Nyob rau xyoo tas los no, ntau cov hmoov roj hmab resin, cov hmoov roj hmab uas tiv taus dej muaj zog thiab lwm cov hmoov roj hmab pheej yig heev tau tshwm sim hauv kev ua lag luam los hloov cov VAE emulsion ib txwm muaj (vinyl acetate-ethylene copolymer), uas yog tshuaj tsuag-qhuav thiab rov ua dua tshiab. Cov hmoov roj hmab dispersible, ces qhov txawv ntawm cov hmoov roj hmab resin thiab cov hmoov roj hmab redispersible yog dab tsi, cov hmoov roj hmab resin puas tuaj yeem hloov cov hmoov roj hmab redispersible? Yongqiang Mortar Technology Center yuav coj koj mus rau kev tshuaj xyuas luv luv qhov txawv ntawm ob qho rau koj siv:
1. Cov hmoov latex uas yaj tau dua tshiab
Tam sim no, cov hmoov polymer dispersible uas siv dav hauv ntiaj teb yog: vinyl acetate thiab ethylene copolymer roj hmab hmoov (VAC/E), ethylene thiab vinyl chloride thiab vinyl laurate terpolymer roj hmab hmoov (E/VC/VL), acetic acid Vinyl ester thiab ethylene thiab cov roj fatty acid siab dua vinyl ester terpolymer roj hmab hmoov (VAC/E/VeoVa), peb cov hmoov polymer dispersible no tswj hwm tag nrho kev ua lag luam, tshwj xeeb tshaj yog vinyl acetate thiab ethylene copolymer roj hmab hmoov VAC/E/VeoVa E, muaj txoj haujlwm ua tus thawj coj hauv ntiaj teb thiab sawv cev rau cov yam ntxwv ntawm cov hmoov polymer dispersible. Tseem yog qhov kev daws teeb meem zoo tshaj plaws hauv kev paub txog kev siv polymers siv rau kev hloov kho mortar:
1. Nws yog ib qho ntawm cov polymers siv ntau tshaj plaws hauv ntiaj teb;
2. Muaj kev paub txog kev siv ntau tshaj plaws hauv kev tsim kho;
3. Nws tuaj yeem ua tau raws li cov khoom rheological uas cov mortar xav tau (piv txwv li qhov ua haujlwm tau xav tau);
4. Cov polymer resin nrog lwm cov monomers muaj cov yam ntxwv ntawm cov organic volatile compounds (VOC) thiab cov pa roj uas tsis khaus;
5. Nws muaj cov yam ntxwv ntawm kev tiv thaiv UV zoo heev, kev tiv thaiv cua sov zoo thiab kev ruaj khov mus sij hawm ntev;
6. Nws muaj kev tiv thaiv saponification siab;
7. Muaj qhov kub hloov pauv iav dav tshaj plaws (Tg);
8. Nws muaj kev sib txuas zoo, kev ywj pheej thiab cov khoom siv kho tshuab;
9. Muaj kev paub ntev tshaj plaws hauv kev tsim tshuaj lom neeg txog kev tsim cov khoom lag luam zoo thiab muaj kev paub txog kev tswj hwm kev ruaj khov ntawm kev khaws cia;
10. Nws yooj yim los ua ke nrog cov tshuaj tiv thaiv colloid (polyvinyl cawv) nrog kev ua tau zoo.
2. Hmoov resin
Feem ntau ntawm cov hmoov roj hmab "resin" hauv khw muaj cov tshuaj DBP. Koj tuaj yeem tshawb xyuas qhov tsis zoo ntawm cov tshuaj no, uas cuam tshuam rau kev ua haujlwm ntawm txiv neej. Muaj ntau cov hmoov roj hmab zoo li no tau muab tso rau hauv cov tsev khaws khoom thiab cov chaw soj nstuam, thiab lawv tsis ruaj khov rau qee qhov. Kev lag luam Beijing, uas nto moo rau nws cov khoom tsim "hmoov roj hmab", tam sim no tau tshwm sim ib hom "hmoov roj hmab" uas tau muab tso rau hauv cov kuab tshuaj nrog ntau lub npe: cov hmoov nplaum uas tiv taus dej siab, cov hmoov nplaum resin, thiab lwm yam. Cov yam ntxwv ib txwm muaj:
1. Tsis yooj yim tawg, qee qhov xav tias ntub, qee qhov xav tias flocculent (nws yuav tsum yog cov khoom siv porous zoo li sepiolite), thiab qee qhov yog dawb thiab me ntsis qhuav tab sis tseem tsw ntxhiab;
2. Tsw qab heev;
3. Muaj qee cov xim tau ntxiv lawm, thiab cov xim tam sim no yog dawb, daj, grey, dub, liab, thiab lwm yam.;
4. Tus nqi ntxiv yog me heev, thiab tus nqi ntxiv rau ib tuj yog 5 ~ 12 kg;
5. Lub zog thaum ntxov yog qhov zoo kawg nkaus. Cov cement tsis muaj zog rau peb hnub, thiab nws tuaj yeem ua rau lub rooj tsavxwm rwb thaiv tsev xeb thiab lo rau nws.
6. Lawv hais tias lub rooj tsavxwm XPS siv tau yam tsis muaj tus neeg sawv cev interface.
Los ntawm cov qauv tau txais txog tam sim no, nws tuaj yeem xaus lus tias nws yog cov tshuaj ua los ntawm cov kuab tshuaj uas nqus tau los ntawm cov khoom siv porous sib dua, tab sis tus neeg muag khoom xav kom tsis txhob siv lo lus "solvent" txhob txwm, yog li nws hu ua "hmoov roj hmab"
qhov tsis zoo:
1. Qhov kev tiv thaiv huab cua ntawm cov kuab tshuaj yog ib qho teeb meem loj. Hauv lub hnub, nws yuav yaj sai sai. Txawm tias nws tsis nyob hauv lub hnub, qhov sib txuas ntawm cov khoom yuav lwj sai dua vim yog qhov tsim ntawm qhov chaw;
2. Kev laus tsis kam, cov kuab tshuaj tsis tiv taus kub, txhua tus paub qhov no;
3. Vim tias lub tshuab sib txuas yog los yaj qhov interface ntawm lub rwb thaiv tsev, ntawm qhov tsis sib xws, nws kuj rhuav tshem qhov bonding interface. Yog tias muaj teeb meem nyob rau theem tom qab, qhov cuam tshuam yuav ua rau tuag taus;
4. Tsis muaj ib qho piv txwv rau kev thov rau txawv teb chaws. Nrog kev paub dhau los ntawm kev lag luam tshuaj lom neeg yooj yim txawv teb chaws, nws tsis yooj yim sua kom tsis pom cov khoom siv no.
kev xaus lus:
Cov hmoov polymer dispersible:
1. Cov khoom hmoov latex uas yaj tau dua yog cov hmoov uas yaj tau dua hauv dej, uas yog cov copolymer ntawm ethylene thiab vinyl acetate, thiab siv polyvinyl cawv ua cov colloid tiv thaiv.
2. VAE redispersible latex hmoov muaj cov khoom tsim zaj duab xis, 50% aqueous kua tsim cov emulsion, thiab nws tsim cov yas zoo li zaj duab xis tom qab muab tso rau ntawm iav rau 24 teev.
3. Cov yeeb yaj kiab uas tsim tau muaj qee qhov kev ywj pheej thiab kev tiv thaiv dej. Tuaj yeem ncav cuag cov qauv hauv tebchaws.
4. Cov hmoov latex uas tawg tau dua tshiab muaj kev ua tau zoo: nws muaj peev xwm sib txuas tau zoo, kev ua tau zoo tshwj xeeb thiab kev ua tau zoo tiv thaiv dej tsis nkag, lub zog sib txuas zoo, ua rau cov mortar tiv taus alkali zoo heev, thiab tuaj yeem txhim kho qhov nplaum thiab lub zog khoov ntawm cov mortar. , plasticity, hnav tsis kam thiab kev tsim kho, nws muaj kev ywj pheej ntau dua hauv cov mortar tiv thaiv kev tawg.
Cov hmoov av:
1. Cov hmoov roj hmab resin yog ib hom tshiab ntawm kev hloov kho rau roj hmab, resin, macromolecular polymer, hmoov roj hmab av thiab lwm yam tshuaj.
2. Cov hmoov roj hmab resin muaj zog dav dav, tsis yooj yim rau kev sib kis, qee qhov xav tias flocculent (nws yuav tsum yog cov khoom siv porous zoo li sepiolite), thiab hmoov dawb (tab sis muaj ntxhiab tsw zoo ib yam li kerosene)).
3. Qee cov hmoov resin ua rau lub rooj tsavxwm xeb, thiab kev tiv thaiv dej tsis zoo.
4. Cov hmoov roj hmab resin tsis yooj yim puas los ntawm huab cua thiab dej ntau dua li cov hmoov latex. Kev tiv thaiv huab cua yog ib qho teeb meem loj. Thaum tshav ntuj, nws yuav yaj sai sai. Txawm tias nws tsis nyob hauv tshav ntuj los xij, qhov sib txuas ntawm cov khoom sib txuas, vim nws yog ib qho chaw ua kom muaj qhov, nws kuj yuav lwj sai dua.
5. Cov hmoov roj hmab resin tsis muaj pwm thiab tsis yooj ywm. Raws li tus qauv tshuaj xyuas ntawm cov tshuaj pleev thaiv sab nraud rau phab ntsa sab nraud, tsuas yog qhov kev puas tsuaj ntawm cov polystyrene board ua tau raws li tus qauv. Lwm cov cim qhia tsis tau raws li tus qauv.
6. Cov hmoov resin tsuas yog siv tau rau kev sib txuas polystyrene boards, tsis yog rau kev sib txuas ntawm cov hlaws vitrified thiab cov fireproof boards.
Lub sijhawm tshaj tawm: Lub Kaum Hli-31-2022