1, he aha te whakamahinga matua o te hydroxypropyl methyl cellulose (HPMC)?
HPMCHe whānuitia te whakamahinga i roto i ngā rauemi hanga, ngā paninga, ngā kapia hangai, ngā uku, te rongoā, te kai, te kakahu, te ahuwhenua, ngā mea whakapaipai, te 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. Ko ngā hua momo otinga tere, ka tere te marara ki 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 ki 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. Ko ngā hua wairewa wera, i roto i te wai matao, ka taea te marara tere ki 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 ki 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 Inamata, 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?
Tikanga whakarewa wai wera: Nā te mea kāore te HPMC e whakarewahia ki te wai wera, ka taea te horapa ōrite te HPMC o mua ki te wai wera, kātahi ka whakarewahia wawe ina whakamataohia, e rua ngā tikanga noa e whakaahuatia ana penei:
1) Ringihia te nui o te wai wera e hiahiatia ana ki roto i te ipu, ka whakamahana kia tata ki te 70℃. Tāpirihia mārire te hydroxypropyl methylcellulose me te whakaoho mārire, ka tīmata te HPMC ki te mānu i runga i te mata o te wai, kātahi ka hanga mārire he paraoa pokepoke, me te whakaoho mārire hei whakamatao i te paraoa pokepoke.
2), tāpirihia te nui e hiahiatia ana o te 1/3, 2/3 rānei o te wai ki roto i te ipu, ka whakamahana ki te 70℃, kia rite ki te tikanga o te 1), HPMC dispersion, te whakarite i te paru wai wera; Kātahi ka tāpirihia te toenga o te wai matao ki te paru wera, whakaohokia, ka whakamatao i te ranunga.
Tikanga whakaranu paura: Ka whakaranua te paura HPMC me te tini o ngā kai paura kē atu ki te mīhini whakaranu, ā, i muri i te tāpiri wai kia memeha, ka taea te memeha o te HPMC i tēnei wā, engari kāore e taea te piri, nā te mea ka memeha tonu te wai i ia kokonga iti, he iti noa te paura HPMC. – Kei te whakamahi ngā umanga hanga paura me te moata i tēnei tikanga. Ka whakamahia te Hydroxypropyl methyl cellulose (HPMC) hei whakamātotoru me te pupuri wai i roto i te moata paura moata.
4, me pēhea te māmā me te ngāwari ki te whakatau i te kounga o te hydroxypropyl methyl cellulose (HPMC)?
(1) te mā: ahakoa kāore e taea e te mā te whakatau mena he ngāwari te whakamahi i te HPMC, ā, ki te tāpirihia ki te tukanga whakaputa o te kaihoko 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 me te 100 mesh te tikanga, 120 iti iho te kaupapa, ko te nuinga o te HPMC he 80 mesh, ko te pai ake o te pai, ko te pai ake.
(3) te tuku: te hydroxypropyl methyl cellulose (HPMC) ki roto i te wai, ka hangaia he colloid mārama, ka kite i 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, engari ko te tauhohenga whakapae he kino ake, 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 taumaha ake, ko te pai ake. Ko te nui ake, i te nuinga o te wā nā te mea he nui te ihirangi o te hydroxypropyl, he nui te ihirangi hydroxypropyl, ka pai ake te pupuri wai.
5, te nui o te paura putty hydroxypropyl methyl cellulose (HPMC)?
Ko te horopeta o te HPMC i roto i te tono tūturu, i runga i te āhuarangi o te taiao, te pāmahana, te kounga o te pungarehu konupūmā ā-rohe, te tauira paura putty me te "kounga e hiahiatia ana e te kiritaki", he rerekē. I te nuinga o te wā, i waenga i te whā me te rima kirokaramu. 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.
6, he aha te nui o te matotoru e tika ana mō te hydroxypropyl methyl cellulose (HPMC)?
Kia HOHA KI TE PAURA TAMARIKI, HE 100 MANO TE WHĀNUI. 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 whakamātotoru. 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, 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)?
Ko te nui o te hauwaiporoporo me te matotoru, ko te nuinga o ngā kaiwhakamahi e āwangawanga ana 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, whanaunga (engari ehara i te tino), ā, he pai ake te whakamahi i ētahi i roto i te moata sima.
8, ko te hydroxypropyl methyl cellulose (HPMC) ngā rauemi mata matua?
Ko ngā rauemi mata matua o te Hydroxypropyl methyl cellulose (HPMC): te miro parakore, te chloromethane, te propylene oxide, ētahi atu rauemi mata, ngā papa alkali, te waikawa, te toluene, te waipiro isopropyl 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?
I te nuinga o te wā, ko te kore-ionic he mea kāore e ionize i roto i te wai. 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 noa (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?
E pā ana te pāmahana o te HPMC gel ki te nui o te methoxy, ko te iti o te nui o te methoxy ↓, ko te teitei ake o te pāmahana o te gel ↑.
12. He hononga kei waenganui i te paura putty me te HPMC?
He hononga nui tō 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. Mēnā he pānga ki te HPMC, he ngoikore te pupuri wai o te HPMC, ka puta hoki te maturuturunga o te paura. Mō ētahi 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?
Ko te momo HPMC wairewa-matao i muri i te maimoatanga mata glyoxal, ka tere te marara i roto i 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?
Ko te HPMC i hangaia mā te tikanga whakarewa he mea hanga ki te toluene me te waipiro isopropyl hei whakarewa. Ki te kore e tino pai te horoinga, ka toe tonu te reka.
15, ngā whakamahinga rerekē, me pēhea te whiriwhiri i te hydroxypropyl methyl cellulose (HPMC) tika?
Te WHAKAMAHINGA O TE paura putty: he iti ake te hiahia, he 100 mano te matotoru, he pai, ko te mea nui kia pai ake te pupuri i te wai. Te whakamahinga o te moata: he teitei ake te hiahia, he nui te matotoru, me pai ake te 150 mano. Te whakamahinga o te kāpia: me tere te hua, he nui te matotoru.
16, he aha te ingoa kē atu o te hydroxypropyl methylcellulose?
Hydroxypropyl Methyl Cellulose, Ingarihi: Hydroxypropyl Methyl Cellulose whakarāpopototanga: HPMC, MHPC rānei ingoa kē: Hydroxypropyl Methyl Cellulose; Cellulose hydroxypropyl methyl ether; Cellulose hydroxypropyl Methyl ether Hypromellose, 2-hydroxypropylmethyl 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?
Paura putty mō te pakitara o roto: 800KG o te konupūmā taumaha me te 150KG o te konupūmā hina (ka taea te tāpiri i te māngaro ether, te kakariki parakore, te oneone peng, te waikawa citric me te polyacrylamide)
Paura putty pakitara o waho: sima 350KG konupūmā taumaha 500KG onepu quartz 150KG paura rapa 8-12kg cellulose ether 3KG māngaro ether 0.5kg muka rakau 2KG
19. He aha te rerekētanga i waenganui i te HPMC me te MC?
Ko te MC he methyl cellulose, he miro kua whakapaia i muri i te maimoatanga alkali, me te methane chloride hei kaihoko etherification, mā roto i te raupapa o ngā tauhohenga hei hanga cellulose ether. 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. 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 kua konatunatua ki te ether. Ko te tohu whakakapinga he 1.2 ~ 2.0. 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.
He aha ngā mea hei aro atu mā te whakamahi i te whanaungatanga i waenga i te matotoru me te pāmahana o te HPMC?
He rerekē 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, ko te hua o te ine i tōna wairewa 2% i te pāmahana o te 20 nekehanga Celsius.
I roto i ngā mahi whaihua, i ngā wāhi he nui te rerekētanga o te pāmahana i waenganui i te raumati me te takurua, me aro nui ki te taunakitanga kia whakamahia he matotoru iti ake i te takurua, he pai ake hoki 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 āhua.
Matotoru waenga: 75000-100000 e whakamahia ana mō te putty
Take: he pai te pupuri wai
Ko te matotoru teitei: 150000-200000 e whakamahia ana mō ngā matūriki polystyrene, te paura moata whakamahana wera me ngā moata whakamahana wera o ngā pirepire karāhe.
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, 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.
Wā tuku: Hepetema-14-2022