ʻO kēia ʻatikala ma ke ʻano o nā nīnau a me nā pane no ka mea heluhelu e pili ana i ka ʻike e pili ana i ka hydroxypropyl methyl cellulose ether, i loaʻa iā ʻoe kahi ʻike hohonu o HPMC i ka manawa pōkole, i mea e koho maikaʻi ai a hoʻohana i kēia ʻano huahana i ka hana maoli.
1, he aha ka hoʻohana nui ʻana ohydroxypropyl methyl cellulose (HPMC)?
Hoʻohana nui ʻia ʻo HPMC i nā mea kūkulu hale, nā uhi, nā resins synthetic, nā keramika, nā lāʻau lapaʻau, nā meaʻai, nā lole, ka mahiʻai, nā mea hoʻonani, ka paka a me nā ʻoihana ʻē aʻe. Hiki ke hoʻokaʻawale ʻia ka HPMC i: ke ʻano kūkulu, ke ʻano meaʻai a me ke ʻano lapaʻau ma o ka hoʻohana ʻana. I kēia manawa, ʻo ka hapa nui o ke ʻano kūkulu hale, ma ke ʻano kūkulu, he nui ka nui o ka pauka putty, ma kahi o 90% e hoʻohana ʻia e hana i ka pauka putty, ʻo ke koena e hoʻohana ʻia e hana i ka sima sima a me ke kāpili.
2, ua māhele ʻia ka hydroxypropyl methyl cellulose (HPMC) i kekahi mau ʻano, he aha ka ʻokoʻa o kona hoʻohana ʻana?
Hiki ke hoʻokaʻawale ʻia ka HPMC i ke ʻano hoʻonā koke a me ka wela, nā huahana koke, i ka wai anuanu e 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 loko o ka wai, ʻaʻohe hoʻoheheʻe maoli. Ma kahi o 2 mau minuke, e piʻi mālie ka viscosity o ka wai, e hana ana i kahi colloid viscous maopopo. ʻO nā huahana hoʻoheheʻe wela, i ka wai anuanu, hiki ke hoʻopuehu koke ʻia i ka wai wela, nalowale i ka wai wela, ke hāʻule ka mahana i kahi mahana, ʻike mālie ka viscosity, a hiki i ka hoʻokumu ʻia ʻana o kahi colloid viscous maopopo. Hiki ke hoʻohana wale ʻia ka hoʻonā wela i ka pauka putty a me ka mortar, i loko o ka glue wai a me ka pena, e loaʻa kahi hanana hui, ʻaʻole hiki ke hoʻohana ʻia. MODEL SOLUTION koke, ʻO ka laulā o ka noi he mau mea ākea, I KA luhi me ka pauka keiki a me ka mortar, A I KA LIQUID GLUE A ME KA UHI, HIKI I NĀ MEA A PAU KE HOʻOHANA, ME KA ʻOLE O KA CONTRAINDICATION.
3, hydroxypropyl methyl cellulose (HPMC) nā ʻano hana solubility i loaʻa iā lākou?
– 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 hoʻoheheʻe koke ʻia i ka wā e hoʻomaʻalili ai, ua wehewehe ʻia ʻelua mau ʻano maʻamau penei: 1), i loko o ka pahu i ka nui o ka wai wela e pono ai, a hoʻomehana ʻia a hiki i kahi 70 ℃. E hoʻohui mālie i ka hydroxypropyl methylcellulose ma lalo o ka hoʻoulu mālie ʻana, hoʻomaka ka HPMC e lana ma luna o ka wai, a laila e hana mālie i kahi slurry, ma lalo o ka hoʻoulu ʻana e hoʻomaʻalili i ka slurry. 2), e hoʻohui i ka nui o ka wai e pono ai he 1/3 a i ʻole 2/3 i loko o ka pahu, a hoʻomehana i 70 ℃, e like me ke ʻano o 1), ka hoʻopuehu ʻana o ka HPMC, ka hoʻomākaukau ʻana i ka slurry wai wela; A laila e hoʻohui i ke koena o ka wai anuanu i ka slurry wela, e hoʻoulu a hoʻomaʻalili i ka hui ʻana. Ke ʻano hui ʻana o ka pauka: ʻO ka pauka HPMC a me ka nui o nā mea pauka ʻē aʻe, i hui maikaʻi ʻia me ka blender, ma hope o ka hoʻohui ʻana i ka wai e hoʻoheheʻe, a laila hiki i ka HPMC ke hoʻoheheʻe i kēia manawa, akā ʻaʻole i ka cohesion, no ka mea, ʻo kēlā me kēia kihi liʻiliʻi, he liʻiliʻi wale nō ka pauka HPMC, e hoʻoheheʻe koke ka wai. – Ke hoʻohana nei nā ʻoihana hana pauka putty a me ka mortar i kēia ʻano hana. HOʻOHANA ʻIA ʻO Hydroxypropyl METHYL cellulose (HPMC) MA KE ʻANO he mea hoʻomānoanoa a me ka mea paʻa wai i loko o ka mortar pauka putty.
4, pehea ka maʻalahi a me ka maʻalahi o ka hoʻoholo ʻana i ka maikaʻi o ka hydroxypropyl methyl cellulose (HPMC)?
– Pane: (1) keʻokeʻo: ʻoiai ʻaʻole hiki i ke keʻokeʻo ke hoʻoholo ināHPMCHe maikaʻi ke hoʻohana ʻana, a inā e hoʻohui ʻia i loko o ke kaʻina hana o ka mea hoʻokeʻokeʻo, e hoʻopilikia i kona ʻano. Eia nō naʻe, ʻo nā huahana maikaʻi he keʻokeʻo ka hapa nui. (2) fineness: ʻO ka fineness HPMC ma ke ʻano he 80 mesh a me 100 mesh, 120 emi ke kumu, ʻo Hebei HPMC ma ke ʻano he 80 mesh, ʻoi aku ka maikaʻi o ka fineness, ʻoi aku ka maikaʻi. (3) transmittance: ʻo ka hydroxypropyl methyl cellulose (HPMC) i loko o ka wai, ka hoʻokumu ʻana o kahi colloid moakaka, ʻike ʻia kona transmittance, ʻoi aku ka nui o ka transmittance, ʻoi aku ka maikaʻi, ʻoi aku ka liʻiliʻi o ka mea insoluble i loko. ʻOi aku ka maikaʻi o ka permeability o ka reactor vertical, ʻoi aku ka maikaʻi ʻole o ka reactor horizontal, akā ʻaʻole hiki ke hōʻike ʻia he ʻoi aku ka maikaʻi o ka hana ʻana o ka reactor vertical ma mua o ka hana ʻana o ka reactor horizontal, ua hoʻoholo ʻia ka maikaʻi o ka huahana e nā kumu he nui. (4) umekaumaha kikoʻī: ʻoi aku ka nui o ke umekaumaha kikoʻī, ʻoi aku ka maikaʻi o ke kaumaha. Ma mua o ke koʻikoʻi, ma ke ʻano he nui no ka mea he kiʻekiʻe ka ʻike o ka hydroxypropyl, he kiʻekiʻe ka ʻike hydroxypropyl, a laila ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai.
5, hydroxypropyl methyl cellulose (HPMC) i ka nui o ka pauka putty?
– Pane: HPMC i ka hoʻopili maoli ʻana o ka dosage, e ke kaiapuni, ka mahana, ka maikaʻi o ka calcium lehu kūloko, ke ʻano o ka pauka putty a me nā "koi o ka mea kūʻai aku o ka maikaʻi", a he ʻokoʻa. Ma ke ʻano laulā, ʻo ka dosage putty pale wai ma 4 kg – 5 kg ma waena. No ka laʻana: ʻo ka pauka putty Beijing, ʻo ka hapa nui e kau ʻia he 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, ma ke ʻano maʻamau he 3 kg -4 kg a pēlā aku. A ʻo ka dosage HPMC ma 821 putty maʻamau he 2 ~ 3 kg.
6, hydroxypropyl methyl cellulose (HPMC) pehea ka nui o ka viscosity kūpono?
– Pane: E luhi me ka pauka keiki GENERAL 100 THOUSAND OK, ʻOi aku ke kiʻekiʻe o ke koi i loko o ka mortar, makemake ʻoe i 150 THOUSAND hiki ke hoʻohana. Eia kekahi, ʻo ke kuleana koʻikoʻi o HPMC ka paʻa ʻana i ka wai, a ukali ʻia e ka mānoanoa. I loko o ka pauka putty, inā maikaʻi 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, i ka wā e ʻoi aku ai ka viscosity ma mua o 100 tausani, ʻaʻole nui ka hopena o ka viscosity i ka paʻa ʻana o ka wai.
7, he aha nā ʻōkuhi loea nui o ka hydroxypropyl methyl cellulose (HPMC)?
A: ʻO ka nui o ka hydroxypropyl a me ka viscosity, ʻo ia ka mea e hopohopo nei ka hapa nui o nā mea hoʻohana. Kiʻekiʻe ka nui o ka hydroxypropyl, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. ʻOi aku ka maikaʻi o ka viscosity, ka paʻa ʻana o ka wai, pili (akā ʻaʻole paʻa loa), a ʻoi aku ka maikaʻi o ka viscosity, i ka sima sima.
8, he aha nā mea nui o ka hydroxypropyl methyl cellulose (HPMC)?
– Pane: hydroxypropyl methyl cellulose (HPMC) o nā mea maka nui: pulupulu i hoʻomaʻemaʻe ʻia, chloromethane, propylene oxide, nā mea maka ʻē aʻe, papa alkali, waikawa, toluene, isopropyl alcohol, a pēlā aku.
9, HPMC i ka noi ʻana o ka pauka putty, he aha ke kuleana nui, inā paha he kemika?
ʻO HPMC i ka pauka putty, ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana o ʻekolu mau kuleana. Mānoanoa: Hiki ke hoʻomānoanoa ʻia ka Cellulose e pāʻani i kahi hoʻokuʻu, i mea e mālama ai ka hopena i ka like a me lalo i ke kuleana like, anti flow elbow. Paʻa wai: e maloʻo mālie ka pauka putty, kōkua ka lehu calcium ma lalo o ka hana a ka wai. Kūkulu ʻana: Loaʻa i ka Cellulose ka hopena lubricating, hiki ke hana i ka pauka putty i ke kūkulu maikaʻi ʻana. ʻAʻole komo ʻo HPMC i kekahi mau hopena kemika, pāʻani wale i kahi kuleana kōkua. ʻO ka pauka putty i hoʻohui ʻia i ka wai, ma ka paia, he hopena kemika, no ka mea, aia ka hanauna o nā mea hou, ka pauka putty ma ka paia i lalo mai ka paia, wili i loko o ka pauka, a laila hoʻohana ʻia, ʻaʻole ia, no ka mea ua hoʻokumu ʻia kahi mea hou (calcium carbonate). ʻO nā ʻāpana nui o ka pauka kalipuna 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 lehu kalipuna i loko o ka wai a me ka lewa ma lalo o ka hana a CO2, ka hoʻokumu ʻia ʻana o ka calcium carbonate, a me HPMC wale nō ka paʻa ʻana o ka wai, ʻoi aku ka maikaʻi o ka hopena o ka lehu kalipuna kōkua, ʻaʻole i komo kāna iho i kekahi hopena.
10, HPMC non-ionic cellulose Ether, a laila he aha ka non-ionic?
A: Ma ke ʻano laulā, ʻo ka nonionic kahi mea i loko o ka wai ʻaʻole i ionize. ʻO ka ionization ke kaʻina hana e hoʻokaʻawale ʻia ai kahi electrolyte i loko o nā ion i hoʻopiʻi ʻia e neʻe manuahi ana i loko o kahi mea hoʻoheheʻe kikoʻī, 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 loko o ka wai a ionize e hana i nā ion sodium neʻe manuahi (Na+) i hoʻopiʻi maikaʻi ʻia a me nā ion chloride (Cl) i hoʻopiʻi maikaʻi ʻole ʻia. I nā huaʻōlelo ʻē aʻe, ʻaʻole hoʻokaʻawale ʻo HPMC i loko o ka wai i loko o nā ion i hoʻopiʻi ʻia, akā aia ma ke ʻano he mau molekala.
11, ka mahana o ka gel hydroxypropyl methylcellulose a me nā mea e pili ana?
– Pane: Pili ka mahana o ka gel o HPMC i kona ʻike methoxy. ʻO ka haʻahaʻa o ka ʻike methoxy, ʻo ke kiʻekiʻe o ka mahana o ka gel.
12. Aia kekahi pilina ma waena o ka pauka putty a me HPMC?
– Pane: he pilina maikaʻi loa ka pauka putty a me ke ʻano o ka calcium, a ʻaʻole pili nui ka HPMC. ʻO ka haʻahaʻa o ka calcium o ka calcium a me ka hapa o CaO, Ca(OH)2 i ka lehu calcium ʻaʻole kūpono, e hoʻoulu ai i ka hāʻule ʻana o ka pauka. Inā pili ia me HPMC, a laila maikaʻi ʻole ka paʻa ʻana o ka wai o HPMC, e hoʻoulu ai hoʻi i ka hāʻule ʻana o ka pauka. No nā kumu kikoʻī, e ʻoluʻolu e nānā i ka nīnau 9
13, he aha ka ʻokoʻa o ka hydroxypropyl methylcellulose wai anu a me ke ʻano wela i ka hana ʻana?
– A: ʻO ke ʻano HPMC wai anu hiki ke hoʻoheheʻe ʻia ma hope o ka mālama ʻana i ka ʻili glyoxal, hoʻokomo ʻia i loko o ka wai anuanu e hoʻopuehu koke ʻia, akā ʻaʻole i hoʻoheheʻe maoli ʻia, piʻi ka mānoanoa, a hoʻoheheʻe ʻia. ʻAʻole i mālama ʻia ka ʻili me ka glyoxal no ke ʻano hiki ke hoʻoheheʻe ʻia me ka wela. Nui ka nui o ka glyoxal, wikiwiki ka hoʻopuehu ʻana, akā lohi ka mānoanoa, liʻiliʻi ka nui, ma ke ʻano ʻē.
14, ʻo ka hydroxypropyl methyl cellulose (HPMC) ke ʻala o ka mea e hana nei?
– Pane: Hana ʻia ka HPMC i hana ʻia e ke ʻano solvent me ka toluene a me ka isopropyl alcohol ma ke ʻano he solvent. Inā ʻaʻole maikaʻi loa ka holoi ʻana, e koe ana kekahi ʻono.
15, nā hoʻohana like ʻole, pehea e koho ai i ka hydroxypropyl methyl cellulose (HPMC) kūpono?
– Pane: ʻO ka hoʻopili ʻana o ka pauka putty: ʻoi aku ka haʻahaʻa o ke koi, ʻo ka viscosity he 100 tausani, maikaʻi ia, ʻo ka mea nui ka mālama ʻana i ka wai. Hoʻopili ʻana o ka mortar: ʻoi aku ke kiʻekiʻe o ke koi, ʻoi aku ka viscosity o ke koi, ʻoi aku ka maikaʻi o 150 tausani. Hoʻopili ʻana o ke kāpili: pono nā huahana koke, viscosity kiʻekiʻe.
16, he aha ka inoa kapakapa hydroxypropyl methylcellulose?
A: Hydroxypropyl Methyl Cellulose, Pelekania: Hydroxypropyl Methyl Cellulose pōkole: HPMC a i ʻole MHPC alias: Hydroxypropyl Methyl Cellulose; Cellulose hydroxypropyl methyl ether; Cellulose Hypromellose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl Methyl ether Hyprolose.
17, HPMC i ka noi ʻana o ka pauka putty, he aha ke kumu o ka pehu pauka putty?
ʻO ka HPMC i ka pauka putty, ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana o ʻekolu mau kuleana. ʻAʻole komo i kekahi hopena. ʻO ke kumu o nā pehu: 1, ua nui loa ka wai i hoʻokomo ʻia. 2, ʻaʻole maloʻo ka lalo, ma luna a ke kahakaha ʻana i kahi papa, maʻalahi hoʻi e pehu.
18. ʻO ke ʻano hana o ka pauka putty no nā paia o loko a me waho?
– Pane: pauka putty kūpaʻa wai no ka paia o loko: 750~ 850KG o ka calcium kaumaha, 150~250KG o ka calcium hina, 4~5KG o ka cellulose ether, a me 1~2KG o ka pauka polyvinyl alcohol; Pauka putty paia o waho: sima keʻokeʻo 350KG, calcium kaumaha 500-550kg, calcium hina 100-150kg, pauka latex 8-12kg, cellulose ether 5KG, olonā lāʻau 3KG.
19. He aha ka ʻokoʻa ma waena oHPMCa meMC?
– ʻO MC no ka methyl cellulose, ʻo ia ka pulupulu i hoʻomaʻemaʻe ʻia ma hope o ka mālama ʻana i ka alkali, me ka methane chloride ma ke ʻano he etherification agent, ma o kahi moʻo o nā hopena a me ka cellulose ether. Ma keʻano laulā, ʻo ke kekelē o ka pani ʻana he 1.6 ~ 2.0, a ʻokoʻa ka solubility me ke kekelē o ka pani ʻana. He cellulose ether non-ionic ia.
(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 fineness o nā ʻāpana a me ka wikiwiki o ka hoʻoheheʻe ʻana. Ma ke ʻano laulā, hoʻohui i ka nui nui, ka fineness liʻiliʻi, ka viscosity, ka nui o ka paʻa wai. I waena o lākou, ʻo ka nui o ka hoʻohui ʻia i ka nui o ka paʻa wai ka hopena nui loa, ʻaʻole kūlike ka viscosity a me ka pae o ka paʻa wai i ka pilina. ʻO ka nui o ka hoʻoheheʻe ʻana e pili nui ana i ke kekelē hoʻololi ʻana o ka ʻili a me ka fineness o nā ʻāpana cellulose. Ma ka cellulose ether ma luna, ʻoi aku ka kiʻekiʻe o ka paʻa wai o ka methyl cellulose a me ka hydroxypropyl methyl cellulose.
(2) Hiki ke hoʻoheheʻe ʻia ka Methyl cellulose i ka wai anuanu, e pilikia ana ka wai wela i hoʻoheheʻe ʻia, ʻo kona hopena wai ma ka pae pH = 3 ~ 12 he paʻa loa. Loaʻa iā ia ka launa maikaʻi me ka starch, guanidine gum a me nā surfactants he nui. Hana ʻia ka Gelation ke hiki ka mahana i ka mahana gelation.
(3) ʻO ka loli o ka mahana e hoʻopilikia nui i ka nui o ka paʻa ʻana o ka wai o ka methyl cellulose. Ma keʻano laulā, ʻo ke kiʻekiʻe o ka mahana, ʻoi aku ka ʻino o ka paʻa ʻana o ka wai. Inā ʻoi aku ka mahana o ka mortar ma mua o 40℃, e ʻoi aku ka ʻino o ka paʻa ʻana o ka wai o ka methyl cellulose, e hoʻopilikia nui ana i ke kūkulu ʻana o ka mortar.
(4) He mana koʻikoʻi ko ka Methyl cellulose i ke kūkulu ʻana a me ka hoʻopili ʻana o ka mortar. Maanei, ʻo ka "hoʻopili" e pili ana i ka ikaika hoʻopili i ʻike ʻia ma waena o ka mea hana noi a ka mea hana a me ka substrate paia, ʻo ia hoʻi, ke kūpaʻa ʻoki o ka mortar. He nui ka waiwai hoʻopili, nui ke kūpaʻa ʻoki o ka mortar, a he nui nō hoʻi ka ikaika e pono ai nā limahana i ke kaʻina hana o ka hoʻohana ʻana, no laila he maikaʻi ʻole ka waiwai kūkulu o ka mortar.
I loko o nā huahana cellulose ether, aia ka pae waena o ka hoʻopili ʻana o ka methyl cellulose. ʻO ka HPMC no ka hydroxypropyl methyl cellulose, i 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 kahi moʻo o nā hopena a hana ʻia me ka non-ionic cellulose i hui pū ʻia me ka ether. ʻO ke kekelē pani maʻamau he 1.2 ~ 2.0. Hoʻopilikia ʻia kona mau waiwai e ka hapa o ka ʻike methoxy a me ka ʻike hydroxypropyl.
(1) ʻO ka hydroxypropyl methyl cellulose e hoʻoheheʻe ʻia i ka wai anuanu, e pilikia ana ka wai wela i hoʻoheheʻe ʻia. Akā ʻoi aku ka kiʻekiʻe o kona mahana 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 mānoanoa o ka hydroxypropyl methyl cellulose i kona kaumaha molekala, a ʻo ke kaumaha molekala nui ka mānoanoa kiʻekiʻe. E hoʻopilikia pū ka mahana i kona mānoanoa, piʻi ka mahana, emi ka mānoanoa. Eia nō naʻe, ʻoi aku ka haʻahaʻa o ka mānoanoa o ka mahana kiʻekiʻe ma mua o ka methyl cellulose. Paʻa ka hopena ke mālama ʻia ma ka mahana o ka lumi.
(3) Paʻa ka hydroxypropyl methyl cellulose i ka waikawa a me ka alkali, a paʻa loa kona hopena wai i ka pae o ka pH = 2 ~ 12. ʻAʻohe hopena nui o ka soda caustic a me ka wai lime i kona mau waiwai, akā hiki i ka alkali ke hoʻolalelale i kona wikiwiki hoʻoheheʻe a hoʻomaikaʻi i ka viscosity o ke pine. Loaʻa i ka Hydroxypropyl methyl cellulose ke kūpaʻa i nā paʻakai maʻamau, akā i ka wā e kiʻekiʻe ai ka nui o ka hopena paʻakai, e piʻi aʻe ka viscosity o ka hopena hydroxypropyl methyl cellulose.
(4) ʻO ka paʻa ʻana o ka wai o ka hydroxypropyl methyl cellulose e pili ana i ka nui o kona hoʻohui ʻia, ka viscosity, a me nā mea ʻē aʻe, ʻoi aku ka nui o ka paʻa ʻana o ka wai ma mua o ka methyl cellulose.
(5) Hiki ke hoʻohuihui ʻia ka hydroxypropyl methyl cellulose me nā hui polymer wai-soluble e lilo i hopena like a kiʻekiʻe aʻe. E like me ka polyvinyl alcohol, starch ether, plant gum a pēlā aku.
(6) ʻOi aku ke kiʻekiʻe o ka hoʻopili ʻana o ka hydroxypropyl methyl cellulose i ke kūkulu ʻana o ka mortar ma mua o ka methyl cellulose.
(7) ʻOi aku ka maikaʻi o ke kūpaʻa enzymatic o ka hydroxypropyl methyl cellulose ma mua o ka methyl cellulose, a ʻoi aku ka haʻahaʻa o ka hiki ke hoʻohaʻahaʻa ʻia ka enzymatic o kāna hopena ma mua o ka methyl cellulose.
20, ka pilina ma waena o ka mānoanoa a me ka mahana o HPMC, kahi mea e pono e hoʻolohe ʻia i ka hoʻohana pono ʻana?
– Pane: ʻO ke ʻano o ka viscosity o HPMC he kūlike ʻole ia me ka mahana, ʻo ia hoʻi, piʻi ka viscosity me ka emi ʻana o ka mahana. Ke kamaʻilio mākou e pili ana i ka viscosity o kahi huahana, ke manaʻo nei mākou i ka hopena o ke ana ʻana i kāna 2% wai hoʻonā ma ka mahana o 20 degere Celsius. Ma ka hoʻohana pono ʻana, ma nā wahi me ka ʻokoʻa nui o ka mahana ma waena o ke kauwela a me ka hoʻoilo, pono e uku ʻia ka nānā ʻana i ka ʻōlelo aʻoaʻo e hoʻohana i ka viscosity haʻahaʻa i ka hoʻoilo, kahi mea kūpono i ke kūkulu ʻana. A i ʻole, i ka wā e haʻahaʻa ai ka mahana, e piʻi aʻe ka viscosity o ka cellulose, i ka wā e ʻoki ai, e kaumaha ka manaʻo. Hoʻohana nui ʻia ka viscosity waena: 75000-100000 no ka putty kumu: paʻa maikaʻi ka wai viscosity kiʻekiʻe: 150000-200000 hoʻohana nui ʻia no nā ʻāpana polystyrene thermal insulation mortar glue powder material a me nā momi aniani thermal insulation mortar. Kumu: viscosity kiʻekiʻe, ʻaʻole maʻalahi ka mortar e hāʻule i ka lehu a kau i ke kahe, hoʻomaikaʻi i ke kūkulu ʻana. Akā ma ke ʻano laulā, ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai, no laila ua noʻonoʻo nā hale hana mortar maloʻo he nui i ke kumukūʻai, me ka cellulose viscosity waena (75,000-100000) e pani i ka cellulose viscosity haʻahaʻa (20,000-40000) e hōʻemi i ka nui o ka hoʻohui.
Ka manawa hoʻouna: ʻApelila-25-2024