Ua ib lub tuam txhab ua cov tshuaj polyurethane catalysts, peb zoo siab los qhia txog lub luag haujlwm tseem ceeb ntawm cov tshuaj no hauv kev tsim cov polyurethane ua npuas ncauj, uas yog cov khoom siv tau ntau yam hauv ntau yam lag luam. Peb cov khoom, suav nrog MXC-A33, MXC-T thiab ntau yam tshuaj tshwj xeeb, yog ib feem tseem ceeb ntawm cov txheej txheem tsim cov polyurethane ua npuas ncauj, ua kom ntseeg tau tias cov tshuaj tiv thaiv zoo thiab cov txiaj ntsig zoo.
Yuav Ua Li Cas Polyurethane Ua Npuas Ncauj
Ua npuas dej Polyurethane yog tsim los ntawm kev sib xyaw tshuaj ntawm diisocyanates thiab polyols, ob qho tib si yog los ntawm roj av nyoos, txawm hais tias polyols kuj tuaj yeem tsim los ntawm cov roj ntuj tsim dua tshiab. Qhov kev sib xyaw no ua rau muaj cov saw polymer uas tsim cov qauv tseem ceeb ntawm cov npuas dej. Kev tsim cov npuas dej Polyurethane muaj rau lub ntsiab lus tseem ceeb:
- Cov Polyols: Lub hauv paus tseem ceeb ntawm cov ua npuas ncauj, ua rau muaj kev cuam tshuam nrog diisocyanates.
- DiisocyanatesCov tshuaj reactants tseem ceeb uas sib xyaw nrog polyols los tsim cov ua npuas ncauj.
- Cov neeg sawv cev ua npuas ncauj: Cov no pab tsim cov qauv cellular ntawm cov ua npuas ncauj.
- Cov tshuaj surfactantsUa kom lub npuas ruaj khov thaum lub sijhawm nws nthuav dav.
- Cov tshuaj catalystsUa kom cov tshuaj tiv thaiv ntawm polyols thiab diisocyanates sai dua, kom ntseeg tau tias muaj cov ua npuas zoo tshaj plaws.
- Cov khoom siv tawv: Cov khoom sib txuas thiab cov saw hlau txuas ntxiv yog siv los txhim kho kev ua npuas ncauj thiab kev ua tau zoo.
Thaum cov khoom xyaw no sib xyaw ua ke, lawv ua rau muaj kev sib xyaw ua ke, tsim kom muaj cua sov, roj, thiab cov qauv ua npuas ncauj. Cov tshuaj catalysts zoo li peb cov MXC-A33 thiab MXC-T pab txhawb qhov kev sib xyaw ua ke no, ua kom muaj kev tswj hwm thiab ua haujlwm tau zoo.
Cov Kev Siv Catalyst hauv Polyurethane Ua Npuas Ncauj
Ua npuas dej polyurethane muaj ob hom tseem ceeb: tawv thiab yoog tau. Cov kev siv ntau yam los ntawm kev rwb thaiv tsev hauv kev tsim kho (ua npuas dej tawv) mus rau kev ua kom lub hauv ncoo hauv rooj tog thiab sab hauv tsheb (ua npuas dej yoog tau). Peb cov catalysts tau tsim los kom haum rau ntau yam kev xav tau:
-MXC-A33:Ib qho tshuaj catalyst muaj 33% TEDA (triphenylenediamine) thiab 67% DPG (monoconjugated dipropylene glycol), tsim tshwj xeeb rau polyurethane ua npuas ncauj thiab polyurethane elastomers. Siv dav hauv cov mos, semi-rigid, rigid polyurethane ua npuas ncauj, txheej, elastomer.
-MXC-T:Nws yog ib qho tshuaj catalyst amine uas ua haujlwm tau zoo, tsis muaj pa phem uas muab cov kab ua haujlwm du thiab yog li ntawd siv tau los tsim ntau hom polyurethane ua npuas ncauj. Nws cov haujlwm catalytic txhawb nqa cov tshuaj tiv thaiv ntawm urea (dej-isocyanate), uas yooj yim ua rau cov polymer matrix vim nws cov hydroxyl pawg nquag. Vim li no, TMAEA yog siv los tsuag cov khoom rwb thaiv tsev ua npuas ncauj, cov dashboards tsheb, thiab lwm qhov chaw uas xav tau cov ntxhiab tsw qab tsawg..
Cov tshuaj polyurethane catalysts ua kom muaj kev sib xyaw ua ke zoo, kho cov yam ntxwv ntawm cov ua npuas ncauj xws li qhov ceev, qhov tawv, thiab kev ruaj khov ntawm cov qauv. Qhov kev ua kom raug no ua rau cov ua npuas ncauj polyurethane ua tau raws li qhov xav tau ntawm cov lag luam niaj hnub no, suav nrog kev tsim kho, tsheb, rooj tog, thiab kev ntim khoom.
Txog Peb
Peb yog ib lub tuam txhab ua khoom siv polyurethane catalysts uas ua haujlwm tau zoo, thiab peb cog lus tias yuav muab cov kev daws teeb meem tshiab rau ntau yam kev siv hauv kev lag luam. Peb cov khoom lag luam dav dav pab cov tuam txhab tsim khoom kom ua tau zoo dua qub thaum ua tau raws li cov qauv ib puag ncig thiab kev cai lij choj.
Lub sijhawm tshaj tawm: Lub Kaum Hli-23-2024