Zida zakwera kwambiri.Kodi matewera, zopukutira zaukhondo ndi zopukuta zonyowa sizikweza mtengo?

Pazifukwa zosiyanasiyana, makampani opanga mankhwala akwera kwambiri, ndipo mitengo yazinthu zambiri zamankhwala yakwera kwambiri.Makampani opanga ukhondo akadali ndi vuto chaka chino ndipo akukhudzidwa mwachindunji.

Ambiri ogulitsa zinthu zaiwisi ndi zothandizira (kuphatikizapo ma polima, spandex, nsalu zopanda nsalu, ndi zina zotero) mu malonda a ukhondo alengeza kuwonjezeka kwa mtengo.Chifukwa chachikulu chakuchulukiraku ndi kusowa kwa zida zopangira kumtunda kapena kukwera kosalekeza kwamitengo.Ena adanenanso kuti asanayike dongosolo Ayenera kukambirananso.

Anthu ambiri amaganiza kuti: Mitengo yakumtunda yakwera, kodi kalata yokweza mtengo kuchokera kwa wopanga zinthu zomalizidwa idzakhala kumbuyo kwambiri?

Pali chowonadi pamalingaliro awa.Ganizirani za kapangidwe ndi zipangizo za matewera, zopukutira zaukhondo, ndi zopukuta zonyowa.

Zopukuta zonyowa makamaka ndizosalukidwa, pomwe matewera ndi zopukutira zaukhondo nthawi zambiri zimakhala ndi zigawo zitatu zazikulu: wosanjikiza, wosanjikiza, ndi wosanjikiza pansi.Zomangamanga zazikuluzikuluzi zimakhala ndi zinthu zina zopangira mankhwala.

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1. wosanjikiza pamwamba: kukwera mtengo kwa nsalu yopanda nsalu

Nsalu zopanda nsalu sizimangokhala pamwamba pa matewera ndi zopukutira zaukhondo, komanso zinthu zazikulu zazitsulo zonyowa.Nsalu zosalukidwa zomwe zimagwiritsidwa ntchito muzaukhondo zotayidwa zimapangidwa ndi ulusi wamankhwala kuphatikiza poliyesitala, polyamide, polytetrafluoroethylene, polypropylene, kaboni fiber, ndi ulusi wagalasi.Zimanenedwa kuti zipangizo zamakinazi zikukweranso pamtengo, kotero kuti mtengo wa nsalu zopanda nsalu udzakwera ndithu ndi kumtunda kwake, ndipo pachifukwa chomwechi, zinthu zomalizidwa za zinthu zaukhondo zowonongeka zidzakweranso.

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2. Wosanjikiza: mtengo wa zinthu zoyamwitsa SAP ukuwonjezeka

SAP ndiye chinthu chachikulu chomwe chimapangidwa ndi gawo loyamwa la matewera ndi zopukutira zaukhondo.Macromolecular madzi-absorbere resin ndi polima yokhala ndi zinthu zotengera madzi zomwe zimapangidwa ndi ma hydrophilic monomers.Chodziwika komanso chotsika mtengo kwambiri cha monomer yotere ndi acrylic acid, ndipo propylene imachokera ku kupasuka kwa mafuta.Mtengo wa petroleum wakwera, ndipo mtengo wa acrylic acid Kutsatira kukwera, SAP idzakwera mwachibadwa.

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3. Pansi wosanjikiza: kuwonjezeka kwa mtengo wa polyethylene yaiwisi

Pansi pansi pa matewera ndi zopukutira zaukhondo ndi filimu yophatikizika, yomwe imapangidwa ndi filimu yopumira pansi komanso nsalu yopanda nsalu.Zimanenedwa kuti filimu yapansi yopuma mpweya ndi filimu yapulasitiki yopangidwa kuchokera ku polyethylene.(PE, imodzi mwa mitundu ikuluikulu ya pulasitiki, imapangidwa kuchokera ku polyethylene Polymer zipangizo.) Ndipo ethylene, monga mankhwala omwe amagwiritsidwa ntchito kwambiri ndi petrochemical, amagwiritsidwa ntchito makamaka popanga pulasitiki yaiwisi ya polyethylene.Mafuta akuda akuwonetsa kukwera, ndipo mtengo wamagetsi opumira pogwiritsa ntchito polyethylene ngati zopangira ukhoza kukwera mtengo wa polyethylene ukukwera.

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Kukwera kwa mtengo wazinthu zopangira kuyenera kukakamiza opanga zinthu zomalizidwa.Pansi pa kukakamizidwa uku, palibe zotsatirapo zoposa ziwiri:

Chimodzi ndi chakuti opanga mankhwala omalizidwa amachepetsa kugula kwa zipangizo kuti achepetse kupanikizika, zomwe zimachepetsa kupanga matewera;

China ndi chakuti opanga zinthu zomalizidwa amagawana kukakamizidwa kwa othandizira, ogulitsa ndi ogula.

Mulimonse momwe zingakhalire, kuwonjezeka kwamitengo kumapeto kwa malonda kumawoneka ngati kosapeweka.

Zoonadi, zomwe zili pamwambazi ndizongoyerekeza.Anthu ena amaganiza kuti kukwera kwamitengo uku sikukhazikika, ndipo malo osungira akadali ndi zida zothandizira, ndipo kukwera kwamitengo kwa zinthu zomwe zatha sikungabwere.Pakadali pano, palibe opanga zinthu zomalizidwa omwe apereka zidziwitso zokweza mitengo.


Nthawi yotumiza: Apr-07-2021