Nkhani
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Kodi Mitundu Yosiyanasiyana ya Polyethylene Ndi Chiyani?
Polyethylene nthawi zambiri imagawika m'gulu limodzi mwazinthu zazikulu zingapo, zomwe zimaphatikiza LDPE, LLDPE, HDPE, ndi Ultrahigh Molecular Weight Polypropylene. Mitundu ina ndi monga Medium Density Polyethylene (MDPE), Ultra-low-molecular-weight polyethylene (ULMWPE kapena PE-WAX), High-molecular-weight polyethylene (HMWPE), High-density cross-linked polyethylene (HDXLPE), Cross-linked polyethylene (PEX kapena XLPE), Polyethylene yotsika kwambiri (VLDPE), ndi chlorinated polyethylene (CPE). Low-Density Polyethylene (LDPE) ndi chinthu chosinthika kwambiri chokhala ndi mawonekedwe apadera otaya omwe amachititsa kuti ikhale yoyenera kwambiri pamatumba ogula ndi mapulogalamu ena apulasitiki apulasitiki. LDPE ili ndi ductility kwambiri koma mphamvu yotsika, yomwe ikuwonekera mdziko lenileni ndi chizolowezi chake chotambasula ... -
Kuchuluka kwa titaniyamu woipa wa chaka chino kuthyola matani 6 miliyoni!
Kuyambira pa Marichi 30 mpaka pa Epulo 1, Msonkhano Wapachaka wa Makampani a Titanium Dioxide wa 2022 unachitika ku Chongqing. Zinaphunziridwa kuchokera ku msonkhano kuti mphamvu zotulutsa ndi kupanga titaniyamu woipa zidzapitirira kukula mu 2022, ndipo kuchuluka kwa mphamvu zopanga kudzawonjezeka; panthawi imodzimodziyo, kukula kwa opanga omwe alipo kudzawonjezereka ndipo ntchito zowonjezera ndalama kunja kwa mafakitale zidzawonjezeka, zomwe zidzachititsa kuti titaniyamu ikhale yochepa. Komanso, ndi kuwuka kwa mphamvu zatsopano batire zakuthupi makampani, kumanga kapena kukonzekera ambiri chitsulo mankwala kapena lithiamu chitsulo mankwala ntchito zingachititse kuti kukwera kwa titaniyamu woipa kupanga mphamvu ndi kukulitsa kutsutsana pakati pa katundu ndi kufunika kwa titani. ... -
Kodi Kanema Wowonjezera Wa Biaxially Oriented Polypropylene Overwrap Ndi Chiyani?
Filimu ya Biaxially oriented polypropylene (BOPP) ndi mtundu wa filimu yosinthika yosinthika. Biaxially oriented polypropylene overwrap film imatambasulidwa mumakina ndi njira zopingasa. Izi zimabweretsa mayendedwe a ma molekyulu mbali zonse ziwiri. Mtundu uwu wa filimu yosinthika yosinthika umapangidwa kudzera munjira yopanga ma tubular. Kuwira kwa filimu yooneka ngati chubu kumatenthedwa ndikutenthedwa mpaka kufewetsa kwake (izi ndi zosiyana ndi malo osungunuka) ndipo amatambasulidwa ndi makina. Firimuyi imakhala pakati pa 300% - 400%. Kapenanso, filimuyo imatha kutambasulidwa ndi njira yotchedwa tent-frame film production. Ndi njira iyi, ma polima amatulutsidwa pamiyala yoziziritsa (yomwe imadziwikanso kuti sheet sheet) ndikukokedwa motsatira makinawo. Mafilimu a Tenter-frame amapanga ife... -
Kuchuluka kwa zotumiza kunja kudakwera kwambiri kuyambira Januware mpaka February 2023.
Malinga ndi ziwerengero za kasitomu: kuyambira Januware mpaka February 2023, voliyumu yotumiza kunja kwa PE ndi matani 112,400, kuphatikiza matani 36,400 a HDPE, matani 56,900 a LDPE, ndi matani 19,100 a LLDPE. Kuyambira Januware mpaka February, kuchuluka kwa katundu wakunja kwa PE kudakwera ndi matani 59,500 poyerekeza ndi nthawi yomweyi mu 2022, chiwonjezeko cha 112.48%. Kuchokera pa tchati pamwambapa, titha kuwona kuti kuchuluka kwa katundu wotumizidwa kuchokera ku Januwale mpaka February kwakula kwambiri poyerekeza ndi nthawi yomweyi mu 2022. Malinga ndi miyezi, kuchuluka kwa zotumiza kunja mu January 2023 kunawonjezeka ndi matani 16,600 poyerekeza ndi nthawi yomweyi chaka chatha, ndipo kuchuluka kwa katundu wotumizidwa kunja mu February kunakwera ndi matani 40,900 poyerekeza ndi nthawi yomweyi chaka chatha; kutengera mitundu, kuchuluka kwa LDPE (Januware-February) kunali matani 36,400, ... -
Ntchito zazikulu za PVC.
1. Mbiri PVC PVC Mbiri ndi mbiri ndi madera lalikulu la PVC mowa ku China, mlandu pafupifupi 25% ya okwana kudya PVC. Amagwiritsidwa ntchito makamaka popanga zitseko ndi mazenera ndi zida zopulumutsira mphamvu, ndipo kuchuluka kwa ntchito yawo kukukulirakulirabe m'dziko lonselo. M'mayiko otukuka, gawo la msika la zitseko za pulasitiki ndi mawindo limakhalanso loyamba, monga 50% ku Germany, 56% ku France, ndi 45% ku United States. 2. Chitoliro cha PVC Pakati pa zinthu zambiri za PVC, mapaipi a PVC ndi gawo lachiwiri lalikulu la mowa, zomwe zimawerengera pafupifupi 20% ya mowa wake. Ku China, mapaipi a PVC amapangidwa kale kuposa mapaipi a PE ndi mapaipi a PP, okhala ndi mitundu yambiri, magwiridwe antchito abwino komanso osiyanasiyana ogwiritsira ntchito, omwe amakhala ndi malo ofunikira pamsika. 3. Kanema wa PVC ... -
Mitundu ya polypropylene .
Mamolekyu a polypropylene ali ndi magulu a methyl, omwe amatha kugawidwa kukhala isotactic polypropylene, atactic polypropylene ndi syndiotactic polypropylene malinga ndi dongosolo la magulu a methyl. Pamene magulu a methyl akonzedwa kumbali imodzi ya unyolo waukulu, amatchedwa isotactic polypropylene; ngati magulu a methyl amagawidwa mwachisawawa mbali zonse za unyolo waukulu, amatchedwa atactic polypropylene; pamene magulu a methyl asinthidwa mosinthana mbali zonse za unyolo waukulu, amatchedwa syndiotactic. polypropylene. Pakupanga utomoni wa polypropylene, zomwe zili mu isotactic (zotchedwa isotacticity) zimakhala pafupifupi 95%, ndipo zina zonse ndi atactic kapena syndiotactic polypropylene. Utomoni wa polypropylene womwe umapangidwa pano ku China umagawidwa molingana ndi ... -
Kugwiritsa ntchito phala pvc resin.
Akuti mu 2000, kuchuluka kwa msika wapadziko lonse wa PVC paste resin kunali pafupifupi 1.66 miliyoni t/a. Ku China, PVC phala utomoni makamaka ali ndi ntchito zotsatirazi: Zochita kupanga zikopa: zonse msika ndi zofunika bwino. Komabe, zokhudzidwa ndi chitukuko cha chikopa cha PU, kufunikira kwa zikopa zopangira ku Wenzhou ndi malo ena akuluakulu ogwiritsira ntchito utomoni kumatsatiridwa ndi zoletsa zina. Mpikisano pakati pa chikopa cha PU ndi chikopa chopanga ndi wowopsa. Makampani achikopa apansi: Pokhudzidwa ndi kuchepa kwa chikopa cha pansi, kufunikira kwa utomoni wa phala mumsikawu kwakhala kukutsika chaka ndi chaka m'zaka zaposachedwa. Makampani opanga ma gulovu: zomwe zimafunikira ndizokulirapo, makamaka zotumizidwa kunja, zomwe ndi za kukonza kwa omwe amaperekedwa ... -
Chomera cha polyethylene cholemera matani 800,000 chinayambika bwino mu chakudya chimodzi!
Guangdong Petrochemical's 800,000-tani/chaka chodzaza polyethylene chomera ndi chomera choyamba cha polyethylene cha PetroChina chokhala ndi "mutu umodzi ndi michira iwiri" mizere iwiri, komanso ndi chomera chachiwiri chodzaza ndi polyethylene chokhala ndi mphamvu zambiri zopanga. China. Chipangizocho chimatengera njira ya UNIPOL komanso njira imodzi yokhayokha ya gasi-gawo yamadzimadzi. Imagwiritsa ntchito ethylene ngati chida chachikulu ndipo imatha kupanga mitundu 15 ya LLDPE ndi zida za HDPE polyethylene. Pakati pawo, tinthu tating'ono ting'onoting'ono ta polyethylene resin timapangidwa ndi ufa wa polyethylene wothira mitundu yosiyanasiyana ya zowonjezera, kutenthedwa pa kutentha kwakukulu kufika pamtunda wosungunuka, ndipo pansi pa ntchito ya mapasa-screw extruder ndi mpope wosungunuka wa zida. kudutsa template ndi ar... -
Chemdo akukonzekera kutenga nawo mbali pazowonetsa chaka chino.
Chemdo akukonzekera kutenga nawo mbali paziwonetsero zapakhomo ndi zakunja chaka chino. Pa February 16, oyang'anira malonda awiri adaitanidwa kukachita nawo maphunziro omwe adakonzedwa ndi Made in China. Mutu wamaphunzirowa ndi njira yatsopano yophatikizira kukwezedwa kwapaintaneti komanso kukwezera mabizinesi akunja pa intaneti. Zomwe zili mu maphunzirowa zimaphatikizapo ntchito yokonzekera chisanachitike, mfundo zazikulu zokambilana panthawi yachiwonetsero komanso kutsata makasitomala pambuyo pa chiwonetsero. Tikukhulupirira kuti oyang'anira awiriwa apindula kwambiri ndikulimbikitsa kuyenda bwino kwa ntchito yowonetsera. -
Chidziwitso cha Zhongtai PVC Resin.
Tsopano ndiroleni ndikuuzeni zambiri za mtundu waukulu wa PVC waku China: Zhongtai. Dzina lake lonse ndi: Xinjiang Zhongtai Chemical Co., Ltd, yomwe ili m'chigawo cha Xinjiang chakumadzulo kwa China. Ndi mtunda wa maola 4 pa ndege kuchokera ku Shanghai.Xinjiang ndi chigawo chachikulu kwambiri ku China malinga ndi dera. Derali lili ndi zinthu zambiri zachilengedwe monga Mchere, Malasha, Mafuta, ndi Gasi. Zhongtai Chemical idakhazikitsidwa mu 2001, ndipo idapita kumsika ku 2006. Tsopano ili ndi antchito pafupifupi 22,000 okhala ndi makampani ochepera 43. Ndi zaka zoposa 20 'high liwiro chitukuko, Mlengi chimphona wapanga zotsatirazi mankhwala mndandanda: 2 miliyoni matani mphamvu pvc utomoni, 1.5 miliyoni matani caustic koloko,700,000 matani viscose, 2.8 miliyoni matani calcium carbide. Ngati mukufuna kulankhula ... -
Momwe mungapewere kunyengedwa pogula zinthu zaku China makamaka za PVC.
Tiyenera kuvomereza kuti bizinesi yapadziko lonse lapansi ili ndi zoopsa zambiri, zodzaza ndi zovuta zambiri pamene wogula akusankha wogulitsa. Timavomerezanso kuti milandu yachinyengo imachitika kulikonse kuphatikiza ku China. Ndakhala wogulitsa padziko lonse lapansi kwa zaka pafupifupi 13, ndikukumana ndi madandaulo ambiri kuchokera kwa makasitomala osiyanasiyana omwe adaberedwa nthawi imodzi kapena kangapo ndi ogulitsa aku China, njira zachinyengo zimakhala "zoseketsa", monga kupeza ndalama popanda kutumiza, kapena kupereka zinthu zochepa. mankhwala kapena kupereka mankhwala osiyana kwambiri. Monga wogulitsa ndekha, ndimamvetsetsa bwino momwe kumverera kumakhalira ngati wina wataya ndalama zambiri makamaka bizinesi yake ikangoyamba kapena ali wazamalonda wobiriwira, wotayikayo ayenera kukhala wodabwitsa kwa iye, ndipo tiyenera kuvomereza kuti tilandire. . -
Kugwiritsiridwa ntchito kwa caustic soda kumaphatikizapo minda yambiri.
Soda wa caustic amatha kugawidwa mu flake soda, granular soda ndi soda molingana ndi mawonekedwe ake. Kugwiritsa ntchito koloko kumakhudza magawo ambiri, zotsatirazi ndizofotokozera mwatsatanetsatane kwa inu: 1. Mafuta oyeretsedwa. Mukatsukidwa ndi sulfuric acid, mafuta a petroleum amakhalabe ndi zinthu zina za acidic, zomwe ziyenera kutsukidwa ndi sodium hydroxide solution ndikutsukidwa ndi madzi kuti mupeze mankhwala oyengeka. 2.kusindikiza ndi kuyika Zogwiritsidwa ntchito makamaka mu utoto wa indigo ndi utoto wa quinone. Pakupaka utoto wa utoto wa vat, yankho la caustic soda ndi sodium hydrosulfite ziyenera kugwiritsidwa ntchito kuti zichepetse kukhala leuco acid, kenako ndi okosijeni kupita ku chikhalidwe choyambirira chosasungunuka ndi okosijeni pambuyo popaka utoto. Nsalu ya thonje ikatha kuthandizidwa ndi yankho la caustic soda, sera, mafuta, wowuma ndi zinthu zina ...