ʻO ka Hydroxyethyl cellulose (HEC) he melemele keʻokeʻo a māmā paha, ʻaʻala ʻole, ʻaʻohe mea ʻawaʻawa a i ʻole ka pauka paʻa i hoʻomākaukau ʻia e ka etherification o ka cellulose alkaline a me ka ethylene oxide (a i ʻole chlorohydrin). Nonionic soluble cellulose ethers. No ka mea he mau waiwai maikaʻi ʻo HEC e like me ka mānoanoa, hoʻokuʻu, hoʻopuehu, emulsifying, hoʻopaʻa ʻana, hana kiʻiʻoniʻoni, pale i ka wai a me ka hāʻawi ʻana i nā colloids pale, ua hoʻohana nui ʻia i ka mālama ʻili, ka ʻimi ʻaila, nā uhi, ke kūkulu ʻana, ka lāʻau lapaʻau a me ka meaʻai, textiles, ka hana pepa a me ka polymers. Polymerization a me nā kahua ʻē aʻe. 40 mesh sieving rate ≥ 99%;
ʻAno ʻano: keʻokeʻo a ʻulaʻula melemele fibrous a pauda paʻa, ʻaʻohe mea ʻawaʻawa, ʻala ʻole, hiki ke hoʻoheheʻe ʻia i ka wai. ʻAʻole hiki ke hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe organik.
Hydroxyethyl cellulose
Ma ka laulā o ka waiwai PH o 2-12, liʻiliʻi ka hoʻololi viscosity, akā emi ka viscosity ma mua o kēia pae. Loaʻa iā ia nā waiwai o ka mānoanoa, hoʻopaneʻe, hoʻopaʻa ʻana, emulsifying, dispersing, mālama i ka wai a me ka pale ʻana i ka colloid. Hiki ke hoʻomākaukau ʻia nā hoʻonā o nā pae viscosity like ʻole. ʻAʻole paʻa ia ma lalo o ka mahana a me ke kaomi maʻamau, e pale aku i ka haʻahaʻa, ka wela a me ka wela kiʻekiʻe, a maikaʻi loa ka paʻakai paʻakai no nā dielectrics, a ua ʻae ʻia kāna ʻano wai e loaʻa i nā paʻakai kiʻekiʻe a paʻa.
Nā waiwai koʻikoʻi: Ma ke ʻano he surfactant non-ionic, hydroxyethyl cellulose nā waiwai aʻe ma mua o ka mānoanoa, hoʻopaneʻe, hoʻopaʻa ʻana, hoʻokuʻu, hana kiʻiʻoniʻoni, hoʻopuehu, paʻa wai a hāʻawi i nā colloids pale:
1. He mea hiki ke hoʻoheheʻe ʻia ka HEC i ka wai wela a i ʻole ka wai anuanu, ʻaʻole e hoʻoheheʻe ʻia i ka wela kiʻekiʻe a i ʻole ka paila ʻana, e hana ana i kahi ākea o ka solubility a me nā ʻano viscosity, a me ka gelation non-thermal;
2. ʻAʻole ionic a hiki ke noho pū me ka nui o nā polymers hiki ke hoʻoheheʻe ʻia i ka wai, surfactants a me nā paʻakai, a he mea hoʻonaninani colloidal maikaʻi loa i loaʻa nā hopena electrolyte kiʻekiʻe;
3. ʻO ka paʻa wai paʻa ʻelua ʻoi aku ka nui o ka methyl cellulose, a ʻoi aku ka maikaʻi o ka hoʻoponopono kahe ʻana.
4. Ke hoʻohālikelikeʻia me ka methyl cellulose iʻikeʻia a me ka hydroxypropyl methyl cellulose,ʻo ka hiki ke hoʻopuehu o HEC ka meaʻoi loa, akāʻo ka colloid pale ka ikaika loa.
ʻO ka pelu ʻia o ka wahi noi
Hoʻohana ʻia e like me ka mea hoʻopili, surfactant, colloid protection agent, dispersant, emulsifier a me dispersion stabilizer. Loaʻa iā ia ka nui o nā noi i nā uhi, nā inika, nā fibers, ka pena, ka hana pepa, nā mea hoʻonaninani, nā pesticides, ka hoʻoili mineral, ka ʻaila ʻaila a me ka lāʻau lapaʻau.
1. Hoʻohana maʻamau e like me ka mea mānoanoa, mea pale pale, adhesive, stabilizer a me nā mea hoʻohui no ka hoʻomākaukau ʻana i ka emulsion, gel, ʻaila, lotion, ka mea hoʻomaʻemaʻe maka, suppository a me ka papa, hoʻohana ʻia hoʻi e like me ka hydrophilic gel, nā mea iwi, ka hoʻomākaukau ʻana i ka hoʻomākaukau hoʻokuʻu ʻana i ka iwi. , a hiki ke hoʻohana ʻia ma ke ʻano he stabilizer i ka meaʻai.
2. Hoʻohana ʻia ʻo ia ma ke ʻano he mea nui ma ka ʻoihana textile, ka hoʻopaʻa ʻana, ka mānoanoa, emulsifying, stabilizing a me nā mea kōkua ʻē aʻe i nā ʻoihana uila a me nā ʻoihana māmā.
3. Hoʻohana ʻia e like me ka mānoanoa a me ka hoʻohaʻahaʻa kānana no ka wai hoʻoheheʻe wai a me ka wai hoʻopau, a loaʻa ka hopena mānoanoa i loko o ka wai wili wai paʻakai. Hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻomalu poho wai no ka luawai ʻaila sima. Hiki ke hoʻopili ʻia me nā ion metala polyvalent e hana i nā gels.
4. Hoʻohana ʻia kēia huahana ma ke ʻano he dispersant no ka wai-wai-wai gel fracturing wai, polystyrene a me ka polyvinyl chloride i ka hana ʻaila ʻaila. Hiki ke hoʻohana ʻia e like me ka emulsion mānoanoa i loko o ka ʻoihana pena, ka resistor sensitive humidity i ka ʻoihana uila, ka mea hoʻopaʻapaʻa coagulation sima a me ka mea mālama mau i ka ʻoihana kūkulu. ʻO nā mea hoʻopili aniani a me nā niho niho no ka ʻoihana keramika. Hoʻohana nui ʻia ia i ka paʻi ʻana a me ke kala, textile, papermaking, lāʻau lapaʻau, hoʻomaʻemaʻe, meaʻai, cigakeke, pesticides a me nā mea kinai ahi.
5. Hoʻohana ʻia e like me ka surfactant, colloid protective agent, emulsion stabilizer no ka vinyl chloride, vinyl acetate a me nā emulsions ʻē aʻe, a me ka latex tackifier, dispersant, dispersion stabilizer, etc. pesticides, etc. He nui nō hoʻi kona hoʻohana ʻana i ka ʻaila ʻaila a me ka ʻoihana mīkini.
6. ʻO ka hydroxyethyl cellulose ka hana ili, ka mānoanoa, ka hoʻopaneʻe ʻana, ka hoʻopaʻa ʻana, ka emulsifying, ka hana kiʻiʻoniʻoni, ka hoʻopuehu ʻana, ka paʻa ʻana o ka wai a me ka hoʻolako ʻana i ka pale i ka lāʻau paʻa a me ka hoʻomākaukau wai.
7. Hoʻohana ʻia ʻo ia ma ke ʻano he dispersant no ka hoʻohana ʻana i ka wai ʻaila wai-based gel fracturing fluid, polyvinyl chloride a me ka polystyrene. Hiki ke hoʻohana ʻia e like me ka emulsion mānoanoa i ka ʻoihana pena, ka mea hoʻopaʻapaʻa coagulation sima a me ka mea hoʻopaʻa paʻa ʻana i ka wai i ka ʻoihana kūkulu, ka mea aniani a me ka toothpaste adhesive i ka ʻoihana seramika. Hoʻohana nui ʻia ia i ka paʻi ʻana a me ke kala, textile, papermaking, lāʻau lapaʻau, hoʻomaʻemaʻe, meaʻai, cigakeke a me nā pesticides a me nā ʻoihana ʻoihana ʻē aʻe.
ʻO ka hoʻokō ʻana o ka huahana
1. He mea hiki ke hoʻoheheʻe ʻia ka HEC i ka wai wela a i ʻole ka wai anuanu, a ʻaʻole e hoʻoheheʻe ʻia i ka wela kiʻekiʻe a i ʻole ka paila, i loaʻa iā ia kahi ākea o ka solubility a me nā ʻano viscosity, a me ka gelation non-thermal;
2. Hiki i ka non-ionic pono'ī ke noho pū me ka nui o nā polymers hiki ke hoʻoheheʻe ʻia i ka wai, surfactants a me nā paʻakai, a he mea hoʻonaninani colloidal maikaʻi loa i loaʻa nā hopena dielectric kiʻekiʻe;
3. ʻO ka paʻa wai paʻa ʻelua ʻoi aku ka kiʻekiʻe ma mua o ka methyl cellulose, a ʻoi aku ka maikaʻi o ka hoʻoponopono kahe ʻana;
4. Ke hoʻohālikelikeʻia me ka methyl cellulose iʻikeʻia a me ka hydroxypropyl methyl cellulose,ʻo ka hiki ke hoʻopuehu o HEC ka meaʻoi loa, akāʻo ka colloid pale ka ikaika loa.
Pehea e pelu ai
E hui pololei i ka hana
1. E hoʻohui i ka wai maʻemaʻe i loko o kahi bākeke nui i hoʻolako ʻia me ka mea hui pū kiʻekiʻe.
2. E hoʻomaka i ka hoʻoulu ʻana me ka māmā haʻahaʻa a e kānana mālie i ka hydroxyethyl cellulose i loko o ka hopena.
3. E hoʻomau i ka hoʻoulu ʻana a hiki i ka pau ʻana o nā ʻāpana āpau.
4. A laila e hoʻohui i ka antifungal agent, alkaline additives e like me ka puaʻa, nā mea hoʻopuehu, ka wai amonia.
5. E hoʻoulu a hiki i ka pau ʻana o ka hydroxyethyl cellulose (e piʻi nui ka viscosity o ka hopena) ma mua o ka hoʻohui ʻana i nā mea ʻē aʻe i loko o ke ʻano, a wili a hiki i ka huahana i pau.
ʻO ke kuleana o ka hydroxyethyl cellulose i loko o ka hana kemika o nā mea hoʻonaninani? Hoʻokaʻawale ʻia nā pūhui polymer wai i hoʻohana ʻia i nā mea hoʻonaninani i ʻelua mau ʻāpana: kūlohelohe a me ka synthetic.
ʻO nā pūhui polymer hiki ke hoʻoheheʻe ʻia i ka wai maʻamau: starch, mea kanu, gelatin holoholona, etc.
ʻO nā pūhui polymer hiki ke hoʻoheheʻe ʻia i ka wai me ka polyvinyl alcohol, polyvinylpyrrolidone, a me nā mea ʻē aʻe, he mau waiwai paʻa, haʻahaʻa ka ʻili a me ke kumu kūʻai haʻahaʻa, no laila ua hoʻololi lākou i nā pūhui polymer hiki ke hoʻoheheʻe ʻia i ka wai a lilo i kumu nui o nā mea waiwai colloid.
Hoʻokaʻawale hou ʻia i nā pūhui polymer semi-synthetic a me ka wai-soluble polymer.
Hoʻohana pinepine ʻia nā pūhui polymer semi-synthetic wai-soluble: methyl cellulose, ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, a me ka guar gum a me nā mea i loaʻa.
Hoʻohana mau ʻia nā pūhui polymer hiki ke hoʻoheheʻe ʻia i ka wai: polyvinyl alcohol, polyvinylpyrrolidone, acrylic acid polymer, etc.
Hoʻohana ʻia kēia i nā mea hoʻonaninani e like me nā adhesives, thickeners, film formers, a me emulsion stabilizers.
Ka manawa hoʻouna: Nov-11-2022