Inqubekelaphambili yohlelo lokusebenza lwepulasitiki ekhethekile yobunjiniyela be-polyether ether ketone (PEEK)

I-Polyether ether ketone (PEEK) yasungulwa okokuqala yi-Imperial Chemical (ICI) ngo-1977 futhi yathengiswa ngokusemthethweni njenge-VICTREX®PEEK ngo-1982. Ngo-1993, i-VICTREX yathola isitshalo sokukhiqiza i-ICI futhi yaba inkampani ezimele.I-Weigas inohlu olubanzi kakhulu lwemikhiqizo ye-poly (ether ketone) emakethe, enamandla amanje angu-4,250T/ngonyaka.Ngaphezu kwalokho, isitshalo sesithathu se-VICTREX® poly (ether ketone) esinamandla onyaka angu-2900T sizokwethulwa ekuqaleni kuka-2015, sinamandla angaphezu kuka-7000 T/a.

Ⅰ.Isingeniso sokusebenza 

I-PEEK njengomkhiqizo obaluleke kakhulu we-poly (i-aryl ether ketone, ukwakheka kwayo okukhethekile kwamangqamuzana kunikeza i-polymer ukumelana nokushisa okuphezulu, ukusebenza kahle kwemishini, ukuzigcoba ngokwakho, ukucubungula kalula, ukumelana nokugqwala kwamakhemikhali, ukubuyiswa kwamalangabi, ukumelana nokukhumula, ukumelana nemisebe, ukuzinza kokushisa, ukumelana ne-hydrolysis nokucutshungulwa okulula, njengokusebenza okuhle kakhulu, manje sekubonwa njengamapulasitiki obunjiniyela be-thermoplastic angcono kakhulu. 

1 Ukumelana nokushisa okuphezulu

I-VICTREX PEEK polymers nezingxube ngokuvamile zinezinga lokushisa elishintsha ingilazi elingu-143 ° C, indawo encibilikayo engu-343 ° C, izinga lokushisa elishisayo elifinyelela ku-335 ° C (ISO75Af, i-carbon fibre egcwele), kanye nezinga lokushisa lesevisi eliqhubekayo elingu-260 °. C (UL746B, akukho ukugcwaliswa). 

2. Ukumelana nokugqoka

Izinto ze-polymer ze-VICTREX PEEK zinikeza ukungqubuzana okuhle kakhulu nokumelana nokugqokwa, ikakhulukazi kumamaki webanga lokukhuhlana eliguquguqukayo elingaguquki, phezu kwezingcindezi eziningi, isivinini, amazinga okushisa kanye nobuhwaqane bokuxhumana. 

3. Ukumelana namakhemikhali

I-VICTREX PEEK ifana nensimbi ye-nickel, inikeza ukumelana nokugqwala okuhle kakhulu ezindaweni eziningi zamakhemikhali, ngisho nasezingeni eliphezulu lokushisa.

4. Intuthu yesibani somlilo futhi engenabuthi

Izinto ze-polymer ze-VICTREX PEEK zizinzile kakhulu, isampula engu-1.5mm, ibanga le-ul94-V0 elingenayo i-flame retardant.Ukwakheka nokuhlanzeka okungokwemvelo kwalokhu okubalulekile kuyenza ikwazi ukukhiqiza intuthu encane kakhulu negesi uma kuba nomlilo.

5. Ukumelana ne-Hydrolysis

Ama-polymer e-VICTREX PEEK nezingxube amelana nokuhlaselwa kwamakhemikhali ngamanzi noma umusi womfutho ophezulu.Izingxenye ezenziwe ngale ndaba zingagcina amazinga aphezulu ezakhiwo zemishini lapho zisetshenziswa ngokuqhubekayo emanzini emazingeni okushisa aphezulu kanye nezingcindezi.

6. Izakhiwo zikagesi ezinhle kakhulu

I-VICTREX PEEK inikeza ukusebenza okuhle kakhulu kukagesi ngaphezu kwebanga elibanzi lamafrikhwensi namazinga okushisa.

Ngaphezu kwalokho, impahla ye-polymer ye-VICTREX PEEK nayo inokuhlanzeka okuphezulu, ukuvikelwa kwemvelo, ukucubungula okulula nezinye izici.

Ⅱ.Ucwaningo ngesimo sokukhiqiza

Selokhu kwathuthukiswa ngempumelelo i-PEEK, ngokusebenza kwayo okuhle kakhulu, iye yathandwa kakhulu abantu futhi ngokushesha yaba yinto entsha okugxilwe kuyo ocwaningweni.Uchungechunge lokuguqulwa kwamakhemikhali nokomzimba kanye nokuthuthukiswa kwe-PEEK lukhulise ngokwengeziwe inkambu yokusetshenziswa kwe-PEEK.

1. Ukuguqulwa kwamakhemikhali

Ukuguqulwa kwamakhemikhali ukushintsha ukwakheka kwamangqamuzana nokujwayelekile kwe-polymer ngokwethula amaqembu akhethekile asebenzayo noma ama-molecule amancane, njengalokhu: ukushintsha ingxenye yamaqembu e-ether ketone ochungechungeni oluyinhloko noma ukwethula amanye amaqembu, i-branching crosslinking, amaqembu e-side chain, i-block copolymerization. kanye ne-copolymerization engahleliwe ochungechungeni oluyinhloko ukuze uguqule izakhiwo zayo ezishisayo.

I-VICTREX®HT™ ne-VICTREX®ST™ yi-PEK ne-PEKEKK, ngokulandelana.Isilinganiso se-E/K se-VICTREX®HT™ ne-VICTREX®ST™ sisetshenziselwa ukuthuthukisa ukumelana nezinga lokushisa okuphezulu kwe-polymer.

2. Ukuguqulwa komzimba

Uma kuqhathaniswa nokuguqulwa kwamakhemikhali, ukuguqulwa komzimba kusetshenziswa kabanzi ekusebenzeni, okuhlanganisa ukuthuthukiswa kokugcwalisa, ukuguqulwa okuxubile nokuguqulwa kwendawo.

1) Ukuthuthukiswa kwe-Padding

Ukuqiniswa kokugcwalisa okuvame kakhulu ukuqiniswa kwe-fiber, kufaka phakathi i-glass fiber, i-carbon fiber reinforcement kanye ne-Arlene fiber reinforcement.Imiphumela yokuhlola ibonisa ukuthi i-glass fibre, i-carbon fibre kanye ne-aramid fiber inokuhlobana okuhle ne-PEEK, ngakho-ke kuvame ukukhethwa njengesigcwalisi ukuze kuthuthukiswe i-PEEK, yenze izinto eziyinhlanganisela esebenza kahle kakhulu, futhi ithuthukise amandla nezinga lokushisa lesevisi ye-PEEK resin.I-Hmf-grades iyinhlanganisela entsha egcwele i-carbon fiber evela ku-VICTREX enikeza ukumelana nokukhathala okuphakeme, ukusebenziseka kalula kanye nezakhiwo ezinhle kakhulu zemishini uma kuqhathaniswa nochungechunge lwamanje lwamandla aphezulu we-carbon fiber olugcwele i-VICTREX PEEK.

Ukuze kuncishiswe ukungqubuzana nokuguga, i-PTFE, i-graphite nezinye izinhlayiya ezincane zivame ukungezwa ukuze kuthuthukiswe ukuqinisa.I-Wear Grades ilungiswa ngokukhethekile futhi iqiniswa yi-VICTREX ukuze isetshenziswe ezindaweni ezigqoke kakhulu ezifana nama-bearings.

2) Ukuguqulwa kokuhlanganiswa

I-PEEK ixubene nezinto ze-organic polymer ezinezinga lokushisa eliphezulu lokushintsha kwezingilazi, ezingakwazi nje ukuthuthukisa izakhiwo ezishisayo zezinhlanganisela futhi zinciphise izindleko zokukhiqiza, kodwa futhi zibe nomthelela omkhulu kuzakhiwo zemishini.

I-VICTREX®MAX-Series™ iyinhlanganisela yezinto ze-polymer ze-VICTREX PEEK kanye ne-resin eyiqiniso ye-EXTEM®UH thermoplastic polyimide (TPI) esekelwe ku-SABIC Innovative Plastics.Izinto ze-polymer ezisebenza kahle kakhulu ze-MAX Series™ ezinokumelana nokushisa okuhle kakhulu ziklanyelwe ukuhlangabezana nesidingo esikhulayo sezinto ze-polymer ze-PEEK ezimelana nezinga lokushisa eliphezulu.

I-VICTREX® T Series iyinhlanganisela enelungelo lobunikazi esekelwe ezintweni ze-polymer ze-VICTREX PEEK kanye ne-Celazole® polybenzimidazole (PBI).Ingahlanganiswa futhi ingahlangabezana namandla amahle kakhulu adingekayo, ukumelana nokugqoka, ukuqina, ukukhasa kanye nezindawo ezishisayo ngaphansi kwezimo zokushisa ezidinga kakhulu.

3) Ukuguqulwa kobuso

Ucwaningo lwe-VICTREX, olwenziwa ngokubambisana no-Wacker, umkhiqizi ohamba phambili we-silicone ewuketshezi, lubonise ukuthi i-polymer ye-VICTREX PEEK ihlanganisa amandla akho kokubili aqinile futhi aguquguqukayo abicah kanye nezinto ezinamathelayo zamanye amapulasitiki anobunjiniyela.Ingxenye ye-PEEK njengokufaka, ehlanganiswe nerabha ye-silicone ewuketshezi, noma ubuchwepheshe bokubumba umjovo wezingxenye ezimbili, ingathola ukunamathela okuhle kakhulu.Izinga lokushisa lomjovo we-VICTREX PEEK lingu-180 ° C. Ukushisa kwayo okucashile kwenza ukuphulukiswa okusheshayo kwerabha ye-silicone, ngaleyo ndlela kunciphisa umjikelezo womjovo jikelele.Lokhu kuyinzuzo yobuchwepheshe bokubumba umjovo wezingxenye ezimbili.

3. Omunye

1) Izingubo ze-VICOTE™

I-VICTREX yethule i-PEEK based coating, i-VICOTE™, ukuze kubhekwane nezikhala zokusebenza kobuningi bobuchwepheshe bokumboza banamuhla.I-VICOTE™ coatings inikeza izinga lokushisa eliphezulu, ukumelana nokugqokwa, amandla, ukuqina nokumelana nokuklwejwa kanye nohlu olubanzi lwezinzuzo zokusebenza okuphezulu kwezinhlelo zokusebenza ezichayeka ezimeni ezibucayi ezifana nezinga lokushisa eliphezulu, ukugqwala kwamakhemikhali nokuguga, noma ngabe kusezimbonini, ezezimoto, ukucubungula ukudla, i-semiconductor, i-electronics noma izingxenye zemithi.I-VICOTE™ coatings inikeza impilo yesevisi eyandisiwe, ukusebenza okuthuthukisiwe nokusebenza, ukunciphisa izindleko zesistimu, kanye nenkululeko yokuklama ethuthukisiwe ukuze kuzuzwe ukuhlukaniswa komkhiqizo.

2) Amafilimu e-APTIV™

Amafilimu e-APTIV™ anikezela ngenhlanganisela eyingqayizivele yezakhiwo nezici ezitholakala kuma-polymer we-VICTREX PEEK, okuwenza abe omunye wemikhiqizo yefilimu esebenza kakhulu esebenza kakhulu etholakalayo.Amafilimu amasha e-APTIV ahlukahlukene futhi afanele ukusetshenziswa okuhlukahlukene, okuhlanganisa amafilimu adlidlizayo ezipikha zomakhalekhukhwini nezipikha zabathengi, ukugqunywa kwentambo nentambo namajakhethi asongayo, iziguquli zokucindezela kanye nama-diaphragms enzwa, ukugqokwa kwezindawo ezikwazi ukumelana nemikhiqizo yezimboni neye-elekthronikhi, ama-substrates kagesi. kanye nokungezwani kwezindiza.

Ⅲ, inkambu yohlelo lokusebenza

I-PEEK isetshenziswe kabanzi ku-aerospace, izimoto, i-electronics, amandla, izimboni, i-semiconductor kanye nezinkundla zezokwelapha kusukela yethulwa.

1. Umkhathi

I-Aerospace inkambu yesicelo sokuqala ye-PEEK.Ubunjalo be-aerospace budinga ukucutshungulwa okuvumelana nezimo, izindleko eziphansi zokucubungula, nezinto ezingasindi ezingamelana nemvelo enzima.I-PEEK ingathatha indawo ye-aluminium nezinye izinsimbi ezingxenyeni zendiza ngoba iqine ngendlela engavamile, ayisebenzi ngamakhemikhali futhi ibuyisela amalangabi, futhi ingabunjwa kalula ibe izingxenye ezinokubekezelela okuncane kakhulu.

Ngaphakathi endizeni, kube khona izehlakalo eziyimpumelelo zokuqinisa izintambo nepayipi lokuqinisa, i-impeller blade, isibambo somnyango wegumbi lenjini, ifilimu emboza inhlanzi, isibophelelo esiyinhlanganisela, ibhande lezintambo, izintambo zocingo, umkhono kathayela, njll. I-radome yangaphandle, ihabhu yegiya lokuhlala. ikhava, isembozo somgodi, ubakaki we-fairing nokunye.

I-PEEK resin ingasetshenziswa futhi ukwenza amabhethri amarokhethi, amabhawudi, amantongomane nezingxenye zezinjini zamarokhethi.

2. Umatilasi ohlakaniphile

Njengamanje, imboni yezimoto iya ngokuya idinga ukusebenza okumbaxambili kwesisindo semoto, ukunciphisa izindleko kanye nokwandisa ukusebenza komkhiqizo, ikakhulukazi ukuphishekela kwabantu ukunethezeka nokuzinza kwezimoto, isisindo se-air conditioning ehambisanayo, iWindows kagesi, ama-airbag kanye nemishini ye-ABS braking system ukwanda.Izinzuzo ze-PEEK resin, ezifana nokusebenza okuhle kwe-thermodynamic, ukumelana nokungqubuzana, ukuminyana okuphansi nokucubungula kalula, zisetshenziselwa ukwenza izingxenye zezimoto.Nakuba izindleko zokucubungula ziyancipha kakhulu, hhayi kuphela isisindo esingancishiswa kuze kufike ku-90%, kodwa futhi impilo yesevisi ingaqinisekiswa isikhathi eside.Ngakho-ke, i-PEEK, esikhundleni sensimbi engagqwali kanye ne-titanium, isetshenziselwa ukwenza izinto zekhava yangaphakathi yenjini.Ukukhiqiza ama-bearings ezimoto, ama-gaskets, seal, ama-clutch rings nezinye izakhi, ngaphezu kokudluliswa, izinhlelo zokusebenza zesistimu ye-brake kanye ne-air conditioning nazo ziningi.

3. Ezogesi

I-VICTREX PEEK inezici zokumelana nokushisa okuphezulu, ukumelana nokugqoka, ukumelana nokugqwala, ukuguquguquka okuphansi, ukukhishwa okuphansi, ukumuncwa komswakama ophansi, ukuvikelwa kwemvelo kanye ne-flame retardant, ukuqina kosayizi, ukucubungula okuguquguqukayo, njll. Isetshenziswa kabanzi kumakhompyutha, omakhalekhukhwini, amabhodi wesekethe, amaphrinta, ama-diode akhipha ukukhanya, amabhethri, amaswishi, izixhumi, ama-hard disk drive nezinye izinto zikagesi.

4. Imboni Yezamandla

Ukukhetha izinto ezifanele kuvame ukubonwa njengesinye sezici ezibalulekile zokuthuthukiswa okuphumelelayo embonini yamandla, futhi eminyakeni yamuva i-VICTREX PEEK iye yanda kakhulu embonini yamandla ukuze kuthuthukiswe ukusebenza kokusebenza kanye nokunciphisa ingozi yokuphumula ehambisana nokuhluleka kwengxenye.

I-VICTREX PEEK iya ngokuya isetshenziswa imboni yamandla ngenxa yokumelana nokushisa okuphezulu, ukumelana nemisebe, ukumelana ne-hydrolysis, ukuzigcoba, ukumelana nokugqwala kwamakhemikhali nokusebenza okuhle kakhulu kukagesi, njengamapayipi okubopha izintambo ezihlanganisiwe ezingaphansi kolwandle, izintambo nezintambo, izixhumi zikagesi, izinzwa ze-downhole. , ama-bearings, bushings, amagiya, izindandatho zokusekela kanye neminye imikhiqizo.Kuwoyela negesi, amandla kagesi, i-geothermal, amandla omoya, amandla enuzi, amandla elanga asetshenziswa.

Amafilimu e-APTIV™ kanye nezingubo ze-VICOTE™ nazo zisetshenziswa kabanzi embonini.

5. Okunye

Embonini yemishini, i-PEEK resin ivame ukusetshenziselwa ukwenza ama-compressor valves, amasongo e-piston, izimpawu kanye nemizimba yephampu yamakhemikhali ehlukahlukene kanye nezingxenye zamavalvu.Ukusebenzisa le resin esikhundleni sensimbi engagqwali ukwenza impompi ye-vortex ngokusobala kunganciphisa izinga lokuguga kanye nezinga lomsindo, futhi kunwebe impilo yayo yesevisi.Ngaphezu kwalokho, izixhumi zesimanje zingenye imakethe engase ibe khona ngoba i-PEEK ihlangabezana nokucaciswa kwezinto zokuhlanganisa amapayipi futhi ingahlanganiswa emazingeni okushisa aphezulu kusetshenziswa izinhlobonhlobo zokunamathela.

Imboni ye-semiconductor ithuthukela kumawafa amakhulu, ama-chips amancane, imigqa emincane nosayizi wobubanzi bomugqa, njll. I-VI CTREx PEEK polymer material inezinzuzo ezisobala ekukhiqizeni ama-wafer, ukucutshungulwa kwe-front-end, ukucubungula nokuhlola, nokucubungula emuva.

Embonini yezokwelapha, i-PEEK resin ingamelana nemijikelezo engu-3000 ye-autoclaving ku-134 ° C, okwenza ifaneleke ukukhiqizwa kwemishini yokuhlinza neyamazinyo enezidingo eziphezulu zokuvala inzalo ezidinga ukusetshenziswa ngokuphindaphindiwe.I-PEEK resin ingabonisa amandla aphezulu emishini, ukumelana nokucindezeleka okuhle nokuzinza kwe-hydrolysis emanzini ashisayo, isitimu, izinyibilikisi kanye nama-reagents amakhemikhali, njll. Ingasetshenziselwa ukukhiqiza izinhlobonhlobo zemishini yezokwelapha ezidinga ukushisa okuphezulu kwe-steam disinfection.I-PEEK ayigcini nje ngokuba nezinzuzo zesisindo esilula, ukumelana ne-non-toxic kanye nokugqwala, kodwa futhi iyimpahla eseduze nohlaka lwamathambo omuntu, olungahlanganiswa nomzimba.Ngakho-ke, ukusebenzisa i-PEK resin ukwenza uhlaka lwamathambo abantu esikhundleni sensimbi kungenye indlela ebalulekile ye-PEEK emkhakheni wezokwelapha.

Ⅳ, Amathemba

Kanye nokuthuthukiswa kwesayensi nobuchwepheshe, abantu bayoba ngaphezulu nangaphezulu kwemfuneko yezinto ezibonakalayo, ikakhulukazi ekushoda kwamandla kwamanje, abalobi bokulahlekelwa isisindo yizo zonke izinkampani kufanele zicabangele umbuzo, ngepulasitiki esikhundleni sensimbi kuwumkhuba ongenakugwemeka. ekuthuthukisweni kwezinto zokwakha amapulasitiki akhethekile wobunjiniyela PEEK isidingo “somhlaba wonke” sizokwanda, futhi sizoba nenkundla yokusetshenziswa ebanzi.