Labaran Masana'antu
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Menene Halayen Polyvinyl Chloride (PVC)?
Wasu daga cikin mahimman kaddarorin Polyvinyl Chloride (PVC) sune: Yawan: PVC yana da yawa sosai idan aka kwatanta da yawancin robobi (takamaiman nauyi a kusa da 1.4) Tattalin Arziki: PVC yana samuwa kuma yana da arha.Hardness: PVC mai ƙarfi yana da kyau ga tauri da dorewa.Ƙarfi: PVC mai ƙarfi yana da kyakkyawan ƙarfi mai ƙarfi.Polyvinyl Chloride wani abu ne na "thermoplastic" (sabanin "thermoset"), wanda ke da alaƙa da yadda filastik ke amsa zafi.Abubuwan thermoplastic sun zama ruwa a wurin narkewa (kewayo don PVC tsakanin ƙarancin 100 digiri Celsius da ƙimar mafi girma kamar digiri Celsius 260 dangane da abubuwan ƙari).Babban sifa mai amfani game da thermoplastics shine za'a iya mai da su zuwa wurin narkewa, sanyaya, da sake sake sakewa tare da ... -
Menene caustic soda?
A matsakaita tafiya zuwa babban kanti, masu siyayya na iya tara wanki, siyan kwalaben aspirin kuma su kalli sabbin kanun labarai kan jaridu da mujallu.A kallo na farko, yana iya zama kamar ba su da yawa a gama gari.Koyaya, ga kowane ɗayansu, soda caustic yana taka muhimmiyar rawa a cikin jerin abubuwan sinadaran su ko hanyoyin masana'antu.Menene caustic soda?Caustic soda shine sinadaran fili sodium hydroxide (NaOH).Wannan fili shine alkali - nau'in tushe wanda zai iya kawar da acid kuma yana narkewa cikin ruwa.A yau ana iya yin soda caustic a cikin nau'i na pellets, flakes, powders, mafita da sauransu.Menene soda caustic da ake amfani dashi?Caustic soda ya zama wani abu na kowa a cikin samar da abubuwa da yawa na yau da kullum.Wanda aka fi sani da lye, an yi amfani da shi t... -
Me yasa ake amfani da polypropylene akai-akai?
Ana amfani da polypropylene a cikin gida da aikace-aikacen masana'antu.Kaddarorinsa na musamman da ikon daidaitawa da fasahohin ƙirƙira iri-iri sun sa ya fice a matsayin wani abu mai kima don amfani da yawa.Wani sifa mai mahimmanci shine ikon polypropylene don aiki azaman kayan filastik da kuma azaman fiber (kamar waɗancan jakunkuna na talla waɗanda aka ba su a abubuwan da suka faru, tsere, da sauransu).Ƙwarewar musamman ta Polypropylene don ƙera ta hanyoyi daban-daban kuma cikin aikace-aikace daban-daban yana nufin ba da daɗewa ba ya fara ƙalubalantar yawancin tsoffin kayan maye, musamman a cikin marufi, fiber, da masana'antar gyare-gyaren allura.An ci gaba da ci gabanta tsawon shekaru kuma ya kasance babban dan wasa a masana'antar filastik a duk duniya.A Ƙirƙirar Mechanisms, muna ... -
Menene granules PVC?
PVC na ɗaya daga cikin robobi da aka fi amfani da su a fannin masana'antu.Plasticol, wani kamfani na Italiya da ke kusa da Varese yana kera granules na PVC fiye da shekaru 50 yanzu kuma ƙwarewar da aka tattara a cikin shekarun da suka gabata ya ba da damar kasuwancin samun irin wannan zurfin ilimin yadda za mu iya amfani da shi don gamsar da duk abokan ciniki. ' buƙatun suna ba da sabbin samfura masu inganci.Kasancewar ana amfani da PVC da yawa don kera abubuwa daban-daban yana nuna yadda halayensa na ciki ke da matukar amfani kuma na musamman.Bari mu fara magana game da rigidity na PVC: kayan yana da matukar wuya idan mai tsabta amma ya zama m idan an haɗe shi da wasu abubuwa.Wannan siffa ta musamman ta sa PVC ta dace da kera samfuran da ake amfani da su a fagage daban-daban, daga ginin daya t ... -
kyalkyali mai lalacewa zai iya canza masana'antar kayan shafawa.
Rayuwa tana cike da marufi masu sheki, kwalabe na kayan kwalliya, kwanonin ‘ya’yan itace da sauran su, amma yawancinsu an yi su ne da abubuwa masu guba da marasa dorewa waɗanda ke haifar da gurɓacewar filastik.Kwanan nan, masu bincike a Jami'ar Cambridge da ke Burtaniya sun gano hanyar da za ta haifar da ɗorewa, mara guba da kyalkyali daga cellulose, babban tubalin ginin bangon tantanin halitta na shuke-shuke, 'ya'yan itatuwa da kayan marmari.An buga takardu masu alaƙa a cikin mujallar Nature Materials akan 11th.Anyi daga nanocrystals cellulose, wannan kyalkyali yana amfani da launi na tsari don canza haske don samar da launuka masu haske.A cikin yanayi, alal misali, walƙiya na fuka-fuki na malam buɗe ido da gashin fuka-fukan dawisu sune ƙwararrun launi na tsari, waɗanda ba za su shuɗe ba bayan ƙarni.Yin amfani da dabarun haɗin kai, cellulose na iya samar da ... -
Menene Polyvinyl chloride (PVC) manna Resin?
Polyvinyl chloride (PVC) manna Resin , kamar yadda sunan ke nunawa, shine ana amfani da wannan guduro ne ta hanyar manna.Mutane sukan yi amfani da irin wannan manna a matsayin plastisol, wanda wani nau'i ne na ruwa na musamman na filastik PVC a cikin yanayin da ba a sarrafa shi ba..Ana shirya resin manna sau da yawa ta hanyar emulsion da hanyoyin dakatarwa.Polyvinyl chloride manna guduro yana da ƙaƙƙarfan girman barbashi, kuma rubutun sa kamar talc ne, tare da rashin motsi.Ana hada resin na polyvinyl chloride da na'urar Plasticizer sannan a zuga a sanya suspension mai tsayayye, sai a sanya shi ya zama PVC paste, ko kuma PVC plastisol, PVC sol, kuma a cikin wannan tsari ne ake amfani da mutane wajen sarrafa kayan da aka kammala.A cikin aiwatar da manna, ana ƙara filler daban-daban, diluents, masu daidaita zafi, masu kumfa da masu daidaita haske bisa ga ... -
Menene PP Films?
KYAUTA Polypropylene ko PP thermoplastic mai arha ne mai tsafta, babban sheki da kyakkyawan ƙarfi.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 ... -
Menene fili na PVC?
Abubuwan haɗin PVC sun dogara ne akan haɗin PVC polymer RESIN da ƙari waɗanda ke ba da tsarin da ake buƙata don amfani na ƙarshe (Pipes ko Profiles Rigid ko Bayanan Bayanan Bayani mai Sauƙi ko Sheets).An kafa fili ta hanyar haɗa abubuwan da aka haɗa tare, wanda daga baya ya canza zuwa labarin "gelled" a ƙarƙashin rinjayar zafi da ƙarfi.Dangane da nau'in PVC da ƙari, fili kafin gelation zai iya zama foda mai kyauta (wanda aka sani da busassun bushe) ko ruwa a cikin nau'i na manna ko bayani.Abubuwan haɗin PVC lokacin da aka ƙirƙira su, ta amfani da filastik, cikin kayan sassauƙa, galibi ana kiran su PVC-P.Abubuwan haɗin PVC lokacin da aka ƙirƙira ba tare da filastik don aikace-aikace masu tsauri ba an tsara su PVC-U.PVC Compounding za a iya taƙaita kamar haka: The m PVC dr ... -
Bambanci Tsakanin BOPP, OPP da PP Jakunkuna.
Masana'antar abinci galibi tana amfani da fakitin filastik BOPP.Jakunkuna na BOPP suna da sauƙin bugawa, sutura da laminate wanda ke sa su dace da ɗaukar kayayyaki kamar sabbin kayan masarufi, kayan abinci da kayan ciye-ciye.Tare da BOPP, OPP, da jakunkuna PP ana amfani da su don marufi.Polypropylene polymer ne na kowa a cikin ukun da ake amfani da su don kera jaka.OPP yana nufin Polypropylene, BOPP yana nufin Biaxial Oriented Polypropylene kuma PP yana nufin Polypropylene.Dukansu uku sun bambanta da salon ƙirar su.Polypropylene kuma aka sani da polypropene ne mai thermoplastic Semi-crystalline polymer.Yana da tauri, mai ƙarfi kuma yana da juriya mai tasiri.Jakunkuna na tsaye, buhunan zuki da jakunkuna na ziplock ana yin su daga polypropylene.Yana da matukar wahala a bambance tsakanin OPP, BOPP da PP plas... -
Binciken Aikace-aikacen Hasken Tattaunawa (PLA) a cikin Tsarin Hasken LED.
Masana kimiyya daga Jamus da Netherlands suna binciken sabbin kayan aikin PLA na muhalli.Manufar ita ce haɓaka kayan ɗorewa don aikace-aikacen gani kamar fitilolin mota, ruwan tabarau, robobi masu haske ko jagororin haske.A yanzu, waɗannan samfuran gabaɗaya an yi su ne da polycarbonate ko PMMA.Masana kimiyya suna son nemo robobin da ya dogara da halittu don yin fitilun mota.Ya bayyana cewa polylactic acid abu ne mai dacewa da ɗan takara.Ta wannan hanya, masana kimiyya sun warware matsaloli da dama da robobi na gargajiya ke fuskanta: na farko, mayar da hankalinsu ga albarkatun da ake sabunta su na iya rage matsi da danyen mai ke haifarwa a masana'antar robobi;na biyu, yana iya rage fitar da iskar carbon dioxide;na uku, wannan ya ƙunshi la'akari da dukan rayuwar abin duniya c... -
Luoyang ton miliyan na aikin ethylene ya sami sabon ci gaba!
A ranar 19 ga watan Oktoba, dan jaridar ya samu labari daga kamfanin Luoyang Petrochemical cewa, kamfanin Sinopec Group Corporation ya gudanar da wani taro kwanan nan a nan birnin Beijing, inda ya gayyaci masana daga sassa fiye da 10 da suka hada da Sinawan Sinadaran Sin, da kungiyar masana'antun roba ta kasar Sin, da wakilan da suka dace da su kafa kungiyar kwararru ta tantancewa don tantancewa. miliyoyin Luoyang Petrochemical.Rahoton binciken yuwuwar aikin 1-ton ethylene za a kimanta da kuma nuna shi gabaɗaya.A taron, ƙungiyar ƙwararrun ƙwararrun ƙima ta saurari rahotanni masu dacewa na Luoyang Petrochemical, Sinopec Engineering Construction Company da Luoyang Engineering Company game da aikin, kuma sun mai da hankali kan cikakken kimantawa game da wajibcin gina aikin, albarkatun kasa, tsare-tsaren samfur, kasuwanni. kuma ci gaba... -
Matsayin aikace-aikacen da yanayin polylactic acid (PLA) a cikin motoci.
A halin yanzu, babban filin amfani da polylactic acid shine kayan tattarawa, yana lissafin fiye da 65% na yawan amfani;biye da aikace-aikace irin su kayan abinci, zaruruwa / yadudduka marasa saka, da kayan bugu na 3D.Turai da Arewacin Amurka sune manyan kasuwanni na PLA, yayin da Asiya Pasifik za ta kasance ɗaya daga cikin kasuwanni mafi girma a duniya yayin da buƙatar PLA ke ci gaba da haɓaka a ƙasashe kamar China, Japan, Koriya ta Kudu, Indiya da Thailand.Daga yanayin yanayin aikace-aikacen, saboda kyawawan kaddarorinsa na inji da na zahiri, polylactic acid ya dace da gyare-gyaren extrusion, gyare-gyaren allura, gyare-gyaren bugun jini, juyawa, kumfa da sauran manyan hanyoyin sarrafa filastik, kuma ana iya yin su cikin fina-finai da zanen gado., fiber, waya, foda da o ...
