1. He aha te whakamahinga matua o te hydroxypropyl methylcellulose?
E whakamahia whānuitia ana te HPMC 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 tōna whakamahinga.
2. He maha ngā momo hydroxypropyl methylcellulose. He aha ngā rerekētanga i waenganui i a rātou?
Ka taea te wehewehe i te HPMC ki te momo inamata (te tohu waitohu "S") me te momo wairewa-wera. Ka tere te marara o ngā hua momo inamata ki te wai matao, ka ngaro atu ki te wai. I tēnei wā, kāore he matotoru o te wai nā te mea ka marara noa te HPMC ki te wai, ā, kāore he otinga tūturu. I muri i te 2 meneti pea (i te whakaoho), ka piki haere te matotoru o te wai, ā, ka puta he kōroiti matotoru mārama. Ka tere te marara o ngā hua wairewa-wera, i roto i te wai matao, ki te wai wera, ka ngaro atu ki te wai wera. Ina heke te pāmahana ki tētahi pāmahana (e ai ki te pāmahana tiēre o te hua), ka puta haere te matotoru kia puta rā anō he kōroiti mārama, matotoru.
3. He aha ngā tikanga otinga hydroxypropyl methylcellulose?
1. Ka taea te tāpiri i ngā tauira katoa ki te rauemi mā te whakaranu maroke;
2. Me tāpiri tika ki te wai whakapūmau pāmahana noa. He pai ake te whakamahi i te momo wai matao. I muri i te tāpiritanga, ka matotoru i roto i te 10-90 meneti (whakaohokia, whakaohokia, whakaohokia)
3. Mō ngā tauira noa, whakaohokia, ka horahia ki te wai wera i te tuatahi, kātahi ka tāpirihia he wai matao kia memeha i muri i te whakaoho me te whakamatao.
4. Mena ka puta he whakakotahitanga, he takai rānei 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, whakaohokia kia tere.
5. Mena ka puta he mirumiru i te wā e whakarewahia ana, ka taea te waiho mō ngā haora 2-12 (ko te wā motuhake e whakawhirinaki ana ki te matotoru o te wairewa) ka taea rānei te tango mā te tango korehau, 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 hydroxypropyl methylcellulose mā te ngāwari me te mārama?
1. Te mā. Ahakoa kāore e taea e te mā te whakatau mena he pai te HPMC, ā, mā te tāpiri i ngā mea mā i te wā o te tukanga whakaputa ka pā ki tōna kounga, he pai te mā o te nuinga o ngā hua pai.
2. Te pai o te kiko: Ko te pai o te HPMC he 80 mata me te 100 mata te nuinga, i raro i te 120, ko te pai ake ko te pai ake.
3. Te whakawhiti mārama: Ka hangaia e te HPMC he kōroiti mārama i roto i te wai. Tirohia te whakawhiti mārama. Ko te nui ake o te whakawhiti mārama, ko te pai ake o te uruhanga, ko te tikanga he iti ake ngā matū kore e rewa i roto. He pai te nuinga o te tauhohenga poutū, ā, ka tukuna e te tauhohenga whakapae ētahi. Engari kāore e taea te kī he pai ake te kounga whakaputa o ngā kettle poutū i ērā o ngā kettle whakapae. 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. Ko te nui ake o te taumaha motuhake, ko te teitei ake o te ihirangi hydroxypropyl. Ko te tikanga, ko te teitei ake o te ihirangi hydroxypropyl, ko te pai ake o te pupuri wai.
5. E hia te nui o te hydroxypropyl methylcellulose e whakamahia ana i roto i te paura putty?
He rerekē te nui o te HPMC e whakamahia ana i ngā tono tūturu i ia wāhi, i te nuinga o te wā, kei waenga i te 4-5 kg, i runga i te āhuarangi o te taiao, te pāmahana, te kounga o te pungarehu konupūmā o te rohe, te tauira paura putty me ngā whakaritenga kounga a te kiritaki.
6. He aha te matotoru o te hydroxypropyl methylcellulose?
Ko te utu mō te paura putty he RMB 100,000 te nuinga, engari he nui ake ngā whakaritenga mō te moata. Ko te utu he RMB 150,000 kia ngāwari ai te whakamahi. Heoi anō, ko te mahi nui ake a 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 (7-8), ka taea anō hoki. Ko te tikanga, ko te nui ake o te matotoru, ko te pai ake o te pupuri wai. Ina neke ake te matotoru i te 100,000, he iti noa te pānga o te matotoru ki te pupuri wai.
7. He aha ngā tohu hangarau matua o te hydroxypropyl methylcellulose?
Te ihirangi hauwaiporoporo
Te ihirangi metil
matotoru
Pungarehu
te whakaheke taumaha maroke
8. He aha ngā rauemi mata matua o te hydroxypropyl methylcellulose?
Ko ngā rauemi mata matua o te HPMC: te miro kua parakore, te methyl chloride, te propylene oxide, ētahi atu rauemi mata, te konutai waikura, me te waikawa toluene.
9. He matū te whakamahinga me te mahi matua o te hydroxypropyl methylcellulose i roto i te paura putty?
I roto i te paura putty, e toru āna mahi nui: te whakamātotoru, te pupuri wai me te hanga. Ka taea e te whakamātotoru te whakamātotoru i te cellulose me te mahi i te mahi whakatārewatanga, te pupuri i te otinga kia ōrite ki runga, ki raro hoki, me te ārai i te totohu. Te pupuri wai: Ka puhoi ake te maroke o te paura putty, ā, ka āwhina i te konupūmā hina ki te tauhohe i raro i te mahi a te wai. Te Āhua Mahi: He pānga whakahinuhinu te cellulose, e pai ai te mahi o te paura putty. Kāore te HPMC e whai wāhi ki tētahi tauhohenga matū, ā, he mahi tautoko anake.
10. He etera cellulose kore-ionic te hydroxypropyl methylcellulose, nō reira he aha te momo kore-ionic?
I te nuinga o te wā, kāore ngā matū kore e whai wāhi ki ngā tauhohenga matū.
He cellulose cationic te CMC (carboxymethylcellulose) ka huri hei paru tōfu ina pāngia e te pungarehu konupūmā.
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 methoxyl i roto i te tiēre. Ka iti ake te nui o te methoxyl, ka teitei ake te pāmahana tiēre.
12. He hononga kei waenganui i te paura putty me te hydroxypropyl methylcellulose?
He mea nui tēnei! Kāore e pai te pupuri wai o te HPMC, ā, ka puta te paura.
13. He aha te rerekētanga o te tukanga whakaputa i waenga i te wai matao me te wai wera o te hydroxypropyl methylcellulose?
Ka tere te marara o te momo HPMC wai-wai matao ki roto i te wai matao i muri i te maimoatanga mata ki te glyoxal, engari kāore e memeha. Ka piki ake te matotoru, arā, ka memeha. Kāore te momo rewa wera e rongoatia mata ki te glyoxal. He nui te rahi o te glyoxal, ā, ka tere te marara, engari he puhoi te matotoru me te iti o te rōrahi, ā, ko te ritenga kē.
14. He aha te kakara o te hydroxypropyl methylcellulose?
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 horoia pai, ka toe mai he haunga. (Ko te whakakorenga me te hangarua he tukanga matua mō te haunga)
15. Me pēhea te whiriwhiri i te hydroxypropyl methylcellulose e tika ana mō ngā whakamahinga rerekē?
Paura putty: he nui te hiahia ki te pupuri wai, ā, he pai te whakamahinga o te hanga (waitohu e taunakitia ana: 7010N)
Moata sima noa: he nui te pupuri wai, he ātete pāmahana teitei, he matotoru tere (tohu e taunakitia ana: HPK100M)
Te whakamahinga o te piripiri hangahanga: hua tonu, matotoru teitei. (Waitohu e taunakitia ana: HPK200MS)
Moata gypsum: he nui te pupuri wai, he matotoru waenga-iti, he matotoru tere (tohu e taunakitia ana: HPK600M)
16. He aha te ingoa kē atu o te hydroxypropyl methylcellulose?
Ko te HPMC, ko te MHPC rānei, e mōhiotia ana ko te hydroxypropyl methylcellulose me te hydroxypropyl methylcellulose ether.
17. Te whakamahinga o te hydroxypropyl methylcellulose ki te paura putty. He aha te take e pahuka ai te paura putty?
E toru ngā mahi nui a te HPMC i roto i te paura putty: te whakamātotoru, te pupuri wai me te hanganga. Ko ngā take mō ngā mirumiru ko:
1. Tāpirihia he nui rawa te wai.
2. Ki te kore te raro e maroke, mā te waru i tētahi atu paparanga o runga ka ngawari te puta o ngā mirumiru.
18. He aha te rerekētanga i waenga i te hydroxypropyl methylcellulose me te MC:
Ko te MC, arā, te methyl cellulose, he mea hanga mai i te miro kua whakapaia i muri i te maimoatanga alkali, mā te whakamahi i te methane chloride hei etherifying agent, me te raupapa o ngā tauhohenga hei whakaputa i te cellulose ether. Ko te taumata whānui o te whakakapinga ko te 1.6-2.0, ā, he rerekē anō hoki te wairewa o ngā taumata rerekē o te whakakapinga. He 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, he nui te nui o te tāpiri, he iti te pai, he teitei te matotoru, ā, he teitei te tere pupuri wai. He nui te pānga o te nui o te tāpiri ki te tere pupuri wai, ā, kāore he pānga o te matotoru ki te tere pupuri wai. Ko te tere whakarewa e whakawhirinaki ana ki te nui o te whakarerekētanga o te mata me te pai o te matūriki o ngā matūriki cellulose. I roto i ngā cellulose ethers o runga ake nei, he nui ake te tere pupuri wai o te methylcellulose me te hydroxypropylmethylcellulose.
(2) Ka taea te whakarewa i te methyl cellulose ki te wai matao, engari ka uaua te whakarewa ki te wai wera. He tino pumau tōna wairewa i te awhe pH=3-12, ā, he pai te hototahi ki te māngaro me te maha o ngā surfactants. Ina tae te pāmahana ki te gel. Ina piki te pāmahana gelation, ka puta te gelation.
(3) Ka pā kino ngā panonitanga pāmahana ki te tere pupuri wai o te methylcellulose. 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 methylcellulose, ka pā kino ki te hanganga o te moata.
(4) He pānga nui tō te Methylcellulose ki te hanganga me te piri o te moata. Ko te piri i konei e pā ana ki te piri i waenganui i te taputapu tono a te kaimahi me te rauemi turanga pakitara, arā, te ātete kutikuti o te moata. He teitei te piri, he teitei te ātete kutikuti o te moata, ā, he teitei hoki te kaha e hiahiatia ana e ngā kaimahi i te wā e whakamahia ana, nō reira he ngoikore te mahi hanganga o te moata.
Wā tuku: Hanuere-31-2024