Nailan abuana amfani da shi sosai, ƙananan zuwa safa na nailan, manyan zuwa sassa na injin mota, da dai sauransu, sun rufe dukkan al'amuran rayuwarmu.Wuraren aikace-aikacen daban-daban, abubuwan buƙatun kayan kayan nailan kuma sun bambanta, irin su juriya mai ƙarfi, juriya da juriya mai ƙarfi, juriya wakili na sinadarai, nuna gaskiya da juriya.
Nailan na al'ada, gabaɗaya yana nufin PA6, PA66 nau'ikan gama gari guda biyu.Nailan na al'ada a cikin haɓakawa, haɓakar harshen wuta da sauran gyare-gyare za su kasance suna da manyan gazawa, irin su ƙarfi mai ƙarfi, juriya mai zafi, rashin gaskiya da sauransu, iyakance ƙarin aikace-aikace.
Don haka, don haɓaka gazawar da haɓaka sabbin halaye, gabaɗaya ta hanyar gabatar da sabbin monomers na roba, zamu iya samun jerin nailan na musamman tare da halaye daban-daban waɗanda zasu iya saduwa da lokutan amfani daban-daban, galibi sun kasu kashi biyu.high zafin jiki nailan, dogon carbon sarkar nailan, m nailan, bio-tushen kayan nailan da nailan elastomer da sauransu.
Sa'an nan, bari mu magana game da Categories na musamman nailan, su halaye da kuma aikace-aikace.
Rabewa da misalan aikace-aikace nanailan na musamman
1. High zafin jiki juriya -- high zafin jiki nailan
Da farko dai, nailan mai zafi yana nufin kayan nailan waɗanda za a iya amfani da su a cikin yanayi sama da 150 ° C na dogon lokaci.
Babban juriyar yanayin zafi na nailan mai zafi ana samun gabaɗaya ta hanyar gabatar da ƙamshi mai kauri.Alal misali, nailan mai ƙanshi, mafi yawan al'ada shine DuPont's Kevlar, wanda aka shirya ta hanyar amsawar p-benzoyl chloride tare da p-phenylenediamine ko p-amino-benzoic acid, wanda ake kira PPTA, na iya kula da kyakkyawan ƙarfi a 280 °. C da 200h.
Duk da haka, dukan aromatic highnailan zafin jikiba shi da kyau don aiwatarwa kuma yana da wahala a cimma gyare-gyaren allura, don haka nailan mai zafin jiki na Semi- aromatic hade da aliphatic da aromatic ya fi fifiko.A halin yanzu, yawancin nau'ikan nailan masu zafin jiki, irin su PA4T, PA6T, PA9T, PA10T, da dai sauransu, sune ainihin nailan mai zafi mai zafi mai zafi mai zafi wanda aka sanya su daga madaidaiciyar sarkar aliphatic diamine da terephthalic acid.
Ana amfani da nailan mai zafi sosai a cikin sassan mota, sassan injina da sassan lantarki / lantarki.
2. High tauri - dogon carbon sarkar nailan
Na biyu shine dogon sarkar carbon nailan, wanda gabaɗaya yana nufin kayan nailan tare da fiye da methylenes 10 a cikin sarkar kwayoyin.
A gefe guda, dogon nailan sarkar carbon yana da ƙarin ƙungiyoyin methylene, don haka yana da ƙarfi da taushi.A gefe guda kuma, raguwar yawan ƙungiyoyin amide akan sarkar kwayoyin suna rage yawan ruwa da inganta yanayin yanayinsa, kuma nau'ikansa sune PA11, PA12, PA610, PA1010, PA1212 da sauransu.
A matsayin wani nau'i mai mahimmanci na robobi na injiniya, dogon nailan sarkar carbon yana da fa'idodin ƙarancin sha ruwa, kyakkyawan juriya mara ƙarancin zafin jiki, girman barga, ƙaƙƙarfan ƙarfi, ɗaukar girgiza mai jurewa, da sauransu, kuma ana amfani dashi ko'ina a cikin motoci, sadarwa, injina. , kayan lantarki, sararin samaniya, kayan wasanni da sauran fannoni.
3. High nuna gaskiya - m nailan
Nailan na al'ada yawanci bayyanar yana bayyana, watsa haske tsakanin 50% zuwa 80%, kuma watsawar hasken nailan gabaɗaya ya fi 90%.
Za a iya canza nailan na zahiri ta hanyar jiki da hanyoyin sinadarai.Hanya ta zahiri ita ce ƙara wakili na nuclei da rage girman hatsin sa zuwa kewayon tsayin raƙuman da ake iya gani don samun nailan na zahiri na microcrystalline.Hanyar sinadarai ita ce gabatar da monomer mai ɗauke da rukunin gefe ko tsarin zobe, lalata tsarin sarkar kwayoyin halitta, da samun nailan bayyananne.
Za a iya amfani da nailan na zahiri don abin sha da kayan abinci, amma kuma yana iya kera kayan aikin gani da sassan kwamfuta, samar da masana'antu na saka idanu Windows, taga kayan aikin X-ray, na'urorin aunawa, ma'ajiyar mai haɓakawa ta lantarki, murfin fitilun na musamman, kayan abinci da kwantenan lamba abinci. .
4. Dorewa - Bio- tushenKayayyakin Nailan
A halin yanzu, yawancin nau'ikan nau'ikan nau'ikan nailan sun fito ne daga hanyar tace man fetur, kuma monomer na roba na kayan da ake amfani da shi na nailan ya fito ne daga hanyar hako albarkatun albarkatun halittu, kamar Arkema ta hanyar hakar mai don samun amino undecanoic. acid sannan nailan roba 11.
Idan aka kwatanta da kayan nailan na gargajiya na tushen mai, kayan nailan ba wai kawai yana da fa'idodin ƙarancin carbon da fa'idodin muhalli ba, har ma yana iya saduwa da buƙatun aikin daban-daban na mafita, kamar Shandong Kaisai na tushen bio-based PA5X series, Arkema An yi nasarar amfani da jerin Rilsan a cikin sassan motoci, na'urorin lantarki da masana'antar bugu na 3D da sauran fannoni.
5.Babban elasticity -- nailan elastomer
Nailan elastomeryana nufin nau'in nailan tare da babban juriya, nauyi mai haske da sauran halaye, amma yana da daraja a ambata cewa tsarin sarkar kwayoyin halitta na nailan elastomer ba duk sassan sarkar polyamide ba ne, da kuma sassan sarkar polyether ko polyester, yawancin nau'ikan kasuwanci na yau da kullun shine polyether block amide. (PEBA).
Halayen wasan kwaikwayon na PEBA sune ƙarfin ƙarfi mai ƙarfi, dawo da na roba mai kyau, ƙarfin tasirin tasirin zafi mai ƙarfi, kyakkyawan juriya mai ƙarancin zafin jiki, kyakkyawan aikin antistatic, da sauransu, wanda aka yi amfani da shi a cikin takalman hawan dutse, takalman ski, silent gear da catheters na likita.
Lokacin aikawa: Dec-27-2023