Organosilicon Enamel: Cov Yam Ntxwv Ntawm Cov Hniav KO 983, 174, 814, 198, 818, 8104, 168, 88

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41

Txog rau hnub tim, cov tuam ntxhab muab cov xim tha xim thiab cov xim sib txawv ntawm ntau yam sib xyaw thiab cov khoom, siv rau ntau hom kev ua tiav. Tej zaum qhov tshwj xeeb tshaj plaws ntawm txhua qhov kev xaiv muaj nyob hauv kev tsim kho kev lag luam yog cov paj ntoo organosilicon, tsim nyob rau xyoo dhau los thiab txhim kho tas li vim suav nrog cov khoom ntxiv hauv nws cov muaj pes tsawg leeg.

Nta thiab muaj pes tsawg leeg

Txhua yam hniav txha hniav laus, thiab organosilicon tsis muaj qhov tshwj xeeb, muaj qee qhov muaj pes tsawg leeg, uas cov xim ntawm cov xim thiab cov khoom siv kua nplaum nyob ntawm.

Cov organic resins tau suav nrog hauv kev sib xyaw ntawm ntau hom enamels , tiv thaiv kev puas tsuaj ntawm daim ntawv thov txheej txheej thiab pab txo lub sij hawm ziab ntawm cov ntawv thov. Ntxiv rau cov organic resins, cov tshuaj xws li anti-cellulose lossis acrylic resin tau ntxiv rau cov xim pleev xim. Lawv nyob hauv cov hniav txha hniav laus yog qhov tsim nyog rau kev tsim cov yeeb yaj kiab haum rau huab cua kom qhuav. Cov carbamide resins suav nrog hauv cov txhauv ua rau nws muaj peev xwm ua kom nce qhov tawv ntawm cov zaj duab xis txheej tom qab ziab rau saum npoo ntawm cov khoom uas tau ua xim.

Ib qhov tshwj xeeb ntawm txhua hom organosilicon txha hniav laus yog lawv tiv taus kom sov. Lub xub ntiag ntawm polyorganosiloxanes hauv kev sib xyaw ua ke muab cov xim pleev xim rau saum npoo nrog kev ruaj ntseg uas ua rau lub sijhawm ntev dua.

Ntxiv rau cov npe teev tseg, muaj pes tsawg leeg ntawm organosilicon enamels suav nrog ntau yam xim .muab qhov ntxoov ntxoo rau cov xim pleev xim rau. Lub xub ntiag ntawm cov tawv tawv nyob hauv cov xim txha hniav laus tso cai rau koj khaws cov xim xaiv rau saum npoo ntev.

Pros thiab cons ntawm kev siv

Daim ntawv thov organosilicon txha hniav laus rau saum npoo tso cai rau koj los tiv thaiv cov khoom los ntawm ntau yam tsis zoo, thaum tswj xyuas qhov tsos ntawm cov xim pleev xim rau. Qhov muaj pes tsawg leeg ntawm cov hniav txha hniav laus tau thov rau saum npoo ua cov yeeb yaj kiab tiv thaiv uas tsis ua rau muaj kev cuam tshuam ntawm qhov kub thiab txias tsawg. Qee hom kev txhuam hniav ntawm hom no tuaj yeem tiv taus cua sov txog +700? C thiab rau caum-degree te.

Txhawm rau pleev xim rau saum npoo, nws tsis tas yuav tsum tau tos rau qee qhov xwm txheej zoo, nws tsuas yog txaus kom haum rau ntawm thaj tsam ntawm +40 ° C txog -20 ° C degrees, thiab cov khoom yuav tau txais txheej txheej tsis tsuas yog rau kub, tab sis kuj kom noo. Kev tiv thaiv ya raws zoo tshaj yog lwm qhov zoo ntawm cov paj ntoo organosilicon.

Ua tsaug rau cov khoom suav nrog hauv qhov muaj pes tsawg leeg, txhua hom kev pleev xim muaj ntau dua lossis tsawg dua tiv thaiv hluav taws xob ultraviolet, uas tso cai rau lawv siv rau pleev xim rau cov khoom sab nraum zoov. Cov xim pleev xim tsis hloov qhov ntxoov ntxoo uas tau txais dhau sijhawm. Cov xim palette dav tsim los ntawm cov tuam ntxhab ntawm cov hniav no tso cai rau koj xaiv cov xim lossis ntxoov ntxoo yam tsis muaj teeb meem ntau.

Ib qho txiaj ntsig tseem ceeb ntawm cov paj ntoo organosilicon yog kev siv qis thiab tus nqi tsim nyog, yog li ntawd qhov kev xaiv ntawm hom tsim nyog tsim nyog yog kev nqis peev uas muaj txiaj ntsig piv rau cov xim thiab cov xim sib xws.

Cov nplaim npog nrog cov kua nplaum organosilicon tuaj yeem tiv taus yuav luag txhua qhov kev txhoj puab heev ib puag ncig, thiab rau cov txheej txheem hlau nws tsis tuaj yeem hloov pauv tau. Kev tiv thaiv kev tiv thaiv xeb ntawm cov hlau nto, muab los ntawm txheej txheej txha hniav laus, tiv thaiv cov qauv rau lub sijhawm ntev. Lub neej ua haujlwm ntawm cov hniav txha hniav laus nce mus txog 15 xyoos.

Ib yam khoom xim thiab kua roj vanish, ntxiv rau cov yam ntxwv zoo, muaj qhov tsis zoo . Ntawm qhov tsis zoo, ib tus tuaj yeem ceeb toom qhov muaj tshuaj lom siab thaum pleev xim rau xim qhuav. Ntev kev sib cuag nrog cov qauv tsim ua rau muaj qhov tshwm sim ntawm cov tshuaj tiv thaiv zoo ib yam li kev quav tshuaj, yog li ntawd, thaum ua haujlwm nrog cov qauv no, nws yog qhov zoo dua los siv lub tshuab nqus pa, tshwj xeeb tshaj yog yog cov txheej txheem staining tau ua hauv tsev.

Hom thiab yam ntxwv yam ntxwv

Txhua cov kab mob organosilicon tau muab faib ua hom nyob ntawm lub hom phiaj thiab cov khoom. Cov tuam txhab tsim cov tshuaj pleev xim no cim cov pob nrog cov tsiaj ntawv loj thiab lej. Cov tsiaj ntawv "K" thiab "O" qhia txog lub npe ntawm cov khoom, uas yog cov kua nplaum organosilicon. Thawj tus lej, sib cais los ntawm tus cim cim tom qab tsab ntawv sau tseg, qhia txog hom haujlwm uas cov qauv no tau npaj tseg, thiab nrog kev pab ntawm tus lej thib ob thiab tom qab, cov tuam txhab tsim cov lej txhim kho. Cov xim pleev xim tau qhia los ntawm kev sau tsab ntawv tag nrho.

Niaj hnub no muaj ntau cov hniav sib txawv uas tsis tsuas yog lub hom phiaj sib txawv, tab sis kuj txawv ntawm ib leeg hauv cov yam ntxwv tshwj xeeb.

Hniav KO-88 tsim los tiv thaiv titanium, txhuas thiab hlau nto. Qhov muaj pes tsawg leeg ntawm hom no suav nrog cov kua roj vanish KO-08 thiab txhuas hmoov, vim qhov txheej txheej ruaj khov (qib 3) tau tsim tom qab 2 teev. Cov yeeb yaj kiab tau tsim rau saum npoo yog tiv taus cov roj av tsis ntxov dua tom qab 2 teev (ntawm t = 20 ° C). Qhov saum npoo nrog txheej txheej thov tom qab kis tau 10 teev muaj qhov cuam tshuam lub zog ntawm 50 kgf. Kev tso cai khoov ntawm zaj duab xis yog tsis pub dhau 3 hli.

Lub Hom Phiaj txha hniav laus KO-168 muaj nyob rau hauv pleev xim rau lub ntsej muag sab nrauv, ntxiv rau, nws tiv thaiv cov hlau txheej txheem. Lub hauv paus ntawm kev sib xyaw ntawm hom no yog hloov cov kua roj vanish, uas muaj cov xim thiab cov muab tshuaj nyob hauv daim ntawv ntawm kev tawg. Cov txheej txheej ruaj khov tau tsim ua ntej ua ntej tom qab 24 teev. Kev ruaj ntseg ntawm zaj duab xis txheej rau cov dej zoo li qub pib tom qab tib lub sijhawm ntawm t = 20 ° C. Kev tso cai khoov ntawm zaj duab xis yog tsis pub dhau 3 hli.

Hniav KO-174 ua ib qho kev tiv thaiv thiab ua kom zoo nkauj thaum pleev xim rau sab nrauv, ntxiv rau, nws yog cov khoom tsim nyog rau txheej hlau thiab txheej txheej galvanized thiab siv rau tha xim sab nrauv ua los ntawm cov pob zeb lossis asbestos-cement. Cov txha hniav laus muaj cov kua roj organosilicon, uas muaj cov xim thiab cov muab tub lim nyob rau hauv daim ntawv ntawm kev ncua. Tom qab 2 teev nws tsim cov txheej txheem ruaj khov (ntawm t = 20 ° C), thiab tom qab 3 teev cov cua sov ua haujlwm ntawm zaj duab xis nce mus rau 150 ° C. Cov txheej tsim muaj cov xim matte, yog qhov tshwj xeeb los ntawm kev ua kom tawv thiab ua kom ntev.

Txhawm rau tiv thaiv cov hlau uas nyob hauv kev sib cuag nrog cov tshuaj sulfuric luv lossis raug rau cov pa ntawm hydrochloric lossis nitric acids, txha hniav laus KO-198 … Qhov sib xyaw ntawm hom no tiv thaiv cov av los ntawm cov av hauv av lossis dej hiav txwv, thiab tseem siv rau kev ua cov khoom xa mus rau thaj chaw uas muaj huab cua sov tshwj xeeb. Cov txheej txheem ruaj khov tau tsim tom qab 20 feeb.

Hniav KO-813 npaj rau pleev xim rau qhov kub thiab txias (500 ° C). Nws suav nrog txhuas hmoov thiab KO-815 kua roj vanish. Tom qab 2 teev, txheej txheej ruaj khov tau tsim (ntawm t = 150? C). Thaum thov ib txheej, txheej txheej nrog txheej tuab ntawm 10-15 microns tau tsim. Rau kev tiv thaiv zoo dua ntawm cov khoom, txha hniav laus tau thov hauv ob txheej.

Rau tha xim cov qauv hlau raug rau qhov kub thiab txias (txog 400 ° C), txha hniav laus tau tsim KO-814 , suav nrog cov kua roj vanish KO-085 thiab txhuas hmoov. Cov txheej txheem ruaj khov tau tsim hauv 2 teev (ntawm t = 20? C). Txheej tuab zoo ib yam li KO-813 txha hniav laus.

Rau cov qauv thiab cov khoom lag luam ua haujlwm ntev ntawm t = 600 ° C, a txha hniav laus KO-818 … Cov txheej txheem ruaj khov tau tsim hauv 2 teev (ntawm t = 200? C). Txog dej, zaj duab xis dhau los ua tsis tau sai dua tom qab 24 teev (ntawm t = 20 ° C), thiab roj av tom qab 3 teev. Hom hniav txha hniav laus no yog tshuaj lom thiab phom sij txaus ntshai, yog li yuav tsum tau saib xyuas tshwj xeeb thaum ua haujlwm nrog cov tshuaj no.

Cov hniav KO-983 tsim nyog rau kev kho saum npoo ntawm cov tshuab hluav taws xob thiab cov cuab yeej, ib feem ntawm cov cua sov mus txog 180 ° C. Thiab tseem nrog nws txoj kev pab, daim npog ntsej muag ntawm lub rotor hauv cov tshuab hluav taws xob tau pleev xim, tsim cov txheej txheem tiv thaiv uas tau tshaj tawm cov khoom tiv thaiv xeb. Cov txheej txheej tau qhuav kom txog thaum txheej txheej ruaj khov tau tsim tsis pub dhau 24 teev (ntawm t = 15-35? C). Lub thermal elasticity ntawm zaj duab xis txheej (ntawm t = 200 ° C) raug tswj kom tsawg kawg 100 teev, thiab lub zog dielectric yog 50 MV / m.

Scope ntawm daim ntawv thov

Txhua lub cev organosilicon txha hniav laus yog tus yam ntxwv tiv taus qhov kub thiab txias. Cov txha hniav laus, nyob ntawm cov khoom tuaj, tau muab faib ua qhov tshwj xeeb thiab tiv taus nruab nrab rau qhov kub thiab txias. Cov tshuaj Organosilicon sib koom ua ke zoo rau txhua yam ntaub ntawv, nws yog cov cib lossis pob zeb ua phab ntsa, plastered lossis pob zeb saum npoo lossis cov qauv hlau.

Feem ntau, kev sib xyaw ntawm cov hniav no yog siv los pleev xim cov qauv hlau hauv kev lag luam . Thiab raws li koj paub, cov khoom lag luam npaj rau pleev xim, xws li cov kav xa dej, cov khoom siv roj thiab cua sov, feem ntau tsis muaj nyob hauv tsev, tab sis qhib qhov chaw thiab nthuav tawm rau ntau yam huab cua tshwm sim, vim qhov uas lawv xav tau kev tiv thaiv zoo. Ib qho ntxiv, cov khoom lag luam hla cov kav dej kuj cuam tshuam rau cov khoom siv thiab yog li xav tau kev tiv thaiv tshwj xeeb.

Cov nplaum uas muaj feem cuam tshuam nrog cov cua sov uas tiv taus tau siv rau pleev xim rau sab nrauv ntawm ntau lub tsev thiab cov qauv. Cov xim nyob rau hauv lawv cov muaj pes tsawg leeg, uas muab cov xim ntawm cov xim pleev xim, tsis tuaj yeem tiv taus cua sov siab tshaj 100 ° C, uas yog vim li cas txwv cov cua sov uas tiv taus hom tsuas yog siv rau cov ntaub ntawv tiav uas tsis raug rau qhov kub siab. Tab sis nws tsim nyog sau cia tias hom txha hniav laus no tiv taus rau ntau yam huab cua, xws li daus, los nag lossis ultraviolet rays. Thiab lawv muaj lub neej ua haujlwm ntau - raug rau cov tshuab zas xim, lawv muaj peev xwm tiv thaiv cov khoom rau 10 lossis txawm tias 15 xyoo.

Rau qhov chaw raug rau qhov kub thiab txias, av noo thiab tshuaj lom neeg tau ntev, cov nplaim hluav taws kub-tiv taus tau tsim los. Cov hmoov txhuas tam sim no muaj nyob hauv cov khoom sib xyaw ua cov yeeb yaj kiab uas tiv tshav kub saum npoo ntawm cov khoom pleev xim uas tuaj yeem tiv taus cua sov ntawm 500-600 ° C. Nws yog cov hniav uas siv los pleev xim rau lub qhov cub, chimney thiab qhov cub qhov chaw hauv kev tsim tsev.

Ntawm qhov ntsuas kev lag luam, cov nplaim hluav taws xob no tau siv hauv kev tsim kho tshuab, roj thiab roj kev lag luam, kev tsim nkoj, kev lag luam tshuaj lom neeg, thiab lub zog nuclear. Lawv tau siv hauv kev tsim kho cov chaw tsim hluav taws xob, cov chaw nres nkoj, choj, txhawb nqa, kav dej, cov qauv siv hluav taws xob thiab cov kab hluav taws xob siab.

Chaw tsim tshuaj paus

Niaj hnub no muaj ntau lub tuam txhab uas tsim cov xim thiab cov kua roj vanish. Tab sis tsis yog txhua tus yog cov tuam txhab tsim cov paj ntoo organosilicon thiab tsis muaj coob leej muaj kev tshawb fawb, ua haujlwm txhua hnub txhawm rau txhim kho cov khoom lag luam uas muaj tam sim no thiab tsim hom tshiab ntawm cov hniav txha hniav laus.

Kev vam meej tshaj plaws thiab kev tshawb fawb hauv paus yog Lub Koom Haum Tsim Kho thiab Tsim Khoom Tiv Thaiv Kev Tiv Thaiv Kev Tiv Thaiv Txhais Rau Cov Roj thiab Lub Zog Ua Haujlwm " Kartek" cov … Lub koom haum no, tsim rov qab rau xyoo 1993, muaj nws tus kheej kev tsim khoom thiab ua kev tshawb fawb thiab kev txhim kho hauv kev tiv thaiv kev xeb ntawm ntau yam khoom siv.

Ntxiv rau kev tsim cov xim tshwj xeeb thiab cov kua roj vanish, lub tuam txhab tsim cov ru tsev thiab cov khoom siv txuag, tsim thiab tsim cov rhaub dej kub, muaj nws lub tuam txhab nthuav qhia thiab muaj tswv tsev tshaj tawm.

Ua tsaug rau kev sib koom ua ke, lub tuam txhab no tau tsim cov txha hniav laus tiv taus cua sov " Katek-KO "uas tiv thaiv cov qauv hlau siv hauv cov huab cua hnyav los ntawm kev hloov pauv. Cov txha hniav laus no muaj cov nplaum ua tau zoo thiab tiv thaiv qhov chaw tau zoo hauv ntau yam huab cua. Cov yeeb yaj kiab uas muaj kev tiv thaiv zoo rau cov dej noo, roj av, tshuaj chlorine ions, cov kua ntsev thiab cov dej ntws tawm ntawm cov xim pleev xim.

Sab saum toj kaum cov tuam txhab tsim cov xim thiab cov kua roj vanish suav nrog Cheboksary tuam txhab NPF "Enamel ", uas tsim tawm niaj hnub no ntau dua 35 hom hniav txha hniav laus ntawm lub hom phiaj sib txawv thiab muaj pes tsawg leeg, suav nrog hom organosilicon zuj zus. Lub tuam txhab muaj nws tus kheej kuaj thiab kev tswj hwm kev ua haujlwm.

Cov Lus Qhia Thov

Cov txheej txheem ntawm cov xim tha xim nrog cov khoom siv organosilicon tsis txawv tshwj xeeb los ntawm kev pleev xim nrog lwm hom pleev xim, kua roj vanish thiab pleev xim. Raws li txoj cai, nws muaj ob theem - kev npaj thiab lub ntsiab. Kev npaj ua haujlwm suav nrog: kev tu lub tshuab ntawm cov av thiab cov seem ntawm txheej txheej qub, kev kho tshuaj saum npoo av nrog cov kuab tshuaj thiab, qee zaum, ua ntej.

Ua ntej thov cov tshuaj muaj pes tsawg leeg rau saum npoo, txha hniav laus tau sib xyaw kom huv , thiab thaum tuab, diluted nrog toluene lossis xylene. Txhawm rau kom txuag tau nyiaj, nws tsis tas yuav tsum tau dilute qhov muaj pes tsawg leeg, txwv tsis pub zaj duab xis uas tshwm tom qab ziab ntawm qhov chaw yuav tsis sib xws rau qhov tshaj tawm zoo, qhov ntsuas tsis kam yuav raug txo. Ua ntej thov, nco ntsoov tias cov av npaj tau qhuav thiab qhov kub ib puag ncig zoo raws li qhov xav tau tshwj xeeb los ntawm cov khw.

Kev noj ntawm cov muaj pes tsawg leeg nyob ntawm tus qauv ntawm cov khoom siv los pleev xim - looser lub hauv paus, xav tau ntau dua txha hniav laus. Txhawm rau txo kev siv, koj tuaj yeem siv rab phom tsuag lossis rab phom.

Txhawm rau kom cov nplaim ntawm cov khoom siv ua tiav kom tau txais txhua tus yam ntxwv uas muaj nyob hauv cov kua nplaum organosilicon, nws yog qhov tsim nyog los npog cov nplaim nrog ob peb txheej. Cov nab npawb ntawm cov txheej txheem nyob ntawm hom khoom. Rau cov hlau, 2-3 txheej yog txaus, thiab ua vaj tse, cib, xis mas yuav tsum tau kho nrog tsawg kawg 3 txheej. Tom qab thov thawj txheej, nws yog qhov yuav tsum tau tos rau lub sijhawm qhia los ntawm cov chaw tsim khoom rau txhua hom kev muaj pes tsawg leeg, thiab tsuas yog tom qab ua kom qhuav tas, thov txheej txheej tom ntej.