1. He aha te whakamahinga matua o te cellulose?
HPMCE whakamahia whānuitia ana i roto i ngā rauemi hanga, ngā paninga, ngā kapia hangai, ngā uku, te rongoā, te kai, ngā kakahu, te ahuwhenua, ngā mea whakapaipai, te tupeka me ētahi atu ahumahi. Ka taea te wehewehe i te HPMC ki ngā momo ahumahi, ngā momo kai me ngā momo rongoā e ai ki te tono.
2. He maha ngā momo cellulose, ā, he aha ngā rerekētanga o ā rātou whakamahinga?
Ka taea te wehewehe i te HPMC ki te momo inamata (te tohu ingoa waitohu "S") me te momo rewa-wera. Ka tere te marara o ngā hua momo inamata ki te wai matao, ka ngaro atu ki roto i te wai. I tēnei wā, kāore he matotoru o te wai nā te mea ka marara noa te HPMC ki roto i te wai, kāore he rewa tūturu. Mō te 2 meneti pea (me te whakaoho), ka piki haere te matotoru o te wai, ka hanga he kōroiti matotoru mā mārama. Ko ngā hua rewa-wera, ina tūtaki ki te wai matao, ka tere te marara ki roto i te wai wera, ka ngaro atu i roto i te wai wera. Ina heke te pāmahana ki tētahi pāmahana (e ai ki te pāmahana tiēre o te hua), ka puta mārire te matotoru kia hanga rā anō he kōroiti matotoru mārama.
3. He aha ngā tikanga hei whakarewa i te cellulose?
1). Ka taea te tāpiri i ngā tauira katoa ki te rauemi mā te whakaranu maroke;
2). Mēnā me tāpiri tika ki te wairewa pāmahana noa, he pai ake te whakamahi i te momo wai matao hei whakamarara. E 1-30 meneti te roa o te wā hei whakamātotoru i muri i te tāpiri (whakaohokia, whakaohokia).
3). Ka whakaohokia ngā tauira noa i te tuatahi, ka whakamararatia ki te wai wera, kātahi ka whakarewaina ki te wai matao i muri i te whakaoho me te whakamatao;
4). Mena ka puta te whakakotahitanga i te wā e whakarewahia ana, nā te mea kāore i te rawaka te whakaoho, nā te mea rānei kua tāpirihia tika te tauira noa ki te wai matao. I tēnei wā, me whakaoho tere.
5). Mena ka puta he mirumiru i te wā e whakarewahia ana, ka taea te waiho kia tū mō te 2-12 hāora (ka whakatauhia te wā motuhake e te matotoru o te wairewa) ka tangohia rānei mā te mimiti, te pēhanga, me ētahi atu, ā, ka taea hoki te tāpiri i te nui e tika ana o te kaihoko whakakore huka.
4. Me pēhea te aromatawai i te kounga o te cellulose me te ngāwari 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 kaitāpiri mā ki te tukanga whakaputa, ka pā ki tōna kounga, engari he pai te mā o te nuinga o ngā hua pai.
2) Te ātaahua: Te ātaahua oHPMCko te tikanga he 80 mata me te 100 mata, he iti iho te 120 mata, he pai ake te pai ake o te angiangi.
3) Te tuku mārama: I muri i te whakatakotoranga o te HPMC ki roto i te wai hei hanga i tētahi kōroiti mārama, tirohia tōna tuku mārama. Ko te nui ake o te tuku mārama, ko te pai ake, e tohu ana he iti ake ngā mea kore e rewa i roto, ā, he pai te tuku o ngā tauhohenga poutū. He kino ake te tauhohenga whakapae, engari ehara i te mea he pai ake te kounga o te tauhohenga poutū i tērā o te tauhohenga whakapae, ā, he maha ngā āhuatanga hei whakatau 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. Ko te teitei ake o te taumaha motuhake, ko te teitei ake o te ihirangi hydroxypropyl i roto i te hua. Ko te teitei ake o te ihirangi hydroxypropyl, ko te pai ake o te pupuri wai.
5. E hia te nui o te cellulose i roto i te paura putty?
Ko te nui o te HPMC e whakamahia ana i roto i ngā mahi ka pāngia e te āhuarangi, te pāmahana, te kounga o te konupūmā pungarehu o te rohe, te hanganga o te paura putty me te kounga e hiahiatia ana e ngā kiritaki. He rerekētanga kei ngā wāhi rerekē, ko te tikanga, kei waenga i te 4-5 kg.
6. He aha te matotoru tika o te cellulose?
I te nuinga o te wā, he nui te paura putty 100,000, ā, he nui ake te hiahia mō te moata, ā, me 150,000 kia ngāwari ai te whakamahi. Heoi anō, ko te mahi nui rawa atu o te HPMC ko te pupuri wai, ā, muri iho ko te whakamātotoru. I roto i te paura putty, mena he pai te pupuri wai, ā, he iti te matotoru (7-8), ka taea anō 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, kāore he pānga o te matotoru ki te pupuri wai. nui.
7. He aha ngā tohu hangarau matua o te cellulose?
Te ihirangi hauwaiporoporo
Te ihirangi metil
matotoru
Pungarehu
Ngaronga i te whakamaroketanga
8. He aha ngā rauemi mata matua o te cellulose?
Ko ngā rauemi mata matua o te HPMC: te miro parakore, te methyl chloride, te propylene oxide, te wai konutai wai, me ētahi atu.
9. He aha te mahi matua o te whakamahinga o te cellulose ki te paura putty? He tauhohenga matū kei reira?
I roto i te paura putty, e toru ana mahi, arā, te whakamātotoru, te pupuri wai, me te hanga. Mō te whakamātotoru, ka taea e te cellulose te whakamātotoru kia iri, kia mau tonu te otinga kia ōrite, kia ātete hoki ki te totohu. Te pupuri wai: kia āta maroke te paura putty, ā, kia āwhina i te konupūmā pungarehu kia tauhohe i raro i te mahi a te wai. Te Hanganga: He pānga whakahinuhinu te cellulose, ka taea ai te hanga pai o te paura putty. Kāore te HPMC e whai wāhi ki ngā tauhohenga matū, engari he mahi āwhina noa iho.
10. He etera cellulose kore-ionic te cellulose, nō reira he aha te kore-ionic?
Ki te kī māmā noa iho, kāore ngā matū korekore e whai wāhi ki ngā tauhohenga matū.
He cellulose cationic te CMC (carboxymethyl cellulose), nō reira ka huri hei tōtiti ina tūtaki ki te konupūmā pungarehu.
11 He aha te pānga o te pāmahana tiēre o te cellulose?
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 ngaronga o te paura o te paura putty me te cellulose?
He whanaungatanga kei reira!!! Arā, ko te kore e mau te wai o te HPMC ka puta te ngaronga o te paura (ka pāngia te nui o ngā rauemi pēnei i te pungarehu, te konupūmā taumaha, me te sima, te pāmahana hanga, me te āhua o te pakitara).
13. He aha te rerekētanga i waenga i te cellulose wai matao inamata me te cellulose 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 haunga o te cellulose?
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 tonu te haunga. (Ko te whakaora i te haunga te tukanga matua o te haunga)
15. Me pēhea te whiriwhiri i te cellulose e tika ana mō ngā kaupapa rerekē?
Paura putty: me pupuri te wai kia nui, he ngāwari te hanga
Moata sima noa: me pupuri te wai kia nui, me ātete ki te pāmahana teitei, me te matotoru tonu
Te whakamahinga o te kāpia hanga: ngā hua inamata me te matotoru teitei. (te taumata e taunakitia ana
Moata gypsum: he nui te pupuri wai, he matotoru waenga me te iti, ka piki ake te matotoru inamata
16. He aha tētahi atu ingoa mō te cellulose?
E kiia ana ko HPMC, ko MHPC rānei, ko hypromellose rānei, ko cellulose hydroxypropyl methyl ether.
17. Te whakamahinga o te cellulose i roto i te paura putty, he aha te take o ngā mirumiru i roto i te paura putty?
I roto i te paura putty, e toru ngā mahi a te HPMC, arā, te whakamātotoru, te pupuri wai, me te hanga. Ko ngā take mō ngā mirumiru ko:
1. He nui rawa te wai e tāpirihia ana.
2. Kāore te paparanga o raro e maroke, waruhia tētahi atu paparanga ki runga, ā, ka māmā noa te pahuka.
18. He aha te rerekētanga i waenga i te cellulose 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 te raupapa o ngā tauhohenga. Ko te tikanga, ko te taumata o te whakakapinga he 1.6-2.0, ā, ka rerekē te wairewa i runga i ngā taumata rerekē o te whakakapinga. He rerekē, nō te cellulose ether kore-ionic.
(1) Ko te pupuri wai o te methylcellulose 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, he nui ake te pānga o te nui tāpiri ki te tere pupuri wai o te tangata. Kāore te matotoru e rite ana ki te tere pupuri wai. Ko te tere whakarewa e whakawhirinaki ana ki te mata o ngā matūriki cellulose. Te nui o te whakarerekētanga me te pai o te matūriki. I roto i ngā cellulose ethers o runga ake nei, he teitei ake te tere pupuri wai o te methyl cellulose me te Jinshuiqiao 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 hototahi ki te māngaro, me ētahi atu, me te maha o ngā surfactants. Ina tae te pāmahana whakapūkara, ka puta te whakapūkara.
(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 piki ake te pāmahana, ka kino ake te tere pupuri wai. Mena ka neke ake te pāmahana o te moata i te 40 nekehanga, ka tino heke te pupuri wai o te methyl cellulose, ka pā kino ki te hanganga o te moata.
(4)Mītirau pūtauHe pānga nui tēnei ki te hanganga me te piri o te moata. Ko te piri i konei e pā ana ki te kaha piri i waenganui i 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.
Wā tuku: Paenga-whāwhā-25-2024