Epoxy Cob (50 Daim Duab): Nws Yog Dab Tsi Thiab Nws Tau Ua Los Ntawm Dab Tsi? Muaj Pes Tsawg Leeg Thiab Ua Mob Rau Kev Noj Qab Haus Huv, Daim Ntawv Thov Thiab Thaj Chaw, Ob Feem Th

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Cov nplaum ruaj uas tuaj yeem ua kua nplaum yuav luag txhua yam tshwj tsis yog plexiglass, polyethylene, ntxiv rau nylon thiab qee qhov lwm yam tsis ntxeem tau yog epoxy resin. Cov khoom no tau siv dav hauv kev tsim kho thiab ua haujlwm tiav, nrog rau kev siv rab koob thiab kev muaj tswv yim. Kev siv nws muaj nws tus yam ntxwv, lawv yuav tham hauv peb qhov kev tshuaj xyuas.

Nws yog dab tsi?

Epoxy yog oligopolymer. Nws suav nrog ntau pawg epoxy uas ua rau polymerize thaum ua haujlwm nrog tawv tawv. Qhov xav tau tshaj plaws yog cov khoom tau txais los ntawm kev sib xyaw ntawm cov polymers raws li bisphenol thiab phenol epichlorohydrin . ES muaj qhov sib xws ua kua, nws qhov nqus tshwj xeeb yog 1.07 g / cm3. Nws tuaj yeem yog pob tshab lossis xim, feem ntau hauv khw muag khoom koj tuaj yeem pom cov tshuaj dawb lossis daj-txiv kab ntxwv xim, lawv zoo li kua kua zib ntab.

Qhov txiaj ntsig tseem ceeb ntawm epoxy cob yog tias nws tau siv dav ua cov nplaum thiab yog tshuaj pleev ib ce raws li laminate. Epoxy muaj cov yam ntxwv tshwj xeeb ntawm zaj duab xis nyias thiab tiv taus microcracks, elongates txog 5% thaum ncab.

Cov khoom muaj qhov ntsuas tsis kam tiv taus ya raws, tuaj yeem ua raws ntau yam ntawm cov substrates - hlau, ntoo lossis laminate tsis kho. Lub neej txee yog ntev heev - txog li 1 xyoos.

Ntawm qhov tsis zoo, tus nqi siab ntawm cov khoom thiab xav tau los soj ntsuam kev nyab xeeb kev nyab xeeb thaum ua haujlwm tuaj yeem sau tseg . Cov khoom lag luam xav tau kev siv cov khoom ntxiv - tawv tawv, yas yas. Tsis tas li ntawd, yuav tsum muaj txuj ci los tsim cov pleev xim zoo nkauj.

Muaj pes tsawg leeg thiab tsim cov yam ntxwv

ES hais txog cov khoom sib xyaw ua ke; nws qhia nws lub cev thiab cov yam ntxwv tshwj xeeb tshwj xeeb hauv daim ntawv ntawm polymer. Thaum hnov mob nrog cov tawv tawv, cov oligomers tsim cov qauv ntawm ntau cov kab sib txuas sib txuas. Ua raws li GOST 10587-84 . Hais txog qhov muaj pes tsawg leeg ntawm epoxy, nws yuav tsum tau sau tseg tias nws tuaj yeem hloov kho los ntawm lub cev lossis tshuaj.

Kev siv tshuaj lom neeg koom nrog tshuaj tiv thaiv nrog cov tshuaj ntxiv, vim li ntawd, cov qauv ntawm cov tshuaj hloov pauv yooj yim, cov qauv ntawm cov cell polymer tau hloov pauv. Piv txwv li, raws li cov tshuaj tiv thaiv nrog polyesters ntawm cov cawv ntawm pab pawg glycidyl, cov khoom tsis hloov pauv ntawm cov tawv tawv tawv hloov pauv . Ua ke nrog qhov no, nws cov dej tsis kam kuj tseem hloov pauv. Thiab los ntawm kev qhia txog organohalogen lossis organophosphorus sib txuas rau hauv cov qauv, nws muaj peev xwm ua kom sib npaug ntawm cov khoom tawg tau.

Thaum epoxy reacts nrog formaldehyde resin, ib qho kev sib xyaw ua ke tau tsim, nws tawv tsuas yog thaum ua kom sov tsis tas siv cov tawv tawv.

Cov txheej txheem lub cev koom nrog kev sib xyaw ES nrog cov tshuaj ntxiv ntawm tus kheej yam tsis tau pib tshuaj lom neeg . Yog li, qhov ntxiv ntawm cov roj hmab nce qhov ntsuas ntawm kev nqus ntawm cov tshuab muaj zog thaum cuam tshuam. Thiab thaum sib xyaw nrog titanium dioxide, cov yam ntxwv pom ntawm cov khoom hloov pauv - nws dhau los ua qhov tsis pom kev rau qhov ci ntawm UV spectrum.

Yam ntxwv thiab khoom

ES yog tus yam ntxwv tiv taus halogens, nrog rau cov tshuaj alkalis thiab cov kua qaub. Nws yaj hauv acetone thiab qee qhov esters yam tsis tsim cov yeeb yaj kiab. Cia peb nyob ntawm qhov ntsuas ntawm epoxy resin.

Cov tawv tawv ES khaws nws cov duab thiab ntim . Cov cuab yeej no tso cai tsim cov pwm thiab lwm yam khoom lag luam. Tom qab ua kom tawv, cov tawv tawv tsis nqaim, yog li qhov ntim ntawm cov haujlwm tseem tsis hloov pauv.

Feem ntau cov resins tiv taus abrasives thiab txhoj puab heev daws . Qhov no tso cai rau koj siv ib qho tshuaj sib xyaw ua ke thaum ua haujlwm nrog cov khoom lag luam epoxy. Txawm hais tias muaj qhov tsis xws me me tshwm ntawm txheej, nrog cov khoom me me ntawm epoxy, lawv tuaj yeem yooj yim thiab tshem tawm sai.

ES tsis muaj dej, cov cuab yeej no ua lub luag haujlwm tseem ceeb hauv kev xaiv cov ntaub ntawv tiav hauv chav nrog cov av noo siab . Piv txwv li, chav ua noj txee ua los ntawm epoxy muaj lub sijhawm siv ntev, thaum cov rooj tog tsim ua los ntawm fiberboard, vim nquag muaj dej noo ntau zuj zus, sai sai.

Qhov ci ntsa iab ntawm cov tawv tawv tawv yog UV-tiv taus. Thoob plaws hauv tag nrho lub sijhawm siv, cov khoom tsis ploj thiab tsis plam lawv qhov kev zoo nkauj.

Muaj kev tiv thaiv tshav kub ntau ntxiv, muaj pes tsawg leeg kub ntawm +155 degrees, nrog ntau qhov "kub" raug nws pib yaj . Cov khoom yog nyob rau qib II ntawm kev phom sij, tsis ua rau hluav taws txawm tias nws raug coj mus rau qhov qhib hluav taws. Cov yam ntxwv no yog qhov raug rau txhua hom ES. Txawm li cas los xij, lawv tuaj yeem tshwm sim rau qib sib txawv nyob ntawm cov tshuaj ntxiv uas siv hauv kev npaj epoxy.

Ua mob rau kev noj qab haus huv

Ntau tus neeg siv txhawj xeeb txog kev phom sij ntawm epoxy-based resins. Tom qab kho, epoxy tsis muaj kev phom sij rau kev noj qab haus huv ntawm menyuam yaus thiab cov laus. Tab sis hauv lub Hoobkas, thaum cov tshuaj hnyav, cov khoom ntawm cov feem feem ntau nyob hauv qhov muaj pes tsawg leeg, nyob hauv lub xeev yaj nws yog qhov txaus ntshai rau tib neeg. Txawm li cas los xij, hauv kev tsim khoom, feem ntau ntawm cov txheej txheem yog siv tshuab, yog li qhov kev pheej hmoo ntawm kev phom sij ntawm cov khoom lag luam ntawm lub cev yog qhov tsawg.

Tab sis ua ntej kho, epoxy yog tus yam ntxwv ntawm kev muaj tshuaj lom thiab tuaj yeem muaj qhov tsis zoo rau tib neeg kev noj qab haus huv. Cov cai tswj kev nyab xeeb tsim tau tias nws tuaj yeem ua haujlwm nrog ES tsuas yog nrog cov cuab yeej tiv thaiv tus kheej . Ua ntej tshaj plaws, qhov no txhawj xeeb txog kev ua pa, vim tias cov tshuaj tso tawm cov pa phem ua ntej ua qhov kawg. Ua haujlwm nrog ES yuav tsum nyob hauv chav uas muaj cua nkag lossis hauv chav uas muaj lub qhov tso pa tawm. Tsuas yog lub tshuab ua pa tuaj yeem tiv thaiv lub cev ua pa kom nqus tau lawv cov pa. Yog tias koj yuam kev nqos cov kua los yog tau nws hauv koj lub qhov muag, nrhiav kev kho mob tam sim.

Kev piav qhia ntawm hom

Muaj ntau qhov kev faib tawm ntawm ES, feem ntau ntawm lawv yog cov txuj ci zoo.

Epoxy Diane hmoov

Dav dav hauv kev thov hauv kev lag luam thiab hauv lub neej txhua hnub. Xws li ntau yam.

ED-22 - pib crystallize thaum lub sijhawm khaws cia ntev. Nws yog cov khoom siv raw ntau yam, tab sis nws tsuas yog siv hauv kev lag luam.

ED-20 - kua epoxy, yuav tsum muaj kev qhia ua kom tawv tawv. Nws yog qhov xav tau vim nws qhov kev ua tau zoo ua ke nrog kev them taus.

ED-16 - Kev sib xyaw ntawm cov viscosity nce ntxiv, tau pom kev faib ua cov khoom siv hauv kev tsim cov iav fiberglass.

ED-10 thiab ED-8 - ntom-tiv tshav kub-tiv taus epoxy, suav nrog hauv cov lauj kaub sib xyaw rau cov tshuab hluav taws xob.

ED rau cov xim thiab cov kua roj vanish

Cov no suav nrog

E-40 thiab E-40r - ziab kom qhuav sai rau cov xim thiab cov kua roj vanish. Lawv tuaj yeem suav nrog hauv cov qauv ntawm cov kua roj vanish, txha hniav laus thiab putties.

E-41 - cov tshuaj no hauv nws qhov kev ua haujlwm tsis sib xws rau E-40, tab sis kuj tuaj yeem suav nrog cov nplaum sib xyaw.

ES hauv cov qauv ntawm cov kua roj vanish thiab xim tuaj yeem pom hauv cov khoom siv hauv tsev niaj hnub no.

Nws yog cov xim epoxy uas tau siv hauv kev tsim cov tshuab ntxhua khaub ncaws, microwave ncu, nrog rau cov tshuab ziab khaub ncaws thiab cov khoom zoo sib xws.

Aluminium, cam khwb cia hlau, lithium thiab cam khwb cia hlau ua haujlwm zoo nrog cov khoom no.

Epoxy-hloov kho

KDA-2 - cuam tshuam raws li hluav taws xob insulator. Nws yog cov khoom sib txuam yooj yim hauv kev tsim cov fiberglass, tuaj yeem siv ua cov khoom siv rau cov kua nplaum.

K-02T - yog qhov tsim nyog rau cementation thiab impregnation ntawm ntau yam khoom cua.

EZ-111 - pom daim ntawv thov hauv kev sau cov khoom siv hauv xov tooj cua. Nws yog lub hauv paus tseem ceeb ntawm kev hloov pauv.

AW-563 - yam ntxwv los ntawm kev ua kom muaj zog ntxiv, nyob rau hauv kev thov hauv kev tsim ntawm ob-glazed qhov rais. Ua raws li kev sib xyaw potting.

Rooj tog zaum nraum zoov -153 - zoo sealant.

Lub hom phiaj tshwj xeeb

EA - tus yam ntxwv los ntawm kev txo qis viscosity, tsis hloov pauv hauv kev tsim cov kuab tshuaj thiab cov tshuaj ua raws li impregnations.

AW-610 - yog tus yam ntxwv los ntawm kev nce hardness.

EHD - muaj pes tsawg leeg muaj cov tshuaj chlorine, muaj qhov kub hnyiab tsawg, huab cua thiab tiv tshav kub.

Sab saum toj manufacturers

Muaj ntau hom resins ntawm ntau hom lag luam raug muag hauv Russia - Novol, Ekovanna, Yugreaktiv, Moment, ntxiv rau Epital thiab Leonardo.

Cov tuam txhab TOP suav nrog

• SIB 2106 - ob-tivthaiv epoxy rau kev tsim cov txheej txheej ntawm cov khoom ntxeem tau.
• " Art-Array" Cov - kev sib xyaw nrog cov viscosity qis, ua los ntawm kev hloov kho epoxy thiab tawv. Thaum txheej saum npoo, nws ua rau lawv ci ci.
• " Artline Crystal Epoxy " - kev pom zoo rau tsim cov hniav nyiaj hniav kub thiab khoom siv tes ua.
• " Etalon Optic" Cov . - kev pom zoo rau kev pov cov txee thiab cov khoom dai kom zoo nkauj.
• Pebeo Crystal Resin Gedeo - epoxy tsis muaj xim rau kev muaj tswv yim, muag hauv cov pob me thiab muaj tus nqi pheej yig.
• Epoxy Max Decor - cob rau kho thiab ua haujlwm tiav, feem ntau ua ke nrog cov pob zeb marble thiab granite.
• " Cov K-153 " - yog qhov tsis tseem ceeb rau kev sib khi cov ntsiab lus thiab cov khoom sib dhos ua rau lub siab poob siab thiab kev co.

Yuav xaiv li cas?

Thaum xaiv cov tshuaj epoxy, ib tus yuav tsum tau ua los ntawm cov yam ntxwv ntawm nws siv. Txhua hom tuaj yeem raug faib ua ob pawg.

• Txheej txheem - siv nyob rau hauv tuning, shipbuilding, tsevneeg thiab kho.
• Hniav - muaj feem cuam tshuam rau kev tsim cov hniav nyiaj hniav kub, duab puab thiab pleev xim.

Tus qub yuav tsum ruaj, muaj zog thiab kho sai.

Muag hauv pob ntawm 5 litres. Txog rau qhov kawg, qhov yuav tsum tau ua kom pom tseeb tau los ua ntej, nrog rau kev tiv thaiv UV rays, uas tuaj yeem ua rau daj ntawm qhov muaj pes tsawg leeg.

Muag hauv cov tshuaj tsawg.

Nws siv qhov twg?

Txhua hom epoxy tuaj yeem faib ua pawg raws li lawv thaj chaw thov. Yog li, hauv kev tsim kho kev lag luam, epoxy yog siv rau kev kos rau ntawm txoj kev loj, rau kev kho kom zoo nkauj rau tus kheej qib. Raws li cov khoom siv dai kom zoo nkauj, nws tau nthuav dav hauv kev kho thiab ua haujlwm tiav . Raws li ib feem ntawm cov pa roj carbon thiab fiberglass, nws tau pom daim ntawv thov kho lub tsev pob zeb thiab cov tshav dav hlau. Epoxy tso cai rau kev sib txuas ntawm cov qauv choj.

Resin yog siv los tsim cov tshuab cua tshuab thiab cov kiv cua nkoj . Lawv tau pom daim ntawv thov tsim cov tso tsheb hlau luam thiab cov nkoj. Hauv kev siv tshuab kho tshuab, tuaj yeem siv cov tshuaj los kho qhov tsis xws luag. Qhov ntom ntawm qhov muaj pes tsawg leeg tso cai rau tsim cov springs ntxiv rau cov springs. Cov polymer tau pom dav siv hauv kev tsim kho lub dav hlau - cov khoom siv sib xyaw ua ke tau siv los npog cov tis thiab chav nyob ntawm lub dav hlau cav, nrog rau kev ua kom muaj zog thiab kev sib tw ntawm lub taub hau. Nws yog los ntawm ES uas tau tso cov roj tso tsheb hlau luam thiab cov tsev nyob hauv cov foob pob hluav taws.

Yog li, hauv kev lag luam, ES feem ntau siv dav hauv tshuab, dav hlau, nkoj thiab foob pob ua ntxaij tsev.

Resins hauv kev lag luam khoom noj muaj kev siv tsawg - qee qhov sib xyaw tau siv hauv kev tsim cov kaus poom. Vim nws ib puag ncig phooj ywg zoo, epoxy tuaj yeem siv tau hauv cheeb tsam tsev neeg yam tsis muaj kev txwv . Nws yog siv los tsim cov hniav nyiaj hniav kub thiab cov khoom dai sab hauv. Resin yog siv los ua cov duab puab me me thiab rooj tog zaum.

Yuav ua li cas ua haujlwm nrog cob?

Thaum ua haujlwm nrog cov yas, qhov tseem ceeb tshaj plaws yog ua tib zoo saib xyuas qhov sib piv, vim tias qhov tsis txaus lossis, piv txwv li, ntau dhau ntawm cov tawv tawv muaj qhov tsis zoo tshaj plaws ntawm kev ua haujlwm ntawm qhov sib xyaw zaum kawg. Nrog rau qhov ntim ntau dhau ntawm cov tawv tawv, cov muaj pes tsawg leeg poob nws lub zog . Ib qho ntxiv, ntau dhau tuaj yeem tso tawm rau saum npoo thaum nws tawv. Nrog qhov tsis muaj zog, qee qhov ntawm cov polymers tseem nyob tsis tau, xws li cov khoom sib xyaw ua nplaum.

Cov txheej txheem niaj hnub no feem ntau yog diluted hauv kev faib ua feem: rau 1 feem ntawm tus neeg sawv cev kho kab mob - 2 ntu ntawm ES, kev tso cai siv sib npaug . Muab cov tshuaj epoxy thiab tawv tawv kom huv si kom zoo ib yam. Kev ua kom maj mam ua tau qeeb, yog tias txav mus los tau zoo, cov npuas yuav tshwm.

Nco ntsoov - polymerization tsis pib tam sim ntawd, ua ntej koj yuav tsum tau tos kom txog thaum kev sib xyaw ua ke mus txog qhov zoo sib xws thiab tsuas yog tom qab ntawd koj tuaj yeem pib ua haujlwm.

Tom qab nchuav, tos kom txog thaum cov tawv tawv tawv. Hauv chav kawm ntawm polymerization, ES mus dhau ntau theem.

• Lub xeev ua kua . Kev sib xyaw ntawm cov khoom tseem ceeb yooj yim ntws los ntawm cov nplawm nplawm, lub sijhawm no yog qhov zoo tshaj plaws los nchuav cov tshuaj sib xyaw rau hauv pwm.
• Zib ntab zib ntab . Hauv lub xeev no, huab hwm coj tsis nyob hauv ib qho nyias, txawm tias txheej, tab sis yooj yim ua rau ntim me me.
• Candied zib ntab . Nyob rau theem no, nws tsis muaj peev xwm ua ib qho kev nqis tes ua nrog cov yas, tsuas yog siv tau yog gluing cov nplaim.
• Kev hloov pauv los ntawm zib ntab rau roj hmab . Txog tam sim no, cov tshuaj tsis tas yuav kov, txwv tsis pub cov tsim cov saw hlau tuaj yeem cuam tshuam.
• Roj hmab . Qhov loj ntawm cov khoom siv tau nkag mus rau hauv kev sib cuam tshuam thiab tau tso tseg kom lo rau ntawm xib teg, txawm li cas los xij, nws qhov hnyav tseem tsis txaus. Hauv lub xeev no, cov khoom ua haujlwm tuaj yeem hloov pauv thiab hloov pauv.
• Khoom . Cov tshuaj no tsis khoov, ntswj, lossis tshem tawm.

Epoxy los ntawm cov tuam txhab sib txawv muaj lub sijhawm kho sib txawv, nws tau txiav txim siab tsuas yog ua piv txwv.

Yog tias xav tau, epoxy tuaj yeem ntxiv nrog cov xim tsis muaj xim.

Txawm li cas los xij, txawm tias tsis muaj cov kua roj vanish, nws saum npoo zoo li ci thiab ci.

Lub tswv yim

Hauv kev xaus, peb yuav muab ntau qhov lus pom zoo uas yuav ua rau ua haujlwm nrog epoxy ntau dua

• Ua ntej pib ua haujlwm, npog qhov chaw ua haujlwm nrog ntaub yas ntaub lossis qhwv yas. Nws tsis tsim nyog siv ntawv - ES saturates nws, yog li nws yuav tsis tuaj yeem tiv thaiv nws los ntawm stains.
• Tsis txhob ntub epoxy thiab tawv. Tsis txhob ua haujlwm nrog ES hauv chav nrog cov av noo siab, txwv tsis pub kev sib zog ua ke yuav qeeb heev.
• Cov tshuaj toner tshwj xeeb tuaj yeem siv los muab cov epoxy kom muaj xim zoo nkauj. Raws li pob nyiaj siv sib piv, koj tuaj yeem siv tus cwj mem ntawm cov cwj mem zoo tib yam.
• Tsis txhob ua haujlwm nrog ES hauv chav tsev kub, ntawm qhov kub siab tshaj 22 degrees, qhov sib xyaw ua kom tsis zoo.
• Yog tias cov tshuaj tau khaws cia ntev hauv chav tsis muaj cua sov, tom qab ntawd cov nplaim feem ntau tshwm hauv nws. Txhawm rau rov qab nws lub ntsej muag zoo nkauj - ua kom sov li ntawm 50-60 degrees.
• Thaum ua haujlwm nrog ntoo, nws yog ib qho tsim nyog yuav tau siv cov yas yas - lawv ua cov yas ua kom zoo thiab mos. Txwv tsis pub, thaum cov av noo hloov pauv, cov hauv paus ntoo yuav pib deform, thiab cov uas nyob ib sab yuav tawg.