Pob Tshab Epoxy: Dab Tsi Yog Cov Ntoo Ntoo Ntoo Tsis Muaj Xim Epoxy? Ob-tivthaiv Nonshrinking Cob Nrog Tawv Thiab Lwm Yam Kev Xaiv

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-15 04:12

Epoxy resin yog cov khoom siv uas tau siv dav hauv ntau yam haujlwm. Nws yog siv rau nchuav cov txee, tsim cov ntaub pua plag hauv tsev, nrog rau cov ntsej muag zoo nkauj zoo nkauj. Cov khoom siv hauv cov lus nug hnyav tom qab sib xyaw nrog cov khoom tshwj xeeb - cov tawv tawv. Tom qab ntawd, nws tau txais cov khoom tshiab - muaj zog dua thiab tiv taus kom ya raws. Clear epoxy potting resin yog txheej txheem zoo tshaj plaws. Hauv tsab xov xwm no, peb yuav npog txhua yam hais txog epoxy potting resin.

Nqe lus piav qhia

Epoxy resin lossis ntau li hu nws "epoxy" hais txog oligomers. Lawv muaj cov pab pawg epoxy uas, thaum raug rau cov tawv tawv, tsim cov crosslinked polymers. Cov resins feem ntau yog muag hauv khw muag khoom raws li ob yam khoom siv . Ib pob ntawv feem ntau muaj cov tshuaj uas muaj cov khoom ua kom khov thiab khov, thiab lwm qhov muaj cov tawv tawv hais los saum toj no, uas yog cov tshuaj raws li amines lossis carboxylic acids. Feem ntau, cov resins ntawm pawg no tau tsim los siv cov txheej txheem xws li polycondensation ntawm epichlorohydrin nrog bisphenol A, uas hu ua epoxy-dianes.

Pob tshab tsis muaj xim sib txawv los ntawm lwm hom nyob rau hauv uas nws yog optically pob tshab. Nws zoo li iav thiab tsis thaiv lub teeb ci.

Hauv qhov no, ob qho tib si tsis muaj xim, uas ua rau nws muaj peev xwm siv lawv rau kev tsim thiab tsim cov hauv pem teb lossis phab ntsa npog . Yog tias cov khoom lag luam zoo tiag tiag, tom qab ntawd nws yuav tsis tig daj lossis pos huab txawm tias ntau xyoo tom qab siv.

Tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv

Txhawm rau kom tau txais kev sib xyaw nrog qee yam khoom, tshwj xeeb ntxiv yuav tsum tau siv hauv cov txheej txheem ntawm nws tsim. Peb tab tom tham txog 2 pawg tshuaj.

Hardeners thiab yas yas . Yog tias peb tham txog pab pawg no, tom qab ntawd cov tawv tawv ntxiv rau cov tshuaj ua kom muaj cov tshuaj tiv thaiv polymerization. Txog qhov no, tshuaj xws li tertiary amines, phenols lossis lawv cov kev xaiv feem ntau yog siv. Tus nqi ntawm cov tawv tawv yuav nyob ntawm tus yam ntxwv ntawm cov khoom siv hauv paus thiab cov txiaj ntsig xav tau. Thiab qhov sib ntxiv ntawm cov yas tau ua tiav kom lub sijhawm siv cov khoom tiav tsis tawg thiab muaj qhov ua tau zoo. Kev siv cov khoom no tseem ua rau nws muaj peev xwm tiv thaiv kev tawg ntawm qhov tshwm sim tshwm sim thaum txheej txheem ziab ntawm cov khoom, uas muaj ntim ntau. Feem ntau, cov khoom siv raws li dibutyl phthalate yog siv los ua cov yas yas.

• Cov kuab tshuaj thiab cov muab tub lim . Cov kuab tshuaj tau ntxiv rau hauv qhov xwm txheej uas koj xav ua kom muaj pes tsawg viscous. Tab sis qhov hnyav ntawm qhov hnyav yuav tsum tsawg, vim tias raws li nws tau ntxiv, lub zog ntawm txheej txheej tsim tau txo qis. Thiab yog tias koj xav muab qhov muaj pes tsawg leeg ntxoov ntxoo lossis xim, tom qab ntawd ntau yam muab tshuaj txhuam ntxiv. Hom tshuaj feem ntau siv yog:

  • microsphere, uas nce viscosity;
  • txhuas hmoov, uas muab cov yam ntxwv xim-nyiaj xim;
  • titanium dioxide, uas ua rau cov khoom tiv taus tiv thaiv hluav taws xob ultraviolet ntau ntxiv thiab muab cov txheej xim dawb;
  • aerosil, uas tso cai rau koj los tiv thaiv qhov pom ntawm cov av nkos ntawm qhov chaw uas nyob ntawm qhov ntsug;
  • graphite hmoov, uas ua rau nws muaj peev xwm tau txais cov xim xav tau thiab evens tawm cov qauv ntawm cov khoom yuav luag mus rau qhov zoo tagnrho;
  • talcum hmoov, uas ua rau saum npoo ruaj khov thiab haum txawm tias.

Cov cheeb tsam ntawm kev siv

Cov sib xyaw siv ob txheej tiv thaiv pob tshab epoxy feem ntau siv hauv ntau qhov chaw ntawm lub neej, piv txwv li, los tsim cov nplhaib tseem ceeb, cov hniav nyiaj hniav kub, ntau yam pendants, nrog rau cov khoom zoo nkauj. Dhau li, nws yog siv los tsim cov khoom lag luam tshaj tawm, cov txee rau khoom, cov plag tsev nws tus kheej, khoom plig, khoom siv huv huv thiab cov khoom lag luam uas tau siv hauv chav dej . Kev npog tus kheej hauv tsev nrog cov qauv txawv txawv yog nrov heev. Cov cuab yeej no yog siv rau volumetric decoupage, mosaics thiab lwm yam.

Feem ntau, kev siv cov khoom siv no raug txwv tshwj xeeb los ntawm kev xav ntawm tus neeg nws tus kheej. Epoxy yog siv rau ntoo, pob zeb, taum kas fes, hlaws thiab lwm yam khoom siv.

Qhov kev daws teeb meem zoo yuav yog ntxiv phosphors rau epoxy . Cov no yog cov khoom uas ci hauv qhov tsaus ntuj. Feem ntau, teeb pom kev zoo LED tau teeb tsa sab hauv cov duab tsim tsim siv cov tshuaj epoxy, uas ua rau lub ntsej muag zoo nkauj thiab zoo nkauj.

Rau cov khoom siv hauv kev txiav txim siab, siv cov xim tshwj xeeb, uas muaj qhov me me ntawm 5 txog 200 microns. Lawv tau faib sib npaug hauv cov txheej thiab tso cai rau koj los tsim cov xim zoo ib yam tsis muaj qhov chaw tsis pleev xim.

Ib qho ntxiv, pob tshab epoxy tau siv hauv thaj chaw xws li:

• cov khoom siv hluav taws xob sib khi;
• waterproofing nyob rau hauv ntau yam industrial cheeb tsam;
• txheej ntawm phab ntsa, tshuab qhov chaw, txheej txheej hauv pem teb, phab ntsa thiab qhov chaw ntawm hom ntxeem tau;
• ntxiv dag zog rau rwb thaiv tsev ntawm thaj chaw;
• reinforcement ntawm plaster;
• kev tiv thaiv cov khoom lag luam uas raug rau cov kua thiab cov tshuaj txhoj puab heev;
• impregnation ntawm fiberglass, iav mats thiab fiberglass.

Daim ntawv thov zoo nkauj ntawm cov khoom siv hauv nqe lus nug yuav yog kev tsim cov hniav nyiaj hniav kub hauv Xuas tes ua.

Hom nrov

Ua ntej yuav khoom epoxy, koj yuav tsum paub koj tus kheej nrog cov khoom lag luam ntawm cov npe nrov tshaj plaws, uas twb tau pov thawj lawv tus kheej los ntawm qhov zoo tshaj plaws

QTP-1130 . Cov qib ntawm epoxy no muaj ntau yam thiab ua haujlwm zoo tshaj plaws rau cov tais countertops. Nws yuav yog qhov kev xaiv zoo tshaj plaws rau cov neeg uas tsis muaj kev paub dhau los hauv qhov teeb meem no. QTP-1130 kuj tseem siv rau decoupage txhaws, uas cuam tshuam cov duab thiab cov duab. Qhov sib tov yog pob tshab thiab tsis tig daj tom qab tawv. Nws muaj qhov qis viscosity, vim tias cov voids tau ntim zoo, saum npoo tom qab nchuav zoo li tus kheej-qib. Cov txheej txheej tuab tshaj plaws uas tuaj yeem ua nrog QTP-1130 yog 3 mm. Thiab kuj yog lub npe zoo tshaj plaws rau siv ntawm cov rooj kas fes tsis loj heev thiab sau cov rooj.

ED-20 . Qhov kom zoo dua ntawm no yuav yog nws cov khoom tsim tawm raws li lub teb chaws GOST. Qhov tsis zoo ntawm hom khoom yog tias qee qhov ntawm nws cov yam ntxwv yog qhov qub dhau los thiab me ntsis tsis ua tau raws li qhov xav tau niaj hnub no. Hom epoxy no yog qhov khov heev, uas ua rau huab cua ua npuas thaum tsim cov tawv tawv ntxiv. Tom qab qee lub sijhawm, pob tshab ntawm ED-20 txo qis, txheej pib tig daj. Qee qhov kev hloov kho yog ua los ntawm kev txhim kho lub zog thiab siv rau txhawm rau txhawm rau hauv pem teb. Ib qho txiaj ntsig tseem ceeb yog tus nqi qis ntawm cov tshuaj no.

Crystal iav . Cov khoom lag luam ntawm hom no yog tsim hauv Yaroslavl. Nws muaj cov dej zoo thiab yog ib qho kev daws teeb meem zoo tshaj plaws rau sau thaj chaw loj. Cov tawv tawv feem ntau yog muab rau hauv cov khoom siv, tom qab sib tov nrog cov tshuaj uas yuav tsum tau muab tso ua ntej siv, uas txhim kho qhov viscosity ntawm cov khoom. Feem ntau cov tshuaj no yog siv los ntawm cov kws txawj txawj. Nws tseem yog qhov xav tau zoo hauv cov hniav nyiaj hniav kub ua ntu.

Ib lub npe zoo epoxy uas tau tsim hauv Tebchaws Yelemees yog MG-EPOX-STRONG . Nws nyiam kev hwm zoo ntawm cov kws tshaj lij. MG-EPOX-STRONG muaj qhov tshwj xeeb los ntawm lub zog siab thiab pob tshab. Thiab txawm tias tom qab ib ntus, txheej txheej nrog nws tsis tig daj. Ib qho ntawm cov yam ntxwv ntawm cov khoom lag luam no yog tias nws feem ntau tawv tag nrho hauv 72 teev.

Epoxy CR 100 - Cov . Cov khoom lag luam ntawm cov khoom lag luam yog thoob ntiaj teb thiab muaj kev nyab xeeb ntau li ntau tau rau kev noj qab haus huv. Nws muaj cov yam ntxwv zoo tshaj plaws thiab muaj qhov txawv los ntawm kev tiv thaiv zoo li qub, tshuaj tsis haum, thiab ua haujlwm tsis zoo. Coob tus kws tshaj lij xav txog hom khoom no yog qhov zoo tshaj plaws hauv khw.

Yuav siv li cas?

Ib tus xov tooj ntawm cov kws ua haujlwm ua haujlwm zoo nrog cov pawg ntawm cov yas nyob hauv tsev los kho ntau yam khoom thiab khoom, nrog rau siv cov nplaum raws nws. Tab sis nws yuav nyuaj rau ib tus neeg yam tsis muaj kev paub los siv cov khoom siv no thaum xub thawj, vim tias nws yuav tsum nkag siab tias tsawg leej tib neeg yuav tuaj yeem ua kom lub tiaj tiaj thiab du nrog lawv tus kheej tes thawj zaug. Nws yuav tsis yog superfluous rau xyaum.

Koj yuav tsum tau ua tib zoo kawm cov lus qhia, uas yuav ua rau nws muaj peev xwm ua kom muaj txiaj ntsig zoo tshaj plaws, qhov txheej yuav tsis muaj ntau yam tsis xws luag - npuas, chips, pob. Yog tias nws tau txiav txim siab los xyaum, tom qab ntawd koj yuav tsum tsis txhob ua qhov no hauv chav nrog thaj chaw loj. Qhov laj thawj yog tias kev npaj tshwj xeeb ntawm lub hauv paus, kev tsim ua kom zoo thiab yuav tsum tau thov txawm tias txheej txheej yuav tsum tau ua. Cov kws tshaj lij uas cuam tshuam nrog kev ua teb tau thov siv txoj hauv kev dov tawm txhua txheej ua ntej pib ua polymerization . Tus tswv yooj yim taug kev ntawm cov pos, uas ua rau nws muaj peev xwm tiv thaiv cov ntaub pua plag tshiab. Lwm qhov nyuaj yog qhov xav tau siv cov menyuam tshwj xeeb rau cov tshuaj polymeric nrog cov hniav, me ntsis nco txog cov zuag uas tau siv rau zaws. Cov menyuam no ua rau nws muaj peev xwm tshem tag nrho cov huab cua los ntawm txheej. Nws yog qhov tseeb tias kev ua haujlwm no tsuas tuaj yeem ua los ntawm ib tus neeg uas muaj kev paub dhau los.

Tab sis yog tias koj xav tau kho kom zoo nkauj me me, tom qab ntawd txhua yam yuav yooj yim dua. Txhawm rau ua qhov no, koj yuav tsum muaj cov hauv qab no ntawm tes:

• cov tais diav pov tseg;
• ntoo ua los ntawm ntoo;
• ncaj qha cob nrog tawv tawv;
• cov xim
• daim ntawv tsis muaj lossis nrog tus cais.

Rau 100 grams ntawm cov khoom, 40 milliliters ntawm cov tawv tawv xav tau, tab sis qhov sib piv yuav txawv. Qhov no yuav nyob ntawm tus tsim khoom cov lus pom zoo. Cov tshuaj yuav tsum tau ua kom sov me ntsis me ntsis thiab tsis rub tawm ntawm pob. Txhawm rau ua qhov no, koj yuav tsum muab nws tso rau hauv dej, qhov kub uas yog +60 degrees Celsius, thiab khaws nws hauv nws li 10 feeb. Tom qab ntawd, nws tau muab tshem tawm thiab muab tso rau hauv cov tais uas siv tas pov tseg lossis lwm lub ntim uas tuaj yeem pov tseg tau tom qab siv tas. Qhov loj yuav tsum tau kneaded rau 180 vib nas this. Txhawm rau kom qhov txiaj ntsig kom ntau li ntau tau uas yuav tsum tau ua, koj yuav tsum nco ntsoov cov hauv qab no:

• av noo hauv chav yuav tsum yog qhov siab tshaj ntawm 55 feem pua;
• qhov kub yuav tsum yog los ntawm +25 txog +30 degrees Celsius;
• chav yuav tsum huv si kom ntau li ntau tau.

Kev tsis ua raws li ib qho ntawm cov xwm txheej tuaj yeem txo qhov txiaj ntsig ntawm qhov txiaj ntsig tau txais. Qhov phem tshaj yuav yog tsis ua raws li qhov ntsuas dej noo tau txais. Cov ntoo uas tsis thim nrog cov tawv tawv yog "txaus ntshai" ntawm kev nkag ncaj qha ntawm cov dej thiab cov av noo ntawm huab cua nyob hauv chav.

Cov chaw uas yuav ua haujlwm yuav tsum tau teeb tsa hauv kab rov tav hauv qib, txwv tsis pub cov khoom tuaj yeem tsis sib luag. Tsis txhob hnov qab tias cov pwm yuav nyob hauv ib qho chaw kom txog thaum cov khoom tiav yog polymerized kiag li. Nws yuav tsum nyob qhov twg nws yooj yim. Tom qab nchuav txhua txheej tshiab, cov khoom yuav tsum tau muab zais los ntawm hmoov av.

Yog tias peb tham ncaj qha txog cov txheej txheem ntawm kev ua haujlwm, tom qab ntawd nws yuav tsum tau ua tiav raws li cov txheej txheem hauv qab no:

1. nyob rau hauv cov tshuaj uas tau sib xyaw ua ntej, ntxiv qhov xav tau ntawm cov tawv tawv;
2. tsis hnyav heev, kev daws teeb meem yuav tsum tau sib tov txog li ib feem peb ntawm ib teev;
3. yog tias muaj huab cua nyob hauv qhov muaj pes tsawg leeg, lawv yuav tsum raug tshem tawm, uas tuaj yeem ua tiav los ntawm kev tso cov tshuaj rau hauv qhov chaw nqus, lossis ua kom sov nws nrog lub tshuab hlawv, tab sis kom sov tsis tshaj li +60 degrees, txwv tsis pub muaj pes tsawg leeg yuav deteriorate;
4. yog tias muaj cov npuas uas tau daig rau saum npoo, tom qab ntawd lawv yuav tsum tau ua tib zoo hlais nrog tus pas txhuam hniav thiab nchuav cawv me ntsis mus rau qhov hnyav;
5. nws tseem tso cov txheej kom qhuav.

Tsis pub dhau ib teev, nws yuav pom meej tias qhov ntim tau zoo npaum li cas . Yog tias muaj pes tsawg tus exfoliates, qhov no yuav txhais tau tias qhov ntom ntom ntawm cov khoom sib xyaw ua kom tsis sib luag vim qhov xaiv tsis raug. Nws kuj tseem tuaj yeem ua rau muaj kab mob thiab kab txaij ntawm qhov chaw. Ua kom tiav cov khoom sib xyaw tuaj yeem ntev txog 2 hnub, nyob ntawm qhov tuab ntawm txheej txheej thiab qib ntawm epoxy siv.

Nws yuav tsum tau hais tias ib tus yuav tsum tsis txhob ua kom tuab ntau dua 2 centimeters, tshwj xeeb tshaj yog rau cov neeg tsis muaj kev paub.

Yog tias koj kov cov pawg uas tsis tau ua kom tawv tawv, yuav muaj kev sib yuav . Tab sis koj tuaj yeem ua kom nrawm dua ntawm kev kho cov tshuaj. Txhawm rau ua qhov no, tom qab pib ua kom khov, uas tshwm sim tom qab ob peb teev ntawm qhov kub ntawm +25 degrees, hloov cov pwm mus rau lub tshuab ziab khaub ncaws thiab qhuav ntawm qhov kub ntawm +70 degrees. Hauv qhov no, txhua yam yuav npaj tau hauv 7-8 teev.

Nco ntsoov tias nws yog qhov zoo tshaj los siv tsis ntau tshaj 200 grams ntawm cov tshuaj thawj zaug . Nws yog ntawm tus nqi no uas qhov kev txiav txim ntawm kev ua haujlwm, lub sijhawm tawv thiab lwm cov ntsiab lus yuav tsum tau hais meej. Cov txheej txheej tom ntej yuav tsum tsis txhob nchuav ua ntej 18 teev tom qab txheej yav dhau los tau nchuav. Tom qab ntawd cov nplaim ntawm cov txheej txheej dhau los yuav tsum tau ua cov xuab zeb zoo, tom qab ntawd daim ntawv thov tom ntej ntawm cov muaj pes tsawg leeg tuaj yeem ua tiav. Tab sis koj tuaj yeem nquag siv ntau txheej khoom tsis pub dhau 5 hnub tom qab kev npaj.

Kev ruaj ntseg ntsuas

Nws yuav tsis yog qhov tseem ceeb los hais txog qee qhov ntsuas kev nyab xeeb thaum ua haujlwm nrog epoxy cob. Txoj cai tseem ceeb yog tias nyob rau hauv daim ntawv uas tsis tau kho, qhov muaj pes tsawg leeg yog qhov txaus ntshai rau tib neeg kev noj qab haus huv, uas txhais tau tias nws tsis muaj peev xwm ua haujlwm nrog nws yam tsis muaj kev tiv thaiv.

Kev ua haujlwm tsuas yog siv cov hnab looj tes thiab cov khaub ncaws tiv thaiv, txwv tsis pub cov yas tuaj yeem ua rau tawv nqaij kub hnyiab, tawv nqaij thiab ua rau lub cev ua pa puas tsuaj.

Kev ceev faj tam sim yuav muaj raws li hauv qab no:

• tsis txhob siv cov tais diav zaub mov thaum ua haujlwm nrog cov khoom nug;
• kev sib tsoo ntawm cov khoom tiav yog nqa tawm tshwj xeeb hauv lub tshuab nqus pa thiab tsom iav;
• koj yuav tsum nco ntsoov txog lub txee lub neej thiab qhov kub tsis tshaj +40 degrees;
• yog tias muaj pes tsawg leeg ntawm daim tawv nqaij ntawm ib tus neeg, nws yuav tsum tau muab ntxuav tam sim ntawd nrog xab npum thiab dej lossis cawv tsis muaj npe;
• kev ua haujlwm yuav tsum tsuas yog ua hauv chav uas muaj cua nkag tau zoo.