High ƙarfi high modules polyethylene fiber masana'antun gabatar da aikin
(1) Kyakkyawan juriya mai tasiri
Fiber UHMWPE fiber ne na thermoplastic tare da ƙananan zafin canjin gilashin.Yana da ƙarfi mai kyau kuma yana ɗaukar makamashi a cikin aiwatar da nakasar filastik.Sabili da haka, kayan haɗin gwiwarsa har yanzu yana da kyawawan kaddarorin injina a babban nauyin ƙima da ƙarancin zafin jiki.Ƙarfin tasiri ya fi girma fiye da na carbon fiber, arylon fiber da gilashin fiber composites.Tasirin tasirin jimlar kuzarin Et / P na UHMWPE fiber composite shine 1.8, 2.6 da sau 3 na fiber carbon, fiber aramide da fiber gilashin E, bi da bi.Ikon hana harsashi na UHMWPE fiber composite shine sau 2.5 sama da na fiber aramide.Ƙarfin tasirin fiber na UHMWPE kusan iri ɗaya ne da na nailan, kuma ƙarfin kuzari na fiber UHMWPE a ƙarƙashin tasirin saurin gudu ya ninka na PPTA fiber da fiber nailan.Wannan wasan kwaikwayon ya dace sosai don yin kayan aikin harsashi.
(2) Kyakkyawan aikin lankwasawa
Babban nauyin fiber polyethylene yana da kyawawan kaddarorin lankwasa kuma yana iya ƙirƙirar coils ɗin saƙa da kullin kai ba tare da karye ba.The lankwasawa Properties na gilashin fiber, carbon fiber da arylon fiber ne matalauta.Kwatanta kaddarorin sarrafawa na fibers daban-daban yana nuna cewa babban nauyin kwayoyin polyethylene yana da ƙarfin haɗin gwiwa da ƙarfin zobe, kuma fiber UHMWPE yana da mafi kyawun ƙirar zobe fiye da fiber aramid.
(3) Juriya mai raɗaɗi na fiber
Aiki mai raɗaɗi na fiber HSHMPE ya dogara da zafin jiki da nauyin yanayin aiki.A creep yi na HSHMPE fiber a 35 ℃ da 1g / d load aka nuna a cikin Table 3. Idan aka kwatanta da na al'ada fiber, da creep juriya yi na HSHMPE fiber ne m.
(4) Kyakkyawan juriya da danshi da juriyar lalata sinadarai
Saboda tsarin sinadarai mai sauƙi na polyethylene, yana da kyakkyawan juriya na lalata.Abubuwan da aka yi da wannan fiber ba za su rasa ƙarfin su ta hanyar hulɗa da acid, alkalis, ruwa mai datti, da dai sauransu. don hana yashwar kwayoyin ruwa da sinadarai reagents yadda ya kamata, don haka yana da kyakkyawan juriya mai narkewa.Spectra fibers suna riƙe ƙarfin su gabaɗaya lokacin da aka nutsar da su tsawon rabin shekara a cikin kafofin watsa labarai iri-iri, kamar ruwa, mai, acid, da mafita na tushe.Fiber Spectra yana riƙe da ƙarfi bayan nutsewa cikin ruwa har zuwa shekaru biyu kuma yana da juriya ga lalatar halittu.Tebur 1 -- 8 ya lissafa ƙarfin riƙewar Spectra fiber da Kevlar fiber a cikin kafofin watsa labaru daban-daban na sinadarai.UHMWPE fiber macromolecular sarkar ba ya ƙunshi wani aromatic zobe, amino kungiyar, hydroxyl kungiyar ko wasu sinadaran kungiyoyin m zuwa aiki reagent harin, da crystallinity ne high, don haka da ƙarfi a daban-daban caustic yanayi ana kiyaye fiye da 90%, yayin da aramid fiber a cikin acid mai karfi, tushe mai karfi yana raguwa sosai.
(5) Sanya juriya
Juriyar lalacewa na kayan gabaɗaya yana raguwa tare da babban modulus, amma don fiber UHMWPE, yanayin sabanin haka ne, wannan saboda ƙarancin juzu'in sa, don haka yana da tsayin daka.Spectra900PE fiber igiya yana da 8 sau mafi girma karya sake zagayowar lambar N fiye da aramid fiber, kuma yana da mafi girma lalacewa da lankwasawa ƙarfi fiye da aramid fiber.Saboda sauƙin sarrafa shi, yana da kyakkyawan fata na aikace-aikacen a cikin masana'antu.Wear juriya na UHMWPE a cikin kambi na filastik, sau da yawa fiye da carbon karfe, Huang Gang lalacewa-juriya, juriyarsa sau da yawa fiye da polyethylene na yau da kullun, kuma tare da babban adadin ƙwayoyin ƙwayoyin cuta, aikin juriya yana ƙara haɓaka, amma bayan lokacin da adadin kwayoyin halittar dangi ya kai wani ƙima, juriyarsa ta daina canzawa tare da babban adadin kwayoyin halitta.
(6) Rufin wutar lantarki da juriya na haske
Watsawar fiber na UHMWPE da aka ƙarfafa abubuwan da aka haɗa zuwa radar radar ya fi na gilashin fiber ƙarfafa abubuwan haɗin gwiwa saboda ƙarancin ƙarancin dielectric akai-akai da ƙimar asarar dielectric da ƙarancin radar radar da ke nunawa.Matsakaicin dielectric na kayan polyethylene da ƙimar asarar wutar lantarki kaɗan ne, waɗanda suka dace da kera radomes daban-daban.Bugu da ƙari, ƙarfin dielectric na UHMWPE shine game da 700kV / mm, wanda zai iya sarrafa canja wurin arc da wutar lantarki.
Ko da bayan hasken 1500h, ƙarfin riƙewar fiber UHMWPE shine kusan kashi 68 cikin ɗari, yayin da sauran zaruruwa ke ƙasa da kashi 50.
Lokacin aikawa: Agusta-15-2022
