Te otinga HPMC

1, he aha te whakamahinga matua o te hydroxypropyl methyl cellulose (HPMC)?

Whakautu:HPMCHe whānuitia te whakamahinga 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. E ai ki te whakamahinga, ka taea te wehewehe i te HPMC ki: te taumata hanga, te taumata kai me te taumata hauora. I tēnei wā, ko te nuinga o ngā mea hanga-kāinga he taumata hanga, ā, i te taumata hanga, he nui rawa te nui 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) ki ētahi momo, he aha te rerekētanga i waenga i tōna whakamahinga?

Whakautu: Ka taea te wehewehe i te HPMC ki ngā hua tere me te wairewa wera, ngā hua tere, i roto i te wai matao ka tere te marara, 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 memehatanga 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 whakakotahitanga wai matao, ka taea te noho ki roto i te wai wera, ka tere te marara, ka ngaro i roto i te wai wera, tae noa ki te hekenga o te pāmahana ki tētahi pāmahana, ka puta mārire te matotoru, tae noa ki te hanganga o te koroka matotoru mārama. Ko te momo wairewa wera ka taea anake te whakamahi i roto i te paura putty me te moata, i roto i te kāpia wai me te paninga, ka puta he āhuatanga whakakotahi, kāore e taea te whakamahi. Ko te tauira wairewa tere, he whānui ake te whānuitanga o te tono, ka taea te whakamahi i roto i te paura me te moata tamariki, ā, i roto i te kāpia wai me te paninga, ka taea te whakamahi katoa, kāore he tapu.

3, kei a rātou ēnei tikanga whakarewa hydroxypropyl methyl cellulose (HPMC)?

– whakautu: 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 wawetia i te wā e whakamatao ana, e rua ngā tikanga noa e whakaahuatia ana penei:

1) Whakakīia te ipu ki te wai wera e hiahiatia ana, ka whakamahana kia 70°C pea. Ka tāpirihia mārire te hydroxypropyl methyl cellulose me te whakaoho mārire, ā, ka mānu te HPMC i runga i te mata o te wai, kātahi ka hanga mārire he paraoa pokepoke, ka whakamataohia i te whakaoho.

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℃. Horoihia te HPMC kia rite ki te tikanga 1) hei whakarite i te para wai wera; Kātahi ka tāpirihia te toenga o te wai matao ki te para wai wera, ka whakamatao i te ranunga i muri i te whakaoho.

Tikanga whakaranu paura: Whakaranua katoatia te paura HPMC me te tini o ngā kai paura kē atu ki te mīhini whakaranu, kātahi ka tāpirihia he wai kia memeha. I tēnei wā, ka taea e te HPMC te memeha, kāore e taea te whakakotahi, nā te mea he iti noa te paura HPMC i ia kokonga, ka memeha tonu te wai. – Ka whakamahia tēnei tikanga e ngā kaihanga paura putty me te moata. [Hydroxypropyl methyl cellulose (HPMC) e whakamahia ana hei whakamātotoru me te pupuri wai i roto i te moata paura putty.

4, me pēhea te whakatau i te kounga o te hydroxypropyl methyl cellulose (HPMC) he māmā noa iho, he māmā hoki?

Whakautu: (1) te mā: ahakoa kāore e taea e te mā te whakatau mēnā he pai te HPMC, ā, mēnā ka tāpirihia ki te tukanga whakaputa he whakama, ka pā ki tōna kounga. Heoi, he pai te mā o te nuinga o ngā hua pai. (2) te pai: Ko te pai o te HPMC he 80 mesh me te 100 mesh, 120 mesh iti iho, ko te nuinga o te HPMC o Hebei he 80 mesh, ko te pai ake o te pai, ko te pai ake. (3) te tuku: ka tukuna 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 ngā mea kore e rewa i roto he iti ake. Ko te tuku o te tauhohenga poutū he pai te nuinga, ā, ko te tauhohenga whakapae he kino ake, engari ehara i te mea he pai ake te kounga o te whakaputanga o te tauhohenga poutū i te tauhohenga whakapae. He maha ngā āhuatanga hei whakatau i te kounga o te hua. (4) Te ōwehenga: ko te nui ake o te ōwehenga, ko te taumaha ko te pai ake. Nā te mea he nui te ihirangi o te hydroxyl propyl base i roto i te nuinga o te wā, he nui te ihirangi o te hydroxyl propyl base, he pai ake te tiaki i te wai.

5, he pai ake te matotoru o te hydroxypropyl methyl cellulose (HPMC)?

– whakautu: mēnā ka hoha koe ki te paura tamariki, he pai noa iho te 100 mano, ko ētahi he teitei ake i te whakaritenga i roto i te moata, e hiahia ana ki te 150 mano te kaha ki te whakamahi. Heoi anō, ko te HPMC te mahi nui rawa atu o te pupuri wai, ā, muri iho ko te whakamātotoru. I roto i te paura putty, mena he pai te pupuri wai, he iti te matotoru (7-80 mano), ka taea hoki, ko te tikanga, 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.

6, 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.

7, 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.

8, ko te mahi matua a te HPMC i roto i te tono o te paura putty, ko te puta mai o te matū?

Whakautu: HPMC i roto i te paura putty, 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 te mahi a te aukati-rere. Pupuri wai: kia maroke mārire te paura putty, ka āwhina te konupūmā hina i roto i te mahi a te tauhohenga wai. Hanganga: whakahinuhinu cellulose, ka taea te hanga paura putty he hanganga pai. Kāore te HPMC e whai wāhi ki ngā tauhohenga matū, engari he mahi tautoko anake. Ko te paura putty 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 paura putty 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 te hanganga matua o te paura konupūmā hina he ranunga o Ca(OH)2,CaO me te iti o CaCO3,CaO+H2O=Ca(OH)2 — Ca(OH)2+CO2=CaCO3↓+H2O. I raro i te mahi a te CO2, te konupūmā kāponāte, me te wai HPMC anake, ka āwhina i te konupūmā hina kia pai ake te tauhohenga, kāore āna ake tauhohenga i uru ki tētahi tauhohenga.

9.HPMC kore-ionic cellulose ether, he aha te mea 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.

10. He aha te mea e pā ana ki te pāmahana o te tiēre o te hydroxypropyl methyl cellulose?

– Whakautu: Te pāmahana tiēre oHPMCe pā ana ki te ihirangi methoxyl, ka iti ake te ihirangi methoxyl ↓, ka teitei ake te pāmahana o te tiēre.

11, kāore he whanaungatanga i waenganui i te paura putty me te HPMC?

Whakautu: he hononga nui te paura pata 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 iti te hononga ki te HPMC, he ngoikore te pupuri wai o te HPMC, ka puta hoki te paura.

12, he aha te rerekētanga i waenga i te hydroxypropyl methyl cellulose me te wai matao me te wai 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.

13, he aha te kakara o 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.

14, ngā whakamahinga rerekē, me pēhea te whiriwhiri i te hydroxypropyl methyl cellulose (HPMC) tika?

– whakautu: ka hoha koe ki te paninga o te paura tamariki: he iti iho te whakaritenga, he 100 mano te matotoru, āe, he mea nui kia tiakina te wai kia tata ki. Paninga moata: he nui ake ngā whakaritenga, he nui te matotoru, he 150 mano kia pai ake. Paninga kāpia: te hiahia mō ngā hua tere, he nui te matotoru.

15. He aha te ingoa kē o te hydroxypropyl methyl cellulose?

– WHAKAUTU: Hydroxypropyl Methyl Cellulose, Whakarāpopototia ko HPMC, MHPC rānei, Hydroxypropyl Methyl Cellulose rānei; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether.

16.HPMC i roto i te tono o te paura putty, he aha te take o te mirumiru paura putty?

Whakautu: HPMC i roto i te paura putty, te whakamātotoru, te wai me te hanganga o ngā tūranga e toru. Kāore e whai wāhi 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.

17. 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 mō te 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.

18. He aha ngā mea hei aro atu ki te whakamahinga mahi o te whanaungatanga i waenga i te matotoru me te pāmahana o te HPMC?

Whakautu: TE matotoru oHPMChe rite whakahuri 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.

Ko te matotoru teitei: 150000-200000 e whakamahia ana mō te moata whakamahana matūriki polystyrene paura rapa me te moata whakamahana piripiri whakakoi.

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 cellulose matotoru reo (75000-100000) hei whakakapi i te cellulose matotoru reo me te matotoru iti (20000-40000) hei whakaiti i te nui o te tāpiri.