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YIHOO PA (polyamide) polymerization & kev hloov kho ntxiv
Polyamide (tseem hu ua PA lossis Nylon) yog cov ntsiab lus dav dav ntawm cov thermoplastic cob, uas muaj cov pab pawg amide rov ua dua ntawm cov saw hlau loj. PA suav nrog aliphatic PA, aliphatic - muaj ntxhiab PA thiab ntxhiab PA, uas aliphatic PA, tau los ntawm tus naj npawb ntawm cov pa roj carbon atoms hauv cov khoom siv hluavtaws monomer, muaj ntau yam ntau yam, muaj peev xwm tshaj plaws thiab siv tau dav.
Nrog rau cov tsheb me me, kev ua haujlwm siab ntawm cov cuab yeej siv hluav taws xob thiab hluav taws xob, thiab ua kom nrawm ntawm cov txheej txheem hnyav ntawm cov cuab yeej siv tshuab, qhov xav tau ntawm nylon yuav siab dua thiab ntau dua. Nylon qhov tsis txaus tseem yog qhov tseem ceeb txwv nws daim ntawv thov, tshwj xeeb tshaj yog rau PA6 thiab PA66, piv nrog PA46, PA12 ntau yam, muaj tus nqi muaj txiaj ntsig zoo, txawm hais tias qee qhov kev ua tau zoo tsis tuaj yeem ua tau raws li qhov xav tau ntawm kev txhim kho kev lag luam cuam tshuam.
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YIHOO PU (polyurethane) ua npuas dej ntxiv
Ua npuas yas yog ib qho ntawm ntau yam tseem ceeb ntawm polyurethane cov khoom siv hluavtaws, nrog cov yam ntxwv ntawm porosity, yog li nws qhov txheeb ze sib xws me me, thiab nws lub zog tshwj xeeb yog siab. Raws li qhov sib txawv ntawm cov ntaub ntawv raw thiab mis, nws tuaj yeem ua rau muag muag, ib nrab tawv thiab tawv polyurethane ua npuas yas thiab lwm yam.
PU ua npuas ncauj tau siv dav, yuav luag ntxig rau hauv txhua qhov haujlwm ntawm kev lag luam hauv tebchaws, tshwj xeeb tshaj yog hauv rooj tog, txaj, tsheb thauj mus los, tub yees, kev tsim kho, rwb thaiv tsev thiab ntau yam kev siv.
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YIHOO PVC (polyvinyl chloride) polymerization & hloov kho ntxiv
Polyvinyl chloride (PVC) yog polymer ntawm vinyl chloride monomer (VCM) polymerized los ntawm peroxide, azo tebchaw thiab lwm tus pib lossis los ntawm cov dawb radical polymerization cov tshuaj tiv thaiv kev ua haujlwm raws li lub teeb thiab cua sov. Vinyl chloride homo polymer thiab vinyl chloride co polymer hu ua vinyl chloride resin.
PVC siv los ua cov yas loj tshaj plaws hauv lub ntiaj teb thiab tau siv dav. Nws tau siv dav hauv cov khoom siv hauv tsev, cov khoom lag luam, cov khoom siv niaj hnub, tawv hauv pem teb, hauv av cib, tawv tawv, cov kav dej, cov xov hlau thiab cov hlua, ntim zaj duab xis, fwj, cov khoom ua npuas, cov ntaub ntawv sib khi, fiber ntau thiab lwm yam.
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YIHOO PC (Polycarbonate) cov tshuaj ntxiv
Polycarbonate (PC) yog cov polymer uas muaj cov pab pawg carbonate hauv cov saw hlau. Raws li cov qauv ntawm pawg ester, nws tuaj yeem faib ua aliphatic, ntxhiab, aliphatic - ntxhiab thiab lwm yam. Cov khoom siv kho tshuab qis ntawm aliphatic thiab aliphatic ntxhiab polycarbonate txwv lawv daim ntawv thov hauv engineering yas. Tsuas yog cov tshuaj tsw qab polycarbonate tau tsim ua khoom lag luam. Vim yog qhov tshwj xeeb ntawm cov qauv polycarbonate, PC tau dhau los ua cov plastics engineering uas muaj kev loj hlob sai tshaj plaws ntawm tsib lub tshuab yas.
PC tsis tiv taus lub teeb ci ultraviolet, muaj zog alkali, thiab khawb. Nws hloov daj nrog lub sij hawm ntev raug rau ultraviolet. Yog li ntawd, qhov xav tau rau kev hloov pauv ntxiv yog qhov tseem ceeb.
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YIHOO TPU elastomer (Thermoplastic polyurethane elastomer) cov tshuaj ntxiv
Thermoplastic polyurethane elastomer (TPU), nrog nws cov khoom zoo thiab siv dav, tau dhau los ua ib qho tseem ceeb ntawm cov khoom siv thermoplastic elastomer, uas nws cov lwg me me yog cov kab me me lossis tsis muaj tshuaj lom neeg sib txuas.
Muaj ntau lub cev sib txuas sib txuas tau tsim los ntawm hydrogen sib txuas ntawm cov kab polyurethane molecular saw, uas ua lub luag haujlwm ntxiv dag zog hauv lawv cov morphology, yog li muab ntau yam khoom zoo, xws li kev hloov pauv siab, siab zog, zoo hnav tsis kam, tshuaj tsis haum, hydrolysis tsis kam, siab thiab kub tsis kam thiab pwm ua haujlwm. Cov khoom zoo no ua rau cov thermoplastic polyurethane siv dav hauv ntau qhov chaw xws li khau, cable, khaub ncaws, tsheb, tshuaj thiab noj qab haus huv, yeeb nkab, zaj duab xis thiab ntawv.
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YIHOO Tsawg VOC tsheb laij cov tshuaj ntxiv
Xyoo tsis ntev los no, nrog rau kev ua raws cov cai tswj hwm huab cua hauv tsheb, kev tswj hwm lub tsheb zoo thiab VOC (cov tshuaj tsis haum lub cev sib xyaw) qib tau dhau los ua ib feem tseem ceeb ntawm kev tshuaj xyuas lub tsheb zoo. VOC yog cov lus txib ntawm cov organic sib txuas, feem ntau yog hais txog lub tsheb lub tsheb thiab lub nra ntim khoom lossis cov khoom siv ntawm cov khoom sib xyaw organic, feem ntau suav nrog benzene series, aldehydes thiab ketones thiab undecane, butyl acetate, phthalates thiab lwm yam.
Thaum lub siab ntawm VOC hauv lub tsheb nce mus txog qib ib, nws yuav ua rau pom cov tsos mob xws li mob taub hau, xeev siab, ntuav thiab qaug zog, thiab txawm tias ua rau qaug dab peg thiab tsis nco qab hauv qhov xwm txheej loj. Nws yuav ua rau lub siab, raum, lub hlwb thiab lub paj hlwb puas, ua rau lub cim xeeb poob thiab lwm yam kev rau txim loj, uas yog kev hem thawj rau tib neeg kev noj qab haus huv.
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YIHOO textile xov tiav tus neeg sawv cev ntxiv
Textile xov tus neeg sawv cev yog tshuaj reagent rau kev ua tiav textile. Vim tias muaj ntau ntau yam, nws tau hais kom xaiv hom zoo raws li qhov yuav tsum tau ua thiab qib ntawm kev ua tshuaj tiav. Thaum ua tiav, tus neeg sawv cev ua kom qis qis molecular feem ntau yog daws, thaum tus neeg ua haujlwm siab molecular tiav feem ntau yog emulsion. Ua ke nrog tus neeg sawv cev ua tiav, UV nqus, xim nrawm txhim kho tus neeg sawv cev thiab lwm cov koom haum tseem tau thov thaum tsim khoom.
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YIHOO General plastics additives
Polymers tau dhau los ua qhov xav tau hauv txhua qhov ntawm lub neej niaj hnub no, thiab kev txhim kho tsis ntev los no hauv lawv cov khoom lag luam thiab kev ua haujlwm tau nthuav dav ntxiv rau kev siv cov yas, thiab hauv qee qhov kev thov, polymers tau hloov pauv lwm cov ntaub ntawv xws li iav, hlau, ntawv thiab ntoo.
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YIHOO General txheej txheej ntxiv
Hauv qhov xwm txheej tshwj xeeb, txheej txheej thiab pleev xim xws li pleev xim sab nrauv, pleev xim, pleev xim tsheb, yuav ua kom cov txheej txheem laus dua, tom qab lub sijhawm ntev raug rau hluav taws xob ultraviolet, lub hnub nyoog laus dua, cua sov cua sov.
Txoj hauv kev zoo tshaj plaws los txhim kho txheej txheej txheej huab cua tiv taus yog ntxiv cov tshuaj tiv thaiv kab mob thiab lub zog ruaj khov, uas tuaj yeem tiv thaiv cov dawb radicals oxidation hauv cov yas yas, decomposition ntawm hydrogen peroxide, thiab ntes dawb radicals, txhawm rau muab kev tiv thaiv ntev yas yas, thiab ncua ncua kev poob ntawm ci, daj thiab pulverization ntawm txheej.
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Tshuaj pleev ib ce ntxiv
Xyoo tsis ntev los no, nrog kev ua kom nrawm dua ntawm kev tsim khoom, tib neeg lub zog nyob rau ib puag ncig ntuj tau nce zuj zus, uas ua rau kev tiv thaiv ntawm cov txheej txheej ozone zoo li txo qis. Qhov kev siv hluav taws xob ultraviolet ncav cuag lub ntiaj teb saum ntuj hauv tshav ntuj yog nce zuj zus, uas cuam tshuam ncaj qha rau tib neeg kev noj qab haus huv. Hauv lub neej txhua hnub, txhawm rau txo qis kev puas tsuaj ntawm hluav taws xob ultraviolet rau ntawm daim tawv nqaij, Tib neeg yuav tsum zam kev raug tshav ntuj thiab tawm mus thaum nruab hnub tshav ntuj thaum nruab hnub, hnav khaub ncaws tiv thaiv, thiab siv tshuaj pleev tshuaj pleev thaiv hnub ua ntej tiv thaiv tshav ntuj, ntawm lawv , kev siv tshuaj pleev thaiv hnub yog siv ntau tshaj tiv thaiv kev tiv thaiv UV, nws tuaj yeem tiv thaiv tshav ntuj ua rau erythema thiab raug mob hnyav, tiv thaiv lossis txo DNA puas, siv cov tshuaj pleev tshuaj tiv thaiv tsis tu ncua tuaj yeem tiv thaiv kev mob qog noj ntshav ua ntej, tuaj yeem txo qis tshwm sim ntawm hnub ci mob qog noj ntshav.
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APIs (Cov Khoom Siv Tshuaj Kho Mob)
Peb lub Hoobkas uas nyob hauv Linyi, xeev Shandong, tuaj yeem muab hauv qab API thiab nruab nrab
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Lwm yam khoom siv tshuaj lom neeg
Ntxiv nrog rau cov yas tseem ceeb, txheej txheej hloov kho tshuaj ntxiv, lub tuam txhab tau nthuav dav nthuav dav mus rau thaj chaw dav, txhawm rau txhim kho cov khoom lag luam rau cov neeg siv ntau dua.
Lub tuam txhab tuaj yeem muab cov khoom lag luam molecular sieve, 6FXY
(2,2-Bis (3,4-dimethylphenyl) hexafluoropropane) thiab 6FDA (4,4 ′-(Hexafluoroisopropylidene) diphthalic anhydride).
