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Kev daws cov teeb meem ntxuav cov kab mob tua kab mob: Ib daim ntawv qhia txog kev tua kab mob uas hloov tau yooj yim
Lub hom phiaj tseem ceeb ntawm kev ntxiv cov tshuaj tua kab mob rau cov khoom ntxhua khaub ncaws yog ob npaug: los tiv thaiv cov ntaub thiab los tiv thaiv kev puas tsuaj ntawm daim tawv nqaij los ntawm cov kab mob. Tam sim no, cov tshuaj tua kab mob feem ntau siv hauv cov tshuaj ntxhua khaub ncaws suav nrog cov pawg hauv qab no: 1. Cov tshuaj tua kab mob uas muaj chlorine Triclocarban Vim yog...Nyeem ntxiv -
Carbodiimide: Tus neeg sawv cev tiv thaiv hydrolysis uas siv dav tshaj plaws thiab muaj txiaj ntsig zoo tshaj plaws
1. Cov tshuaj tiv thaiv hydrolysis feem ntau yog lub hom phiaj los thaiv cov txheej txheem hydrolysis ntawm polyester polymers. Hauv cov ntawv thov siv cov polymers uas muaj ester bonds, xws li PBT, PET, PLA, thiab polyurethanes (TPU, CPU), cov dej molecules yooj yim sib txuas...Nyeem ntxiv -
Lub Tuam Txhab Ua Kom Muaj Xim Zoo Nkauj Optical Brightener Giant BASF Hloov Tes: Cov Chaw Tsim Tshuaj Ntxuav Yuav Tsum Ua Dab Tsi?
BASF tau muag nws txoj kev lag luam ua kom pom kev ci ntsa iab rau Catexel, uas tab tom nthuav dav nws cov khoom lag luam hauv kev lag luam ntxuav khaub ncaws. BASF tau pom zoo muag nws txoj kev lag luam ua kom pom kev ci ntsa iab rau Catexel. Txoj kev lag luam no tam sim no yog ib feem ntawm BASF's Care Chemicals business unit. Optical...Nyeem ntxiv -
Antioxidant 1010: Daim Ntawv Qhia Txog Kev Siv Thiab Xaiv Rau "Vaj Ntxwv ntawm Kev Tiv Thaiv Kev Laus" Hauv Kev Lag Luam Yas
Hauv kev ua cov yas thiab siv cov yas mus sij hawm ntev, kev laus oxidative yog qhov mob tseem ceeb uas txwv tsis pub lub neej thiab kev ua tau zoo ntawm cov khoom - kev ua cov khoom kub siab yooj yim ua rau cov resin puas tsuaj, thiab sab nraum zoov lossis kub siab ...Nyeem ntxiv -
Daim ntawv thov txoj cai ntawm amino resin crosslinking tus neeg sawv cev hauv coatings
Kev piav qhia txog kev siv cov amino resin crosslinking agents Lub luag haujlwm tseem ceeb ntawm amino resins (melamine-formaldehyde, benzomelamine-formaldehyde, thiab urea-formaldehyde resins) hauv thermosetting coatings yog crosslink lub ntsiab zaj duab xis-...Nyeem ntxiv -
Kev Txheeb Xyuas Txog Cov Tshuaj Tiv Thaiv Hluav Taws Xob
Kev tsim cov nqi hluav taws xob electrostatic Lub peev xwm ntawm cov khoom khov kho kom nqa tau ib qho nqi nyob ntawm qhov chaw ntawm qhov chaw, dielectric tas mus li, qhov chaw tiv taus ntawm qhov chaw, thiab qhov av noo ntawm qhov chaw ib puag ncig. Nws lub peev xwm los nqa tau ib qho nqi yog inversely proportional rau nws dielectric tas mus li thiab rel ...Nyeem ntxiv -
Kev Taw Qhia Luv Luv Txog Cov Khoom Siv UV Absorbers thiab Lawv Cov Qauv
I. Cov Lus thiab Cov Lus Txhais Lub hnub ci muaj ntau lub teeb ultraviolet (UV), nrog rau qhov ntev ntawm kwv yees li 290-460 nm, uas ua rau cov khoom muaj xim puas tsuaj. Lub teeb UV no ua rau cov xim molecules lwj thiab ploj mus los ntawm cov tshuaj redox. Kev siv cov khoom nqus UV tuaj yeem ua rau muaj teeb meem...Nyeem ntxiv -
Cov khoom siv "kev tiv thaiv ze" - UV531
Cov khoom siv "kev tiv thaiv ze" --- UV531 Ultraviolet (UV) hluav taws xob - qhov "teeb meem tua neeg" uas tsis pom no - pheej hem lub neej thiab kev ruaj khov ntawm ntau yam khoom siv. Ua ib qho "daim thaiv qhov muag" tiv thaiv hluav taws xob UV, cov khoom nqus UV tau dhau los ua tus neeg saib xyuas tseem ceeb ...Nyeem ntxiv -
Yuav ua li cas xaiv tus neeg sawv cev nucleating rau PP?
Polypropylene yog ib qho polymer siv dav dav hauv ntau daim ntawv thov vim nws cov khoom sib xyaw ua ke zoo heev. Nws cov khoom, xws li lub cev, tshuab thiab kho qhov muag tuaj yeem txhim kho ntxiv nrog kev siv cov neeg sawv cev nucleating thiab cov neeg sawv cev clarifying. Cov additives no pab hauv...Nyeem ntxiv -
Txheej txheem cej luam ntawm 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