Roba abu ne da muke yawan amfani dashi a rayuwarmu ta yau da kullun. Kamar karami kamar jakunkunan roba, kwalaben jarirai, kwalaben sha, akwatunan abincin rana, kayan leda, manya-manya kamar fim din noma, kayan daki, kayan lantarki, buga 3D, har ma da rokoki da makamai masu linzami, robobi duk suna nan.
Filastik muhimmin reshe ne na kayan polymer na Organic, tare da nau'ikan iri-iri, yawan amfanin ƙasa da aikace-aikace masu faɗi. Don nau'ikan filastik iri-iri, ana iya rarraba su kamar haka:
1. Dangane da halayyar yayin zafin, ana iya raba robobi zuwa thermoplastics da kimiyyar zafin jiki dangane da halinsu yayin zafin;
2. Dangane da nau’in dauki yayin hada sinadarin resin a cikin leda, za a iya raba gudan din zuwa robobi da aka sanya polycondensed;
3. Dangane da tsarin resin macromolecules, za a iya raba robobi zuwa nau'i biyu: amorphous plastics and crystalline plastics;
4. Dangane da yanayin aikin da aikace-aikacen, za'a iya raba robobi zuwa manyan robobi, robobin injiniya, da kuma robobi na musamman.
Daga cikin su, filastik masu amfani gaba daya sune mafi yawan amfani a rayuwar mu ta yau da kullun. Robobi masu hada-hada gama gari suna nufin robobi tare da babban yawan samarwa, wadataccen kayan aiki, karamin farashi kuma ya dace da manya-manyan aikace-aikace. Robobi masu amfani da manufa suna da kyakkyawan tsarin sarrafawa, kuma ana iya tsara su cikin samfura don dalilai daban-daban ta matakai daban-daban. Robobi masu amfani da manufa sun hada da polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), acrylonitrile / butadiene / styrene (ABS).
A wannan lokacin zan fi magana ne kan manyan kaddarorin da kuma amfani da polyethylene (PE). Polyethylene (PE) yana da kyakkyawan aiki da amfani da kaddarorin, shine nau'ikan da aka fi amfani da shi a cikin resins na roba, kuma ƙarfin samarwar shi ya daɗe da zama na farko tsakanin dukkanin nau'in roba. Abubuwan da ke cikin polyethylene sun hada da polyethylene mara nauyi (LDPE), layin polyethylene mara nauyi (LLDPE), da kuma polyethylene mai girma (HDPE).
Ana amfani da polyethylene a cikin ƙasashe daban-daban, kuma fim shine mafi yawan masu amfani dashi. Yana cinye kusan 77% na ƙananan polyethylene da 18% na polyethylene mai girma. Kari akan haka, kayayyakin da aka tsara su da allura, wayoyi da igiyoyi, samfuran ramuka, da dai sauransu duk suna dauke da tsarin amfani da su Babban rabo. Daga cikin manyan kayan aiki guda biyar, yawan amfani da PE yana kan gaba. Ana iya busa polyetylen don yin kwalba daban-daban, gwangwani, tankunan masana'antu, ganga da sauran kwantena; allurar da aka sarrafa ta don yin tukwane daban-daban, ganga, kwanduna, kwanduna, kwanduna da sauran kwantena na yau da kullun, rana da kayan ɗaki, da sauransu; extrusion gyare-gyaren kera kowane irin bututu, madauri, zaren, monofilaments, da dai sauransu Bugu da kari, ana iya amfani dashi don kera waya da kayan kwalliyar kebul da takarda roba. Daga cikin aikace-aikacen da yawa, manyan manyan mabukata na polyethylene sune bututu da fina-finai. Tare da ci gaban gine-ginen birni, fim na noma da masana'antun abinci daban-daban, yadi da masana'antun marufi na masana'antu, ci gaban waɗannan fannoni biyu ya zama yana da faɗi sosai.
