa khalase ea PBT ke 170MPa.Ho eketsa likhalase tse ngata haholo ho tla etsa hore thepa e be brittle.
PBT;crystallization e potlakile haholo, e tla baka deformation e kobehang ka lebaka la ho pholile ho sa tšoaneng.Bakeng sa lisebelisoa tse nang le li-additives tsa khalase, shrinkage ka tataiso ea ts'ebetso e ka fokotsoa, empa ho fokotseha ho ea ka tsela e ts'oanang le ts'ebetso ha e le hantle ho tšoana le ea lisebelisoa tse tloaelehileng.
Sekhahla sa kakaretso sa ho honyeha ha thepa se pakeng tsa 1.5% le 2.8%.Lisebelisoa tse nang le likhalase tse 30% li fokotseha pakeng tsa 0.3% le 1.6%.Sebaka se qhibilihang (225% ℃) le mocheso o phahameng oa mocheso o tlase ho feta thepa ea PET.Thempereichara ea Vicat e bonolo e ka ba 170 ° C.Thempereichara ea phetoho ea khalase (glass trasitiotemperature) e pakeng tsa 22°C le 43°C.
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.
2. Litšobotsi tsa ts'ebetso ea PBT:
Ho omisa: Sesebelisoa sena se na le hydrolyzed habonolo mochesong o phahameng, kahoo ho omisa pele ho ts'ebetso ho bohlokoa.E khothalletsoang maemo a ho omisa moeeng ke 120C bakeng sa lihora tse 6 ~ 8, kapa 150C bakeng sa lihora tse 2 ~ 4.
Mongobo o tlameha ho ba ka tlase ho 0.03%.Haeba o omisa ka hygroscopic desiccator, maemo a khothalletsoang ke 150 ° C bakeng sa lihora tse 2,5.Mocheso oa ho sebetsa ke 225 ~ 275 ℃, 'me mocheso o khothalletsoang ke 250 ℃.Bakeng sa thepa e sa matlafatsoang, mocheso oa hlobo ke 40 ~ 60 ℃.Mohala o pholileng oa hlobo o lokela ho etsoa hantle ho fokotsa ho kobeha ha karolo ea polasetiki.Phallo ea mocheso e tlameha ho ba kapele le e lekaneng.
Bophara bo khothaletsoang ba mocha oa ho pholisa hlobo ke 12mm.Khatello ea ente e itekanetse (ho fihla ho 1500bar), 'me lebelo la ente le lokela ho ba kapele kamoo ho ka khonehang (hobane PBT e tiisa kapele haholo).Semathi le heke: Ho khothalletsoa ho sebelisa semathi se chitja ho eketsa phetiso ea khatello (tekanyo ea boiphihlelo: bophara ba semathi = botenya ba karolo ea polasetiki + 1.5mm).
Ho ka sebelisoa mefuta e fapaneng ea liheke.Limathi tse chesang li ka boela tsa sebelisoa, empa tlhokomelo e lokela ho nkoa ho thibela ho lutla le ho senyeha ha thepa.Bophara ba heke bo lokela ho ba pakeng tsa 0.8 ~ 1.0 * t, moo t e leng botenya ba karolo ea polasetiki.Haeba e le heke e ka tlas'a metsi, bonyane bophara ba 0.75mm bo khothaletsoa.
3.Tlhahiso ea mofuta oa ts'ebeliso:
lisebelisoa tsa ntlo (lisebelisoa tsa ho lokisa lijo, lisebelisoa tsa vacuum cleaner, li-fan tsa motlakase, matlo a omisitsoeng moriri, lisebelisoa tsa kofi, joalo-joalo), lisebelisoa tsa motlakase (li-switches, li-motor housings, mabokose a fuse, linotlolo tsa keyboard ea khomphutha, joalo-joalo), indasteri ea likoloi (radiator grilles, liphanele tsa 'mele, likoahelo tsa mabili, likarolo tsa mamati le lifensetere, joalo-joalo.
Tsebo e ngata haholo e hlahisitsoe sebakeng sena.Bakeng sa tsebo e 'ngoe, Baiyear e tla e ntlafatsa kapele kamoo ho ka khonehang.Re tla lula re nchafatsa lisebelisoa tse tala tsa polasetiki, ts'ebetso ea ho bopa ente, kenyelletso ea lisebelisoa tsa ho bopa, moralo oa hlobo, ho betla hlobo, kenyelletso ea lisebelisoa tsa ho etsa hlobo, ts'ebetso ea tšepe ea lakane, litaba tsa tsebo mabapi le tlhahiso ea lebokose la kabo, tlhahiso ea lebokose la tšepe, kenyelletso ea lisebelisoa tsa ho sebetsa tsa sheet, tse sa keneleng metsi. lebokose la mateano, sekoahelo sa fensetere se sa keneleng metsi, joalo-joalo Haeba u thahasella tsebo e ka holimo, u ka ikopanya le 'na ka nako leha e le efe, ke tla thabela ho u sebeletsa le ho lebella ho fihla ha hao.
Lebitso: Andy Yang
What's app : +86 13968705428
Email: Andy@baidasy.com
Nako ea poso: Nov-29-2022
