Polyphthalamide (PPA) numukino uhindura muri plastiki yubuhanga. Wigeze wibaza ibipima plastike yimikorere kuburyorane cyane munganda? PPA ni igice cya karirika-kristaline, impumuro nziza itanga imbaraga zisumba izindi no kurwanya ubushyuhe.
Muri iyi nyandiko, uziga imitungo idasanzwe, gusaba, kubimenyeshwa no kugereranya nibindi plastiki yubuhanga bwa PPA, gutanga ubushishozi bwa plastike nabakora.
Niki Polyphthalamide (PPA)?
PPA, cyangwa Polyphthalamide, ni ibikoresho byinshi bya plastike. Ni mu muryango wa Semi-Crystalline Aromatide Aromatide.
PPA azwiho ibintu bidasanzwe, harimo:
Imiti n'imiterere
Imiterere yimiti ya PPA igizwe nimpeta zahumuriza hamwe nitsinda ryamide. Aya matsinda yongeye kubahwa mumatsinda ya Adiphatic na Benide Amatsinda acide.
Umubare wa Cas wa PPA, ni ikiranga kidasanzwe, ni 27135-32-6.
wa PPA
| Agaciro | Umutungo |
| Gushonga | Hejuru (> 150 ° C) |
| Ubushyuhe bw'ikirahure | Hejuru (> 150 ° C) |
| Ubushyuhe bwogosha ubushyuhe | > 280 ° C. |
| Imbaraga za Tensile | Hejuru |
| Gukomera | Hejuru |
| Imbaraga Zambere Imbaraga | Hejuru kuruta plastiki zigereranywa |
| Guhuza | Hasi |
| Ikosa rya Abrosion | Hasi |
| Creep | Hasi |
| Kwishyiriraho | Hasi cyane (0.1-0.3%) |
| Kurwanya imiti | Muremure cyane, ndetse no kumiti ikaze |
| Kurwanya Ubushyuhe | Hejuru |
| Kurwanya amashanyarazi | Hejuru |
| Kurwanya kwambara | Hejuru |
| Kurwanya hejuru | Hejuru cyane |
| Kurwanya ingano | Hejuru cyane |
| Gukurikirana Kurwanya | Hejuru, ntizihungabana kubera ibintu byubushuhe |
| Kurwanya Umunaniro | Byiza |
| Umutekano | Intambara nziza, nkeya |
| Crystallinity | Bigira uruhare mu kurwanya imiti no kurwanya imashini nziza |
| Kurwanya Kwangirika | Byiza |
| Ashesi kuri Elastomers | Mu buryo butaziguye, nta mpamvu yo guhuza abakozi |
| Gutwika | Ntabwo ari ibintu byaka umuriro |
| Ubushyuhe bwo gutunganya | Hejuru (kugeza 350 ° C) |
Kugereranya nibindi plastiki yubuhanga
Polyphthalamide (PPA) igaragara hagati ya plastiki yubuhanga bitewe nuburinganire bwayo butangaje bwa mashini, ubushyuhe, na shimi. Dore uburyo PPA igereranya nibindi byakoreshwaga muri plastiki yubuhanga.
PPA na Nylon 6/6
Ugereranije na Nylon 6/6, PPA itanga imbaraga zisumba izindi no gukomera, bikwirakwiriye neza gusaba byinshi. Byongeye kandi, PPA ifite ubushyuhe bwinshi cyane, kubikesha gukomeza ubunyangamugayo ahantu hazamuwe ahantu n nylon 6/6 byagenda.
| Umutungo | PPA | Nylon 6/6 |
| Imbaraga | Hejuru | Munsi |
| Gukomera | Isumba | Gake |
| Kurwanya Ubushyuhe | Hejuru (kugeza 280 ° C) | Guciriritse (kugeza ~ 180 ° C) |
PPA VS. PA46
Iyo ugereranije na Pa46, PPA byerekana umutekano muremure. Ibi bituma PPA ihitamo ryiza muri porogaramu zirimo igihe kirekire cyo guhura n'ubushyuhe bwo hejuru. Ariko, PPA na Pa46 batanga urwego rusa na chimique, ubakemere gukora neza mubidukikije bikaze.
| Umutungo | PPA | Pa46 |
| Ubushyuhe | Hejuru | Hejuru |
| Kurwanya imiti | Bisa | Bisa |
PPA VS. PA6
Ibicuruzwa bya PPA Pay ukurikije imiterere ya mashini, gutanga imbaraga nyinshi, gukomera, no kuramba. Ariko, PPA isaba ubushyuhe bworoshye bwo gutunganya, bushobora kongera ibintu bigoye nigiciro cyo gukora ugereranije na Pa6.
| Umutungo | PPA | Pa6 |
| Imiterere ya mashini | Isumba | Munsi |
| Ubushyuhe bwo gutunganya | Hejuru (~ 350 ° C) | Munsi (~ 260 ° C) |
Guhindura PPA
Polyphthalamide (PPA) irashobora guhuza kugirango yuzuze imikorere yihariye ikenerwa binyuze muburyo butandukanye. Ibi byongerera bituma birumvikana cyane mugusaba ibyifuzo.
Gushimangira hamwe nuzuza
PPA irashobora gushimangirwa nikirahure cyangwa amabuye y'agaciro kugirango akureho imitungo yayo. Abaruhushya guteza imbere cyane, imbaraga, no kurwanya kwambara no gutanyagura. Gusaba inyungu zirimo ibirimo amazu ya thermostat hamwe na pompe yambara impeta, aho kuramba ari urufunguzo.
Ingaruka
Ongeraho Elastobs kugeza PPA yongera ubudakema, bigatuma birushaho kwishyira hamwe. Iyi miterere ni ingirakamaro cyane kubice byimpanuka, aho umutekano unegura. Ibikoresho bya elegitoronike nabyo byunguka kandi, nkuko bikeneye kwihanganira ibitonyanga biturika no guhungabana.
Kongera ubupfura : Gukora iramba ryimitwaro iyobowe
Porogaramu : Ibice by'imodoka, Amashanyarazi ya elegitoroniki
Ubushyuhe
Ubushyuhe bwongeyeho kugirango twemererwe kubahangana igihe kirekire kubushyuhe bukabije nta gutesha agaciro. Iyi miterere ningirakamaro kubice byimodoka ninganda zikora ahantu hashyushye, nko munsi-imashini zimodoka cyangwa imashini mubikorwa byinganda.
Ikirangantego
Ikirangantego cya Flame ni ngombwa kubisabwa aho umutekano wumuriro ariwo imbere. Izi nginzi zemeza ko ibikoresho bya PPA byujuje ibipimo byumutekano bifatika, bigatuma bikwiranywa muri elegitoroniki, ibikoresho bya Automotive, nibikoresho byubwubatsi.
Kunoza Umutekano wumuriro : Kugabanya gutwika no guhumeka umwotsi
Porogaramu : Electronics, ibice byimodoka, ibikoresho byo kubaka
Kwiyongera kwa PPA hamwe nizindi plastiki
PPA irashobora kwiyongera kurindi mashusho kugirango yongere imitungo yayo. Ibi byagutse uburyo butandukanye.
PPA yometseho polyphenylene sulfide (PPS)
Iyo PPA ihujwe na polyphenylene sulfide (PPS), ibisubizo nibikoresho bifite imbaraga nyinshi no gukomera. Uru ruvange rwinshi rutanga kandi irwanya ubushyuhe buhebuje, bituma bitunganya ibidukikije bikaze aho kuramba ari ngombwa.
PPA yometseho Nylon
Guhuza PPA hamwe na Nylon byongera ubukana no kurwanya ingaruka mugihe ukomeje gushikama neza. Uku guhuza nibyiza kubisabwa bigomba kuringaniza kuramba no koroshya byo gutunganya.
Gukomera no kurwanya ingaruka : Kongera kuramba mubidukikije
Umutekano uhagaze : Komeza imiterere n'imikorere mugihe cyo gukoreshwa
Gutunganya : byoroshye kubumba no gushiraho, bituma biranga byinshi
PPA yometseho telehetylene telephthalate (amatungo)
Iyo PPA yongerewe telephylene telephthalate (amatungo), uruvange ruhuza ubushyuhe bukabije, imbaraga zubukanishi, no gushikama. Byongeye kandi, itanga imiti ikomeye yo kurwanya imiti, bigatuma ineza kubisabwa bisaba kuramba no gusobanuka.
Ubushyuhe : Bahanganye n'ubushyuhe bukabije nta gutesha agaciro
Imbaraga zubukanishi : imbaraga zikomeye kandi ziramba, zikwiriye ibice byubatswe
Guhungabanya umutekano no kurwanya imiti : kwiringirwa mubidukikije bikaze
Porogaramu ya PPA
Polyphthalamide (PPA) ari indashyikirwa munganda zitandukanye kubera ubushyuhe budasanzwe, bushishikariha, n'imiti.
Inganda zimodoka
PPA ikoreshwa cyane murwego rwimodoka, cyane cyane mubushyuhe bwinshi kandi busaba imitima.
Umuhuza wa lisansi : Kurwanya Ubushyuhe bwa PPA hamwe nubushyuhe bwa shimi bituma bigira intego ya sisitemu yo gutanga amajinya.
Inzu ya transmostat : Ikomeza ubunyangamugayo bwamaniki nubwo ubushyuhe bwo hejuru, bugira moteri yizewe.
Ikibuga cya Coolant Comps : Kuramba kwa PPA nibikorwa bituma bikora mubihe bisabwa.
| zisaba Automotive | Inyungu |
| Umuhuza wa lisansi | Ubushyuhe no kurwanya imiti |
| Inzu | Kubungabunga imiterere kuri temps ndende |
| Ikirere cya coolant | Kuramba munsi y'ibihe bikomeye |
Inganda za elegitoroniki
Amashanyarazi ya PPA namashanyarazi bituma bifatika kubintu bya elegitoroniki bisaba kuramba.
Iyobowe na LEnes : Ikemura ubushyuhe bwakozwe na LED mugihe itanga inkunga ikomeye.
Kurinda insinga no kurindwa : PPA itanga ubushishozi no kurinda ibintu bidukikije, kugirango yizere igihe kirekire.
Ihuza : Ikomeje kwizerwa mubushyuhe bwinshi, ingenzi kubikoresho bya elegitoroniki.
| za elegitoroniki | Inyungu |
| Kuyoboka | Ubuyobozi buhebuje |
| Kurinda insinga | Insulation hamwe n'umutekano wibidukikije |
| Guhuza | Ituze mubihe byinshi |
Inganda
Mu nganda, PPA irabagirana hamwe no kwambara no gutuza mu bihe bibi.
PUMP yambara impeta : Kurwanya Amashusho ya Atsinsion no gushikama kwigitabilite contable neza mugihe runaka.
Ibigize imashini : kwivuza, ibikoresho, n'ibihuru bikozwe muri PPA bitanga imbaraga nyinshi kandi bambara ihohoterwa.
Ibice birwanya imiti : Kurwanya imiti ya PPA bituma bikwirakwira ibidukikije bikaze nkibimera bitunganya imiti.
| Z'INGENZI | INGINGO |
| PUMP yambara impeta | Kurwanya Abrosion Kurwanya, Guhagarara |
| Imashini | Imbaraga no Kwambara Kurwanya |
| Ibice birwanya imiti | Bahanganye na chimique ya chemical |
Ibicuruzwa byabaguzi
PPA nayo ihari mubicuruzwa byabaguzi buri munsi, itanga iramba n'imikorere.
Westthbrush na Royabush bituba : Kuramba kwa PPA no kurwanya imiti byemeza imikorere irambye mubicuruzwa byita kugiti cyawe.
Ibigize ibikoresho bifatika : Byakoreshejwe mu bice birwanya ubushyuhe kuri kosha
Ibintu byita kugiti cyawe : Urwembezo no gupakira kwisiga bivuye murambano ya PPA no kujurira.
| Ibicuruzwa | byabaguzi |
| Westthbrush / Ibirungo byumusatsi | Kurwanya imiti, kuramba |
| Ibigize ibikoresho | Ubushyuhe bwo kurwanya ibintu byo murugo |
| Ibintu byita kugiti cyawe | Imbaraga N'UBUSHAKASHATSI BW'UBUNTU |
Tekinike yo gutunganya
Gutunganya PPA bisaba tekinike yihariye. Umutungo wacyo wihariye usaba gukemura neza.
Gutera inshinge
Gutera inshinge nuburyo bwibanze bwo gutunganya PPA. Ibikoresho byinshi byo gushonga bisaba ubushyuhe bwo hejuru.
Ubushyuhe busanzwe bwo gutunganya bwa PPA burashobora kugera kuri 350 ° C (662 ° F). Ubu bushyuhe bwo hejuru bwemeza neza koresha neza na Mold.
Ariko, virusi ya PPA yo hejuru ya PPA irerekana ibibazo. Irashobora gukora mold kuzuza bigoye.
Kugenzura neza ibipimo byo gutunganya ni ngombwa. Ubushyuhe, igitutu, n'umuvuduko uteye imbaraga bigomba kuba byiza.
| Parameter | isanzwe |
| Gushonga | 330-350 ° C. |
| Ubushyuhe bwa mold | 140-180 ° C. |
| IHURIRO | 100-150 MPA |
| Umuvuduko wo gutera inshinge | Gushyira mu gaciro |
Ibikoresho byihariye birashobora kuba ngombwa. Ibibumba byinshi byo kurwanya ubushyuhe hamwe na barrel bisabwa kenshi.
Imashini no kurangiza hejuru
PPA irashobora gukoreshwa ukoresheje tekinike isanzwe. Ariko, imbaraga zayo nyinshi nubushyuhe biteza ibibazo.
Ibikoresho bigomba kwihanganira ubushyuhe bwo hejuru bwakozwe mugihe cyo kuvuza. Ibikoresho bya karbide bikoreshwa kenshi kubera kuramba.
Uburyo bukwiye bwo gukonjesha ni ngombwa. Barinda kwishyurwa no kubungabunga ubuzima bwibikoresho.
| Ibikorwa byo gusiga | byasabwe ibikoresho |
| Guhindukira | Ishirahamwe rya Carbide |
| Gusya | Imperuka yanyuma |
| Gucukura | Imyitozo ya Carbide |
Ibikorwa byo kubumba bikunze gukoreshwa. Bafasha kugera kubushake bwifuzwa birangira.
Igitabo gishobora guteza imbere ubuso. Itezimbere ubujurire.
Anneling igabanya imihangayiko yimbere. Itezimbere umutekano unyuranye.
Guturika guturika birashobora gukora matte cyangwa iposita irangira. Itanga ibishushanyo mbonera.
Tekinike yo guterana
Ibigize PPA birashobora guterana ukoresheje uburyo butandukanye. Guhitamo biterwa nibisabwa nibisabwa.
Gusudira nubuhanga busanzwe bwo kwinjira mumigabane ya PPA. Ultrasonic na laser gusudira bikoreshwa kenshi.
Gushinyagurika no kunyeganyega nabyo biroroshye. Batanga itandukaniro rikomeye, imashini.
Ubundi buryo bwo guterana harimo guhuza no guhuza no guhinga. Batanga igishushanyo mbonera noroshye.
| Uburyo bwo guterana | ibyiza |
| Gusudira | Hakomeye, ingingo zihoraho |
| Guswera | Gukurwaho, guhuza amashanyarazi |
| Kunyeganyega | Byoroshye, bikomeye |
| Gufata-bikwiye | Inteko yihuse, yoroshye |
| Guhuza | Versiatile, yifatanije nibikoresho bitandukanye |
Guhitamo tekinike yinteko biterwa nibintu bitandukanye. Guhuza ibintu, Imbaraga Zisabwa, hamwe no gukora umusaruro ni ibitekerezo byingenzi.
Igishushanyo mbonera cyibikoresho bya PPA
Gutegura PPA bisaba kubitekerezaho neza. Ibintu bitandukanye bigira ingaruka kumikorere no gukora ibikorwa bya ppa.
Igishushanyo mbonera
Igishushanyo mbonera gikwiye ni ngombwa kubice bya PPA. Iremeza imikorere myiza no kuramba.
Ubwinshi bw'inzibacyuho bugomba kurangiza. Impinduka zitunguranye zirashobora kuganisha ku guhangayika.
Igishushanyo mbonera cya rubbing no gushushanya kirashobora gutera imbere n'imbaraga. Bagomba kuba nini cyane.
Kugabanuka n'intambara bigomba kugenzurwa. Imiterere nubunini bitandukanye birashobora gusaba guhindura ibintu.
Inzitizi n'inzibacyuho n'inzibacyuho zororoka no kugabanya. Bagomba kuba bihagije kubice geometrie.
| mbonera | Igishushanyo |
| Inzibacyuho | Buhoro buhoro, irinde impinduka zitunguranye |
| RIBBING NA BOSSES | Binini bihagije kandi bishyirwa |
| Kugabanuka n'intambara | Kugenzura imiterere nubunini butandukanye |
| Umushinga ukurikirana | Bihagije kugabanuka byoroshye |
| Inzibacyuho | Bihagije kubice geometrie |
Ubushyuhe bwo Gucunga Ubushyuhe no Gutandukana
Ibigize PPA birashobora kubyara cyangwa guhura nubushyuhe. Guhuza ubushyuhe bukwiye ni ngombwa.
Imiyoboro ikonje irashobora gufasha gutandukanya ubushyuhe. Bagomba gushyirwaho neza.
Kwagura ikirere bigomba gusuzumwa. Irashobora kugira ingaruka kubipimo bitandukanye kandi bikwiye.
Guhitamo Ibikoresho no kwiyandikisha
Guhitamo amanota ya PPA no kwiyandikisha ni ngombwa. Biterwa nibisabwa byihariye bya porogaramu.
Ibibazo nka fibre yikirahure cyangwa amabuye y'agaciro birashobora kuzamura imitungo. Batezimbere imbaraga, gukomera, no gushikama.
Inyongera zirashobora gutanga ibintu byihariye. Guhisha, UV ituze, na flame redibant ni ingero zisanzwe.
| Kongeramo | umutungo |
| Lubriring | Kunoza Flow na Mold Kurekura |
| UV stabilizers | Kurwanya UV gutesha agaciro |
| Ikirangantego | Yagabanutse |
Igipimo cyo gushikama no kwikuramo ubushuhe
PPA ifite ubuhehere buke. Ariko, gushushanya kwiyumvisha ibintu bike biracyari ngombwa.
Ikimenyetso gikwiye kandi cyo kurinda gishobora kugabanya uburyo bwo gufata neza. Bafasha gukomeza gushikama.
Gukora no gutunganya ibitekerezo
Gushushanya gukora no gukora ni urufunguzo. Iremeza umusaruro unoze kandi uhenze.
Umushinga ukurikirana hamwe nuzuza byorohereza kubumba no kugabanya. Bagomba kwinjizwa mu gishushanyo.
Igishushanyo mbonera gikwiye kubara ubushyuhe bukabije bwa PPA. Gukonjesha neza no gushira ni ngombwa.
Amashanyarazi no gutunganya hejuru
Ibigize PPA birashobora gusaba imashini no kurangiza. Guhitamo tekinike biterwa nibisubizo byifuzwa.
Ibipimo bya marike bigomba kuba byiza kuri PPA. Igikoresho gikwiye cyo guhitamo no gukonjesha ni ngombwa.
Ubuhanga bwo Kurangiza hejuru nko gukurura cyangwa guturika guturika bishobora kuzamura abastasthetics. Barashobora kandi guteza imbere imitungo.
Gutegura PPA bisaba uburyo bworoshye. Ubunyangamugayo bwubaka, imicungire yubushyuhe, guhitamo ibintu, no gukora ibintu byose ni ngombwa.
Umwanzuro
Mu gusoza, PPA ya pulasitike igaragara kubiti byayo byiza, ubukanishi, na mitique. Ubushyuhe bwiburebure bwinshi nimbaraga zituma biba byiza gusaba gusaba. Ibikoresho bya PPA birabagirana mu nganda nk'imodoka, ibikoresho bya elegitoroniki, ibikoresho by'inganda, n'ibicuruzwa. Ubushobozi bwayo bwo gukora munsi yibintu bitangaje bituma bihitamo ibicuruzwa byinshi.
INAMA: Birashoboka ko ushobora kuba ushishikajwe na plastique yose
