Aluminium-yas composite board yog cov khoom siv kho kom zoo nkauj tshiab. Vim nws muaj zog zoo nkauj, muaj yeeb yuj, ruaj, lub teeb yuag thiab yooj yim rau txheej txheem, nws tau tsim sai heev thiab dav siv nyob rau hauv tsev thiab txawv teb chaws.
Nyob rau hauv lub qhov muag ntawm layman, zus tau tej cov aluminium-yas composite board yog heev yooj yim, tab sis qhov tseeb nws yog ib tug heev technical cov ntsiab lus ntawm cov khoom tshiab. Yog li ntawd, kev tswj xyuas zoo ntawm aluminium-yas composite vaj huam sib luag khoom muaj qee yam kev nyuaj.
Hauv qab noyogcov yam cuam tshuam rau 180 ° tev lub zog ntawm aluminium - yas puasvaj huam sib luag:
Qhov zoo ntawm aluminium ntawv ci nws tus kheej yog ib qho teeb meem. Txawm hais tias qhov no yog qhov teeb meem tseem ceeb, nws tau tshwm sim hauv qhov zoo ntawm aluminium-yas panels. Ntawm ib sab, nws yog cov txheej txheem kev kho cua sov ntawm aluminium. Ntawm qhov tod tes, qee qhov txhuasvaj huam sib luags thiab cov chaw tsim khoom siv cov khoom siv txhuas rov ua dua tshiab yam tsis muaj kev tswj xyuas nruj. Qhov no yuav tsum muaj cov chaw tsim khoom lag luam aluminium yas board los ua qhov kev ntsuam xyuas dav dav ntawm cov chaw tsim khoom, tsim kom muaj kev sib cuag nrog kev lag luam thiab xyuas kom meej cov khoom zoo tom qab txiav txim siab cov neeg ua haujlwm tsim nyog.
Pretreatment ntawm aluminiumvaj huam sib luag. Kev tu thiab lamination zoo ntawm aluminiumvaj huam sib luagyog ncaj qha ntsig txog cov khoom zoo ntawm aluminium yasvaj huam sib luag. Qhov aluminiumvaj huam sib luagyuav tsum tau ntxuav ua ntej kom tshem tawm cov roj stains thiab impurities ntawm qhov chaw, yog li ntawd lub nto tsim ib tug ntom tshuaj txheej, yog li ntawd cov polymer zaj duab xis yuav tsim ib tug zoo daim ntawv cog lus. Txawm li cas los xij, qee cov tuam txhab lag luam tsis nruj me ntsis tswj qhov kub thiab txias, concentration, lub sijhawm kho thiab hloov kho cov kua dej thaum lub sijhawm ua ntej, yog li cuam tshuam rau kev tu kom zoo. Tsis tas li ntawd, qee cov tuam txhab lag luam tshiab siv cov ntawv txhuas ncaj qha yam tsis muaj pretreatment. Tag nrho cov no yuav inevitably ua rau tsis zoo, tsis tshua muaj 180 ° tev lub zog los yog instability ntawm cov composite.
Kev xaiv cov khoom tseem ceeb. Piv nrog rau lwm cov khoom yas, cov ntaub ntawv polymers zoo tshaj plaws rau polyethylene, yog pheej yig, tsis muaj tshuaj lom thiab yooj yim rau txheej txheem. Yog li cov khoom tseem ceeb yog polyethylene. Txhawm rau txo cov nqi, qee cov tuam txhab me me xaiv PVC, uas muaj kev sib txuas tsis zoo thiab tsim cov pa roj carbon monoxide thaum hlawv, lossis xaiv PE cov ntaub ntawv siv los yog siv PE raw cov ntaub ntawv sib xyaw nrog cov substrate. Vim muaj ntau hom PE, kev laus qib thiab lwm yam, qhov no yuav ua rau qhov sib txawv ntawm qhov sib txawv, thiab qhov kawg ntawm qhov sib xyaw ua ke zoo yuav tsis ruaj khov.
Kev xaiv ntawm polymer zaj duab xis. Polymer zaj duab xis yog ib hom ntawm cov khoom siv nplaum nrog cov khoom tshwj xeeb, uas yog qhov tseem ceeb cuam tshuam rau qhov zoo ntawm cov khoom sib xyaw. Polymer zaj duab xis muaj ob sab thiab yog ua los ntawm peb co-extruded txheej. Ib sab yog sib txuas nrog hlau thiab lwm sab yog sib txuas nrog PE. Qhov nruab nrab txheej yog PE puag khoom. Cov khoom ntawm ob sab yog txawv kiag li. Muaj qhov sib txawv loj ntawm cov khoom siv ntawm ob sab. Cov ntaub ntawv ntsig txog aluminiumvaj huam sib luagkev cob qhia yuav tsum tau tuaj yeem thiab kim. Cov khoom sib xyaw nrog PE tuaj yeem tsim nyob rau hauv Suav teb. Yog li ntawd, qee cov tuam txhab ua yeeb yaj kiab polymer ua rau muaj kev ntxhov siab txog qhov no, siv ntau cov khoom siv PE molten, txiav cov ces kaum thiab tau txais txiaj ntsig loj. Kev siv cov yeeb yaj kiab polymer yog kev taw qhia thiab lub hauv ntej thiab nraub qaum tsis tuaj yeem hloov tau. Polymer zaj duab xis yog ib hom ntawm nws tus kheej-decomposition zaj duab xis, tsis tiav melting yuav ua rau tsis tseeb recombination. Thaum ntxov lub zog yog siab, lub sij hawm ntev, lub zog yog txo los ntawm huab cua, thiab txawm tias npuas los yog cov pos hniav tshwm sim.
Post lub sij hawm: Lub Xya hli ntuj-22-2022