Fim ɗin UHMW Polyethylene yana da tsayin daka na juriya, wanda ya wuce juriyar abrasion na ƙarfe.Haɗe tare da faffadan juriyar sinadarai da ƙarancin juzu'i ya sa UHMW ya zama kayan aikin injiniya mai matuƙar dacewa don aikace-aikacen sabis masu ƙarfi da yawa.Slippery kamar polymer® Fluoropolymer, amma super abrasion & sa juriya.UHMW Polymers suna da matsakaicin nauyin kwayoyin halitta sau 10 fiye da na resins polyethylene masu girma na al'ada.Maɗaukakin nauyin kwayoyin halitta yana ba UHMW Polymers haɗin haɗin halayensa na musamman Aikace-aikace: Filayen ciki da na waje don ruwan sha, sinadarai, man fetur da na'ura mai aiki da karfin ruwa, saman ƙasa don skis da allon dusar ƙanƙara, linings don chutes don rage rikici da lalacewa.
Fim ɗin skived na kasuwanci na ultra-high kwayoyin-weight polyethylene (UHMWPE) tare da babban daidaitawar uniaxial1 an yi nazarin lokacin narkewa da crystallisation tare da ƙudurin lokaci na 30s don gano hanyoyin ƙira.
An gano cewa isotropic crystallisation yana faruwa a duk lokacin da aka yi zafi zuwa 140 ◦C ko sama.Tsarin crystallisation yana faruwa, idan an kiyaye narkewar a 138 ◦C ko ƙasa.Mafi kyawun zafin jiki na narkewa yana bayyana 136 ◦C.A wannan zafin jiki na semicrystalline nanostructure na ainihin fim ɗin an share shi gaba ɗaya, yayin da ƙwaƙwalwar daidaitawa na narkewa yana adana.Haka kuma, ba za a iya ƙaddamar da isothermal crystallisation a zazzabi na 110 ◦C da sama.A zafin jiki na 105 ◦C daidaitacce crystallisation yana farawa bayan 2.5 min.Lamellae tare da raguwar kauri a hankali suna girma a cikin lokacin isothermal na mintuna 20.
A lokacin da ba na isothermal crystallisation (yawan sanyaya: 20◦C/min) an kafa ƙananan tubalan crystalline tare da haɗin gwiwa na gaba.Don haka hanyoyin kristal ɗin sun yi kama da waɗanda aka samo tare da sauran kayan polyethylene tare da isassun sarkar sarkar sarkar da aka yi nazari a baya, ban da ƙarancin sanyi da ake buƙata don farawa na isothermal crystallisation.
An yi nazarin bayanan da ke cikin sararin samaniya ta hanyar CDF mai girma dabam.A lokacin narkewar kayan, matsakaicin kauri na yadudduka na crystalline ya kasance akai-akai (27 nm), yayin da tsawon lokaci yana ƙaruwa sosai daga 60 nm zuwa 140 nm.Domin bincike ya nuna cewa hatta nanostructure na asali ya mamaye dangantakar makwabta kawai wannan yana nufin cewa kwanciyar hankali na lamella yana karuwa ne kawai a matsayin aikin nisa zuwa makwabta.Duk da yake ainihin tsarin yana baje kolin lamellae mai tsayi, yankunan da aka sake gyarawa ba su fi nisa ba fiye da tazarar da ke tsakanin su a cikin hanyar fiber s3.
Aikace-aikace sun haɗa da rufin isar da iskar gas, dogo na jagora, layukan layi, jagororin sarƙoƙi, faifan aljihun tebur da rage amo.Kyakkyawan abrasion da juriya.
Lokacin aikawa: Juni-17-2017