Mavitamini amachokera ku zamkati zachilengedwe za thonje kapena zamkati zamkati, zomwe zimapangidwa kudzera ku Ethewami. Zogulitsa zosiyanasiyana za cellulose zimagwiritsa ntchito othandizira osiyanasiyana. Wothandizila wogwiritsidwa ntchito mu hydroxyethyl cellulose (hec) ndi Ethylene oxide, ndipo wothandizila wogwiritsidwa ntchito mu hydroxypropyl, hpmc) ndi mitundu ina ya othandizira. (chloromethane ndi propylene oxide).
Mu utoto weniweni wa Szone ndi utoto wa latx, hydroxethyl cellulose ingagwiritsidwe ntchito ngati thickir.
Utoto weniweni ndi wosavuta kuthila chifukwa cha kuchuluka kwake kwa ophatikizika ndi mawonekedwe akulu. Ndikofunikira kuwonjezera thicker kuti iwonjezere mawonekedwe ake kuti akwaniritse mafayilo omwe amafunikira kupopera mbewu mankhwalawa pakumanga, kukonza kukhazikika kwake, ndikukwaniritsa mphamvu inayake.
Ngati mukufuna utoto weniweni kuti mukwaniritse mphamvu yabwino, madzi abwino kukana ndi kukana nyengo, kusankhidwa kwa zinthu zopangira ndipo kapangidwe ka formula ndi kofunikira kwambiri.
Nthawi zambiri, kuchuluka kwa emulsion omwe amagwiritsidwa ntchito ngati utoto wapamwamba kwambiri wa miyala adzakhala okwera kwambiri.
Mwachitsanzo, penipeni utoto weniweni, pakhoza kukhala 300kg ya acrylic emulsion ndi 650kg ya mchenga wachilengedwe. Zomwe zili zolimba za emulsion ndi 50%, kuchuluka kwa 300kg ya emulsion mutayanika kuli malita 150, ndipo kuchuluka kwa mchenga wa 650kg uli pafupifupi 228 malita. Ndiye kuti, pvc (voliyumu ya pigment) ya utoto weniweni ndi 60% nthawi ino, chifukwa tinthu tating'ono tating'ono komanso osakhazikika, ndipo pansi pa gawo lina, zouma Utoto weniweni wa Mwala ungakhale mu CPVC (yotsutsa misa yokhazikika). Kuchuluka kwa utoto jekeser) pafupifupi. Monga momwe Thicken amakhudzidwira ndi vuto, ngati mungasankhe kuwoneka bwino, utoto weniweni umatha kupanga filimu yokwanira ya utoto komanso yofinya kuti mukwaniritse zofuna zitatu za mwala weniweni. Ngati zomwe zili mu utoto weniweni wa Emulsion ili pansi, tikulimbikitsidwa kugwiritsa ntchito cellulose ndi ma vicler apamwamba kwambiri (monga momwe mitengo ya cellulose imathandizira, yomwe ingachepetse Mwala weniweni womwe umagwira ntchito ndi wabwinoko.
Opanga enieni azachuma enieni amagwiritsa ntchito hydroxypropyl mmalo mwa hydroxyethyl cellose ndi zinthu zina.
Poyerekeza ndi mitundu iwiri ya cellulose, hydroxthyl cellulose ili ndi chisungiko chabwino chamadzi, sichitaya chitetezo chamadzi chifukwa cha gelatin kutentha kwambiri, ndipo kapena kukana. Zoganizira, tikulimbikitsidwa kugwiritsa ntchito ma hydroxyethyl cellulose yokhala ndi mawonekedwe a 100,000 ngati wokulirapo utoto weniweni.
Post Nthawi: Apr-2822023