"Polypropylene an yi shi daga polymerization na gas bayan high zafin jiki fatattaka na man fetur a karkashin mataki na masu kara kuzari, bisa ga daban-daban film sarrafa hanyoyin za a iya samu daga daban-daban yi fina-finan, fiye amfani da yafi general-manufa BOPP, matte BOPP, lu'u-lu'u fim, BOPP mai zafi, jefa CPP, busa gyare-gyaren IPP, da dai sauransu.
1, Babban manufar BOPP fim
Ana sarrafa fim ɗin BOPP don ɓangaren amorphous ko ɓangaren fim ɗin crystalline an shimfiɗa shi a cikin madaidaiciyar madaidaiciya da madaidaiciyar kwatance sama da wurin laushi, ta yadda filin fim ɗin ya karu, kauri yana raguwa, kuma an inganta haɓakar haske da haske sosai.A lokaci guda kuma, ƙarfin injin, ƙarfin iska, shingen danshi da juriya na sanyi suna inganta sosai saboda daidaitawar ƙwayoyin da aka shimfiɗa.
Abubuwan da ke cikin fim ɗin BOPP:
Ƙarfin ƙarfi mai ƙarfi, babban maɗaukaki na elasticity, amma ƙananan ƙarfin hawaye;mai kyau rigidity, fice elongation da juriya lankwasawa gajiya yi;zafi da sanyi juriya yana da girma, amfani da zafin jiki har zuwa 120 ℃, BOPP sanyi juriya kuma ya fi girma fiye da fim din PP na gaba ɗaya;high surface mai sheki, mai kyau nuna gaskiya, dace da iri-iri na marufi kayan;Kwanciyar sinadarai na BOPP yana da kyau, baya ga acid mai ƙarfi, irin su fuming sulfuric acid, nitric acid yana da tasiri mai lalacewa akansa Bugu da ƙari, ba ya narkewa a cikin sauran abubuwan narkewa, kuma wasu hydrocarbons kawai suna da tasirin kumburi akansa;kyakkyawan juriya na ruwa, daya daga cikin mafi kyawun kayan don danshi da juriya, yawan sha ruwa <0.01%;rashin iya bugawa, don haka dole ne a bi da farfajiyar corona kafin bugu, tasirin bugu mai kyau bayan aiki;babban wutar lantarki mai tsayi, resin da aka yi amfani da shi wajen samar da fim yana buƙatar ƙarawa zuwa wakili na antistatic.
2. Matte BOPP
Matsakaicin matte BOPP an tsara shi azaman matte Layer, wanda ya sa bayyanar da rubutu yayi kama da takarda da dadi ga taɓawa.Ba a amfani da Layer na Matte gabaɗaya don rufewar zafi, saboda kasancewar matte Layer, idan aka kwatanta da maƙasudin BOPP gabaɗaya, yana da halaye masu zuwa: Layer na matte na iya taka rawar shading, ƙwanƙwasa kuma yana raguwa sosai;za a iya amfani da matte Layer don rufe zafi idan ya cancanta;Matte surface Layer yana da santsi kuma mai kyau, saboda yanayin da aka yi da shi tare da anti-m, fina-finai na fim ba su da sauƙin tsayawa;Matte fim ƙarfin ƙarfi ya ɗan ƙasa kaɗan fiye da fim ɗin gaba ɗaya, kwanciyar hankali na thermal kuma ana kiransa BOPP na yau da kullun.
3. Fim ɗin lu'u-lu'u
Fim ɗin lu'u-lu'u an yi shi ne da PP, CaCO3, pearlescent pigment da gyaran hood na roba ana ƙara su kuma an haɗe su tare da shimfidawa bi-directional.Kamar yadda PP resin molecules ke shimfiɗawa a lokacin tsarin shimfidawa na biaxial, kuma ƙwayoyin CaCO3 suna shimfiɗa ba tare da juna ba, don haka suna samar da kumfa, don haka fim din pearlescent shine fim din kumfa mai microporous tare da yawa a kusa da 0.7g/cm³.
Kwayar PP ta yi hasarar zafin zafinta bayan daidaitawar biaxial, amma har yanzu yana da takamaiman zafin zafi kamar roba da sauran masu gyara, amma ƙarfin hatimin zafi yana da ƙasa sosai kuma yana da sauƙin yage, wanda galibi ana amfani dashi a cikin marufi na ice cream, popsicle, da dai sauransu.
4, Heat sealing BOPP fim
Fim ɗin da aka rufe zafi mai gefe biyu:
Wannan fim shine tsarin ABC, bangarorin A da C don Layer hatimin zafi.Ana amfani da shi azaman kayan tattarawa don abinci, yadi, samfuran sauti da bidiyo, da sauransu.
Fim ɗin hatimin zafi mai gefe guda:
Irin wannan fim shine tsarin ABB, tare da A Layer a matsayin Layer sealing Layer.Bayan buga alamu a gefen B, an lakafta shi da PE, BOPP da foil na aluminum don yin jaka, waɗanda ake amfani da su azaman kayan marufi masu daraja don abinci, abubuwan sha, shayi, da sauransu.
5. Fim ɗin CPP mai jinkiri
Simintin CPP polypropylene fim ɗin fim ɗin polypropylene ba wanda ba shi da ƙarfi, wanda ba na jagora ba.
Fim ɗin CPP yana nuna alamar nuna gaskiya, mai kyau mai laushi, mai kyau mai tsayayyar zafin jiki, wani nau'i na sassaucin ra'ayi ba tare da rasa daidaituwa ba, kyawawan kayan rufewar zafi.Homopolymer CPP yana da kunkuntar kewayon zafin rufewar zafi da kuma gaɓoɓin ɓarna, yana mai da shi dacewa da amfani azaman fim ɗin marufi guda ɗaya.
Co-polymer CPP yana da daidaitaccen aiki kuma ya dace da abin da ke ciki na fim ɗin da aka haɗa.A halin yanzu, gabaɗaya an haɗa su tare da CPP, na iya yin cikakken amfani da nau'ikan halayen polypropylene na haɗuwa, yana sa aikin CPP ya fi dacewa.
6. Fim ɗin IPP mai ƙarfi
Fim ɗin da aka hura IPP gabaɗaya ana samar da shi ta hanyar busa ƙasa, PP yana extruded kuma ana busa shi a cikin zobe mutu bakin, nan da nan bayan sanyayawar farko ta zoben iska, mai siffa ta hanyar sanyaya gaggawa ta ruwa, bushe da birgima, samfurin da aka gama shine fim ɗin Silinda, wanda kuma za a iya yanke shi ya zama fim ɗin takarda.Blown IPP yana da kyau bayyananne, mai kyau rigidity da sauki jakar yin, amma ta kauri uniformity ne matalauta da fim flatness bai isa ba.
Lokacin aikawa: Juni-08-2023