Ana yawan amfani da fina-finai daban-daban a rayuwar yau da kullun. Wadanne kayayyaki aka yi wadannan fina-finai? Menene halayen aikin kowanne? Mai zuwa shine cikakken gabatarwa ga finafinan filastik da aka saba amfani da su a rayuwar yau da kullun:
Fim ɗin filastik shine fim ɗin da aka yi da polyvinyl chloride, polyethylene, polypropylene, polystyrene da sauran resins, galibi ana amfani da su a cikin marufi, gini, kuma azaman rufin rufi, da sauransu.
Fim ɗin filastik za a iya raba zuwa
-Fim ɗin masana'antu: fim ɗin busa, fim ɗin calended, fim mai shimfiɗa, fim ɗin jefa, da sauransu;
- Fim ɗin zubar da aikin gona, fim ɗin ciyawa, da sauransu;
-Fina-finai don marufi (ciki har da fina-finai masu haɗaka don marufi na magunguna, fina-finai masu haɗaka don kayan abinci, da sauransu).
Abũbuwan amfãni da rashin amfani na filastik fim:
Halayen ayyuka na manyan fina-finan filastik:
Biaxial Oriented Polypropylene Film (BOPP)
Polypropylene shine resin thermoplastic da aka samar ta hanyar polymerization na propylene. Copolymer PP kayan suna da ƙananan zafin jiki na murdiya (100 ° C), ƙananan haske, ƙananan sheki, da ƙananan rigidity, amma suna da ƙarfin tasiri mai ƙarfi, kuma tasirin tasirin PP yana ƙaruwa tare da haɓakar abun ciki na ethylene. Zazzabi mai laushi na Vicat na PP shine 150 ° C. Saboda babban matakin crystallinity, wannan abu yana da kyau sosai a saman ƙugiya da kaddarorin juriya. PP ba shi da matsalolin damuwa na muhalli.
Fim ɗin polypropylene mai daidaitawa Biaxial (BOPP) wani abu ne mai sauƙi mai sauƙi wanda aka haɓaka a cikin 1960s. Yana amfani da layin samarwa na musamman don haɗa albarkatun kasa na polypropylene da ƙari na aiki, narke da cuɗa su cikin zanen gado, sannan a shimfiɗa su cikin fina-finai. An yi amfani da shi sosai a cikin marufi na abinci, alewa, sigari, shayi, ruwan 'ya'yan itace, madara, yadi, da dai sauransu, kuma yana da sunan "Packaging Queen". Bugu da ƙari, ana iya amfani da shi don shirye-shiryen kayan aiki masu mahimmanci na kayan aiki irin su membranes na lantarki da microporous membranes, don haka abubuwan ci gaba na fina-finai na BOPP suna da fadi sosai.
BOPP fim ba kawai yana da abũbuwan amfãni daga low yawa, mai kyau lalata juriya da kuma mai kyau zafi juriya na PP guduro, amma kuma yana da kyau Tantancewar Properties, high inji ƙarfi da arziki kafofin albarkatun kasa. Za a iya haɗa fim ɗin BOPP tare da wasu kayan aiki tare da kaddarorin musamman don ƙara haɓakawa ko haɓaka aiki. Abubuwan da aka fi amfani da su sun haɗa da fim ɗin PE, fim ɗin salivating polypropylene (CPP), polyvinylidene chloride (PVDC), fim ɗin aluminum, da sauransu.
Fim ɗin Polyethylene Low Density (LDPE)
Fim ɗin polyethylene, wato PE, yana da halayen juriya na danshi da ƙarancin danshi.
Ƙananan polyethylene (LPDE) wani resin roba ne da aka samu ta hanyar ethylene radical polymerization a ƙarƙashin babban matsin lamba, don haka ana kiransa "polyethylene high-pressure". LPDE kwayar halitta ce mai reshe mai rassa masu tsayi daban-daban akan babban sarkar, mai kusan 15 zuwa 30 ethyl, butyl ko rassa masu tsayi a cikin 1000 carbon atom a cikin babban sarkar. Saboda sarkar kwayoyin halitta ya ƙunshi mafi tsayi da gajerun sarƙoƙi na reshe, samfurin yana da ƙarancin ƙima, taushi, ƙarancin zafin jiki, juriya mai kyau, kwanciyar hankali mai kyau na sinadarai, da juriya na gabaɗaya (sai dai acid mai ƙarfi mai ƙarfi) , Alkali, lalata gishiri, yana da kyau. lantarki rufi Properties. Mai haske da mai sheki, yana da kyakkyawan kwanciyar hankali na sinadarai, ƙarancin zafi, juriya na ruwa da juriya mai ƙarfi, juriya mai daskarewa, kuma ana iya dafa shi. Babban hasararsa shine ƙarancin shingen iskar oxygen.
Sau da yawa ana amfani da shi azaman fim na ciki na kayan kwalliya masu sassaucin ra'ayi, kuma shine fim ɗin da aka fi amfani da shi da kuma amfani da shi a halin yanzu, yana lissafin sama da kashi 40% na amfani da fina-finan marufi na filastik. Akwai nau'ikan fina-finan marufi na polyethylene da yawa, kuma wasan kwaikwayon su ma ya bambanta. Ayyukan fim ɗin Layer guda ɗaya ne, kuma aikin fim ɗin da aka haɗa yana da ƙari. Yana da babban kayan kayan abinci. Na biyu kuma, ana amfani da fim ɗin polyethylene a fagen aikin injiniyan jama'a, kamar geomembrane. Yana aiki azaman mai hana ruwa ruwa a cikin aikin injiniyan farar hula kuma yana da ƙarancin iyawa. Ana amfani da fim ɗin noma a aikin noma, wanda za'a iya raba shi zuwa fim ɗin zubar, fim ɗin ciyawa, fim ɗin murfin ɗaci, fim ɗin adana kore da sauransu.
Fim ɗin Polyester (PET)
Fim ɗin Polyester (PET), wanda aka fi sani da polyethylene terephthalate, filastik injin thermoplastic ne. Abu ne na fim da aka yi da zanen gado mai kauri ta hanyar extrusion sannan a miƙe biaxial. Fim ɗin polyester yana da kyawawan kaddarorin injiniyoyi, haɓaka mai ƙarfi, tauri da tauri, juriya huda, juriya juriya, zazzabi mai zafi da ƙarancin zafin jiki, juriya sinadarai, juriyar mai, ƙarancin iska da riƙe kamshi. Ɗaya daga cikin abubuwan da aka haɗa fim ɗin dindindin, amma juriyar corona ba ta da kyau.
Farashin polyester fim ne in mun gwada da high, da kuma kauri ne kullum 0.12 mm. Yawancin lokaci ana amfani da shi azaman kayan waje na kayan abinci don marufi, kuma yana da kyakkyawan bugawa. Bugu da ƙari, ana amfani da fim ɗin polyester sau da yawa azaman bugu da tattara kayan abinci kamar fim ɗin kare muhalli, fim ɗin PET, da fim ɗin farin madara, kuma ana amfani dashi sosai a masana'antu kamar fiber fiber ƙarfafa robobi, kayan gini, bugu, magunguna da lafiya.
Fim ɗin filastik na Nylon (ONY)
Sunan sinadari na nailan shine polyamide (PA). A halin yanzu, akwai nau'ikan nailan da yawa da ake samarwa da masana'antu, kuma manyan nau'ikan da ake amfani da su wajen shirya fina-finai sune nailan 6, nailan 12, nailan 66, da sauransu. Ƙarfin ƙarfi, da kuma kyakkyawan juriya na zafi, juriya na sanyi, juriya mai juriya da juriya na kwayoyin halitta. Kyakkyawan juriya na lalacewa da juriya mai huda, in mun gwada da taushi, kyawawan kaddarorin shinge na oxygen, amma ƙarancin kaddarorin kaddarorin ga tururin ruwa, ƙarancin danshi da ƙarancin danshi, rashin ƙarancin zafi, dacewa da ɗaukar abubuwa masu wuya, irin su abinci mai ƙima, samfuran nama, soyayyen abinci, abinci mai cike da ruwa, abincin tururi, da sauransu.
Fim ɗin Fim ɗin Polypropylene (CPP)
Ba kamar tsarin fim ɗin polypropylene mai daidaitacce ba (BOPP), fim ɗin simintin polypropylene (CPP) fim ɗin da ba a miƙe ba ne, wanda ba shi da madaidaici wanda aka samar ta hanyar narke simintin gyare-gyare da kashewa. An kwatanta shi da saurin samarwa da sauri, babban fitarwa, kyakkyawar bayyanar fim, mai sheki, daidaituwar kauri, da kyakkyawan ma'auni na kaddarorin daban-daban. Domin yana da lebur extruded fim, biyo baya aiki kamar bugu da compounding ne musamman dace. Ana amfani da CPP sosai a cikin marufi na masaku, furanni, abinci, da abubuwan yau da kullun.
Fim ɗin filastik mai rufi na aluminum
Fim ɗin aluminized yana da halaye na fim ɗin filastik da halayen ƙarfe. Matsayin platin aluminum a saman fim ɗin shine don kare haske da kuma hana radiation ultraviolet, wanda ba kawai yana tsawaita rayuwar abubuwan da ke ciki ba, har ma yana inganta hasken fim. Don haka, ana amfani da fim ɗin alumini a ko'ina a cikin marufi, galibi ana amfani da su a busassun busassun kayan abinci da busassun busassun busassun busassun busassun busassun busassun busassun busassun abinci kamar biscuits, da kuma marufi na waje na wasu magunguna da kayan kwalliya.
Lokacin aikawa: Jul-19-2023
