Cellulose ndi polysaccharide yomwe imapanga solweble yosiyanasiyana yamadzi. Ma Traulose Opeputsa ndi osungunuka osakhazikika. Kugwiritsa ntchito kwake kugwiritsidwa ntchito kwa nthawi yayitali, zaka zopitilira 30, ndipo pali mitundu yambiri. Amagwiritsidwabe ntchito pafupifupi zojambula zonse zaposachedwa ndipo ndizofunikira kwambiri kwa otuwa. Matumba omasulira a celluloosic ndi othandiza kwambiri m'magulu am'madzi chifukwa amadzikuza okha madzi. In the paint industry, the most commonly used cellulose thickeners are: methyl cellulose (MC), hydroxyethyl cellulose (HEC), ethyl hydroxyethyl cellulose (EHEC), hydroxypropyl cellulose (HPC), hydroxypropyl methyl cellulose (HPMC) and hydrophobically modified hydroxyethyl cellulose ( Hhehec). Hec ndi polysaride wa m'madzi wogwiritsidwa ntchito kwambiri pakukula kwa Matt ndi Semi-Gloss zomanga za Christx utoto. Otsatsa amapezeka m'makalasi osiyanasiyana ndi okutira ndi cellulose iyi kukhala ndi utoto wabwino kwambiri ndi kukhazikika kwa utoto.
Kukhazikitsa, odana ndi mafilimu, kupanga mafilimu ndi anti-anti-saging a piloni yolumikizira kudalira kulemera kwa Hec. Hec ndi ena osungunuka-osagwirizana ndi madzi omwe sakugwirizana ndi gawo lophimba lakuti. Ma Traulose Otsatsa a cellulose amatha kugwiritsidwa ntchito okha kapena osakanikirana ndi okuza ena kuti apeze chiwerewere chapadera. Cellulose eder amatha kukhala ndi zolemera zosiyana ndi ma vincy, kuyambira kochepa kwambiri kwa otsika 2% am'madzi a MP 10 000 MP.S. Maphunziro ocheperako otsika nthawi zambiri amagwiritsidwa ntchito ngati zoteteza mu utoto wa lalsion emulsion polymerization, komanso ma grad ambiri (mavisncren 4 800-50,000 mp · 10) amagwiritsidwa ntchito ngati otsatsa. Njira ya mtundu uwu wa Thickener imachitika chifukwa cha hydration wa hydrogen ndi zomangira pakati pa unyolo wake.
Cellulose yam'madzi ndi polecular yambiri yolemetsa yomwe imakula kwambiri kudzera muzochitika pakati pa ma unyolo. Chifukwa cha mamasukidwe apamwamba pamlingo wotsika, katundu wodetsayo ndi wosauka, ndipo zimakhudza kuwala kwa filimu. Pamasewera ometa ubweya, mafayilo ali otsika, kusakanitsa filimu yokutidwa ndi mafilimuwo siabwino. Makhalidwe ogwiritsira ntchito a Hec, monga burashi kukana, kujambula ndi kudzikuza ndi kudzikuza, amagwirizana mwachindunji ndi kusankha kwa Thicker. Komanso katundu wake woyenda monga wodekha ndi kukana kwa Aleg amakhudzidwa kwambiri ndi otuwa.
Hydrophophy Movied Cellulose (HMHIC) ndi Tsitsi wa Cydrophoose yemwe ali ndi kusintha kwa ma celdrophobic pa maunyolo ena otalika (magulu angapo a ma alkyl amayambitsidwa limodzi ndi kapangidwe kake). Kuphimba kumeneku kuli ndi mamasukidwe apamwamba pamlingo wapamwamba kwambiri chifukwa chake mapangidwe abwino. Monga wa Narosol kuphatikiza Gawo 330, 331, celloszeze sg-100, bermocoroll ehm-100. Mphamvu zake zakulima ndizofanana ndi zam'madzi za cellulose zomwe zimakhala ndi misa yayikulu kwambiri. Zimakhala bwino mafayilo ndi kuwongolera ico, ndikuchepetsa kusokonezeka kwa nkhope. Mwachitsanzo, kusokonezeka kwa Hec kuli pafupifupi 67 mn / m, ndipo nkhawa za Hhehec ndi 55 ~ mn / m.
Hhethec ali ndi zochulukirapo, zosakanizika, kusamba katundu, malo abwino abwino ndi anti-pinki. Amagwiritsidwa ntchito kwambiri ndipo alibe vuto pakupanga makanema a tinthu tating'onoting'ono tating'ono. Magwiridwe antchito abwino ndi magwiridwe antchito. Izi zimathandizanso kwambiri ndi matenda a vinyl acel acelelymer, ndipo kugwira kwake kuli ngati m'matumba ena ophatikizira, koma ndi mawonekedwe osavuta.
Nthawi Yolemba: Mar-16-2023