Babban abu na masks shinepolypropylene ba saƙa masana'anta(wanda kuma aka sani da masana'anta maras saƙa), wanda sirara ce ko ji kamar samfurin da aka yi daga zaren yadi ta hanyar haɗin gwiwa, fusion, ko wasu hanyoyin sinadarai da injiniyoyi. Mashin tiyatar likitanci gabaɗaya ana yin su ne da yadudduka uku na masana'anta waɗanda ba saƙa, wato spunbond ba saƙa S, narke ba saƙa M, da spunbond mara saƙa masana'anta S, aka sani da SMS tsarin; Layer na ciki an yi shi da masana'anta na yau da kullun waɗanda ba saƙa, wanda ke da alaƙar fata da tasirin ɗanɗano; Ana yin rufin waje ne da yadudduka mara saƙa, wanda ke da aikin toshe ruwa kuma ana amfani da shi ne don toshe ruwayen da mai saƙa ko wasu ke fesa; Tsakanin matattarar tacewa yawanci ana yin ta ne da masana'anta na narke polypropylene wanda ba a saka ba wanda aka sanya shi ta hanyar lantarki, wanda zai iya tace kwayoyin cuta kuma yana taka muhimmiyar rawa wajen toshewa da tacewa.
Layin samar da abin rufe fuska mai sarrafa kansa yana haɓaka haɓakar haɓakar abin rufe fuska. Manyan rolls na polypropylene masana'anta ba saƙa an yanke su cikin ƙananan juzu'i kuma an sanya su a kan layin samar da abin rufe fuska. Injin yana saita ƙaramin kusurwa kuma a hankali a hankali yana tattara su daga hagu zuwa dama. Ana danna saman abin rufe fuska tare da kwamfutar hannu, kuma ana aiwatar da matakai kamar yankan, rufe baki, da latsawa. Karkashin aikin injina mai sarrafa kansa, yana ɗaukar matsakaicin kusan daƙiƙa 0.5 kawai don layin haɗin masana'anta don samar da abin rufe fuska. Bayan samarwa, masks ana lalata su da ethylene oxide kuma a bar su su daidaita na tsawon kwanaki 7 kafin a rufe su, kunshe, akwati, da jigilar kaya don siyarwa.
Babban abu na masks - fiber polypropylene
Layer na tacewa (M Layer) a tsakiyar abin rufe fuska na likitanci wani zane ne mai narke mai narkewa, wanda shine mafi mahimmancin tushe, kuma babban abu shine narke polypropylene abu na musamman. Wannan abu yana da halaye na matsananci-high kwarara, low volatility, da kunkuntar nauyi rarraba kwayoyin. Ƙaƙƙarfan ƙirar tacewa yana da ƙarfin tacewa, garkuwa, rufi, da kaddarorin sha mai, wanda zai iya biyan ma'auni daban-daban na adadin zaruruwa a kowane yanki na yanki da farfajiyar babban abin rufe fuska na likitanci. Ton daya na babban abin narkewar fiber polypropylene zai iya samar da kusan 250000 polypropylene N95 abin rufe fuska na likita, ko kuma abin rufe fuska na tiyata 900000 zuwa miliyan 1.
Tsarin kayan tacewa na polypropylene narke mai ya ƙunshi yawancin zaruruwan criss ƙetare da aka jera a cikin bazuwar kwatance, tare da matsakaicin diamita na fiber 1.5 ~ 3 μm, kusan 1/30 na diamita na gashin ɗan adam. Tsarin tacewa na polypropylene narkar da kayan tacewa ya ƙunshi abubuwa biyu: shingen inji da adsorption electrostatic. Saboda ultrafine zaruruwa, babban takamaiman yanki na surface, high porosity, da kuma kananan matsakaita pore size, polypropylene narke hura tace kayan da kyau na kwayan cuta shãmaki da tacewa effects. Polypropylene narke busa tace abu yana da aikin electrostatic adsorption bayan electrostatic magani.
Girman novel coronavirus ƙanƙanta ne, kusan 100 nm (0.1 μm), amma ƙwayar cuta ba za ta iya wanzuwa kanta ba. Yawanci yana wanzuwa a cikin ɓoye da ɗigon ruwa lokacin atishawa, kuma girman ɗigon ya kai kusan 5 μm. Lokacin da ƙwayoyin cuta masu ɗauke da ɗigon ruwa suka kusanci masana'anta na narkewa, za a sanya su ta hanyar lantarki a saman, tare da hana su shiga tsaka-tsakin tsaka-tsakin da kuma samun tasirin shinge. Saboda gaskiyar cewa kwayar cutar tana da matukar wahala a cirewa daga tsaftacewa bayan an kama shi ta hanyar ultrafine electrostatic fibers, kuma wankewa yana iya lalata ikon tsotsawar lantarki, irin wannan nau'in mashin za a iya amfani da shi sau ɗaya kawai.
Fahimtar Fiber Polypropylene
Polypropylene fiber, kuma aka sani da PP fiber, gabaɗaya ana magana da shi azaman polypropylene a China. Fiber polypropylene fiber ne da aka yi ta hanyar polymerizing propylene azaman ɗanyen abu don haɗa polypropylene, sannan kuma ana aiwatar da tsarin jujjuyawa. Babban nau'in polypropylene sun hada da filament polypropylene, polypropylene short fiber, polypropylene tsaga fiber, polypropylene fadada filament (BCF), polypropylene masana'antu yarn, polypropylene ba saka masana'anta, polypropylene taba taba, da dai sauransu.
Polypropylene fiber ne yafi amfani ga kafet (kafet tushe da fata), na ado yadudduka, furniture yadudduka, daban-daban igiya tube, kamun kifi raga, man sha ji, ginin ƙarfafa kayan, marufi kayan, da masana'antu yadudduka kamar tace zane, jakar zane, da dai sauransu Polypropylene za a iya amfani da a matsayin taba tacewa da kuma wadanda ba saka sanitary kayan, da dai sauransu; Za a iya amfani da fibers na polypropylene ultrafine don samar da kayan ado masu tsayi; Gilashin da aka yi da filayen polypropylene mara nauyi ba shi da nauyi, dumi, kuma yana da kyawu.
Haɓaka Fiber Polypropylene
Polypropylene fiber iri-iri ne na fiber wanda ya fara samar da masana'antu a cikin 1960s. A cikin 1957, Italiya Natta et al. na farko ya haɓaka isotactic polypropylene kuma ya sami samar da masana'antu. Ba da daɗewa ba, kamfanin Montecatini ya yi amfani da shi don samar da zaruruwan polypropylene. A cikin 1958-1960, kamfanin ya yi amfani da polypropylene don samar da fiber kuma ya sanya masa suna Meraklon. Daga baya, an fara samar da kayayyaki a Amurka da Kanada. Bayan 1964, polypropylene fim raba zaruruwa da aka ɓullo da kuma sanya su cikin yadi zaruruwa da kafet yadudduka ta bakin bakin ciki fibrillation fim.
A cikin 1970s, tsarin jujjuyawar gajere da kayan aiki sun inganta tsarin samar da zaruruwan polypropylene. A lokaci guda, an fara amfani da filament ci gaba da fadada a cikin masana'antar kafet, kuma samar da fiber na polypropylene ya haɓaka cikin sauri. Bayan shekara ta 1980, haɓakar polypropylene da sabbin fasahohi don kera zaruruwan polypropylene, musamman ƙirƙira na ƙarfe na ƙarfe na ƙarfe, ingantaccen ingantaccen guduro na polypropylene. Saboda haɓakar stereoregularity (isotropy har zuwa 99.5%), ingantaccen ingancin filaye na polypropylene an haɓaka sosai.
A tsakiyar 1980s, polypropylene ultra-lafiya zaruruwa sun maye gurbin wasu zaruruwan auduga don yadudduka na yadudduka da yadudduka marasa saƙa. A halin yanzu, bincike da haɓaka zaruruwan polypropylene suma suna aiki sosai a ƙasashe daban-daban na duniya. Yaɗawa da haɓaka bambance-bambancen fasahar samar da fiber sun haɓaka filayen aikace-aikacen filayen polypropylene sosai.
Tsarin polypropylene zaruruwa
Polypropylene babban kwayoyin halitta ne tare da carbon atom a matsayin babban sarkar. Dangane da tsarin sararin samaniya na ƙungiyoyin methyl, akwai nau'ikan sifofi masu girma uku: bazuwar, iso na yau da kullun, da meta na yau da kullun. Atom ɗin carbon da ke kan babban sarkar kwayoyin polypropylene suna cikin jirgi ɗaya, kuma ana iya tsara ƙungiyoyin methyl na gefensu a cikin tsari daban-daban a kan babban sarkar jirgin sama.
Samar da filaye na polypropylene yana amfani da polypropylene isotactic tare da isotropy fiye da 95%, wanda ke da babban crystallinity. Tsarinsa sarkar karkace ce ta yau da kullun tare da tsari mai girma uku. Babban sarkar kwayar halitta ta ƙunshi sarƙoƙi masu murɗaɗɗen carbon atom a kan jirgin guda ɗaya, kuma ƙungiyoyin methyl na gefe suna gefe ɗaya na babban sarkar jirgin. Wannan crystallization ba kawai tsarin yau da kullum na kowane sarƙoƙi ba, amma kuma yana da sarƙoƙi na yau da kullun a cikin madaidaiciyar kusurwar kusurwar sarƙoƙi. crystallinity na farko polypropylene zaruruwa ne 33% ~ 40%. Bayan mikewa, crystallinity yana ƙaruwa zuwa 37% ~ 48%. Bayan zafi magani, da crystallinity iya isa 65% ~ 75%.
Polypropylene zaruruwan yawanci ana yin su ne ta hanyar narkar da kadi. Gabaɗaya, zaruruwan suna da santsi kuma madaidaiciya a kan madaidaiciyar hanya, ba tare da ratsi ba, kuma suna da ɓangaren giciye madauwari. Ana kuma jujjuya su cikin filaye marasa daidaituwa da zaruruwa masu haɗaka.
Halayen ayyuka na zaruruwan polypropylene
Tsarin rubutu
Babban fasalin polypropylene shine nau'in haske, tare da nauyin 0.91g/cm ³, wanda ya fi ruwa wuta kuma kawai 60% na nauyin auduga. Shi ne mafi sauƙi iri-iri a tsakanin filayen sinadarai na gama gari, 20% ya fi nailan wuta, 30% ya fi polyester wuta, kuma 40% ya fi fiber viscose wuta. Ya dace da yin tufafin wasanni na ruwa.
Kaddarorin jiki
Polypropylene yana da ƙarfi mai ƙarfi kuma ƙarar elongation na 20% -80%. Ƙarfin yana raguwa tare da ƙara yawan zafin jiki, kuma polypropylene yana da babban yanayin farko. Ƙarfin dawowarsa na roba yana kama da nailan 66 da polyester, kuma mafi kyau fiye da acrylic. Musamman ma, saurin dawowarsa na roba ya fi girma, don haka masana'anta polypropylene shima ya fi jure lalacewa. Polypropylene masana'anta ba shi da sauƙi ga wrinkling, sabili da haka yana da dorewa, girman tufafi yana da kwanciyar hankali, kuma ba a sauƙaƙe ba.
Ciwon danshi da aikin rini
Daga cikin zaruruwan roba, polypropylene yana da mafi munin sha da danshi, tare da kusan sake samun danshi a ƙarƙashin daidaitattun yanayin yanayi. Don haka, busasshensa da rigar ƙarfinsa da karyewarsa kusan daidai suke, wanda hakan ya sa ya dace musamman don kera gidajen kamun kifi, igiyoyi, zanen tacewa, da gauze na kashe ƙwayoyin cuta don magani. Polypropylene yana da sauƙi ga wutar lantarki da kuma pilling yayin amfani, tare da ƙananan raguwa. Yadudduka yana da sauƙi don wankewa da bushewa da sauri, kuma yana da wuyar gaske. Saboda rashin ƙarancin danshi da ƙarancin sa lokacin sawa, polypropylene galibi ana haɗe shi da zaruruwa tare da ɗaukar danshi mai yawa lokacin amfani da yadudduka na tufafi.
Polypropylene yana da tsarin macromolecular na yau da kullun da babban crystallinity, amma ba shi da ƙungiyoyi masu aiki waɗanda zasu iya ɗaure da ƙwayoyin rini, yin rini da wahala. Rini na yau da kullun ba zai iya canza shi ba. Yin amfani da rini da aka tarwatsa don rina polypropylene na iya haifar da launuka masu haske da rashin saurin launi. Ana iya samun haɓaka aikin rini na polypropylene ta hanyoyi kamar su copolymerization graft, canza launin ruwa na asali, da gyare-gyaren fili na ƙarfe.
Abubuwan sinadaran
Polypropylene yana da kyakkyawan juriya ga sinadarai, kamuwa da kwari, da mold. Kwanciyarsa akan acid, alkali, da sauran abubuwan sinadarai ya fi sauran zaruruwan roba. Polypropylene yana da kyakkyawan juriya ga lalata sinadarai, sai dai na nitric acid da aka maida hankali akan soda. Yana da kyau juriya ga acid da alkali, sa shi dace don amfani a matsayin tace abu da kumakayan tattarawa.Duk da haka, kwanciyar hankalinsa zuwa ga kaushi na halitta ya dan kadan matalauta.
Juriya mai zafi
Polypropylene fiber ne na thermoplastic tare da ƙarancin laushi da wurin narkewa fiye da sauran zaruruwa. Matsakaicin zafin jiki mai laushi shine 10-15 ℃ ƙasa da wurin narkewa, yana haifar da ƙarancin juriya na zafi. A lokacin rini, ƙarewa, da kuma amfani da polypropylene, wajibi ne a kula da kula da zafin jiki don kauce wa lalacewar filastik. Lokacin da zafi a bushe yanayi (kamar yanayin zafi sama da 130 ℃), polypropylene zai sha fatattaka saboda iskar shaka. Sabili da haka, ana ƙara wakili na anti-tsufa (mai daidaita zafi) sau da yawa a cikin samar da fiber na polypropylene don inganta kwanciyar hankali na polypropylene fiber. Amma polypropylene yana da mafi kyawun juriya ga danshi da zafi. Tafasa a cikin ruwan zãfi na tsawon sa'o'i da yawa ba tare da nakasa ba.
Sauran Ayyuka
Polypropylene yana da ƙarancin haske da juriya na yanayi, yana da saurin tsufa, ba ya jure wa guga, kuma ya kamata a adana shi daga haske da zafi. Duk da haka, ana iya inganta kayan anti-tsufa ta hanyar ƙara wakili na anti-tsufa yayin kadi. Bugu da ƙari, polypropylene yana da kyakkyawan rufin lantarki, amma yana da sauƙi ga wutar lantarki a lokacin aiki. Polypropylene ba shi da sauƙin ƙonewa. Lokacin da zaruruwa suka ragu kuma suka narke a cikin harshen wuta, harshen wuta zai iya kashe kansa. Lokacin da ya kone, yana samar da shinge mai wuyar gaske tare da ɗan ƙaramin ƙamshin kwalta.
Dongguan Liansheng Non saka Technology Co., Ltd.an kafa shi a watan Mayu 2020. Babban kamfani ne wanda ba sa saka masana'anta wanda ke haɗa bincike da haɓakawa, samarwa, da tallace-tallace. Yana iya samar da launuka daban-daban na PP spunbond yadudduka maras saka tare da faɗin kasa da mita 3.2 daga gram 9 zuwa 300.
Lokacin aikawa: Oktoba-14-2024