Iiplasitiki ezintlanu zoBunjineli bobushushu obuPhakamileyo

Intshayelelo

Iiplasitiki zobunjineli yiklasi yezixhobo zepolymer ngezenzo ezibalaseleyo, ezisetyenziswa ngokubanzi kumasimi amaninzi. Phakathi kwazo, amaqondo obushushu aphezulu obuchwephesha obuchwephesha kungenxa yeempawu zayo ezibalaseleyo zobushushu obuphezulu kwaye utsala umdla. Oku kulandelayo yintshayelelo kwiintlobo ezintlanu zobushushu be-Super Allics.

I-polyphenylene sulfide (PPS)

I-polyphenyne sulfiide (PPS) yi-crystalline polymer ene-thermal kunye nokuzinza kwamachiza. Inokusebenza ngokugqibeleleyo ixesha elide kwimeko yobushushu obuphezulu ngaphezulu kwe-200 ° C kwaye ineempawu ezintle ze-ind kunye ne-intermials, inqwelo moya, i-aerospace, njl. Njl. Izixhobo zombane, i-PPS ihlala isetyenziswa ekwenzeni i-quapers, ukutshintsha, kudluliselwa kwezinye iindawo. Kwicandelo lezinto zombane ze-elektroniki kunye nombane, i-PPS ihlala isetyenziswa ekwenzeni i-nxibelelanisi, ukutshintsha, kudluliselo kunye namanye amalungu; Kwintsimi yemoto, inokusetyenziswa ekwenzeni i-Injini ye-Injini ye-Injini, izixhobo zefutha, njl.; Kwintsimi ye-aerospace, i-PPS isetyenziswa ngokubanzi ekwenzeni amalungu olwakhiwo lobushushu obuphezulu kunye neenxalenye zomsebenzi.

Intsebenzo ebalaseleyo ye-PPS ivela kwimo yayo eyahlukileyo yeemolekyuli. Ikhonkco layo le-molecular linenani elikhulu lamakhonkco e-Bezene kunye neeatom zesalfure, kwaye ezi zakhiwo zinika indawo ephezulu yokunyibilika, amandla aphezulu, ingqongqo ephezulu kunye nezinye iimpawu. Ukongeza, i-PP ikwanokumelana nekhemikhali elungileyo, inokumelana ne-Acids, ialkalis, iityuwa kunye nezinye izinto zekhemikhali. Nangona kunjalo, i-PPs ikwanazo ezinye iimpazamo, ezinje ngobuchwephesha, ukulungisa ubunzima njalo njalo. Ukwenzela ukoyisa ezi mpazamo, kudla ngokufunekayo ukuyilungisa, njengokudibanisa iiarhente zokuchonga, ziphucule itekhnoloji yokuqhubela phambili.

I-Polymimide (PI)

I-Polymidide yi-polymer enokungamelana nobushushu obuphezulu. Ingasetyenziselwa ixesha elide kwiindawo zobushushu obungaphezulu kwe-300 ° C, kwaye inokumelana namaqondo obushushu aphezulu ukuya kuthi ga kwi-500 ° C kwixesha elincinci.Ingapheleli nje kubushushu obuphezulu, kodwa nabo bahle kakhulu Iipropathi, iipropathi zombane zombane kunye nokuchasana nemichiza. Inoluhlu olubanzi lwezicelo kwi-aerospace, i-elektroniki, iikhemikhali kunye nezinye amasimi.

Kwintsimi ye-aerospace, i-PI ihlala isetyenziswa ekwenzeni amacandelo aphezulu amaqondo obushushu, izixhobo zokutsalela, izinto zokutywina, njl.; Kwintsimi ye-elektroniki, i-PI ingasetyenziselwa ukwenza iibhodi zesekethe eziprintiweyo, izixhobo zokupakishwa kwe-elektroniki, njl.; Kwicandelo lemichiza, i-PI ingasetyenziselwa ukwenziwa kwemibhobho engathinteliyo yokunganyangeki, izikhongozeli, njl njl. . Kwangelo xesha, i-PI inokuhlengahlengiswa ngeendlela ezahlukeneyo zokwenziwa kunye nokulungiswa kuthetha ukufezekisa iimfuno zamasimi awahlukeneyo.

I-Polyseretothertotone (i-peek)

I-Polyterethertotone yitopile ye-thermoplastic enobushushu obuphezulu kunye namandla omatshini. Iqondo lokushisa eliqhubekayo lokusetyenziswa linokufikelela kwi-260 ℃, iqondo lobushushu le-comtaneant lingadlula kuma-300 ℃. I-Peek ikwanokumelana kakuhle nemichiza, inxibe ipropathi yokunganyangeki kunye nepropathi yombane.

I-Peks inesicelo esibalulekileyo kwicandelo lezonyango, njengokwenze i-Pones, amalungu kunye nezinye izixhobo zonyango; Kwintsimi ye-aerospace, inokusetyenziselwa ukwenza iinxalenye zenqwelomoya; Kwintsimi yemoto, ukwenziwa kwemveliso yokusebenza kakuhle.peek kuye kwenza ukuba ibe yeyona ndlela ifanelekileyo yentsimbi, kungekuphela nje ukunciphisa ubunzima, kodwa kukuphucula ukusebenza kunye nokuthembeka kwamalungu.

Inkqubo yokulungiselela i-Peek inzima kwaye ixabisa kakhulu. Nangona kunjalo, ngokuphuhliswa kwetekhnoloji kunye nokwandiswa kwemveliso, iindleko zayo kulindeleke ukuba incitshiswe ngokuthe ngcembe. Okwangoku, abaphandi bahlala behlola iindlela ezintsha zokulungiswa kunye neendawo zokufunda ukuze basebenzise ngakumbi izibonelelo ze-Peek.

I-Polybimimole (PBI)

I-Polybimidamole (PBI) yi-Ultra ye-Ultra ye-Ultra iPhepha le-UNIRERY IPRENIRY IPROST ineepropathi ezizodwa. Inokuzinza kubushushu obuphezulu kakhulu, kunye namaqondo obushushu exesha elide ukuya kuthi ga kwi-370 ° C. I-PBI inozinzo oluhle kakhulu, amandla omatshini kunye nokuxhathisa imichiza.

I-PBI yenza kakuhle kwezinye iinkqubo ezinobushushu obukhulu kunye neendawo ezinzima zekhemikhali. Umzekelo, i-PBI inokusetyenziswa njengezinto eziphambili zezinto eziphambili ekuxhobiseni kweekhemikhali; Kwezinye iiseli ze-upeel amaqondo obushushu, i-PBI ikwasetyenziswa ekwenzeni izinto eziphambili.pbi kunzima ukuyiqokelela, okukhokelela kwixabiso eliphezulu. Nangona kunjalo, ngenxa yepropathi yayo eyahlukileyo, i-PBI isenokungabi nakho kumacandelo athile afuna ukusebenza kakhulu.

Ukwenzela ukuba isebenzise ngcono izibonelelo ze-PBI, abaphandi basaphonononge iindlela ezintsha kunye neendlela zokulungiswa ukuphucula ukusebenza kwalo nokunciphisa iindleko, kwaye kwandisa ngakumbi isicelo sakhe.

I-PolyarySfone (i-SPOF)

I-PolyrySfone luhlobo lweplasitiki yobunjineli kunye nokuxhathisa ubushushu obuphezulu kunye neepropathi zoomatshini. Iqondo lobushushu lokusebenzisa ixesha elide linokufikelela malunga ne-200 ℃, kwaye linokuchaswa kakuhle kunye nozinzo oluninzi.

I-SCF ineenkqubo ezithile kwicandelo lezinto zombane ze-elektroniki kunye nezombane, iimoto, i-aerospace njalo njalo. Kwicandelo lezinto zombane ze-elektroniki kunye nezombane, inokusetyenziselwa ukwenza izinto ezinganyangekiyo zobushushu kunye neenxalenye zolwakhiwo; Kwintsimi yemoto, inokusetyenziselwa ukwenza iinxalenye ze-Injini, njl.

Nangona kunjalo, i-SEP ikwajongana nemiceli mngeni, njengeendleko eziphezulu kunye nokusebenza okunzima ngakumbi. Ukwenzela ukukhuthaza ngcono kwaye uyisebenzise, ​​impumelelo yokuphucula inkqubo yayo yemveliso kunye nokunciphisa iindleko kuyafuneka. Kwangelo xesha, ukukhula okuqhubekayo kubuchwephesha kunye nokwandiswa kwesicelo kuyafuneka ukusebenzisa izibonelelo zayo ngokupheleleyo kwaye kunokwenzeka.

Shwankathela

Ukuqukumbela, ezi ntlobo zintlanu zePlastibs eziphambili zobunjineli beiplanga zobuchwephesha zineempawu zazo kwaye zidlala indima ebalulekileyo kwimimandla eyahlukeneyo. Ngenkqubela phambili eqhubekayo yesayensi kunye netekhnoloji kunye nokukhula kwesicelo semfuno yesicelo, amathuba abo okusebenza aya kubanzi, abonelela ngenkxaso eyomeleleyo kuphuhliso lwamashishini ahlukeneyo.