Ubora wa Juu 99%min Sodium Carboxymethyl Cellulose CMC Kemikali Poda

Sodium Carboxymethyl Cellulose Use

 

Carboxymethylcellulose (CMC) is a nontoxic and tasteless white flocculent powder with stable performance and is easy to dissolve in water. Sodium carboxymethylcellulose (CMC), commonly known as "industrial monosodium glutamate", is the most widely used and convenient product among cellulose ethers.
CMC inaweza kutumika kama binder, thickener, kusimamisha wakala, emulsifier, dispersant, stabilizer, saizi wakala, nk.

Carboxymethyl cellulose (CMC) ni anionic selulosi etha, kuonekana ni nyeupe au njano kidogo flocculent unga fiber au poda nyeupe, harufu, dufu, mashirika yasiyo ya sumu; Mumunyifu kwa urahisi katika maji, na kutengeneza suluhisho la uwazi na mnato fulani. Suluhisho ni neutral au kidogo ya alkali, haipatikani katika ethanol, etha, pombe ya isopropyl, asetoni na vimumunyisho vingine vya kikaboni, lakini mumunyifu katika ethanol au ufumbuzi wa asetoni na maudhui ya maji 60%. Ni hygroscopic, imara kwa mwanga na joto, na viscosity hupungua kwa ongezeko la joto.

Carboxymethyl cellulose (CMC) Features:

1. Karibu haina harufu, haina harufu, na RISHAI.
2. Rahisi kutawanya katika maji ndani ya myeyusho wa uwazi wa koloidi, usioyeyuka katika vimumunyisho vya kikaboni kama vile ethanoli.
3. pH ya suluhisho la maji ya 3.1% ni 6.5-8.5. Wakati pH>10 au<5, mnato wa wambiso hupungua kwa kiasi kikubwa, na utendaji ni bora zaidi katika pH=7.
4. Ni thabiti kwa joto, na ongezeko la haraka la mnato chini ya 20 ℃ na mabadiliko ya polepole saa 45 ℃. Kupokanzwa kwa muda mrefu zaidi ya 80 ℃ kunaweza kusababisha kubadilika kwa koloyi huku ikipunguza kwa kiasi kikubwa mnato na utendakazi.
5. Rahisi kufuta katika maji, ufumbuzi wa uwazi;

 

Grade of Carboxymethyl cellulose (CMC)

Chakula Daraja la CMC
Sabuni daraja la CMC
Uchimbaji Mafuta Daraja la CMC
Kauri Daraja la CMC
Rangi Daraja la CMC
Nguo na Dyeing Daraja CMC

 

How Sodium Carboxymethyl Cellulose Powder Improves Viscosity and Stability

 

One of the most important functional characteristics of sodium carboxymethyl cellulose powder is its ability to control viscosity and improve formulation stability. As a water-soluble derivative of cellulose, carboxymethyl cellulose CMC forms highly stable colloidal solutions when dissolved in water. Even at low concentrations, it can significantly increase the viscosity of liquids, making it an efficient thickening agent in various industrial and food applications.

The rheological behavior of carboxymethyl cellulose CMC depends largely on its degree of substitution (DS) and molecular weight. Higher molecular weight grades generally provide stronger thickening performance, while lower viscosity grades are preferred when flowability is required. This flexibility allows manufacturers to fine-tune product texture, suspension stability, and flow characteristics.

In food applications, sodium carboxymethyl cellulose powder helps prevent ingredient separation, improves mouthfeel, and enhances shelf stability. In oil drilling fluids, it stabilizes drilling mud by controlling fluid loss and improving suspension performance. In detergents and coatings, it enhances uniform dispersion and prevents sedimentation.

Because of its strong water retention capacity, carboxymethyl cellulose CMC also reduces syneresis in formulations. This is especially valuable in products exposed to temperature fluctuations or long storage periods. Overall, sodium carboxymethyl cellulose powder serves as a multifunctional rheology modifier, offering predictable and stable performance across industries.

 

Factors Affecting the Quality of Carboxymethyl Cellulose CMC Powder

 

The quality of carboxymethyl cellulose CMC directly influences its performance in industrial and food applications. Several key parameters determine the overall effectiveness of sodium carboxymethyl cellulose powder, including purity, degree of substitution (DS), viscosity level, particle size distribution, and moisture content.

The degree of substitution is one of the most critical factors. It reflects how many hydroxyl groups in cellulose are replaced by carboxymethyl groups. A higher DS typically improves water solubility and enhances thickening capability. However, the ideal DS varies depending on the application requirements.

Viscosity grade is another decisive factor. Different industries require specific viscosity ranges to achieve desired texture, stability, or suspension properties. Inconsistent viscosity in carboxymethyl cellulose CMC powder can result in formulation instability or production inefficiencies.

Purity also plays a major role. High-quality sodium carboxymethyl cellulose powder should contain minimal residual salts, unreacted cellulose, or by-products. Impurities may affect transparency, taste (in food applications), or compatibility with other chemicals.

Additionally, particle size affects dissolution speed and dispersion uniformity. Fine and evenly distributed powder dissolves more efficiently and reduces clumping during mixing. Manufacturers must carefully control production processes and perform strict quality testing to ensure stable product performance and compliance with international standards.

 

How to Dissolve and Process Sodium Carboxymethyl Cellulose Powder Correctly

 

Proper dissolution and processing methods are essential to maximize the performance of sodium carboxymethyl cellulose powder. Although carboxymethyl cellulose CMC is water-soluble, incorrect mixing techniques can lead to clumping or incomplete hydration.

To achieve optimal dispersion, it is recommended to slowly add sodium carboxymethyl cellulose powder into water under continuous agitation. High-speed stirring helps prevent the formation of lumps and ensures uniform distribution. In some cases, pre-mixing the powder with dry ingredients such as sugar or salt can improve dispersion efficiency.

Water temperature also affects dissolution rate. While carboxymethyl cellulose CMC can dissolve in cold water, slightly warm water often accelerates hydration. However, excessively high temperatures should be avoided, as they may influence viscosity stability depending on the grade.

Allowing sufficient hydration time is crucial. Full viscosity development may take several minutes to several hours, depending on molecular weight and concentration. Premature processing before complete hydration can result in inconsistent viscosity and performance.

For industrial-scale production, controlled feeding systems and proper agitation equipment are recommended to ensure efficient processing of sodium carboxymethyl cellulose powder. By following correct dissolution procedures, manufacturers can achieve stable rheological performance and maintain consistent product quality.

 

 

KITU	RANGE
Rangi	Maziwa nyeupe
Mnato(1% Solution Mpa.S)	50-1200
Kloridi(%)	＜1.8%
Kiwango cha uingizwaji	0.6-0.9
PH	6.0-8.5
Usafi	99.5%
Unyevu(%)	＜10%

 

 

CMC sio tu kiimarishaji kizuri na kinene katika utumiaji wa chakula, lakini pia ina ugandishaji bora na kuyeyuka.

utulivu, na inaweza kuboresha ladha ya bidhaa na kuongeza muda wa kuhifadhi.

Katika maziwa ya soya, ice cream, ice cream, jeli, kinywaji, matumizi ya makopo ni karibu 1% ~ 1.5%. CMC pia inaweza kutumika pamoja na siki, mchuzi wa soya, mafuta ya mboga, maji ya matunda, maji ya nyama, maji ya mboga na nyingine imara emulsifying utawanyiko, kipimo ni 0.2% ~ 0.5%.

Hasa kwa ajili ya wanyama, mafuta ya mboga, protini na mmumunyo wa maji utendaji emulsification ni bora sana, inaweza kufanya hivyo kuunda imara homogeneous Emulsion.

Kwa kuwa ni salama na inategemewa, kipimo chake hakizuiliwi na kiwango cha usafi wa chakula cha ADI.

 

Kazi ya CMC katika uzalishaji wa chakula:

1. thickening: mnato katika mkusanyiko wa chini. Inaweza kudhibiti mnato katika mchakato wa usindikaji wa chakula na kutoa chakula hisia ya lubrication;

2.uhifadhi wa maji: kupunguza upungufu wa maji mwilini wa chakula, kuongeza maisha ya rafu ya chakula;

3.utulivu wa utawanyiko: kudumisha uthabiti wa ubora wa chakula, kuzuia utabaka wa mafuta na maji (emulsification), udhibiti.

ukubwa wa fuwele katika chakula waliohifadhiwa (kupunguza fuwele za barafu);

4.kutengeneza filamu: katika chakula cha kukaanga ili kuunda safu ya filamu, kuzuia kunyonya kwa mafuta mengi;

5.Utulivu wa kemikali: imara kwa kemikali, joto na mwanga, na upinzani fulani wa koga;

6. Inertia ya kimetaboliki: kama nyongeza ya chakula, haitabadilishwa, katika chakula haitoi kalori.

 

Kama kiimarishaji na kiimarishaji cha bidhaa za maziwa yenye tindikali, CMC huzuia protini katika bidhaa za maziwa kuganda.

precipitating na layering, hufanya bidhaa za maziwa ladha ya kipekee na maridadi.

Kama wakala wa kuhifadhi maji kwa keki na kujaza jam, CMC huzuia upungufu wa maji mwilini wa chakula, hutoa thixotropy fulani, inaboresha utulivu wa uhifadhi, inaboresha gloss ya keki na kuzuia ngozi.

 

CMC inaweza kutumika kama wakala wa saizi ya karatasi katika tasnia ya utengenezaji wa karatasi, katika tasnia ya kauri kama msaidizi wa billet, plasticizer, wakala wa kuimarisha, kutumika kama sizingagent katika tasnia ya nguo, vipodozi kama hidrosol, kama upinzani dhidi ya uwekaji upya wa uchafu.

wakala katika sabuni, matope ya kuchimba mafuta yanaweza kutumika kulinda kisima kama wakala wa kuleta utulivu, wakala wa kuhifadhi maji, kutumika kama athickener katika dawa ya meno, nk.