Tsawg Dawb TDI Polyurethane Prepolymersyog cov chav kawm nce qib uas ua tiav cov kev sib tawg hauv ob qho tib si kev ua tau zoo thiab kev nyab xeeb. Tsoos Tdi Prepolymers nthuav tawm cov kev ua tau zoo, thiab feem ntau muaj cov qib siab ntawm cov seem pub dawb pub dawb. Thaum kev tsim khoom thiab kev ua haujlwm, cov khoom plig no tso tawm cov cua teeb meem, cov kev pheej hmoo ntawm cov neeg ua haujlwm noj qab haus huv thiab ib puag ncig kev noj qab haus huv. Tsawg - free tdi dawb tau tsim los ua cov tshuaj kho kom zoo dua rau cov teeb meem no. Los ntawm kev sib cais siab thiab kev tswj cov thev naus laus zis, cov ntsiab lus TDI pub dawb yog txo qis, tsim kev nyab xeeb ua haujlwm ib puag ncig thaum khaws cov kev ua tau zoo ntawm TDI.
Piv nrog cov tshuab sib xyaw, qis -}} free tdi prepolymers muaj qhov zoo siv. Ua ntej, lub siab txo cov ntsiab lus tseem ceeb cov neeg ua haujlwm nqus tau cov kev phom sij, yog li kev txhim kho kev nyab xeeb tshaj plaws. Thib ob, cov kab ke no qhia txog qis viscosity thiab ntev ntev lub neej ntev dua, txhim kho cov txheej txheem yooj yim dua, thiab txo cov nqi sib xyaw ua ke, thiab txo cov nqi sib xyaw. Tsis tas li ntawd, cov tshuaj tiv thaiv qis thaum lub sij hawm ua rau muaj kev kho kom zoo dua hauv cov pwm, ua rau muaj kev ruaj khov nrawm dua thiab muaj kev ruaj khov zoo dua qub. Cov yam ntxwv no tsis tsuas yog nce kev ua tau zoo tab sis kuj txo qis kev ua cov teeb meem thiab cov nqi.
Nyob rau hauv cov nqe lus ntawm kev ua tau zoo, qis -}} dawb tsis kam, muaj kev cuam tshuam zoo ntawm tdi systems txuas ntxiv- kev cuam tshuam thiab thov kev pabcuam siab. Lawv cov qauv ntaub ntawv muab cov kua muag zoo tshaj plaws thiab nkees ua kom tsis kam, ua rau lawv haum rau ntev- TSHOOJ siv hauv cov nra hnyav. Nyob rau tib lub sijhawm, lawv tswj hwm zoo nkauj thiab yoog raws li kev ua tiav, tso cai kho kom haum rau kev tawv thiab ua tau zoo los ntawm kev sib txawv ntawm kev lag luam sib txawv.
Tam sim no, qis {-}} dawb tdi polyurethane precorhaners yog muaj nyob rau hauv ob series: polyer}} Raws thiab polyester-. Polyether {{{}} bedit cov khoom yog paub rau cov kev pab cuam lub neej zoo tshaj plaws, feem ntau yog cov ntsaws ruaj ruaj thiab conveyor Liners. Polyester {{{}} Cov khoom siv muab cov ris zoo dua thiab muaj zog rau kev siv tshuab, thiab cov ntawv siv tshuab loj. Ua ke, ob phau ntawv ob cov khoom lag luam no muaj cov neeg xaiv kev xaiv dav ntawm cov kev daws teeb meem.
Daim ntawv thov tau txais ntawm tsawg -}} dawb tdi polyurethane expolymers yog dav- langing. Lawv tau siv dav hauv kev tsim qauv thiab txoj siv hluav taws xob, muab tshem tawm kev ua tsis kam, siab kuj, thiab nkees tsis kam rau kev lag luam conveying tshuab. Hauv cov khoom tuav thiab tsheb thauj mus los, lawv tuaj yeem tsim mus rau hauv high {{{{{5- 60 6} 60 6}} lo lus tau txais txiaj ntsig zoo ntawm cov cuab yeej. Nyob rau hauv cov roj thiab roj kev lag luam, lawv txoj kev tawm tsam, lawv cov roj thiab hnav ua rau lawv zoo tagnrho rau cov ntsaws, thiab cov ntsaws ruaj ruaj. Nyob rau hauv tsuas thiab siv machinery, qis {{9} Cov tshuab pub dawb tuaj yeem txuas ntxiv rau cov chaw hnav, txo cov khoom siv tu cov cuab yeej. Tsis tas li ntawd, hauv cov ntawv kev lag luam, cov zaub ua los ntawm qis -}} kav ntev ntawm- ceev daim ntawv machine.