1. Kodi hydroxypropyl methylcellulose (HPMC) amagwiritsidwa ntchito bwanji?
Yankho: HPMC chimagwiritsidwa ntchito zomangamanga, zokutira, utomoni kupanga, zoumba, mankhwala, chakudya, nsalu, ulimi, zodzoladzola, fodya ndi mafakitale ena. HPMC akhoza kugawidwa mu kalasi yomanga, kalasi chakudya ndi kalasi mankhwala malinga ndi cholinga. Pakali pano, zinthu zambiri zapakhomo ndizomangamanga. Pomanga kalasi, ufa wa putty umagwiritsidwa ntchito mochuluka, pafupifupi 90% umagwiritsidwa ntchito ngati putty ufa, ndipo enawo amagwiritsidwa ntchito ngati matope a simenti ndi guluu.
2. Pali mitundu ingapo ya hydroxypropyl methylcellulose (HPMC), ndipo pali kusiyana kotani pakugwiritsa ntchito kwawo?
Yankho: HPMC akhoza kugawidwa mu mtundu nthawi yomweyo ndi otentha-kusungunuka mtundu. Instant mtundu mankhwala kumwazikana mwamsanga m'madzi ozizira ndi kutha m'madzi. Panthawi imeneyi, madzi alibe mamasukidwe akayendedwe chifukwa HPMC okha omwazika m'madzi popanda kuvunda kwenikweni. Pafupifupi mphindi 2, kukhuthala kwamadzimadzi kumawonjezeka pang'onopang'ono, ndikupanga mawonekedwe a viscous colloid. Zogulitsa zotentha zotentha, zikakumana ndi madzi ozizira, zimatha kumwazikana m'madzi otentha ndikuzimiririka m'madzi otentha. Kutentha kumatsika mpaka kutentha kwina (zogulitsa za kampani yathu ndi madigiri 65 Celsius), kukhuthala kumawonekera pang'onopang'ono mpaka kumapanga mawonekedwe a viscous colloid. Mtundu wosungunuka wotentha ukhoza kugwiritsidwa ntchito mu putty ufa ndi matope. Mu guluu wamadzimadzi ndi utoto, padzakhala zochitika zamagulu ndipo sizingagwiritsidwe ntchito. Mtundu wapomwepo uli ndi mapulogalamu ambiri. Itha kugwiritsidwa ntchito mu putty ufa ndi matope, komanso guluu wamadzimadzi ndi utoto, popanda zotsutsana.
3. Kodi njira zosungunulira za hydroxypropyl methylcellulose (HPMC) ndi ziti?
Yankho: Njira yosungunula madzi otentha: Popeza HPMC sisungunuka m'madzi otentha, HPMC imatha kumwazikana m'madzi otentha pagawo loyambirira, kenako ndikusungunuka mwachangu ikazizira. Njira ziwiri zodziwika bwino zimafotokozedwa motere:
1) Ikani madzi otentha ofunikira mumtsuko ndikutenthetsa pafupifupi 70 ° C. Hydroxypropyl methylcellulose inawonjezeredwa pang'onopang'ono ndikugwedeza pang'onopang'ono, poyamba HPMC inayandama pamwamba pa madzi, ndipo pang'onopang'ono imapanga slurry, yomwe inakhazikika pansi pa kugwedezeka.
2), onjezani 1/3 kapena 2/3 yamadzi ofunikira mumtsuko, ndikuwotcha mpaka 70 ° C, falitsani HPMC molingana ndi njira ya 1), ndikukonzekera slurry yamadzi otentha; kenaka yikani otsala kuchuluka kwa madzi ozizira kwa madzi otentha slurry, osakaniza utakhazikika pambuyo oyambitsa.
Njira yosakaniza ufa: sakanizani ufa wa HPMC ndi zinthu zina zambiri za ufa, sakanizani bwino ndi chosakanizira, kenaka yikani madzi kuti asungunuke, ndiye HPMC ikhoza kusungunuka panthawiyi popanda agglomeration, chifukwa pali HPMC pang'ono pakona iliyonse ya Powder, idzasungunuka nthawi yomweyo ikakumana ndi madzi. ——Opanga matope a ufa ndi matope akugwiritsa ntchito njirayi. [Hydroxypropyl methylcellulose (HPMC) amagwiritsidwa ntchito ngati thickener ndi chosungira madzi mu putty powder mortar. ]
4. Kodi mungaweruze bwanji ubwino wa hydroxypropyl methylcellulose (HPMC) mophweka komanso mwachidziwitso?
Yankho: (1) Kuyera: Ngakhale kuyera sikungadziwe ngati HPMC ndi yosavuta kugwiritsa ntchito, ndipo ngati zowonjezera zoyera zikuwonjezeredwa panthawi yopanga, zidzakhudza khalidwe lake. Komabe, zinthu zambiri zabwino zimakhala ndi zoyera zabwino. (2) Fineness: Ubwino wa HPMC nthawi zambiri umakhala ndi mauna 80 ndi mauna 100, ndipo mauna 120 ndiwocheperako. HPMC yambiri yopangidwa ku Hebei ndi 80 mesh. Kukongoletsedwa bwino, kunena zambiri, kumakhala bwinoko. (3) Kutumiza kowala: ikani hydroxypropyl methylcellulose (HPMC) m'madzi kuti mupange colloid yowonekera, ndikuyang'ana kuwala kwake. Kuchuluka kwa kuwala kwamagetsi, kumakhala bwinoko, kusonyeza kuti muli ma insolubles ochepa mmenemo. . The permeability wa ofukula riyakitala zambiri zabwino, ndi yopingasa riyakitala ndi zoipa, koma sizikutanthauza kuti khalidwe ofukula riyakitala kuposa yopingasa riyakitala, ndi mankhwala khalidwe anatsimikiza ndi zinthu zambiri. (4) Mphamvu yokoka yeniyeni: Kuchuluka kwa mphamvu yokoka kwapadera, ndikolemera kwambiri. Kutsimikizika ndi kwakukulu, makamaka chifukwa zomwe zili mugulu la hydroxypropyl momwemo ndizazikulu, ndipo zomwe zili mugulu la hydroxypropyl ndizokwera, kusungirako madzi kuli bwino.
5. Kodi hydroxypropyl methylcellulose (HPMC) mu putty powder ndi chiyani?
Yankho: Kuchuluka kwa HPMC komwe kumagwiritsidwa ntchito pochita ntchito kumasiyanasiyana malinga ndi nyengo, kutentha, khalidwe la calcium phulusa la m'deralo, ufa wa putty powder ndi "khalidwe lofunika kwa makasitomala". Nthawi zambiri, pakati pa 4 kg ndi 5 kg. Mwachitsanzo: ufa wambiri wa putty ku Beijing ndi 5 kg; ambiri a putty ufa ku Guizhou ndi 5 makilogalamu m'chilimwe ndi 4.5 makilogalamu m'nyengo yozizira; kuchuluka kwa putty ku Yunnan ndi kochepa, nthawi zambiri 3 kg mpaka 4 kg, etc.
6. Kodi kukhuthala koyenera kwa hydroxypropyl methylcellulose (HPMC) ndi chiyani?
Yankho: Putty ufa nthawi zambiri ndi 100,000 yuan, ndipo zofunikira pamatope ndizokwera, ndipo 150,000 yuan ndizofunikira kuti zigwiritsidwe ntchito mosavuta. Komanso, ntchito yofunika kwambiri ya HPMC ndi kusunga madzi, kenako thickening. Mu ufa wa putty, malinga ngati kusungirako madzi kuli bwino ndipo kukhuthala kuli kochepa (70,000-80,000), ndizothekanso. Zoonadi, kukwezeka kwa viscosity kumapangitsa kuti madzi azikhala bwino. Pamene mamasukidwe akayendedwe kuposa 100,000, mamasukidwe akayendedwe adzakhudza kasungidwe madzi. Osatinso zambiri.
7. Kodi zizindikiro zazikulu za hydroxypropyl methylcellulose (HPMC) ndi ziti?
Yankho: Zomwe zili ndi Hydroxypropyl ndi viscosity, ogwiritsa ntchito ambiri amakhudzidwa ndi zizindikiro ziwirizi. Amene ali ndi hydroxypropyl yambiri amakhala ndi madzi osungira bwino. Amene ali ndi kukhuthala kwakukulu amakhala ndi madzi osungira bwino, (osati mwamtheradi), ndipo omwe ali ndi kukhuthala kwakukulu amagwiritsidwa ntchito bwino mumatope a simenti.
8. Kodi zopangira zazikulu za hydroxypropyl methylcellulose (HPMC) ndi ziti?
Yankho: Zopangira zazikulu za hydroxypropyl methylcellulose (HPMC): thonje woyengedwa, methyl chloride, propylene oxide, ndi zina zopangira, caustic koloko, asidi, toluene, isopropanol, etc.
9. Kodi ntchito yaikulu yogwiritsira ntchito HPMC mu putty powder ndi yotani, ndipo imachitika ndi mankhwala?
Yankho: Mu putty powder, HPMC imagwira ntchito zitatu zokulitsa, kusunga madzi ndi kumanga. Kukhuthala: Ma cellulose amatha kukhuthala kuti ayimitse ndikusunga yunifolomu ya yankho mmwamba ndi pansi, ndikupewa kugwa. Kusungirako madzi: pangani ufa wa putty kuti uume pang'onopang'ono, ndipo thandizani phulusa la calcium kuti lizigwira ntchito pansi pa madzi. Zomangamanga: Ma cellulose amakhala ndi mafuta, omwe amatha kupanga ufa wa putty kukhala womanga bwino. HPMC satenga nawo gawo pazosintha zilizonse zamakina, koma imagwira ntchito yothandiza. Kuonjezera madzi ku ufa wa putty ndikuwuyika pakhoma ndi mankhwala, chifukwa zinthu zatsopano zimapangidwira. Ngati mutachotsa ufa wa putty pakhoma kuchokera pakhoma, perani kukhala ufa, ndikugwiritsanso ntchito, sizingagwire ntchito chifukwa zinthu zatsopano (calcium carbonate) zapangidwa. ) nawonso. Zigawo zazikulu za ufa wa phulusa la calcium ndi: osakaniza a Ca (OH) 2, CaO ndi CaCO3 pang'ono, CaO+H2O=Ca(OH)2 -Ca(OH)2+CO2=CaCO3↓+H2O Kashiamu yam'madzi ili m'madzi ndi mpweya Pansi pa CO2, calcium carbonate imapangidwa, pamene HPMC imasunga kashiamu m'madzi, imagwiranso ntchito bwino, imathandizira madzi.
10. HPMC ndi ether yosakhala ya ionic cellulose, ndiye kuti si-ionic ndi chiyani?
Yankho: Nthawi zambiri, si-ion ndi chinthu chomwe sichingalowe m'madzi. Ionization imatanthawuza njira yomwe electrolyte imasiyanitsidwa ndi ma ion omwe amatha kuyenda momasuka muzosungunulira zina (monga madzi, mowa). Mwachitsanzo, sodium chloride (NaCl), mchere umene timadya tsiku lililonse, umasungunuka m'madzi ndi ionizes kupanga ma ion sodium (Na+) omwe ali ndi magetsi abwino komanso ma chloride ions (Cl) omwe ali ndi vuto loipa. Ndiko kunena kuti, HPMC ikayikidwa m'madzi, sidzasiyanitsidwa ndi ma ion opangidwa, koma imakhalapo ngati mamolekyu.
11. Kodi kutentha kwa gelisi ya hydroxypropyl methylcellulose kumagwirizana ndi chiyani?
Yankho: Kutentha kwa gel osakaniza a HPMC kumagwirizana ndi zomwe zili mu methoxy, kutsika kwa methoxy ↓, kumapangitsa kutentha kwa gel ↑.
12. Kodi pali ubale uliwonse pakati pa dontho la putty powder ndi HPMC?
Yankho: Kutayika kwa ufa wa putty powder makamaka kumagwirizana ndi khalidwe la phulusa la calcium, ndipo silikugwirizana kwambiri ndi HPMC. Kashiamu wochepa wa calcium yotuwira ndi chiŵerengero chosayenera cha CaO ndi Ca(OH)2 mu kashiamu wotuwa zidzachititsa kuti ufa uwonongeke. Ngati ili ndi chochita ndi HPMC, ndiye ngati HPMC ili ndi kusungirako madzi kosauka, idzachititsanso kutaya ufa. Pazifukwa zenizeni, chonde onani funso 9.
13. Kodi pali kusiyana kotani pakati pa madzi ozizira nthawi yomweyo ndi mtundu wosungunuka wa hydroxypropyl methylcellulose popanga?
Yankho: Madzi ozizira nthawi yomweyo amtundu wa HPMC amathiridwa pamwamba ndi glyoxal, ndipo amabalalika m'madzi ozizira, koma samasungunuka kwenikweni. Imasungunuka kokha pamene mamasukidwe akayendedwe akuwonjezeka. Mitundu yotentha yosungunula sichimathandizidwa ndi glyoxal. Ngati kuchuluka kwa glyoxal kuli kwakukulu, kubalalitsidwa kudzakhala kofulumira, koma kukhuthala kumawonjezeka pang'onopang'ono, ndipo ngati kuchuluka kwake kuli kochepa, zosiyana zidzakhala zoona.
14. Kodi fungo la hydroxypropyl methylcellulose (HPMC) ndi chiyani?
Yankho: HPMC yopangidwa ndi njira yosungunulira imagwiritsa ntchito toluene ndi isopropanol monga zosungunulira. Ngati kusamba sikuli bwino, padzakhala fungo lotsalira.
15. Kodi mungasankhire bwanji hydroxypropyl methylcellulose (HPMC) pazifukwa zosiyanasiyana?
Yankho: Kugwiritsa ntchito ufa wa putty: zofunikira ndizochepa, ndipo kukhuthala kwake ndi 100,000, zomwe ndi zokwanira. Chofunika ndi kusunga madzi bwino. Kugwiritsa ntchito matope: zofunikira zapamwamba, kukhuthala kwakukulu, 150,000 ndizabwinoko. Kugwiritsa ntchito guluu: zinthu pompopompo zokhala ndi kukhuthala kwakukulu zimafunikira.
16. Kodi dzina lina la hydroxypropyl methylcellulose ndi chiyani?
Yankho: Hydroxypropyl Methyl Cellulose, English: Hydroxypropyl Methyl Cellulose Chidule cha HPMC kapena MHPC Alias: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
17. Kugwiritsa ntchito HPMC mu putty powder, chifukwa chiyani mavuvu mu putty powder ndi chiyani?
Yankho: Mu putty powder, HPMC imagwira ntchito zitatu zokulitsa, kusunga madzi ndi kumanga. Osatenga nawo mbali pazokambirana zilizonse. Zifukwa za thovu: 1. Ikani madzi ambiri. 2. Chosanjikiza chapansi sichimauma, ingochotsani china pamwamba, ndipo ndichosavuta kutulutsa thovu.
18. Kodi ufa wa putty wa makoma amkati ndi akunja ndi chiyani?
Yankho: Inner khoma putty ufa: heavy calcium 800KG, imvi kashiamu 150KG (wowuma etere, koyera wobiriwira, Pengrun nthaka, citric acid, polyacrylamide, etc. akhoza kuwonjezeredwa moyenera)
Kunja khoma putty ufa: simenti 350KG heavy calcium 500KG quartz mchenga 150KG latex ufa 8-12KG mapadi etere 3KG wowuma etere 0.5KG nkhuni CHIKWANGWANI 2KG
Nthawi yotumiza: Dec-13-2022