1. He aha te whakamahinga matua o te hydroxypropyl methylcellulose (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 ngā momo hanga, ngā momo kai me ngā momo rongoā i runga i te kaupapa. I tēnei wā, ko te nuinga o ngā hua o te whare he momo hanga. I roto i te momo hanga, he nui te whakamahinga o te paura putty, tata ki te 90% e whakamahia ana mō te paura putty, ā, ko te toenga e whakamahia ana mō te moata sima me te kāpia.
2. He maha ngā momo hydroxypropyl methylcellulose (HPMC), ā, he aha ngā rerekētanga o ā rātou whakamahinga?
Ka taea te wehewehe i te HPMC ki te momo tere tonu me te momo whakarewa wera. Ka tere te marara o te hua momo tere tonu 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, kāore he whakarewa tūturu. Tata ki te 2 meneti, ka piki haere te matotoru o te wai, ka hanga he kōroiti matotoru mārama. Ko ngā hua rewa wera, ina tūtaki ki te wai matao, ka tere te marara o te wai wera ka ngaro i roto i te wai wera. Ina heke te pāmahana ki tētahi pāmahana, ka puta mārire te matotoru kia hanga he kōroiti matotoru mārama. Ka taea anake te whakamahi i te momo rewa wera ki te paura putty me te moata. I roto i te kāpia wai me te peita, ka puta he āhuatanga rōpū, ā, kāore e taea te whakamahi. He whānui ake ngā tono o te momo tere tonu. 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.
3. He aha ngā tikanga whakarewa o te hydroxypropyl methylcellulose (HPMC)?
Tikanga whakarewa wai wera: Nā te mea kāore te HPMC e whakarewa i te wai wera, ka taea te horapa ōrite te HPMC ki te wai wera i te tīmatanga, kātahi ka whakarewa wawe ina whakamatao. 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 70°C pea. I tāpirihia mārire te hydroxypropyl methylcellulose me te whakaoho mārire, i te tīmatanga ka mānu te HPMC ki runga i te mata o te wai, kātahi ka hanga mārire hei paraoa pokepoke, ka whakamataohia i te wā e whakaoho ana.
2), tāpirihia te 1/3, te 2/3 rānei o te nui o te wai e hiahiatia ana ki roto i te ipu, ka whakamahana ki te 70°C, ka whakamararatia te HPMC kia rite ki te tikanga o te 1), ka whakarite i te parai wai wera; kātahi ka tāpirihia te toenga o te wai matao ki te parai wai wera, ka whakamataohia te ranunga i muri i te whakaoho.
Tikanga whakaranu paura: 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 te HPMC i tēnei wā me te kore e whakaemi, nā te mea he iti noa te HPMC i roto i ia kokonga iti. Ka memeha tonu te paura ina pā ki te wai. ——Kei te whakamahi ngā kaihanga paura me te moata i tēnei tikanga. [Ka whakamahia te Hydroxypropyl methylcellulose (HPMC) hei whakamātotoru me te pupuri wai i roto i te moata paura moata. ]
4. Me pēhea te aromatawai i te kounga o te hydroxypropyl methylcellulose (HPMC) i roto i te huarahi māmā me te mārama?
(1) Te Mā: Ahakoa kāore e taea e te mā te whakatau mena he ngāwari te whakamahi i te HPMC, ā, ki te tāpirihia he kaimā i te wā o te tukanga whakaputa, ka pā ki tōna kounga. Heoi, he pai te mā o te nuinga o ngā hua pai.
(2) Te Maeneene: Ko te maeneene o te HPMC he 80 mata me te 100 mata te tikanga, ā, he iti iho te 120 mata. Ko te nuinga o ngā HPMC e hangaia ana i Hebei he 80 mata. Ko te maeneene o te maeneene, i te nuinga o te wā, ko te pai ake.
(3) Te whakawhiti mārama: tāpirihia te hydroxypropyl methylcellulose (HPMC) ki roto i te wai hei hanga i tētahi colloid mārama, ka tirohia tōna whakawhiti mārama. Ko te nui ake o te whakawhiti mārama, ko te pai ake, e tohu ana he iti ake ngā mea kore-rewa i roto. He pai te urunga o ngā tauhohenga poutū, ā, he kino ake te urunga o ngā tauhohenga whakapae, engari ehara i te mea he pai ake te kounga o ngā tauhohenga poutū i te kounga o ngā tauhohenga whakapae, ā, he maha ngā āhuatanga e whakatau ana i te kounga o te hua.
(4) Taumaha motuhake: Ko te nui ake o te taumaha motuhake, ko te taumaha ake, ko te pai ake. He nui te motuhaketanga, i te nuinga o te wā nā te mea he nui te ihirangi o te rōpū hydroxypropyl i roto, ā, he nui te ihirangi o te rōpū hydroxypropyl, he pai ake te pupuri wai.
5. He aha te nui o te hydroxypropyl methylcellulose (HPMC) i roto i te paura putty?
Ko te nui o te HPMC e whakamahia ana i roto i ngā mahi mahi ka rerekē 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". I te nuinga o te wā, i waenga i te 4 kg me te 5 kg. Hei tauira: ko te nuinga o te paura putty i Beijing he 5 kg; ko te nuinga o te paura putty i Guizhou he 5 kg i te raumati me te 4.5 kg i te takurua; he iti noa te nui o te putty i Yunnan, ko te nuinga he 3 kg ki te 4 kg, me ētahi atu.
6. He aha te matotoru tika o te hydroxypropyl methylcellulose (HPMC)?
Ko te utu mō te paura putty he 100,000 yuan te nuinga, ā, he nui ake ngā whakaritenga mō te moata, ā, e 150,000 yuan te utu e hiahiatia ana mō te whakamahinga ngāwari. Heoi anō, ko te mahi nui rawa atu 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 i te wai, ā, he iti te matotoru (70,000-80,000), ka taea hoki. Ko te tikanga, ko te teitei ake o te matotoru, ko te pai ake o te pupuri wai whanaunga. Ina neke atu te matotoru i te 100,000, ka pā te matotoru ki te pupuri wai. Kāore e nui rawa atu.
7. He aha ngā tohu hangarau matua o te hydroxypropyl methylcellulose (HPMC)?
Ko te nui o te hauwaiporoporo me te matotoru, he āwangawanga te nuinga o ngā kaiwhakamahi mō ēnei tohu e rua. Ko te hunga he nui te hauwaiporoporo he pai ake te pupuri wai. Ko te mea he nui te matotoru he pai ake te pupuri wai, he āhua noa (ehara i te tino), ā, ko te mea he nui te matotoru he pai ake te whakamahi i roto i te moata sima.
8. He aha ngā rauemi matua o te hydroxypropyl methylcellulose (HPMC)?
Ko ngā rauemi mata matua o te hydroxypropyl methylcellulose (HPMC): te miro parakore, te methyl chloride, te propylene oxide, me ētahi atu rauemi mata, te konutai waikura, te waikawa, te toluene, te isopropanol, me ētahi atu.
9. He aha te mahi matua o te whakamahinga o te HPMC ki te paura putty, ā, ka puta mai i te taha matū?
I roto i te paura putty, e toru ngā mahi a te HPMC, arā, te whakamātotoru, te pupuri wai, me te hanga. Te whakamātotoru: Ka taea te whakamātotoru i te cellulose hei whakairi me te pupuri i te otinga kia ōrite ki runga, ki raro hoki, ā, kia ātete hoki ki te totohu. Te pupuri wai: kia āta maroke te paura putty, ā, kia āwhina i te pungarehu o te konupūmā kia tauhohe i raro i te mahi a te wai. Te Hanganga: He pānga whakahinuhinu tō 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. He tauhohenga matū te tāpiri wai ki te paura putty me te whakatakoto ki te pakitara, nā te mea ka puta he matū hou. Ki te tangohia e koe te paura putty i te pakitara mai i te pakitara, ka hurihia hei paura, 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.
10. He etera cellulose kore-ionic te HPMC, nō reira he aha te kore-ionic?
Ki te kīanga māmā noa, ko ngā mea kore-iona he matū kāore e iona i roto i te wai. Ko te iona e pā ana ki te tukanga e wehea ai te electrolyte ki ngā iona kua utua ka taea te neke noa i roto i tētahi whakarewa motuhake (pēnei i te wai, te waipiro). Hei tauira, ko te konutai pūhaumāota (NaCl), te tote e kainga ana e tātou i ia rā, ka rewa ki te wai ka iona hei whakaputa i ngā iona konutai (Na+) neke noa he utu pai me ngā iona pūhaumāota (Cl) he utu kino. Arā, ina whakanohoia te HPMC ki roto i te wai, e kore e wehea hei iona kua utua, engari kei roto i te āhua o ngā ngota.
11. He aha te pānga o te pāmahana tiēre o te hydroxypropyl methylcellulose?
E pā ana te pāmahana tiēre o te HPMC ki te nui o te methoxy i roto i tōna tinana, ko te iti o te nui o te methoxy ↓, ko te teitei ake o te pāmahana tiēre ↑.
12. He hononga kei waenganui i te maturuturunga iho o te paura putty me te HPMC?
Ko te ngaronga o te paura o te paura putty e pā ana ki te kounga o te konupūmā pungarehu, ā, kāore he 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 kore e pai te pupuri wai o te HPMC, ka puta hoki te ngaronga o te paura. Mō ngā take motuhake, tirohia te pātai 9.
13. He aha te rerekētanga i waenga i te momo wai matao inamata me te momo hydroxypropyl methylcellulose wairewa-wera i roto i te tukanga whakaputa?
Ko te momo HPMC wai matao inamata ka pania 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 pania ki te glyoxal. Mena he nui te nui o te glyoxal, ka tere te marara, engari ka āta piki te matotoru, ā, ki te iti te nui, ka rerekē te āhua.
14. He aha te kakara o te hydroxypropyl methylcellulose (HPMC)?
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.
15. Me pēhea te whiriwhiri i tētahi hydroxypropyl methylcellulose (HPMC) e tika ana mō ngā kaupapa rerekē?
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.
16. He aha te ingoa kē o te hydroxypropyl methylcellulose?
Hydroxypropyl methyl cellulose, Ingarihi: Hydroxypropyl Methyl Cellulose Whakarāpopototanga: HPMC, MHPC rānei Ingoa Ingoa: hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
17. He aha te take o ngā mirumiru i roto i te paura putty i te whakamahinga o te HPMC?
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. Ngā take mō ngā mirumiru: 1. Ringihia he nui rawa te wai. 2. Kāore te paparanga o raro i te maroke, waruhia tētahi atu paparanga ki runga, ā, ka ngāwari te pahuka.
18. He aha te tikanga o te paura putty mō ngā pakitara o roto, o waho hoki?
Paura putty pakitara o roto: konupūmā taumaha 800KG, konupūmā pungarehu 150KG (mārika etera, matomato parakore, oneone Pengrun, waikawa citric, polyacrylamide, me ētahi atu ka taea te tāpiri tika)
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 mea hanga mai i te cellulose ether mā te rongoā i te miro kua whakapaia ki te kawakore, te whakamahi i te methane chloride hei kaihoko etherification, me te whai i tētahi raupapa o ngā tauhohenga. Ko te tikanga, ko te taumata o te whakakapinga he 1.6~2.0, ā, he rerekē anō hoki te wairewatanga me ngā taumata rerekē o te whakakapinga. Nō te cellulose ether kore-ionic tēnei.
(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. I te nuinga o te wā, ki te nui te nui o te tāpiri, he iti te pai, ā, ki te nui te matotoru, he teitei te tere pupuri wai. I roto i ēnei, ko te nui o te tāpiri te mea nui rawa atu te pānga ki te tere pupuri wai, ā, kāore te taumata matotoru e rite tika ki te taumata pupuri wai. Ko te tere whakarewa e whakawhirinaki ana ki te nui o te whakarerekētanga mata o ngā matūriki cellulose me te pai o te matūriki. I roto i ngā cellulose ethers o runga ake nei, he nui ake ngā tere pupuri wai o te methyl cellulose me te hydroxypropyl methyl cellulose.
(2) Ka wairewa te Methylcellulose i roto i te wai matao, ā, he uaua ki te wairewa i roto i te wai wera. He tino pumau tōna wairewa wai i roto i te awhe pH=3~12. He pai te hototahitanga ki te māngaro, te kapia guar, me ētahi atu, me te maha o ngā surfactants. Ina tae te pāmahana ki te pāmahana gelation, ka puta te gelation.
(3) Ka pā kino ngā 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°C, ka tino heke te pupuri wai o te methyl cellulose, ka pā kino ki te hanganga o te moata.
(4) He pānga nui tō te methyl cellulose ki te hanganga me te piri o te moata. Ko te "piri" i konei e pā ana ki te kaha piri e pā ana ki te taputapu whakapiri a te kaimahi me te papa pakitara, arā, te ātete kutikuti o te moata. He teitei te 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, ā, he ngoikore te mahi hanganga o te moata. He taumata taurite te piri o te methyl cellulose i roto i ngā hua cellulose ether.
Ko te HPMC he hydroxypropyl methylcellulose, he ether whakaranu cellulose kore-ionic i hangaia mai i te miro kua whakapaia i muri i te alkaliization, ma te whakamahi i te propylene oxide me te methyl chloride hei kaihoko etherification, me te whakamahi i te raupapa o ngā tauhohenga. Ko te taumata o te whakakapinga he 1.2 ~ 2.0. He rerekē ōna āhuatanga nā te rerekētanga o te ōwehenga o te ihirangi methoxyl me te ihirangi hydroxypropyl.
(1) He ngāwari te wairewa o te Hydroxypropyl methylcellulose ki te wai matao, ā, ka uaua te wairewa ki te wai wera. Engari he nui ake te pāmahana o tōna wairewatanga i roto i te wai wera i tō te methyl cellulose. He nui ake hoki te pai o te wairewatanga i roto i te wai matao ki te whakaritea ki te methyl cellulose.
(2) E pā ana te matotoru o te hydroxypropyl methylcellulose ki tōna taumaha ngota, ā, ki te nui ake te taumaha ngota, ka teitei ake te matotoru. Ka pā anō te pāmahana ki tōna matotoru, i te pikinga o te pāmahana, ka heke te matotoru. Heoi, he iti ake te pānga pāmahana o tōna matotoru teitei i te methyl cellulose. He pumau tōna otinga ina rongoatia ki te pāmahana rūma.
(3) He pumau te Hydroxypropyl methylcellulose ki te waikawa me te alkali, 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 tōna mahi, engari ka taea e te alkali te tere ake i tōna memeha me te whakanui ake i tōna matotoru. He pumau te Hydroxypropyl methylcellulose ki ngā tote noa, engari ina teitei te kukū o te wairewa tote, ka piki ake te matotoru o te wairewa hydroxypropyl methylcellulose.
(4) Ko te pupuri wai o te hydroxypropyl methylcellulose e whakawhirinaki ana ki te nui o te tāpiri, te matotoru, me ētahi atu, ā, ko tōna tere pupuri wai i raro i te nui tāpiri kotahi he teitei ake i te methyl cellulose.
(5) Ka taea te whakaranu i te hydroxypropyl methylcellulose me ngā matū polymer wairewa-wai hei hanga i tētahi otinga ōrite, matotoru ake. Pērā i te waipiro polyvinyl, te māngaro ether, te kapia huawhenua, me ētahi atu.
(6) He nui ake te piri o te hydroxypropyl methylcellulose ki te hanganga moata i tō te methylcellulose.
(7) He pai ake te ātete o te Hydroxypropyl methylcellulose ki ngā whākōkī i te methylcellulose, ā, he iti ake te tūponotanga ka pakaruhia tōna otinga e ngā whākōkī i te methylcellulose.
20. 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. Ko te matotoru o tētahi hua e kōrerohia ana e tātou e pā ana ki te hua whakamātautau o tōna wairewa 2% i te pāmahana o te 20 nekehanga Celsius.
I roto i ngā mahi whaihua, me mōhio kei ngā wāhi he nui ngā rerekētanga pāmahana i waenga i te raumati me te takurua, me whakamahi i te matotoru iti i te takurua, he pai ake mō te hanga. Ki te kore, ina iti te pāmahana, ka piki ake te matotoru o te cellulose, ā, ka taumaha te pa o te ringa i te wā e waruhia ana.
Matotoru waenga: 75000-100000 e whakamahia ana mō te putty
Take: he pai te pupuri wai
Te matotoru teitei: 150000-200000. E whakamahia ana mō te moata whakamahana matūriki polystyrene, te paura rapa, me te moata whakamahana wera o ngā miro moroiti kua whakakikoruatia.
Take: He teitei te matotoru, kāore te moata e ngawari ki te taka, ki te piko, ā, kua 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, i runga i te utu, he maha ngā wheketere moata paura maroke e whakakapi ana i te cellulose matotoru reo me te matotoru iti (20000-40000) ki te cellulose matotoru reo (20000-40000) hei whakaiti i te nui o te tāpiri.
Wā tuku: Whiringa-ā-rangi 18-2022