Da fari dai, ya kamata mu zabi acrylic mai dacewaretarding wakili. A lokaci guda, don tabbatar da rini, a cikin wanka ɗaya, ba lallai ba ne a ƙara nau'ikan surfactants iri biyu don amfani da wakili mai ragewa ko daidaitawa. A taƙaice magana, zai sami sakamako mafi kyau don ƙara surfactant guda ɗaya (Kashi: 0.5 ~ 1% owf) da sodium sulphate guda ɗaya anhydrous, kamar yadda Na2SO4 (Kashi: 5-10 g / L).
Na biyu, bai dace a yi amfani da hanyar rage zafin jiki ba. Gabaɗaya, da fatan za a ƙara rini a zafin ɗaki. Bayan fara yin rini, da fatan za a ɗaga zafin jiki zuwa 100 ℃ a ƙimar 1.5 ℃ / min, sa'an nan kuma ci gaba da rini a 100 ℃ na 40 ~ 60 min (daga launin haske zuwa launin duhu). A lokacin matakan kiyaye zafi, zafin jiki ya kamata ya kasance mai ƙarfi, amma ba sama da ƙasa ba, wanda shine guje wa rini na zobe.
A ƙarshe, bayanrini, don Allah rage yawan zafin jiki zuwa 65 ~ 70 ℃ a cikin wani kudi na 1 ℃ / min, sa'an nan kuma ƙara sanyi bayyananne ruwa yayin da lambatu kashe rini har sai an sanyaya. Bayan haka, da fatan za a sauke ragowar barasar a cikin wanka sosai kuma a wanke rini na saman da sauran ragowar da ruwa mai tsabta. Zai guje wa canza siffar fiber ko yadudduka kuma ya ba su taushi da taushin hannu.
Lokacin aikawa: Satumba-19-2022