Ko te Hydroxypropyl methylcellulose (HPMC) he ether cellulose kore-ionic i hangaia mai i te rauemi polymer tūturu cellulose mā roto i te raupapa o ngā tukanga matū. He paura ma, kāore he kakara, kāore he reka, kāore hoki he paitini, ka pupuhi hei wairewa colloidal mārama, paku kapua rānei i roto i te wai matao. He āhuatanga whakamātotoru, here, horapa, whakaemulsifying, hanga kiriata, whakatārewatanga, mimiti, whakapūmau, papaki, pupuri makuku me te tiaki colloid. Ka taea te whakamahi i te Hydroxypropyl methyl cellulose me te methyl cellulose ki ngā rauemi hanga, te ahumahi peita, te kapia hangai, te ahumahi uku, te rongoā, te kai, te kakahu, te ahuwhenua, te matū o ia rā me ētahi atu ahumahi.
Ko te whakamahinga matua o te hydroxypropyl methylcellulose HPMC i roto i ngā rauemi hanga:
1. Pāreti sima
⑴ Whakapai ake i te ōritetanga, kia māmā ake te parai i te parai, kia ātete ki te totohu, kia pai ake te rere me te kaha ki te papu, me te whakapai ake i te pai o te mahi.
⑵ He nui te pupuri wai, ka roa ake te wā rokiroki o te moata, ka whakapai ake i te pai o te mahi, ā, ka āwhina i te whakamakuku me te whakapakeketanga o te moata kia puta ai he kaha miihini teitei.
⑶ Whakahaerehia te urunga mai o te hau hei whakakore i ngā kapiti i te mata paninga, hei hanga hoki i tētahi mata maeneene tino pai.
2. Ngā hua paraikete me te paraikete i hangaia ki te gypsum
⑴ Whakapai ake i te ōritetanga, kia māmā ake te parai i te parai, kia ātete ki te totohu, kia pai ake te rere me te kaha ki te papu, me te whakapai ake i te pai o te mahi.
⑵ He nui te pupuri wai, ka roa ake te wā rokiroki o te moata, ka whakapai ake i te pai o te mahi, ā, ka āwhina i te whakamakuku me te whakapakeketanga o te moata kia puta ai he kaha miihini teitei.
⑶ Whakahaerehia te matotoru o te moata kia puta he paninga mata tino pai.
3. Moata pereki
⑴ Whakapai ake i te piri ki te mata o te pereki, kia mau tonu te wai, kia kaha ake hoki te moata.
⑵ Whakapai ake i te hinu whakahinuhinu me te kirihou, me te whakapai ake i te hanganga; he māmā ake te hanga i te moata i whakapaitia e te cellulose ether, ka penapena i te wā hanga me te whakaiti i ngā utu hanga.
⑶ He matū cellulose ether tino-teitei e pupuri ana i te wai, he pai mō ngā pereki mimiti-wai.
4. Whakakī hononga pereti
⑴He tino pai te pupuri wai, te roa o te wā whakatuwheratanga me te whakapai ake i te pai o te mahi. He nui te hinu whakahinuhinu, he māmā ake te whakaranu.
⑵ Whakapai ake i te ātete ki te mimiti me te ātete ki te pakaru, whakapai ake i te kounga o te mata paninga.
⑶ Whakapai ake i te piri o te mata piri, ā, ka maeneene, ka maeneene hoki te kakano.
5. Piripiri taera
⑴He māmā te whakamaroke i ngā kai whakaranu, kāore e kohikohi, ka tere ake te tono, ka pai ake te mahi hanga, ka penapena wā mahi me te whakaiti i te utu mahi.
⑵ Mā te whakaroa i te wā whakatuwheratanga, ka taea te whakapai ake i te whai huatanga o te tāera, ā, ka taea te whakarato i te pānga piri pai.
6. Rauemi papa whakaōrite-ake
⑴He matotoru, ā, ka taea te whakamahi hei tāpiri ārai-whakapūmau.
⑵Whakarei ake i te kaha o te papu o te rere me te whakapai ake i te whai huatanga o te whakatakoto i te whenua.
⑶ Whakahaere i te pupuri me te mimiti o te wai, whakaitihia ngā kapiti me te mimiti o te whenua.
7. Peita wai
⑴Ārai i te ua totoka, ā, whakaroa i te roa o te ora o te hua i roto i te ipu. He pumau koiora teitei, he hototahitanga pai ki ētahi atu wāhanga.
⑵ Whakapai ake i te rere o te wai, whakarato i ngā āhuatanga pai mō te ārai i te tauhiuhi, te ārai i te totohu me te whakataurite, ā, kia tino pai te āhua o te mata.
8. Paura Pepapātū
⑴ Ka tere te memeha, kāore he puranga, he pai hoki mō te whakaranu.
⑵ e whakarato ana i te kaha here teitei.
9. Papa sima kua whakapūpūtia
⑴ He tino pai te piripono me te whakahinuhinu, ā, ka whakarei ake i te ngāwari o te miihini o ngā hua kua whakaputaia.
⑵ Whakapai ake i te kaha matomato, whakatairanga i te makuku me te pānga whakaora, me te whakanui ake i te hua.
10. Ngā hua HPMC mō te moata kua oti te whakaranu
He pai ake te pupuri wai o te hua HPMC e whakamahia ana mō te moata kua oti te whakaranu i ngā hua noa i roto i te moata kua oti te whakaranu, e whakarite ana i te makuku o ngā rauemi sima kore-waro, ā, e ārai ana i te whakahekenga o te kaha o te here i puta mai i te maroke nui me te pakaru i puta mai i te whakaiti maroke. He pānga hopu hau anō hoki tō te HPMC. He nui ngā mirumiru hau iti, ōrite, me te rite o te hua HPMC e whakamahia ana mō te moata kua oti te whakaranu, e tika ana mō te hau, ka taea te whakapai ake i te kaha me te whakangawari o te moata kua oti te whakaranu. He pānga whakaroa tō te hua HPMC e whakamahia ana mō te moata kua oti te whakaranu, ka taea te whakaroa i te wā whakatuwheratanga o te moata kua oti te whakaranu me te whakaiti i te uauatanga o te hanga. Ko te Hydroxypropyl methylcellulose (HPMC) he ether cellulose kore-ionic i hangaia mai i te rauemi polymer taiao cellulose mā roto i te raupapa o ngā tukanga matū. He paura ma kore kakara, kore reka, kore paitini hoki e pupuhi ana hei wairewa colloidal mārama, paku kapua rānei i roto i te wai matao. He āhuatanga whakamātotoru, here, marara, whakaemulsifying, hanga kiriata, whakatārewatanga, mimiti, whakapūmau, papaki, pupuri makuku me te tiaki colloid. Ka taea te whakamahi i te Hydroxypropyl methyl cellulose me te methyl cellulose i roto i ngā rauemi hanga, te ahumahi peita, te kapia hangai, te ahumahi uku, te rongoā, te kai, te kakahu, te ahuwhenua, te matū o ia rā me ētahi atu ahumahi.
Wā tuku: Hanuere-11-2023