Kev siv VAE Emulsion rau hauv cov lus qhia ntawm lub tsev

Yog li cas Vinyl Acacetate Ethylene Emulsion yog zoo heev rau cov coating rau hauv tsev

Cov qhov kev ua lej ntawm cov molekool: Yog li cas cov kev ua lej ntawm vinyl acetate–ethylene copolymer yog ua rau muaj hydroplastification thiab kev ua cov film uas muaj Tg siab

Cov emulsion ntawm vinyl acetate ethylene (VAE) muaj kev zoo heev rau cov coating hauv tsev los ntawm qhov kev ua lej ntawm cov molekool uas muaj kev sib npaug. Thaum ua cov copolymerization, cov qhov ntsuas ntawm vinyl acetate sib sau rau cov qhov ntsuas ntawm ethylene—tshwj xeeb yog nyob rau hauv 15–25% ntawm qhov loo—los ua rau muaj cov polymer backbone uas sib sau tau zoo heev tsis txhob muaj cov plasticizers ntau dua. Qhov kev ua lej no yog ua rau hydroplastification : dej yuav ua rau cov film pom zoo dua thaum suav, ua rau cov particles sib sau tau nyob rau hauv qhov ceev siab (Tg yog ib puag qhov –3°C). Vim li no, cov VAE emulsions yuav ua rau cov VOCs pom zoo dua 30–50% vim compared rau cov acrylics tshwj xeeb lossis cov PVAs uas muaj cov plasticizers. Cov qhov ntsuas ntawm ethylene uas muaj kev nyuaj rau dej kuj pab ua rau cov film muaj kev nyuaj rau dej—ua rau dej tsis tau mus rau hauv—thaum muaj kev nyuaj rau dej thiab kev nyuaj rau cov film, tsis txhob muaj kev nyuaj rau kev sib sau lossis kev nyuaj rau kev sib sau.

Tshuab tswv yim ntawm kev ua haujlwm: kev ntsuas, kev nyhaum, thiab kev tiv taus riam thaum lub plasters thiab lub drywall poob qhov cua

VAE emulsions muab tshuab tswv yim ntawm kev ua haujlwm ob peb yam uas sib pab tias rau kev ua haujlwm hauv tsev. Thaum kawg, cov ethylene (15–25%) muab kev ntsuas tshwj xeeb, uas pab cov lus ua haujlwm kom paub txog kev ntsuas thiab kev ntsuas ntawm cov plasters thiab drywall thaum poob qhov cua—thiab txog kev riam ntau dua 80%. Ob, cov vinyl acetate groups tsim kev nyhaum tshaj plaws rau cov gypsum thiab cellulose, uas muab kev nyhaum tshaj plaws tshaj 2.5 MPa—40% siab dua li PVA lossis cov acrylic binders tshwj xeeb hauv ASTM D3359 cross-hatch testing. Peb, cov copolymer muab kev ntsuas ntau dua (98% rau cov plasters tshiab thaum kawg, thiab 60–70% rau cov binder tshwj xeeb) uas pab nws kom txhawb cov riam ntau ntawm cov plasters, thiab tso cov film tshaj plaws rau cov ntaub ntawv uas tsis zoo. Ntawd ob peb yam tshuab tswv yim no pab tshuab kev ua haujlwm zoo thiab tsis xav tau kev suav xyuas ntau rau kev ua haujlwm nyob rau hauv kev ua haujlwm nyob ze rau kev ua haujlwm nyob hauv qhov chaw.

Tus lus piav: Tsuas yog tsis muaj cov khoom sib sau rau hauv ntu no vim tias txhua yam ntawm cov lus qhia yog tsis muaj peev xwm raws li cov lus qhia.

Zoo dua nyob rau hauv kev tshem tswv yim thiab kev tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim ntawm cov ntaub......

Lus qhia ntawm ASTM D2486: Zoo dua nyob rau hauv kev tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov ntaub ntawv tshem tswv yim thiab cov......

Raw li cov lus qhia ntawm ASTM D2486, cov ntaub ntawv tshem tswv yim rau hauv lub tsev uas muaj VAE tuaj yeem tshem tswv yim dua 5,000 zaug—zoo dua ob zaug rau cov ntaub ntawv tshem tswv yim acrylic (2,000–3,000 zaug) thiab zoo dua tsib zaug rau cov ntaub ntawv tshem tswv yim PVA (nws yog <1,000 zaug). Qhov zoo dua no yog los ntawm cov ntaub ntawv tshem tswv yim uas muaj kev zoo dua thiab muaj kev sib koom ua ke, uas tshem tswv yim kev puas tsuaj rau hauv qhov tshem tswv yim. Yog li tsis zoo li cov ntaub ntawv acrylic uas muaj kev puas tsuaj rau hauv qhov tshem tswv yim, VAE tuaj yeem tshem tswv yim kev puas tsuaj thiab kev puas tsuaj rau hauv qhov tshem tswv yim.

Cov ntaub ntawv Ethylene (15–25%) thiab nws rooj hauv kev sib koom ua ke rau hauv qhov tshem tswv yim, kev tshem tswv yim rau hauv qhov tshem tswv yim thiab kev tshem tswv yim rau hauv qhov tshem tswv yim

Cov qhov kev tshuaj xyuas rau ethylene (15–25%) uas zoo dua yog qhov tseem ceeb rau kev ua haujlwm ntawm VAE. Nws tsim cov theem uas tsis muaj dej thiab ntsib rau kev ua haujlwm:

• Kev nyuaj ntawm lub duab uas muaj dej , txog kev nyuaj ntawm dej thiab ntxiv kev nyuaj rau kev tshem tawm los ntawm dej, thiab ntxiv kev nyuaj rau kev tshem tawm los ntawm dej 30% vim tias cov kev siv ethylene tsawg dua;
• Kev tshem tawm rau kev tshem tawm , tsim qhov khaub ncaws uas tshem tawm kev tshem tawm ntawm kaffee, dej ntawv, thiab cov dej uas muaj lus tshem tawm;
• Kev nyuaj rau kev tshem tawm , vim tias cov dej uas nyuaj dua tsis tuaj yeem tshem tawm los ntawm cov dej uas nyuaj dua thiab tshem tawm—tsim qhov duab nyuaj dua rau 50+ zaug tshem tawm.

Qhov kev pab tshaj tshuaj no yog qhov tseem ceeb rau VAE rau kev siv hauv tsev uas muaj ntau tus neeg mus los ntawm kev nyuaj rau kev nyuaj thiab kev nyuaj rau kev nyuaj.

Kev nyuaj rau VOC thiab kev nyuaj rau kev nyuaj ntawm Vinyl Acetate Ethylene Emulsion

Kev nyuaj rau coalescent tshem tawm 30–40%, thiab pab rau LEED thiab GreenGuard certification

VAE emulsions yuav tshem tawm kev siv cov coalescents uas muaj qhov ntau thiab tsis zoo rau hauv kev sau suav—tshem tawm 30–40% ntawm kev siv cov acrylic systems uas tseem ceeb. Vim tias cov copolymer yuav ua cov film raws li qhov teeb meem ntawm qhov cua, nws tshem tawm kev xav tau rau cov solvent-based aids uas pab cuam rau kev siv VOC. Qhov no yog qhov tshwj xeeb rau kev txhim kho qhov cua hauv tsev thiab sib npaug rau cov kev kawm tshiab uas tseem ceeb: cov coatings uas muaj VAE yuav tshwm sim rau kev xaiv LEED v4.1 rau "Low-Emitting Materials" thiab muaj kev pab rau GreenGuard Gold certification rau kev siv VOC thiab kev siv cov chemical tshiab. Cov neeg sau suav hais tias lawv tuaj yeem txhim kho kev siv cov kev kawm hauv lub ntiaj teb—piv rau EU Directive 2004/42/CE—nrog 25% nyob rau hauv qhov sib npaug, tsis muaj kev tshwm sim rau qhov sib npaug ntawm open time, leveling, lossis film hardness.

EMICODE EC1 PLUS yuav tshwm sim los ntawm kev siv formaldehyde thiab aldehyde tshaj tawm tshaj plaws

VAE emulsions tuaj yeem txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj......

Kev ua haujlwm txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso hauv qhov chaw nyob hauv tsev thiab txhawb kev sib twj tso h......

VAE emulsions txhais qhov kev sib npaug ntau thiab qhov kev sib npaug ntawm cov lus qhia uas muaj kev sib npaug rau cov chaw nyob hauv tsev thiab cov chaw sib xyaw. Rau cov tsev nyob thiab cov tsev sib xyaw, qhov kev sib npaug ntawm lawv txhais qhov tsis tuaj yeem ua rau qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev nyob los ntawm qhov tsev ny......

FAQ

Yam twg yog qhov ua rau Vinyl Acetate Ethylene (VAE) emulsions zoo dua rau cov lus qhia hauv tsev? VAE emulsions yog zoo dua li cas no, vim tias nws muaj qhov kev ua haujlwm ntawm cov molecular architecture uas tswj hwm, uas pab txhim kho cov khoom siv thiab ua cov film hauv qhov ceev ntau dua, uas txo cov VOCs thiab ntxiv qhov txaus rau cov dej, tsis txo qhov txaus rau kev khaub ncaws lossis qhov txaus rau kev tswj hwm.

Yog li cas VAE emulsions pab ntxiv qhov ua haujlwm ntawm lub ciaj ciaj hauv tsev? VAE emulsions txo qhov ntau ntawm cov VOCs los ntawm 30-40% vim compared to acrylics, pab rau cov kev tshuaj xyuas li LEED thiab GreenGuard, vim tias nws muaj qhov paub ua cov film tsis tau nyob rau hauv qhov ntau ntawm cov volatile coalescents.

Yog li cas yog cov kev ua haujlwm ntawm VAE emulsions hauv cov chaw uas muaj neeg ntau? VAE emulsions ntxiv qhov txaus rau kev tswj hwm thiab qhov txaus rau kev tshuaj tshuaj, uas pab cov khoom siv tswj hwm ntau dua 5,000 scrub cycles thiab tso cia qhov appearance retention thiab hygiene, uas yog qhov txaus rau cov chaw uas muaj neeg ntau.