Nkhani Zamakampani
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Makampani opanga mafashoni akuseweranso ndi sayansi yopangidwa, pomwe LanzaTech yatulutsa diresi lakuda lopangidwa kuchokera ku CO₂.
Sikokomeza kunena kuti sayansi ya zamoyo zopangidwa yalowa m'mbali zonse za miyoyo ya anthu. ZymoChem yatsala pang'ono kupanga jekete la ski lopangidwa ndi shuga. Posachedwapa, kampani yogulitsa zovala zamafashoni yatulutsa diresi lopangidwa ndi CO₂. Fang ndi LanzaTech, kampani yotchuka ya sayansi ya zamoyo zopangidwa. Zikumveka kuti mgwirizanowu si "kusakanikirana" koyamba kwa LanzaTech. Kumayambiriro kwa Julayi chaka chino, LanzaTech idagwirizana ndi kampani ya zovala zamasewera ya Lululemon ndipo idapanga ulusi ndi nsalu yoyamba padziko lonse lapansi yomwe imagwiritsa ntchito nsalu zobwezerezedwanso za carbon emission. LanzaTech ndi kampani yaukadaulo wa sayansi ya zamoyo zopangidwa yomwe ili ku Illinois, USA. Kutengera ndi kusonkhanitsa kwake kwaukadaulo mu sayansi ya zamoyo zopangidwa, bioinformatics, luntha lochita kupanga ndi kuphunzira kwa makina, ndi uinjiniya, LanzaTech yapanga... -
Njira Zowonjezerera Makhalidwe a PVC - Udindo wa Zowonjezera.
Utomoni wa PVC womwe umapezeka kuchokera ku polymerization ndi wosakhazikika kwambiri chifukwa cha kukhazikika kwake pang'ono kwa kutentha komanso kukhuthala kwakukulu kwa kusungunuka. Umafunika kusinthidwa musanagwiritse ntchito kukhala zinthu zomalizidwa. Makhalidwe ake amatha kukulitsidwa/kusinthidwa powonjezera zowonjezera zingapo, monga zolimbitsa kutentha, zolimbitsa UV, zolimbitsa pulasitiki, zosinthira mphamvu, zodzaza, zoletsa moto, utoto, ndi zina zotero. Kusankha zowonjezera izi kuti ziwonjezere mawonekedwe a polymer kumadalira kufunikira kwa ntchito yomaliza. Mwachitsanzo: 1. Mapulasitiki (Phthalates, Adipates, Trimellitate, ndi zina zotero) amagwiritsidwa ntchito ngati zofewetsa kuti ziwonjezere magwiridwe antchito a rheological komanso makina (kulimba, mphamvu) ya zinthu za vinyl powonjezera kutentha. Zinthu zomwe zimakhudza kusankha kwa mapulasitiki a vinyl polymer ndi: Kugwirizana kwa polymer... -
Mpando wosindikizidwa wa polylactic acid wa 3D womwe umasokoneza malingaliro anu.
M'zaka zaposachedwapa, ukadaulo wosindikiza wa 3D ukhoza kuwoneka m'mafakitale osiyanasiyana, monga zovala, magalimoto, zomangamanga, chakudya, ndi zina zotero, zonse zingagwiritse ntchito ukadaulo wosindikiza wa 3D. Ndipotu, ukadaulo wosindikiza wa 3D unkagwiritsidwa ntchito popanga zinthu pang'onopang'ono m'masiku oyambirira, chifukwa njira yake yofulumira yopangira zinthu ingachepetse nthawi, mphamvu za anthu ndi kugwiritsa ntchito zinthu zopangira. Komabe, pamene ukadaulo ukukulirakulira, ntchito yosindikiza ya 3D si yongowonjezera chabe. Kugwiritsa ntchito kwakukulu kwa ukadaulo wosindikiza wa 3D kumafikira ku mipando yomwe ili pafupi kwambiri ndi moyo wanu watsiku ndi tsiku. Ukadaulo wosindikiza wa 3D wasintha njira yopangira mipando. Mwachikhalidwe, kupanga mipando kumafuna nthawi yambiri, ndalama ndi mphamvu za anthu. Pambuyo poti chitsanzo cha chinthucho chapangidwa, chiyenera kuyesedwa nthawi zonse ndikuwongoleredwa. Ho... -
Kusanthula pa Kusintha kwa Mitundu ya PE Yogwiritsa Ntchito Pansi pa Msika Mtsogolo.
Pakadali pano, kuchuluka kwa polyethylene komwe anthu amagwiritsa ntchito m'dziko langa ndi kwakukulu, ndipo mitundu ya pulasitiki yomwe ili pansi pake ndi yovuta ndipo imagulitsidwa mwachindunji kwa opanga zinthu zapulasitiki. Ndi gawo la zinthu zomwe zimagwiritsidwa ntchito pang'ono mu unyolo wa ethylene womwe uli pansi pake. Kuphatikiza pa zotsatira za kuchuluka kwa zinthu zomwe zimagwiritsidwa ntchito m'nyumba, kusiyana kwa zinthu zomwe zimagwiritsidwa ntchito m'deralo komanso kufunikira kwake sikuli kofanana. Ndi kukula kwakukulu kwa mphamvu zopangira zinthu zomwe makampani opanga zinthu za polyethylene m'dziko langa akupanga m'zaka zaposachedwa, mbali yopereka zinthu yawonjezeka kwambiri. Nthawi yomweyo, chifukwa cha kusintha kosalekeza kwa kupanga ndi moyo wa anthu okhala m'deralo, kufunikira kwa zinthuzi kwawonjezeka pang'onopang'ono m'zaka zaposachedwa. Komabe, kuyambira theka lachiwiri la 202... -
Kodi mitundu yosiyanasiyana ya polypropylene ndi iti?
Pali mitundu iwiri ikuluikulu ya polypropylene yomwe ilipo: ma homopolymer ndi ma copolymer. Ma copolymer amagawidwanso m'magulu a block copolymers ndi ma random copolymers. Gulu lililonse limagwirizana bwino ndi ntchito zina kuposa zina. Polypropylene nthawi zambiri imatchedwa "chitsulo" cha makampani apulasitiki chifukwa cha njira zosiyanasiyana zomwe ingasinthidwe kapena kusinthidwa kuti ikwaniritse bwino ntchito inayake. Izi nthawi zambiri zimachitika poika zowonjezera zapadera kapena kuzipanga mwanjira yapadera. Kusinthasintha kumeneku ndi chinthu chofunikira kwambiri. Homopolymer polypropylene ndi mtundu wazinthu zonse. Mutha kuganiza izi ngati momwe zinthu za polypropylene zimakhalira. Block copolymer polypropylene ili ndi mayunitsi a co-monomer omwe amakonzedwa m'magawo (ndiko kuti, mu kapangidwe kake) ndipo ali ndi chilichonse... -
Kodi Polyvinyl Chloride (PVC) ndi yotani?
Zina mwa zinthu zofunika kwambiri za Polyvinyl Chloride (PVC) ndi izi: Kuchulukana: PVC ndi yokhuthala kwambiri poyerekeza ndi mapulasitiki ambiri (mphamvu yokoka yozungulira 1.4) Zachuma: PVC imapezeka mosavuta komanso yotsika mtengo. Kulimba: PVC yolimba imapambana bwino chifukwa cha kuuma ndi kukhazikika. Mphamvu: PVC yolimba ili ndi mphamvu yokoka bwino. Polyvinyl Chloride ndi chinthu cha "thermoplastic" (mosiyana ndi "thermoset"), chomwe chimagwirizana ndi momwe pulasitiki imayankhira kutentha. Zipangizo za thermoplastic zimakhala zamadzimadzi pamalo awo osungunuka (mtundu wa PVC pakati pa madigiri 100 Celsius otsika kwambiri ndi mitengo yapamwamba monga madigiri 260 Celsius kutengera zowonjezera). Chinthu chofunikira kwambiri chokhudza thermoplastics ndichakuti zimatha kutenthedwa kufika pamalo awo osungunuka, kuzizidwa, ndikutenthedwanso ndi... -
Kodi soda yokazinga ndi chiyani?
Paulendo wamba wopita ku supermarket, ogula amatha kugula sopo wothira, kugula botolo la aspirin ndikuyang'ana mitu yaposachedwa m'manyuzipepala ndi magazini. Poyamba, sizingawoneke ngati zinthuzi zili ndi zofanana zambiri. Komabe, pa chilichonse mwa izo, soda ya caustic imagwira ntchito yofunika kwambiri pamndandanda wawo wazosakaniza kapena njira zopangira. Kodi soda ya caustic ndi chiyani? Soda ya caustic ndi mankhwala a sodium hydroxide (NaOH). Phatikizi iyi ndi alkali - mtundu wa maziko omwe amatha kuletsa ma acid ndipo amasungunuka m'madzi. Masiku ano soda ya caustic imatha kupangidwa ngati ma pellets, ma flakes, ufa, mayankho ndi zina zambiri. Kodi soda ya caustic imagwiritsidwa ntchito chiyani? Soda ya caustic yakhala chinthu chofala popanga zinthu zambiri za tsiku ndi tsiku. Yodziwika bwino kuti lye, yagwiritsidwa ntchito pa... -
Chifukwa chiyani polypropylene imagwiritsidwa ntchito nthawi zambiri?
Polypropylene imagwiritsidwa ntchito m'nyumba ndi m'mafakitale. Kapangidwe kake kapadera komanso kuthekera kwake kosintha malinga ndi njira zosiyanasiyana zopangira zinthu zimapangitsa kuti ikhale yodziwika bwino ngati chinthu chamtengo wapatali chogwiritsidwa ntchito m'njira zosiyanasiyana. Chinthu china chofunika kwambiri ndi kuthekera kwa polypropylene kugwira ntchito ngati pulasitiki komanso ngati ulusi (monga matumba otsatsa omwe amaperekedwa pazochitika, mipikisano, ndi zina). Luso lapadera la polypropylene lopangidwa m'njira zosiyanasiyana komanso m'njira zosiyanasiyana linapangitsa kuti posakhalitsa iyambe kutsutsa zinthu zina zakale, makamaka m'mafakitale opaka, ulusi, ndi kupanga jekeseni. Kukula kwake kwakhala kukupitirira kwa zaka zambiri ndipo kukupitilirabe kukhala wosewera wamkulu mumakampani opanga pulasitiki padziko lonse lapansi. Ku Creative Mechanisms, tili ndi... -
Kodi ma granules a PVC ndi chiyani?
PVC ndi imodzi mwa mapulasitiki omwe amagwiritsidwa ntchito kwambiri m'makampani. Plasticol, kampani yaku Italy yomwe ili pafupi ndi Varese yakhala ikupanga ma granules a PVC kwa zaka zoposa 50 tsopano ndipo chidziwitso chomwe chasonkhanitsidwa pazaka zambiri chalola bizinesiyo kupeza luso lozama kwambiri kotero kuti tsopano titha kuigwiritsa ntchito kukwaniritsa zopempha zonse za makasitomala zomwe zikupereka zinthu zatsopano komanso zodalirika. Chowonadi chakuti PVC imagwiritsidwa ntchito kwambiri popanga zinthu zosiyanasiyana chikuwonetsa momwe mawonekedwe ake amkati alili othandiza kwambiri komanso apadera. Tiyeni tiyambe kukambirana za kuuma kwa PVC: zinthuzo zimakhala zolimba kwambiri ngati zili zoyera koma zimakhala zosinthasintha ngati zisakanizidwa ndi zinthu zina. Khalidwe losiyanali limapangitsa PVC kukhala yoyenera kupanga zinthu zomwe zimagwiritsidwa ntchito m'magawo osiyanasiyana, kuyambira nyumba imodzi mpaka ina... -
Zodzoladzola zomwe zimawonongeka zitha kusintha makampani opanga zodzoladzola.
Moyo uli wodzaza ndi ma CD onyezimira, mabotolo okongoletsa, mbale za zipatso ndi zina zambiri, koma zambiri mwa izo zimapangidwa ndi zinthu zoopsa komanso zosakhazikika zomwe zimapangitsa kuti pulasitiki iipitsidwe. Posachedwapa, ofufuza ku Yunivesite ya Cambridge ku UK apeza njira yopangira glitter yokhazikika, yopanda poizoni komanso yowola kuchokera ku cellulose, chinthu chachikulu chomwe chimamanga makoma a maselo a zomera, zipatso ndi ndiwo zamasamba. Mapepala okhudzana nawo adasindikizidwa mu magazini ya Nature Materials pa 11th. Yopangidwa kuchokera ku ma cellulose nanocrystals, glitter iyi imagwiritsa ntchito mtundu wa kapangidwe kake kusintha kuwala kuti ipange mitundu yowala. Mwachitsanzo, m'chilengedwe, kuwala kwa mapiko a gulugufe ndi nthenga za pikoko ndi ntchito zaluso zamtundu wa kapangidwe kake, zomwe sizidzatha patatha zaka zana. Pogwiritsa ntchito njira zodzipangira zokha, cellulose imatha kupanga ... -
Kodi Polyvinyl chloride (PVC) phala la Resin ndi chiyani?
Utoto wa Polyvinyl chloride (PVC) Resin, monga momwe dzinalo likusonyezera, ndi wakuti utomoni uwu umagwiritsidwa ntchito makamaka ngati phala. Anthu nthawi zambiri amagwiritsa ntchito mtundu uwu wa phala ngati plastisol, womwe ndi mtundu wapadera wamadzimadzi wa pulasitiki ya PVC yomwe sinakonzedwe. . Utoto wa phala nthawi zambiri umakonzedwa ndi emulsion ndi njira zazing'ono zoyimitsira. Utoto wa phala wa Polyvinyl chloride uli ndi kukula pang'ono kwa tinthu tating'onoting'ono, ndipo kapangidwe kake kali ngati talc, kosasuntha. Utoto wa phala wa polyvinyl chloride umasakanizidwa ndi Plasticizer kenako n’kusunthidwa kuti upange phala lokhazikika, lomwe kenako limapangidwa kukhala phala la PVC, kapena PVC plastisol, PVC sol, ndipo ndi mumtunduwu momwe anthu amagwiritsidwa ntchito pokonza Zogulitsa zomaliza. Pakupanga phala, zodzaza zosiyanasiyana, zosungunulira, zolimbitsa kutentha, zotulutsa thovu ndi zolimbitsa kuwala zimawonjezedwa malinga ndi ... -
Kodi Mafilimu a PP ndi chiyani?
KATUNDU Polypropylene kapena PP ndi thermoplastic yotsika mtengo komanso yomveka bwino, yonyezimira kwambiri komanso yolimba bwino. Ili ndi malo osungunuka kwambiri kuposa PE, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito zomwe zimafuna kuyeretsa kutentha kwambiri. Ilinso ndi utsi wochepa komanso yonyezimira kwambiri. Nthawi zambiri, mphamvu zotsekera kutentha za PP sizofanana ndi za LDPE. LDPE ilinso ndi mphamvu yabwino yong'ambika komanso kukana kutentha kwambiri. PP imatha kusinthidwa kukhala chitsulo zomwe zimapangitsa kuti pakhale mphamvu zotchingira mpweya kuti zigwiritsidwe ntchito molimbika pomwe nthawi yayitali yosungiramo zinthu ndi yofunika. Mafilimu a PP ndi oyenera ntchito zosiyanasiyana zamafakitale, ogula, komanso zamagalimoto. PP imatha kubwezeretsedwanso kwathunthu ndipo imatha kusinthidwa mosavuta kukhala zinthu zina zambiri pazinthu zosiyanasiyana. Komabe, popanda...