Hydroxypropyl methyl cellulose HPMC yafi yana da danko guda uku, HPMC-100000, HPMC-150000, da HPMC-200000 danko. Gabaɗaya magana, hydroxypropyl methyl cellulose tare da danko na 100,000 ana amfani da su sosai wajen samar da foda na ciki da na waje na bango. Cellulose yana da danko na 200,000 kuma ana amfani dashi a cikin kayan gini kamar busassun turmi, laka mai sauƙi na dutse, laka diatom, da murfin bango. Samfurin yana da tasiri mai kyau na riƙewar ruwa, sakamako mai kyau na kauri, ingantaccen inganci da farashi mai ma'ana.
Hydroxypropyl methylcellulose HPMC ana amfani dashi sosai a cikin masana'antar kayan gini. Ana iya amfani da adadi mai yawa na cellulose azaman retarder, wakili mai riƙe ruwa, mai kauri da ɗaure. Cellulose ether taka muhimmiyar rawa a cikin talakawa bushe-mix turmi, high-inganci waje bango rufi turmi, kai matakin turmi, bushe foda plaster m, yumbu tile bonding bushe foda turmi, high-yi gini putty, crack-resistant ciki da kuma na waje bangon bango, da dai sauransu, turmi mai gauraya busasshen ruwa, gypsum plaster, scraping whitening wakili, bakin ciki-Layer gidajen abinci da sauran kayan. Suna da tasiri mai mahimmanci akan riƙewar ruwa, buƙatun ruwa, sauti, jinkirtawa da kuma aiki na tsarin stucco. Ethers cellulose da aka fi amfani da su a cikin filin gini sun haɗa da HEC, HPMC, CMC, PAC, MHEC, da dai sauransu.
Nonionic ruwa-soluble cellulose ethers ne da amfani gina jiki additives saboda dauri kaddarorin, watsawa kwanciyar hankali, da kuma ruwa iya rike. Ana amfani da HPMC, MC ko EHEC a yawancin ginin siminti ko gypsum, irin su turmi na masonry, turmi ciminti, murfin siminti, gypsum, cakuda siminti da emulsion putty, da sauransu, wanda zai iya haɓaka watsawar siminti ko yashi kuma yana haɓaka sosai. adhesion , wanda yake da mahimmanci ga plaster, tile ciment da putty. Don siminti, HEC ba kawai mai ɗaukar nauyi ba ne, amma har ma wakili mai riƙe da ruwa. HEHPC kuma yana da wannan dalili. Ana amfani da ethers na cellulose sau da yawa a hade tare da gluconates a cikin turmi azaman ƙari mai mahimmanci na retarder. MC ko HEC da CMC galibi ana amfani da su azaman tsayayyen ɓangaren fuskar bangon waya. Matsakaici ko high danko ethers cellulose yawanci amfani da fuskar bangon waya adhesives da gini kayan.
Hydroxypropyl methylcellulose HPMC samfurin ya haɗu da yawa na jiki da sinadarai Properties ya zama na musamman samfurin tare da mahara amfani. Kaddarorin daban-daban sune kamar haka:
(1) Riƙewar ruwa: Yana iya riƙe damshi a saman fage kamar allunan simintin bango da bulo.
(2) Kayayyakin yin fim: Zai iya samar da fim mai haske, mai tauri, mai laushi tare da kyakkyawan juriya mai.
(3) Narkewar kwayoyin halitta: Wannan samfurin yana narkewa a cikin wasu kaushi na halitta, irin su ethanol/ruwa, propanol/water, dichloroethane da tsarin kaushi wanda ya hada da kaushi na kwayoyin halitta guda biyu daidai gwargwado.
(4) Thermal Gelation: Lokacin da maganin ruwa na wannan samfurin ya yi zafi, yana samar da gel kuma ya zama bayani bayan sanyaya.
(5) Ayyukan saman: Samar da aikin saman a cikin mafita don cimma kyakkyawan emulsification na colloidal da kariya, da kuma daidaitawar lokaci.
(6) Wakilin dakatarwa: Hydroxypropyl methylcellulose na iya hana tsayayyen barbashi daga daidaitawa, ta haka ya hana samuwar hazo.
(7) Colloid mai karewa: Yana iya hana ɗigon ruwa da barbashi daga haɗawa ko murƙushewa.
(8) Adhesion: Ana amfani dashi azaman mai ɗaure don pigments, samfuran taba, da samfuran takarda, yana da kyawawan ayyuka.
(9) Solubility na ruwa: Ana iya narkar da wannan samfurin a cikin ruwa a cikin ma'auni daban-daban, kuma iyakar ƙaddamarwarsa yana iyakance ne kawai ta danko.
(10) Inertness Nonionic: Wannan samfurin nonionic cellulose ether ne kuma baya haɗawa da gishirin ƙarfe ko wasu ions don samar da hazo maras narkewa.
(11) Amintaccen tushen acid: dace don amfani a cikin kewayon pH na 3.0-11.0.
(12) Rashin ɗanɗano da wari, wanda ba ya shafar metabolism; Ana amfani da su azaman ƙari a cikin abinci da magani, ba a daidaita su a cikin abinci kuma ba sa samar da adadin kuzari.
Saboda haka, hydroxypropyl methylcellulose HPMC ya mamaye wani muhimmin matsayi a cikin masana'antar gine-gine, kuma za a yi amfani da koren cellulose a cikin masana'antar gine-gine. Babban inganci, farashin fifiko da mafi kyawun sabis shine abin da masana'antun mu na cellulose da latex foda ke bi koyaushe. Ranar gaba tana manne da falsafar kasuwanci na "tsira ta inganci, haɓaka ta hanyar kimiyya da fasaha, kasuwa ta suna, da inganci ta hanyar gudanarwa". Our hydroxypropyl methylcellulose, redispersible latex foda, da hydroxyethyl cellulose samar da high quality-kayayyakin to more abokan ciniki.
Lokacin aikawa: Fabrairu-02-2024