1, he aha ka hoʻohana nui o ka hydroxypropyl methyl cellulose (HPMC)?
Hoʻohana nui ʻia ka HPMC i nā mea kūkulu hale, nā uhi, nā resins synthetic, nā seramika, nā lāʻau lapaʻau, nā meaʻai, nā textiles, nā mahiʻai, nā mea hoʻonaninani, ka paka a me nā ʻoihana ʻē aʻe. Hiki ke hoʻokaʻawale ʻia ka HPMC i: papa hana, papa meaʻai a me ka lāʻau lapaʻau ma ka hoʻohana ʻana. I kēia manawa, ʻo ka hapa nui o ka papa hana hale, i ka papa hana, nui ka nui o ka pauka putty, ma kahi o 90% e hoʻohana ʻia e hana i ka pauka putty, hoʻohana ʻia ke koena e hana i ka mortar sima a me ke kāpili.
2, ua maheleia ka hydroxypropyl methyl cellulose (HPMC) i mau, heaha ka like ole o kona hoohana ana?
Hiki ke hoʻokaʻawale ʻia ka HPMC i ka ʻano hoʻonā koke a me ka wela, nā huahana koke, i ka wai anuanu i hoʻopuehu koke ʻia, nalowale i ka wai, i kēia manawa ʻaʻohe viscosity o ka wai, no ka mea, ua hoʻopuehu wale ʻia ka HPMC i ka wai, ʻaʻohe dissolution maoli. Ma kahi o 2 mau minuke, piʻi mālie ka viscosity o ka wai, e hana ana i kahi colloid viscous transparent. ʻO nā huahana hiki ke hoʻoheheʻe wela, i ka wai anuanu, hiki ke hoʻopuehu koke ʻia i ka wai wela, nalowale i ka wai wela, i ka wā e hāʻule ai ka mahana i kahi mahana (ʻo kā mākou huahana he 65 degere Celsius), ʻike mālie ka viscosity, a hiki i ka hoʻokumu ʻana o ka colloid viscous. Hiki ke hoʻohana wale ʻia ka hopena wela i ka pauka putty a me ka mortar, i loko o ka wai wai a me ka pena, aia kahi hanana hui, ʻaʻole hiki ke hoʻohana. KA HOʻOHANA HOʻOHAʻI WAIWAI, KA PALAPALA O KA PALAPALA HE LIILII KA PALAPALA, I KA PALAPALA ME KA PAUDA KEIKI A ME KA MOMO, A ME KA LUI A ME KA PILI, Hiki ke hoohana i na mea a pau, me ka ole o ka Contraindicated.
3, hydroxypropyl methyl cellulose (HPMC) solubility hana i ka poe?
– A: Ke ʻano hoʻoheheʻe wai wela: No ka mea ʻaʻole i hoʻoheheʻe ʻia ka HPMC i ka wai wela, no laila hiki ke hoʻopuehu like ʻia ka HPMC mua i ka wai wela, a laila hemo koke i ka wā i hoʻomaloʻo ʻia, wehewehe ʻia nā ʻano maʻamau ʻelua penei:
1) E hoʻokomo i ka nui o ka wai wela i loko o ka ipu a hoʻomehana iā ia ma kahi o 70 ℃. Hoʻohui mālie i ka hydroxypropyl methylcellulose ma lalo o ka hoʻoulu ʻana, ua hoʻomaka ʻo HPMC e lana ma luna o ka wai, a laila hana mālie i kahi slurry, ma lalo o ka hoʻoulu ʻana i ka hoʻoluʻu ʻana i ka slurry.
2), e hoʻohui i ka nui i makemake ʻia o 1/3 a i ʻole 2/3 wai i loko o ka ipu, a wela i 70 ℃, e like me ke ʻano o 1), HPMC dispersion, hoʻomākaukau i ka slurry wai wela; A laila e hoʻohui i ke koena o ka wai anuanu i ka slurry wela, e hoʻoulu a hoʻomaha i ka hui.
ʻO ke ʻano o ka hui ʻana o ka pauka: ʻO ka pauka HPMC a me ka nui o nā mea pauda ʻē aʻe, i hui pū ʻia me kahi blender, ma hope o ka hoʻohui ʻana i ka wai e hoʻoheheʻe ʻia, a laila hiki i ka HPMC ke hoʻoheheʻe i kēia manawa, akā ʻaʻole cohesion, no ka mea, ʻo kēlā me kēia kihi liʻiliʻi, kahi pauka HPMC liʻiliʻi. , e hemo koke ka wai. - Ke hoʻohana nei nā ʻoihana hoʻoulu ʻana i ka pauka putty a me ka mortar i kēia ʻano. Hoʻohana ʻia ʻo Hydroxypropyl methyl cellulose (HPMC) ma ke ʻano he mānoanoa a me ka mea paʻa wai i loko o ka mortar pauka putty.
4, pehea ka maʻalahi a me ka intuitive e hoʻoholo i ka maikaʻi o ka hydroxypropyl methyl cellulose (HPMC)?
- Pane: (1) keʻokeʻo: ʻoiai ʻaʻole hiki i ka keʻokeʻo ke hoʻoholo inā maikaʻi ka HPMC e hoʻohana, a inā e hoʻohui ʻia i ke kaʻina hana o ka mea keʻokeʻo, e hoʻopilikia i kona ʻano. Eia naʻe, he keʻokeʻo ka nui o nā huahana maikaʻi. (2) fineness: HPMC fineness maʻamau 80 mesh a me 100 mesh, 120 emi kumu, Hebei HPMC nui 80 mesh, o ka fineness ka fineness, maʻamau o ka maikai. (3) transmittance: ka hydroxypropyl methyl cellulose (HPMC) i loko o ka wai, ka hoʻokumu ʻana o kahi colloid transparent, ʻike i kona transmittance, ʻoi aku ka nui o ka transmittance, ʻoi aku ka maikaʻi, ʻoi aku ka liʻiliʻi o nā mea i loko. ʻOi aku ka maikaʻi o ka permeability o ka reactor vertical, ʻoi aku ka maikaʻi o ka reactor horizontal, akā ʻaʻole hiki ke hōʻike i ka maikaʻi o ka hana reactor vertical i ʻoi aku ka maikaʻi ma mua o ka hana ʻana o ka reactor horizontal, ua hoʻoholo ʻia ka maikaʻi o ka huahana e nā kumu he nui. (4) ʻumekaumaha kikoʻī: ʻoi aku ka nui o ka ʻumekaumaha kikoʻī, ʻoi aku ke kaumaha o ka maikaʻi. Ma mua o ka mea nui, ma muli o ke kiʻekiʻe o ka ʻike o ka hydroxypropyl, ʻoi aku ka nui o ka hydroxypropyl content, a laila ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai.
5, hydroxypropyl methyl cellulose (HPMC) i ka nui o ka pauka putty?
- Pane: HPMC i ka hoʻohana maoli ʻana o ke ʻano, ma ke ʻano o ke aniau, ka mahana, ka maikaʻi o ka lehu calcium kūloko, ka pauka putty a me nā "koi o nā mea kūʻai aku o ka maikaʻi", a he ʻokoʻa. Ma ka ʻōlelo maʻamau, ma waena o ʻehā a me ʻelima kilokani. No ka laʻana: Peking putty pauka, ka nui o 5 kg; Ma Guizhou, ʻo ka hapa nui o lākou he 5 kg i ke kauwela a me 4.5 kg i ka hoʻoilo. He liʻiliʻi ka nui o Yunnan, maʻamau 3 kg -4 kg a pēlā aku.
6, hydroxypropyl methyl cellulose (HPMC) pehea ka nui o ka viscosity kūpono?
- Pane: E ʻoluʻolu me ke keiki pauda GENERAL 100 tausani OK, ʻoi aku ka kiʻekiʻe o ka pono o ka mortar, makemake ʻoe i 150 tausani hiki ke hoʻohana. Eia kekahi, ʻo ka hana nui o ka HPMC ʻo ka mālama ʻana i ka wai, a ukali ʻia e ka mānoanoa. I ka pauka putty, ʻoiai ka maikaʻi o ka paʻa ʻana o ka wai, haʻahaʻa ka viscosity (7-80 tausani), hiki nō hoʻi, ʻoiaʻiʻo, ʻoi aku ka nui o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai, ke ʻoi aku ka viscosity ma mua o 100 tausani, he liʻiliʻi ka hopena o ka viscosity i ka paʻa ʻana o ka wai.
7, hydroxypropyl methyl cellulose (HPMC) he aha nā hōʻailona ʻenehana nui?
A: Hydroxypropyl content a me ka viscosity, ʻo ia ka mea e hopohopo nei ka hapa nui o nā mea hoʻohana. He kiʻekiʻe ka ʻike hydroxypropyl, ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai. ʻOi aku ka maikaʻi o ka viscosity, ka paʻa ʻana o ka wai, pili (akā ʻaʻole paʻa), a ʻoi aku ka maikaʻi o ka viscosity, i loko o ka pahu sima maikaʻi e hoʻohana i kekahi.
8, hydroxypropyl methyl cellulose (HPMC) nā mea maka nui he aha?
- Pane: hydroxypropyl methyl cellulose (HPMC) o nā mea waiwai nui: ka pulupulu hoʻomaʻemaʻe, chloromethane, propylene oxide, nā mea waiwai ʻē aʻe i loaʻa, papa alkali, acid, toluene, isopropyl alcohol, etc.
9, HPMC i ka hoʻohana ʻana i ka pauka putty, he aha ka hana nui, inā he kemika?
ʻO ka HPMC i ka pauka putty, ka mānoanoa, ka mālama ʻana i ka wai a me ke kūkulu ʻana i ʻekolu hana. Mānoanoa: Hiki ke mānoanoa ka cellulose e pāʻani i ka hoʻokuʻu ʻana, i hiki ai i ka hopena ke mālama i ka ʻaʻahu i luna a i lalo i ka hana like, anti kahe e kau ana. Ka mālama ʻana i ka wai: e hoʻomaloʻo mālie i ka pauka putty, kōkua ka lehu calcium ma lalo o ka hana o ka wai. Hana: He hopena lubricating ka Cellulose, hiki ke hana i ka pauka putty i ke kūkulu maikaʻi. ʻAʻole komo ʻo HPMC i nā hopena kemika, he hana kōkua wale nō. ʻO ka pauka Putty i hoʻohui ʻia i ka wai, ma ka paia, he hopena kemika, no ka mea aia ka hana o nā mea hou, ʻo ka pauda putty ma ka paia mai lalo mai ka paia, lepo i ka pauka, a laila hoʻohana ʻia, ʻaʻole ia, no ka mea, ua hana ʻia he mea hou (calcium carbonate). ʻO nā mea nui o ka pauka calcium hina: Ca(OH)2, CaO a me kahi liʻiliʻi o ka hui ʻana o CaCO3, CaO+H2O=Ca(OH)2 – Ca(OH)2+CO2=CaCO3↓+H2O calcium lehu i loko o ka wai. a me ka ea ma lalo o ka hana o CO2, ka hookumu ana o ka calcium carbonate, a me ka HPMC wale ka wai paʻa, auxiliary calcium lehu maikaʻi pane, kona iho 'aʻole i komo i kekahi pane.
10, HPMC non-ionic cellulose ether, a laila he aha ka non-ionic?
A: ʻO ka ʻōlelo maʻamau, ʻo ka nonionic kahi mea i loko o ka wai ʻaʻole ionize. ʻO ka Ionization ke kaʻina hana e hoʻokaʻawale ʻia ai kahi electrolyte i loko o ka neʻe manuahi ʻana i nā ion i hoʻopaʻa ʻia i loko o kahi solvent, e like me ka wai a i ʻole ka waiʻona. No ka laʻana, ʻo ka sodium chloride (NaCl), ka paʻakai a mākou e ʻai ai i kēlā me kēia lā, hoʻoheheʻe ʻia i ka wai a hoʻoheheʻe ʻia e hana i nā ion sodium neʻe manuahi (Na+) i hoʻoili maikaʻi ʻia a me nā ion chloride (Cl) i hoʻoili ʻole ʻia. I nā huaʻōlelo ʻē aʻe, ʻaʻole i hoʻokaʻawale ʻia ka HPMC i loko o ka wai i loko o nā ion i hoʻopaʻa ʻia, akā aia ma ke ʻano he mau mole.
11, hydroxypropyl methylcellulose gel wela a he aha ka pili?
- Pane: Ua pili ka mahana gel o HPMC i kona ʻike methoxy. ʻO ka haʻahaʻa o ka methoxy maʻiʻo, ʻoi aku ka kiʻekiʻe o ka mahana gel ↑.
12. Aia kekahi pilina ma waena o ka pauda putty a me HPMC?
- Pane: ʻO ka pauka putty pauda a me ka maikaʻi o ka calcium he pilina maikaʻi loa, a ʻaʻole pili nui ka HPMC. ʻAʻole kūpono ka haʻahaʻa calcium o ka calcium a me ka hapa o CaO, Ca(OH)2 i ka lehu calcium, e hāʻule ka pauka. Inā pili ia me ka HPMC, a laila ʻilihune ka paʻa ʻana o ka wai o HPMC, e hāʻule pū ka pauda. No nā kumu kikoʻī, e ʻoluʻolu e ʻike i ka nīnau 9.
13, hydroxypropyl methylcellulose wai anuanu ʻano a me ke ʻano wela wela i ke kaʻina hana, he aha ka ʻokoʻa?
- A: ʻO ka HPMC wai anuanu ʻano hoʻoheheʻe ʻia ma hope o ka mālama ʻana i ka honua glyoxal, hoʻokomo i ka wai anuanu i hoʻopuehu koke ʻia, ʻaʻole naʻe i hoʻoheheʻe maoli ʻia, viscosity up, ua hoʻoheheʻe ʻia. ʻAʻole mālama ʻia ka ʻano wela me ka glyoxal. Nui ka nui o ka glyoxal, wikiwiki ka hoʻopuehu, akā lohi ka viscosity, liʻiliʻi ka leo, ma ke ʻano.
14, hydroxypropyl methyl cellulose (HPMC) ka ʻala o ka mea e hana nei?
- Pane: ʻO ka HPMC i hana ʻia e ke ʻano solvent i hana ʻia me ka toluene a me ka waiʻona isopropyl ma ke ʻano he solvent. Inā ʻaʻole maikaʻi loa ka holoi ʻana, loaʻa kekahi ʻono i koe.
15, hoʻohana like ʻole, pehea e koho ai i ka hydroxypropyl methyl cellulose (HPMC) pono?
- Pane: ʻO ka hoʻohana ʻana i ka pauka putty: ʻoi aku ka haʻahaʻa o ke koi, ʻo ka viscosity he 100 tausani, ʻoi aku ka maikaʻi, ʻo ka mea nui ka mālama ʻana i ka wai. Ka hoʻohana ʻana i ka mortar: ʻoi aku ka kiʻekiʻe o ke koi, ʻoi aku ka viscosity kiʻekiʻe, ʻoi aku ka maikaʻi o 150 tausani. Ka hoʻohana ʻana i ke kāpili: pono nā huahana koke, viscosity kiʻekiʻe.
16, hydroxypropyl methylcellulose he aha ka inoa?
A: Hydroxypropyl Methyl Cellulose, English: Hydroxypropyl Methyl Cellulose abbreviation: HPMC a i ʻole MHPC alias: Hydroxypropyl Methyl Cellulose; Cellulose hydroxypropyl methyl ether; Cellulose Hypromellose, 2-hydroxypropyl methyl Cellulose etera. Cellulose hydroxypropyl Methyl ether Hyprolose.
17, HPMC i ka hoʻohana ʻana i ka pauka putty, putty pauka bubble he aha ke kumu?
ʻO ka HPMC i ka pauka putty, ka mānoanoa, ka mālama ʻana i ka wai a me ke kūkulu ʻana i ʻekolu hana. ʻAʻole komo i kekahi pane. ʻO ke kumu o nā ʻōhū: 1, ua nui ka wai. 2, ʻaʻole maloʻo ka lalo, ma luna a ʻokiʻoki i kahi papa, maʻalahi hoʻi e ʻōhū.
18. ʻO ka pauka Putty no nā paia o loko a me waho?
- pane: pauda putty no ka paia o loko: 800KG o ka calcium kaumaha a me 150KG o ka calcium hina (hiki ke hoʻohui ʻia ka starch ether, ka ʻōmaʻomaʻo maʻemaʻe, ka lepo peng, ka waikawa citric a me ka polyacrylamide)
ʻO ka pauka putty pā waho: sima 350KG calcium kaumaha 500KG quartz one 150KG latex pauda 8-12kg cellulose etera 3KG starch etera 0.5kg fiber laau 2KG
19. He aha ka ʻokoʻa ma waena o HPMC a me MC?
- ʻO MC no ka methyl cellulose, ʻo ia ka pulupulu hoʻomaʻemaʻe ma hope o ka mālama ʻana i ka alkali, me ka methane chloride ma ke ʻano he etherification agent, ma o ke ʻano o nā hopena a me ka cellulose ether. ʻO ka maʻamau, ʻo ke degere o ka hoʻololi ʻana he 1.6 ~ 2.0, a ʻokoʻa ka solubility me ke ʻano o ka hoʻololi. He etera cellulose non-ionic.
(1) ʻO ka paʻa ʻana o ka wai o ka methyl cellulose e pili ana i ka nui o ka hoʻohui ʻana, ka viscosity, ka maikaʻi o ka ʻāpana a me ka wikiwiki o ka hemo. Hoʻohui maʻamau i ka nui, liʻiliʻi liʻiliʻi, viscosity, kiʻekiʻe ka paʻa wai. I waena o lākou, ʻo ka nui o ka hoʻohui ʻia i ka pae paʻa wai ka hopena nui loa, ʻaʻole kūlike ka viscosity a me ke kiʻekiʻe o ka paʻa wai i ka pilina. ʻO ka nui o ka hoʻoheheʻe ʻana e hilinaʻi nui ʻia i ka pae hoʻololi o ka ʻili a me ka maikaʻi o nā ʻāpana cellulose. I loko o ka cellulose ether i luna, ʻoi aku ka kiʻekiʻe o ka methyl cellulose a me ka hydroxypropyl methyl cellulose.
(2) Hiki ke hoʻoheheʻe ʻia ka methyl cellulose i loko o ka wai anuanu, ʻo ka wai wela i hoʻoheheʻe ʻia e hālāwai me nā pilikia, ʻo kona ʻano wai i ka pH = 3 ~ 12 pae paʻa loa. He kūpono maikaʻi me ka starch, guanidine gum a me nā mea hoʻoheheʻe he nui. Hana ʻia ka Gelation i ka wā e hiki ai ka mahana i ka mahana gelation.
(3) E hoʻololi koʻikoʻi ka hoʻololi o ka mahana i ka pae paʻa wai o ka methyl cellulose. ʻO ka maʻamau, ʻoi aku ka kiʻekiʻe o ka mahana, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. Inā ʻoi aku ka mahana o ka mortar ma mua o 40 ℃, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai o ka methyl cellulose, e hoʻopilikia nui i ke kūkulu ʻana i ka mortar.
(4) Loaʻa ka mana o ka methyl cellulose i ke kūkulu ʻana a me ka pili ʻana o ka mortar. Ma ʻaneʻi, ʻo ka "adhesion" e pili ana i ka ikaika hoʻopili i manaʻo ʻia ma waena o ka mea hana noi a ka mea hana a me ke pani o ka paia, ʻo ia hoʻi, ka pale ʻana o ka mortar. He nui ka waiwai adhesive, nui ka pale ʻana o ka mortar, a ʻo ka ikaika e koi ʻia e nā limahana i ka hana o ka hoʻohana ʻana he nui nō hoʻi, no laila ua ʻilihune ka waiwai o ke kūkulu ʻana. I loko o nā huahana cellulose ether, aia ka methyl cellulose adhesion ma kahi pae waena.
HPMC no ka hydroxypropyl methyl cellulose, ua hana ʻia me ka pulupulu i hoʻomaʻemaʻe ʻia ma hope o ka mālama ʻana i ka alkalization, me ka propylene oxide a me ka chloromethane ma ke ʻano he etherifying agent, ma o ke ʻano o nā hopena a hana ʻia me ka non-ionic cellulose i hui ʻia eter. ʻO ka pae hoʻololi maʻamau he 1.2 ~ 2.0. Hoʻopili ʻia kona mau waiwai e ka hapa o ka methoxy content a me ka hydroxypropyl content.
(1) hydroxypropyl methyl cellulose hiki ke hoʻoheheʻe ʻia i ka wai anuanu, ʻo ka wai wela i hoʻoheheʻe ʻia e hālāwai me nā pilikia. Akā ʻoi aku ka kiʻekiʻe o ka mahana o ka gelation i ka wai wela ma mua o ka methyl cellulose. Hoʻomaikaʻi nui ʻia ka solubility o ka methyl cellulose i ka wai anuanu.
(2) pili ka viscosity o ka hydroxypropyl methyl cellulose i kona kaumaha mole, a ʻo ke kaumaha mole nui ka viscosity kiʻekiʻe. E pili ana ka mahana i kona viscosity, piʻi ka mahana, emi iho ka viscosity. Eia naʻe, ʻoi aku ka haʻahaʻa o ka viscosity o ka wela ma mua o ka methyl cellulose. Paʻa ka hopena ke mālama ʻia ma ka lumi wela.
(3) He kūpaʻa ka hydroxypropyl methyl cellulose i ka waika a me ka alkali, a paʻa loa kona hopena wai i ka pae o ka pH = 2 ~ 12. ʻAʻohe hopena maikaʻi loa o ka soda a me ka wai lime i kona mau waiwai, akā hiki i ka alkali ke hoʻolalelale i kona helu hemo a hoʻomaikaʻi i ka viscosity o ka pine. He kūpaʻa ka Hydroxypropyl methyl cellulose i nā paʻakai maʻamau, akā ke kiʻekiʻe ka neʻe ʻana o ka hopena paʻakai, piʻi ka viscosity o ka hydroxypropyl methyl cellulose solution.
(4) ʻO ka paʻa ʻana o ka wai o ka hydroxypropyl methyl cellulose e pili ana i ka nui o kāna mea i hoʻohui ʻia, viscosity, etc., ʻoi aku ka nui o ka nui o ka paʻa wai ma mua o ka methyl cellulose.
(5) Hiki ke hoʻohui ʻia ka hydroxypropyl methyl cellulose me nā pūhui polymer hiki ke hoʻoheheʻe ʻia i ka wai e lilo i ʻano like, ʻoi aku ka nui o ka viscosity solution. E like me ka waiʻona polyvinyl, starch ether, mea kanu kumu a pēlā aku.
(6) ʻOi aku ka kiʻekiʻe o ka hoʻopili ʻana o ka hydroxypropyl methyl cellulose i ke kūkulu ʻana i ka mortar ma mua o ka methyl cellulose.
(7) hydroxypropyl methyl cellulose iʻoi aku ka maikaʻi o ke kū'ēʻana i ka enzymatic ma mua o ka methyl cellulose, aʻo ka hiki ke hoʻohaʻahaʻa i ka enzymatic o kona hopena he haʻahaʻa ma mua o ka methyl cellulose.
20, ka pilina ma waena o ka viscosity a me ka mahana o ka HPMC, ka mea e pono e hoʻolohe i ka hana pono?
- Pane: ʻO ka viscosity o ka HPMC ke kūlike me ka mahana, ʻo ia hoʻi, piʻi ka viscosity me ka emi ʻana o ka mahana. Ke kamaʻilio nei mākou e pili ana i ka viscosity o kahi huahana, ʻo ia ka hopena o ke ana ʻana i kāna 2% aqueous solution ma kahi mahana o 20 degere Celsius.
Ma ka hoʻohana pono, ma nā wahi me ka nui o ka ʻokoʻa wela ma waena o ke kauwela a me ka hoʻoilo, pono e uku ʻia i ka ʻōlelo aʻoaʻo e hoʻohana i ka viscosity haʻahaʻa i ka hoʻoilo, ʻoi aku ka maikaʻi o ke kūkulu ʻana. A i ʻole, ke haʻahaʻa ka mahana, e hoʻonui ka viscosity o ka cellulose, i ka wā e ʻoki ai, e kaumaha ana ka manaʻo.
Ka manawa hoʻouna: Sep-20-2022