PPS cyangwa Polyphenylene Sulfide yabanje gutezwa imbere muri za 1960 nka polymer yo hejuru. Ikirahuze icyuho kiri hagati ya plastiki gisanzwe hamwe nibikoresho byateye imbere, gutanga imitungo idasanzwe ituma mubikorwa bitandukanye.
Muri iyi nyandiko, tuzashakisha imitungo yihariye ya PPS, porogaramu zinyuranye, uburyo bwo gutunganya, n'impamvu ari ngombwa mu nganda zitandukanye.
Imiterere yimiti ya pps
Polypheny Sulfide (PPS) itanga ubushyuhe bwinshi, iyobowe, n'imbuga idasanzwe nka kimwe cya kabiri cy'igice.
Imiterere ya molekale
Umugongo wa PPS ugizwe nibice bya Phenylene byerekanaga hamwe na sulfide ihuza. Ibi biha PPS imitungo iranga.
Sulfuru Atome Kora ubumwe bumwe hagati yimpeta ya bejene. Bahuza muri para (1,4), gukora umurongo wumurongo.
Imiterere ya Crystalline
PPS ifitiye igice cya kimwe cya kabiri cyunze imiterere, kigira uruhare mu itumanaho ryayo ryubushyuhe no kurwanya imiti.
Urwego rwa orthorhombic
Akagari ka PPS ni orthorhombic, hamwe nibipimo bikurikira:
a = 0.867 nm
B = 0.561 nm
C = 1.026 nm
Ubushyuhe bwabaze bwa Fusion kuri Britive nziza ni 112 j / g. Iyi miterere itanga PPS yacyo hejuru ya 280 ° C.
Urwego rwa Crystallinity
Urwego rwa Crystallinity muri PPS iringaniye kuva 30% kugeza 45%. Biterwa na:
Amazi menshi yiyongera:
Imbaraga
Gukomera
Kurwanya imiti
Kurwanya Ubushyuhe
Kugabanuka kristu biteza imbere:
Kurwanya ingaruka
Kurambura
Urashobora gutegura Amurfuus na PPS yambukiranya PPS:
Gushyushya hejuru yubushyuhe
Gukonjesha kuri 30 ° C munsi yingingo
Gufata amasaha ahari
Iyi miterere iha PPS imitungo myiza nko kurwanya ubushyuhe bwinshi hamwe nububiko bwimiti.
Ubwoko bwa pps plastike
PPS isigaye itunga muburyo butandukanye, buri kimwe gifite imitungo idasanzwe ijyanye no gusaba byihariye.
Umurongo pps
Ifite hafi kabiri uburemere bwa molecular ya pps isanzwe
Bivamo ubudahengane bwo hejuru, kurahira, n'imbaraga
Yakize pps
Byakozwe no gushyushya pps isanzwe imbere yumwuka (O2)
Gukiza Kugura Iminyururu Ya MoleCure kandi ikora amashami amwe
Ongera uburemere bwa molekile kandi itanga THERMOSES-Nkibiranga
Amashami
Ifite uburemere bwo hejuru cyane kuruta pps isanzwe
Ibiranga iminyururu ya polymer yaguye kumashami yumugongo
Itezimbere imitungo, ingana, na ducunga
Imbonerahamwe ikurikira igereranya uburemere bwa molecular yuburyo butandukanye bwa PPS:
| Ubwoko bwa PPS | MoleCuland Kugereranya ibiro |
| PP isanzwe | Baseline |
| Umurongo pps | Hafi ya pps ebyiri |
| Yakize pps | Yiyongereye muri PPS isanzwe kubera kwagura urunigi no guhatira |
| Amashami | Hejuru kurenza pps isanzwe |
Uburemere bwa molekile ya PP bufite uruhare rukomeye muguhitamo imitungo yayo. Uburemere bwo hejuru bwa molekilar buganisha kuri:
Ariko, irashobora kandi kuvamo ubwiyongere bwiyongereye, mugutunganya ibibazo byinshi.
Umutungo wa PP (Polyphenylene sulfide) plastiki
PPS iyerekana plastike ihuriro ryihariye ryimitungo ituma ikwiranye na porogaramu zitandukanye.
Imiterere ya mashini
PPS irekura imitungo idasanzwe, bigatuma ari byiza gusaba ibyifuzo.
Imbaraga za Tensile: Hamwe n'imbaraga za kanseri za 12.500 PSI (86 MPA), PPS irashobora kwihanganira imitwaro ikomeye itavunitse.
Kurwanya ingaruka: Nubwo ingufu zayo ziyobowe na Izod zigira ingaruka za 0.5 ft-lbs / muri (27 ~), kubikemerera gukuramo ihungabana ritunguranye.
Modulus yoroheje ya elastique: kuri 600.000 psi (4.1 GPA), PPS neza irwanya imbaraga zinama, gukomeza imiterere yubunyangamugayo.
Guhagarara hejuru: PPS ikomeza ibipimo byayo ndetse no munsi yubushyuhe bwinshi nubushyuhe, bigatuma bikwiranye nibice byubatswe hamwe no kwihanganira.
Imiterere yubushyuhe
PPS itandukanya ubushyuhe bwo mu bushyuhe no kurwanya, ingenzi kubisabwa byimisozi miremire.
Ubushyuhe bwo guhindura ubushyuhe: PPS irashobora kwihanganira ubushyuhe bugera kuri 260 ° C (500 ° f) kuri 1.8 MPA (264 PI) kuri 1.8 M (230 ° C (230 ° F (230 ° F) kuri 8.0 MPA (1,160 PSI).
Coeefficient ya Sormal transnsion: PPS yerekana impinduka nkeya hamwe nubushyuhe kuri 4.0 × 10⁻⁵ muri / muri / 7.2 × 10⁻⁵ M / ° C).
Ubushyuhe ntarengwa bwa serivisi: PPS irashobora gukoreshwa ubudahwema mu kirere ku bushyuhe bugera kuri 220 ° C (428 ° F).
Kurwanya imiti
PPS izwiho kurwanya imiti idasanzwe yo kurwanya imiti, bigakwirakwira ibidukikije bikaze.
Kurwanya ubushuhe: PPS ikomeje kutagira ingaruka ku bushuhe, butuma iramba kandi yizewe mu bihe bitoroshye.
Kurwanya imiti itandukanye: PPS itandukanya imiti ikaze, harimo acide ikomeye, ibishishwa, ibiti bya ordonse, imiyoboro ya okiside, na hydrocarbone.
Umutungo w'amashanyarazi
Amashanyarazi ya PPS yerekana ibintu bikwiranye no gusaba ibikoresho bya elegitoroniki.
Indwara ndende: PPS ikomeza kurwanya ibihugu byinshi ndetse no mu rwego rwo hejuru-indwara z'ubushyuhe bwa 10⊃1; ⁶ ω · cm.
Imbaraga zimyidagaduro: Hamwe nimbaraga zimirire ya 450 v / Mil (18 KV / MM), PPS iremeza ko ubyerekeranye.
Ibindi bikoresho
PP itanga ibindi byinshi byifuzwa:
Kurwanya Flame: Amashanyarazi menshi ya PPS yatsinze UL94v-0 ibipimo nta bicuruzwa byinyongera bya flame.
Modulus ndende mugihe yashimangiwe: Gushimangirwa PPS amanota ya PPS yerekana modulus, kuzamura imbaraga zubuyani.
Gukuramo amazi make: hamwe namazi yinjira mumasaha 0.02 gusa nyuma yamasaha 24 yo kwibizwa, PPS nibyiza kubisabwa bisaba ubushuhe buke.
Imbonerahamwe ikurikira muri make imitungo yingenzi ya PPS PLOCTIS:
| k'umutungo | Agaciro |
| Imbaraga za Tensile (ASTM D638) | 12.500 PSI (86 MPA) |
| Izod Ingaruka (ASTM D256) | 0.5 ft-lbs / muri (27 j / m) |
| Flexil Modulus (ASTM D790) | 600.000 PSI (4.1 GPA) |
| Ubushyuhe bwo guhindura ubushyuhe (ASTM D648) | 500 ° F (260 ° C) @ 264 Psi |
| Coefficient yo Kwagura SORMANION | 4.0 × 10⁻⁵ muri / muri / ° F. |
| Ubushyuhe ntarengwa bwo guhoraho | 428 ° F (220 ° C) |
| Uburebure bwUbunini (ASTM D257) | 10⊃1; ⁶ ω · cm |
| Imbaraga zimyidagaduro (ASTM D149) | 450 v / MIL (18 KV / MM) |
| Kwinjira mumazi (ASTM D570, 24H) | 0.02% |
Iyi mitungo ituma PPS ihitamo ryiza kubisabwa bisaba imikorere minini, kuramba, no kwizerwa mubidukikije bigoye.
Inzira yo gukora ya pps plastiki
Igisubizo cya sodium sulfide na dichlorobenzene muri polar porvent kugirango utange polypheny sulfide (pps)
Udushya hakiri kare muri PPS umusaruro
Inkuru ya PPS yatangiye mu 1967 hamwe na Edmonds na Hill kuri Philips Petroleum. Batezimbere gahunda yambere yubucuruzi munsi yitsinda ryamazi ya Ryton.
Ibintu by'ingenzi biranga inzira y'umwimerere:
Ubuhanga bugezweho bwo gukora
Uyu munsi umusaruro wa PPS wahindutse cyane. Inzira zigezweho Intego:
Imyumiro na synthesis
Umusaruro wa PPS urimo akatiba wa chimie. Dore resept yibanze:
Kuvanga sodium sulfide na dichlorobenzene
Ongeramo polar - urugero, n-methylpyRelidone)
Shyushya hafi 250 ° C (480 ° F)
Reba Ubumaji Bubaho!
Inzira yo gukiza n'ingaruka zayo
Gukiza ni ngombwa kugirango ugabanye PPS. Bibaho hafi yingingo ishonga hamwe numwuka.
Ingaruka zo Gukiza:
Uruhare rwa Pololar Presvents muri PPS umusaruro
Polar Demoven nintwari zitaringaniye za PPS umusaruro. :
Korohereza reaction hagati ya sodium sulfide na dichlorobenzene
Fasha kugenzura ibiro bya molemer
Hindura ibintu byanyuma bya PPS
Polay isanzwe ya polan yakoreshejwe:
Buri gisubizo kizana uburyohe bwarwo kuri Pamps, bigira ingaruka kubicuruzwa byanyuma.
Posthenylenelene sulfide (PPS) plastike munganda
PPS PLUST isanga ikoreshwa mu nganda zinyuranye kubera guhuza bidasanzwe byumutungo.
Automotive na Aerospace
Mu nzego zimodoka na Aerospace, PPS ikoreshwa mubice bisaba kuramba, kurwanya ubushyuhe, no gushikama imiti.
Ibikoresho bya moteri: PPS ikoreshwa mu bihuza, Inzu, hamwe no mu mashanyarazi, aho kurwanya ubushyuhe n'imbaraga z'ubushyuhe ni ngombwa.
Siya Sisitemu Ibice: Ibigize PPS bikoreshwa muri sisitemu ya lisansi kubera kurwanya imiti nubushobozi bwo guhangana nubushyuhe bwo hejuru.
Imbere yindege: PPS iboneka mu ndege zo kwigomeka hamwe nuduce twimbere, aho imiterere yoroheje kandi iramba kandi iramba ni nziza.
Ibikoresho bya elegitoroniki nibice byamashanyarazi
Amashanyarazi ya PPS atuma ari byiza kuri porogaramu ya elegitoroniki n'amashanyarazi.
Guhuza na Subilators: PPS ikoreshwa mubahuza na susulators kubera imbaraga zayo zo hejuru nimbaraga zubushyuhe.
Ikibaho cyumuzunguruko: PPS isanga ikoresha mubuririro bwumuzunguruko, gushyigikira miniturisation n'imikorere minini.
Microeleckronics Porogaramu: PPS irakwiriye gushinga amakoronya, itanga imitungo myiza myiza hamwe nibiranga.
Inganda zitunganya imiti
Kurwanya imiti bya PPS bituma bikwirakwira kubice byerekanwe kumiti ibaho.
Indangagaciro na pompe: PPS ikoreshwa muri Valves, pompe, hamwe na fimps mubisabwa gutunganya imiti kuko bihanganira imiti ikaze ku bushyuhe bwo hejuru.
Akayunguruzo: PPS ikoreshwa mugushungura imipira, iharanira ubuziraherezo hamwe nubushyuhe bwa sima muri sisitemu yo kurwara.
Ikidodo na gaske: PPS nibyiza kuri kashe na ganeke mubidukikije, bitanga imikorere ndende no kurwanya kwangirika.
Ibikoresho by'inganda
PPS ikoreshwa mubikoresho byinganda kubikoresho byo kwambara no imbaraga zubukanishi.
Ibikoresho no kwivuza: PPS ikoreshwa mubikoresho, kwivuza, nibindi bigize birwanya isaba imbaraga nyinshi zubukanishi na buringanire.
Ibigize compressor: PPS ikoreshwa muri compressor Vanes kuko itanga imbaraga nyinshi nimbaro mugusaba ibyifuzo byinganda.
Porogaramu irwanya-PPS ibice bikoreshwa mugushira hamwe nibihuru, bitanga amakimbirane make no kwambara cyane muri mashini yinganda.
Inganda za semiconductor
PPS isanga ikoreshwa mu nganda za semiconductor kubera ubuziranenge bwayo n'imitungo yo kwishura.
Ibikoresho bya Semiconductor bigize: PPS ikoreshwa mu bihuza, hamagara gari ya moshi, inkinzo z'ubushyuhe, no kubara disiki y'ibikoresho byo ku musaruro wa Semiconductor.
Amanota yihariye ya Semiconductor Porogaramu: Icyiciro cyihariye cya PPS nka Tecatron SE na SX byagenewe gusaba semiconductor, gutanga ubuziranenge buhanitse kandi butezimbere.
Ubwubatsi
PP ikoreshwa muburyo butandukanye bwubuhanga.
Compressor hamwe nibice bya pompe: PPS ikoreshwa muri compressor hamwe nibice bigize pompe bitewe no kurwanya imiti nububasha bwa mashini.
Urunigi ruyobora hamwe na plaque fatizo: PPS isanga ikoreshwa mu rugi n'ibisahani fatizo, itanga kwambara no guharanira kurwanya no gushikama.
Izindi nganda
Pps plastike ikoreshwa mu zindi nganda:
Imashini yimyenda: Ibigize PPS bikoreshwa mu gusiga irangi, gucapa, no gutunganya ibikoresho byo gutunganya, gutanga iramba no kurwanya imiti.
Ibikoresho byubuvuzi: PPS ikoreshwa mubice byibikoresho byo kubaga kubera kurwanya imiti nubushobozi bwo guhangana na sterilisation.
Ibikoresho bya peteroli na gaze: PPS ikoreshwa mubikoresho byo hasi, kashe, hamwe nabahuza, aho bihuza, aho kurwanya imiti nubushyuhe bwinshi ari ngombwa.
Imbonerahamwe ikurikira muri make ibyifuzo byingenzi bya PPS kuri plastiki munganda zitandukanye:
| Inganda | Gusaba |
| Automotive na Aerospace | Ibice bya moteri, ibice bya lisansi, intercraft |
| Ibikoresho bya elegitoroniki | Abahuza, Abasusure, imbaho z'umuzunguruko, microelectronics |
| Gutunganya imiti | Indangagaciro, pompe, Akayunguruzo, kashe, gaskes |
| Ibikoresho by'inganda | Ibikoresho, kwikorera, guhuza ibice, ibice birwanya imirwano |
| Semiconductor | Ibice byimashini, amanota yihariye kumusaruro wa semiconductor |
| Ubwubatsi | Compressor n'ibice by'ibirungo, ubuyobozi urunigi, amasahani base |
| Imyenda | Gusiga irangi no gucapa ibikoresho, imashini zitunganya |
| Ubuvuzi | Ibice by'ibikoresho byo kubaga |
| Amavuta na gaze | Ibikoresho byo hasi, kashe, guhuza |
Polypheny Sulfide (PPS) Ibikoresho Byimiterere
Inyongeramubano zitandukanye no gushimangira birashobora gukoreshwa kugirango wongere imitungo ya PPS.
Inkingi no gushimangira
Imbonerahamwe ikurikira igereranya imitungo yuzuye, ibirahure-bishimangirwa, hamwe nubutare bwuzuye pps:
| umutungo (igice) ikirahuri | cyuzuye | (40%) | ikirahuri-amabuye y'agaciro yuzuye * |
| Ubucucike (kg / l) | 1.35 | 1.66 | 1.90 - 2.05 |
| Imbaraga za Tensile (MPA) | 65-85 | 190 | 110-130 |
| Kurangiza kumena (%) | 6-8 | 1.9 | 1.0-1.3 |
| Flexiul Modulus (MPA) | 3800 | 14000 | 16000-19000 |
| Imbaraga zoroheje (MPA) | 100-130 | 290 | 180-220 |
| Izod Yashushanyije Ingaruka (KJ / M⊃2;) | - | 11 | 5-6 |
| HDT / A @ 1.8 MPA (° C) | 110 | 270 | 270 |
* Ukurikije ikirahuri / amabuye y'agaciro
Inyongeramubano zihariye zo kuzamura umutungo
Inyongeramuzi zihariye zirashobora gukoreshwa muguhitamo no kuzamura imitungo yihariye ya PP:
Alkali Medble Metalicates kugirango agenzure vino
Alkali Meckani Sitali, Alikali Metal Sulferi, Acide acide, na olomers ya silyl ether irashobora gukoreshwa mugukoresha ishoka na vicositity ya PPS.
Chloride ya calcium kuburemere bwa molecular yiyongera
Guhagarika copolymers kugirango uteze imbere ingaruka
Sulfonic Acide Esters Kubipimo byigipimo cya Crystallsation
Imbonerahamwe ikurikira iravuga muri make inyongera zikoreshwa mubikorwa byihariye:
| Ibisabwa mu mutungo | biba inyongeramusaruro zikwiye |
| Gushonga hasi, viso ndende | Alkali Metali Sinali, Icyuma cya Alkali, Acide acide, olomers ya silyl ether ether ether |
| Kongera uburemere bwa molecular | Chloride ya calcium yongeyeho mugihe cyo kwiga |
| Kunoza ingaruka zo kurwanya ingaruka | Kwinjiza kuri copolymers mubikorwa byambere |
| Kwiyongera kwingano | Sulfonic aside hesters hamwe numukozi wa aricleat |
| Kongera ubushyuhe buhamye, ubushyuhe buke bwa Crystall | Icyuma cya alkali cyangwa alkali kwisi yicyuma |
Tekinike yo gutunganya pps plastiki
PPS ikomeza gutunganywa ukoresheje tekiniki zitandukanye, harimo kubumba ishizweho, gukandagira, guhubuka, no gushushanya.
Gutera inshinge
Gutera inshinge nuburyo busanzwe bwo gutunganya kuri PPS, batanga umusaruro mwinshi kandi neza.
Ibisabwa byumye
Ubushyuhe nigitutu
Ubushyuhe bwa Cylinder busabwa kuri PPS ni 300-320 ° C.
Ubushyuhe bwa Mold bugomba kubungabungwa hagati ya 120-160 ° C kugirango tumenye neza kandi tugabanye intambara.
IHURIRO RUTANDA YA 40-70 MPA ibereye ibisubizo byiza.
Umuvuduko wa Screw wa 40-100 wasabwa kuri PPS.
Ibitekerezo bya Mold
Bitewe na PPS nkeya, ubukana bwa Mold bugomba kugenzurwa kugirango birinde kumeneka.
Kubwuzuzanya bwa PPS, ubushyuhe bwo murwego rwohejuru bugomba gukoreshwa mu kwirinda kwambara kuri barriel, inkubi y'umuyaga, na fera.
Kuzamuka
PPS irashobora gukingirwa muburyo butandukanye, nka fibre, firime, inkoni, nibisate.
Guhubuka
PP irashobora gutunganywa ukoresheje tekinike yo kubumba.
Imashini
PPS irakenewe cyane, yemerera guhimbaza igihimbano kandi bigoye.
Akamaro ko gukama mugutunganya
Mbere yo kumisha PPS ni ngombwa kugirango habeho ibisubizo byiza byo gutunganya.
Imbonerambo ikurikira muri make tekinike yo gutunganya nibitekerezo byabo byingenzi:
| gutunganya tekinike | yibanze |
| Gutera inshinge | Mbere yo gukama, ubushyuhe nigitutu cyimiturire, ubukana |
| Kuzamuka | Imiterere yo kumisha, kugenzura ubushyuhe, fibre na firime |
| Guhubuka | Ubushyuhe buringaniye, gutekereza ku manota yuzuye |
| Imashini | Guhitamo guteka, inzira ya Anneling, kugera kubisobanuro |
Mugusobanukirwa no guhitamo ubu buryo bwo gutunganya, abakora barashobora gutanga ibice byiza bya PPS nibigize kuri porogaramu zitandukanye.
Igishushanyo mbonera cya porogaramu ya PPS
Iyo ushushanyijeho PLPS, ibintu byinshi bigomba gufatwa nkuburenganzira bwo gukora neza hamwe nibiciro.
Guhitamo PPS kubisabwa byihariye
Guhitamo PPS kubisabwa byihariye bisaba gusuzuma neza umutungo wayo wihariye.
Kurwanya imiti
PPS irwanya imiti ikaze ituma ikwiranye no gusaba mubikorwa byo gutunganya imiti nibikoresho byinganda.
Ihanganye no guhura na acide ikomeye, ibishishwa, ibiti bya kama, ibimama bya okiside, na hydrocarbone.
Ubushyuhe bwinshi
Umutekano
Kuvuka no kurangiza gutekereza
PP irashobora gukoreshwa kugirango yihanganire hafi, bigatuma bikwiranye nibice bigoye, byemejwe.
Imashini irashobora gutera ubuso bwo gucika hamwe nibibazo byimbere muri PPS.
Ibi bibazo birashobora guhungabana kubera guhimba no gukoresha ibikono bikwiye.
Ibikorwa bidahumuriza, bikonjesha amazi, nko guhuriza hamwe umwuka hanyuma utere imigeri, birasabwa kubageraho hejuru yubuzima bwiza.
Gutunganya ibipimo hejuru yubushyuhe
PPS ikomeza umutekano mwiza ucukura ahantu hatandukanye.
Igiciro cyagenwe gigereranijwe nibindi bikoresho
Mugihe PPS itanga imikorere myiza, irahenze kuruta plastique yubuhanga.
Abashushanya bagomba gusuzuma igipimo cyibiciro byo gukoresha PPS.
Ibindi bikoresho, nka peek, birashobora gufatwa nkibisabwa bike.
Nyamara, PPS idasanzwe yimitungo ikunze gutsindishiriza igiciro cyayo cyo hejuru muburyo bwihariye.
Ibidukikije n'umutekano
Pops isanzwe ifatwa nkumutekano kandi udafite uburozi, ariko protocole ikwiye kandi yumutekano igomba gukurikizwa.
PPS irashobora gutera ingaruka ku buzima bwa muntu n'ibidukikije iyo bidakemuwe neza cyangwa byakoreshejwe bidakwiye.
Amasezerano meza yumutekano akwiye gukurikizwa kugirango ugabanye ingaruka.
PPS ifite uv irwanya, bigatuma bidakwiriye gusaba hanze adafite cootings ikingira.
Imbonerahamwe ikurikira muri make ibitekerezo byingenzi bya progaramu ya PPS:
| Gushushanya ibitekerezo | byingenzi |
| Guhitamo PPS kubisabwa byihariye | Kurwanya imiti, gushikama cyane, gushikama duhamye |
| Gukubita no kurangiza | Gukata, gukonjesha bikwiye, hejuru hejuru no guhangayikishwa byimbere |
| Gutunganya ibipimo hejuru yubushyuhe | Impinduka ntoya zidasanzwe, imikorere yizewe mubihe bitandukanye |
| Ibitekerezo byafashwe | Igiciro cyo hejuru kuruta plastiki gisanzwe, gusuzuma inyungu-inyungu, ubundi buryo |
| Ibidukikije n'umutekano | Mubisanzwe umutekano, gutunganya neza hamwe na protocole yumutekano, ibikesha uv |
Umwanzuro
PPS plastike itanga uburyo budasanzwe nibikorwa byinshi, bigatuma ari byiza gusaba ibyifuzo. Kurwanya imiti, ituze ryumuriro, nimbaraga zubukanishi zemeza kwizerwa munganda.
Gusobanukirwa na PPS, gutunganya uburyo, no gutegura umurongo ngenderwaho ni ngombwa kugirango ubone ubushobozi bwayo. Hamwe na porogaramu ikwiye, PPS ikora ibicuruzwa birambye mumodoka, aerospace, ibikoresho bya elegitoroniki, nibindi byinshi.
INAMA: Birashoboka ko ushobora kuba ushishikajwe na plastique yose
