Fim ɗin filastik a matsayin kayan bugu, an buga shi azaman jakar marufi, tare da haske da bayyananne, juriya na danshi da juriya na iskar oxygen, ƙarancin iska mai kyau, ƙarfi da juriya na nadawa, ƙasa mai santsi, na iya kare samfurin, kuma zai iya haifar da siffar samfur, launi da sauran abũbuwan amfãni. Tare da ci gaban petrochemical masana'antu, da kuma mafi irin filastik fim, fiye amfani da filastik fim polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS), polyester film (PET), polypropylene (PP), nailan (PA) da sauransu. Bugu da ƙari, akwai wasu nau'o'in fim ɗin filastik da yawa, ƙwararrun masana'antar shirya kayan kwalliyar Shunfa tana tunanin cewa ya zama dole a fahimci halayen fim ɗin filastik kafin buhunan marufi na al'ada. Musamman an ware halayen nau'ikan fim ɗin filastik 11 a ƙarƙashin jakar marufi don tunani.
1. Polyvinyl chloride (PVC)
Abubuwan da ake amfani da su na fim din PVC da PET suna kama da juna, kuma iri ɗaya ne ga halaye na nuna gaskiya, numfashi, acid da juriya na alkali. Yawancin buhunan abinci na farko an yi su ne da buhunan PVC. Duk da haka, PVC na iya saki carcinogens saboda rashin cikar polymerization na wasu monomers a cikin tsarin masana'antu, don haka bai dace da cika kayan abinci ba, kuma da yawa sun canza zuwa jakar marufi na PET, alamar kayan alama shine No. 3.
2. Polystyrene (PS)
Ruwan sha na fim ɗin PS yana da ƙasa, amma kwanciyar hankalinsa ya fi kyau, kuma ana iya sarrafa shi ta hanyar harbi mutu, danna mutu, extrusion da thermoforming. Gabaɗaya, an raba shi zuwa kumfa da warware kumfa biyu bisa ga ko ya bi ta hanyar kumfa. Unfoamed PS da aka yafi amfani a ginin kayan, toys, stationery, da dai sauransu, kuma za a iya fiye sanya a cikin kwantena cike da fermented kiwo kayayyakin, da dai sauransu A cikin 'yan shekarun nan, shi ne kuma yadu amfani da yin yarwa tableware, da kayan alama. shi ne na 6.
3. Polypropylene (PP)
Fim ɗin PP na yau da kullun yana ɗaukar busa gyare-gyare, tsari mai sauƙi da ƙarancin farashi, amma aikin gani yana ɗan ƙasa kaɗan fiye da CPP da BOPP. Babban fasalin PP shine babban juriya na zafin jiki (kimanin -20 ° C ~ 120 ° C), kuma wurin narkewa ya kai 167 ° C, wanda ya dace da cika madarar soya, madarar shinkafa da sauran samfuran da ke buƙatar gurɓataccen tururi. . Taurinsa ya fi PE, wanda ake amfani da shi don kera iyakoki na kwantena, kuma alamar kayan ita ce No. 5. Gabaɗaya magana, PP yana da taurin mafi girma, kuma saman ya fi haske, kuma baya haifar da wari mai daɗi lokacin konewa. yayin da PE yana da warin kyandir mai nauyi.
4. Fim ɗin Polyester (PET)
Fim ɗin Polyester (PET) filastik injin thermoplastic ne. Kayan fim na bakin ciki da aka yi da takarda mai kauri ta hanyar extrusion da mikewa bidirectional. Fim ɗin polyester yana da kyawawan kaddarorin injiniyoyi, babban rigidity, tauri da tauri, juriya mai huda, juriya juriya, juriya mai ƙarfi da ƙarancin zafin jiki, juriya sinadarai, juriya mai, ƙarancin iska da adana ƙamshi mai kyau, yana ɗaya daga cikin abubuwan da aka saba amfani da su na juriya juriya. fim substrates, amma corona juriya ne matalauta, farashin ne high. Kaurin fim ɗin gabaɗaya 0.12mm, wanda galibi ana amfani dashi azaman kayan waje na buhun marufi na kayan abinci, kuma bugu yana da kyau. Alama alamar abu 1 a cikin samfurin filastik.
5. Nailan (PA)
Fim ɗin filastik na Nylon (polyamide PA) a halin yanzu yana samar da masana'antu na nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan da ake amfani da su don shirya fim sune nailan 6, nailan 12, nailan 66 da sauransu. Fim ɗin nailan fim ne mai tauri sosai, yana da fa'ida mai kyau, kuma yana da kyan gani. Ƙarfin ƙarfi, ƙarfin ƙarfin ƙarfi, juriya mai ƙarfi da ƙarancin zafin jiki, juriya mai juriya, juriya mai ƙarfi na halitta, juriya juriya da juriya mai huda suna da kyau sosai, kuma fim ɗin yana da ɗanɗano mai laushi, kyakkyawan juriya na iskar oxygen, amma shingen tururi na ruwa ba shi da kyau, ƙarancin danshi, karfin danshi yana da girma, kuma rufewar zafi ba shi da kyau. Ya dace da tattara kaya masu wuya, irin su abinci mai maiko, soyayyen abinci, abincin marufi, dafa abinci, da sauransu.
6. Babban Dinsity Polyethylene (HDPE)
HDPE fim ake kira geomembrane ko impermeable fim. Its narkewa batu ne game da 110 ℃-130 ℃, da dangi yawa ne 0.918-0.965kg / cm3. Babban crystallinity ne, resin thermoplastic mara iyaka, ainihin bayyanar HDPE fari ce mai madara, a cikin ƙaramin ɓangaren giciye na wani digiri na translucent. Yana da kyau juriya ga high da low yanayin zafi da kuma tasiri juriya, ko da a -40F low yanayin zafi. Its sinadaran kwanciyar hankali, rigidity, taurin, inji ƙarfi, hawaye ƙarfi Properties ne m, kuma tare da karuwa da yawa, inji Properties, shãmaki Properties, tensile ƙarfi da zafi juriya za a inganta daidai da haka, iya tsayayya da acid, alkali, Organic kaushi da sauran. lalata. Ganewa: galibi gaɓoɓi, ji kamar kakin zuma, jakar filastik ko shafa lokacin yin tsatsa.
7. Low Density Polyethylene (LDPE)
LDPE fim mai yawa ne low, taushi, low zafin jiki juriya, tasiri juriya sinadaran kwanciyar hankali ne mai kyau, a karkashin al'ada yanayi acid (sai da karfi oxidizing acid), alkali, gishiri lalata, tare da mai kyau lantarki rufi. Ana amfani da LDPE mafi yawa a cikin jakunkuna na filastik, alamar alamar kayan abu shine No. 4, kuma ana amfani da samfuransa mafi yawa a cikin aikin injiniya na farar hula da filayen noma, irin su geomemofilm, fim ɗin noma (fim ɗin zubar, fim ɗin ciyawa, fim ɗin ajiya, da sauransu). Ganewa: Jakar filastik da aka yi da LDPE ta fi laushi, ƙarancin rustling lokacin da ake durƙusa, fim ɗin filastik na waje yana da taushi da sauƙin yaga LDPE, kuma mafi gaggautsa da wuya shine fim ɗin PVC ko PP.
8. Barasa na Polyvinyl (PVA)
Polyvinyl barasa (PVA) babban shinge mai hada fim fim ne da ke da babban katangar katangar da aka kafa ta hanyar rufe ruwan da aka gyara mai narkewar ruwa na barasa na polyvinyl akan substrate na filastik polyethylene. Saboda babban fim ɗin hadaddiyar giyar polyvinyl yana da kyawawan kaddarorin shinge kuma ya cika ka'idodin kariyar muhalli, hasashen kasuwa na wannan kayan marufi yana da haske sosai, kuma akwai sararin kasuwa a cikin masana'antar abinci.
9. Fim ɗin Fim ɗin polypropylene (CPP)
Fim ɗin da aka yi da polypropylene (CPP) wani nau'i ne na fim ɗin da ba a miƙewa ba, wanda ba shi da madaidaitan lebur extrusion wanda aka samar ta hanyar narkar da simintin gyaran kafa. An halin da sauri samar da gudun, high yawan amfanin ƙasa, fim nuna gaskiya, mai sheki, shãmaki dukiya, taushi, kauri uniformity ne mai kyau, iya jure high zafin jiki dafa abinci (dafa abinci da zazzabi sama da 120 ° C) da kuma low zafin jiki sealing (zafi sealing zazzabi kasa da 125 ° C), ma'aunin aikin yana da kyau. Ayyukan bin diddigin kamar bugu, haɗaɗɗun kayan aikin ya dace, ana amfani da su sosai a cikin yadudduka, abinci, buƙatun buƙatun yau da kullun, yin kayan ciki na marufi masu haɗaka, na iya tsawaita rayuwar abinci, haɓaka kyakkyawa.
10. Bidirectional polypropylene film (BOPP)
Biaxial polypropylene film (BOPP) wani m m marufi jakar abu ci gaba a cikin 1960s, wanda shi ne na musamman samar line don haxa polypropylene albarkatun kasa da kuma aiki Additives, narke da Mix, yin zanen gado, sa'an nan yin fim ta mikewa. Wannan fim ba kawai yana da abũbuwan amfãni daga low yawa, lalata juriya da kuma mai kyau zafi juriya na asali guduro PP, amma kuma yana da kyau Tantancewar Properties, high inji ƙarfi, arziki albarkatun kasa kafofin, m bugu Properties, kuma za a iya hade tare da takarda. PET da sauran substrates. Tare da high definition da sheki, m tawada sha da kuma shafi mannewa, high tensile ƙarfi, m man shinge Properties, low electrostatic halaye.
11. Fim ɗin ƙarfe
Fim ɗin ƙarfe yana da halaye na fim ɗin filastik da ƙarfe. Matsayin plating na aluminum a saman fim ɗin shine don toshe haske da hana radiation ultraviolet, wanda ke tsawaita rayuwar abubuwan da ke ciki kuma yana inganta haske na fim ɗin, yana maye gurbin foil na aluminum zuwa wani ɗan lokaci, kuma yana da arha. kyawawan kaddarorin shinge masu kyau. Don haka, ana amfani da fim ɗin ƙarfe a ko'ina a cikin marufi, galibi ana amfani da su a cikin biscuits da sauran busassun busassun kayan abinci, magunguna da marufi na kayan shafawa.
Lokacin aikawa: Jul-19-2023