Polypropylene ko PP wani thermoplastic mai ƙarancin farashi ne mai tsabta, babban mai sheki da ƙarfin ƙarfi mai kyau.Yana da matsayi mafi girma fiye da PE, wanda ya sa ya dace da aikace-aikacen da ke buƙatar haifuwa a yanayin zafi.Hakanan yana da ƙarancin hazo da ƙyalli mafi girma.Gabaɗaya, abubuwan rufewar zafi na PP ba su da kyau kamar na LDPE.LDPE kuma yana da mafi kyawun ƙarfin hawaye da juriya mai ƙarancin zafin jiki.
PP za a iya karafa wanda ke haifar da ingantattun kaddarorin shingen iskar gas don buƙatar aikace-aikace inda tsawon rayuwar samfurin ke da mahimmanci.Fina-finan PP sun dace sosai don nau'ikan masana'antu, mabukaci, da aikace-aikacen mota.
PP cikakke ne mai sake yin fa'ida kuma ana iya sarrafa shi cikin sauƙi cikin wasu samfuran don aikace-aikace daban-daban.Duk da haka, ba kamar takarda da sauran samfurori na cellulose ba, PP ba ta da lalacewa.A gefe, sharar gida na PP baya haifar da abubuwa masu guba ko cutarwa.
Ana jefa nau'ikan abubuwa biyu masu mahimmanci guda biyu da ba su da izini (CPP) da Biaxially Orieded Polypropylene (BOPP).Dukansu nau'ikan suna da babban sheki, na'urorin gani na musamman, mai kyau ko kyakkyawan aikin hatimin zafi, mafi kyawun juriya mai zafi fiye da PE, da kyawawan kaddarorin shingen danshi.
Fina-finan Cast Polypropylene (CPP)
Cast unoriented Polypropylene (CPP) gabaɗaya yana samun ƙarancin aikace-aikace fiye da polypropylene daidaitacce (BOPP).Duk da haka, CPP tana ci gaba da samun ƙasa azaman kyakkyawan zaɓi a yawancin marufi masu sassauƙa na gargajiya da kuma aikace-aikacen da ba na tattarawa ba.Ana iya ƙera kayan fim ɗin don saduwa da takamaiman marufi, aiki, da buƙatun sarrafawa.Gabaɗaya, CPP yana da haɓakar hawaye da juriya mai ƙarfi, mafi kyawun yanayin zafin sanyi da abubuwan rufewar zafi fiye da BOPP.
Biaxial Oriented Polypropylene Films (BOPP)
Biaxial oriented polypropylene ko BOPP1 shine mafi mahimmancin fim ɗin polypropylene.Kyakkyawan madadin ga cellophane, takarda kakin zuma, da foil na aluminum.Matsakaicin yana ƙara ƙarfin ƙarfi da taurin kai, yana saukar da elongation (mafi wuyar shimfiɗawa), kuma yana haɓaka kaddarorin gani, da ɗan inganta kaddarorin shingen tururi.Gabaɗaya, BOPP yana da ƙarfin juriya mafi girma, mafi girma modulus (ƙuƙwalwa), ƙarancin elongation, mafi kyawun shingen iskar gas, da ƙarancin hazo fiye da CPP.
Aikace-aikace
Ana amfani da fim ɗin PP don aikace-aikacen marufi na yau da kullun kamar su taba sigari, alewa, abun ciye-ciye da kayan abinci.Hakanan za'a iya amfani da shi don murƙushe murɗa, layukan tef, diapers da kuma nannade bakararre da ake amfani da su a aikace-aikacen likita.Saboda PP yana da matsakaicin kaddarorin shingen iskar gas, galibi ana lulluɓe shi da wasu polymers kamar PVDC ko acrylic wanda ke haɓaka kaddarorin shingen iskar gas.
Saboda ƙananan wari, babban juriya na sinadarai da rashin aiki, yawancin maki PP sun dace da aikace-aikacen marufi a ƙarƙashin dokokin FDA.
Lokacin aikawa: Afrilu-07-2022