1. Sunan samfurin:
01. Sunan sinadarai: hydroxypropyl methylcellulose
02. Cikakken suna a Turanci: Hydroxypropyl Methyl Cellulose
03. Takaitaccen Turanci: HPMC
2. Halayen jiki da na sinadarai:
01. Bayyanar: foda fari ko fari.
02. Girman barbashi; ƙimar wucewar raga 100 ya fi kashi 98.5%; ƙimar wucewar raga 80 ya fi kashi 100%.
03. Zafin carbonization: 280~300℃
04. Yawan da aka bayyana: 0.25~0.70/cm3 (yawanci kusan 0.5g/cm3), takamaiman nauyi 1.26-1.31.
05. Zafin canza launi: 190~200℃
06. Tashin hankali a saman: 2% na ruwan da ke cikinsa shine 42~56dyn/cm.
07. Yana narkewa a cikin ruwa da wasu sinadarai masu narkewa, kamar ethanol/ruwa, propanol/ruwa, trichloroethane, da sauransu a cikin gwargwado mai dacewa.
Maganin ruwa suna aiki a saman. Babban bayyananne, aiki mai kyau, zafin gel na samfuran tare da takamaiman bayanai daban-daban
Bambancin, narkewar yana canzawa tare da danko, ƙarancin danko, mafi girman narkewar, aikin takamaiman bayanai daban-daban na hydroxypropyl methylcellulose (HPMC) yana da wasu bambance-bambance, rushewar hydroxypropyl methylcellulose (HPMC) a cikin ruwa ba ya shafar tasirin ƙimar PH.
08. Da raguwar sinadarin methoxyl, ruwan gel yana ƙaruwa, narkewar ruwa yana raguwa, kuma aikin saman hydroxypropyl methylcellulose (HPMC) ma yana raguwa.
09. Hydroxypropyl methylcellulose (HPMC) kuma yana da ikon yin kauri, juriya ga gishiri, ƙarancin foda na toka, kwanciyar hankali na PH, riƙe ruwa, kwanciyar hankali na girma, kyakkyawan siffa ta samar da fim, da kuma nau'ikan juriyar enzyme, halaye na warwatse kamar jima'i da mannewa.
Siffofi uku, hydroxypropyl methylcellulose (HPMC):
Samfurin ya haɗu da halaye na zahiri da na sinadarai da yawa don zama samfuri na musamman tare da amfani da yawa, kuma halaye daban-daban sune kamar haka:
(1) Rike ruwa: Yana iya riƙe ruwa a saman da ke da ramuka kamar allon siminti da tubali.
(2) Tsarin fim: Yana iya samar da fim mai haske, mai tauri da taushi tare da kyakkyawan juriya ga mai.
(3) Narkewar sinadarai ta halitta: Samfurin yana narkewa a cikin wasu sinadarai masu narkewa ta halitta, kamar ethanol/ruwa, propanol/ruwa, dichloroethane, da kuma tsarin sinadaran da suka kunshi sinadarai guda biyu na halitta.
(4) Gelating na thermal: Idan aka dumama ruwan maganin samfurin, zai samar da gel, kuma gel ɗin da aka samar zai sake zama mafita bayan sanyaya.
(5) Ayyukan saman: Samar da aikin saman a cikin maganin don cimma buƙatar emulsification da kariya daga colloid, da kuma daidaita yanayin aiki.
(6) Dakatarwa: Yana iya hana ruwan sama na ƙwayoyin halitta masu tauri, don haka yana hana samuwar laka.
(7) Colloid mai kariya: yana iya hana digo da barbashi haɗuwa ko haɗuwa.
(8) Mannewa: Ana amfani da shi azaman manne ga launuka, kayayyakin taba, da kayayyakin takarda, yana da kyakkyawan aiki.
(9) Narkewar ruwa: Ana iya narkar da samfurin a cikin ruwa a adadi daban-daban, kuma mafi girman yawansa yana iyakance ne kawai ta hanyar danko.
(10) Rashin ƙarfin ionic: Samfurin wani sinadari ne na cellulose wanda ba ionic ba, wanda baya haɗuwa da gishirin ƙarfe ko wasu ions don samar da ruwan da ba ya narkewa.
(11) Daidaiton tushen acid: ya dace da amfani a cikin kewayon PH3.0-11.0.
(12) Ba su da ɗanɗano kuma ba su da ƙamshi, metabolism ba ya shafar su; ana amfani da su azaman ƙarin abinci da magunguna, ba za a haɗa su cikin abinci ba kuma ba za su samar da adadin kuzari ba.
4. Hanyar narkewar Hydroxypropyl methylcellulose (HPMC):
Idan aka ƙara kayayyakin hydroxypropyl methylcellulose (HPMC) kai tsaye a cikin ruwa, za su taru sannan su narke, amma wannan narkewar yana da jinkiri kuma yana da wahala. Akwai hanyoyi guda uku da aka ba da shawarar narkewa a ƙasa, kuma masu amfani za su iya zaɓar hanyar da ta fi dacewa bisa ga amfaninsu:
1. Hanyar Ruwan Zafi: Tunda hydroxypropyl methylcellulose (HPMC) baya narkewa a cikin ruwan zafi, matakin farko na hydroxypropyl methylcellulose (HPMC) za a iya warwatsa shi daidai a cikin ruwan zafi, sannan idan aka sanyaya shi, an bayyana hanyar A ta yau da kullun kamar haka:
1). A zuba ruwan zafi da ake buƙata a cikin akwati sannan a dumama shi zuwa kimanin digiri 70 na Celsius. A hankali a zuba hydroxypropyl methylcellulose (HPMC) a hankali a hankali, hydroxypropyl methylcellulose (HPMC) zai fara shawagi a saman ruwan, sannan a hankali a hankali ya samar da slurry, ya sanyaya slurry ɗin a lokacin da ake juyawa.
2). A zafafa 1/3 ko 2/3 (adadin da ake buƙata) na ruwa a cikin akwati sannan a dumama shi zuwa 70°C. Bisa ga hanyar 1), a watsa hydroxypropyl methylcellulose (HPMC) don shirya ruwan zafi. Sannan a ƙara sauran ruwan sanyi ko ruwan ƙanƙara a cikin akwati, sannan a ƙara ruwan zafi na hydroxypropyl methylcellulose (HPMC) da aka ambata a sama a cikin ruwan sanyi, sannan a juya, sannan a sanyaya cakuda.
3). Sai a zuba 1/3 ko 2/3 na adadin ruwan da ake buƙata a cikin akwati sannan a dumama shi zuwa 70°C. Bisa ga hanyar 1), a watsa hydroxypropyl methylcellulose (HPMC) don shirya ruwan zafi; Sai a ƙara sauran ruwan sanyi ko kankara a cikin ruwan zafi sannan a sanyaya hadin bayan an juya shi.
2. Hanyar haɗa foda: ƙwayoyin foda na hydroxypropyl methylcellulose (HPMC) da adadin sauran sinadaran foda daidai ko mafi girma ana warwatsa su gaba ɗaya ta hanyar haɗa busasshiyar cakuda, sannan a narkar da su cikin ruwa, sannan a narkar da hydroxypropyl methylcellulose Tushe cellulose (HPMC) ba tare da haɗa su ba. 3. Hanyar jika sinadarai na Organic solvent: a warwatsa ko a jika hydroxypropyl methylcellulose (HPMC) kafin a narkar da su tare da sinadarai na Organic kamar ethanol, ethylene glycol ko mai, sannan a narkar da su a cikin ruwa. A wannan lokacin, ana iya narkar da hydroxypropyl methylcellulose (HPMC) cikin sauƙi.
5. Babban amfani da hydroxypropyl methylcellulose (HPMC):
Ana iya amfani da Hydroxypropyl methylcellulose (HPMC) a matsayin mai kauri, mai wargazawa, mai fitar da sinadarai masu guba da kuma mai samar da fim. Ana iya amfani da kayayyakinsa na masana'antu a cikin sinadarai na yau da kullun, kayan lantarki, resins na roba, gini da kuma shafa su.
1. Tsarin polymerization na dakatarwa:
A cikin samar da resin roba kamar polyvinyl chloride (PVC), polyvinylidene chloride da sauran copolymers, ana amfani da polymerization na dakatarwa kuma yana da mahimmanci don daidaita dakatarwar monomers na hydrophobic a cikin ruwa. A matsayin polymer mai narkewa cikin ruwa, samfuran hydroxypropyl methylcellulose (HPMC) suna da kyakkyawan aikin saman kuma suna aiki azaman wakili mai kariya daga colloidal, wanda zai iya hana tarin ƙwayoyin polymer yadda ya kamata. Bugu da ƙari, kodayake hydroxypropylmethylcellulose (HPMC) polymer ne mai narkewa cikin ruwa, yana kuma narkewa kaɗan a cikin monomers na hydrophobic kuma yana ƙara porosity na monomers wanda aka samar da ƙwayoyin polymer, don haka yana iya samar da polymers tare da kyakkyawan ikon cire monomers da suka rage da haɓaka sha na plasticizers.
2. A cikin ƙirƙirar kayan gini, ana iya amfani da hydroxypropyl methylcellulose (HPMC) don:
1) Manne da kuma abin rufe fuska don tef ɗin manne da aka yi da gypsum;
2). Haɗa tubalan da aka yi da siminti, tayal da tushe;
3) Stucco mai tushen plasterboard;
4). Filastar gini da aka yi da siminti;
5). A cikin dabarar fenti da cire fenti.
Lokacin Saƙo: Mayu-24-2023