xov xwm
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Cov Txheej Txheem Kev Loj Hlob ntawm Tuam Tshoj Kev Lag Luam Hluav Taws Kub
Tau ntev heev lawm, cov tuam txhab tsim khoom txawv teb chaws los ntawm Tebchaws Meskas thiab Nyiv Pooj tau tswj hwm kev lag luam thoob ntiaj teb ntawm cov khoom siv hluav taws xob nrog lawv cov txiaj ntsig hauv kev siv tshuab, peev txheej thiab hom khoom. Kev lag luam hluav taws xob hauv Suav teb tau pib lig thiab tau ua lub luag haujlwm ntawm tus ntes. Txij li xyoo 2006, nws tau tsim r...Nyeem ntxiv -
Hom Tshuaj Tiv Thaiv Kev Ua Npuas Ncauj (2)
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 Hom Tshuaj Antifoamers (1) kom paub meej ntxiv. V. Cov Tshuaj Organic Silicon Antifoamer Polydimethylsiloxane, tseem hu ua roj silicone, yog cov khoom tseem ceeb ntawm...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 nyiam loj heev 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 lo lus nug uas feem ntau tshwm sim yog ...Nyeem ntxiv -
Tshuaj pleev kom ci ntsa iab OB rau xim thiab txheej
Tus neeg sawv cev ci ntsa iab, tseem hu ua fluorescent whitening agent (FWA), fluorescent brightening agent (FBA), lossis optical brightening agent (OBA), yog ib hom fluorescent dye lossis dawb dye, uas yog siv dav rau kev ua kom dawb thiab ci ntsa iab ntawm cov yas, xim, coatings, inks, thiab lwm yam. Cov haujlwm ua haujlwm...Nyeem ntxiv -
Ammonium polyphosphate (APP) yog dab tsi?
Ammonium polyphosphate, hu ua APP, yog ib qho phosphate uas muaj nitrogen nrog cov hmoov dawb zoo li. Raws li nws qib polymerization, nws tuaj yeem muab faib ua peb hom: polymerization qis, polymerization nruab nrab thiab polymerization siab. Qhov ntau dua qib ntawm polymerization...Nyeem ntxiv -
Amino Resin DB303 yog dab tsi?
Lo lus Amino Resin DB303 tej zaum yuav tsis paub rau cov pej xeem, tab sis nws muaj lub ntsiab lus tseem ceeb hauv ntiaj teb ntawm kev lag luam tshuaj lom neeg thiab kev pleev xim. Tsab xov xwm no lub hom phiaj yog kom piav qhia meej txog Amino Resin DB303 yog dab tsi, nws cov ntawv thov, cov txiaj ntsig thiab vim li cas nws yog ib feem tseem ceeb ntawm ntau yam kev lag luam. L...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 -
Cov khoom siv UV absorbers muaj ntau yam dab tsi?
Cov khoom nqus UV, tseem hu ua cov lim dej UV lossis cov tshuaj pleev thaiv hnub, yog cov khoom siv los tiv thaiv ntau yam khoom siv los ntawm cov teebmeem phem ntawm ultraviolet (UV). Ib qho ntawm cov khoom nqus UV yog UV234, uas yog ib qho kev xaiv nrov rau kev muab kev tiv thaiv tiv thaiv UV. Hauv tsab xov xwm no peb yuav tshawb nrhiav txog...Nyeem ntxiv -
Cov Khoom Siv Hydrolysis Stabilizers - Qhov Tseem Ceeb rau Kev Ntev Lub Sij Hawm Khaws Khoom
Nrog rau kev txhim kho tas mus li ntawm kev lag luam niaj hnub thiab thev naus laus zis, kev siv cov tshuaj lom neeg hauv kev tsim khoom txhua hnub thiab lub neej tau dhau los ua ntau dua thiab dav dua. Hauv cov txheej txheem no, lub luag haujlwm tseem ceeb yog hydrolysis stabilizer. Tsis ntev los no, qhov tseem ceeb ntawm hydrolysis stabilizers thiab lawv daim ntawv thov ...Nyeem ntxiv -
Bis phenyl carbodiimide yog dab tsi?
Diphenylcarbodiimide, tshuaj mis 2162-74-5, yog ib qho tshuaj uas tau nyiam kev saib xyuas dav dav hauv kev tshawb fawb txog organic chemistry. Lub hom phiaj ntawm tsab xov xwm no yog los muab kev piav qhia txog diphenylcarbodiimide, nws cov khoom, kev siv, thiab qhov tseem ceeb hauv ntau yam kev siv. Diphenylcarbodi...Nyeem ntxiv -
Ib qho Phosphite Antioxidant ua tau zoo rau kev ua Polymer
Antioxidant 626 yog ib qho tshuaj antioxidant organo-phosphite uas muaj kev ua haujlwm siab uas tsim los siv rau hauv cov txheej txheem tsim khoom uas nyuaj rau ua ethylene thiab propylene homopolymers thiab copolymers nrog rau kev tsim cov elastomers thiab engineering compounds tshwj xeeb tshaj yog qhov twg xim zoo heev stability yog ...Nyeem ntxiv -
Cov tshuaj fluorescent whitening agents hauv plastics yog dab tsi?
Yas siv dav hauv ntau yam lag luam vim nws muaj peev xwm hloov pauv tau yooj yim thiab pheej yig. Txawm li cas los xij, qhov teeb meem feem ntau nrog cov yas yog tias lawv feem ntau daj lossis hloov xim raws sijhawm vim raug lub teeb thiab cua sov. Txhawm rau daws qhov teeb meem no, cov chaw tsim khoom feem ntau ntxiv cov khoom ntxiv hu ua optical brighteners rau yas...Nyeem ntxiv