He paninga wai te paninga ārai wai o te arai rapa tere-tautuhi. Mēnā kāore te diaphragm e tino tiakina i muri i te paninga, e kore te wai e mimiti katoa, ā, ka puta ngāwari mai ngā mirumiru hau matotoru i te wā e tunua ana ki te pāmahana teitei, ka angiangi te kiriata ārai wai, ka ngoikore te ātete ki te waikura, te ātete ki te waikura, me te ātete ki te huarere. Nā te mea he maha ngā wā kāore e taea te whakahaere i ngā āhuatanga tiaki i te papa hangahanga, he mea nui kia whakapai ake i te ātete pāmahana teitei o ngā paninga ārai wai arai rapa tere-tautuhi mai i te tirohanga hanganga.
I tīpakohia te cellulose ether wairewa-wai hei whakapai ake i te ātete pāmahana teitei o ngā rauemi ārai wai arai rapa tere-tautuhi i rehuhia. I taua wā anō, i rangahauhia ngā pānga o te momo me te nui o te cellulose ether ki ngā āhuatanga miihini, te mahi rehu, te ātete wera me te rokiroki o ngā paninga ārai wai arai rapa tere-tautuhi.
Te whakarite tauira
Whakarewahia te hydroxyethyl cellulose ki roto i te 1/2 wai whakakore ion, whakaohokia kia memeha rawa, kātahi ka tāpirihia te emulsifier me te konutai hauwai ki te 1/2 wai whakakore ion e toe ana, ka whakaohokia kia ōrite hei whakarite i te otinga hopi, ā, hei whakamutunga, whakaranua ngā mea o runga ake nei. Ka whakaranua kia ōrite ngā otinga e rua hei whiwhi i te otinga wai o te hydroxyethyl cellulose, ā, ka whakahaeretia tōna uara pH i waenga i te 11 me te 13.
Whakaranua te uku kua whakaemulsified, te neoprene latex, te wairewa hydroxyethyl cellulose, te defoamer, me ētahi atu, kia rite ki tētahi ōwehenga hei whiwhi i te rauemi A.
Whakaritea he kukū motuhake o te wairewa Ca(NO3)2 hei rauemi B.
Whakamahia he taputapu rehu hiko motuhake hei rehu i te rauemi A me te rauemi B ki runga i te pepa tuku i te wā kotahi, kia taea ai te pā atu o ngā rauemi e rua, kia tere ai te whakatō ki roto i te kiriata i te wā e whakakorikoria ana.
Ngā hua me te kōrero
I tīpakohia te Hydroxyethyl cellulose me te matotoru o te 10 000 mPa·s me te 50 000 mPa·s, ā, i whakamahia te tikanga i muri i te tāpiri hei ako i ngā pānga o te matotoru me te nui o te tāpiri o te hydroxyethyl cellulose ki te mahi rehu o ngā paninga ārai wai tere-tautuhi rapa uku, ngā āhuatanga hanga-kiriata, te ātete wera, ngā āhuatanga miihini me ngā āhuatanga rokiroki. Hei karo i te kino ki te toenga pūnaha i puta mai i te tāpiri o te otinga hydroxyethyl cellulose, ka hua ake te demulsification, i tāpirihia he emulsifier me te kaiwhakahaere pH i te wā e whakarite ana i te otinga hydroxyethyl cellulose.
Te Pānga o te Mātotoru o te Hydroxyethyl Cellulose (HEC) ki ngā Āhuatanga Rehu me te Hanga Kiriata o ngā Paninga Āraiwai
Ka nui ake te matotoru o te hydroxyethyl cellulose (HEC), ka nui ake te pānga ki ngā āhuatanga rehu me te hanga kiriata o ngā paninga ā-wai. Ina 1‰ te nui o te tāpiri, ka whakanuia e te HEC me te matotoru o te 50 000 mPa·s te matotoru o te pūnaha paninga ā-wai. Ina whakanuia kia 10 ngā wā, ka tino uaua te rehu, ā, ka tino mimiti te diaphragm, engari he iti noa te pānga o te HEC me te matotoru o te 10 000 mPa·s ki te rehu, ā, he mea noa te mimiti o te diaphragm.
Te Pānga o te Hydroxyethyl Cellulose (HEC) ki te Ātete Wera o ngā Paninga Āraiwai
I rehuhia te paninga ārai wai o te arai rapa tere-tautuhi ki runga i te pepa konumohe hei whakarite i te tauira whakamātautau ātete wera, ā, i whakamaroketia kia rite ki ngā tikanga whakamaroketia o te paninga ārai wai o te arai wai i whakaritea i roto i te paerewa ā-motu GB/T 16777-2008. He nui te taumaha ngota o te hydroxyethyl cellulose me te matotoru o te 50 000 mPa·s. Haunga te whakaroa i te mimiti wai, he pānga whakapakari anō hoki tōna, e uaua ai te mimiti o te wai mai i roto i te paninga, nō reira ka nui ake ngā pupuhi. He iti te taumaha ngota o te hydroxyethyl cellulose me te matotoru o te 10 000 mPa·s, he iti nei te pānga ki te kaha o te rauemi, ā, kāore e pā ki te mimiti o te wai, nō reira kāore he mirumiru e puta.
Te pānga o te nui o te hydroxyethyl cellulose (HEC) i tāpirihia
I tīpakohia te Hydroxyethyl cellulose (HEC) me te matotoru o te 10 000 mPa·s hei kaupapa rangahau, ā, i rangahauhia ngā pānga o ngā tāpiringa rerekē o te HEC ki te mahi rehu me te ātete wera o ngā paninga ārai wai. I te whakaaro whānuitia ki te mahi rehu, te ātete wera me ngā āhuatanga hangarau o ngā paninga ārai wai, e whakaarohia ana ko te nui o te tāpiringa pai rawa atu o te hydroxyethyl cellulose ko te 1‰.
He rerekētanga nui te rapa neoprene i roto i te paninga ārai wai o te arai rapa tere-tautuhi me te arai whakarewa, ā, ka tere te pakaru o te rauemi A i te wā e rongoatia ana. Nō reira, i te wā e hangaia ana i te papaanga, me whakaoho kia ōrite i mua i te rehu, ki te kore ka raru te kounga o te rauemi. Ka taea e te Hydroxyethyl cellulose te whakaoti rapanga pakaru o ngā paninga ārai wai o te arai rapa tere-tautuhi. I muri i te kotahi marama o te rongoa, kāore anō kia pakaru. Kāore te matotoru o te pūnaha e tino rerekē, ā, he pai te pumau.
arotahi
1) I muri i te tāpiritanga o te hydroxyethyl cellulose ki te paninga parewai rapa tere-tautuhi, ka tino pai ake te ātete wera o te paninga parewai, ā, ka tino pai ake te raruraru o ngā mirumiru matotoru i runga i te mata o te paninga.
2) I raro i te kaupapa kia kaua e pā ki te tukanga rehu, te mahi hanga kiriata me ngā āhuatanga hangarau o te rauemi, i whakatauhia te hydroxyethyl cellulose he hydroxyethyl cellulose me te matotoru o te 10 000 mPa·s, ā, ko te nui o te tāpiri he 1‰.
3) Mā te tāpiri o te hydroxyethyl cellulose ka pai ake te pumau o te rokiroki o te paninga ārai wai o te arai rapa tere-tautuhi kua rehuhia, ā, kāore he wehewehenga e puta i muri i te rokiroki mō te marama kotahi.
Wā tuku: Mei-29-2023