The rage tsawo na gwajin block a cikin mold bayan gyare-gyare characterizes sakamakon hydroxypropyl methylcellulose a kan girma kwanciyar hankali na kumfa kankare. Ana iya ganin cewa adadin 0.05% hydroxypropyl methylcellulose shine mafi kyawun sashi, kuma lokacin da adadin hydroxypropylmethylcellulose ya kasance 0.05%, raguwar tsawo yana ƙaruwa. Binciken ya nuna cewa lokacin da hydroxypropyl methylcellulose ya dace, zai iya rage girman raguwar jiki mai taurare yayin da yake inganta yawan ruwa na slurry. A lokacin aikin hardening na slurry, ruwa yana ci gaba da ɓacewa. Har ila yau, kumfa na cikin gida yana jin kunya kullum, kuma ragewar jiki mai taurin ba makawa. Wannan yana haifar da ƙarar daɗaɗɗen jiki ya zama marar ƙarfi, kuma haɗuwa da hydroxypropyl methylcellulose ba wai kawai yana ba da jiki mai tauri ba Ba wai kawai yana da sakamako mai kyau na riƙe ruwa ba, har ma yana daidaitawa da kuma taurare kumfa na farko ta hanyar halayen slurry hardening da hydroxypropyl. methylcellulose fim hardening a lokaci guda, don yin wasa mai kyau kumfa stabilizing sakamako da kuma rage shrinkage na taurare girma jiki.
Tabbatar da kumfa mai taimako
Yayin da adadin hydroxypropyl methylcellulose ya karu zuwa 0.5%, raguwa ya ragu kadan. Bayanan sun nuna cewa lokacin da abun ciki na hydroxypropyl methylcellulose bai wuce 0.05% ba, ƙari na hydroxypropyl methylcellulose zai iya inganta yawan ruwa da danko na slurry mai kumfa. Bayan da hydroxypropyl methylcellulose aka narkar da, a m m na roba fim da aka kafa tsakanin m lokaci barbashi da gas lokaci kumfa, wanda yana da kyau kwarai m sakamako a lokacin hadawa tsari. Slurry yana da kyauta kuma "ball", wanda ke inganta haɓakar ruwa na sabobin gauraye slurry: amma idan adadin hydroxypropyl methylcellulose ya wuce 0.5%, slurry zai zama danko sosai kuma za a rage yawan ruwa sosai. Duk da haka, 0.05% hydroxypropyl methylcellulose ba kawai tabbatar da slump ba, amma kuma yana tabbatar da kumfa na iska, wanda shine manufa don ƙara mutane.
Lokacin aikawa: Afrilu-23-2023