Chiyambi chachiwiri
Chothandizira Kulumikizana kwa Mafilimu, chomwe chimadziwikanso kuti Chothandizira Kulumikizana. Chikhoza kulimbikitsa kuyenda kwa pulasitiki ndi kusintha kwa elasticity ya polymer compound, kukonza magwiridwe antchito a coalescence, ndikupanga filimu pa kutentha kosiyanasiyana kwa kapangidwe kake. Ndi mtundu wa pulasitiki womwe ndi wosavuta kuutaya.
Zosungunulira zamphamvu zomwe zimagwiritsidwa ntchito kwambiri ndi ma polima a ether alcohol, monga propylene glycol butyl ether, propylene glycol methyl ether acetate, ndi zina zotero. Ethylene glycol butyl ether, yomwe kale inkagwiritsidwa ntchito kwambiri, yaletsedwa m'maiko ambiri chifukwa cha poizoni wake woberekera m'thupi la munthu.

IIntchito
Kawirikawiri, emulsion imakhala ndi kutentha kopanga filimu. Pamene kutentha kwa mlengalenga kuli kotsika kuposa kutentha kopanga filimu ya emulsion, emulsion si yophweka kupanga filimu. Film Coalescing Aid imatha kukonza makina opangira emulsion ndikuthandizira kupanga filimuyo. Filimuyo ikapangidwa, Film Coalescing Aid idzasinthasintha, zomwe sizidzakhudza makhalidwe a filimuyo.
Mu dongosolo la utoto wa latex, chinthu chopangira filimu chimatanthauza CS-12. Pakupanga dongosolo la utoto wa latex, zinthu zenizeni za chinthu chopangira filimu pazigawo zosiyanasiyana zimakhala zosiyana, kuyambira 200#Paint Solvent mpaka Ethylene Glycol. Ndipo CS-12 imagwiritsidwa ntchito kwambiri mu dongosolo la utoto wa latex.

III. Chiwerengero cha Zinthu Zakuthupi ndi Zamankhwala
Chiyero ≥ 99%
Malo Owira 280 ℃
Malo Owala ≥ 150℃

IV. Makhalidwe Ogwira Ntchito
Chogulitsachi chili ndi kutentha kwambiri, chimagwira bwino ntchito zachilengedwe, chimasinthasintha bwino, sichisinthasintha, chimatha kuyamwa mosavuta ndi tinthu ta latex, ndipo chimatha kupanga utoto wabwino kwambiri wopitilira. Ndi chinthu chopangira filimu chomwe chimagwira ntchito bwino kwambiri pa utoto wa latex. Chikhoza kusintha kwambiri momwe utoto wa latex umagwirira ntchito. Sichimangogwira ntchito pa acrylate emulsi, styrenevinyl acetate emulsion, ndi vinyl acetate-acrylate emulsion, komanso pa PVAC emulsion. Kuwonjezera pa kuchepetsa kutentha kochepa kwa utoto wa emulsion, chingathandizenso kuphatikizika kwa utoto, kukana nyengo, kukana kukanda ndi kukulitsa mtundu wa utoto wa emulsion, kuti filimuyo ikhale ndi kukhazikika bwino kosungira nthawi imodzi.

V. Mtundu wa Mankhwala
1. Mowa
(monga benzyl alcohol, Ba, ethylene glycol, propylene glycol ndi hexanediol);
2. Ma Ester a Mowa
(monga dodecanol ester (monga Texanol ester kapena CS-12));
3. Mowa wa Ether
(ethylene glycol butyl ether EB, propylene glycol methyl ether PM, propylene glycol ethyl ether, propylene glycol butyl ether, dipropylene glycol monomethyl ether DPM, dipropylene glycol monomethyl ether DPNP, dipropylene glycol monomethyl ether DPNB, tripropylene glycol n-butyl ether tpnb, propylene glycol phenyl ether PPH, ndi zina zotero);
4. Mowa Ether Esters
(monga hexanediol butyl ether acetate, 3-ethoxypropionic acid ethyl ester EEP), ndi zina zotero;

VI. Kukula kwa Ntchito
1. Zophimba nyumba, zophimba zamagalimoto zapamwamba komanso zophimba zokongoletsa zophimba
2. Chosungunulira choteteza chilengedwe chosindikizira ndi kupaka utoto nsalu
3. Amagwiritsidwa ntchito mu inki, chochotsera utoto, zomatira, chotsukira ndi mafakitale ena

VII. Kagwiritsidwe Ntchito ndi Mlingo
4%-8%
Malinga ndi kuchuluka kwa emulsion, kuwonjezera kawiri pa gawo lililonse ndikuwonjezera theka la zotsatira zake pa gawo labwino lopera kungathandize kunyowetsa ndi kufalitsa utoto ndi zodzaza. Kuwonjezera theka la gawo la utoto kungathandize kupewa thovu.
Malinga ndi kuchuluka kwa emulsion, pa siteji iliyonse, mukawonjezera kawiri, zotsatira zake zimakhala zabwino. Kuwonjezera theka mu siteji yopera kumathandiza kunyowetsa ndi kufalikira kwa utoto ndi zodzaza, ndipo kuwonjezera theka mu siteji yosinthira utoto kumathandiza kuletsa mapangidwe a thovu.
[Kulongedza]
200 kg/25kg ng'oma
[Kusunga]
Imayikidwa pamalo ozizira, ouma komanso opumira bwino, kupewa dzuwa ndi mvula.

VIII. Chithandizo Chokhazikika ndi Chabwino Chothandizira Kulumikiza Mafilimu
Makhalidwe otsatirawa ayenera kupezeka pa chinthu chokhazikika komanso choyenera kupanga filimu:
1. Chothandizira Chogwirizanitsa Mafilimu chiyenera kukhala chosungunulira champhamvu cha polima, chomwe chili ndi mphamvu yabwino kwambiri yopangira mafilimu pamitundu yambiri ya ma resini ochokera m'madzi, ndipo chimagwirizana bwino. Chingathe kuchepetsa kutentha kochepa kopangira mafilimu kwa utomoni wochokera m'madzi, komanso ngati chingakhudze mawonekedwe ndi kuwala kwa filimu ya utoto;
2. Ili ndi ubwino wa fungo lochepa, mlingo wochepa, zotsatira zabwino kwambiri, chitetezo chabwino cha chilengedwe, komanso kusinthasintha kwina. Imatha kusintha bwino kuchuluka kwa kuumitsa kuti igwire bwino ntchito yomanga;
3. Kukhazikika kwabwino kwa hydrolysis, kusungunuka kochepa m'madzi, kuchuluka kwake kwa volatilization kuyenera kukhala kotsika kuposa madzi ndi ethanol, ndipo kuyenera kusungidwa mu kupaka utoto musanapange filimu, ndipo kuyenera kusungunuka kwathunthu filimu ikapangidwa, zomwe sizikhudza magwiridwe antchito a kupaka utoto;
4. Itha kugwiritsidwa ntchito kuyamwa pamwamba pa tinthu ta latex, zomwe zingagwiritsidwe ntchito kuyamwa tinthu ta latex ndi magwiridwe antchito abwino kwambiri. Utomoni wosungunuka kwathunthu ndi kutupa wochokera m'madzi sudzakhudza kukhazikika kwa tinthu ta latex.

IX. Malangizo a Chitukuko
Ngakhale kuti Film Coalescing Aid imakhudza kwambiri kapangidwe ka utoto wa emulsion, Film Coalescing Aid ndi zinthu zosungunulira zachilengedwe ndipo zimakhudza chilengedwe. Chifukwa chake, njira yake yopangira zinthu ndi yothandiza kwambiri pa chilengedwe. Film Coalescing Aid:

1. Ndi kuchepetsa fungo. Chisakanizo cha coasol, DBE IB, optifilmenhancer300, TXIB, chisakanizo cha TXIB ndi Texanol chingachepetse fungo. Ngakhale kuti TXIB ndi yofooka pang'ono pochepetsa MFFT komanso kusambitsidwa msanga, ikhoza kukonzedwa bwino posakaniza ndi Texanol.
2. Zichepetsa VOC. Chithandizo Chophatikiza Mafilimu ambiri ndi mbali zofunika kwambiri za VOC, kotero ngati chithandizo chophatikiza mafilimu chochepa chikugwiritsidwa ntchito, ndibwino. Kusankha kwa Chithandizo Chophatikiza Mafilimu kuyenera kuperekedwa patsogolo pa zinthu zomwe sizili mkati mwa malire a VOC, koma kusasinthasintha sikuyenera kukhala pang'onopang'ono kwambiri ndipo mphamvu yopanga filimuyo ndi yayikulu. Ku Europe, VOC imatanthauza mankhwala okhala ndi malo owira ofanana kapena otsika kuposa 250 ℃. Zinthu zomwe zili ndi malo owira opitirira 250 ℃ sizigawidwa mu VOC, kotero Chithandizo Chophatikiza Mafilimu chimakula kufika pamalo owira kwambiri. Mwachitsanzo, coasol, lusolvanfbh, DBE IB, optifilmenhancer300, diisopropanoladipate.
3. Ndi poizoni wochepa, wotetezeka komanso wovomerezeka kuwonongeka.
4. Ndi chinthu chogwira ntchito popanga filimu. Dicyclopentadienoethyl acrylate (DPOA) ndi chinthu chachilengedwe chosasungunuka chomwe chimasungunuka, ndipo homopolymer yake TG = 33 ℃, palibe fungo. Mu kapangidwe ka utoto wa emulsion wokhala ndi TG yokwera, palibe chothandizira chogwirizanitsa mafilimu chomwe chimafunikira, pomwe DPOA ndi chowonjezera chochepa cha zowumitsa zimawonjezedwa, monga mchere wa cobalt. DPOA imatha kuchepetsa kutentha kwa kupanga filimu, ndikupanga filimu ya utoto wa emulsion kutentha kwa chipinda. Koma DPOA si yosinthasintha, osati yoteteza chilengedwe chokha, komanso yosungunuka ndi polymerization yaulere yosungunuka pansi pa zochita za desiccant, zomwe zimawonjezera kuuma, anti viscosity ndi kuwala kwa filimuyo. Chifukwa chake, DOPA imatchedwa active film-forming agent.


Nthawi yotumizira: Meyi-07-2021