Etera cellulosete pupuri wai
Ko te pupuri wai o te moata e pā ana ki te kaha o te moata ki te pupuri me te raka i te wai. Ko te teitei ake o te matotoru o te cellulose ether, ko te pai ake o te pupuri wai. Nā te mea kei roto i te hanganga cellulose te here hydroxyl me te ether, ka hangaia he rōpū here hydroxyl me te ether o ngā ngota hāora me ngā ngota wai hei hanga i te here hauwai, kia kore ai e uru te wai ki roto i te wai here, ka takai te wai, kia whai wāhi ai ki te pupuri wai.
Te wairewatanga o te cellulose ether
1. He māmā te whakamarara i te cellulose ether taratara ki roto i te wai, engari kāore e haaputuputu, engari he tino puhoi te tere whakarewa. Ka whakarewaina te cellulose ether i raro i te 60 mesh ki roto i te wai mō te 60 meneti pea.
2. He ngāwari te marara o ngā matūriki angiangi o te cellulose ether i roto i te wai, kāore e haaputuputu, ā, he taurite te tere whakarewa. Ka rewa te cellulose ether ki roto i te wai mō te 3 meneti pea.
3. Ka tere te marara o te cellulose ether tino pai ki roto i te wai, ka tere te memeha, ā, ka hanga he matotoru tere. Ka memeha te cellulose ether i runga ake i te 120 mata ki roto i te wai mō te 10-30 hēkona pea.
Ko te pai ake o te pupuri wai o ngā matūriki cellulose ether, ko te pai ake o te pupuri wai, ka memeha tonu ngā matūriki taratara o te mata e pa ana ki te wai, ka puta he āhua tiēre. Ka takai te kāpia i te rauemi kia kore ai e uru tonu ngā ngota wai. I ētahi wā, ahakoa te whakaoho mō te wā roa, kāore e taea te horapa ōrite te wairewa, ka puta he wairewa paru, he wai whakapūpū rānei. Ka marara ngā matūriki taratara, ka memeha tonu ina pa ki te wai, ka hanga he matotoru ōrite.
Te uara PH o te cellulose ether (te whakaroa o te totohu, te kaha wawe rānei)
Ko te uara PH o ngā kaihanga cellulose ether i te kāinga me tāwāhi e whakahaeretia ana i te 7 pea, he waikawa. Nā te mea he nui tonu te hanganga mowhiti huka maroke i roto i te hanganga ngota o te cellulose ether, ko te mowhiti huka maroke te rōpū matua e whakaroa ana i te sima. Ka taea e te mowhiti huka maroke te hanga i ngā katote konupūmā i roto i te otinga whakamakuku sima kia hanga he huka, he pūhui ngota konupūmā, ka whakaiti i te kukū katote konupūmā i roto i te wā whakaoho whakamakuku sima, ka ārai i te hanganga me te maturuturu o te konupūmā hauwai me ngā tioata tote konupūmā, ka whakaroa i te tukanga whakamakuku sima. Mena ka huri te uara PH ki te āhua kawakore, ka puta wawe te āhua kaha o te moata. Ināianei ko te nuinga o ngā wheketere ki te whakatika i te uara PH mā te whakamahi i te konutai waro, ko te konutai waro he momo kaihoko whakatere, ka taea e te konutai waro te whakapai ake i te mahi o te mata matūriki sima, ka akiaki i te hononga i waenga i ngā matūriki kia piki ake, ka whakapai ake i te matotoru o te paru, te moata me te konutai waro me te pūhui katote konupūmā, ka akiaki i te hanganga o te ettringite, ka tere te whakapūtanga o te sima. Nō reira, me whakatika te uara PH kia rite ki ngā kiritaki rerekē i roto i te tukanga whakaputa tuturu.
Te whakapūtanga hau cellulose ether
Ko te take nui o te whakaurunga hau o te cellulose ether ko te mea he surfactant anō hoki te cellulose ether, ko te mahi atanga o te cellulose ether ka puta i te nuinga o te wā i roto i te atanga hau-wai-totoka, ko te tuatahi ko te whakaurunga o ngā mirumiru, ā, muri iho ka marara me te mākū. Kei roto i te cellulose ether te rōpū alkyl, ka tino whakaiti i te taumahatanga mata me te kaha atanga o te wai, ā, he ngāwari te waihanga i ngā mirumiru iti kua kati i roto i te otinga wai i te tukanga whakaoho.
Te whakapūkara o te cellulose ether
Nā te mekameka ngota o te methoxy me te hydroxypropyl i roto i te paru, ka rewa te cellulose ether i roto i te moata, ka hangaia he kirikiri matotoru me ngā katote konupūmā me ngā katote konumohe, ka whakakīia te āputa moata sima, ka whakapai ake i te matotoru o te moata, ka whai wāhi ki te whakakī ngāwari me te whakakaha. Heoi, ina pēhia te matrix hiato, kāore e taea e te polymer te tautoko pakari, nō reira ka heke te ōwehenga kaha me te kōpeketanga o te moata.
Te hanganga kiriata ote etera cellulose
Ka hangaia he kiriata rapa angiangi i waenganui i te cellulose ether me ngā matūriki sima i muri i te whakamakuku. He pānga hiri tō te kiriata, ā, ka whakapai ake i te āhua maroke o te mata o te moata. Nā te mea he pai te pupuri wai o te cellulose ether, ka pupuri i te nui o ngā ngota wai i roto i te moata, ā, ka whakarite i te kaha o te whakamakuku me te whakapakeketanga o te sima, ka tino whanake, ka whakapai ake i te kaha piri o te moata sima, ā, i te wā anō ka whakapai ake i te piri o te moata sima, he pai te kirihou me te pakari o te moata, ka whakaiti i te rerekētanga o te moata.
Wā tuku: Paenga-whāwhā-26-2024