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I-Carboxy Methyl Cellulose (CMC)

I-Carboxy Methyl Cellulose (CMC), ekwaziwa ngokuba yiSodium Carboxymethyl Cellulose, inyibilika lula emanzini abandayo nashushu. Ibonisa iimpawu ezintle ezifana nokuqina, ukugcinwa kwamanzi, ukwenza ifilimu, ukwakheka kwerhasi, kunye nokuthambisa. Ezi mpawu zenza i-CMC ifaneleke kwiintlobo ngeentlobo zezicelo, kubandakanya ukutya, iimveliso zokhathalelo lomntu, iipeyinti zoshishino, iiseramikhi, ukubhola ioyile, kunye nezinto zokwakha.


I-CMC, ekwabizwa ngokuba yi-Cellulose gum, yi-cellulose ether ene-polymer ephezulu efunyenwe ngokuguqulwa kweekhemikhali ze-cellulose yendalo. Le powder imhlophe ukuya kwemhlophe, ayinavumba, kwaye ayinancasa idlala indima ebalulekileyo kumashishini ahlukeneyo ngenxa yokukwazi kwayo ukuqinisa, ukubopha, kunye nokuzinzisa iimveliso.


Ukuveliswa kweSodium CMC kubandakanya ukuguqulwa kweekhemikhali ze-cellulose nge-chloroacetic acid, okungenisa amaqela e-carboxymethyl (-CH2-COOH) kumqolo we-cellulose. Olu tshintsho luphucula ukunyibilika kwe-polymer ephumayo emanzini, okuvumela ukuba yenze izisombululo ezizinzileyo neziqinileyo.

    Iimpawu eziphambili kunye nokusetyenziswa kwe-HPMC yeMichiza yemihla ngemihla:

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    Iinkcukacha zeKhemikhali

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    Inkcazo

    I-HPMC 60

    (2910)

    I-HPMC 65

    (2906)

    I-HPMC 75

    (2208)

    Ubushushu bejeli (℃)

    58-64

    62-68

    70-90

    I-Methoxy (WT%)

    28.0-30.0

    27.0-30.0

    19.0-24.0

    I-Hydroxypropoxy (WT%)

    7.0-12.0

    4.0-7.5

    4.0-12.0

    Ukuqina (i-cps, isisombululo se-2%)

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

    Ibanga leMveliso:

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    Ibanga leekhemikhali zemihla ngemihla i-HPMC

    Ukuqaqamba

    (NDJ, mPa.s, 2%)

    Ukuqaqamba

    (eBrookfield, mPa.s, 2%)

    I-HPMC KM8100MS

    80000-120000

    40000-55000

    I-HPMC KM8150MS

    120000-180000

    55000-65000

    I-HPMC KM8200MS

    180000-240000

    70000-80000

    Ukusetyenziswa kwe-Daily Chemical Grade HPMC:

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    I-Daily Chemical Grade HPMC isetyenziswa kwiintlobo ngeentlobo zeemveliso zokhathalelo lomntu kunye nezobuhle, kuquka:

    Iingenelo zokusebenzisa i-HPMC yeMihla ngemihla yeChemical Grade:

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    - Uphuculo lwendlela ezibukeka ngayo kunye nokuhambelana kweemveliso.
    - Ukuqina okuphuculweyo kunye nokuthintela ukwahlukana kwesigaba kwi-emulsions.
    - Ukukhutshwa kwezithako ezisebenzayo okulawulwayo xa kuyimfuneko.
    - Iipropati ezingcono zokusasazeka kunye nokusetyenziswa.
    - Ukwandisa ukufuma kunye nokugcinwa kwamanzi.

    Iphakheji:

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    20'FCL: iitoni ezili-12 ezineepalethi; iitoni ezili-14 ezingafakwanga iipalethi.
    40'FCL: iitoni ezingama-24 ezineepalethi; iitoni ezingama-28 ezingafakwanga iipalethi.

    Indawo yokugcina izinto

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    Gcina kwindawo enomoya opholileyo neyomileyo ngaphakathi, qaphela umswakama. Nika ingqalelo ekukhuselekeni emvuleni naselangeni ngexesha lokuthuthwa.