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He aha ka hydroxypropyl methyl cellulose?

Hydroxypropyl methyl cellulose (HPMC), iʻikeʻia hoʻi he hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, cellulose, 2-hydroxypropylmethyl ether, PROPYLENE GLYCOL ETHER OF METHYLCELLULOSE, CAS No. 9004-65-3, i hanaʻia mai ka cellulose pulupulu maʻemaʻe loa ma o ka etherification kūikawā ma lalo o ka alkaline. Hiki ke hoʻokaʻawale ʻia ka HPMC i ka papa hale, ka papa meaʻai a me ka papa lāʻau lapaʻau e like me kona hoʻohana ʻana. Hoʻohana nui ʻia ia i ke kūkulu ʻana, nā meaʻai, nā lāʻau lapaʻau a me nā mea hoʻonaninani, nā kemika i kēlā me kēia lā a me nā ʻoihana ʻē aʻe.

He aha nā hoʻohana o HPMC?

ʻOihana kūkulu hale

1. ʻO ka pā pōhaku
ʻO ka hoʻoikaika ʻana i ka pili ʻana i ka ʻili masonry hiki ke hoʻonui i ka paʻa ʻana o ka wai, e hoʻomaikaʻi ai i ka ikaika o ka mortar, a me ka hoʻomaikaʻi ʻana i ka lubricity a me ka plasticity e kōkua i ka hana hana. Mālama ka hana maʻalahi i ka manawa a hoʻomaikaʻi i ka maikaʻi o ke kumukūʻai.
2. Nā huahana Gypsum
Hiki iā ia ke hoʻolōʻihi i ka manawa hana o ka mortar a hana i ka ikaika mechanical kiʻekiʻe i ka wā paʻa. Hoʻokumu ʻia ka uhi ʻili kiʻekiʻe ma o ka hoʻomalu ʻana i ke kūlike o ka mortar.
3. Ka pena wai a me ka mea wehe pena
Hiki iā ia ke hoʻolōʻihi i ke ola o ka papa ma ka pale ʻana i ka ua paʻa, a loaʻa iā ia ka hoʻohālikelike maikaʻi a me ke kūpaʻa olaola kiʻekiʻe. He wikiwiki kona hoʻoheheʻe ʻana a ʻaʻole maʻalahi e agglomerate, he mea kōkua ia e hoʻomaʻamaʻa i ke kaʻina hui. E hana i nā hiʻohiʻona kahe maikaʻi, e pili ana i ka spatter haʻahaʻa a me ka pae maikaʻi, e hōʻoia i ka hoʻopau maikaʻi ʻana o ka ʻili, a pale i ka hāʻule ʻana o ka pena. E hoʻonui i ka viscosity o ka mea hoʻoneʻe pena ma ka wai a me ka mea hoʻoheheʻe kalakala kala, i ʻole e kahe ka mea hoʻoneʻe pena mai ka ʻili o ka mea hana.
4. Hoʻopili i ka tile keramika
He mea maʻalahi ka hoʻohui ʻana i nā mea hoʻohui maloʻo a ʻaʻole e hōʻuluʻulu, e mālama ana i ka manawa hana no ka mea ua hoʻohana wikiwiki ʻia a ʻoi aku ka maikaʻi, hoʻomaikaʻi i ke kaʻina hana a hoʻemi i nā kumukūʻai. E hoʻomaikaʻi i ka pono o ka tile a hāʻawi i ka hoʻopili maikaʻi ʻana ma o ka hoʻonui ʻana i ka manawa hoʻomaha.
5. Nā mea papahele hoʻonanea ponoʻī
Hāʻawi ia i ka viscosity a hiki ke hoʻohana ʻia ma ke ʻano he anti settling additive e kōkua i ka hoʻomaikaʻi ʻana i ka pono o ka papahele. ʻO ka mālama ʻana i ka wai e hoʻemi nui i nā māwae a me ka emi ʻana.
6. Iecaianoaaiiuo o ka i hoʻokumu 'ia papa
Hoʻonui ia i ke kaʻina hana o nā huahana extruded, loaʻa ka ikaika paʻa kiʻekiʻe a me ka lubricity, a hoʻomaikaʻi i ka ikaika pulu a me ka hoʻopili ʻana o nā lau extruded.
7. Pāpā hui hoʻopiha
ʻO ka Hydroxypropyl methyl cellulose ka paʻa wai maikaʻi loa, hiki ke hoʻonui i ka manawa hoʻomaha, a ʻoi aku ka maikaʻi o ka lubricity i ka noi. Hoʻomaikaʻi maikaʻi ʻo ia i ka maikaʻi o ka ʻili, hāʻawi i ka maʻalahi a me ke ʻano like ʻole, a paʻa i ka ʻili pili.
8. ʻO ka gypsum ma muli o ka sima
Loaʻa iā ia ka paʻa wai kiʻekiʻe, hoʻolōʻihi i ka manawa hana o ka mortar, a hiki nō hoʻi ke hoʻomalu i ke komo ʻana o ka ea, pēlā e hoʻopau ai i nā māwae micro o ka uhi ʻana a hana i kahi maʻalahi.

ʻOihana meaʻai

1. Canned citrus: e pale i ka whitening a me ka deterioration ma muli o ka decomposition o citrus glycosides i ka wā e mālama ai, i mea e loaʻa ai ka hopena mālama hou.
2. Nā huaʻai anu: hoʻohui ʻia i ka wai huaʻai a me ka hau e ʻoi aku ka maikaʻi o ka ʻono.
3. Sauce: hoʻohana ʻia e like me ka emulsion stabilizer a i ʻole ka mānoanoa o ka mila a me ka paʻi tōmato.
4. ʻO ka uhi wai anuanu a me ka poli: hoʻohana ʻia no ka mālama ʻana i nā iʻa paʻa e pale ai i ka discoloration a me ka hōʻino maikaʻi. Ma hope o ka uhi ʻana a me ka hoʻoliʻiliʻi ʻana me ka methyl cellulose a i ʻole hydroxypropyl methyl cellulose solution aqueous, maloʻo ma ka papa hau.
5. Hoʻopili no nā papa: E like me ka hoʻoheheʻe ʻana no nā papa a me nā granules, loaʻa iā ia ka "holo like" maikaʻi (ka wikiwiki wikiwiki, hāʻule a hoʻopuehu i ka wā e lawe ai).

ʻoihana lāʻau lapaʻau

1. Encapsulation: Hoʻohana ʻia ka mea hoʻopili i ka hopena o ka solvent organik a i ʻole ka wai wai no ka hoʻokele papa, ʻoi aku ka nui o ka encapsulation o nā ʻāpana i hoʻomākaukau ʻia.
2. Ka mea hoʻomaha: 2-3 grams i ka lā, 1-2G i kēlā me kēia manawa, no nā lā 4-5.
3. Laau Ophthalmic: No ka mea, ua like ke kaomi osmotic o ka methyl cellulose aqueous solution me ka waimaka, ua emi ka hoonaukiuki i na maka. Hoʻohui ʻia i loko o ka lāʻau ophthalmic ma ke ʻano he lubricant no ka hoʻopili ʻana me ka leki maka.
4. Jelly: Hoʻohana ʻia ia e like me ke kumu kumu o ka jelly e like me ka lāʻau lapaʻau waho a i ʻole ka ʻaila.
5. Impregnating agent: hoʻohana ʻia e like me ka mānoanoa a me ka mea mālama wai.

ʻoihana hoʻonaninani

1. Shampoo: E hoʻomaikaʻi i ka viscosity a me ka paʻa o ka pahu o ka shampoo, ka mea holoi holoi a me ka mea holoi.
2. Toothpaste: hoʻomaikaʻi i ka wai o ka toothpaste.

ʻOihana Kiln

1. Mea uila: e like me ka paʻi paʻi ʻana o ka ceramic electric compactor a me ferrite bauxite magnet, hiki ke hoʻohana pū ʻia me 1.2-propanediol.
2. ʻO ka lāʻau lapaʻau Glaze: hoʻohana ʻia e like me ka lāʻau lapaʻau o nā ceramics a me ka hui pū ʻana me ka pena enamel, hiki ke hoʻomaikaʻi i ka hoʻopaʻa ʻana a me ka hana.
3. ʻO ka momi refractory: Hiki ke hoʻohui ʻia i ka mortar brick refractory a i ʻole nā ​​mea umu ahi e hoʻomaikaʻi ai i ka plasticity a me ka paʻa ʻana o ka wai.

ʻO nā ʻoihana ʻē aʻe

Hoʻohana nui ʻia ka HPMC i ka resin synthetic, petrochemical, ceramics, hana pepa, ʻili, wai-wai, paka a me nā ʻoihana ʻē aʻe. Hoʻohana ʻia ia e like me ka thickener, dispersant, binder, emulsifier a me ka stabilizer i ka ʻoihana textile.

Pehea e ʻike maka ai i ka maikaʻi o ka hydroxypropyl methyl cellulose (HPMC)?

1. Chromaticity: ʻoiai ʻaʻole hiki iā ia ke hoʻomaopopo pololei inā he maʻalahi ka HPMC e hoʻohana, a inā hoʻohui ʻia ka mea keokeo i ka hana ʻana, e hoʻopilikia ʻia kona ʻano. Eia naʻe, e kūʻai ʻia ana nā huahana kiʻekiʻe.
2. Fineness: HPMC he 80 meshes a me 100 meshes ma ka laulā, a me 120 meshes emi. ʻO ka hapa nui o nā HPMC he 80 meshes. Ma ka ʻōlelo maʻamau, ʻoi aku ka maikaʻi o ka offside fineness.
3. Ka hoʻouna māmā: kau i ka hydroxypropyl methyl cellulose (HPMC) i loko o ka wai e hana i kahi colloid alohilohi, a laila e ʻike i kona hoʻouna māmā. ʻOi aku ka nui o ka māmā māmā, ʻoi aku ka maikaʻi, e hōʻike ana he liʻiliʻi ka mea hiki ʻole ke hoʻoheheʻe ʻia i loko.
4. Kaumaha kikoʻī: ʻO ka ʻoi aku ka nui o ke kaumaha kikoʻī, ʻoi aku ka maikaʻi. He mea ko'iko'i ka lakio, no ka mea he ki'eki'e ka ma'i o ka hydroxypropyl. Inā kiʻekiʻe ka ʻike o ka hydroxypropyl, ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai.
ʻO ka Hydroxypropyl methyl cellulose ka paʻa i nā waikawa a me nā kumu, a paʻa loa kona ʻano wai i ka pae o ka pH = 2 ~ 12. He mea hana loea mākou. Inā makemake ʻoe i kēia huahana, hiki iā ʻoe ke hoʻokaʻaʻike mai iā mākou. ʻO ia wale nō no ke kaʻana like ʻana o HPMC i kēia pukana. Manaʻo wau e hiki ke kōkua iā ʻoe e hoʻomaopopo i ka HPMC.