Nā ʻokoʻa o ka hydroxypropyl methylcellulose HPMC a me ka hydroxyethyl cellulose HEC

Aia nā monosodium glutamate ʻoihana, carboxymethyl cellulose, hydroxypropyl methyl cellulose, a mehydroxyethyl cellulose, ʻo ia nā mea i hoʻohana nui ʻia. Ma waena o nā ʻano cellulose ʻekolu, ʻo ka mea paʻakikī loa e hoʻokaʻawale ʻo ia ka hydroxypropyl methylcellulose a me ka hydroxyethyl cellulose. E hoʻokaʻawale kākou i kēia mau ʻano cellulose ʻelua ma o kā lākou hoʻohana a me nā hana.

Ma ke ʻano he surfactant non-ionic, loaʻa i ka hydroxyethyl cellulose nā waiwai aʻe ma waho aʻe o ke kau ʻana, ka mānoanoa, ka hoʻopuehu ʻana, ka flotation, ka hoʻopaʻa ʻana, ka hana ʻana i ka kiʻiʻoniʻoni, ka paʻa ʻana o ka wai a me ka hāʻawi ʻana i nā colloids pale:

1. ʻO HEC ponoʻī he non-ionic a hiki ke noho pū me nā ʻano polymers ʻē aʻe e hiki ke hoʻoheheʻe ʻia i ka wai, nā surfactants, a me nā paʻakai. He mea hoʻomānoanoa colloidal maikaʻi loa ia e loaʻa ana nā hopena electrolyte kiʻekiʻe.

2. Ke hoʻohālikelike ʻia me ka methyl cellulose i ʻike ʻia a me ka hydroxypropyl methyl cellulose, ʻo ka hiki ke hoʻopuehu ʻia o HEC ka mea ʻino loa, akā ʻo ka colloid pale ka mea ikaika loa.

3. ʻOi aku ka nui o ka hiki ke mālama i ka wai ma mua o ka methyl cellulose, a ʻoi aku ka maikaʻi o ka hoʻoponopono ʻana i ke kahe ʻana.

4. Hiki ke hoʻoheheʻe ʻia ʻo HEC i ka wai wela a anuanu paha, a ʻaʻole ia e hoʻopūʻiwa i ka mahana kiʻekiʻe a i ʻole ka paila ʻana, no laila he ākea kona ʻano solubility a me ka viscosity, a me ka gelation non-thermal.

Hoʻohana ʻia ka hoʻohana ʻana o HEC: hoʻohana nui ʻia e like me ka mea hoʻomānoanoa, mea pale, mea hoʻopili, mea hoʻopaʻa a me ka hoʻomākaukau ʻana i ka emulsion, jelly, poni, lotion, a me ka hoʻomaʻemaʻe maka.

Hoʻolauna noi Hydroxypropyl methylcellulose (HPMC):

1. ʻOihana uhi: ma ke ʻano he mea hoʻomānoanoa, hoʻolaha a me ka mea hoʻopaʻa i ka ʻoihana uhi, he kūpono maikaʻi ia i ka wai a i ʻole nā ​​​​mea hoʻoheheʻe organik. ma ke ʻano he mea wehe pena.

2. Hana ʻana i ka seramika: hoʻohana nui ʻia e like me ka mea hoʻopaʻa i ka hana ʻana i nā huahana seramika.

3. Nā mea ʻē aʻe: Hoʻohana nui ʻia kēia huahana i ka ʻili, ka ʻoihana huahana pepa, ka mālama ʻana i nā huaʻai a me nā mea kanu a me ka ʻoihana lole, a pēlā aku.

4. Ka paʻi ʻana i ka ʻīnika: ma ke ʻano he mea hoʻomānoanoa, hoʻolaha a me ka mea hoʻopaʻa i ka ʻoihana ʻīnika, he kūpono maikaʻi ia i ka wai a i ʻole nā ​​​​mea hoʻoheheʻe organik.

5. Palakiko: hoʻohana ʻia ma ke ʻano he mea hoʻokuʻu ʻōpala, palupalu, lubricant, a pēlā aku.

6. Polyvinyl chloride: Hoʻohana ʻia ia ma ke ʻano he mea hoʻolaha i ka hana ʻana o ka polyvinyl chloride, a ʻo ia ka mea kōkua nui no ka hoʻomākaukau ʻana o PVC ma o ka polymerization suspension.

7. ʻOihana kūkulu hale: Ma ke ʻano he mea hoʻopaʻa wai a me ka mea hoʻopaneʻe no ka slurry one sima, hiki ke hoʻoulu i ka slurry one. Hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa i ka plastering paste, gypsum, putty powder a i ʻole nā ​​​​mea hale ʻē aʻe e hoʻomaikaʻi i ka laha a hoʻolōʻihi i ka manawa hana. Hoʻohana ʻia ia ma ke ʻano he paste no nā tile keramika, ke kinikini, nā mea hoʻonaninani plastik, ma ke ʻano he mea hoʻonui paste, a hiki nō hoʻi ke hōʻemi i ka nui o ka sima. ʻO ka paʻa ʻana o ka wai o HPMC hiki ke pale i ka slurry mai ka haki ʻana ma muli o ka maloʻo wikiwiki ma hope o ka hoʻopili ʻana, a hoʻonui i ka ikaika ma hope o ka paʻakikī.


Ka manawa hoʻouna: ʻOkakopa-20-2022