Ua ntej yuav tsim cov kuab tshuaj-dawb, nws yog qhov tsim nyog kom ua tib zoo nyeem cov txheej txheem cov ntaub ntawv thiab cov kev siv hluav taws xob, cov huab cua, kho cov xwm txheej, thiab cov txheej txheem kev kho mob, thiab cov txheej txheem kev kho mob. Ua ntej ntau lawm, nws yog qhov tsim nyog los xyuas kom meej tias cov nplaum cov khoom siv yog pub dawb los ntawm kev txawv txav. Thaum muaj kev txawv txav tsis zoo cuam tshuam rau viscosity pom, lawv yuav tsum tau nres tam sim ntawd thiab txuas lus nrog lub tuam txhab cov neeg ua haujlwm ntawm cov tswv cuab. Ua ntej siv cov kuab tshuaj dawb laminating, nws yog qhov tsim nyog yuav tsum muaj kev sib xyaw ua ke, gluing system, thiab cov lus ci ua ntej. Ua ntej kev tsim cov kuab tshuaj tiv thaiv-dawb, nws yog ib qhov tsim nyog los xyuas kom meej tias cov npoo ntawm cov roj hmab chais, cov chais sib khawm, thiab lwm yamCheebtsam ntawm cov cuab yeej ntawm cov kuab tshuaj ntsuab composite tshuab yog huv.
Ua ntej pib nce, nws yog ib qhov tsim nyog kom paub meej tias dua seb puas zoo ntawm cov khoom siv sib xyaw ua ke tau kev cai ntawm kev tsim khoom. Qhov nro ntawm zaj duab xis feem ntau yuav tsum muaj ntau dua 40 dynes, thiab tus tsiaj cov yeeb yaj kiab yuav tsum muaj ntau dua 50 dynes. Ua ntej pawg ntau lawm, kev ntseeg tau ntawm zaj duab xis yuav tsum tau kuaj los ntawm kev sim kom tsis txhob muaj kev pheej hmoo. Txheeb xyuas cov kev puas tsuaj lossis kev txawv txav hauv cov nplaum. Yog tias muaj qhov txawv txav tau pom, muab cov nplaum pov tseg thiab ntxuav cov tshuab sib xyaw. Tom qab paub tseeb tias tsis muaj qhov txawv txav hauv lub khob nplaum, siv lub khob pov tseg los tshawb xyuas seb cov kab sib xyaw ua ke yog qhov tseeb. Ntau lawm tsuas tuaj yeem ua tom qab kev sib txawv sib txawv yog tsis pub dhau 1%.
Thaum lub sijhawm cov txheej txheem tsim khoom, nws yog qhov tsim nyog kom paub meej tias cov khoom lag luam zoo. Tom qab ib txwm compound ntawm 100-150m, lub tshuab yuav tsum nres kom paub meej tias cov ntawv sib xyaw, cov nyiaj, cov nyiaj, thiab lwm yam ntawm cov khoom lag luam. Thaum lub sijhawm cov txheej txheem ntau lawm, suav nrog cov ntsuas kub ib puag ncig, yuav tsum sau cia kom yooj yim rau cov teeb meem kev ua haujlwm thiab kev txheeb xyuas cov teeb meem zoo.
Cov kev ntsuas kev ua haujlwm xws li kev siv thiab chaw cia khoom ntawm cov nplaum, lub sijhawm ua haujlwm, thiab cov nplaum ua haujlwm, thiab cov nplaum ua haujlwm, thiab piv ntawm cov nplaum dawb yuav tsum xa mus rau cov khoom ntawm phau ntawv qhia. Cov av noo nyob rau hauv ib puag ncig ib puag ncig yuav tsum tau tswj hwm ntawm 40% -70%. Thaum cov av noo yog ≥ 70%, sib txuas lus nrog lub tuam txhab cov kws ua haujlwm ntawm isocyanate (Kangda cov khoom siv tshiab (Kangda cov khoom siv tshiab), thiab paub meej tias nws siv me me-ntsuas ua ntej siv. Thaum ib puag ncig cov av noo yog ≤ 30%, sib txuas lus nrog lub tuam txhab cov kws ua haujlwm ntawm hydroxyl (B tivthaiv), thiab paub meej tias nws los ntawm kev sim ua ntej kev siv. Cov khoom yuav tsum tau ua kom zoo nrog kev saib xyuas nrog kev thauj mus los thiab thau khoom, kom tsis txhob muaj kev sib tsoo, thiab ua kom tiv thaiv cua thiab tshav ntuj. Nws yuav tsum tau muab cia rau hauv txias, cua, thiab cov xwm txheej qhuav, thiab khaws cia rau lub sijhawm khaws cia ntawm 6 lub hlis. Tom qab cov kev ua haujlwm sib xyaw ua tiav, qhov ntsuas kub yog 35 ° C-50 ° C-50 ° yog hloov kho raws li cov sib xyaw sib txawv substrates. Kev kho cov av noo feem ntau tswj tau ntawm 40% -70%.
Lub Sijhawm Post: Jan-25-2024