Filastik pallets a halin yanzu an yi su ne da HDPE, kuma maki daban-daban na HDPE suna da kaddarori daban-daban. Siffofin musamman na HDPE sune daidaitattun haɗin kai na asali guda huɗu: yawa, nauyin kwayoyin halitta, rarraba nauyin kwayoyin halitta da ƙari. Ana amfani da masu haɓakawa daban-daban don samar da kayan aikin polymer na musamman. Ana haɗa waɗannan masu canji don samar da maki HDPE don dalilai daban-daban, samun daidaiton aiki.
A cikin ainihin samarwa da sarrafa kayan kwalliyar filastik, ingancin waɗannan manyan masu canji suna da tasiri akan juna. Mun san cewa ethylene shine babban kayan da ake amfani dashi don polyethylene, kuma ana amfani da wasu 'yan wasu masu amfani, irin su 1-butene, 1-hxene ko 1-octene, don inganta kayan polymer. Don HDPE, abubuwan da ke cikin ƴan monomers na sama gabaɗaya baya wuce 1% -2%. Bugu da kari na comonomers dan kadan rage crystallinity na polymer. Gabaɗaya ana auna wannan canjin ta hanyar yawa, kuma yawa yana da alaƙa da layi da crystallinity.
A zahiri, nau'ikan nau'ikan HDPE daban-daban za su haifar da bambance-bambance masu mahimmanci a cikin aikin fakitin filastik da aka yi. Matsakaicin girman polyethylene (MDPE) ya fito daga 0.926 zuwa 0.940g/CC. Wasu rarrabuwa wasu lokuta suna rarraba MDPE azaman HDPE ko LLDPE. Homopolymers suna da mafi girman yawa, taurin kai, rashin ƙarfi mai kyau da mafi girman narkewa.
Yawancin lokaci a cikin aiwatar da pallets na filastik, ana buƙatar wasu ƙari sau da yawa don tabbatar da aikin da ake buƙata. Takamaiman amfani suna buƙatar ƙirar ƙira ta musamman, kamar ƙari na antioxidants don hana lalata polymer yayin sarrafawa da hana iskar oxygen da ƙãre samfurin yayin amfani. Ana amfani da abubuwan daɗaɗɗen ƙwayar cuta a cikin matakan marufi da yawa don rage mannewar ƙura da datti zuwa kwalabe ko marufi.
Bugu da ƙari, don tabbatar da ingancin pallets na filastik, ya kamata a ba da hankali sosai ga marufi da adana kayan albarkatu. Yawancin lokaci lokacin adana kayan HDPE, ana buƙatar nesa da tushen wuta, a keɓe shi, kuma ya kamata a kiyaye ma'ajiyar ta bushe da tsabta. Kuma haramun ne a haxa duk wani datti, kuma an haramta shi sosai ga rana da ruwan sama. Bugu da kari, a lokacin sufuri, ya kamata a adana shi a cikin kaya mai tsabta, bushe da kuma rufe, kuma kada a bari wani abu mai kaifi kamar ƙusoshi.
Lokacin aikawa: Jul-04-2025
