Ka taea te wehewehe i te HPMC ki te taumata hanga, te taumata kai me te taumata rongoā i runga i te kaupapa. I tēnei wā, ko te nuinga o ngā hua o te whare he taumata hanga, ā, i roto i ngā taumata hanga, he tino nui te nui o te paura putty. Whakaranua te paura HPMC me te nui o ētahi atu matū paura, whakaranua kia pai ki te mīhini whakaranu, kātahi ka tāpirihia he wai kia memeha, kātahi ka taea te memeha i te HPMC i tēnei wā me te kore e kohikohi, nā te mea ko ia kokonga iti, he iti noa te paura HPMC, ka tūtaki ki te wai. Ka memeha tonu. Ko te nuinga o ngā kaihanga paura putty me te moata e whakamahi ana i tēnei tikanga. Ka whakamahia te Hydroxypropyl methylcellulose (HPMC) hei whakamātotoru me te pupuri wai i roto i te moata paura putty.
E pā ana te pāmahana tiēre o te HPMC ki te nui o te methoxy, ko te iti o te nui o te methoxy ↓, ko te teitei ake o te pāmahana tiēre ↑. Ko te momo HPMC wai matao inamata ka rongoatia ki te mata ki te glyoxal, ā, ka tere te marara i roto i te wai matao, engari kāore e tino memeha. Ka memeha noa ina piki ake te matotoru. Kāore ngā momo rewa wera e rongoatia ki te mata ki te glyoxal. Mena he nui te nui o te glyoxal, ka tere te marara, engari ka puhoi te piki o te matotoru, ā, ki te iti te nui, ka rerekē te āhua. Ka taea te wehewehe i te HPMC ki te momo inamata me te momo whakarewa wera. Ka tere te marara o te hua momo inamata i roto i te wai matao ka ngaro ki roto i te wai. I tēnei wā, kāore he matotoru o te wai nā te mea ka marara noa te HPMC i roto i te wai me te kore e memeha tūturu. Tata ki te 2 meneti, ka piki haere te matotoru o te wai, ka hanga he colloid matotoru mārama. Ko ngā hua rewa wera, ina tūtaki ki te wai matao, ka tere te marara i roto i te wai wera ka ngaro i roto i te wai wera. Ina heke te pāmahana ki tētahi pāmahana, ka āta puta te matotoru tae noa ki te hanga i tētahi kōroiti matotoru mārama. Ko te momo rewa-wera ka taea anake te whakamahi i roto i te paura putty me te moata. I roto i te kāpia wai me te peita, ka puta he āhuatanga whakarōpū, ā, kāore e taea te whakamahi. He whānui ake ngā whakamahinga o te momo inamata. Ka taea te whakamahi i roto i te paura putty me te moata, tae atu ki te kāpia wai me te peita, me te kore he ārai.
Ko te HPMC i hangaia mā te tikanga whakarewa e whakamahi ana i te toluene me te isopropanol hei whakarewa. Mēnā kāore i te tino pai te horoinga, ka toe mai he haunga. Te whakamahinga o te paura putty: he iti ngā whakaritenga, ko te matotoru he 100,000, he rawaka, ko te mea nui kia pai te pupuri i te wai. Te whakamahinga o te moata: he nui ake ngā whakaritenga, he matotoru teitei, he pai ake te 150,000. Te whakamahinga o te kāpia: me whai hua tere me te matotoru teitei. Ka rerekē te nui o te HPMC e whakamahia ana i roto i ngā mahi mahi i runga i te āhuarangi o te taiao, te pāmahana, te kounga o te konupūmā pungarehu o te rohe, te tauira paura putty me te "kounga e hiahiatia ana e ngā kiritaki". Ko te matotoru o te paura hydroxypropyl methylcellulose (HPMC)-putty he 100,000 te nuinga, ā, he nui ake te hiahia mō te moata, ā, me 150,000 kia ngāwari ai te whakamahi. Heoi anō, ko te mahi matua o te HPMC ko te pupuri i te wai, ā, muri iho ko te whakamātotoru. I roto i te paura putty, mena he pai te pupuri wai, ā, he iti te matotoru (70,000-80,000), ka taea hoki. Ko te tikanga, ki te teitei ake te matotoru, ka pai ake te pupuri wai. Ina neke atu te matotoru i te 100,000, ka pā te matotoru ki te pupuri wai. Kaua e nui rawa; ko te hunga he nui te ihirangi hydroxypropyl he pai ake te pupuri wai. Ko te mea he nui te matotoru he pai ake te pupuri wai, ā, ko te mea he nui te matotoru he pai ake te whakamahi i roto i te moata sima.
I roto i te paura putty, e toru ngā mahi a te HPMC, arā, te whakamātotoru, te pupuri wai, me te hanga. Kaua e whai wāhi ki tētahi tauhohenga. Ko te take o ngā mirumiru he nui rawa te wai e ringihia ana, he kore rānei te paparanga o raro e maroke, ā, ka waruhia tētahi atu paparanga ki runga, ā, ka ngāwari te pahuka. Te pānga whakamātotoru o te HPMC i roto i te paura putty: ka taea te whakamātotoru i te cellulose kia iri, kia rite te otinga, kia kore ai e totoro. Ko te pānga pupuri wai o te HPMC i roto i te paura putty: ka āta maroke te paura putty, ā, ka āwhina i te konupūmā pungarehu kia tauhohe i raro i te mahi a te wai. Ko te pānga hanga o te HPMC i roto i te paura putty: he pānga whakahinuhinu te cellulose, ka taea ai te hanga pai o te paura putty. Kāore te HPMC e whai wāhi ki tētahi tauhohenga matū, engari he mahi āwhina noa iho.
Ko te ngaronga o te paura o te paura putty e pā ana ki te kounga o te konupūmā pungarehu, ā, he iti noa iho te pānga ki te HPMC. Ko te iti o te konupūmā o te konupūmā hina me te ōwehenga hē o te CaO me te Ca(OH)2 i roto i te konupūmā hina ka puta te ngaronga o te paura. Mena he pānga ki te HPMC, ki te ngoikore te pupuri wai o te HPMC, ka taka hoki te paura. Ko te tāpiri wai ki te paura putty me te whakatakoto ki te pakitara he tauhohenga matū, nā te mea ka puta he matū hou, ā, ka tangohia te paura putty i runga i te pakitara mai i te pakitara. Ki raro, ka hurihia hei paura, ā, ka whakamahia anō, kāore e mahi, nā te mea kua puta he matū hou (konupūmā kāponāte). Ko ngā wāhanga matua o te paura konupūmā pungarehu ko: he ranunga o te Ca(OH)2, CaO me te iti o te CaCO3, CaO+H2O=Ca(OH)2—Ca(OH)2+CO2=CaCO3↓+H2O Kei roto i te wai me te hau te konupūmā pungarehu. I raro i te mahi a te CO2, ka puta te konupūmā kāponāte, ko te HPMC ia ka pupuri i te wai anake, ka āwhina i te tauhohenga pai ake o te konupūmā pungarehu, ā, kāore e whai wāhi ki tētahi tauhohenga.
Wā tuku: Maehe-18-2023