Kodi hydroxyethyl cellulose ndi chiyani?

Hydroxyethyl cellulose (HEC) ndi polima yosungunuka m'madzi yomwe imachokera ku cellulose, polysaccharide yopezeka mwachilengedwe yomwe imapezeka muzomera. HEC imapangidwa kudzera pakusintha kwa cellulose ndikuwonjezera magulu a hydroxyethyl, omwe amamangiriridwa ku mayunitsi a shuga a molekyulu ya cellulose. Kusintha kumeneku kumasintha mawonekedwe a cellulose ndikupangitsa kuti ikhale yothandiza pazinthu zosiyanasiyana, monga m'makampani azakudya, zodzoladzola, ndi zamankhwala.

HEC ndi polima yosunthika kwambiri, yokhala ndi zolemera zamamolekyulu osiyanasiyana ndi madigiri olowa m'malo, omwe amatsimikizira zinthu zake, monga kusungunuka kwake, kukhuthala kwake, ndi gelation. Mlingo wolowa m'malo ndi muyeso wa kuchuluka kwa magulu a hydroxyethyl ophatikizidwa pagawo lililonse la shuga la cellulose molekyulu, ndipo imatha kuyambira 1 mpaka 3, ndi madigiri apamwamba akuwonetsa kuchuluka kwamagulu a hydroxyethyl.

HEC imagwiritsidwa ntchito pazinthu zosiyanasiyana monga thickener, stabilizer, ndi binder. Angagwiritsidwe ntchito kuonjezera mamasukidwe akayendedwe a madzi formulations, kusintha kapangidwe ndi mouthfeel wa zakudya, ndi kumapangitsanso bata la emulsions. M'makampani opanga mankhwala, HEC imagwiritsidwa ntchito ngati chomangira pamapiritsi, monga thickener kwa mapangidwe apamutu, komanso ngati wothandizira kumasulidwa kwa machitidwe operekera mankhwala.

Chimodzi mwazinthu zofunika kwambiri za HEC ndikutha kupanga ma gels m'madzi. HEC ikasungunuka m'madzi, imatha kupanga gel osakaniza kudzera munjira yotchedwa hydration. Njira ya gelation imadalira kuchuluka kwa kulowetsedwa, kulemera kwa maselo, ndi kuchuluka kwa HEC mu yankho. Njira ya gelation ya HEC ikhoza kuwongoleredwa mwa kusintha kwa magawowa, zomwe zimapangitsa kuti zikhale zothandiza pazinthu zosiyanasiyana.

HEC imagwiritsidwa ntchito kwambiri m'makampani azakudya monga chowonjezera komanso chokhazikika muzinthu monga sosi, mavalidwe, ndi supu. Itha kuwongolera kapangidwe kazinthu izi komanso kumveka kwapakamwa, ndikuwonjezera kukhazikika kwawo pakapita nthawi. HEC ingagwiritsidwenso ntchito kulimbitsa emulsions, monga mayonesi, poletsa kulekanitsa zigawo za mafuta ndi madzi.

M'makampani opanga zodzoladzola, HEC imagwiritsidwa ntchito pazinthu zosiyanasiyana zosamalira anthu, kuphatikizapo shampoos, zodzoladzola, mafuta odzola, ndi zonona. HEC imatha kusintha mawonekedwe ndi kusasinthika kwazinthuzi, kumapangitsanso kunyowa kwawo, ndikupereka mawonekedwe osalala, owoneka bwino. Ikhozanso kukhazikika emulsions muzodzoladzola zodzoladzola ndikuthandizira kupewa kulekana kwa zigawo za mafuta ndi madzi.

M'makampani opanga mankhwala, HEC imagwiritsidwa ntchito ngati chomangira pamapiritsi kuti zitsimikizidwe kuti zosakaniza za piritsi zimakhalabe zopanikizidwa palimodzi. Amagwiritsidwanso ntchito ngati thickener kwa formulations apakhungu, kumene kumapangitsanso mamasukidwe akayendedwe ndi bata la zonona ndi mafuta. Kuonjezera apo, HEC imagwiritsidwa ntchito ngati wothandizira wokhazikika m'machitidwe operekera mankhwala osokoneza bongo, komwe amatha kulamulira mlingo umene mankhwala amatulutsidwa m'thupi.

HEC ili ndi zinthu zingapo zapadera zomwe zimapangitsa kuti ikhale yothandiza polima pamagwiritsidwe osiyanasiyana. Zina mwazinthuzi ndi izi:

Kusungunuka kwamadzi: HEC imasungunuka kwambiri m'madzi, zomwe zimapangitsa kuti zikhale zosavuta kuziphatikiza m'madzi opangira madzi.

Zopanda poizoni komanso zogwirizana ndi biocompatible: HEC nthawi zambiri imatengedwa kuti ndi yotetezeka komanso yogwirizana ndi biocompatible, zomwe zimapangitsa kuti zikhale zothandiza pazamankhwala ndi zodzoladzola.

Zosiyanasiyana: HEC ndi polima yosunthika kwambiri yomwe ingagwiritsidwe ntchito pazinthu zosiyanasiyana chifukwa cha kuthekera kwake kupanga ma gels ndikusintha magawo osiyanasiyana olowa m'malo ndi masikelo a mamolekyulu.

Pomaliza, hydroxyethyl cellulose ndi polima wosungunuka m'madzi womwe umachokera ku cellulose kudzera pakuwonjezera magulu a hydroxyethyl.