2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-09 13:23
Thaum ua tiav kev ua tiav ntawm cov ntoo ntoo, cov xim pleev xim dej yog qhov kev xaiv zoo tshaj plaws rau xim thiab cov kua roj vanish. Ntau hom dej-soluble dyes tau npaj rau kev kho sab nrauv thiab sab hauv. Lawv qhov sib txawv ntawm cov xim nitro, alkyd thiab cov xim sib xyaw ua ke yog tias cov xim pleev xim hauv dej tsis muaj cov tshuaj lom uas muaj cov tshuaj tsis haum ua rau muaj kev phom sij rau tib neeg kev noj qab haus huv. Ntxiv nrog rau qhov tseeb tias cov xim pleev xim dej yog cov xim tsis muaj ntxhiab, lawv, tsis zoo li cov lus sib piv saum toj no, tsis muaj cov tshuaj sib txuas hluav taws kub thiab yog li ntawd yog cov xim tsis tuaj yeem tiv taus.
Ntau yam thiab cov yam ntxwv ntawm cov xim sib xyaw
Tus tuav, nrog rau cov xim xim hauv cov xim no, yaj hauv cov dej ib txwm muaj, yog li ntawd tag nrho cov zas zas yog cov pab pawg ntawm cov dej uas tuaj yeem sib faib tau, thaum seem ntawm cov hom yog ua los ntawm cov kuab tshuaj. Cov xim ntoo yog hu ua xim dej yog tias phau ntawv ua kua hauv nws.
Hauv kev tsim cov xim pleev xim dej, siv cov yas yas . Lawv tuaj yeem yog ob qho tib si polymer dag thiab cov roj hmab ntuj. Kev tsim cov zaj duab xis tiv taus ntawm cov xim pleev xim rau ntoo tau tshwm sim vim yog cov nplaum ntawm cov kua roj hmab sib txuas rau ib leeg thaum lub sijhawm ua kom dej thaum cov xim pleev xim qhuav.
Kev faib ua hom dej-cov xim pleev xim thiab cov kua roj vanish nyob ntawm qhov xwm txheej ntawm phau ntawv hauv cov xim.
Qhov sib txawv nyob ntawm qhov ua tau zoo ntawm cov xim no. Qee tus ntawm lawv, vim lawv cov dej tsis kam tiv taus, tuaj yeem siv tshwj xeeb rau cov ntoo ntoo sab hauv, thaum lwm tus kuj tsim nyog rau sab nrauv, sab nraum phab ntsa ntawm chav, kho kom zoo nkauj.
Acrylic
Kev sib xyaw xim acrylic yog qhov txawv los ntawm qhov pom zoo ntawm tus nqi thiab qhov zoo. Lawv tau tsim los ntawm cov xim, polyacrylates thiab fillers. Cov tom kawg ua haujlwm los tsim cov xim pleev xim du thiab tiv thaiv ntoo los ntawm pwm thiab lwm yam kab mob. Qhov muaj pes tsawg leeg ntawm cov xim acrylic kuj suav nrog cov defoamers, nplaim hluav taws thiab lwm yam tshuaj ntxiv.
Qhov zoo ntawm hom xim no yog lawv qhov kev ua tau zoo thiab tus nqi qis dua piv rau lwm cov dej-cov xim sib faib thiab cov kua roj vanish. Cov xim pleev xim acrylic ntawm cov ntoo qhuav sai heev (yog li ob peb lub tsho loj tuaj yeem siv rau ib hnub) thiab ruaj khov.
Tom qab ziab, acrylic tsim cov txheej tuab uas tiv taus rau hluav taws xob ultraviolet, noo noo, qhov kub thiab txias thiab cov nyom kev ua haujlwm.
Cov xim zoo li tuaj yeem yog xim dub lossis dawb, ntxiv rau, nws muaj peev xwm ntxiv lwm cov xim rau nws. Cov txheej txheej acrylic lo rau saum npoo av hauv txheej nyias thiab tso cai rau koj kom tswj tau qhov kev ntxhib los mos ntawm ntoo. Txawm li cas los xij, nrog rau qhov tshwm sim ntawm kev ntxhib los mos, txhua qhov tsis xws luag ntawm cov ntoo saum npoo kuj tau qhia tawm, uas yog qhov tsis txaus ntseeg qhov tsis zoo ntawm cov zas xim.
Thaum xaiv cov xim pleev xim acrylic, uas, rau qhov laj thawj saum toj no, tsim nyog rau kev kho sab nrauv thiab sab hauv thiab ua haujlwm tiav, nws yuav tsum nco ntsoov tias tom qab ziab, nws qhov ntxoov ntxoo hloov pauv. Yog li, txhawm rau zam kev ua yuam kev, pleev xim me me nrog nws thiab saib yuav ua li cas tom qab cov xim tau qhuav.
Latex
Polyacrylates yog ib yam khoom siv hluavtaws latex, tab sis qhov no, xim pleev xim yog hais txog cov khoom siv raws li styrene-butadiene. Cov txheej txheem dej-raws li tus nqi pheej yig dua li acrylics, tab sis lawv kuj tsim cov xim tsis ruaj khov.
Styrene-butadiene yog cov dej noo tiv taus, hnav tiv taus thiab ywj. Nws tuaj yeem ua haujlwm ntawm qhov chaw tsis sib xws, pleev xim rau phab ntsa ntoo lossis qab nthab. Nws tuaj yeem raug ntxuav, thiab kev pabcuam lub neej ntawm cov txheej txheej no ntev heev.
Txawm li cas los xij, cov xim pleev xim tawg los ntawm qhov kub dhau thiab hloov daj los ntawm hluav taws xob ultraviolet, yog li nws tuaj yeem siv tshwj xeeb hauv tsev.
Dyes raws li cov roj hmab dawb tsis yog li ntawd . Feem ntau, txhawm rau txhawm rau txo tus nqi ntawm cov khoom lag luam thiab tswj hwm nws cov yam ntxwv zoo, ntau hom roj hmab dag tau sib xyaw ua ke hauv ib qho. Ib qho piv txwv yog xim pleev xim acrylic. Hauv nws qhov muaj pes tsawg leeg, styrene-butadiene tau ua ke nrog acrylates, yog li nws tuaj yeem siv rau kev ua haujlwm sab nraum zoov ib yam.
Silicone
Cov no yog cov sib xyaw ua raws organopolysiloxanes lossis silicones. Polymers ntawm chav kawm no yog qhov tiv taus tshaj rau noo noo. Lawv muaj peev xwm tsim ib txheej ntawm cov yeeb yaj kiab tu tus kheej ntawm cov ntoo uas lawv pleev xim. Yog li ntawd, cov xim zoo li no tau siv rau lub ntsej muag.
Cov zas no hloov pauv tau zoo thiab tiv thaiv ntoo los ntawm cov pwm thiab lwm yam kab mob me me, lawv yog cov pa-permeable thiab antistatic. Cov nplaim npog nrog cov xim silicone tiv taus qhov hloov pauv kub thiab yuav tsis deform ntawm qhov kub. Cov kev pab cuam lub neej ntawm cov xim silicone ncav cuag 25 xyoo, thaum lub sijhawm cov xim no, uas yog qhov txawv los ntawm lawv qhov kev ua tau zoo, khaws lawv thawj qhov ci thiab xim xim. Zoo li acrylic, cov xim silicone tau muag dawb, tab sis lawv kuj tuaj yeem pleev xim siv cov xim RAL.
Ntshiab silicone yog cov khoom siv kim heev; yog li ntawd, cov tshuaj pleev xim acrylic uas muaj cov organopolysiloxanes me me ntxiv rau lawv yog cov khoom loj. Qhov no tso cai rau koj txhawm rau txhim kho qhov ua tau zoo ntawm cov qauv txheej txheem dej nrog qhov nce me ntsis hauv nws cov nqi.
Polyvinyl acetate hmoov
Hom xim pleev xim dej no yog ib qho khoom siv zoo tshaj plaws rau kev ua ntoo sab hauv. Cov khoom ntawm polyvinyl acetate cov xim sib xyaw ua ke yog nyob ntawm cov yas yas ntxiv rau lawv, thiab lawv cov yam ntxwv tshwj xeeb yog hluav taws kev nyab xeeb thiab tiv taus tshuaj tua kab mob, hloov pauv thiab hnav tsis kam. Cov xim no tiv taus UV hluav taws xob thiab tsim cov nplaum zoo rau cov ntoo.
Sib txawv los ntawm lwm cov khoom siv yas hauv lawv cov xim ci tshaj plaws, lawv muaj tus nqi qis.
Txawm li cas los xij, cov npe ntawm qhov tsis zoo ntawm hom xim no kuj tseem dav heev:
- Lub hauv paus tseem ceeb yog tiv taus ya raws qis. Yog tias lwm cov dej sib faib sib xyaw ua ke tuaj yeem yaj hauv dej tsuas yog kom txog thaum lawv qhuav, tom qab ntawd polyvinyl acetate dyes tuaj yeem ntxuav tau yooj yim nrog dej txawm tias tom qab ob peb xyoos ntawm kev pleev xim nrog lawv.
- Lawv kuj ntshai ntawm qhov kub tsis txias, yog li cov zas xim no tsis haum rau siv sab nraum zoov.
Ntxiv nrog rau cov ntaub ntawv saum toj no, kev tsim cov dej sib faib ua xim tuaj yeem ua raws isoprene, urethane thiab lwm yam khoom siv hluavtaws roj hmab thiab ntau yam sib xyaw ua ke ntawm cov polymers no. Qhov xwm txheej no cuam tshuam rau cov khoom ntawm cov khoom pleev xim tsis tseem ceeb. Txhua tus ntawm lawv tau ua pov thawj lawv tus kheej zoo kawg nkaus thaum ua haujlwm ntoo: lawv tiv thaiv nws los ntawm kev lwj, yooj yim muab nws cov xim uas xav tau thiab tsis ua kom huab cua muaj pa phem. Vim li no, cov dyes no yog cov khoom siv zoo tshaj plaws.
Raws li cov xim pleev xim, muaj lwm cov xim pleev xim rau cov ntoo ntoo - ntoo stain . Nws tsis tuaj yeem tiv thaiv ntoo los ntawm kev puas tsuaj, tab sis nws muab nws qhov ntxoov ntxoo zoo nkauj thaum tswj nws cov kev ntxhib los mos. Yog li ntawd, cov stain yog ib qho ntawm cov khoom siv tiav. Qhov saum npoo pleev xim nrog xim yog ntxiv rau qhib nrog cov kua roj vanish.
Pom zoo:
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Yacht cov kua roj vanish rau sab hauv ntoo yog txhais tau tias khaws cia cov ntoo zoo, nrog rau kev tiv thaiv dej thiab lwm yam kev kub ntxhov. Cov kua roj vanish twg tsuas yog siv rau sab nraum zoov? Qhov kev xaiv twg yog siv rau kev ua haujlwm sab hauv?
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Cov kua roj vanish tsim kom muaj zog thiab ruaj khov tiv thaiv txheej. Hom kev sib xyaw twg tuaj yeem pom ntawm kev ua lag luam niaj hnub no? Qhov zoo ntawm cov khoom siv no yog dab tsi? Yuav xaiv qhov kev xaiv zoo li cas? Cov yam ntxwv ntawm txheej txheem txheej hlau nrog cov kua roj vanish yog dab tsi?
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Ntoo cov kua roj vanish tso cai rau koj muab ntoo ntoo lub zog, kev ntseeg tau, thiab tseem muaj qhov ntxim nyiam. Nws cov yam ntxwv yog dab tsi? Hom twg xav tau? Rau lub hom phiaj twg yog matte dawb polyurethane compound haum? Cov kua roj vanish twg yog siv rau kev ua ntoo? Yuav xaiv qhov ntxuav li cas?
