I tenei ra, ka korero matou ki a koe mo te whakamahinga noa o te hydroxyethyl cellulose i roto i te peita me te paninga.Ko te peita, e kiia ana he paninga i Haina.Ko te mea e kiia nei ko te paninga ka pania ki runga i te mata o te mea hei whakamarumaru, hei whakapaipai ranei, a ka taea te hanga i te kiriata tonu e mau tonu ana ki te mea ka pania.
He aha te hydroxyethyl cellulose?
Ko te Hydroxyethyl cellulose (HEC), he ma, he kowhai marama ranei, he kakara, he kikokore, he paura totoka, he mea hanga ma te whakaeera o te cellulose kawakore me te ethylene oxide (he chlorohydrin ranei), no te puninga Nonionic soluble cellulose ethers.Na te mea he pai nga ahuatanga o te HEC mo te matotoru, te aukati, te whakamarara, te whakaemulsifying, te honohono, te hanga kiriata, te tiaki i te makuku me te whakarato i nga colloids whakamarumaru, kua whakamahia nuitia i roto i te torotoro hinu, te paninga, te hanga, te rongoa me te kai, te kakano, te hanga pepa me te polymers.Polymerization me etahi atu mara.
Ka ahatia ina tutaki te hydroxyethyl cellulose ki te waipeita?
I te mea he surfactant kore-katote, kei a hydroxyethyl cellulose nga ahuatanga e whai ake nei hei taapiri atu ki te whakamatotoru, ki te whakatarewa, ki te here, ki te rewa, ki te hanga kiriata, ki te marara, ki te pupuri wai me te whakarato i nga colloids whakamarumaru:
He wairewa te HEC i roto i te wai wera, i te wai matao ranei, karekau e heke i te pāmahana teitei, te koropuputanga ranei, na te mea he maha nga ahuatanga o te whakarewatanga me nga ahuatanga pokey, tae atu ki te waiariki kore;
Ko te kaha o te pupuri i te wai he rua nga wa o te methyl cellulose, a he pai ake te whakahaere o te rere;
Ka whakatauritea ki te methyl cellulose me te hydroxypropyl methyl cellulose, ko te kaha marara o HEC te mea kino rawa atu, engari ko te kaha o te colloid tiaki te kaha;
Karekau he katote ka taea te noho tahi me te maha atu o nga momo polymers wairewa-wairewa, surfactants, me nga tai.He tino pai rawa atu te whakamaarata colloidal mo nga otinga electrolyte tino kukū.
Me pehea te whakamahi i te hydroxyethyl cellulose?Me pehea te taapiri?
Tāpiri tika i te wa o te whakaputanga – ko tenei tikanga te mea ngawari me te iti ake te wa.
Taapirihia he wai ma ki te ipu kua oti te whakauru ki te miihini kutikuti teitei.Tīmatahia te kōrori i te tere iti ka ata tatari kia taurite te hydroxyethyl cellulose ki roto i te otinga.Whakakorikori tonu kia ruku nga matūriki katoa.Katahi ka taapirihia nga rongoa me nga momo taapiri.Pērā i te poaka, te awhina whakamarara, te wai haukinia, aha atu. Oho kia rewa katoa te hydroxyethyl cellulose (ka tino piki te pokey o te otinga) i mua i te taapiri i etahi atu waahanga ki te tauira hei whakatutuki i te tauhohenga.
Ka mau ki te waipiro whaea.
Ko te whakarite i te waipiro whaea me te kukū teitei i te tuatahi, katahi ka taapiri atu ki te hua.Ko te painga o tenei tikanga he nui ake te ngawari, ka taea te taapiri tika ki te hua kua oti, engari me penapena tika.He rite nga hikoinga o tenei tikanga ki te nuinga o nga hikoinga i te Tikanga 1;ko te rerekee karekau he hiahia mo te kutikuti kutikuti teitei, ka taea anake te whakamahi i etahi kaitakawaenga he nui te kaha ki te pupuri i te hydroxyethyl cellulose e marara ana i roto i te otinga, me te whakaoho tonu kia rewa katoa ki roto i te wairewa viscous.Engari, me tohu ko te rongoa antifungal me whakauru wawe ki te waipiro whaea.
I te mea he paura, he totoka kiko ranei te hydroxyethyl cellulose kua tukinotia ki te mata, ka whakamahara a Shandong Heda ki a koe ki te aro ki nga mea e whai ake nei i te wa e whakareri ana koe i te waipiro whaea hydroxyethyl cellulose:
(1) I mua, i muri i te taapiri i te hydroxyethyl cellulose, me whakaoho tonu kia tino marama, kia marama te otinga.
(2) Me ata tatari ki roto i te oko whakaranu, kaua hoki e hono tika i te hydroxyethyl cellulose me te hydroxyethyl cellulose ki roto i te ipu whakaranu i roto i nga rahinga nui, i te ahua o nga kapia me nga poi.
(3) Ko te pāmahana wai me te uara pH o te wai he tino hononga ki te whakakorenga o te hydroxyethyl cellulose, no reira me aro nui ki a ia.
(4) Kaua rawa e taapiri etahi matū kawakore ki te ranunga i mua i te rukutanga o te paura hydroxyethyl cellulose ki te wai.Ko te whakanui ake i te pH i muri i te makuku ka awhina i te whakakorenga.
(5) I te mea ka taea, taapirihia he kaihoko antifungal i mua.
(6) I te wa e whakamahi ana i te hydroxyethyl cellulose teitei-nui, ko te kukū o te waipiro whaea kia kaua e teitei ake i te 2.5-3% (ma te taumaha), mena he uaua ki te hapai i te waipiro whaea.
Te wa tuku: Noema-03-2022