Te pupuri wai o te hydroxypropyl methylcellulose ether
Ko te pupuri wai o te moata ranunga maroke 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 hydroxypropyl methylcellulose ether, ko te pai ake o te pupuri wai. Nā te mea kei roto i te hanganga cellulose ngā hononga hydroxyl me te ether, ka hono ngā ngota hāora i runga i ngā rōpū hononga hydroxyl me te ether ki ngā ngota wai hei hanga hononga hauwai, kia noho ai te wai kore utu hei wai here, ka whakararu i te wai, ā, ka whai wāhi ki te pupuri wai.
Te wairewatanga o te Hydroxypropyl Methyl Cellulose Ether
1. He māmā te horapa o te cellulose ether matotoru ki roto i te wai, kāore e whakaemi, 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 whakamarara i te cellulose ether matūriki angiangi ki roto i te wai, kāore e whakaemi, ā, he taurite te tere whakarewa. Ka rewahia te cellulose ether neke atu i te 80 mata ki roto i te wai mō te 3 meneti pea.
3. Ka tere te marara o te cellulose ether matūriki tino pai ki roto i te wai, ka tere te memeha, ā, ka tere te hanga matotoru. 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 i ngā matūriki o te hydroxypropyl methylcellulose ether. Ka memeha tonu te mata o te cellulose ether matotoru i muri i te pa atu ki te wai, ā, ka hanga he āhua tiēre. Ka takai te kāpia i te rauemi kia kore ai e uru tonu ngā ngota wai. I ētahi wā, kāore e taea te marara me te memeha ōrite ahakoa te roa o te whakaoho, ka hanga he wairewa pūngāwerewere kapua, he ranunga rānei. Ka marara tonu ngā matūriki kikokore, ka memeha tonu i muri i te pa atu ki te wai, ka hanga he matotoru ōrite.
Te uara PH o te hydroxypropyl methylcellulose ether (te pānga whakaroa, te pānga kaha wawe rānei)
Ko te uara pH o ngā kaihanga hydroxypropyl methylcellulose ether i te kāinga me tāwāhi e whakahaeretia ana i te 7 pea, arā, kei roto i te āhua waikawa. Nā te mea he nui tonu ngā hanganga mowhiti anhydroglucose i roto i te hanganga ngota o te cellulose ether, ko te mowhiti anhydroglucose te rōpū matua e whakaroa ana i te sima. Ka taea e te mowhiti anhydroglucose te hanga i ngā katote konupūmā i roto i te otinga whakamakuku sima kia puta ai he pūhui ngota huka-konupūmā, ka whakaiti i te kukū katote konupūmā i te wā whakaoho o te whakamakuku sima, ka ārai i te hanganga me te maturuturu o te konupūmā hauwai me ngā tioata tote konupūmā, ka whakaroa i te whakamakuku o te sima. Mena kei roto te uara PH i te āhua kawakore, ka puta te moata i te āhua kaha wawe. Ināianei, ko te nuinga o ngā wheketere e whakamahi ana i te konutai kāponāte hei whakatika i te uara pH. He momo kaihoko tere te konutai kāponāte. Ka whakapai ake te konutai kāponāte i te mahi o te mata o ngā matūriki sima, ka whakatairanga i te hononga i waenga i ngā matūriki, ā, ka whakapai ake anō i te matotoru o te moata. I taua wā anō, ka tere te hono o te konutai kāponāte ki ngā katote konupūmā i roto i te moata hei whakatairanga i te hanganga o te ettringite, ā, ka tere te whakapūmau o te sima. Nō reira, me whakarerekē te uara pH kia rite ki ngā kiritaki rerekē i roto i te tukanga whakaputa tuturu.
Ngā Āhuatanga Whakauru Hau o te Hydroxypropyl Methyl Cellulose Ether
Ko te pānga o te hydroxypropyl methylcellulose ether ki te hau, nā te mea he momo surfactant anō hoki te cellulose ether. Ko te mahi atanga o te cellulose ether ka puta i te atanga hau-wai-totoka. Tuatahi, ka puta ngā mirumiru hau, ā, muri iho ka puta te pānga marara me te whakamakuku. Kei roto i te cellulose ether ngā rōpū alkyl, e whakaiti nui ana i te taumahatanga mata me te kaha atanga o te wai, e ngāwari ai te whakaputa i ngā mirumiru iti kua kati i te wā e whakaoho ana i te wairewa wai.
Ngā Āhuatanga o te Hydroxypropyl Methyl Cellulose Ether i roto i te Gel
I muri i te rewa o te etera hydroxypropyl methylcellulose ki roto i te moata, ka tauhohe ngā rōpū methoxyl me te hydroxypropyl i runga i te mekameka ngota ki ngā katote konupūmā me ngā katote konumohe i roto i te parai hei hanga i te kirikiri matotoru, hei whakakī i te āputa o te moata sima. , hei whakapai ake i te kiato o te moata, hei whakakī ngāwari me te whakapakari. Heoi, ina pēhia te anga hiato, kāore e taea e te polymer te tautoko pakari, nō reira ka heke te ōwehenga kaha me te takai o te moata.
Te Hanganga Kiriata o te Hydroxypropyl Methyl Cellulose Ether
I muri i te tāpiritanga o te hydroxypropyl methyl cellulose ether hei whakamakuku, ka hangaia he paparanga angiangi o te kiriata rapa i waenganui i ngā matūriki sima. He pānga hiri tēnei kiriata, ā, ka whakapai ake i te maroke o te mata o te moata. Nā te pupuri wai pai o te hydroxypropyl methylcellulose ether, he nui ngā ngota wai e rongoa ana i roto i te moata, ā, mā reira ka whakarite i te whakapakeketanga o te sima me te whanaketanga katoa o te kaha, ka whakapai ake i te kaha piri o te moata, ā, i te wa ano ka whakapai ake i te piri o te moata, ka pai te kirihou me te ngāwari o te moata, ā, ka whakaiti i te whakahekenga me te whakarerekētanga o te moata.
Wā tuku: Mei-23-2023