Xov xwm kev lag luam
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Cov yam ntxwv ntawm Polyvinyl Chloride (PVC) yog dab tsi?
Qee qhov tseem ceeb tshaj plaws ntawm Polyvinyl Chloride (PVC) yog: Qhov ntom ntom: PVC yog ntom heev piv rau feem ntau cov yas (qhov tshwj xeeb lub ntiajteb txawj nqus ib puag ncig 1.4) Kev lag luam: PVC yog yooj yim thiab pheej yig.Hardness: Rigid PVC qib zoo rau hardness thiab durability.Lub zog: Rigid PVC muaj lub zog tensile zoo heev.Polyvinyl Chloride yog "thermoplastic" (raws li "thermoset") cov khoom, uas yuav tsum tau ua nrog txoj kev yas teb rau cov cua sov.Cov ntaub ntawv thermoplastic ua kua ntawm lawv qhov chaw melting (ib thaj tsam rau PVC ntawm qhov qis heev 100 degrees Celsius thiab siab dua qhov tseem ceeb xws li 260 degrees Celsius nyob ntawm cov additives).Ib qho txiaj ntsig tseem ceeb ntawm cov thermoplastics yog tias lawv tuaj yeem ua kom sov rau lawv qhov chaw melting, txias, thiab rov ua dua dua ... -
Dab tsi yog caustic soda?
Ntawm qhov nruab nrab mus rau lub tsev loj, cov neeg yuav khoom tuaj yeem khaws cov tshuaj ntxuav tes, yuav ib lub raj mis ntawm cov tshuaj aspirin thiab saib cov xov xwm tshiab ntawm cov ntawv xov xwm thiab cov ntawv xov xwm.Thaum xub thawj siab ib muag, nws yuav tsis zoo li cov khoom no muaj ntau yam sib xws.Txawm li cas los xij, rau txhua tus ntawm lawv, caustic soda plays lub luag haujlwm tseem ceeb hauv lawv cov npe khoom lossis cov txheej txheem tsim khoom.Dab tsi yog caustic soda?Caustic soda yog cov tshuaj siv tshuaj sodium hydroxide (NaOH).Cov tshuaj no yog alkali - ib hom ntawm lub hauv paus uas muaj peev xwm neutralize acids thiab soluble nyob rau hauv dej.Niaj hnub no caustic soda tuaj yeem tsim nyob rau hauv daim ntawv ntawm pellets, flakes, hmoov, kev daws teeb meem thiab lwm yam.Dab tsi yog caustic soda siv rau?Caustic soda tau dhau los ua cov khoom muaj nyob rau hauv kev tsim ntau yam khoom siv niaj hnub.Feem ntau hu ua lye, nws tau siv t ... -
Vim li cas Polypropylene siv ntau zaus?
Polypropylene yog siv nyob rau hauv ob qho tib si tsev neeg thiab kev lag luam daim ntawv thov.Nws cov khoom tshwj xeeb thiab muaj peev xwm hloov mus rau ntau yam kev tsim khoom ua rau nws sawv tawm los ua cov khoom siv tsis muaj nqis rau ntau yam kev siv.Lwm tus yam ntxwv tseem ceeb yog polypropylene lub peev xwm ua haujlwm raws li cov khoom siv yas thiab fiber ntau (xws li cov hnab ntim khoom tshaj tawm uas tau muab rau ntawm cov xwm txheej, kev sib tw, thiab lwm yam).Polypropylene lub peev xwm tshwj xeeb tsim los ntawm ntau txoj hauv kev thiab rau hauv kev siv sib txawv txhais tau tias tsis ntev nws pib tawm tsam ntau yam khoom qub qub, tshwj xeeb hauv kev ntim khoom, fiber ntau, thiab txhaj tshuaj molding kev lag luam.Nws txoj kev loj hlob tau txhawb nqa ntau xyoo thiab nws tseem yog ib tus neeg tseem ceeb hauv kev lag luam yas thoob ntiaj teb.Ntawm Creative Mechanisms, peb muaj ... -
Dab tsi yog PVC granules?
PVC yog ib qho ntawm cov yas siv ntau tshaj plaws hauv kev lag luam.Plasticol, lub tuam txhab Italian nyob ze Varese tau tsim PVC granules rau ntau tshaj 50 xyoo tam sim no thiab cov kev paub ntau xyoo tau tso cai rau kev lag luam kom tau txais kev paub tob tob uas peb tam sim no siv tau los ua kom txaus siab rau txhua tus neeg siv khoom. ' thov muab cov khoom tshiab thiab txhim khu kev qha.Qhov tseeb tias PVC yog dav siv rau kev tsim ntau yam khoom sib txawv qhia tau hais tias nws cov yam ntxwv zoo li cas yog qhov tseem ceeb thiab tshwj xeeb.Cia peb pib tham txog qhov rigidity ntawm PVC: cov khoom yog nruj heev yog tias ntshiab tab sis nws yuav hloov tau yog tias tov nrog lwm yam khoom.Qhov txawv txav no ua rau PVC haum rau kev tsim cov khoom siv hauv ntau qhov chaw, los ntawm lub tsev t ... -
Biodegradable glitter tuaj yeem hloov kho kev lag luam tshuaj pleev ib ce.
Lub neej yog tag nrho ntawm ci iab ntim, fwj tshuaj pleev ib ce, txiv hmab txiv ntoo lub tais thiab ntau dua, tab sis ntau ntawm lawv yog ua los ntawm cov khoom siv tshuaj lom thiab tsis muaj zog uas ua rau muaj kuab paug yas.Tsis ntev los no, cov kws tshawb fawb ntawm University of Cambridge hauv UK tau pom ib txoj hauv kev los tsim kom muaj kev ruaj ntseg, tsis muaj tshuaj lom thiab biodegradable glitter los ntawm cellulose, lub tsev tseem ceeb ntawm phab ntsa ntawm tes ntawm cov nroj tsuag, txiv hmab txiv ntoo thiab zaub.Cov ntaub ntawv cuam tshuam tau luam tawm nyob rau hauv phau ntawv journal Nature Materials hnub tim 11.Ua los ntawm cellulose nanocrystals, qhov glitter no siv cov xim xim los hloov lub teeb los tsim cov xim vibrant.Nyob rau hauv qhov xwm txheej, piv txwv li, lub flashes ntawm npauj npaim tis thiab peacock feathers yog masterpieces ntawm cov qauv xim, uas yuav tsis ploj tom qab ib puas xyoo.Siv cov txheej txheem sib dhos tus kheej, cellulose tuaj yeem tsim ... -
Polyvinyl chloride (PVC) paste Resin yog dab tsi?
Polyvinyl chloride (PVC) paste Resin , raws li lub npe implies, yog hais tias cov resin no mas siv nyob rau hauv daim ntawv muab tshuaj txhuam.Cov neeg feem ntau siv hom tshuaj no ua plastisol, uas yog ib qho kua dej tshwj xeeb ntawm PVC yas hauv nws lub xeev tsis tau ua tiav..Paste resins feem ntau yog npaj los ntawm emulsion thiab micro-txheej txheem txoj kev.Polyvinyl chloride paste resin muaj qhov loj me me, thiab nws qhov kev ntxhib los mos zoo li talc, nrog immobility.Cov polyvinyl chloride paste resin yog tov nrog ib tug Plasticizer thiab ces stirred los tsim ib tug ruaj khov ncua kev kawm ntawv, uas yog ces ua rau PVC paste, los yog PVC plastisol, PVC sol, thiab nws yog nyob rau hauv daim ntawv no uas tib neeg siv los ua cov khoom kawg.Nyob rau hauv tus txheej txheem ntawm kev muab tshuaj txhuam, ntau yam fillers, diluents, tshav kub stabilizers, foaming agents thiab lub teeb stabilizers yog ntxiv raws li ... -
PP Films yog dab tsi?
PROPERTIES Polypropylene los yog PP yog tus nqi qis thermoplastic ntawm siab clarity, siab gloss thiab zoo tensile zog.Nws muaj cov ntsiab lus melting ntau dua li PE, uas ua rau nws haum rau cov ntawv thov uas yuav tsum tau ua kom tsis muaj menyuam ntawm qhov kub thiab txias.Nws kuj muaj tsawg dua haze thiab siab dua gloss.Feem ntau, cov khoom cua sov ntawm PP tsis zoo li cov LDPE.LDPE kuj muaj lub zog tsim kua muag zoo dua thiab tsis tshua muaj kev kub ntxhov.PP tuaj yeem ua metallized uas ua rau muaj kev txhim kho roj teeb meem rau cov ntawv thov uas cov khoom txee ntev yog qhov tseem ceeb.PP zaj duab xis zoo haum rau ntau yam kev lag luam, cov neeg siv khoom, thiab kev siv tsheb.PP tuaj yeem rov ua dua tshiab thiab tuaj yeem rov ua dua tshiab rau hauv ntau lwm yam khoom siv rau ntau yam kev siv.Txawm li cas los xij, unl ... -
PVC compound yog dab tsi?
PVC tebchaw yog ua los ntawm kev sib xyaw ntawm PVC polymer RESIN thiab cov khoom siv ntxiv uas muab cov qauv tsim nyog rau kev siv kawg (Cov kav dej lossis Rigid Profiles lossis Flexible Profiles lossis Sheets).Lub compound yog tsim los ntawm intimately sib xyaw ua ke cov khoom xyaw, uas yog tom qab hloov dua siab tshiab rau hauv "gelled" tsab xov xwm nyob rau hauv lub zog ntawm tshav kub thiab shear quab yuam.Nyob ntawm seb hom PVC thiab cov khoom siv ntxiv, qhov sib xyaw ua ntej gelation tuaj yeem yog cov hmoov dawb-ntws (lub npe hu ua cov hmoov qhuav) los yog kua hauv daim ntawv muab tshuaj txhuam los yog tov.PVC compounds thaum tsim, siv cov yas yas, rau hauv cov ntaub ntawv hloov tau, feem ntau hu ua PVC-P.PVC Compounds thaum formulated yam tsis muaj plasticizer rau kev siv nruj yog tsim los ntawm PVC-U.PVC Compounding tuaj yeem suav tau raws li hauv qab no: Cov tawv PVC dr... -
Qhov txawv ntawm BOPP, OPP thiab PP Hnab.
Kev lag luam zaub mov feem ntau siv BOPP ntim yas.BOPP hnab yog ib qho yooj yim luam tawm, tsho loj thiab laminate uas ua rau lawv haum rau cov khoom ntim xws li cov khoom tshiab, khoom qab zib thiab khoom noj txom ncauj.Nrog rau BOPP, OPP, thiab PP hnab kuj siv rau ntim.Polypropylene yog ib hom polymer ntawm peb siv los tsim cov hnab.OPP stands rau Oriented Polypropylene, BOPP stands rau Biaxially Oriented Polypropylene thiab PP stands rau Polypropylene.Tag nrho peb qhov sib txawv hauv lawv cov style ntawm fabrication.Polypropylene tseem hu ua polypropene yog ib qho thermoplastic semi-crystalline polymer.Nws yog tawv, muaj zog thiab muaj kev cuam tshuam siab.Standup pouches, spout pouches thiab ziplock hnab yog tsim los ntawm polypropylene.Nws yog qhov nyuaj heev rau kev sib txawv ntawm OPP, BOPP thiab PP plas ... -
Daim ntawv thov kev tshawb fawb ntawm Concentrating Light (PLA) hauv LED Teeb pom kev zoo.
Cov kws tshawb fawb los ntawm lub teb chaws Yelemees thiab Netherlands tab tom tshawb fawb cov ntaub ntawv PLA tshiab.Lub hom phiaj yog los tsim cov ntaub ntawv muaj txiaj ntsig zoo rau kev siv kho qhov muag xws li tsheb teeb taub hau, lo ntsiab muag, cov khoom siv hluav taws xob los yog cov teeb pom kev zoo.Txog tam sim no, cov khoom no feem ntau yog ua los ntawm polycarbonate lossis PMMA.Cov kws tshawb fawb xav nrhiav bio-raws li yas los ua lub taub hau tsheb.Nws hloov tawm tias polylactic acid yog cov khoom siv sib tw tsim nyog.Los ntawm txoj kev no, cov kws tshawb fawb tau daws ntau yam teeb meem uas tau ntsib los ntawm cov tsoos plastics: ua ntej, tig lawv cov kev xav rau cov khoom siv txuas ntxiv tuaj yeem txo qhov siab los ntawm cov roj crude ntawm kev lag luam plastics;thib ob, nws tuaj yeem txo cov pa roj carbon dioxide emissions;Thib peb, qhov no suav nrog kev xav txog tag nrho cov khoom siv lub neej c ... -
Luoyang lab tons ntawm ethylene project tau ua tiav tshiab!
Thaum Lub Kaum Hli 19, tus neeg sau xov xwm tau kawm los ntawm Luoyang Petrochemical tias Sinopec Group Corporation tau muaj lub rooj sib tham hauv Beijing tsis ntev los no, tau caw cov kws tshaj lij los ntawm ntau dua 10 units suav nrog Tuam Tshoj Chemical Society, Tuam Tshoj Synthetic Rubber Industry Association, thiab cov neeg sawv cev cuam tshuam los tsim ib pab pawg kws tshaj lij los soj ntsuam. lab ntawm Luoyang Petrochemical.Daim ntawv qhia txog kev ua tau zoo ntawm qhov project 1-tuj ethylene yuav raug soj ntsuam thiab ua kom pom tseeb.Hauv lub rooj sib tham, pawg kws tshaj lij kev soj ntsuam tau mloog cov lus ceeb toom cuam tshuam ntawm Luoyang Petrochemical, Sinopec Engineering Construction Company thiab Luoyang Engineering Company ntawm qhov project, thiab tsom mus rau kev ntsuam xyuas tag nrho ntawm qhov tsim nyog ntawm kev tsim kho, cov khoom siv raw, cov khoom npaj, kev lag luam, thiab proce... -
Daim ntawv thov txheej xwm thiab sib txawv ntawm polylactic acid (PLA) hauv tsheb.
Tam sim no, cov khoom siv tseem ceeb ntawm polylactic acid yog cov khoom ntim, suav txog ntau dua 65% ntawm tag nrho cov khoom siv;ua raws li cov ntawv thov xws li khoom noj khoom haus, fibers / non-woven fabrics, thiab 3D luam ntawv cov ntaub ntawv.Teb chaws Europe thiab North America yog cov lag luam loj tshaj plaws rau PLA, thaum Asia Pacific yuav yog ib lub lag luam loj tshaj plaws hauv ntiaj teb vim qhov kev thov rau PLA tseem loj hlob hauv cov teb chaws xws li Tuam Tshoj, Nyiv, Kaus Lim Qab Teb, Is Nrias teb thiab Thaib teb.Los ntawm kev xav ntawm daim ntawv thov hom, vim nws cov khoom siv zoo thiab lub cev, polylactic acid yog tsim rau extrusion molding, txhaj tshuaj molding, extrusion tshuab moulding, spinning, foaming thiab lwm yam txheej txheem yas loj, thiab tuaj yeem ua rau hauv cov yeeb yaj kiab thiab ntawv., fiber, hlau, hmoov thiab o ...
