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Carboxy Methyl Cellulose (CMC)

Ko te Carboxy Methyl Cellulose (CMC), e mōhiotia ana ko te Sodium Carboxymethyl Cellulose, ka rewa ngāwari ki te wai matao me te wai wera. He tino pai ōna āhuatanga pērā i te whakamātotoru, te pupuri wai, te hanga kiriata, te rheology, me te whakahinuhinu. Nā ēnei āhuatanga ka pai ai te CMC mō te whānuitanga o ngā tono, tae atu ki te kai, ngā hua tiaki whaiaro, ngā peita ahumahi, ngā uku, te keri hinu, me ngā rauemi hanga whare.


Ko te CMC, e mōhiotia ana ko te kapia Cellulose, he paura cellulose polymer-teitei i whiwhihia mā te whakarerekētanga matū o te cellulose tūturu. He mea nui tēnei paura mā ki te mā, kāore he kakara, kāore hoki he reka i roto i ngā momo ahumahi nā tōna kaha ki te whakamātotoru, ki te here, me te whakau i ngā hua.


Ko te hanga o te Sodium CMC ko te whakarerekētanga matū o te cellulose me te waikawa chloroacetic, me te whakauru i ngā rōpū carboxymethyl (-CH2-COOH) ki te tuara o te cellulose. Mā tēnei whakarerekētanga ka whakarei ake i te wairewatanga o te polymer i roto i te wai, ka taea ai te hanga i ngā otinga pumau me te matotoru.

    Ngā Āhuatanga Matua me ngā Whakamahinga o te HPMC Matū o ia Rā:

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    Whakatakotoranga Matū

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    Whakatakotoranga

    HPMC 60

    ( 2910 )

    HPMC 65

    ( 2906 )

    HPMC 75

    ( 2208 )

    Te pāmahana o te kirikiri (℃)

    58-64

    62-68

    70-90

    Metoki (WT%)

    28.0-30.0

    27.0-30.0

    19.0-24.0

    Hydroxypropoxy (WT%)

    7.0-12.0

    4.0-7.5

    4.0-12.0

    Te matotoru (cps, 2% Otinga)

    3, 5, 6, 15, 50, 100, 400,4000, 10000, 40000, 60000,100000,150000,200000

    Taumata Hua:

    whakaahuatanga2

    HPMC o ia rā mō te Matū

    Te matotoru

    (NDJ, mPa.s, 2%)

    Te matotoru

    (Brookfield, mPa.s, 2%)

    HPMC KM8100MS

    80000-120000

    40000-55000

    HPMC KM8150MS

    120000-180000

    55000-65000

    HPMC KM8200MS

    180000-240000

    70000-80000

    Ngā tono o te HPMC Matū o ia Rā:

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    E whakamahia ana te Daily Chemical Grade HPMC i roto i te whānuitanga o ngā hua tiaki whaiaro me ngā hua whakapaipai, tae atu ki:

    Ngā Painga o te Whakamahi i te HPMC Matū o ia Rā:

    whakaahuatanga2

    - Te whakapai ake i te kakano me te ōritetanga o ngā hua.
    - Te whakapakari i te pumau me te ārai i te wehenga ā-wāhanga i roto i ngā whakamomona.
    - Te tukunga whakahaere o ngā matū hohe ina hiahiatia.
    - Ngā āhuatanga horapa me te tono pai ake.
    - Te whakanui ake i te makuku me te pupuri wai.

    Mōkihi:

    whakaahuatanga2

    20'FCL: 12 tana me te papa reti; 14 tana kāore i te papa reti.
    40'FCL: 24 tana me te papa reti; 28 tana kāore i te papa reti.

    Rokiroki

    whakaahuatanga2

    Penapena ki te wāhi maroke, hauhautanga hoki i roto, kia tūpato ki te makuku. Kia tūpato ki te tiaki i te ua me te rā i te wā e kawe ana.