Hydroxypyl methl cellulose (HPMC) ya skim chovala?
- Yankho: Cim Cim ndi yok nthawi zambiri. Kuphatikiza apo, HPMC ndiye gawo lofunikira kwambiri la kusungidwa kwamadzi, kenako ndikukula. Pangani malaya a skim, bola ngati kusungidwa kwamadzi ndikwabwino, mafayilo ali otsika (7-80000), kusinthika kwa ma viruyo ndikwabwino, pomwe ma viruyo ali oposa 100 Zikwi, mawisa osungidwa pamadzi osasunga sichochuluka.
Kodi ndi zizindikiro ziti zaukadaulo wa hydroxypropyl methy cellose (hpmc)?
Yankho: Hydroxypropyl ndi mafakisoni, ogwiritsa ntchito ambiri amasamala za zizindikiro ziwiri izi. Ma hydroxypropyl omwe ali pamwamba, kusungidwa kwamadzi nthawi zambiri kumakhala bwino. Mafayilo, kusungidwa kwamadzi, wachibale (koma osati mtheradi) alinso bwino, komanso matope, matope a simenti ndibwino kugwiritsa ntchito ena.
Hydroxypropyl methl cellulose (hpmc) Kodi zida zazikuluzikulu ndi ziti?
Yankho: Hydroxypropyl methl cellulose (HPMC) ikuluikulu yazipatso: Chlorometane, ma proplet alkali, ma pick, isoepyl mowa.
HPMC pa Cim Vat mu pulogalamuyi, kaya ndi mankhwala?
Yankho: HPMC pa Cim Chut, Kukula, madzi ndi kumanga kwa maudindo atatu. Kukula: Cellulose ikhoza kukhazikika pakuyimitsidwa, kotero kuti yankho limakhala yunifolomu komanso pansi udindo wotsutsa. Kusungidwa kwamadzi: Pangani chovala chowuma pang'onopang'ono, ogwiritsa ntchito imvi ya Exilary Imvi pazinthu zomwe zimachitika. Ntchito Yomanga: Mafuta a cellulose, amatha kupanga chovala chokongola chimakhala ndi ntchito yabwino. HPMC sitenga nawo mbali pamavuto aliwonse, koma imangochita zinthu zothandiza. Skim malaya ndi madzi, pakhoma, ndikumatukula mankhwala, chifukwa cha m'badwo wa zinthu zatsopano, pansi pa chovala cha skim pansi kuchokera kukhoma, pansi kukhala ufa, osati wabwino, chifukwa wapanga chinthu chatsopano (calcium carbonate). Zigawo zazikuluzikulu za calcium ufa ndi: CA (o) 2, cao ndi chocheperako, o) 2 Ndipo mpweya pansi pa katswiri wa CO2, mapangidwe a calcium carbonate, ndi hpmc okha madzi, othandiza imvi, omwe sanachite nawo chilichonse.
HPMC siinal cellulose ether, ndiye kuti siiyoni ndi chiyani?
Yankho: Nthawi zambiri, osakhala a ion ndi zinthu zomwe sizimayenda m'madzi. Ionanir ndikusiyanitsa ma electrolyte ndi ma nguluwedwe osungunuka mwaulere, monga madzi kapena mowa. Mwachitsanzo, mchere womwe timadya tsiku lililonse - sodium chloride (nacl) umasungunuka m'madzi ndi ionizes kuti atulutse ma inium oyenda (Na +) ndi ma ayori abwino. Ndiye kuti, HPMC m'madzi siyikusungunuka mu ma ionr, koma ilipo ngati mamolekyulu.
Kodi kutentha kwa ma hydroxypropyl nothl cellulose yokhudzana ndi chiyani?
Yankho: Kutentha kwa gel kuli kokhudzana ndi methoxyl. Kutsika kwa methoxyl ndi, kutentha kwa gel kuli.
Skim Coat ufa ndi hpmc palibe chibwenzi?
Yankho: Skim Coat dontho ufa wapamwamba ali pachibwenzi chachikulu, ndipo HPMC ilibe ubale waukulu kwambiri. Katswiri wa calcium yotsika ya imvi ndi gawo losayenera la CAO ndi CA (o) 2 mu imvi ya imvi idzayambitsa ufa. Ngati pali ubale ndi hpmc, ndiye kuti madzi osauka a HPMC adzayambitsanso ufa.
Kodi pali kusiyana kotani pakati pa madzi ozizira osungunuka ndi kutentha kwa hydroxypyl methl cellulose popanga?
- Yankho: Mtundu wa HPMC yozizira kwambiri pambuyo pa chithandizo cha Glymoxal pamtunda, kuyika m'madzi ozizira msanga, koma osasungunuka, kusinthidwa, kusungunuka. Mtundu wa thermosololuuble sunakhalepo wothandizidwa ndi Glyloxal. Kuchuluka kwa glyloxal ndi kwakukulu, kubalaku kumakhala kofulumira, koma mamasukidwe amasachedwa, kuchuluka kwake ndikochepa, m'malo mwake.
Ndi chiyani cha hydroxypropyl methy cellose (hpmc) yomwe imanunkhiza?
- Yankho: hpmc yopangidwa ndi njira yosungunulira imapangidwa ndi isoenene ndipo isopropyl mowa. Ngati kusamba sikwabwino kwambiri, padzakhala kukoma kotsalira.
Kugwiritsa Ntchito Mosiyana, Momwe Mungasankhire Hydroxpyl Methyl celyilose (HPMC)?
- Yankho: Khalani otopa ndi kugwiritsa ntchito ufa wa ufa: Kufunikira ndi kotsika, ma viscedn 100000, chabwino, ndikofunikira kuteteza madzi kuti aziyandikira. Ntchito ya matope: Zofunikira kwambiri, zofuna za ma vincy zimachitika, 150000 kukhala bwino. Pulogalamu Yogwiritsira Ntchito: Kufunika kwa zinthu zomwe zimapangapo pompopompo, mafayilo apamwamba.
Kodi dzina lina la hydroxypropyl methl cellulose?
- Yankho: Hydroxypypyll Methylcellulose, adafupikitsidwa ngati HPMC kapena Mhpc, kapena Hydroxypropyl Celyolose; Cellulose hydroxypropyl methy ether; HyPromellose, cellulose, hydroxypropyl methy cellulose ether ether.
Hpmc pakugwiritsa ntchito skim chovala, ndi chifukwa chotani choluka?
Yankho: HPMC pa Cim Chut, Kukula, madzi ndi kumanga kwa maudindo atatu. Osachita nawo chilichonse. Zomwe zimayambitsa bubble: 1, madzi ochulukirapo. 2, pansi siuma, pamwamba pa osanjikiza, komanso osavuta kufinya.
Khoma lamkati ndi kunja skim cluat formula?
- Yankho: Tsika loti Skim Coat: Calcium 800kg ims calcium 150kg (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether (ether ether)
Khoma lakunja la Cim Coat: simenti 350kg calcium 500kg Quartz mchenga 150kg cyul ufa wa 3kg
Kodi pali kusiyana kotani pakati pa HPMC ndi MC?
- Yankho: MC ndi methyl cellulose, yomwe imapangidwa ndi cellulose kudzera mu methane chloride ngati thonje woyengeka ndi alkali. Nthawi zambiri, kuchuluka kwa kuloweza ndi 1.6 ~ 2.0, ndipo solubility kumasiyana ndi kuchuluka kwa mpweya. Ndi a noenic celluse ether.
. Nthawi zambiri kwezani kuchuluka kwakukulu, zabwino zochepa, mawonekedwe a mafayilo, osunga madzi ali okwera. Mwa iwo, kuchuluka kwa owonjezera omwe ali ndi zowonjezera kwambiri pa kusungidwa kwamadzi, ndipo mawonekedwewo siwofanana ndi kusungidwa kwamadzi. Chiwerengero chophweka chimatengera digiri yosinthira komanso kukongola kwa tinthu tambiri. Pakuposa cellulose yokwanira pamodzi, methyl cellulose ndi hydroxypropyl celyl cellulose madzi osunga madzi ndi okwera.
(2) Methyl cellulose imasungunuka m'madzi ozizira, omwe ndi ovuta kusungunuka m'madzi otentha. Njira yake yothetsera matenda imakhala yokhazikika mkati mwa pH = 3 ~ 12. Imakhala ndi kulumikizana kokhazikika ndi wowuma, chingamu chingamu ndi ambiri okonda mafuta. Miyala imachitika pomwe kutentha kumafika kutentha kwa kutentha.
(3) Kusintha kwa kutentha kumakhudzanso kuchuluka kwa madzi a methyl cellulose. Nthawi zambiri, kutentha kwambiri, kumadzaza madzi. Ngati kutentha kwa matope kupitirira 40 ℃, kusungitsa kwamadzi kwa methyl cellulose kudzakhala koopsa kwambiri, komwe kumakhudza kwambiri zogwirizana ndi matope.
. "Zomatira" apa zimangotanthauza adheion omwe akukhudzidwa ndi wogwira ntchito pakati pa chida ndi khomalo, ndikusakaniza matope. Kutsatira ndi kwakukulu, kukana kwa matope ndi kwakukulu, mphamvu zofunidwa ndi ogwira ntchito pakugwiritsa ntchito nthawi zambiri zimagwiritsidwanso ntchito ndizokulirapo, ndipo zomanga za matope ndizosauka. Mu cellulose ether, zomatira za methyl cellulose ili pamlingo woyenera.
HPMC hydroxpyl methy cellulose, imatsukidwa ndi thonje pambuyo pa mankhwala a alkali, omwe ali ndi ma prothet oxide ndi chloromethane ngati mankhwala osakanikirana osakanikirana. Mulingo wazolowa m'malo mwake 1.2 ~ 2.0. Zinthu zake zimasiyana ndi kuchuluka kwa methoxy ndi hydroxypropyl.
(1) hydroxypypyl methyl cellulose imasungunuka mosavuta m'madzi ozizira, omwe ndi ovuta kusungunuka m'madzi otentha. Komabe, kutentha kwake kwa madzi otentha kumadzi otentha kumakhala apamwamba kuposa a methyl cellulose. Kusungunuka kwa methyl cellulose m'madzi ozizira kunasinthanso kwambiri.
. Kutentha kumakhudzanso mamasukidwe. Makulidwe amachepa ngati kutentha kumawonjezeka. Koma ma viston ake kutentha kwambiri kumakhala kotsika kuposa kwa methyl cellulose. Njira yothetsera vutoli ndi yokhazikika ikasungidwa kutentha.
. Diatric soda ndi laimu yamadzi imakhala ndi mphamvu pazinthu zake, koma alkali amatha kusamalira kuchuluka kwake ndikusintha mamasukidwe. Hydroxypropyl mealose cellulose ndi khola kwa mchere wambiri, koma pamene kuchuluka kwa mchere ndi yayitali, mamasukidwe a hydroxypropyl cellouse yankho.
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. Monga mowa wa mulyvinyl, madzi owoneka bwino, guluu wambiri ndi zina zotero.
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Kodi tiyenera kuganizira chiyani pakugwiritsa ntchito ubale pakati pa ma viscty ndi kutentha kwa HPMC?
Yankho: Makulidwe a HPMC ndi yofanana ndi kutentha, ndiye kuti, mafayilo amawonjezeka ndi kutsika kwa kutentha. Tikamalankhula za mafayilo a chinthu, tikunena za mafayilo a 2% ya malonda m'matumbo 20 Celsius Celsius.
Pogwiritsa ntchito, madera omwe ali ndi kutentha kwa kutentha pakati pa chilimwe pakati pa chilimwe, tiyenera kudziwa kuti tikuyenera kugwiritsa ntchito mafayilo otsika nthawi yozizira, yomwe imayenera kwambiri kumanga. Kupanda kutero, kutentha kumakhala kotsika, mamasukidwe a cellulose adzakula, ndipo pokalipira, kumverera kudzakhala kolemetsa.
Mafayilo apakatikati: 75000-100000 makamaka amagwiritsidwa ntchito
Chifukwa: Kusunga kwamadzi
Maonekedwe apamwamba: hpmc 150000000 amagwiritsidwa ntchito makamaka polystyrene tinthu osautsa matope ndi mikanda yokhazikika matope.
Chifukwa: Maonekedwe apamwamba, matope siophweka kusiya, kutaya, kukonza zomanga.
Koma nthawi zambiri, ma viruswo, mafayilo abwinowo, owuma kwambiri owuma, gwiritsani ntchito mtengo wake kuchuluka kwa zowonjezera.
Post Nthawi: Jan-10-2022