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TUS TIV THAIV RAU POLYMER: UV ABSORBER.
Cov qauv molecular ntawm UV absorbers feem ntau muaj cov conjugated ob chav bonds lossis aromatic rings, uas tuaj yeem nqus cov ultraviolet rays ntawm cov wavelengths tshwj xeeb (feem ntau UVA thiab UVB). Thaum ultraviolet rays irradiate cov molecules absorbent, cov ele...Nyeem ntxiv -
Cov Tshuaj Ua Kom Pom Kev Ci Ntxim Saib - Me Me, Tab Sis Muaj Txiaj Ntsig Zoo
Cov Tshuaj Pleev Xim Muaj Peev Xwm Nqus Tau Lub Teeb UV Thiab Tig Nws Mus Ua Lub Teeb Xiav Thiab Xiav, Uas Tsis Yog Tsuas Yog Tiv Thaiv Lub Teeb Daj Me Me Ntawm Cov Ntaub Xwb Tab Sis Kuj Ua Rau Nws Qhov Ci Ntxim. Yog Li Ntawd, Kev Ntxiv Cov Tshuaj Ntxuav OBA Ua Rau Cov Khoom Ntxuav Tau...Nyeem ntxiv -
Kev Tiv Thaiv Huab Cua Tsis Zoo? Ib yam dab tsi koj yuav tsum paub txog PVC
PVC yog ib hom yas uas feem ntau siv rau hauv cov kav dej thiab cov khoom siv, cov ntawv thiab cov yeeb yaj kiab, thiab lwm yam. Nws pheej yig thiab muaj kev kam rau qee cov kua qaub, alkalis, ntsev, thiab cov kuab tshuaj, ua rau nws tsim nyog rau kev sib cuag nrog cov roj. Nws tuaj yeem ua rau hauv kev hloov pauv...Nyeem ntxiv -
Kev Tshawb Fawb Txog Tshuaj Pleev Xim Tiv Thaiv Hnub: Lub Tshoov Tseem Ceeb Tiv Thaiv Cov Duab UV!
Cov cheeb tsam nyob ze ntawm lub equator lossis ntawm qhov chaw siab muaj lub teeb ultraviolet muaj zog. Kev raug lub teeb ultraviolet ntev ntev tuaj yeem ua rau muaj teeb meem xws li kub hnyiab thiab tawv nqaij laus, yog li kev tiv thaiv hnub yog qhov tseem ceeb heev. Cov tshuaj pleev thaiv hnub tam sim no feem ntau ua tiav los ntawm cov txheej txheem...Nyeem ntxiv -
Kev lag luam thoob ntiaj teb Nucleating Agent tab tom nthuav dav zuj zus: tsom mus rau cov neeg muab khoom hauv Suav teb tshiab
Xyoo tas los no (2024), vim yog kev txhim kho ntawm kev lag luam xws li tsheb thiab ntim khoom, kev lag luam polyolefin hauv thaj chaw Asia Pacific thiab Middle East tau loj hlob zuj zus. Qhov kev thov rau cov neeg sawv cev nucleating tau nce ntxiv. (Tus Neeg Sawv Cev Nucleating yog dab tsi?) Siv Tuam Tshoj ua...Nyeem ntxiv -
Cov Kev Faib Tawm ntawm Cov Tshuaj Tiv Thaiv Hluav Taws Xob yog dab tsi? - Cov Kev Daws Teeb Meem Tiv Thaiv Hluav Taws Xob uas Tsim Los Ntawm DEBORN
Cov neeg sawv cev tiv thaiv hluav taws xob tau dhau los ua qhov tsim nyog los daws cov teeb meem xws li kev nqus hluav taws xob hauv cov yas, luv luv, thiab kev tso tawm hluav taws xob hauv cov khoom siv hluav taws xob. Raws li ntau txoj kev siv, cov neeg sawv cev tiv thaiv hluav taws xob tuaj yeem muab faib ua ob pawg: cov khoom ntxiv sab hauv thiab sab nraud ...Nyeem ntxiv -
Daim Ntawv Thov ntawm Nano-cov ntaub ntawv hauv Cov Khoom Siv Polyurethane Uas Hloov Kho Dej
Polyurethane uas los ntawm dej yog ib hom polyurethane tshiab uas siv dej hloov cov organic solvents ua cov khoom sib kis. Nws muaj qhov zoo ntawm tsis muaj kuab paug, kev nyab xeeb thiab kev ntseeg tau, cov khoom siv kho tshuab zoo heev, kev sib raug zoo, thiab kev hloov kho yooj yim. Ho...Nyeem ntxiv -
Cov tshuaj ua kom ci ntsa iab OB rau cov xim thiab cov tshuaj pleev xim
Cov khoom siv ci ntsa iab kho qhov muag OB, tseem hu ua fluorescent whitening agent (FWA), fluorescent brightening agent (FBA), lossis optical brightening agent (OBA), yog ib hom fluorescent zas lossis dawb zas, uas yog dav siv rau kev ua kom dawb thiab ci ntsa iab ntawm cov yas, xim, co ...Nyeem ntxiv -
To taub cov yas ua kom pom kev ci ntsa iab: Puas yog lawv zoo ib yam li cov tshuaj dawb?
Hauv kev tsim khoom thiab kev tshawb fawb txog cov ntaub ntawv, kev nrhiav kev txhim kho qhov zoo nkauj thiab kev ua haujlwm ntawm cov khoom tsis muaj qhov kawg. Ib qho kev tsim kho tshiab uas tau txais kev txhawb nqa loj yog kev siv cov tshuaj ua kom pom kev ci ntsa iab, tshwj xeeb tshaj yog hauv cov yas. Txawm li cas los xij, ib qho kev siv ntau ...Nyeem ntxiv -
Yuav siv cov tshuaj ua kom pom kev zoo li cas rau yas?
Cov tshuaj ua kom pom kev ci ntsa iab yog cov tshuaj siv hauv kev lag luam yas los txhim kho qhov zoo nkauj ntawm cov khoom yas. Cov tshuaj ua kom pom kev ci ntsa iab no ua haujlwm los ntawm kev nqus cov duab UV thiab tso tawm lub teeb xiav, pab npog txhua qhov daj lossis qhov tsis zoo ntawm cov yas kom ci dua, zoo nkauj dua. Kev siv cov...Nyeem ntxiv -
Tus neeg sawv cev nucleating yog dab tsi?
Tus neeg sawv cev nucleating yog ib hom khoom siv tshiab uas tuaj yeem txhim kho cov khoom siv lub cev thiab cov khoom siv kho tshuab ntawm cov khoom xws li pob tshab, qhov ci ntsa iab, lub zog tensile, rigidity, kub distortion kub, cuam tshuam tsis kam, creep tsis kam, thiab lwm yam los ntawm kev hloov pauv tus cwj pwm crystallization ...Nyeem ntxiv -
Hom Tshuaj Tiv Thaiv Ua Npuas Ncauj II
I. Cov roj ntuj (piv txwv li Cov roj taum pauv, Cov roj pob kws, thiab lwm yam) II. Cawv Carbon Siab III. Cov Tshuaj Polyether Antifoamers IV. Cov Tshuaj Polyether Hloov Kho Silicone ... Tshooj dhau los kom paub meej ntxiv. V. Cov Tshuaj Organic Silicon Antifoamer Polydimethylsiloxane, tseem hu ua roj silicone, yog cov khoom tseem ceeb ...Nyeem ntxiv