Xov xwm
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Kev Lag Luam PVC Paste Resin.
Kev Xav Tau Khoom Siv Hauv Tsev Uas Yuav Tsav Kev Lag Luam PVC Paste Resin Thoob Ntiaj Teb Kev xav tau cov khoom siv hauv tsev uas pheej yig dua hauv cov tebchaws uas tseem tab tom txhim kho ntau ntxiv yuav ua rau muaj kev xav tau PVC paste resin ntau ntxiv hauv cov tebchaws no hauv ob peb xyoos tom ntej. Cov khoom siv hauv tsev uas siv PVC paste resin hloov lwm cov khoom siv ib txwm muaj xws li ntoo, pob zeb, av nplaum, thiab hlau. Cov khoom no yooj yim rau kev teeb tsa, tiv taus kev hloov pauv ntawm huab cua, thiab pheej yig dua thiab sib dua li cov khoom siv ib txwm muaj. Lawv kuj muaj ntau yam zoo hauv kev ua tau zoo. Kev nce ntxiv ntawm cov kev tshawb fawb thiab kev txhim kho thev naus laus zis ntsig txog cov khoom siv hauv tsev uas pheej yig, tshwj xeeb tshaj yog hauv cov tebchaws uas tseem tab tom txhim kho, kwv yees tias yuav txhawb kev siv PVC p... -
Kev Tshawb Fawb Txog Kev Hloov Pauv ntawm Kev Siv PE Tom Ntej.
Tam sim no, cov khoom siv polyethylene tseem ceeb hauv kuv lub teb chaws suav nrog zaj duab xis, txhaj tshuaj molding, yeeb nkab, hollow, hlau kos duab, cable, metallocene, txheej thiab lwm yam tseem ceeb. Thawj qhov uas dais qhov hnyav, qhov feem pua ntawm kev siv downstream yog zaj duab xis. Rau kev lag luam khoom yeeb yaj kiab, lub ntsiab yog zaj duab xis ua liaj ua teb, zaj duab xis kev lag luam thiab zaj duab xis ntim khoom. Txawm li cas los xij, nyob rau xyoo tas los no, cov yam xws li kev txwv rau cov hnab yas thiab qhov rov ua dua ntawm kev thov vim muaj kev sib kis tau ua rau lawv muaj teeb meem ntau zaus, thiab lawv tab tom ntsib qhov xwm txheej txaj muag. Qhov kev thov rau cov khoom yas pov tseg ib txwm yuav maj mam hloov nrog kev nrov ntawm cov yas degradable. Ntau lub tuam txhab tsim yeeb yaj kiab kuj tab tom ntsib kev tsim kho tshiab hauv kev lag luam ... -
Kev tsim cov Caustic Soda.
Caustic soda (NaOH) yog ib qho ntawm cov khoom noj khoom haus tseem ceeb tshaj plaws, nrog rau tag nrho cov khoom tsim tawm txhua xyoo ntawm 106t. NaOH siv rau hauv cov organic chemistry, hauv kev tsim cov txhuas, hauv kev lag luam ntawv, hauv kev lag luam ua zaub mov, hauv kev tsim cov tshuaj ntxuav tes, thiab lwm yam. Caustic soda yog ib qho khoom sib koom ua ke hauv kev tsim cov chlorine, 97% ntawm cov uas tshwm sim los ntawm electrolysis ntawm sodium chloride. Caustic soda muaj kev cuam tshuam loj heev rau feem ntau cov khoom siv hlau, tshwj xeeb tshaj yog thaum kub thiab siab. Nws tau paub ntev, txawm li cas los xij, nws tau paub ntev tias nickel ua rau muaj kev tiv thaiv corrosion zoo rau caustic soda ntawm txhua qhov kub thiab txias, raws li Daim Duab 1 qhia. Tsis tas li ntawd, tshwj tsis yog thaum muaj ntau qhov kub thiab txias heev, nickel tsis muaj zog rau caustic-induced kev ntxhov siab-c... -
Cov kev siv tseem ceeb ntawm cov tshuaj txhuam pvc resin.
Polyvinyl chloride los yog PVC yog ib hom resin siv rau hauv kev tsim cov roj hmab thiab yas. PVC resin muaj xim dawb thiab hmoov. Nws yog sib xyaw nrog cov khoom ntxiv thiab cov yas kom tsim cov PVC paste resin. Pvc paste resin yog siv rau kev txheej, dipping, foaming, tsuag txheej, thiab rotational forming. PVC paste resin yog qhov muaj txiaj ntsig zoo rau kev tsim ntau yam khoom muaj nqis xws li cov ntaub pua plag hauv pem teb thiab phab ntsa, tawv cuav, txheej saum npoo, hnab looj tes, thiab cov khoom slush-molding. Cov lag luam loj ntawm PVC paste resin suav nrog kev tsim kho, tsheb, luam ntawv, tawv hluavtaws, thiab hnab looj tes kev lag luam. PVC paste resin yog siv ntau dua hauv cov lag luam no, vim nws cov khoom siv lub cev zoo dua, kev sib xws, ci ntsa iab, thiab ci ntsa iab. PVC paste resin tuaj yeem hloov kho tau... -
17.6 billion! Wanhua Chemical tshaj tawm tias nws yuav nqis peev txawv teb chaws.
Thaum yav tsaus ntuj ntawm lub Kaum Ob Hlis 13, Wanhua Chemical tau tshaj tawm cov lus tshaj tawm txog kev nqis peev txawv teb chaws. Lub npe ntawm lub hom phiaj nqis peev: Wanhua Chemical's 1.2 lab tons / xyoo ethylene thiab qhov project polyolefin siab kawg, thiab tus nqi peev: tag nrho cov peev txheej ntawm 17.6 billion yuan. Cov khoom lag luam siab kawg ntawm kuv lub teb chaws kev lag luam ethylene vam khom ntau rau kev xa khoom tuaj. Polyethylene elastomers yog ib feem tseem ceeb ntawm cov ntaub ntawv tshuaj lom neeg tshiab. Ntawm lawv, cov khoom lag luam polyolefin siab kawg xws li polyolefin elastomers (POE) thiab cov ntaub ntawv tshwj xeeb sib txawv yog 100% vam khom rau kev xa khoom tuaj. Tom qab ntau xyoo ntawm kev tsim kho thev naus laus zis ywj pheej, lub tuam txhab tau kawm tiav cov thev naus laus zis cuam tshuam. Lub tuam txhab npaj yuav siv qhov project theem ob ntawm ethylene hauv Yantai Ind... -
Cov hom lag luam zam kuj tseem ua si nrog cov khoom siv hluavtaws, nrog LanzaTech tso tawm lub tsho dub ua los ntawm CO₂.
Tsis yog hais lus tshaj tawm tias cov khoom siv hluavtaws tau nkag mus rau hauv txhua yam ntawm tib neeg lub neej. ZymoChem tab tom yuav tsim lub tsho caij ski ua los ntawm qab zib. Tsis ntev los no, ib lub npe khaub ncaws zam tau tshaj tawm ib lub tsho ua los ntawm CO₂. Fang yog LanzaTech, lub tuam txhab tsim khoom siv hluavtaws hnub qub. Nws nkag siab tias kev koom tes no tsis yog thawj "kev hla" ntawm LanzaTech. Thaum ntxov li Lub Xya Hli xyoo no, LanzaTech tau koom tes nrog lub tuam txhab khaub ncaws kis las Lululemon thiab tsim cov xov paj thiab ntaub thawj zaug hauv ntiaj teb uas siv cov ntaub siv rov ua dua tshiab. LanzaTech yog lub tuam txhab thev naus laus zis tsim khoom siv nyob hauv Illinois, Tebchaws Meskas. Raws li nws cov kev sib sau ua ke hauv kev tsim khoom siv, bioinformatics, kev txawj ntse dag thiab kev kawm tshuab, thiab kev tsim kho, LanzaTech tau tsim... -
Cov Txheej Txheem Txhim Kho Cov Khoom PVC - Lub Luag Haujlwm ntawm Cov Khoom Ntxiv.
Cov tshuaj PVC uas tau los ntawm kev polymerization tsis ruaj khov heev vim nws tsis tshua muaj thermal stability & siab yaj viscosity. Nws yuav tsum tau hloov kho ua ntej ua tiav cov khoom tiav. Nws cov khoom tuaj yeem txhim kho / hloov kho los ntawm kev ntxiv ntau yam khoom ntxiv, xws li cov tshuaj heat stabilizers, UV stabilizers, plasticizers, impact modifiers, fillers, flame retardants, pigments, thiab lwm yam. Kev xaiv cov khoom ntxiv no los txhim kho cov khoom ntawm polymer yog nyob ntawm qhov xav tau ntawm daim ntawv thov kawg. Piv txwv li: 1. Cov tshuaj yas (Phthalates, Adipates, Trimellitate, thiab lwm yam) yog siv los ua cov neeg sawv cev softening los txhim kho rheological thiab mechanical kev ua tau zoo (toughness, strength) ntawm cov khoom vinyl los ntawm kev nce qhov kub. Cov yam uas cuam tshuam rau kev xaiv cov tshuaj yas rau vinyl polymer yog: Polymer compatibili... -
Lub rooj sib tham plenary ntawm Chemdo rau hnub tim 12/12.
Thaum tav su ntawm lub Kaum Ob Hlis 12, Chemdo tau tuav lub rooj sib tham plenary. Cov ntsiab lus ntawm lub rooj sib tham tau muab faib ua peb ntu. Ua ntej, vim tias Tuam Tshoj tau so txoj kev tswj hwm ntawm tus kab mob coronavirus, tus thawj coj dav dav tau tshaj tawm ntau txoj cai rau lub tuam txhab los daws qhov teeb meem kev sib kis, thiab hais kom txhua tus npaj cov tshuaj thiab ua tib zoo saib xyuas kev tiv thaiv cov neeg laus thiab cov menyuam yaus hauv tsev. Qhov thib ob, lub rooj sib tham xaus xyoo kawg tau teem sijhawm yuav muaj nyob rau lub Kaum Ob Hlis 30, thiab txhua tus neeg yuav tsum xa cov ntawv qhia xaus xyoo raws sijhawm. Qhov thib peb, nws tau teem sijhawm yuav tuav lub tuam txhab noj hmo xaus xyoo rau yav tsaus ntuj ntawm lub Kaum Ob Hlis 30. Yuav muaj kev ua si thiab kev sib tw lottery thaum ntawd thiab vam tias txhua tus neeg yuav koom nrog. -
Lub rooj zaum polylactic acid 3D luam tawm uas rhuav tshem koj lub tswv yim.
Nyob rau xyoo tas los no, 3D printing technology tau pom nyob rau hauv ntau yam kev lag luam, xws li khaub ncaws, tsheb, kev tsim kho, khoom noj, thiab lwm yam, txhua tus tuaj yeem siv 3D printing technology. Qhov tseeb, 3D printing technology tau siv rau kev tsim khoom ntxiv thaum ntxov, vim tias nws txoj kev prototyping sai sai tuaj yeem txo lub sijhawm, cov neeg ua haujlwm thiab cov khoom siv raw. Txawm li cas los xij, thaum cov thev naus laus zis loj hlob tuaj, lub luag haujlwm ntawm 3D printing tsis yog tsuas yog incremental xwb. Daim ntawv thov dav dav ntawm 3D printing technology nthuav dav mus rau cov rooj tog uas nyob ze rau koj lub neej txhua hnub. 3D printing technology tau hloov cov txheej txheem tsim khoom ntawm cov rooj tog. Ib txwm muaj, kev ua rooj tog xav tau ntau lub sijhawm, nyiaj txiag thiab cov neeg ua haujlwm. Tom qab cov khoom prototype raug tsim tawm, nws yuav tsum tau sim thiab txhim kho tas li. Ho... -
Kev Tshuaj Xyuas Txog Kev Hloov Pauv ntawm PE Cov Hom Kev Siv Khoom Siv Hauv Qab Yav Tom Ntej.
Tam sim no, kev siv polyethylene hauv kuv lub teb chaws yog loj heev, thiab kev faib tawm ntawm cov hom downstream yog qhov nyuaj thiab feem ntau muag ncaj qha rau cov tuam txhab tsim khoom yas. Nws yog ib feem ntawm cov khoom kawg hauv cov saw hlau kev lag luam downstream ntawm ethylene. Ua ke nrog qhov cuam tshuam ntawm thaj tsam concentration ntawm kev siv hauv tsev, qhov sib txawv ntawm kev muab khoom thiab kev thov hauv cheeb tsam tsis sib npaug. Nrog rau kev nthuav dav ntawm lub peev xwm tsim khoom ntawm kuv lub teb chaws cov tuam txhab polyethylene upstream hauv xyoo tas los no, sab kev muab khoom tau nce ntxiv ntau heev. Tib lub sijhawm, vim muaj kev txhim kho tas li ntawm cov neeg nyob hauv kev tsim khoom thiab cov qauv kev nyob, qhov kev thov rau lawv tau nce ntxiv tas li hauv xyoo tas los no. Txawm li cas los xij, txij li ib nrab xyoo 202... -
Cov Hom Polypropylene Sib Txawv Yog Dab Tsi?
Muaj ob hom polypropylene tseem ceeb: homopolymers thiab copolymers. Cov copolymers raug muab faib ua block copolymers thiab random copolymers. Txhua pawg haum rau qee daim ntawv thov zoo dua li lwm tus. Polypropylene feem ntau hu ua "hlau" ntawm kev lag luam yas vim muaj ntau txoj hauv kev uas nws tuaj yeem hloov kho lossis kho kom zoo tshaj plaws rau lub hom phiaj tshwj xeeb. Qhov no feem ntau ua tiav los ntawm kev qhia cov khoom ntxiv tshwj xeeb rau nws lossis los ntawm kev tsim nws hauv txoj hauv kev tshwj xeeb heev. Qhov kev hloov pauv no yog ib qho tseem ceeb. Homopolymer polypropylene yog qib dav dav. Koj tuaj yeem xav txog qhov no zoo li lub xeev tsis siv neeg ntawm cov khoom siv polypropylene. Block copolymer polypropylene muaj cov chav sib koom ua ke hauv cov blocks (uas yog, hauv tus qauv ib txwm muaj) thiab muaj txhua yam ... -
Cov yam ntxwv ntawm Polyvinyl Chloride (PVC) yog dab tsi?
Qee qhov tseem ceeb tshaj plaws ntawm Polyvinyl Chloride (PVC) yog: Qhov ceev: PVC yog qhov ntom heev piv rau feem ntau cov yas (qhov hnyav tshwj xeeb nyob ib puag ncig 1.4) Kev lag luam: PVC yooj yim nrhiav tau thiab pheej yig. Qhov nyuaj: Rigid PVC qeb zoo rau qhov nyuaj thiab ruaj khov. Lub zog: Rigid PVC muaj lub zog tensile zoo heev. Polyvinyl Chloride yog cov khoom siv "thermoplastic" (piv rau "thermoset"), uas muaj feem cuam tshuam nrog txoj kev uas cov yas teb rau cua sov. Cov khoom siv thermoplastic ua kua ntawm lawv qhov chaw yaj (qhov ntau rau PVC ntawm qhov qis heev 100 degrees Celsius thiab cov nqi siab dua xws li 260 degrees Celsius nyob ntawm cov khoom ntxiv). Ib qho tseem ceeb tseem ceeb txog cov thermoplastics yog tias lawv tuaj yeem raug cua sov rau lawv qhov chaw yaj, txias, thiab rov ua kom sov dua nrog...