Basic use of carboxylmethyl cellulose(CMC)


1.Drilling and well excavation projects for oil and natural gas

① mud containing it can make the well wall form a thin and strong, low permeability filter cake, and reduce the water loss.

After ② adds it to the mud, the drill can get a low initial cutting force.

Making the mud easy to release the gas wrapped in it, and quickly abandon the debris in the mud pit.

③ drilling mud, like other suspended dispersions, has a certain period of stability and extension after the addition of CMC.

④ contains CMC mud that is rarely affected by mold, and therefore does not need to maintain high PH and use preservatives.

⑤ contains CMC as a drilling slurry cleaning fluid treatment agent, which can resist the pollution of various soluble salts.

⑥ contains CMC mud with good stability and reduces water loss even if the temperature is above 150℃.

High viscosity, high substitution it is suitable for mud with low density, and CMC with low viscosity and high substitution is suitable for mud with high density.The selection of it shall be determined according to the type of mud, area and well depth.

2.For textile, printing and dyeing industry textile industry CMC as sizing agent, for cotton, wool, chemical fiber, mixing and other strong yarn sizing;

3. CMC in paper industry can be used as paper smoothing agent and glue agent in paper industry.Adding 0.1%~0.3% CMC to the pulp can enhance the tension by 40%~50%, increase the compression rupture degree by 50%, and kneading by 4~5 times.

4.It can be used as dirt adsorbent in synthetic detergent;

glycerol solution of it for toothpaste industry is used as glue base of toothpaste.

Pharmaceutical industry is used as thickener and emulsifier.

CMC solution is used as planktonic dressing after bonding.

 5.Adhesive, plasticizer, suspension agent, cement agent of glaze agent that can be used in ceramic industry. 6. For building, to improve water retention and strength

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