Te matotoru o te Hydroxypropyl methyl cellulose (HPMC) mō te paninga Skim?
– whakautu: He pai te paninga kiriuhi HPMC 100000cps, ko ētahi he teitei ake i te whakaritenga i roto i te moata, me te kaha ki te whakamahi i te 150000cps. Heoi anō, ko te HPMC te mahi nui rawa atu o te pupuri wai, ā, muri iho ko te whakamātotoru. I roto i te paninga kiriuhi, mena he pai te pupuri wai, he iti te matotoru (7-80000), ka taea hoki, he nui ake te matotoru, he pai ake te pupuri wai whanaunga, ina neke atu i te 100 mano te matotoru, kāore e nui te matotoru o te pupuri wai.
He aha ngā tohu hangarau matua o te hydroxypropyl methyl cellulose (HPMC)?
Whakautu: Ko te nui o te hauwaiporoporo me te matotoru, he nui te aro o ngā kaiwhakamahi ki ēnei tohu e rua. He nui te nui o te hauwaiporoporo, he pai ake te pupuri wai. He pai ake hoki te matotoru, te pupuri wai, te whanaungatanga (engari ehara i te tino), me te matotoru, he pai ake te whakamahi i te moata sima.
He aha ngā rauemi mata matua o te Hydroxypropyl methyl cellulose (HPMC)?
Whakautu: hydroxypropyl methyl cellulose (HPMC) rauemi mata matua: miro parakore, chloromethane, propylene oxide, ētahi atu rauemi mata, papa alkali, waikawa, toluene, isopropyl waipiro me ētahi atu.
HPMC i roto i te paninga Skim i roto i te tono, ko te mahi matua, ahakoa he matū?
Whakautu: HPMC i roto i te paninga Kirikiri, te whakamātotoru, te wai me te hanganga o ngā mahi e toru. Whakamātotoru: ka taea te whakamātotoru i te cellulose ki te whakatārewatanga, kia noho rite tonu te otinga ki runga, ki raro hoki, ko te mahi ārai-rere te iri. Pupuri wai: kia āta maroke te paninga Kirikiri, ka āwhina i te konupūmā hina i roto i te mahi a te tauhohenga wai. Hanganga: whakahinuhinu cellulose, ka taea te hanga i te paninga Kirikiri he hanganga pai. Kāore te HPMC e whai wāhi ki tētahi tauhohenga matū, engari he mahi tautoko anake. Ko te paninga kirikiri me te wai, i runga i te pakitara, he tauhohenga matū, nā te mea ka puta he matū hou, ka hurihia te pakitara o te paninga Kirikiri mai i te pakitara, ka hurihia hei paura, kātahi ka whakamahia, kāore i te pai, nā te mea kua hangaia he matū hou (konupūmā kāponāte). Ko ngā wāhanga matua o te paura konupūmā hina ko: Ca(OH)2, CaO me te iti o te ranunga CaCO3, CaO+H2O=Ca(OH)2 – Ca(OH)2+CO2=CaCO3↓+H2O i raro i te mahi a te CO2, ka puta te konupūmā kāponāte i roto i te wai me te hau, ka hangaia he konupūmā kāponāte, me te HPMC wai anake, he pai ake te tauhohenga konupūmā hina āwhina, kāore i uru ki tētahi tauhohenga.
Ko te HPMC he kore-ionic cellulose ether, nō reira he aha te kore-ionic?
A: I te nuinga o te wā, ko ngā mea kore-iona he matū kāore e iona i roto i te wai. Ko te ionatanga ko te wehenga o te irahiko ki roto i ngā iona utu nekeneke noa i roto i tētahi whakarewa motuhake, pērā i te wai, i te waipiro rānei. Hei tauira, ko te tote e kainga ana e tātou i ia rā — te konutai pūhaumāota (NaCl) ka rewa ki roto i te wai, ka iona hei whakaputa i ngā iona konutai nekeneke noa (Na+) me te utu pai me ngā iona pūhaumāota (Cl) me te utu kino. Arā, kāore te HPMC i roto i te wai e wehe ki roto i ngā iona utu, engari kei te noho hei ngota.
He aha te pānga o te pāmahana whakapūkara o te hydroxypropyl methyl cellulose?
Whakautu: E pā ana te pāmahana tiēre o te HPMC ki te ihirangi methoxyl. Ka iti ake te ihirangi methoxyl, ka teitei ake te pāmahana tiēre.
Kāore he hononga i waenganui i te paura paninga me te HPMC?
Whakautu: He hononga nui tō te paura pata paninga me te kounga o te konupūmā pungarehu, ā, kāore he hononga nui o te HPMC. Ko te iti o te konupūmā o te konupūmā hina me te koretake o te ōwehenga o te CaO me te Ca(OH)2 i roto i te konupūmā hina ka puta te maturuturunga o te paura. Mena he hononga ki te HPMC, ko te iti o te pupuri wai o te HPMC ka puta hoki te ngaronga o te paura.
He aha te rerekētanga i waenga i te hydroxypropyl methyl cellulose wairewa-matao me te hydroxypropyl methyl cellulose wairewa-wera i roto i te tukanga whakaputa?
– Whakautu: Ko te momo otinga wai matao HPMC inamata i muri i te maimoatanga mata glyoxal, ka tere te marara ki roto i te wai matao, engari kāore i tino memeha, ka piki ake te matotoru, ka memeha. Ko te momo wairewa-mahana kāore anō kia rongoatia ki te mata ki te glyoxal. He nui te nui o te glyoxal, he tere te marara, engari he puhoi te matotoru, he iti te nui, he rerekē.
He aha te mea e kakara ai te hydroxypropyl methyl cellulose (HPMC)?
– Whakautu: Ko te HPMC i hangaia mā te tikanga whakarewa he mea hanga ki te toluene me te waipiro isopropyl. Mēnā kāore i te tino pai te horoinga, ka toe tonu te reka.
Ngā whakamahinga rerekē, me pēhea te whiriwhiri i te hydroxypropyl methyl cellulose (HPMC) e tika ana?
– whakautu: ka hoha koe ki te paninga o te paura tamariki: he iti iho te whakaritenga, he 100000 te matotoru, āe, he mea nui kia tiakina te wai kia tata ki. Paninga moata: he nui ake ngā whakaritenga, he nui ake te matotoru, he pai ake te 150000. Paninga kāpia: te hiahia mō ngā hua tere, he nui te matotoru.
He aha tētahi atu ingoa mō te hydroxypropyl methyl cellulose?
– WHAKAUTU: Hydroxypropyl MethylCellulose, Whakarāpopototia ko HPMC, MHPC rānei, Hydroxypropyl Methyl Cellulose rānei; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether.
He aha te take o te mirumiru o te paninga kiriuhi i te whakamahi a te HPMC?
Whakautu: HPMC i roto i te paninga Kirikiri, te whakamātotoru, te wai me te hanganga o ngā mahi e toru. Kāore e uru ki tētahi tauhohenga. Ngā take o ngā mirumiru: 1, he nui rawa te wai. 2, kāore te raro i te maroke, kei runga i te paparanga waru, he ngāwari hoki te pupuhi.
He tauira paninga kiri mō te pakitara o roto, o waho?
– whakautu: pakitara o roto Paninga kiri: konupūmā 800KG hina konupūmā 150KG (mārika etera, kakariki parakore, peng runtu, waikawa citric, polyacrylamide ka taea te tāpiri tika)
Pakitara o waho Pania ki te kiri: sima 350KG konupūmā 500KG onepu quartz 150KG paura rapa 8-12kg cellulose ether 3KG māngaro ether 0.5kg muka rakau 2KG
He aha te rerekētanga i waenga i te HPMC me te MC?
– Whakautu: Ko te MC he methyl cellulose, he mea hanga mai i te cellulose ether mā te raupapa o ngā tauhohenga me te methane chloride hei kaihoko ethering i muri i te tukatuka i te miro kua whakapaia ki te alkali. Ko te tikanga, ko te taumata o te whakakapinga he 1.6~2.0, ā, ka rerekē te wairewa i runga i te taumata o te whakakapinga. Nō te cellulose ether kore-ionic.
(1) Ko te pupuri wai o te methyl cellulose e whakawhirinaki ana ki te nui o te tāpiri, te matotoru, te pai o te matūriki me te tere whakarewa. Ko te tikanga he nui te tāpiri, he iti te pai, he nui te tere pupuri wai. I roto i ēnei, ko te nui o te tāpiri te mea nui rawa atu te pānga ki te pupuri wai, ā, kāore te matotoru e rite ki te pupuri wai. Ko te tere whakarewa e whakawhirinaki ana ki te nui o te whakarerekētanga mata me te pai o te matūriki o ngā matūriki cellulose. I roto i ngā cellulose ethers o runga ake nei, he teitei ake te tere pupuri wai o te methyl cellulose me te hydroxypropyl methyl cellulose.
(2) Ka wairewa te methyl cellulose i roto i te wai matao, he uaua ki te wairewa i roto i te wai wera. He tino pumau tōna wairewa i roto i te pH=3~12. He pai te hototahi ki te māngaro, te guanidine gum me te maha o ngā surfactants. Ka puta te gelation ina tae te pāmahana ki te pāmahana gelation.
(3) Ka pā kino te panonitanga o te pāmahana ki te tere pupuri wai o te methyl cellulose. I te nuinga o te wā, ka nui ake te pāmahana, ka kino ake te pupuri wai. Mena ka neke ake te pāmahana o te moata i te 40℃, ka tino kino ake te pupuri wai o te methyl cellulose, ka pā kino ki te hanganga o te moata.
(4) He mārama te pānga o te methyl cellulose ki te hanganga me te piri o te moata. Ko te "piri" i konei e pā ana ki te piri e pā ana ki te kaimahi i waenga i te taputapu me te papa pakitara, arā, ko te ātete kutikuti o te moata. He nui te piri, he nui te ātete kutikuti o te moata, he nui hoki te kaha e hiahiatia ana e ngā kaimahi i te wā e whakamahia ana, ā, he ngoikore te hanganga o te moata. I roto i ngā hua cellulose ether, he iti noa te piri o te methyl cellulose.
Ko te HPMC hydroxypropyl methyl cellulose, ka whakamahia te miro hei whakangawari i muri i te maimoatanga alkali, me te propylene oxide me te chloromethane hei kaihoko etherifying, mā roto i te raupapa o ngā tauhohenga, ā, ka hangaia mai i te cellulose kore-ionic kua konatunatua ki te ether. Ko te taumata o te whakakapinga he 1.2 ~ 2.0. Ka rerekē ōna āhuatanga i runga i te ōwehenga o te ihirangi methoxy me te hydroxypropyl.
(1) He ngāwari te wairewa o te hydroxypropyl methyl cellulose ki te wai matao, he uaua ki te wairewa ki te wai wera. Heoi, he mārama ake te teitei ake o tōna pāmahana whakapūkara i roto i te wai wera i tō te methyl cellulose. I tino pai ake hoki te wairewatanga o te methyl cellulose ki te wai matao.
(2) E pā ana te matotoru o te hydroxypropyl methyl cellulose ki tōna taumaha ngota, ā, ki te teitei ake te taumaha ngota, ka teitei ake te matotoru. Ka pā hoki te pāmahana ki te matotoru. Ka heke te matotoru i te pikinga o te pāmahana. Engari he iti ake tōna pānga matotoru i te pāmahana teitei i tō te methyl cellulose. He pumau te otinga ina rongoatia i te pāmahana rūma.
(3) He pumau te Hydroxypropyl methyl cellulose ki te waikawa me te kawakore, ā, he tino pumau tōna wairewa i te awhe pH=2~12. He iti noa te pānga o te houra kautika me te wai raima ki ōna āhuatanga, engari ka taea e te kawakore te whakatere i tōna tere whakarewa me te whakapai ake i te matotoru. He pumau te Hydroxypropyl methyl cellulose ki ngā tote whānui, engari ina teitei te kukū o te wairewa tote, ka piki ake te matotoru o te wairewa hydroxypropyl methyl cellulose.
(4) Ko te pupuri wai o te hydroxypropyl methyl cellulose e whakawhirinaki ana ki tōna horopeta me te matotoru, ā, ko te tere pupuri wai o te hydroxypropyl methyl cellulose he teitei ake i te methyl cellulose i te horopeta kotahi.
(5) Ka taea te whakaranu i te hydroxypropyl methyl cellulose ki ngā matū polymer wairewa-wai kia rite te matotoru, kia matotoru ake. Pērā i te waipiro polyvinyl, te māngaro ether, te kāpia huawhenua me ētahi atu.
(6) He nui ake te piri o te hydroxypropyl methyl cellulose ki te hanganga moata i tō te methyl cellulose.
(7) He pai ake te ātete o te hydroxypropyl methyl cellulose ki ngā whākōkī i te methyl cellulose, ā, he iti ake te tūponotanga o te pirau o te whākōkī wairewa i te methyl cellulose.
He aha ngā mea hei aro atu ki te whanaungatanga i waenga i te matotoru me te pāmahana o te HPMC i roto i ngā mahi tūturu?
Whakautu: He rite whakahuri te matotoru o te HPMC ki te pāmahana, arā, ka piki ake te matotoru i te hekenga o te pāmahana. Ina kōrero tātou mō te matotoru o tētahi hua, e kōrero ana tātou mō te matotoru o te 2% o te hua i roto i te wai i te 20 nekehanga Celsius.
I roto i te whakamahinga mahi, i ngā wāhi he nui ngā rerekētanga pāmahana i waenga i te raumati me te hotoke, me mōhio he pai ake te whakamahi i te matotoru iti i te hotoke, he pai ake mō te hanga. Ki te kore, ina iti te pāmahana, ka piki ake te matotoru o te cellulose, ā, i te wā e waruhia ana, ka taumaha te ahua.
Matotoru waenga: 75000-100000 e whakamahia ana mō te putty
Take: He pai te pupuri wai
Te matotoru teitei: Ko te HPMC 150000-200000 te nuinga e whakamahia ana mō te paura moata whakamahana matūriki polystyrene me te moata whakamahana piripiri vitrified.
Take: he matotoru teitei, he uaua te taka i te moata, he iri te rere, he pai ake te hanganga.
Engari i te nuinga o te wā, ko te teitei ake o te matotoru, ko te pai ake o te pupuri wai, nō reira he maha ngā wheketere moata maroke, i runga i te utu, e whakamahi ana i te HPMC cellulose matotoru-waenga (75000-100000) hei whakakapi i te HPMC cellulose matotoru-waenga me te matotoru-iti (20000-40000) hei whakaiti i te nui o te tāpiri.
Wā tuku: Hanuere-10-2022