Izindaba Zemboni
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Yiziphi izici zePolyvinyl Chloride (PVC)?
Ezinye zezinto ezibaluleke kakhulu ze-Polyvinyl Chloride (PVC) yilezi: Ukuminyana: I-PVC iminyene kakhulu uma iqhathaniswa namapulasitiki amaningi (amandla adonsela phansi athile azungeze u-1.4) Ezomnotho: I-PVC itholakala kalula futhi ishibhile.Ukuqina: I-PVC eqinile ilinganisa kahle ngobulukhuni nokuqina.Amandla: I-PVC eqinile inamandla amahle kakhulu okuqina.I-Polyvinyl Chloride iyimpahla ye-"thermoplastic" (ngokungafani ne-"thermoset"), ehlobene nendlela ipulasitiki esabela ngayo ekushiseni.Izinto ze-Thermoplastic ziba uketshezi lapho zincibilika (ibanga le-PVC eliphakathi kwezinga eliphansi kakhulu lika-100 degrees Celsius namanani aphezulu afana no-260 degrees Celsius kuye ngezithasiselo).Isibaluli esibalulekile esiwusizo mayelana ne-thermoplastics ukuthi ingashiswa ifike endaweni yokuncibilika, apholiswe, futhi iphinde ishisise futhi... -
Iyini i-caustic soda?
Ohambweni olumaphakathi oluya esitolo esikhulu, abathengi bangase baqoqe okokugeza, bathenge ibhodlela le-aspirin futhi babheke izihloko zakamuva zamaphephandaba nakomagazini.Uma uthi nhlá, kungase kungabonakali sengathi lezi zinto zinokufana okuningi.Kodwa-ke, ngayinye yazo, i-caustic soda idlala indima ebalulekile ohlwini lwezithako noma izinqubo zokukhiqiza.Iyini i-caustic soda?I-Caustic soda yi-chemical compound sodium hydroxide (NaOH).Le nhlanganisela iyi-alkali - uhlobo lwesisekelo olunganciphisa ama-asidi futhi ancibilike emanzini.Namuhla i-caustic soda ingakhiqizwa ngendlela yamapellets, ama-flakes, ama-powders, izixazululo nokunye.Isetshenziselwa ini i-caustic soda?I-Caustic soda isibe isithako esivamile ekukhiqizeni izinto eziningi zansuku zonke.Eyaziwa kakhulu ngokuthi i-lye, isetshenziswe ... -
Kungani i-Polypropylene isetshenziswa kaningi?
I-Polypropylene isetshenziswa kuzo zombili izinhlelo zasendlini nezimboni.Izakhiwo zayo eziyingqayizivele kanye nekhono lokuzivumelanisa namasu okwakha ahlukahlukene kuyenza igqame njengento ebaluleke kakhulu ekusetshenzisweni okubanzi.Esinye isici esibalulekile ikhono le-polypropylene ukusebenza njengokubili okokusebenza kwepulasitiki nanjengefayibha (njengalezo zikhwama zokukhangisa ezinikezwa emicimbini, izinhlanga, njll).Ikhono eliyingqayizivele le-polypropylene lokwenziwa ngezindlela ezihlukene futhi libe izinhlelo zokusebenza ezahlukene lasho ukuthi ngokushesha yaqala ukubekela inselele izinto eziningi ezindala ezihlukile, ikakhulukazi ezimbonini zokupakisha, zefayibha kanye nezimbaxa.Ukukhula kwayo kuye kwaqiniswa phakathi neminyaka edlule futhi isalokhu ibambe iqhaza elikhulu embonini yepulasitiki emhlabeni wonke.KwaCreative Mechanisms, si... -
Ayini ama-PVC granules?
I-PVC ingenye yepulasitiki esetshenziswa kakhulu emkhakheni wemboni.I-Plasticol, inkampani yase-Italy eseduze ne-Varese isikhiqize ama-PVC granules iminyaka engaphezu kwe-50 manje futhi ulwazi oluqoqwe phakathi neminyaka luvumela ibhizinisi ukuthi lithole izinga elijulile lolwazi kangangokuthi manje sesingakwazi ukulisebenzisa ukwanelisa wonke amaklayenti. ' izicelo ezihlinzeka ngemikhiqizo emisha nethembekile.Iqiniso lokuthi i-PVC isetshenziswa kabanzi ukukhiqiza izinto eziningi ezahlukahlukene likhombisa ukuthi izici zayo ezingaphakathi ziwusizo kakhulu futhi zikhethekile.Ake siqale ukukhuluma ngokuqina kwe-PVC: impahla iqinile kakhulu uma ihlanzekile kodwa iyashintshashintsha uma ihlanganiswe nezinye izinto.Lesi sici esihlukile senza i-PVC ilungele ukukhiqizwa kwemikhiqizo esetshenziswa emikhakheni ehlukene, kusukela esakhiweni esisodwa ... -
I-biodegradable glitter ingase iguqule imboni yezimonyo.
Ukuphila kugcwele izinto ezipakishwayo ezicwebezelayo, amabhodlela ezimonyo, izitsha zezithelo nokunye, kodwa eziningi zazo zenziwe ngezinto ezinobuthi nezingalawuleki ezifaka isandla ekungcoleni kwepulasitiki.Muva nje, abacwaningi eNyuvesi yaseCambridge e-UK bathole indlela yokudala i-glitter eqhubekayo, engeyona enobuthi ne-biodegradable kusuka ku-cellulose, isakhiwo esiyinhloko sezindonga zamaseli zezitshalo, izithelo nemifino.Amaphepha ahlobene ashicilelwe kumagazini we-Nature Materials ngomhla ka-11.Yenziwe ngama-nanocrystals e-cellulose, le glitter isebenzisa umbala wesakhiwo ukuze iguqule ukukhanya ukuze ikhiqize imibala egqamile.Ngokwemvelo, isibonelo, ukukhanya kwamaphiko ovemvane nezimpaphe zepikoko kuwubuciko bombala wesakhiwo, ongeke uphele ngemva kwekhulu leminyaka.Ngokusebenzisa amasu okuzihlanganisa, i-cellulose ingakhiqiza ... -
Iyini i-Polyvinyl chloride (PVC) yokunamathisela i-Resin?
I-Polyvinyl chloride (PVC) inamathisela i-Resin , njengoba negama lisho, ukuthi le resin isetshenziswa kakhulu ekunamathiseleni.Abantu bavame ukusebenzisa lolu hlobo lokunamathisela njenge-plastisol, okuwuketshezi oluyingqayizivele lwe-PVC yepulasitiki esimweni sayo esingacutshungulwanga..Ama-resin okunamathisela avame ukulungiswa nge-emulsion kanye nezindlela zokumisa ezincane.I-Polyvinyl chloride paste resin inosayizi wezinhlayiyana ezinhle, futhi ukuthungwa kwayo kufana ne-talc, nokunganyakazi.I-polyvinyl chloride paste resin ixutshwa ne-Plasticizer bese inyakaziswa ukuze yakhe ukumiswa okuzinzile, okube sekwenziwa unamathisele we-PVC, noma i-PVC plastisol, i-PVC sol, futhi kungaleli fomu lapho abantu basetshenziselwa ukucubungula Imikhiqizo yokugcina.Enqubweni yokwenza unamathisele, ama-fillers ahlukahlukene, ama-diluents, ama-heat stabilizers, ama-foaming agents kanye neziqinisi zokukhanya zengezwa ngokusho ... -
Yini i-PP Films?
I-PROPERTIES I-Polypropylene noma i-PP iyi-thermoplastic ebiza kancane yokucaca okuphezulu, i-gloss ephezulu namandla amahle okuqina.Inephuzu lokuncibilika eliphakeme kune-PE, okwenza ifanelekele izinhlelo zokusebenza ezidinga ukuvalwa kwembewu emazingeni okushisa aphezulu.Iphinde ibe nenkungu encane kanye nokucwebezela okuphezulu.Ngokuvamile, izici zokuvala ukushisa kwe-PP azilungile njengalezo ze-LDPE.I-LDPE futhi inamandla angcono okudabula kanye nokumelana nomthelela ophansi wokushisa.I-PP ingenziwa nge-metallized okuholela ekuthuthukisweni kwezakhiwo zokuvimbela igesi ezisetshenziswayo ezifunayo lapho impilo yeshalofu yomkhiqizo ende ibalulekile.Amafilimu e-PP afaneleka kahle uhla olubanzi lwezinhlelo zokusebenza zezimboni, abathengi, nezimoto.I-PP igaywa kabusha ngokuphelele futhi ingacutshungulwa kalula kweminye imikhiqizo eminingi yezinhlelo zokusebenza eziningi ezahlukahlukene.Nokho, unl... -
yini i-PVC compound?
Izinhlanganisela ze-PVC zisekelwe ekuhlanganiseni kwe-PVC polymer RESIN kanye nezithasiselo ezinikeza ukwakheka okudingekayo ukuze kusetshenziswe ekugcineni (Amapayipi noma Amaphrofayili Aqinile noma Amaphrofayili Aguquguqukayo noma AmaSpredishithi).I-compound yakhiwa ngokuxubana ngokuseduze ndawonye izithako, ezibuye ziguqulelwe ku-athikili ethi "gelled" ngaphansi kwethonya lokushisa namandla okugunda.Kuye ngohlobo lwe-PVC nezithasiselo, i-compound ngaphambi kwe-gelation ingaba i-powder egelezayo (eyaziwa ngokuthi ingxube eyomile) noma i-liquid ngendlela yokunamathisela noma isisombululo.Izinhlanganisela ze-PVC uma zakhiwe, kusetshenziswa ama-plasticizers, zibe izinto eziguquguqukayo, ngokuvamile ezibizwa nge-PVC-P.Ama-PVC Compounds uma enziwa ngaphandle kwe-plasticizer yezinhlelo zokusebenza eziqinile aqokwa i-PVC-U.I-PVC Compounding ingafingqwa kanje: I-PVC eqinile dr... -
Umehluko Phakathi kwe-BOPP, OPP kanye ne-PP Bags.
Imboni yokudla isebenzisa kakhulu ukupakishwa kwepulasitiki ye-BOPP.Izikhwama ze-BOPP kulula ukuziphrinta, ukugqokwa kanye ne-laminate okuzenza zifanelekele ukupakisha imikhiqizo efana nemikhiqizo emisha, ama-confectionary kanye nokudla okulula.Kanye nezikhwama ze-BOPP, OPP, ne-PP nazo zisetshenziselwa ukupakisha.I-Polypropylene iyi-polymer evamile phakathi kwezintathu ezisetshenziselwa ukukhiqiza izikhwama.I-OPP imele i-Oriented Polypropylene, i-BOPP imele i-Biaxially Oriented Polypropylene kanti i-PP imele i-Polypropylene.Bobathathu bayehluka ngesitayela sabo sokwakha.I-polypropylene eyaziwa nangokuthi i-polypropene iyi-polymer ye-thermoplastic semi-crystalline.Iqinile, inamandla futhi inokumelana nomthelela omkhulu.Izikhwama ze-standup, izikhwama ze-spout kanye nezikhwama ze-ziplock zenziwe nge-polypropylene.Kunzima kakhulu ukuhlukanisa phakathi kwe-OPP, BOPP kanye ne-PP plas... -
Ucwaningo Lokusebenza Lokugxilisa Ukukhanya (PLA) ku-LED Lighting System.
Ososayensi abavela eJalimane nase-Netherlands bacwaninga ngezinto ezintsha ze-PLA ezihambisana nemvelo.Inhloso ukuthuthukisa izinto ezisimeme zezinhlelo zokusebenza ze-optical ezifana nezibani zangaphambili zezimoto, amalensi, amapulasitiki akhanyayo noma iziqondiso ezikhanyayo.Okwamanje, le mikhiqizo ngokuvamile yenziwe nge-polycarbonate noma i-PMMA.Ososayensi bafuna ukuthola ipulasitiki esekwe ku-bio yokwenza izibani zemoto.Kuvela ukuthi i-polylactic acid iyinto efanelekile yekhandidethi.Ngale ndlela, ososayensi baye baxazulula izinkinga eziningana ezibhekene namapulasitiki endabuko: okokuqala, ukunaka izinsiza ezivuselelekayo kunganciphisa ngokuphumelelayo ingcindezi ebangelwa uwoyela ongahluziwe embonini yepulasitiki;okwesibili, kunganciphisa ukukhishwa kwesikhutha;okwesithathu, lokhu Kubandakanya ukucutshungulwa kwayo yonke impilo yezinto ezibonakalayo c... -
I-Luoyang amathani ayizigidi zephrojekthi ye-ethylene yenza inqubekelaphambili entsha!
Ngo-Okthoba 19, intatheli yathola kuLuoyang Petrochemical ukuthi iSinopec Group Corporation ibambe umhlangano eBeijing muva nje, imema ochwepheshe abavela kumayunithi angaphezu kwe-10 okuhlanganisa i-China Chemical Society, i-China Synthetic Rubber Industry Association, kanye nabameleli abafanelekile ukuthi bakhe iqembu lochwepheshe bokuhlola ukuze lihlole. izigidi zeLuoyang Petrochemical.Umbiko wocwaningo olunokwenzeka wephrojekthi ye-ethylene eyi-1-ton uzohlolwa futhi uboniswe.Emhlanganweni, iqembu lochwepheshe bokuhlola lilalele imibiko efanele yeLuoyang Petrochemical, Sinopec Engineering Construction Company kanye neLuoyang Engineering Company ngalo msebenzi, futhi lagxila ekuhloleni okuphelele kwesidingo sokwakhiwa kwephrojekthi, izinto zokusetshenziswa, izinhlelo zemikhiqizo, izimakethe, futhi qhubeka... -
Isimo sohlelo lokusebenza kanye nokuthambekela kwe-polylactic acid (PLA) ezimotweni.
Njengamanje, insimu eyinhloko yokusetshenziswa kwe-polylactic acid yizinto zokupakisha, ezibalwa ngaphezu kwe-65% yokusetshenziswa okuphelele;kulandelwa izinhlelo zokusebenza ezifana nezitsha zokudla, amafayibha/izindwangu ezingalukiwe, nezinto zokuphrinta ze-3D.IYurophu neNyakatho Melika yizimakethe ezinkulu ze-PLA, kanti i-Asia Pacific izoba enye yezimakethe ezikhula ngokushesha emhlabeni njengoba isidingo se-PLA siqhubeka sikhula emazweni afana neChina, Japan, South Korea, India kanye neThailand.Ngokombono wemodi yesicelo, ngenxa yezakhiwo zayo ezinhle zemishini nezomzimba, i-polylactic acid ifaneleka ukubunjwa kwe-extrusion, ukubunjwa komjovo, ukubunjwa kwe-extrusion blow, ukuphotha, ukugwebu kanye nezinye izinqubo ezinkulu zokucubungula ipulasitiki, futhi ingenziwa ibe amafilimu namashidi., i-fiber, ucingo, impushana kanye ne-o...
