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Kaarboosi Methyl Cellulose (CMC)

Carboxy Methyl Cellulose (CMC), oo sidoo kale loo yaqaan Sodium Carboxymethyl Cellulose, si fudud ayuu ugu milmaa biyaha qabow iyo kuwa kulul labadaba. Waxay muujisaa sifooyin aad u fiican sida dhumucda, haynta biyaha, sameynta filimada, rheology, iyo saliidaynta. Astaamahani waxay ka dhigayaan CMC mid ku habboon codsiyo badan, oo ay ku jiraan cuntada, alaabada daryeelka shakhsi ahaaneed, rinjiga warshadaha, dhoobada, qodista saliidda, iyo qalabka dhismaha.


CMC, oo sidoo kale loo yaqaan xanjo Cellulose ah, waa ether cellulose oo polymer sare leh oo laga helo wax ka beddelka kiimikada ee cellulose-ka dabiiciga ah. Budadan cad ilaa caddaan, aan ur lahayn, iyo dhadhan la'aantu waxay door muhiim ah ka ciyaartaa warshado kala duwan sababtoo ah awooddeeda ay ku adkayn karto, ku xidhi karto, iyo inay xasiliso alaabada.


Soo saarista Sodium CMC waxay ku lug leedahay wax ka beddelka kiimikada ee cellulose oo leh chloroacetic acid, iyadoo kooxaha carboxymethyl (-CH2-COOH) ku soo bandhigaysa laf-dhabarta cellulose. Wax ka beddelkani wuxuu kor u qaadaa milmida polymer-ka ka dhasha biyaha, taasoo u oggolaanaysa inay samayso xalal deggan oo fiiqan.

    Sifooyinka Muhiimka ah iyo Isticmaalka HPMC-ga Kiimikada Maalinlaha ah:

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    Qeexitaanka Kiimikada

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    Faahfaahinta

    HPMC 60

    (2910)

    HPMC 65

    (2906)

    HPMC 75

    (2208)

    Heerkulka jel (℃)

    58-64

    62-68

    70-90

    Methoxy (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

    Viscosity (cps, 2% Xal)

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

    Heerka Badeecada:

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    Fasalka Kiimikada ee Maalinlaha ah ee HPMC

    Viscosity

    (NDJ, mPa.s, 2%)

    Viscosity

    (Brookfield, mPa.s, 2%)

    HPMC KM8100MS

    80000-120000

    40000-55000

    HPMC KM8150MS

    120000-180000

    55000-65000

    HPMC KM8200MS

    180000-240000

    70000-80000

    Codsiyada Maalinlaha ah ee Kimikada HPMC:

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    HPMC-ga Maalinlaha ah ee Kiimikada waxaa loo isticmaalaa noocyo badan oo ah daryeelka shakhsi ahaaneed iyo alaabada qurxinta, oo ay ku jiraan:

    Faa'iidooyinka Isticmaalka Maalinlaha ah ee Kimikada HPMC:

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    - Qaab-dhismeedka iyo isku-dheellitirka alaabada oo la hagaajiyay.
    - Xasillooni la xoojiyay iyo ka hortagga kala-soocidda wejiga ee emulsions.
    - Sii deynta la xakameeyey ee maaddooyinka firfircoon marka loo baahdo.
    - Faafinta iyo sifooyinka codsiga oo wanaagsan.
    - Qoyaanka iyo haynta biyaha oo la xoojiyay.

    Xirmada:

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    20'FCL: 12 tan oo leh balaastiig; 14 tan oo aan balaastiig lahayn.
    40'FCL: 24 tan oo leh balaastiig; 28 tan oo aan balaastiig lahayn.

    Kaydinta

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    Ku kaydi meel hawo leh oo qalalan gudaha, fiiro gaar ah u yeelo qoyaanka. Fiiro gaar ah u yeelo roobka iyo ilaalinta qorraxda inta lagu jiro gaadiidka.