Hydroxyethyl cellulose

Ko te Hydroxyethyl cellulose (HEC) he ma, he kowhai marama ranei, he hongi, he kirikiri, he paura totoka kore-paitini kua oti te whakarite ma te whakaeera o te cellulose kawakore me te ethylene oxide (te chlorohydrin ranei). Ko nga etera cellulose wairewa nonionic. 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. Ko te Hydroxyethyl cellulose he kore iu i te pāmahana me te pehanga noa, ka karo i te haumākū, te wera me te pāmahana teitei, a he tino pai te tote wairewa mo nga dielectrics. Ko tana wairewa wai ka whakaaetia kia mau nga tote teitei me te pumau.

Tohutohu
Whakauru tika ki te hanga

1. Taapirihia he wai ma ki roto i te peere nui e mau ana ki te miihini kutikuti teitei.

2. Tīmatahia te kōrori i te tere iti, ka tatari kia ata rite te waikura hydroxyethyl cellulose ki roto i te otinga.

3. Whakakorikori tonu kia ruku nga matūriki katoa.

4. Kātahi ka tāpirihia ngā āpiha antifungal, ngā tāpiritanga kawakore pērā i te poaka, te awhina whakamarara, te wai haukini.

5. 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 roto i te tauira, ka huri kia oti ra ano te hua.

Ka mau ki te waipiro whaea

Ko tenei tikanga ko te whakarite tuatahi i te waipiro whaea me te kukū teitei ake, katahi ka taapiri atu ki te peita taherapa. Ko te painga o tenei tikanga he nui ake te ngawari, ka taea te taapiri tika ki te peita kua oti, engari me penapena pai. He rite nga kaupae ki nga kaupae 1-4 i te tikanga 1, engari kaore e hiahiatia te whakaoho teitei kia memeha katoa ki roto i te wairewa viscous.

Kia tupato
I te mea he paura, he totoka ranei te cellulose hydroxyethyl cellulose, he ngawari ki te hapai me te memeha i roto i te wai mena ka tuhia nga take e whai ake nei.

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 ipu whakaranu. Kaua e whakauru tika i te hydroxyethyl cellulose kua hanga hei kapia, hei poipoi ranei ki roto i te oko whakaranu i te nui, i te tika ranei.

3. Ko te pāmahana wai me te uara pH o te wai he hononga nui 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 whakamahanatanga o te paura hydroxyethyl cellulose e te wai. Ko te whakanui ake i te uara PH i muri i te whakamahana he awhina mo te whakakore.

5. I te mea e taea ana, taapirihia he kaihoko antifungal i te wa e taea ai.

6. A, no te whakamahi i te hydroxyethyl cellulose teitei-nui, ko te kukū o te waipiro whaea kia kaua e teitei ake i te 2.5-3%, ki te kore he uaua ki te whakahaere i te waipiro whaea. Ko te hydroxyethyl cellulose i muri i te maimoatanga he mea ngawari ki te hanga kapia, poipoi ranei, karekau hoki e hanga i nga colloid porowhita korekore i muri i te taapiri wai.