I-Polthene ingenye yamapulasitiki athandwa kakhulu emhlabeni. Iyi-polymer eguquguqukayo efanelekela ukusetshenziswa okubanzi, kusukela kumafilimu okuvimbela umswakama anzima okwakhiwa okusha kuya ezikhwameni namafilimu alula, aguquguqukayo.

Izinhlobo ezimbili eziyinhloko ze-PE zisetshenziswa emkhakheni wefilimu kanye nowokupakisha oguquguqukayo – i-LDPE (ubuningi obuphansi), evame ukusetshenziselwa ama-pallet namafilimu anzima njengezikhwama namasaka ahlala isikhathi eside, imigudu ye-polyethylene, amafilimu okuvikela, izikhwama zokudla, njll. kanyeI-HDPE (ubuningi obukhulu), Kuma-tote amaningi e-thin-gauge, izikhwama zemikhiqizo emisha, kanye namabhodlela nama-cap.

Kunezinye izinhlobo zalezi zinhlobo ezimbili eziyinhloko. Yonke imikhiqizo inezakhiwo ezinhle zokuvimba umhwamuko noma umswakama futhi ayinamakhemikhali.

Ngokushintsha ukwakheka kwe-polyethylene kanye nemininingwane, abakhiqizi/abaprosesa bangalungisa ukumelana komthelela kanye nokuklebhuka; ukucaca kanye nomuzwa; ukuguquguquka, ukwakheka, kanye namakhono okumboza/ukulamina/okuphrinta. I-PE ingaphinde isetshenziswe, futhi izikhwama eziningi zikadoti, amafilimu ezolimo, kanye nemikhiqizo ehlala isikhathi eside njengezindawo zokupaka, ama-bollard, namabhokisi enkunkuma zisebenzisa i-polyethylene ephinde yasetshenziswa. Ngenxa yenani layo eliphezulu lama-calorie,Izipesheli ze-PEukubuyiselwa kwamandla okuhle kakhulu ngokushiswa okuhlanzekile.

Ufuna ukuthenga i-HDPE?

isicelo
Imiphongolo yamakhemikhali, amabhodlela epulasitiki, amabhodlela engilazi, amathoyizi, izinto zepikiniki, izinto zasekhaya nezasekhishini, ukuvikela izintambo, izikhwama zezimpahla, izinto zokupakisha ukudla.

isici
Iguquguquka, ikhanya/inenhlaka, imelana nesimo sezulu, iqine kahle ekushiseni okuphansi (kuya ku--60′C), kulula ukuyicubungula ngezindlela eziningi, ishibhile, imelana kahle namakhemikhali.

izakhiwo ezibonakalayo
Amandla okunamathela 0.20 – 0.40 N/mm²
Amandla okushaya ahlanganisiwe ngaphandle kokuphazamiseka Kj/m²
Isilinganiso Sokwanda Kokushisa 100 – 220 x 10-6
Izinga lokushisa eliphezulu lokusetshenziswa okuqhubekayo 65 oC
Ubuningi 0.944 – 0.965 g/cm3

ukumelana namakhemikhali
Nciphisa i-asidi****
Isisekelo esixutshwe ****
Igrisi ** Eguquguqukayo
Ama-hydrocarbon e-Aliphatic *
Ama-Aromatics *
Ama-hydrocarbon afakwe i-halogenated *
Utshwala****

Okubucayi * Okubi ** Okumaphakathi *** Okuhle **** Okuhle kakhulu

Izifundo zamanje zamacala

Izitsha zengadi ezenziwe nge-polyethylene enobukhulu obuphezulu. Izindleko eziphansi, ukuqina okuphezulu kanye nokulula kokubumba kwenza le nto ibe ukukhetha kwemvelo kwefenisha yengadi.

Ibhodlela lepulasitiki le-HDPE
Amabhodlela epulasitiki e-high-density polyethylene (HDPE) ayinketho ethandwayo yokupakisha emakethe yobisi nejusi entsha. E-UK, isibonelo, cishe amabhodlela okuphakela e-HDPE ayizigidigidi ezine akhiqizwa futhi athengwa minyaka yonke.

I-HDPE inikeza izinzuzo eziningi kubakhiqizi, abathengisi kanye nabathengi.

Izinzuzo zamabhodlela e-HDPE
Ingaphinde isetshenziswe: Amabhodlela e-HDPE angaphinde asetshenziswe ngo-100%, ngakho-ke izinto zingaphinde zisetshenziswe

Okusimeme: I-HDPE inikeza ithuba lokuhlanganisa kabusha izinto ezisetshenzisiwe ochungechungeni lokuhlinzeka

Ukukhanya Okulula: Amabhodlela e-HDPE Anikeza Amathuba Abalulekile Okukhanya Okulula

Ivumelana nezimo kakhulu: ibhodlela lepulasitiki kuphela elingasetshenziswa njenge-monolayer yobisi olufakwe i-pasteurized, noma njengebhodlela le-UHT noma ibhodlela elihlanganisiwe elihlanganisiwe elihlanganisiwe elivikelwe ubisi

Ukulula kokusebenzisa: Uhlobo olulodwa kuphela lokupakisha oluvumela izibambo ezihlanganisiwe kanye nemigodi yokuthulula ukuze kubanjwe futhi kuthululwe ngokulawula

Kuphephile futhi kuphephile: Uhlobo lwephakheji olulodwa kuphela olungaba nesivalo sangaphandle esibonakala sengathi siyaphazamiseka noma isivalo sokushisa sokungenisa ukuze kuvinjelwe ukuvuza, kulondolozwe ubusha bomkhiqizo, futhi kuboniswe ubufakazi bokuthi kuyaphazamiseka.

Ezentengiselwano: Amabhodlela e-HDPE anikeza uhla oluphelele lwamathuba okumaketha, njengokuphrinta ngqo ezintweni, ukuphrinta ngqo esikhwameni noma ilebula, kanye nekhono lokushintsha isimo ukuze sibonakale eshalofini.

Ukusungula izinto ezintsha: Ikhono lokufinyelela imingcele nokufeza izigaba ezintsha ngokusebenzisa imishini yokubumba emisha.

amaqiniso ezemvelo
Amabhodlela ezingane e-HDPE angenye yezinto zokupakisha ezisetshenziswa kabanzi e-UK, kanti idatha evela ku-Recoup ikhombisa ukuthi cishe amabhodlela ezingane e-HDPE asetshenziswa kabusha angama-79%.
Ngokwesilinganiso,Amabhodlela e-HDPEe-UK manje sebelula ngo-15% kunaseminyakeni emithathu edlule

Kodwa-ke, imiklamo emisha efana nebhodlela le-Infini eliwine umklomelo isho ukuthi manje kungenzeka ukunciphisa isisindo samabhodlela ajwayelekile ngo-25% (kuye ngobukhulu)

Ngokwesilinganiso, amabhodlela e-HDPE e-UK aqukethe izinto ezisetshenziswe kabusha ezingafika ku-15%.

Kodwa-ke, intuthuko kwezobuchwepheshe kanye nemiklamo emisha yemikhiqizo isho ukuthi impumelelo entsha isibe yinto engenzeka. Isibonelo, ngo-2013, iNampak yengeze ama-30% e-HDPE asetshenziswe kabusha emabhodleleni ayo obisi e-Infini, umhlaba wokuqala—iminyaka emibili ngaphambi komgomo wemboni.