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Kev Txheeb Xyuas Txog Cov Tshuaj Ntxiv Rau Txheej
I. Hom thiab Kev Ua Haujlwm ntawm Cov Khoom Ntxiv 1. Hom adjuvants (1) Kev faib tawm los ntawm kev ua haujlwm ntawm adjuvants ① Cov khoom ntxiv uas txhim kho kev ua haujlwm ntawm cov txheej txheem, suav nrog cov neeg sawv cev ntub dej, cov khoom tawg, cov khoom ua npuas dej, thiab cov neeg sawv cev tiv thaiv tawv nqaij. ② Cov khoom ntxiv uas txhim kho kev khaws cia thiab kev thauj mus los...Nyeem ntxiv -
Yuav ua li cas xaiv cov khoom siv yas kom raug
Cov hom additives sib txawv feem ntau ntxiv thaum lub sijhawm ua cov yas kom tau raws li cov kev ua tiav sib txawv thiab cov kev xav tau ntawm cov ntaub ntawv, thiab kev xaiv cov additives yog qhov tseem ceeb hauv kev tsim cov qauv hloov kho yas. I. Kev txhais ntawm cov khoom siv yas ntxiv Yas...Nyeem ntxiv -
Kev Txo Nqi thiab Kev Txhim Kho Kev Ua Haujlwm ntawm Silica hauv Cov Txheej Txheem
Kev siv silica hauv cov txheej txheej feem ntau cuam tshuam nrog kev txhim kho kev nplaum, kev tiv thaiv huab cua, cov khoom tiv thaiv kev sib sau ua ke, thiab kev txhim kho thixotropy. Nws yog qhov tsim nyog rau cov txheej txheem vaj tse, cov txheej txheem dej, thiab cov xim acrylic resin. ...Nyeem ntxiv -
Cov Chaw Tsim Khoom Siv Brightener Zoo Tshaj Plaws
Nrog rau qhov kev thov nce ntxiv rau cov khoom ua kom ci ntsa iab (cov neeg sawv cev ua kom dawb fluorescent), txhawm rau pab nrhiav cov neeg muag khoom tsim nyog, qhia qee cov chaw tsim khoom saum toj kawg nkaus ntawm cov khoom ua kom ci ntsa iab. Cov khoom ua kom ci ntsa iab (fluoresc...Nyeem ntxiv -
Vim li cas peb thiaj xav tau cov tooj liab deactivators?
Tooj liab inhibitor lossis tooj liab deactivator yog ib qho khoom siv ntxiv uas siv rau hauv cov ntaub ntawv polymer xws li yas thiab roj hmab. Nws lub luag haujlwm tseem ceeb yog tiv thaiv cov teebmeem catalytic laus ntawm tooj liab lossis tooj liab ions ntawm cov ntaub ntawv, tiv thaiv cov khoom puas tsuaj, discoloration, lossis cov khoom siv kho tshuab puas tsuaj ...Nyeem ntxiv -
Kev Tshawb Fawb Txog Tshuaj Pleev Xim Tiv Thaiv Hnub: Lub Tswv Yim Tseem Ceeb Tiv Thaiv Cov Duab UV
Cov cheeb tsam 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 yog ua tiav los ntawm txoj kev ntawm kev npog lub cev lossis ...Nyeem ntxiv -
Kev Txheeb Xyuas Txog Cov Tshuaj Ntxiv Rau Txheej
Lub ntsiab lus thiab lub ntsiab lus Cov khoom ntxiv rau txheej yog cov khoom xyaw ntxiv rau cov txheej ntxiv rau cov tshuaj tseem ceeb uas tsim cov zaj duab xis, cov xim, cov khoom sau, thiab cov kuab tshuaj. Lawv yog cov tshuaj uas tuaj yeem txhim kho qee yam khoom tshwj xeeb ntawm cov txheej lossis cov zaj duab xis txheej. Lawv siv me me...Nyeem ntxiv -
Kev Tiv Thaiv Kev Laus ntawm Polyamide (Nylon, PA)
Nylon (polyamide, PA) yog ib hom yas engineering uas muaj cov khoom siv kho tshuab thiab ua haujlwm zoo heev, ntawm cov PA6 thiab PA66 yog cov polyamide ntau hom. Txawm li cas los xij, nws muaj cov kev txwv hauv kev tiv taus kub siab, tsis ruaj khov xim, thiab yooj yim nqus dej noo thiab hydrolysis. Noj ...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 -
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 pom tseeb lossis tsis pom tseeb ...Nyeem ntxiv -
Cov kev faib tawm ntawm Cov Neeg Sawv Cev Antistatic yog dab tsi? -Kev daws teeb meem Antistatic tshwj xeeb los ntawm NANJING REBORN
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 -
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 electrons hauv cov molecules hloov pauv los ntawm hauv av s ...Nyeem ntxiv