PP (Polypropilene) Plastike: Ibiranga, imikoreshereze, uburyo bwo gukora, hamwe n amanota atandukanye

Waba warigeze wibaza icyatuma ibintu bya buri munsi nkibikoresho byibiribwa, ibice byimodoka, nibikoresho byubuvuzi biramba? Igisubizo kiri muri plastiki ya polypropilene (PP). Ibi bikoresho bitandukanye nibyingenzi mubikorwa byinshi kubera imiterere yihariye.

Muri iyi nyandiko, tuzasesengura ibiranga, imikoreshereze, nuburyo bwo gukora plastike ya PP. Uzamenya ibyiciro bitandukanye bya PP n'impamvu ari ngombwa mubikorwa bigezweho.

Polypropilene (PP) ni iki?

Polypropilene (PP) ni thermoplastique itandukanye. Nubwoko bwa polymer buri mumatsinda ya polyolefin. PP izwiho gukomera no guhinduka. Ikoreshwa mu nganda zinyuranye kubera imiti irwanya imiti kandi ikanashonga cyane.

Imiterere yimiti nibigize

Polypropilene ifite imiterere yoroshye. Igizwe no gusubiramo ibice bya propylene monomers. Uyu murongo wa hydrocarubone polymer ufite bike cyangwa bidahagije. Ifite itsinda rya methyl ryometse kuri buri kintu gisimburana karubone. Iyi miterere iha PP imiterere yihariye.

Imiti yimiti ya polypropilene ni (C3H6) n. Kubaho kwa methyl bigira ingaruka kumiterere yumubiri. Yongera kristu yo gushonga kandi ikongerera polymer guhinduka.

Amateka n'iterambere rya PP

Iterambere rya polypropilene ryatangiye muri 1950. Giulio Natta, umuhanga mu by'imiti w’umutaliyani, yagize uruhare runini mu kurema. Yakoze resin ya mbere ya polypropilene mu 1954. Umusaruro w’ubucuruzi watangiye mu 1957. Kuva icyo gihe, PP yabaye imwe muri plastiki zikoreshwa cyane.

Guhindura PP kwateye imbere gukura. Ihuza neza nuburyo butandukanye bwo guhimba. Uku guhuza n'imihindagurikire yabemereye gusimbuza ibindi bikoresho muri porogaramu nyinshi. Muri iki gihe, isi ikenera polypropilene ni myinshi kandi ikomeje kwiyongera.

Kuki PP ari ngombwa?

Imiterere yihariye ya Polypropilene ituma iba ngombwa mu nganda nyinshi. Imiti yacyo irwanya imiti hamwe no gushonga cyane ningirakamaro mubikorwa bisaba kuramba. PP nayo yoroshye, ifasha kugabanya ibiciro byubwikorezi.

Mu nganda zitwara ibinyabiziga, PP ikoreshwa mu bice by'imodoka kubera ubukana bwayo kandi bworoshye. Mu gupakira, ubushobozi bwa PP bwo guhangana nubushyuhe bwo hejuru butuma biba byiza mubiribwa hamwe nudupapuro twacupa. Imikoreshereze yacyo mubikoresho byubuvuzi nayo iragaragara kubera ubushobozi bwayo bwo kuboneza urubyaro.

Polypropilene irashobora gutunganywa hakoreshejwe uburyo butandukanye. Gutera inshinge nuburyo busanzwe. Iyi nzira yemerera gukora imiterere n'ibishushanyo bigoye. Ubushyuhe buke bwa PP butuma bukwiranye nubuhanga bwo gukora.

Ibiranga Polypropilene (PP)

Polypropilene (PP) ifite urutonde rwibintu bitangaje bituma ihitamo hejuru kubikorwa bitandukanye. Reka twibire mumubiri, ubukanishi, ubushyuhe, na chimique itandukanya PP.

Ibintu bifatika

Imiterere ya PP igice cya kirisiti itanga uburyo budasanzwe bwo guhuza imbaraga no guhinduka. Iyi polimoplastique polymer yerekana uburinganire hagati yo kuramba no guhuza n'imihindagurikire.

Ku bijyanye n'ubucucike n'uburemere, PP ni nyampinga woroheje. Itanga imbaraga zishimishije-ku bipimo, bigatuma biba byiza kubicuruzwa aho buri garama ibara.

PP irashobora kuba mucyo cyangwa idasobanutse, bitewe nuburyo bwihariye. Ubu buryo bwinshi butuma buhuza ibyifuzo byinshi byuburanga.

Ibikoresho bya mashini

Gukomera no kuramba niho PP igaragara. Irashobora kwihanganira ingaruka zikomeye no kwambara, bigatuma ihitamo kwizewe kubisabwa gusaba.

PP irwanya umunaniro hamwe na elastique nayo iragaragara. Irashobora gukemura ibibazo byinshi idatakaje imiterere cyangwa ubunyangamugayo, ikemeza imikorere irambye.

Nimbaraga zidasanzwe kandi zikomeye, PP irashobora gukomeza imiterere yayo mukibazo. Ibi bituma bikwiranye na porogaramu zisaba guhinduka no gukomera.

Ibyiza bya Thermal

PP ifite aho ishonga cyane, mubisanzwe hafi 160 ° C (320 ° F). Ubu bushyuhe bwo guhangana nubushuhe butuma bugumana imiterere yubushyuhe bwo hejuru.

Kubijyanye nubushyuhe bwumuriro, PP ninziza nziza. Irashobora gufasha kugenzura ubushyuhe no gukumira ihererekanyabubasha, ikagira agaciro mubikorwa bitandukanye byo gucunga amashyuza.

Ibikoresho bya Shimi

Kimwe mu bintu PP igaragara ni uburyo bwiza bwo kurwanya imiti. Irashobora kwihanganira guhura na acide nyinshi, shingiro, hamwe na solde bititesha agaciro cyangwa gutakaza imitungo yabyo.

PP ifite kandi imbaraga zo kurwanya indwara zoroshye, ibumba, na bagiteri. Ibi bituma uhitamo isuku yo gupakira ibiryo, ibikoresho byubuvuzi, nibindi bikorwa aho isuku ari ngombwa.

ku mutungo	Ibisobanuro
Ubucucike	Ubucucike buke, bworoshye
Ingingo yo gushonga	Hafi ya 160 ° C (320 ° F)
Kurwanya imiti	Kurwanya bihebuje kuri acide, shingiro, hamwe na solve
Kurwanya umunaniro	Irashobora kwihanganira imihangayiko isubirwamo idatakaje imiterere cyangwa ubunyangamugayo

Porogaramu Zisanzwe za Polypropilene (PP)

Gusaba Ubuvuzi

Polypropilene (PP) thermoplastique ikoreshwa cyane mubuvuzi. Imiti irwanya imiti ituma iba nziza kubikoresho byubuvuzi nibikoresho. Muri ibyo bikoresho harimo siringe, ibikoresho byo kwa muganga, ibikoresho by'ibinini, n'amacupa y'icyitegererezo.

PP irashobora kwihanganira uburyo bwo guhagarika amavuta. Ubu bushobozi nibyingenzi mukubungabunga isuku mubidukikije. Ubushobozi bwayo bwo kwihanganira ubushyuhe bwo hejuru butitesha agaciro butanga ingirakamaro kandi nziza.

Imiti myiza yo kurwanya imiti ya PP nayo irinda kwanduza. Ibi bituma iba ibikoresho byemewe mubuvuzi aho umutekano nigihe kirekire aricyo cyambere.

Inganda zitwara ibinyabiziga

Mu nganda zitwara ibinyabiziga, PP ihabwa agaciro cyane. Ikoreshwa mubice byimodoka nkibibaho, ibisumizi, hamwe na trim. Ingaruka zo guhangana ningaruka zifatika zituma ibyo bice bishobora kwihanganira kwambara no kurira buri munsi.

PP iroroshye kandi iroroshye. Ibi bigabanya uburemere rusange bwimodoka, kuzamura imikorere ya lisansi. Ifasha kandi mugukora imiterere igoye, tubikesha uburyo bwo gutera inshinge.

Imiti myiza irwanya imiti ya PP iremeza ko ishobora kurwanya amavuta, amavuta, nandi mavuta yimodoka. Uku kuramba kwagura ubuzima bwibigize imodoka, bigatuma PP ihitamo neza kubakora.

Inganda zipakira

PP ni amahitamo azwi cyane mubikorwa byo gupakira. Ubwinshi bwayo butuma bukoreshwa muburyo bworoshye kandi bukomeye. Kubipakira byoroshye, firime ya PP ikoreshwa mubiribwa no gupakira ibiryo.

Porogaramu ipakira neza irimo ibikoresho, ibiryo by'icupa, no gufunga. PP irwanya gushonga cyane ireba ko ishobora gukora ibiryo bishyushye bitarinze guhinduka. Imiti yacyo irwanya ruswa ikora neza kugirango ibike ibicuruzwa bitandukanye.

Ubushobozi bwa PP bwo gukora imitungo yibanze ni ingirakamaro mu gupakira bisaba gufungura no gufunga inshuro nyinshi, nk'amacupa ya shampoo n'ibikoresho by'ibiribwa.

Inganda

Polypropilene nayo ikoreshwa mu nganda z’imyenda. Ikoreshwa mugukora imyenda, itapi, hamwe na upholster. Ibikoresho biri hasi yubucucike bworoshye bituma byoroha kwambara.

PP irazwi cyane mu myenda ya siporo n'ibikoresho birwanya ikirere. Ubushobozi bwayo bwo gukuraho ubuhehere butuma uwambaye akuma. Ibi ni ingirakamaro cyane cyane kumikino ngororamubiri no hanze.

Imyitwarire myiza yo kurwanya umunaniro wa PP yemeza ko imyenda ikozwe muri yo iramba. Barashobora kwihanganira gukoreshwa no gukaraba badatakaje imitungo yabo.

Ibicuruzwa byabaguzi

PP yiganje mubintu bitandukanye byo murugo. Harimo ibikoresho, ibikinisho, nibikoresho. Ingaruka zayo zo kurwanya imbaraga zituma biba byiza kubintu bigomba gukomera.

Mu gikoni, PP ikoreshwa mugukora ibikoresho biramba hamwe nibikoresho. Kurwanya imiti myiza cyane birinda gukora ibintu byokurya. Ibi birinda umutekano no kuramba kubikoresho byo mu gikoni.

Kubikinisho, PP ifite ibikoresho byinshi byo kubika ubushyuhe byerekana ko bifite umutekano kubana. Ibikoresho ntibitwara ubushyuhe, bigabanya ibyago byo gutwikwa. Cyiza cyananiwe kurwanya umunaniro cyikinisho cyerekana ko ibikinisho bishobora kwihanganira gukoreshwa nabi nabana.

Uburyo bwo Gukora Polypropilene (PP)

Inzira ya Polymerisation

Polypropilene (PP) plastike ikorwa binyuze muburyo bwa polymerizasiyo. Ibi birimo guhuza monomers ya propylene muri polymer. Hariho uburyo butatu bwingenzi: guhubuka, gukemura, hamwe nicyiciro cya gaz.

Muburyo bworoshye, propylene ivanze na diluent. Cataliste yongeweho kugirango itangire reaction. Polimeri ikora nkibishishwa, hanyuma igatandukana ikuma.

Inzira yo gukemura irashonga propylene mumashanyarazi. Catalizator itangiza polymerisation, hanyuma polymer ikagwa hanyuma ikuma.

Inzira ya gaze ikoresha gaze ya propylene. Cataliseri yongeyeho, kandi polymer ikora nkifu. Ubu buryo bukora neza kandi burakoreshwa cyane.

Catalizator igira uruhare runini muriyi nzira. Bagenzura igipimo cya reaction nuburyo bwa polymer. Ziegler-Natta catalizaires ikoreshwa cyane. Bafasha kubyara polipropilene yo mu rwego rwo hejuru ifite imiterere yihariye.

Gutera inshinge

Gutera inshinge nuburyo bwingenzi bwo gukora polipropilene (PP) resin. Muri ubu buryo, PP yashonze yatewe mubibumbano. Ifumbire isobanura imiterere yibicuruzwa byanyuma.

Uburyo bwo gutera inshinge butangirana no gushyushya PP kugeza bishonge. Ubushyuhe bwo gushonga buri hagati ya 200 ° C na 250 ° C. Plastike yashongeshejwe noneho yinjizwa mu cyuho. Nyuma yo gukonjesha, ifu irakingurwa, nibicuruzwa birasohoka.

Gutera inshinge birahinduka kandi neza. Byakoreshejwe mugukora ibicuruzwa bitandukanye. Ibintu bisanzwe birimo ibice byimodoka, ibikoresho byo murugo, nibikoresho byubuvuzi. Ubuhanga bwo gukora inshinge butuma imiterere igoye kandi neza.

Gukabya

Extrusion nubundi buryo busanzwe bwo gutunganya polypropilene (PP) polymer. Mugusohora, PP irashonga kandi igahatirwa gupfa kugirango ikore ishusho ndende. Iyi shusho irashobora gukata cyangwa kuzunguruka mubicuruzwa.

Igikorwa cyo gukuramo kirimo kugaburira pellet ya PP muri extruder. Pellet zirashyuha kugeza zishonge. PP yashongeshejwe noneho isunikwa mu rupfu. Imiterere y'urupfu igena ibicuruzwa byanyuma.

Extrusion ikoreshwa mugukora imiyoboro, impapuro, na firime. Filime ya PP ikoreshwa kenshi mubipfunyika kubera guhinduka kwayo n'imbaraga. Gukuramo firime ya PP birashobora kubyara firime zombi hamwe na firime yerekanwe (BOPP).

Blow Molding

Gukubita ibishishwa bikoreshwa mu gukora ibice bya pulasitike bidafite akamaro. Nubuhanga busanzwe bwo gukora amacupa nibikoresho. Inzira itangirana no gushonga PP no kuyikora muri gereza cyangwa preform.

Muburyo bwo kubumba , gereza ishyirwa mubibumbano. Umwuka uhita uhuhiramo, bigatuma waguka kandi ugafata imiterere. Ibicuruzwa birakonje kandi bisohorwa mubibumbano.

Gukubita ibicu ni byiza gukora ibipfunyika bikomeye. Ikoreshwa kubicuruzwa nk'amacupa, ingofero, no gufunga. Tekinike itanga uburebure bumwe hamwe no kurangiza neza.

Ibyiciro bitandukanye bya PP Plastike

PP plastike iza mubyiciro bitandukanye, buri kimwe gifite imiterere yihariye hamwe nibisabwa. Kuva kuri homopolymers kugeza kuri cololymers hamwe n amanota adasanzwe, hariho PP kubikenewe byose.

Homopolymers

Homopolymers nimiryango rusange-igamije imirimo yisi ya PP. Biratandukanye kandi birashobora gukoreshwa muburyo butandukanye bwa porogaramu.

Kimwe mubyiza byabo byingenzi nimbaraga zabo no gukomera. Bafite kandi ubushyuhe bwo kugoreka ubushyuhe (HDT) ugereranije nandi manota.

Hagarika Abakopi

Hagarika copolymers itwara PP kurwego rukurikira mugihe cyo kurwanya ingaruka. Bakomeza ubukana bwabo no mubushyuhe buke, bigatuma biba byiza kubisabwa.

Impinduka zimpinduka zirashobora kongerwaho kugirango turusheho kunoza ubukana bwabo. Uku guhuza imbaraga no kwihangana biragoye gutsinda.

Abakoresha bisanzwe

Abakora kopi basanzwe bazana ibintu byihariye kumeza. Bafite ingingo yo hasi yo gushonga, itanga uburyo bworoshye bwo gutunganya no gusaba.

Batanga kandi ibisobanuro byongerewe, bigatuma bahitamo neza kubicuruzwa biboneye. Hamwe na 1-7% ya Ethylene co-monomer, baringaniza hagati yimikorere nuburanga.

Impamyabumenyi idasanzwe

Impamyabumenyi yihariye ya PP yateguwe kugirango ihuze ibikenewe byihariye. Impamyabumenyi zuzuye Talc, kurugero, zirimo 10-40% talc, byongera ubukana bwabo na HDT.

Ariko, ibi biza kubiciro byo kugabanuka gukomera. Ku rundi ruhande, amanota ashimangirwa n’ibirahure, arimo 30% fibre yibirahure, byongera imbaraga zabo, gukomera, na HDT.

Gucuruza ni ukugabanya kurwanya ingaruka. Byose bijyanye no gushakisha impirimbanyi ikwiye kubisabwa.

Urwego	Ibyingenzi Ibyingenzi	Porogaramu
Homopolymers	Ikomeye, ikomeye, HDT	Intego rusange
Hagarika Abakopi	Kurwanya ingaruka zikomeye, birakomeye	Gusaba gusaba
Abakoresha bisanzwe	Ahantu ho gushonga, byoroshye, birasobanutse	Ibicuruzwa bisobanutse
Talc-Yuzuye	Kwiyongera gukomera na HDT, kugabanya ubukana	Porogaramu zihariye
Ikirahure	Imbaraga nyinshi, gukomera, na HDT, byagabanije ingaruka	Porogaramu

Hamwe nurwego runini rwamanota aboneka, PP plastike irashobora guhuzwa kugirango ihuze ibikenewe hafi ya porogaramu iyo ari yo yose. Yaba imbaraga, ubukana, gusobanuka, cyangwa kurwanya ubushyuhe, hari urwego rwa PP ruhuye na fagitire.

Ibyiza n'ibibi bya PP

Ibyiza

Polypropilene (PP) plastike ifite inyungu nyinshi. Inyungu imwe yingenzi nuburyo bwiza bwo kurwanya imiti . Irashobora kwihanganira aside, ibishingwe, hamwe na solde. Ibi bituma ibera porogaramu zitandukanye, zirimo gupakira hamwe nibice byimodoka.

PP itanga kandi umunaniro mwiza wo kurwanya umunaniro. Irashobora kwihanganira imihangayiko isubiramo itavunitse. Uyu mutungo ningirakamaro kubicuruzwa bigenda bikoreshwa buri gihe, nka hinges nzima mubipakira hamwe nibigize imodoka.

Iyindi nyungu ikomeye ni PP irwanya ubushyuhe. Ifite ubushyuhe bwo hejuru bwo gushonga , bivuze ko ishobora gukora ubushyuhe bwo hejuru ugereranije na HDPE. Ibi bituma biba byiza mubisabwa bisaba kurwanya ubushyuhe, nkibikoresho byibiribwa nibikoresho byubuvuzi.

PP nayo yoroshye kurusha HDPE. Imiterere yubucucike bwayo yoroheje ifasha kugabanya uburemere bwibicuruzwa. Ibi ni ingirakamaro cyane cyane mu nganda zitwara ibinyabiziga, aho kugabanya ibiro bizamura ingufu za peteroli.

Ibibi

Nubwo ifite ibyiza byinshi, PP ifite ibibi. Ikibazo kimwe cyingenzi nuburyo bworoshye bwo kwangirika kwa okiside. Iyo uhuye nibikoresho bimwe nkumuringa, PP irashobora kwangirika vuba. Ibi bigabanya imikoreshereze yabyo aho ibikoresho nkibi bihari.

PP ifite kandi kugabanuka kwinshi no kwagura ubushyuhe. Ibi birashobora kuganisha ku guhungabana kurwego mubice. Uburyo bwo gutera inshinge bukeneye kugenzurwa neza kugirango ugabanye izo ngaruka.

Kuzamuka cyane ni ikindi kibi cya PP. Igihe kirenze, mukibazo gihoraho, PP irashobora guhinduka. Uyu mutungo, uzwi nka creep, bigira ingaruka kumikorere yigihe kirekire murwego rwo kwikorera imitwaro.

Ubwanyuma, PP ifite ubukana bwa UV. Guhura nizuba ryizuba birashobora gutuma polymer igabanuka. Ibi bigabanya imikoreshereze yabyo hanze keretse iyo ihagaritswe na UV inhibitor.

Umwanzuro

Polypropilene (PP) ni plastike itandukanye kandi ikoreshwa cyane. Ifite imiti irwanya imiti kandi ishonga cyane. PP ikoreshwa mu nganda nyinshi, kuva mumodoka kugeza mubuvuzi.

Ibikorwa bya PP mubikorwa birimo gutera inshinge no gukuramo. Buri buryo butanga ibicuruzwa byihariye nkibice byimodoka cyangwa gupakira. Hariho amanota atandukanye ya PP, harimo homopolymers na copolymers.

Guhitamo icyiciro cya PP ningirakamaro kubisabwa byihariye. Ibikoresho bifatika byemeza kuramba no gukora. PP ikomeza kuba ingenzi mubikorwa bigezweho kubera guhinduka no kwizerwa.