Menene dacewar danko na hydroxypropyl methylcellulose (HPMC)?
Fulawar putty gabaɗaya tana da yuan 100,000, kuma buƙatun turmi sun fi girma, kuma ana buƙatar yuan 150,000 don sauƙin amfani. Bugu da ƙari, mafi mahimmancin aikin HPMC shine riƙe ruwa, sannan kauri. A cikin foda putty, matuƙar riƙe ruwa yana da kyau kuma ɗanɗanon ya yi ƙasa (70,000-80,000), haka nan yana yiwuwa. Tabbas, mafi girman ɗanɗanon, mafi kyawun riƙe ruwa. Lokacin da ɗanɗanon ya wuce 100,000, ɗanɗanon zai shafi riƙe ruwa. Ba a ƙara yin hakan ba.
Mene ne hanyoyin narkar da hydroxypropyl methylcellulose (HPMC)?
(1) Farin fata: Duk da cewa Baidu ba zai iya tantance ko HPMC yana da sauƙin amfani ba, kuma idan an ƙara sinadaran yin fari a lokacin samarwa, ingancinsa zai shafi. Duk da haka, yawancin samfuran masu kyau suna da kyakkyawan fari.
(2) Inganci: Ingancin HPMC gabaɗaya yana da raga 80 da raga 100, kuma raga 120 ƙasa da haka. Yawancin HPMC da ake samarwa a Hebei raga 80 ne. Ingancin ingancin, gabaɗaya, mafi kyau.
(3) Watsa haske: saka hydroxypropyl methylcellulose (HPMC) a cikin ruwa don samar da colloid mai haske, sannan a duba watsa haske. Girman watsa haske, mafi kyau, yana nuna cewa akwai ƙarancin narkewa a cikinsa. . Fuskar masu amsawa a tsaye gabaɗaya tana da kyau, kuma na masu amsawa a kwance ya fi muni, amma ba yana nufin cewa ingancin masu amsawa a tsaye ya fi na masu amsawa a kwance kyau ba, kuma ingancin samfurin yana da alaƙa da dalilai da yawa. (4) Takamaiman nauyi: Girman nauyi na musamman, mafi nauyi mafi kyau. Takamaiman yana da girma, gabaɗaya saboda abun da ke cikin rukunin hydroxypropyl a cikinsa yana da yawa, kuma abun da ke cikin rukunin hydroxypropyl yana da yawa, riƙe ruwa ya fi kyau.
Menene babban aikin amfani da HPMC a cikin foda na putty, kuma shin hakan yana faruwa ne ta hanyar sinadarai?
A cikin foda na putty, HPMC tana taka rawa guda uku na kauri, riƙe ruwa da kuma ginawa.
Kauri: Ana iya ƙara kauri a cellulose don a dakatar da shi sannan a ci gaba da daidaita ruwan sama da ƙasa, sannan a hana yin kasa.
Rike ruwa: sa foda na putty ya bushe a hankali, kuma taimaka wa tokar calcium ta mayar da martani a ƙarƙashin aikin ruwa.
Ginawa: Cellulose yana da tasirin shafawa, wanda zai iya sa foda putty ya sami kyakkyawan tsari. HPMC ba ya shiga cikin duk wani halayen sinadarai, amma yana taka rawa kawai. Ƙara ruwa a cikin foda putty da sanya shi a bango amsawar sinadarai ce, saboda ana samar da sabbin abubuwa. Idan ka cire foda putty da ke kan bango daga bango, ka niƙa shi zuwa foda, ka sake amfani da shi, ba zai yi aiki ba saboda an samar da sabbin abubuwa (calcium carbonate).
Babban abubuwan da ke cikin foda na ash calcium sune: cakuda Ca(OH)2, CaO2 da ƙaramin adadin CaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O ash calcium a cikin ruwa da iska A ƙarƙashin aikin CO2, ana samar da calcium carbonate, yayin da HPMC ke riƙe ruwa kawai, yana taimakawa wajen inganta amsawar ash calcium, kuma baya shiga cikin kowane martani da kansa.
Alaƙar da ke tsakanin ɗanko da zafin jiki na HPMC, menene ya kamata a kula da shi a aikace?
Danko na HPMC yana da daidaiton da ya dace da zafin jiki, wato, danko yana ƙaruwa yayin da zafin jiki ke raguwa. Danko na samfurin da muke yawan magana a kai yana nufin sakamakon gwajin maganin ruwansa na kashi 2% a zafin digiri 20 na Celsius.
A aikace-aikace na zahiri, ya kamata a lura cewa a yankunan da ke da babban bambancin zafin jiki tsakanin lokacin rani da hunturu, ana ba da shawarar a yi amfani da ƙarancin ɗanko a lokacin hunturu, wanda ya fi dacewa da gini. In ba haka ba, idan zafin ya yi ƙasa, ɗanko na cellulose zai ƙaru, kuma jin hannun zai yi nauyi lokacin gogewa.
Matsakaicin danko: 75000-100000 galibi ana amfani da shi don putty
Dalili: Mai kyau riƙe ruwa
Babban danko: 150000-200000 ana amfani da shi ne musamman don rufin barbashi na polystyrene foda na roba da turmi mai rufin microbead mai haske.
Dalili: babban danko, turmi ba shi da sauƙin faɗuwa, yana raguwa, wanda ke inganta ginin.
Lokacin Saƙo: Mayu-18-2023