1, he aha te whakamahinga matua o te hydroxypropyl methyl cellulose (HPMC)?
E whakamahia whānuitia ana te HPMC i roto i ngā rauemi hanga, ngā paninga, ngā kapia hangai, ngā uku, ngā rongoā, ngā kai, ngā kakahu, ngā ahuwhenua, ngā mea whakapaipai, ngā tupeka me ētahi atu ahumahi. Ka taea te wehewehe i te HPMC ki: te taumata hanga, te taumata kai me te taumata hauora mā te whakamahinga. I tēnei wā, ko te nuinga o ngā taumata hanga o te whare, i roto i te taumata hanga, he nui te horopeta o te paura putty, tata ki te 90% e whakamahia ana hei hanga paura putty, ko te toenga e whakamahia ana hei hanga moata sima me te kāpia.
2, kua wehea te hydroxypropyl methyl cellulose (HPMC) kia maha, he aha te rerekētanga o tōna whakamahinga?
Ka taea te wehewehe i te HPMC ki te momo otinga tere me te momo otinga wera. Ka tere te marara o ngā hua tere i roto i te wai matao, ka ngaro i 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, kāore he rewa tūturu. Tata ki te 2 meneti, ka piki haere te matotoru o te wai, ka hanga he koroka matotoru mārama. Ka taea te marara tere o ngā hua wairewa wera i roto i te wai wera, ka ngaro i roto i te wai wera, ina heke te pāmahana ki tētahi pāmahana, ka puta mārire te matotoru, tae noa ki te hanganga o te koroka matotoru mārama. Ka taea anake te whakamahi i te otinga wera i roto i te paura putty me te moata, i roto i te kāpia wai me te peita, ka puta he āhuatanga rōpū, kāore e taea te whakamahi. TAUIRA OTINGA Tere, HE WHĀNUI ANA TE WHĀNUI O TE WHAKAMAHINGA, KA HOHA KI TE PAURA TAMARIKI ME TE MOATA, Ā, I roto i te kāpia wai me te paninga, KA TAEA TE WHAKAMAHI I TE KATOA, KI TE KORE HE ĀRAITANGA.
3, kei a ngā tikanga wairewa hydroxypropyl methyl cellulose (HPMC) aua mea?
– A: Tikanga whakarewa wai wera: nā te mea kāore te HPMC e rewa i roto i te wai wera, ka taea te horapa ōrite te HPMC wawe ki roto i te wai wera, kātahi ka rewa wawe i te wā e whakamatao ana, e rua ngā tikanga noa e whakaahuahia ana penei: 1), i roto i te ipu ki te nui o te wai wera e hiahiatia ana, ka whakamahanahia ki te 70℃. Tāpirihia mārire te hydroxypropyl methylcellulose i raro i te whakaoho puhoi, ka tīmata te HPMC ki te mānu i runga i te mata o te wai, kātahi ka hanga mārire he paraoa, i raro i te whakaoho ka whakamatao i te paraoa. 2), tāpirihia te nui o te wai e hiahiatia ana o te 1/3, 2/3 rānei ki roto i te ipu, ka whakamahana ki te 70℃, e ai ki te tikanga o 1), te horapa o te HPMC, te whakarite i te paraoa wai wera; Kātahi ka tāpirihia te toenga o te wai matao ki te paraoa wera, whakaohokia ka whakamatao i te ranunga. Tikanga whakaranu paura: Ko te paura HPMC me te maha o ngā kai paura kē atu, ka whakaranua pai ki te mīhini whakaranu, i muri i te tāpiri wai kia rewa, kātahi ka taea te rewa te HPMC i tēnei wā, engari kāore e piri, nā te mea ko ia kokonga iti, he iti noa te paura HPMC, ka rewa tonu te wai. – Kei te whakamahia tēnei tikanga e ngā umanga hanga paura putty me te moata. E whakamahia ana te Hydroxypropyl METHYL cellulose (HPMC) hei whakamātotoru me te pupuri wai i roto i te moata paura putty.
4, me pēhea te māmā me te ngāwari ki te whakatau i te kounga o te hydroxypropyl methyl cellulose (HPMC)?
– Whakautu: (1) te mā: ahakoa kāore e taea te whakatau mēnā he pai te HPMC ki te whakamahi, ā, mēnā ka tāpirihia ki te tukanga whakaputa mā, ka pā ki tōna kounga. Heoi, ko ngā hua pai he mā te nuinga. (2) te pai: Ko te pai o te HPMC he 80 mata te nuinga me te 100 mata, 120 iti iho te kaupapa, ko te HPMC Hebei he 80 mata te nuinga, ko te pai ake o te pai, ko te pai ake. (3) te tuku: ko te hydroxypropyl methyl cellulose (HPMC) ki roto i te wai, ka hangaia he colloid mārama, ka kitea tōna tuku, ko te nui ake o te tuku, ko te pai ake, ko te iti ake o te rauemi kore e rewa i roto. Ko te urunga o te tauhohenga poutū he pai te nuinga, ko te kino ake o te tauhohenga whakapae, engari kāore e taea te whakaatu he pai ake te kounga o te whakaputanga tauhohenga poutū i te whakaputanga tauhohenga whakapae, ko te kounga o te hua ka whakatauhia e te maha o ngā āhuatanga. (4) te taumaha motuhake: ko te nui ake o te taumaha motuhake, ko te pai ake. He nui ake te hiranga, ko te nuinga nā te mea he nui te ihirangi o te hydroxypropyl, he nui te ihirangi hydroxypropyl, kātahi ka pai ake te pupuri wai.
5, te nui o te paura putty hydroxypropyl methyl cellulose (HPMC)?
– Whakautu: Ko te horopeta o te HPMC i roto i te whakamahinga tuturu, e ai ki te āhuarangi o te taiao, te pāmahana, te kounga o te pungarehu konupūmā ā-rohe, te tauira paura putty me ngā "whakaritenga kounga a te kiritaki", ā, he rerekē. I te nuinga o te wā, ko te horopeta putty ātete-wai i waenga i te 4 kg – 5 kg. Hei tauira: ko te paura putty o Beijing, ko te nuinga he 5 kg; i Guizhou, ko te nuinga he 5 kg i te raumati, ā, ko te 4.5 kg i te takurua. He iti te rahinga o Yunnan, ko te nuinga he 3 kg -4 kg me ētahi atu. Ā, ko te horopeta HPMC i roto i te putty 821 ko te nuinga he 2~3 kg.
6, he aha te nui o te matotoru e tika ana mō te hydroxypropyl methyl cellulose (HPMC)?
– Whakautu: KA HOHA KI TE PAURA TAMARIKI WHĀNUI 100 MANO ĀE, HE TEITEI AKE TE HIAHIATANGA I ROTO I TE MOATA, ME 150 MANO TE ĀHEI KI TE WHAKAMAHI. Heoi anō, ko te mahi nui a te HPMC ko te pupuri wai, ā, muri iho ka matotoru. I roto i te paura putty, mena he pai te pupuri wai, he iti te matotoru (7-80 mano), ka taea hoki, he nui ake te matotoru, he pai ake te pupuri wai whanaunga, ina neke atu i te 100 mano te matotoru, he iti noa te pānga o te matotoru ki te pupuri wai.
7, he aha ngā tohu hangarau matua o te hydroxypropyl methyl cellulose (HPMC)?
A: Ko te nui me te matotoru o te hauwaiporoporo, koinei ngā mea e āwangawangahia ana e te nuinga o ngā kaiwhakamahi. 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), ā, he pai ake te whakamahi i ētahi matotoru i roto i te moata sima.
8, ko te hydroxypropyl methyl cellulose (HPMC) ngā rauemi mata matua?
– Whakautu: hydroxypropyl methyl cellulose (HPMC) o ngā rauemi mata matua: miro parakore, chloromethane, propylene oxide, ētahi atu rauemi mata, papa alkali, waikawa, toluene, isopropyl alcohol, me ētahi atu.
9, HPMC i roto i te tono o te paura putty, he aha te mahi matua, ahakoa te matū?
E toru ngā mahi a te HPMC i roto i te paura putty, arā, te whakamātotoru, te pupuri wai me te hanga. Te whakamātotoru: Ka taea te whakamātotoru i te cellulose hei whakatārewatanga, kia mau tonu ai te otinga i runga, i raro hoki i te mahi kotahi, kia kore ai e iri te rere. Te pupuri wai: kia puhoi ake te maroke o te paura putty, ā, ka āwhina te tauhohenga konupūmā i raro i te mahi a te wai. Te Hanganga: He pānga whakahinuhinu te cellulose, ā, ka taea te hanga i te paura putty he pai te hanganga. Kāore te HPMC e whai wāhi ki ngā tauhohenga matū, engari he mahi āwhina anake. Ko te paura putty i tāpirihia ki te wai, he tauhohenga matū ki te pakitara, nā te mea ka puta he rauemi hou, ka hurihia te paura putty ki te pakitara mai i te pakitara, ka hurihia hei paura, kātahi ka whakamahia, kāore e whakamahia, nā te mea kua hangaia he rauemi 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 pungarehu konupūmā i roto i te wai me te hau i raro i te mahi a te CO2, ka hangaia he konupūmā kāponāte, ā, ko te HPMC anake te pupuri wai, he pai ake te tauhohenga o te pungarehu konupūmā āwhina, kāore i uru ki tētahi tauhohenga.
10, HPMC kore-ionic cellulose ether, he aha te kore-ionic?
A: I te nuinga o te wā, ko te kore-ionic he matū i roto i te wai kāore e ionize. Ko te ionization te tukanga e wehea ai te electrolyte ki ngā ion e neke haere ana i roto i tētahi whakarewa motuhake, pērā i te wai, i te waipiro rānei. Hei tauira, ko te konutai pūhaumāota (NaCl), te tote e kainga ana e tātou i ia rā, ka rewa ki te wai, ka ionize hei whakaputa i ngā ion konutai neke haere (Na+) he pai te utu, me ngā ion pūhaumāota (Cl) he kino te utu. Arā, kāore te HPMC i roto i te wai e wehea ki ngā ion kua utuhia, engari kei te noho hei ngota.
11, te pāmahana o te hydroxypropyl methylcellulose gel me te aha e pā ana ki?
– Whakautu: E pā ana te pāmahana tiēre o te HPMC ki te nui o te methoxy. Ka iti ake te nui o te methoxy, ka teitei ake te pāmahana tiēre.
12. He hononga kei waenganui i te paura putty me te HPMC?
– Whakautu: he hononga nui kei waenganui i te paura putty me te kounga o te konupūmā, ā, kāore i te tino nui te hononga o te HPMC. Ko te iti o te konupūmā o te konupūmā me te ōwehenga o te CaO, Ca(OH)2 i roto i te pungarehu konupūmā kāore i te tika, ka puta te maturuturunga o te paura. Mena he pānga ki te HPMC, he ngoikore te pupuri wai o te HPMC, ka puta hoki te maturuturunga o te paura. Mō ngā take motuhake, tirohia te pātai 9.
13, he aha te rerekētanga i waenganui i te momo wai matao wairewa hydroxypropyl methylcellulose me te momo wairewa wera i roto i te tukanga whakaputa?
– A : Ko te momo HPMC wairewa-matao, i muri i te maimoatanga mata glyoxal, ka tere te marara ki te wai matao, engari kāore i tino rewa, ka piki ake te matotoru, ka rewa. Ko te momo wairewa-wera kāore i rongoatia ki te mata ki te glyoxal. He nui te rōrahi o te glyoxal, he tere te marara, engari he puhoi te matotoru, he iti te rōrahi, he rerekē.
14, kei te kakara te hydroxypropyl methyl cellulose (HPMC) o te aha kei te tupu?
– Whakautu: Ko te HPMC i hangaia mā te tikanga whakarewa he mea hanga ki te toluene me te waipiro isopropyl hei whakarewa. Mēnā kāore i te tino pai te horoinga, ka toe tonu te reka.
15, ngā whakamahinga rerekē, me pēhea te whiriwhiri i te hydroxypropyl methyl cellulose (HPMC) tika?
– Whakautu: Te paninga o te paura putty: he iti ake te hiahia, ko te matotoru he 100 mano, he pai, ko te mea nui kia pai ake te pupuri i te wai. Te paninga o te moata: he teitei ake te hiahia, ko te matotoru teitei te hiahia, me pai ake te 150 mano. Te paninga o te kāpia: me whai hua tere, matotoru teitei.
16, he aha te ingoa kē atu o te hydroxypropyl methylcellulose?
A: Hydroxypropyl Methyl Cellulose, Ingarihi: Hydroxypropyl Methyl Cellulose whakarāpopototanga: HPMC, MHPC rānei ingoa kē: Hydroxypropyl Methyl Cellulose; Cellulose hydroxypropyl methyl ether; Cellulose Hypromellose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl Methyl ether Hyprolose.
17, HPMC i roto i te tono o te paura putty, he aha te take o te mirumiru paura putty?
E toru ngā mahi a te HPMC i roto i te paura putty, te whakamātotoru, te pupuri wai me te hanganga. Kāore e uru ki tētahi tauhohenga. Ko te take mō ngā mirumiru: 1, he nui rawa te wai e ringihia ana. 2, kāore te raro i te maroke, kei runga ka waruhia he paparanga, he ngāwari hoki te mirumiru.
18. He aha te paura putty mō ngā pakitara o roto, o waho hoki?
– Whakautu: paura putty ātete-wai mō te pakitara o roto: 750~ 850KG o te konupūmā taumaha, 150~250KG o te konupūmā hina, 4~5KG o te cellulose ether, me te 1~2KG o te paura waipiro polyvinyl ka taea te tāpiri tika; paura putty pakitara o waho: sima mā 350KG, konupūmā taumaha 500-550kg, konupūmā hina 100-150kg, paura rapa 8-12kg, cellulose ether 5KG, muka rakau 3KG.
19. He aha te rerekētanga i waenganui i te HPMC me te MC?
– Ko te MC mō te methyl cellulose, ko te miro kua whakapaia i muri i te maimoatanga alkali, me te methane chloride hei kaihoko etherification, mā roto i te raupapa o ngā tauhohenga me te cellulose ether. Ko te tikanga, ko te tohu o te whakakapinga he 1.6~2.0, ā, ka rerekē te wairewa i runga i te tohu o te whakakapinga. He 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 o te whakarewa. Ko te nuinga o te wā ka tāpirihia he nui, he iti te pai, he matotoru, he tere pupuri wai teitei. I roto i ēnei, ko te nui o te tāpiri ki te tere pupuri wai te mea nui rawa atu te pānga, ko te matotoru me te taumata o te tere pupuri wai kāore i te rite ki te whanaungatanga. 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 mea kua whakahuatia ake nei, he teitei ake te tere pupuri wai o te cellulose ether, te methyl cellulose me te hydroxypropyl methyl cellulose.
(2) Ka taea te whakarewa i te methyl cellulose ki te wai matao, engari ka uaua te wai wera kua whakarewahia, ā, he tino pumau tōna wairewa wai i te awhe pH=3~12. He pai te hototahitanga 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. I konei, ko te "piri" e pā ana ki te kaha piri e pā ana ki te taputapu tono a te kaimahi me te papa pakitara, arā, te ātete kutikuti o te moata. He nui te āhuatanga piri, he nui te ātete kutikuti o te moata, ā, he nui hoki te kaha e hiahiatia ana e ngā kaimahi i te wā e whakamahia ana, nō reira he ngoikore te āhuatanga hanganga o te moata.
I roto i ngā hua cellulose ether, he taumata waenga te piri o te methyl cellulose. Ko te HPMC mō te hydroxypropyl methyl cellulose, he mea hanga ki te miro kua whakapaia i muri i te maimoatanga alkaliization, me te propylene oxide me te chloromethane hei kaihoko etherifying, mā roto i te raupapa o ngā tauhohenga, ā, he mea hanga ki te cellulose kore-ionic i konatunatua ki te ether. Ko te tohu whakakapinga he 1.2~2.0 te tikanga. Ko ōna āhuatanga ka pāngia e te ōwehenga o te ihirangi methoxy me te ihirangi hydroxypropyl.
(1) Ka raru pea te wairewa o te hydroxypropyl methyl cellulose i roto i te wai matao, engari ka rewa i roto i te wai wera. Engari he nui ake te pāmahana o te wairewa i roto i te wai wera i tērā o te methyl cellulose. Ka tino pai ake hoki te wairewa o te methyl cellulose i roto i te wai matao.
(2) e pā ana te matotoru o te hydroxypropyl methyl cellulose ki tōna taumaha ngota, ā, ko te taumaha ngota nui ko te matotoru teitei. Ka pā anō te pāmahana ki tōna matotoru, ka piki te pāmahana, ka heke te matotoru. Heoi, he iti iho te matotoru o te pāmahana teitei i tō te methyl cellulose. He pumau te otinga ina rongoatia ki te pāmahana rūma.
(3) He pumau te hydroxypropyl methyl cellulose ki te waikawa me te alkali, ā, he tino pumau tōna otinga wai i roto i te awhe pH=2~12. Kāore he pānga nui o te houra kautika me te wai raima ki ōna āhuatanga, engari ka taea e te alkali te whakatere i tōna tere whakarewa me te whakapai ake i te matotoru o te pine. He pumau te hydroxypropyl methyl cellulose ki ngā tote whānui, engari ina teitei te kukū o te otinga tote, ka piki ake te matotoru o te otinga hydroxypropyl methyl cellulose.
(4) Ko te pupuri wai o te hydroxypropyl methyl cellulose e whakawhirinaki ana ki te nui o tōna tāpiri, te matotoru, me ētahi atu, ko te nui o te tere pupuri wai he teitei ake i te methyl cellulose.
(5) Ka taea te whakaranu i te hydroxypropyl methyl cellulose ki ngā matū polymer wairewa-wai kia puta ai he otinga ōrite, he matotoru ake. Pērā i te waipiro polyvinyl, te māngaro ether, te kapia tipu 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 whākōkī o te hydroxypropyl methyl cellulose i te methyl cellulose, ā, he iti ake te tūponotanga o te pakaru whākōkī o tana otinga i tērā o te methyl cellulose.
20, ko te whanaungatanga i waenga i te matotoru me te pāmahana o te HPMC, me aro atu ki tēnei i roto i te mahi?
– Whakautu: He rerekē te matotoru o te HPMC ki te pāmahana, arā, ka piki ake te matotoru me te hekenga o te pāmahana. Ina kōrero tātou mō te matotoru o tētahi hua, ko te hua o te ine i tana wairewa 2% i te pāmahana o te 20 nekehanga Celsius. I roto i te whakamahinga mahi, i ngā wāhi he nui te rerekētanga pāmahana i waenga i te raumati me te takurua, me aro ki te taunakitanga kia whakamahia he matotoru iti ake i te takurua, he pai ake mō te hanga. Ki te kore, ina iti te pāmahana, ka piki ake te matotoru o te cellulose, i te wā e waruhia ana, ka taumaha te ahua. Ko te matotoru waenga :75000-100000 e whakamahia ana mō te putty: he pai te pupuri wai, he matotoru teitei :150000-200000 e whakamahia ana mō ngā matūriki polystyrene, te whakamahana wera, te kāpia, te paura, me ngā pirepire karāhe, te whakamahana wera. Take: he matotoru teitei, kāore e ngawari te maturuturu o te pungarehu ki te moata, ka iri te rere, ka pai ake te hanganga. Engari i te nuinga o te wā, ka nui ake te matotoru, ka pai ake te pupuri wai, nō reira he maha ngā wheketere moata maroke e whakaaro ana ki te utu, me te cellulose matotoru-waenga (75,000-100000) hei whakakapi i te cellulose matotoru-iti (20,000-40000) hei whakaiti i te nui o te tāpiri.
Te wā tuku: Hui-tanguru-05-2024