I-HDPEkunye nePVC

Izinto zeplastiki zithambile kakhulu kwaye ziyanyibilika. Zinokubunjwa, zicinezelwe okanye zidityaniswe zibe ziimo ezahlukeneyo. Zenziwe kakhulu ngeoyile negesi yendalo. Kukho iintlobo ezimbini zeplastiki; iithermoplastics kunye neethermoset polymers.

Nangona iipolymers ze-thermoset zinokunyibilikiswa zize zibunjwe kube kanye kuphela zize zihlale ziqinile emva kokuba zipholile, ii-thermoplastics zinokunyibilikiswa zibunjwe ngokuphindaphindiweyo kwaye ke ngoko zinokuphinda zisetyenziswe.

Iithermoplastics zisetyenziselwa ukwenza izikhongozeli, iibhotile, iitanki zepetroli, iitafile nezitulo ezisongwayo, iishedi, iingxowa zeplastiki, izithinteli zekhebula, iiphaneli ezingangenisi zinambuzane, izinto zokudlala echibini, impahla yokunxiba, impahla kunye nemibhobho yamanzi.

Kukho iintlobo ezahlukeneyo ze-thermoplastics, kwaye zihlelwa njenge-amorphous okanye i-semi-crystalline. Ezimbini kuzo azi-amorphousI-PVC(i-polyvinyl chloride) kunye ne-semi-crystalline HDPE (i-polyethylene enoxinano oluphezulu). Zombini zii-polymers zezinto ezithengiswayo.

I-Polyvinyl chloride (PVC) yi-vinyl polymer engabizi kakhulu nehlala ixesha elide esetyenziswa kwiiprojekthi zokwakha. Yeyesithathu kwiplastiki esetyenziswa kakhulu emva kwe-polyethylene kunye ne-polypropylene kwaye isetyenziswa kakhulu kwimveliso yeepayipi. Ilula kwaye yomelele, nto leyo eyenza ukuba ithandwe kakhulu kwiimpompo ezingaphezulu komhlaba nangaphantsi komhlaba. Yomelele kakhulu kwaye ifanelekile ukungcwaba ngqo kunye nokufakelwa ngaphandle kwemijelo.

Kwelinye icala, i-polyethylene enoxinano oluphezulu (i-HDPE) yi-thermoplastic ye-polyethylene eyenziwe nge-petroleum. Inamandla aphezulu, iqinile, kwaye inokumelana namaqondo obushushu aphezulu.
Iipayipi zeHDPE zilungele ukusetyenziswa kwiipayipi ezingaphantsi komhlaba, njengoko zifunyenwe zithomalalisa kwaye zifunxa amaza othuko, ngaloo ndlela zinciphisa ukunyuka okunokuchaphazela inkqubo. Zikwanayo nokumelana nokucinezelwa kwamalungu ngcono kwaye ziyakwazi ukumelana nokukrala nobushushu.

Nangona zombini ezi zinto zomelele kwaye zihlala ixesha elide, zahlukile ngamandla nangezinye izinto. Kwelinye icala, zenzelwe ukumelana noxinzelelo olwahlukeneyo. Ukuze kufezekiswe umlinganiselo ofanayo woxinzelelo njengombhobho wePVC, udonga lombhobho weHDPE kufuneka lube bukhulu ngokuphindwe kabini kunembhobho wePVC.

Nangona zombini ezi zinto zisetyenziselwa ukwenza iziqhumane,I-HDPEKufunyaniswe ukuba ifanelekile kwaye ikhuselekile ukuyisebenzisa kuba inokubasa iifireworks ukuya kubude obufanelekileyo. Ukuba ayiqalisi ngaphakathi kwisikhongozeli ize iphuke, isikhongozeli seHDPE asiyi kuphuke ngamandla afana nesikhongozeli sePVC.

Ukushwankathela:

1. I-Polyvinyl Chloride (PVC) yi-vinyl polymer engabizi kakhulu nehlala ixesha elide esetyenziswa kwiiprojekthi zokwakha, ngelixa i-High Density Polyethylene (HDPE) yi-polyethylene thermoplastic eyenziwe nge-petroleum.
2. I-Polyvinyl chloride yiplastiki yesithathu esetyenziswa kakhulu, kwaye i-polyethylene yenye yeplastiki ezisetyenziswa kakhulu.
3. I-PVC ayinamofu, ngelixa i-HDPE i-semi-crystalline.
4. Zombini ziqinile kwaye zihlala ixesha elide, kodwa zinamandla ahlukeneyo kunye nokusetyenziswa okwahlukileyo. I-PVC inzima kwaye inamandla, ngelixa i-HDPE inzima, ayigugi kwaye ayitshisi ubushushu.
5. Kufunyenwe ukuba imibhobho ye-HDPE iyacinezela kwaye ifunxa amaza othuko, ngaloo ndlela inciphisa ukunyuka okunokuchaphazela inkqubo, ngelixa i-PVC ingenako.
6. I-HDPE ifanelekile ngakumbi ekufakweni koxinzelelo oluphantsi, ngelixa i-PVC ifanelekile ngakumbi ekufakweni ngqo nasekufakelweni ngaphandle kwemisele.