Ipulasitiki yePolystyrene (PS)

* Ipulasitiki ye-PS - i-polystyrene. Iyiklasi yamapulasitiki afaka phakathi iqembu le-styrene ku-macromolecule chain, izinhlobo eziyinhloko zifaka phakathi i-polystyrene ejwayelekile (GPPS), i-polystyrene enamandla kakhulu (ama-HIPS), i-polystyrene enwebekayo (i-EPS) kanye ne-metallocene polystyrene (i-SPS) njalo njalo. Izici zayo azinambala, azinaphunga futhi azinambitheki.

* Imikhiqizo yepulasitiki ye-PS eyenziwe ngokwezifiso

IQINILE

AKUNAMTHELELA

IZIMALI EZINHLE ZIKAGESI

Kuyini i-PS Plastic?

I-Polystyrene iyi-thermoplastic engenambala futhi esobala, i-polystyrene resin ejwayelekile iyi-polymer e-amorphous, lapho i-polystyrene enwetshiwe ivame ukwaziwa ngokuthi i-Styrofoam. Inezinga lokushisa lokushintsha kwengilazi elingaphezu kwama-degree Celsius ayi-100, ngakho-ke ivame ukusetshenziselwa ukwenza izinhlobo ezahlukene zezitsha ezilahlwayo ezidinga ukumelana nezinga lokushisa lamanzi abilayo, njengebhokisi le-styrofoam.

Yini ongayenza nge-PS Plastic?

I-PS inokukhanya okuhle (izinga lokudlulisa ukukhanya elingu-88% -92%) kanye nokucwebezela kobuso, kulula ukudaya, ubulukhuni obuphezulu, ukuqina okuhle, ngaphezu kwalokho, kukhona ukumelana okuhle kwamanzi, ukumelana namakhemikhali kanye nokusebenza kahle kokugeleza kokucubungula. Izinkinga zayo eziyinhloko yilezi: ukuphuka, amandla aphansi okushaya, ukuqhekeka okulula kokucindezela, ukumelana nokushisa okubi.

I-PS iyinani eliphansi kakhulu lezindleko zokukhiqiza zepulasitiki, elisetshenziswa kabanzi emikhiqizweni elahlwayo. Lisetshenziswa kabanzi emikhiqizweni elahlwayo, njengezinto zokudlala ezilahlwayo, nezinto zokubhala nezinye izinto ezidingekayo zansuku zonke.

Okulandelayo ezinye zezicelo zePolystyrene (PS)

Izitsha zokudla ezilahlwayo
Izinto zikagesi
Igobolondo lezingxenye zikagesi
Ukupakisha

Amathoyizi ezingane
Isitsha Sokupakisha
Isibani Selambu
Amabhokisi

Izinto zokwakha
Imikhiqizo yabathengi
Ifenisha yengadi
Izinto zokufunda

Qala ngesilinganiso samahhala esisheshayo!

Konke okulayishiwe kuphephile futhi kuyimfihlo

ISITHOLI SOMKHIQIZO IZIQONDISO ZOBUNGENEJI

Ukucutshungulwa Kwezinto Ze-Polystyrene (PS)

I-Polystyrene	Ukuqina, uRockwell R	Amandla Okuqina, Okuphelele	Ukwelula ngesikhathi sokuphumula	I-Modulus ye-Elasticity	Amandla Okukhiqiza Okuguquguqukayo	Isilinganiso sokungqubuzana	Indawo yokuncibilika
Impahla	121	35–59 MPa	1–35%	2.59–4.71 GPa	7.35–106 MPa	0.33	240 °C

0102

Izici ze-Polystyrene (PS)

* Kuye ngohlobo lwe-PS, ingahlukaniswa njengezinto “eziyi-thermoplastic” noma “eziyi-thermoset”. Leli gama lihlobene nendlela ipulasitiki esabela ngayo ekushiseni. Izinto ze-thermoplastic ziba uketshezi oluphelele lapho zincibilika khona (210-249 degrees Celsius uma kukhulunywa nge-Polystyrene), kodwa ziqala ukugeleza endaweni yazo yokuguquka kwengilazi (100 degress Celsius ye-PS).

* Isici esiwusizo kakhulu ngama-thermoplastic ukuthi angashiswa aze afike ezingeni lokuncibilika, apholiswe, futhi aphinde ashiswe ngaphandle kokuwohloka okukhulu. Esikhundleni sokusha, ama-thermoplastic ayancibilika, okuvumela ukuthi afakwe kalula bese ephinda asetshenziswe. Ama-thermoset plastics, ngokuphambene, ngeke aphinde ancibilike uma “esebekwe” esimweni esiqinile.

Izinto ze-PS zenziwa kanjani?

I-Polystyrene (PS) ilungiswa ngezindlela zokwenziwa (polymerization) ezifana ne-propriety polymerization, i-suspension polymerization, i-emulsion polymerization, i-ionic polymerization njalo njalo. Ukusetshenziswa kwezimboni kungaphezu kwe-body polymerization kanye ne-suspension polymerization. Manje ukukhiqizwa kwezimboni kwama-resin ochungechunge lwe-PS kukhiqizwa ngendlela ye-continuous polymerization.

I-resin ye-PS ekhiqizwa yi-polymerization inokukhanya okuhle kanye nezakhiwo zikagesi, kodwa kukhona ukusatshalaliswa kwesisindo sama-molecule okuhlobene okungafani, kuyilapho i-polymerization yokumiswa ngenxa yokushisa kulula ukuyilawula, ukushisa kokusabela kulula ukusabalala, ukukhiqizwa kwe-resin ye-PS kunokusabalalisa kwesisindo sama-molecule okufanayo, izici zokusebenza okuphelele, kodwa umkhiqizo uzoshiya inani elincane lokuhlakazeka kumkhiqizo, njalo njalo.

Ukuvuselelwa kabusha kwepulasitiki ye-Polystyrene (PS) kanye nokuvikelwa kwemvelo

Njengoba ukugxila emhlabeni wonke kukhula ekuvikelweni kwemvelo nasekuzinzeni, izinto ezinobungani nemvelo ezifana nepulasitiki ebolayo nesetshenziswa kabusha zidlala indima ebaluleke kakhulu emjikelezweni wokunciphisa ikhabhoni. Lokhu akugcini nje ngokuphendula ekushintsheni kwesimo sezulu emhlabeni jikelele, kodwa futhi nasekufuneni imithombo yamandla nezinye izinsiza ezihlala isikhathi eside.

Isitshalo sokuvuselela siguqula imfucuza ye-polystyrene ibe yi-styrene monomer, ehlanzwa kusetshenziswa inqubo yokuhlanza ye-Toyo Styrene futhi ingasetshenziswa kabusha ekukhiqizweni kwe-polystyrene. Ngemva kokucubungula kwangaphambili, njengokuvuselela, ukuhlanza, nokuhlunga, amapulasitiki angcolile ayacutshungulwa futhi aphathwe ngezindlela zomzimba noma zamakhemikhali ezifana nokuncibilikisa i-pelletizing kanye nokuguqulwa ukuze kwenziwe kabusha izinto zokusetshenziswa zepulasitiki ezitholiwe.

Izinsizakalo Ezitholakalayo Zepulasitiki Ye-PS

Imikhiqizo eqediwe

umkhiqizo owodwa ophelele owenziwe ngezinto ze-PS, njengezinye izinto zokupakisha, amabhodi okwakha, njll.

Ukudala ubuhlungu, ukwenqaba noma ubani, ngempela umsunguli wezinhlungu, ukufuna hhayi...

Izingxenye zokucubungula ze-PS ezenziwe ngokwezifiso

Izingxenye ezihlanganisiwe zamathoyizi, izimpahla zasehhovisi, izinto zasendlini kanye nezinye izindawo zokuhlala.

Ukudala ubuhlungu, ukwenqaba noma ubani, ngempela umsunguli wezinhlungu, ukufuna hhayi...

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