ʻO ka viscosity o ka hydroxyethyl cellulose

ʻO ka Hydroxyethyl cellulose (HEC) he polymer nonionic, wai-soluble i hoʻohana nui ʻia e like me ka mānoanoa, stabilizer, a me ka mea hoʻopaʻa i nā ʻano ʻoihana like ʻole, me nā lāʻau lapaʻau, nā mea hoʻonaninani, a me ke kūkulu ʻana. He kuleana koʻikoʻi kona viscosity i ka hoʻoholo ʻana i kāna hana ma kēia mau noi.

Hoʻoholo ʻia ka viscosity o HEC e nā kumu he nui, e komo pū me kona degere o ka hoʻololi ʻana (DS), ke kaumaha molekala, ka ʻike, a me ka pH. ʻO ke kiʻekiʻe o ka hoʻololi ʻana e pili ana i ka helu o nā pūʻulu hydroxyethyl i hoʻohui ʻia i ka mole cellulose, ʻoiai ʻo ke kaumaha mole e pili ana i ka nui o nā kaulahao polymer. Hoʻopili pū ka ʻike ʻana o HEC i ka hopena i kona viscosity, me nā kiʻekiʻe kiʻekiʻe e hopena i nā viscosities kiʻekiʻe. Hiki i ka pH o ka hopena ke loaʻa i ka hopena i ka viscosity, me nā kumu pH kiʻekiʻe e hopena i nā viscosities haʻahaʻa.

Hiki ke ana 'ia ka viscosity o HEC me ka viscometer, e ana i ke ku'e o ka wai e kahe. Hiki ke hoʻohana ʻia nā ʻano viscometers like ʻole, me nā viscometers rotational a me nā viscometers capillary, ma muli o ke noi kikoʻī a me ka laulā viscosity o ka hoihoi.

Ma ka laulā, ʻoi aku ka maikaʻi o ka HEC viscosity kiʻekiʻe i nā noi kahi e koʻikoʻi ai ka mānoanoa a me ka hoʻokūpaʻa ʻana, e like me ka hoʻokumu ʻana i nā lāʻau lapaʻau, nā mea hoʻonaninani, a me nā huahana mālama pilikino. No ka laʻana, hoʻohana pinepine ʻia ka HEC viscosity kiʻekiʻe i nā shampoos a me nā conditioners e hoʻomaikaʻi i ko lākou ʻano a me ka hana, a me nā ʻaila a me nā lotions e hāʻawi i kahi manaʻo ʻoluʻolu a nani.

I ka ʻoihana kūkulu, hoʻohana ʻia ʻo HEC ma ke ʻano he mānoanoa a me ka mea mālama wai i nā huahana sima, e like me nā mortars, grouts, a me ke koki. He mea nui ka viscosity o HEC i kēia mau noi no ka hoʻokō ʻana i ka hana i makemake ʻia, adhesion, a me ke kūlike o ka huahana hope.

Hiki ke hoʻololi ʻia ka viscosity o HEC ma o nā ʻano kemika a me ke kino, me ka crosslinking, acid hydrolysis, a me ka hui ʻana me nā polymers ʻē aʻe. Hiki i kēia mau hoʻololi ke hoʻololi i nā waiwai o HEC a hopena i ka hana i hoʻonui ʻia i nā noi kikoʻī.

I ka hōʻuluʻulu ʻana, ʻo ka viscosity o HEC kahi mea nui i ka hoʻoholo ʻana i kāna hana ma nā noi like ʻole. ʻO ke kiʻekiʻe o ka hoʻololi ʻana, ka paona molekala, ka ʻike ʻana, a me ka pH nā mea āpau i ka hoʻoholo ʻana i kona viscosity, hiki ke ana ʻia me ka viscometer. Hiki i nā ʻoihana like ʻole a me nā noi ke koi i nā pae like ʻole o ka viscosity, a hiki ke hoʻololi i ka HEC e hoʻomaikaʻi i kāna hana ma nā noi kikoʻī.