Iipropati ezisisiseko zobunjineli bobunjineli obukhethekileyo

August 25, 2024

Inkcazo yePlastics ekhethekileyo yobunjineli

Iiplasitiki zobunjineli obukhethekileyo yiklasi yeplasitiki yobunjineli ngempumelelo enkulu, ukusetyenziswa kwexesha elide kubushushu bexesha elingaphezulu kwe-150 ℃, njengePolyphenyane Sulfide

. Ezi plastic ziqinile i-backbones, amanqaku aphezulu aphezulu kunye namakhonkco alungelelaniswe kakuhle, kwaye abonakalise uzinzo oluhle kwiindawo zobushushu obuphakathi. Iiplasitiki zobunjineli ezikhethekileyo zisetyenziswa ikakhulu kusetyenziso lombane, nge-elektroniki kunye nezodwa zokuhlangabezana neemfuno zentsebenzo ezikhethekileyo, i-corosion kwaye isetyenziselwa ukwenza izinto ze-elektroniki, izixhobo zokufakelwa, izixhobo zekhemikhali kunye neenjini ze-Injini ze-Iposti.

Ukwahlulahlulwa kweplasitiki yobunjineli obukhethekileyo

Iikhrayitheriya eziphambili zokuhlelwa kweshishini lobunjineli ekhethekileyo zibandakanya uhlobo lwezinto ezibonakalayo, iimpawu zentsebenzo kunye neendawo zesicelo. Ngokutsho kohlobo lwezinto ezibonakalayo, iiplasitiki zobunjineli obukhethekileyo zinokwahlulwa zibe yi-polyphenylene sulfide (PPS), i-PPS ye-POLYETER (PI), i-Polyether Ether (i-Polyether Ether), kunye nePolysulfone (PSF).

Ukuqaliswa kwePlastib yePlayiti yobunjineli obukhethekileyo

Imvelaphi yophando kunye nophuhliso lweeplasitiki zobunjineli obukhethekileyo ziqhutywa luhlanga lwangaphandle lwezinto zangaphandle ngelo xesha. Ngelo xesha, iinkampani ezinkulu eYurophu naseMelika zityale izibonelelo zemali ezininzi, i-Manpower Akhuthaziwe kuphuhliso. Ukususela ekuqaleni kweminyaka yo-1960 ukuya kwele minyaka yoo-1980, i-stereotypes esisiseko, oku kulandelayo waziswa kwezi ntlobo zeplasitiki yobunjineli obukhethekileyo:

1. I-Polymimide (PI)

I-Polymimide (PI), okokuqala iphuhliswe yimpumelelo ye-dupont yase-US, yegama lokurhweba laseKapple, lelika-Amorphous Polymer, tg nge-400 ℃ okanye ngaphezulu.

I-Polymimide yi-heterocyclic Polymer Pointre equlathe iringi yokubeka (-C-NH-CO-) kwimowudi ephambili yemolekyuli, ukuzinza kwemikhali, ukunyangwa kwamachiza, ukulahleka kwemitha, Ezinye iipropathi ezintle, kunye nezi ndawo kuluhlu lwamaqondo obushushu akwa--269-400 ℃ ayizukutshintsha kweqondo lobushushu, ihlelwe njengeeplanga ezithembisayo ze-Worting kule nkulungwane yama-21. Elinye lawona macala othembisa ubunjineli kwinkulungwane yama-21.

2. I-Polyamide-Ide (Pai)

I-Polyatiideimide (PAI), eyaphuhliswayo ephuhliswe phantsi kwegama lokurhweba nge-TORY CORY CO., ltd. waseJapan, i-japan, i-thermoplastic polymer ene-TRG = ° C. Iqwalaselwa njenge-polymer yokusebenza egudileyo ephezulu.

I-Polyamifimide ibonwa njenge-polymer yokusebenza egudileyo ephezulu. Ngamachiza, yeyosapho lokunciphisa kwakhona. Phakathi kwee-polymers ze-ultra-rights, i-PAI inamandla afanelekileyo okulayisha ngamaqondo obushushu aphezulu. Igcina ukuqina kwayo kufutshane neqondo lokushisa leglasi (i-TG) okanye indawo yokuthambisa i-537 ° F) kwaye ixhathise i-Starform Ands egqwesileyo ixesha elide kunye nokunganyangeki kwamandla. Ukunganyangeki kwe-bimonide-yokuyichaphazela i-Polyamide, ukungavisisisisane kunye nokuxhathisa kwimitha enkulu yamandlangeza kwintsebenzo yayo ebalaseleyo, kuyenza ilungele ukusetyenziswa kweyona nkonzo ininzi.

3. I-Polyetherimide (PeI)

I-Polyetherimide (Pei), ephuhliswe yi-GE kwiminyaka yoo-1970 phantsi kwegama lorhwebo, yi-amorphous polymer nge-TG = 217 ° C. Yindawo ye-thermoplastic enokuthi ikhutshwe kwaye ineenaliti ezenziweyo zisebenzisa iinkqubo ze-thermoplastic. Ngokungafaniyo nabarhwebi bayo, yi-thermoplastic polyomide kwaye ikhutshelwe kwaye ineenaliti ezenziweyo zisebenzisa i-thermoplastic.

I-Polyetherimide (Pei) lilungu lentsapho yasePolyomide yeZinto eziPhezulu zokuSebenza, ezibandakanya i-Polyamidemide (Pai). I-Pei yi-amorphoustistististik ye-polymer ye-polymer ibandakanya i-ether (e) yokunxibelelana ne-polyomide (PI) yemozulu. Olu hlengahlengiso luvumela i-pei ukuba inyibilike iconjululwe yinja yokuxhuzula kunye nokuphuma, nto leyo ingumda kwezinto zemveli zemveli ezifana ne-PI. Uhlobo olusisiseko lwePolyetherimide lumbala wembeko. Iipropathi zayo zibonakaliswa ngamanqanaba aphezulu-ukuya kwi-REATION Gcina iipropathi zayo emva kokuboniswa ixesha elide kwi-Steam kunye namanzi ashushu kakhulu kukufumana ingenelo enkulu kwizixhobo zokulungisa ukutya kunye nezicelo zonyango ezifuna ukucoceka kobundlobongela okanye intsholongwane.

4. Polysulfone (PSU)

I-Polysulfone (i-PSU okanye i-PSF), ngu-1960s yinkampani ye-United States Ucc ephuhlisiweyo kwaye ithengise ngempumelelo, i-Under Godmer Polymer, TG = 192 ℃.

I-Polysulfone iqulethe umsesane we-bedzene kwikhonkco eliphambili, kunye ne-sulfure atom ye-oxidation, ngenxa yoko iipropathi ze-antio2, ngenxa yoko kwenziwa koomatshini, kwaye ubukho be-Ether Binds babonelela ngobunzima obuthile . Ukongeza, iPolysulfone ikwanazo izibonelelo zokungatyhefikiyo, ukugxothwa, ukuxhathisa, njl njl. Njl.

Okwangoku i-Polysulfone i-Polysulfone i-Polysulfone ineendidi ezintathu: i-bisphenol uhlobo lwePolysulfone (PU), i-PSU), i-PSU), i-polyphenysululllfone (PPS) kunye nePolyatherfone (Pes).

5. Polyeherulfone (Pes)

I-Polylietheherfone (Pes), iphuhliswe kwaye irhweba nge-1970 yinkampani ye-ICish, i-PGSOUS ye-PERSORE, i-PG = 225 ° C. I-Biphenyl ikhonkco.

I-Polylietherlfone (Pes) Ubume bemolekyuli bungakwazi ukuzinza kwe-thermatic hydrocarbon cocations, okanye ubukhulu becala le-biphenyl, kodwa ikakhulu liqela le-Sulfone, iQela kunye ne-Phenyl ye-Phenyl. Iqela leSulfone linika ukunganyangeki kobushushu, iqela le-ether lenza i-Polymer Chain I-Polymer Can State inamanzi amnandi, kwi-P-Phenyne yenkxaso ye-P-Phenyne I-crystalline polymers.

I-Pes yaziwa ngokuba yindibaniselwano yobushushu obuphezulu obugqwesileyo, amandla aphezulu kunye nokungadli ngokupheleleyo kweplasitiki yobunjineli.

6. I-Polycular (Par)

Olu lusapho lweemveliso ze-poltic polyester ngokubanzi, enye yentengiso yokuqala kunye nentengiso yenkampani ye-Japan United Statika ekuqaleni kweminyaka yoo-1970 ukuza kugqiba ukukhulisa igama lokurhweba: i-polymer, yipolymer ye-amormis, yeso U-100 tg = 193 ℃.

I-Polycular (Par), yi-molekyuli enesimo se-bengne kunye neqela eliphambili leplasitiki yobunjineli obukhethekileyo, i-chain ephambili yendaleko, ukuphucula ukuxhaswa kobushushu 175 ℃ ℃; Ikhonkco eliphambili liqulathe ipara-kunye ne-meso-bebine yenkanyezi, ethintela i-polymer molelize ye-polymer ye-polymer, kwi-Amormers ebonakalayo. Ukungafihlisi kunye nePC, i-PMMA ithelekiswa nokungaphantsi kwe-90% yokudlulisela ukukhanya; ukugoba kakuhle kuluhlu olubanzi lobushushu, ukumelana nokunyangwa okuphezulu; Ukusebenza kakuhle kwemozulu, kunokuthintela ukuhamba kwe-iltraviolet i-350NM, iimeko zexesha elide, iimeko zexesha elide, iipropathi zoomatshini besiseko esingaguqukanga; Ngokucima i-es-edumaing, ukukhutshwa komsi okuphantsi xa ukutshisa, ukungabinatyhefu.

I-Polyrylate (Par) inokuqhutywa yinaliti, ukuphuma, ukubetha ukubumba kunye nezinye iindlela zokufudumeza kunye nokunyibilika. Ingasetyenziselwa izinto zobushushu obunganyangekiyo kunye namacandelo kwimizi-mveliso yombane, ye-elektroniki kunye ne-ofisi yemoto, kwaye ikwasetyenziswa njengezixhobo zonyango.

7. I-Polyphenylene Sulfiide (PPS)

I-polyphenyne sulfiide (PPS), iphuhliswe iphuhliswe kwaye ithengiswa yi-pipip ngeminyaka yoo-1970 phantsi kwe-Ryton yegama le-ryton, yi-88 ° C nakwi-TM = 87 ° C. I-PPS yenziwa ngamakhonkco e-Bezene kunye ne-sulfure atom ihlelwe ngokuchaseneyo, iwuse isakhiwo esiqhelekileyo esinenqanaba eliphezulu le-rystalliellity engama-75%.

I-polyphenyne sulfide (PPS) iqulethe iringi ye-Bengne kunye ne-sulfure atostity, isidanga se-crystallity, isidanga se-crystalliellity, indawo yokunyibilika ukuya kuthi ga kwi-285 ° C. Kwangelo xesha, iringi ye-bedzene ye-PPS ukubonelela ngomgangatho olungileyo, kunye nendawo yokunyibilika yePPS. Kwangelo xesha, iringi ye-Benzene ibonelela nge-PPS ngokuchaseneyo nobushushu, ngelixa i-Sulfur ye-Sulfure inika i-PPS kwinqanaba elithile lokuguquguquka. I-polyphenyne sulfiide (PPS) ichasene nokungaxhathisi ubushushu, ukubuyisa ilangatye, ukufuduswa kunye nokunganyangeki koomatshini, ukumelana nomatshini kunye nokunganyangeki kobushushu, ukumelana nobushushu bexesha elide ukuya kwi-220 ℃. Ke ngoko, i-PPS yaziwa ngokuba "yiPlastitsha yeLizwe le-Bunjiweli" emva kwePolycarbonate (PC), i-PC), iPolyster (POM), i-POM), i-POLLONE ETER (PPO).

8. I-POFL (Ether Ether Itone) (Pek)

I-PolyArylerletherkethertotone (iPaek) yi-crystalline polymer eveliswe kwi-phenylidene ivela kwi-phenylidene isuka kwi-phenylidene iqhagamshelwe yibhulorho yeoksijini kunye neqela le-carbonyl (iKebonyl). Ngenxa yesakhiwo esahlukileyo, i-polyArylesether i-ketory i-polyether ye-polyether, polyether ether itheet ketone (pekok), i-polyeether ether, kunye nenye enye iintlobo.

Phakathi kwazo, uPolyteer Ether Ketone (Pek), waqala waqulunqwa kwaye warhweba nge-1980 yinkampani yaseBritani, i-ristalline polymer, tg = 143 ℃.

I-Poly (i-Ether Ether Itone) (i-Pek) yi-polymer eneyunithi ephindayo equkethe i-ketone ye-ketone kunye ne-emer ye-ether. I-polyarylene ethe thetory ye-nquotone iqulethe umsesane we-bebid bengene, ngoko ke inobushushu obuphezulu, ukulunga kweqondo lobushushu, iipropathi zoomatshini, ukuxhathisa kombane, ukuxhathisa kwemichiza kunye nezinye iimpawu. I-PolyArylery yetoni ye-molecular ye-therther ye-ether ye-ethe kwaye yenze ukuba iguqulwe, ukuze ukwazi ukusebenzisa iindlela ze-thermoplastic ze-thermoplastic zeplanga zokubumba. Imveliso yePolyAryleryerkethertotone yelitye ihlangezwe ngokubanzi, izinzile, ukuzinza ngokwakho, kwaye ube nesidima esisezantsi, ukuze zilungele ukusetyenziswa njengamacandelo phantsi kweemeko ezinzima zokusebenza. Ukongeza, i-Index yayo yeoksijini iphezulu, akukho lula ukuyitshisa, yeyakwizinto zokuziphakamisa ezihlangeneyo, ilangatye elihle liyithobekile. Kuba ipolybeletotone iqulethe kuphela c, h, izinto ezintathu, ke irhasi emva kokudibana ingeyotyhefu, yinto engcono yokuhlawula idangatye.

Inqaku le-Peek Ling (i-TM) ukuya kuthi ga kwi-340 ℃, indawo ephezulu yokunyibilika ukuze i-Peek ilunge kakhulu. I-Fiber Reidinidinfeation Ibanga lokuhlanjwa kobushushu be-Peete ye-Peek Shaise linokuba phezulu njenge-315 ℃, kunye neqondo lexesha elide lokusebenzisa

Iqondo lokungcolisa ubushushu kwi-fiber eqinileyo lingade lingaphezulu nge-315 ° C, kwaye iqondo lexesha elide lokusebenzisa (il 94.b) linokufikelela kuma-260 ° C, kwaye iqondo lobushushu lobushushu liphezulu lama-300 ° C. Nokuba isetyenziselwa iiyure ezingama-5000 nge-260 ° C, amandla aphantse alingane nombuso wokuqala, kunye nokuzinza kobushushu kuhle kakhulu. Ngenxa yoko, i-Peek inobomi benkonzo ende kwiindawo ezinobunzima.