Izindaba Zemboni
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Yiziphi Izici Ze-Polyvinyl Chloride (PVC)?
Ezinye zezimpawu ezibaluleke kakhulu zePolyvinyl Chloride (PVC) yilezi: Ubuningi: I-PVC iminyene kakhulu uma iqhathaniswa neningi lamapulasitiki (amandla adonsela phansi azungeze u-1.4) Ezomnotho: I-PVC itholakala kalula futhi ishibhile. Ukuqina: I-PVC eqinile ifaneleka kahle ngokuqina nokuqina. Amandla: I-PVC eqinile inamandla amahle kakhulu okudonseka. I-Polyvinyl Chloride iyinto "ye-thermoplastic" (ngokungafani ne-"thermoset"), ehlobene nendlela ipulasitiki esabela ngayo ekushiseni. Izinto ze-Thermoplastic ziba uketshezi endaweni yazo yokuncibilika (ububanzi be-PVC phakathi kwama-degree Celsius aphansi kakhulu ayi-100 namanani aphezulu afana nama-degree Celsius angama-260). Isici esiwusizo esiyinhloko ngama-thermoplastic ukuthi angashiswa afike endaweni yawo yokuncibilika, apholiswe, futhi aphinde ashiswe futhi nge... -
Kuyini i-caustic soda?
Ohambweni olujwayelekile oluya esitolo esikhulu, abathengi bangase bathenge insipho, bathenge ibhodlela le-aspirin bese bebheka izihloko zakamuva emaphephandabeni nakomagazini. Uma uqala ukubona, kungase kubonakale sengathi lezi zinto azifani kakhulu. Kodwa-ke, ngayinye yazo, i-caustic soda idlala indima ebalulekile ohlwini lwezithako noma ezinqubweni zokukhiqiza. Iyini i-caustic soda? I-caustic soda iyinhlanganisela yamakhemikhali i-sodium hydroxide (NaOH). Le nhlanganisela iyi-alkali - uhlobo lwesisekelo esingaqeda ama-asidi futhi sincibilike emanzini. Namuhla i-caustic soda ingenziwa ngesimo sama-pellets, ama-flakes, ama-powder, izixazululo nokuningi. Isetshenziselwani i-caustic soda? I-caustic soda isibe isithako esivamile ekukhiqizweni kwezinto eziningi zansuku zonke. Ngokuvamile eyaziwa ngokuthi i-lye, isetshenziswe... -
Kungani i-Polypropylene isetshenziswa kaningi kangaka?
I-Polypropylene isetshenziswa kokubili ezisetshenziswa zasekhaya nasezimbonini. Izakhiwo zayo eziyingqayizivele kanye nekhono lokuzivumelanisa namasu ahlukahlukene okwenza izinto kuyenza ivelele njengezinto ezibalulekile zokusetshenziswa okubanzi. Esinye isici esibalulekile yikhono le-polypropylene lokusebenza njengezinto zepulasitiki kanye nefayibha (njengalezo zikhwama zokukhangisa ezinikezwa emicimbini, emijahweni, njll.). Ikhono eliyingqayizivele le-Polypropylene lokukhiqizwa ngezindlela ezahlukene kanye nezinhlelo zokusebenza ezahlukene lasho ukuthi ngokushesha yaqala ukuphonsela inselelo eziningi zezinto ezindala ezihlukile, ikakhulukazi embonini yokupakisha, ifayibha, kanye neyokubumba nge-injection. Ukukhula kwayo kuye kwaqhubeka iminyaka eminingi futhi isalokhu ingumdlali omkhulu embonini yepulasitiki emhlabeni jikelele. Kwa-Creative Mechanisms,... -
Ziyini izinhlayiya ze-PVC?
I-PVC ingenye yamapulasitiki asetshenziswa kakhulu embonini. I-Plasticol, inkampani yase-Italy eseduze neVarese ibilokhu ikhiqiza ama-granule e-PVC iminyaka engaphezu kwengu-50 manje futhi ulwazi oluqoqwe eminyakeni edlule luvumele ibhizinisi ukuthi lithole izinga elijulile lolwazi kangangokuthi manje singalisebenzisa ukwanelisa zonke izicelo zamakhasimende ezinikeza imikhiqizo emisha nethembekile. Iqiniso lokuthi i-PVC isetshenziswa kabanzi ekukhiqizeni izinto eziningi ezahlukene libonisa ukuthi izici zayo zangaphakathi ziwusizo kakhulu futhi zikhethekile. Ake siqale ukukhuluma ngokuqina kwe-PVC: impahla iqinile kakhulu uma ihlanzekile kodwa iba nezimo uma ixutshwe nezinye izinto. Lesi sici esihlukile senza i-PVC ifaneleke ekukhiqizeni imikhiqizo esetshenziswa emikhakheni ehlukene, kusukela esakhiweni esisodwa... -
I-glitter ebolayo ingaguqula imboni yezimonyo.
Ukuphila kugcwele ukupakishwa okukhazimulayo, amabhodlela ezimonyo, izitsha zezithelo nokunye okuningi, kodwa eziningi zazo zenziwe ngezinto ezinobuthi nezingenakusimama ezifaka isandla ekungcoleni kwepulasitiki. Muva nje, abacwaningi eNyuvesi yaseCambridge e-UK bathole indlela yokudala i-glitter eqhubekayo, engenabuthi futhi ebolayo evela ku-cellulose, isakhiwo esiyinhloko sezindonga zamaseli zezitshalo, izithelo nemifino. Amaphepha ahlobene ashicilelwe ephephabhukwini i-Nature Materials ngomhlaka-11. Yenziwe ngama-nanocrystals e-cellulose, le glitter isebenzisa umbala wesakhiwo ukushintsha ukukhanya ukuze ikhiqize imibala egqamile. Emvelweni, isibonelo, ukukhanya kwamaphiko e-butterfly kanye nezimpaphe ze-peacock kuyizinto ezinhle kakhulu zombala wesakhiwo, ongeke uphele ngemva kwekhulu leminyaka. Ngokusebenzisa amasu okuzihlanganisa, i-cellulose ingakhiqiza ... -
Iyini i-Polyvinyl chloride (PVC) paste Resin?
I-Polyvinyl chloride (PVC) paste Resin, njengoba igama lisho, ukuthi le resin isetshenziswa kakhulu ngesimo se-paste. Abantu bavame ukusebenzisa lolu hlobo lwe-paste njenge-plastisol, okuyisimo esiyingqayizivele se-PVC plastic esimweni sayo esingacutshungulwanga. Ama-resin e-paste avame ukulungiswa ngezindlela ze-emulsion kanye ne-micro-suspension. I-Polyvinyl chloride paste resin inosayizi omncane wezinhlayiya, futhi ukuthungwa kwayo kufana ne-talc, futhi ayishukumi. I-polyvinyl chloride paste resin ixutshwa ne-Plasticizer bese ivuselelwa ukuze kwakhiwe i-suspension eqinile, ebese yenziwa i-PVC paste, noma i-PVC plastisol, i-PVC sol, futhi yilolu hlobo lapho abantu besetshenziswa khona ukucubungula imikhiqizo yokugcina. Enkambisweni yokwenza i-paste, ama-filler ahlukahlukene, ama-diluent, ama-heat stabilizer, ama-foaming agent kanye nama-light stabilizer ayangezwa ngokuya nge ... -
Iyini i-PP Films?
IZAKHIWO I-Polypropylene noma i-PP iyi-thermoplastic eshibhile ecacile kakhulu, icwebezela kakhulu futhi inamandla amahle okubamba. Inephuzu lokuncibilika eliphakeme kune-PE, okwenza ifaneleke ezinhlelweni ezidinga ukuhlanza emazingeni okushisa aphezulu. Iphinde ibe nomswakama omncane kanye nokukhanya okuphezulu. Ngokuvamile, izakhiwo zokuvala ukushisa ze-PP azilungile njengeze-LDPE. I-LDPE inamandla okudabuka angcono kanye nokumelana nokushisa okuphansi. I-PP ingashintshwa ngensimbi okuholela ezimpahleni ezithuthukisiwe zokuvimba igesi zezinhlelo zokusebenza ezidinga kakhulu lapho isikhathi eside somkhiqizo sibalulekile. Amafilimu e-PP afaneleka kahle ezinhlobonhlobo zezinhlelo zokusebenza zezimboni, zabathengi, nezezimoto. I-PP ingaphinde isetshenziswe ngokugcwele futhi ingacutshungulwa kalula ibe eminye imikhiqizo eminingi yezinhlelo zokusebenza eziningi ezahlukene. Kodwa-ke, ngaphandle... -
Iyini i-PVC compound?
Ama-compound e-PVC asekelwe ekuhlanganisweni kwe-PVC polymer RESIN kanye nezithasiselo ezinikeza ukwakheka okudingekayo ekusetshenzisweni kokugcina (Amapayipi noma Amaphrofayili Aqinile noma Amaphrofayili Aguquguqukayo noma Amashidi). I-compound yakhiwa ngokuhlanganisa izithako ngokuseduze, okuthi kamuva iguqulwe ibe yinto "ehlanganisiwe" ngaphansi kwethonya lokushisa namandla okusika. Kuye ngohlobo lwe-PVC kanye nezithasiselo, i-compound ngaphambi kokufakwa kwe-gel ingaba yimpuphu egeleza ngokukhululeka (eyaziwa ngokuthi ingxube eyomile) noma uketshezi ngesimo se-paste noma isixazululo. Ama-compound e-PVC lapho ehlanganiswa, kusetshenziswa ama-plasticizer, abe izinto eziguquguqukayo, ngokuvamile ezibizwa ngokuthi i-PVC-P. Ama-compound e-PVC lapho ehlanganiswa ngaphandle kwe-plasticizer yezicelo eziqinile abizwa ngokuthi i-PVC-U. I-PVC Compounding ingafingqwa kanje: I-PVC dr... -
Umehluko Phakathi Kwezikhwama ze-BOPP, OPP kanye ne-PP.
Imboni yokudla isebenzisa kakhulu ukupakishwa kwepulasitiki ye-BOPP. Izikhwama ze-BOPP kulula ukuziphrinta, ukuzimboza kanye nokuzifaka i-laminate okwenza zifaneleke emikhiqizweni yokupakisha njengemikhiqizo emisha, amaswidi kanye nokudla okulula. Kanye nezikhwama ze-BOPP, i-OPP, kanye ne-PP nazo zisetshenziselwa ukupakishwa. I-Polypropylene iyi-polymer evamile phakathi kwezintathu ezisetshenziselwa ukukhiqiza izikhwama. I-OPP imele i-Oriented Polypropylene, i-BOPP imele i-Biaxially Oriented Polypropylene kanye ne-PP imele i-Polypropylene. Zontathu zihlukile ngesitayela sazo sokwenziwa. I-Polypropylene eyaziwa nangokuthi i-polypropene iyi-polymer ye-thermoplastic semi-crystalline. Iqinile, inamandla futhi inokumelana okukhulu komthelela. Izikhwama ezimile, izikhwama ze-spout kanye nezikhwama ze-ziplock zenziwe nge-polypropylene. Kunzima kakhulu ukuhlukanisa phakathi kwe-OPP, i-BOPP kanye ne-PP plas... -
Ucwaningo Lokusetshenziswa Kokukhanya Okugxilile (i-PLA) kuhlelo Lokukhanyisa lwe-LED.
Ososayensi baseJalimane naseNetherlands bacwaninga ngezinto ezintsha ze-PLA ezinobungani nemvelo. Inhloso ukuthuthukisa izinto ezihlala isikhathi eside zezinhlelo zokusebenza ezibonakalayo njengezibani zezimoto, amalensi, amapulasitiki akhanyayo noma iziqondiso zokukhanya. Okwamanje, le mikhiqizo ngokuvamile yenziwe nge-polycarbonate noma i-PMMA. Ososayensi bafuna ukuthola ipulasitiki esekelwe ku-bio yokwenza izibani zezimoto. Kuvela ukuthi i-polylactic acid iyinto efanelekile. Ngale ndlela, ososayensi baxazulule izinkinga eziningana ezibhekene namapulasitiki endabuko: okokuqala, ukunaka kwabo ezinsizeni ezivuselelekayo kunganciphisa ngempumelelo ingcindezi ebangelwa uwoyela ongahluziwe embonini yamapulasitiki; okwesibili, kunganciphisa ukukhishwa kwe-carbon dioxide; okwesithathu, lokhu Kuhilela ukucabangela impilo yonke yezinto... -
Iphrojekthi ye-ethylene yamathani ayizigidi zaseLuoyang yenze intuthuko entsha!
Ngomhlaka-19 Okthoba, intatheli yezwa kuLuoyang Petrochemical ukuthi iSinopec Group Corporation ibinomhlangano eBeijing muva nje, imema ochwepheshe abavela kumayunithi angaphezu kwe-10 okuhlanganisa i-China Chemical Society, i-China Synthetic Rubber Industry Association, kanye nabamele abafanele ukuthi bakhe iqembu lochwepheshe bokuhlola ukuze bahlole izigidi ze-Luoyang Petrochemical. Umbiko wocwaningo lokusebenziseka kwephrojekthi ye-ethylene engamathani angu-1 uzohlolwa futhi uboniswe ngokuphelele. Emhlanganweni, iqembu lochwepheshe bokuhlola lilalele imibiko efanele ye-Luoyang Petrochemical, i-Sinopec Engineering Construction Company kanye ne-Luoyang Engineering Company ngalo msebenzi, futhi lagxila ekuhlolweni okuphelele kwesidingo sokwakhiwa kwephrojekthi, izinto zokusetshenziswa, izinhlelo zomkhiqizo, izimakethe, kanye nenqubo... -
Isimo sokusebenza kanye nomkhuba we-polylactic acid (PLA) ezimotweni.
Njengamanje, insimu eyinhloko yokusetshenziswa kwe-polylactic acid yizinto zokupakisha, ezibiza ngaphezu kwama-65% okusetshenziswa okuphelele; kulandelwe izinhlelo zokusebenza ezifana nezitsha zokupheka, imicu/izindwangu ezingalukiwe, kanye nezinto zokunyathelisa ze-3D. IYurophu neNyakatho Melika yizimakethe ezinkulu ze-PLA, kanti i-Asia Pacific izoba enye yezimakethe ezikhula ngokushesha emhlabeni njengoba isidingo se-PLA siqhubeka nokukhula emazweni afana neShayina, iJapan, iNingizimu Korea, iNdiya kanye neThailand. Ngokombono wemodi yokusetshenziswa, ngenxa yezakhiwo zayo ezinhle zemishini nezomzimba, i-polylactic acid ifanelekela ukubumba i-extrusion, ukubumba umjovo, ukubumba i-extrusion blow, ukuphotha, ukwenza i-foam kanye nezinye izinqubo ezinkulu zokucubungula ipulasitiki, futhi ingenziwa ibe amafilimu namashidi. , i-fiber, ucingo, i-powder kanye...