Njira ya HPMC

1, kodi kugwiritsa ntchito kofunikira kwa hydroxypropyl methl cellulose (hpmc)?

Yankho:HpmcZimagwiritsidwa ntchito kwambiri pakumanga, zokutira, matekenti, mateni, mankhwala, chakudya, maluwa, odzola, fodya komanso mafakitale ena. HPMC ikhoza kugawidwa mu: Gawo lomanga, kalasi ya chakudya ndi kalasi yazachipatala malinga ndi kugwiritsa ntchito. Pakadali pano malo opangira zomangamanga, pomanga, kuchuluka kwa ufa wa putty ndi waukulu kwambiri, pafupifupi 90% amagwiritsidwa ntchito popanga ufa, ena onse amagwiritsidwa ntchito matope a simenti ndi gulu.

2, hydroxypropyl methy cellose (hpmc) amagawidwa mitundu ingapo, kusiyana pakati pa kugwiritsa ntchito kwake?

Yankho: HPMC ikhoza kugawidwa kuti ikhale yosungunuka ndikuterera, zinthu zopumira, m'madzi ozizira amabalalika madzi, nthawi ino madzi alibe ufa wobayira m'madzi, palibe chisinthiko chenicheni. Pafupifupi mphindi ziwiri, mafayilo amadzimadzi pang'onopang'ono amawonjezeka, ndikupanga mafilimu owonekera. Mafuta osungunuka, m'madzi ozizira kumadzi, amatha kukhala m'madzi otentha, omwazika nthawi yambiri, mpaka kutentha pang'ono, kumawonekera pang'onopang'ono, mpaka mapangidwe a zithunzi owonekera. Mtundu wosungunuka umatha kugwiritsidwa ntchito mu ufa ndi matope, m'matambo okhala ndi maluwa, amatha kuwoneka ngati wowuma, sangathe kugwiritsidwa ntchito. Nthawi yomweyo kusungunula moto, ntchito ndi ochepa, otopa ndi ufa wa ufa ndi matongudwe amadzimadzi ndi makulidwe, zonse zitha kugwiritsidwa ntchito, kulibe kaboo.

3, hydroxypropyl methy cellulose (hpmc) njira zomwe zingakhalepo?

- Yankho: Njira yotentha yamadzi yowonongeka: chifukwa HPMC singasungunuke m'madzi otentha, mobwerezabwereza hpmc imatha kubadwa m'madzi otentha, kenako kusungunuka mwachangu pozizira, njira ziwiri zofotokozedwera motere:

1) Dzazani chidebe chokhala ndi madzi otentha kwambiri pamene mukusowa ndikuwotcha pafupifupi 70 ℃. Hydroxypropyl cellulose imawonjezedwa pang'onopang'ono kusuntha pang'onopang'ono, ndipo Hopmc amayandama pamadzi, kenako pang'onopang'ono amapanga malo otsekemera, omwe amakhazikika pansi pa kusungunuka.

2) Onjezani 1/3 kapena 2/3 mwa madzi ofunikira mu cholowa ndikutenthetsa 70 ℃. BUPERGORG HPMC malinga ndi njira 1) kukonzekera madzi otentha; Kenako onjezani madzi ozizira otsalawo kumadzi otentha ndikuzizira kusakaniza pambuyo poyambitsa.

Njira yosakanikirana: HPMC ufa ndi kuchuluka kwa zinthu zina zakuthupi, osakanikirana kwathunthu ndi blender, ndiye kuti kuwonjezera madzi kusungunula, ndipo sikuti mbglomerate, chifukwa ngodya yaying'ono ya HPMC yokha, madzi nthawi yomweyo imasungunuka. - Phutu lapamwamba ndi opanga matope amagwiritsa ntchito njirayi. [Hydroxypropyl methy cellulose (hpmc) omwe amagwiritsidwa ntchito ngati othandizira ochulukirapo ndi madzi osungira madzi mu matope a ufa.

4, momwe mungadziwire mtundu wa hydroxypropyl methy cellose (HPMC) yosavuta komanso yokhazikika?

Yankho: Komabe, zinthu zabwino zambiri zimakhala ndi kuyera kwabwino. . . Mphamvu ya riyakitala imakhala yabwino kwambiri, ndipo yopingasa imayipirika, koma sizitanthauza kuti mtundu wa zozungulira umakhala bwino kuposa uja wopingasa. Pali zinthu zambiri zofunika kudziwa mtundu wa malonda. (4) Kufananira: Kukulirakulira, zolemera zabwino. Kuposa zazikulu, chifukwa mkati mwa hydroxyl promyl promyl nthawi zambiri pamakhala zigawo za Prodill Extyl ndizokwera, kuteteza madzi kuti afune bwino.

5, hydroxypropyl methl cellulose (HPMC) ikuyenera?

- Yankho: Khalani otopa ndi ufa wa mwana nthawi zambiri kawirikawiri 100,000, kutalika kwina kwa matope, ndikufuna kugwiritsa ntchito zikwi 150 kugwiritsidwa ntchito. Kuphatikiza apo, HPMC ndiye gawo lofunikira kwambiri la kusungidwa kwamadzi, kenako ndikukula. Mu ufa wa putty, bola ngati kusungidwa kwamadzi ndikwabwino, mawonekedwe otsika (7-8,000) 100,000, mawisa osungira madzi osasungidwa siambiri.

6, Hydroxypropyl Methyl cellulose (hpmc) Kodi ndi zisonyezo zazikulu zaukadaulo? .

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.

7, hydroxypropyl methl cellulose (hpmc) Kodi zida zazikuluzikulu ndi ziti?

Yankho: Hydroxypropyl methl cellulose (HPMC) ikuluikulu yazipatso: Chlorometane, ma proplet alkali, ma pick, isoepyl mowa.

8, HPMC pakugwiritsa ntchito ufa wa putty, udindo waukulu, kaya ndi chemistry?

Yankho: hpmc mu ufa, kukula, madzi ndi kumanga kwa maudindo atatu. Kukula: Cellulose ikhoza kukhazikika pakuyimitsidwa, kotero kuti yankho limakhala yunifolomu komanso pansi udindo wotsutsa. Kusungidwa kwamadzi: Pangani utoto ufa wowuma pang'onopang'ono, ogwiritsa ntchito imvi ya Exilary Imvi pazinthu zomwe zimachitika. Ntchito Yomanga: Mafuta a cellulose, amatha kupanga ufa wanu ali ndi ntchito yabwino. HPMC sitenga nawo mbali pamavuto aliwonse, koma imangochita zinthu zothandiza. Putty ufa ndi madzi, pakhoma, ndikumatukula mankhwala, chifukwa cha mibadwo ya zinthu zatsopano, pansi, osati yabwino, chifukwa yapanga chinthu chatsopano (calcium carbonate). Chipangidwe chachikulu cha imvi ndi chosakanikirana cha ca (o) 2, cao ndi mphaka kakang'ono, h2o = Caco3 ↓ 10. Madzi ndi mpweya pansi pa zochita za Co2, carcium carbonate, ndi rpmc madzi okha, amathandizira calcium bwino, zomwe sizimachita nawo chilichonse.

9.HPM

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.

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- Yankho: Kutentha kwa gelHpmcikukhudzana ndi methoxyl, m'munsi methoxyl zomwe zili ↓, kutentha kwambiri kwa gel.

11, putty ufa ufa ndi hpmc palibe ubale?

Yankho: Mafuta a putty drow ufa wapamwamba kwambiri komanso mtundu wa calcium uli ndi ubale waukulu kwambiri, 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 pang'ono ndi hpmc, ndiye kuti madzi osungira a HPMC ndi osawasaka, adzayambitsa ufa.

12, Hydroxypropyl nothl cellulose madzi ozizira amasungunuka ndikusungunuka kotentha?

- 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.

13, Hydroxypropyl methy cellulose (HPMC) kununkhiza ndi momwe ziliri?

- Yankho: hpmc yopangidwa ndi njira yosungunulira imapangidwa ndi isoenene ndipo isopropyl mowa. Ngati kusamba sikwabwino kwambiri, padzakhala kukoma kotsalira.

14, kugwiritsa ntchito mosiyana, momwe mungasankhire ma hydroxypropyl methl cellose (hpmc)?

- Yankho: Khalani otopa ndi kugwiritsa ntchito ufa wa ufa: Kufunikira ndi kotsika, ma visn 100,000, chabwino, ndikofunikira kuteteza madzi kuti aziyandikira. Ntchito ya matope: Zofunikira kwambiri, zofuna za ma vincy zimachitika, 150 zikwi kukhala zabwinoko. Pulogalamu Yogwiritsira Ntchito: Kufunika kwa zinthu zomwe zimapangapo pompopompo, mafayilo apamwamba.

15.Kodi Alias ​​wa hydroxypypyl ndi chiyani methyl cellulose?

- Yankho: Hydroxypypyl Methyl cellose, yolembedwa ngati HPMC kapena Mhpc, kapena Hydroxypropyl Celyolose; Cellulose hydroxypropyl methy ether; HyPromellose, cellulose, hydroxypropyl methy cellulose ether ether.

16.Hpprc pogwiritsa ntchito ufa wa putty, putty ufa chifukwa chiyani?

Yankho: hpmc mu ufa, 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.

17. 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 ya hydroxypypyl methyl cellulose, imatsukidwa ndi thonje pambuyo pa mankhwala a alkali, omwe ali ndi ma protherthet 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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18. Kodi tiyenera kuganizira chiyani pakugwiritsa ntchito ubale pakati pa ma viscty ndi kutentha kwa HPMC?

Yankho: Makutu aHpmcndilofanana ndi kutentha, ndiye kuti, mafayilo amawonjezeka ndi kuchepa 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 amagwiritsidwa ntchito kwambiri.

Chifukwa: Kusunga kwamadzi.

Maonekedwe apamwamba: 150000-200000 amagwiritsidwa ntchito makamaka polystyrene tinthu cartitution matope a mphira ndi mikanda yokhazikika matope.

Chifukwa: Maonekedwe apamwamba, matope siophweka kusiya, kutaya, kukonza zomanga.

Koma nthawi zambiri, mafakisoniwo, mafayilo abwinowa, owuma matope, amaganizira za mtengo, gwiritsani ntchito ma vistulose cellulose (20000-0000) kuti muchepetse kuchuluka kwake (200-40000) kuti muchepetse kuchuluka kwake. zowonjezera.