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Hydroxypropyl methyl cellulose (HPMC)
Hydroxypropyl methyl cellulose, Whakakorehia te CellLose CellLose (HPMC hydroxypropylmetylcellulose, ko te whakamaoritanga) Ko te semi-simetictict, kaore i te kaha, ko te viscoelastic e whakamahia ana i te ophthalmology he kaikiri, he maamaa ranei i roto i nga rongoa a-waha, e kitea ana i roto i nga momo taonga. Ka taea te whakamahi i te celluxypropyl cellulose hei taapiri kai, te emulsifier, te hickener, te kaiwhakawhitiwhiti o te kararehe me te whakakapi Gelatin kararehe.
Tūemi Whakataetae Putanga Te paura ma Te pāmahana pāmahana 200tinan Te pāmahana heke 190-200 ℃ Manuhiri 400 Putanga PH 5 ~ 8 Tōnu 1.39G / CM3 Te pāmahana whakairo 280-300 ℃ Tuhinga Papa Kai Toka te manawa 99% Te taumahatanga o te mata 42-56dyne / cm mo te 2% otinga wai -
Hydroxypropyl methylcellose (mhpc)
Ko te methylcropyl methylcellulose (MHPC) he kakara, he koretake, he koretake-kore-paitini kua oti ke te awhiawhi hyrdroxyl mo te roopu methroxypropy. Ko te HPMC F60s he tohu tino nui e whakamahia ana hei tauira, ko te kiriata tuatahi i roto i nga agrochemicals, nga koti, nga kaimene, me etahi atu tono.
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Hydroxyethyl cellulose (hec)
Ko te CellDroxyethyl Cellulose (Hec) he koretake, he waikore te wai i roto i te raupapa matū me te tinana. otinga gels.When pH i roto i te otinga 2 ki te 12, ko te otinga he pumau tonu te roopu o te roopu i te wai otinga, e kore e tau ki etahi atu aniana, ki etahi atu ranei, ki te hunga ke ranei ki nga tote.
Engari ko te Heclecucucle e kaha ana ki te whakaputa i te whakapae, na reira ka taea te whakakore i te wai, i te whakapai ake ranei i nga ahuatanga o te ao.
