01.Hydroxyethyl Cellulose
Hei matū horoi kore-ionic, ehara i te mea ko te whakatārewatanga anake te mahi a te hydroxyethyl cellulose, te whakamātotoru, te whakamarara, te whakapūmau, te here, te hanga kiriata, te pupuri wai me te whakarato i te colloid tiaki, engari kei a ia anō hoki ēnei āhuatanga:
1. Ka wairewa te HEC i te wai wera, i te wai matao rānei, ā, kāore e pupū ake i te pāmahana tiketike, i te wai kohua rānei, nō reira he whānuitia ngā āhuatanga wairewa me te matotoru, ā, kāore e wera te wai;
2. Ki te whakaritea ki te methyl cellulose me te hydroxypropyl methyl cellulose kua mōhiotia, ko te kaha marara o HEC te mea kino rawa atu, engari ko te colloid tiaki te mea tino kaha.
3. E rua ngā teitei ake o te kaha pupuri wai i tō te methyl cellulose, ā, he pai ake te whakahaere i te rere.
Ngā whakatūpato i te wā e whakamahia ana:
I te mea he paura, he totoka rānei te hydroxyethyl cellulose i maimoatia ki te mata, he ngāwari ki te whakahaere me te rewa ki te wai, mena ka mōhiotia ngā mea e whai ake nei.
1. I mua atu, ā, i muri i te tāpiri i te hydroxyethyl cellulose, me whakaoho tonu kia mārama rawa te wairewa.
2. Me āta tātari ki roto i te oko whakaranu. Kaua e tāpiri tika te hydroxyethyl cellulose kua hangaia hei puranga, hei pōro rānei ki roto i te oko whakaranu i roto i te nui, i te tika rānei.
3. He hononga nui tō te pāmahana wai me te uara pH o te wai ki te memeha o te hydroxyethyl cellulose, nō reira me aro nui ki tēnei.
4. Kaua rawa e tāpirihia ētahi matū kawakore ki te ranunga i mua i tete hauwaitoiretiri pūtauKa whakamahanatia te paura ki te wai. He mea āwhina te whakanui ake i te uara PH i muri i te whakamahanatanga mō te whakarewatanga.
Te whakamahinga o te HEC:
1. E whakamahia whānuitia ana hei whakamātotoru, hei tiaki, hei piri, hei whakaū me te tāpiri mō te whakarite i te whakaehu, te tiēre, te hinu whakahinuhinu, te hinu kiri, te kaihoko whakamārama kanohi, te suppository me te papa, e whakamahia ana hoki hei tiēre hydrophilic, ngā rauemi angaanga, te whakarite i ngā whakaritenga tuku-roa angaanga, ā, ka taea hoki te whakamahi hei whakaū i roto i te kai.
2. E whakamahia ana hei kaiwhakarahi i roto i te umanga kakahu, te here, te whakamātotoru, te whakaemulsifying, te whakaū me ētahi atu āwhina i roto i ngā rāngai hikohiko me te umanga māmā.
3. Whakamahia hei whakamātotoru me te whakaiti i te tātari mō te wai keri wai me te wai whakaoti, ā, he mārama te pānga whakamātotoru i roto i te wai keri wai tote. Ka taea hoki te whakamahi hei kaiwhakahaere ngaronga wai mō te sima puna hinu. Ka taea te hono atu ki ngā katote konganuku maha-valent hei hanga i ngā kirikiri.
5. Ka whakamahia tēnei hua hei whakamarara mō ngā wai pakaru wai-kirikiri, te polystyrene me te polyvinyl chloride i roto i te hanga pakaru hinu. Ka taea hoki te whakamahi hei whakamātotoru i te emulsion i roto i te umanga peita, hei ātete tairongo haumākū i roto i te umanga hiko, hei aukati i te totohu o te sima me te kaihoko pupuri makuku i roto i te umanga hanga. He piripiri karaihe me te paraihe niho mō te umanga uku. He whānuitia hoki te whakamahinga i roto i te tā me te tae, te kakahu, te hanga pepa, te rongoā, te akuaku, te kai, te hikareti, ngā patu pepeke me ngā kaihoko tinei ahi.
02. Hydroxypropyl Methyl Cellulose
1. Te umanga paninga: Hei whakamātotoru, hei whakamarara me hei whakau i roto i te umanga paninga, he pai te hototahi ki te wai, ki ngā whakarewa waro rānei. Hei tango peita.
2. Te hanga uku: e whakamahia whānuitia ana hei here i roto i te hanga hua uku.
3. Ētahi atu: E whakamahia whānuitia ana hoki tēnei hua i roto i te hiako, te ahumahi pepa, te tiaki hua me te huawhenua me te ahumahi kakahu, me ētahi atu.
4. Tānga waituhi: hei whakamātotoru, hei whakamarara me hei whakau i roto i te umanga waituhi, he pai te hototahi ki te wai, ki ngā whakarewa waro rānei.
5. Kirihou: whakamahia hei whakarewa whakarewa, hei whakangawari, hei hinu whakahinuhinu, me ētahi atu.
6. Polyvinyl chloride: E whakamahia ana hei whakamarara i roto i te hanga o te polyvinyl chloride, ā, koia te kaihoko āwhina matua mō te whakarite i te PVC mā te whakapūhui whakatārewatanga.
7. Ahumahi hanga: Hei mea pupuri wai, hei mea whakaroa hoki i te moata sima, ka taea te papu i te moata. Ka whakamahia hei here i roto i te whakapiri parai, te gypsum, te paura putty, me ētahi atu rauemi hanga hei whakapai ake i te horapa me te whakaroa i te wā mahi. Ka whakamahia hei whakapiri mō ngā taera uku, te māpere, te whakapaipai kirihou, hei whakarei ake i te whakapiri, ā, ka taea hoki te whakaiti i te nui o te sima. Ko te pupuri wai o te hydroxypropyl methylcelluloseHPMCka taea te ārai i te pakaru o te paru nā te tere rawa o te maroke i muri i te paninga, ā, ka whakarei ake i te kaha i muri i te whakapakeketanga.
8. Ahumahi rongoā: ngā rauemi paninga; ngā rauemi kiriata; ngā rauemi pūmua whakahaere-tere mō ngā whakaritenga tuku-roa; ngā mea whakau; ngā kaihoko whakatārewatanga; ngā here papa; ngā mea whakakī.
Taiao:
1. Āhua: paura mā, paura mā-parauri rānei.
2. Rahi matūriki; he nui ake i te 98.5% te tere paahi 100 mata; he 100% te tere paahi 80 mata. Ko te rahi matūriki o te whakatakotoranga motuhake he 40~60 mata.
3. Te pāmahana whakapūngao: 280-300℃
4. Te mātotoru āhua: 0.25-0.70g/cm (te nuinga o te wā tata ki te 0.5g/cm), te taumaha motuhake 1.26-1.31.
5. Te pāmahana whakarerekētanga tae: 190-200℃
6. Te kukū o te mata: ko te 2% o te wairewa he 42-56dyn/cm.
7. Wairewatanga: wairewa ki te wai me ētahi whakarewa, pērā i te ōwehenga tika o te etanoru/wai, te propanol/wai, me ētahi atu. He kaha te mahi a ngā otinga wai ki te mata. He mārama teitei, he pumau hoki te mahi. He rerekē te pāmahana tiēre o ngā whakatakotoranga hua, ā, ka rerekē te wairewatanga me te matotoru. Ko te iti o te matotoru, ko te nui ake o te wairewatanga. He rerekē ngā āhuatanga o ngā whakatakotoranga rerekē o te HPMC. Kāore te uara pH e pāngia e te wairewatanga o te HPMC ki te wai.
8. I te hekenga o te ihirangi o te rōpū methoxy, ka piki ake te ira tiēre, ka heke te wairewatanga wai, ā, ka heke te ngohe o te mata o te HPMC.
9. HPMCkei a ia anō ngā āhuatanga o te kaha ki te whakamātotoru, te ātete ki te tote, te paura pungarehu iti, te pumau o te pH, te pupuri wai, te pumau o ngā āhuatanga, ngā āhuatanga hanga kiriata pai rawa atu, me te whānuitanga o te ātete ki ngā whākōkī, te marara me te piripono.
Wā tuku: Paenga-whāwhā-26-2024