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CMC For Construction The Largest Yield
Aug 16, 2017

CMC For Construction The largest yield

Carboxymethyl cellulose (CMC) is a non-toxic and tasteless white flocculent powder, stable performance, soluble in water, the aqueous solution is neutral or alkaline transparent viscous liquid, soluble in other water-soluble glue and resin, insoluble Ethanol and other organic solvents. CMC can be used as adhesives, thickeners, suspending agents, emulsifiers, dispersants, stabilizers, sizing agents and the like.

Sodium carboxymethyl cellulose (CMC) is the most widely used cellulose ether, the most widely used, the most convenient use of the product, commonly known as "industrial monosodium glutamate."

1, for oil, natural gas drilling, digging and other projects

① CMC-containing mud can make the shaft wall to form a thin and strong, low permeability of the cake, so that water loss.

② in the mud by adding CMC, the rig can get low initial shear force, so that easy to release the mud wrapped in the inside of the gas, while the debris quickly abandoned in the pit.

③ drilling mud and other suspension dispersion, with a certain period of existence, after adding CMC can make it stable and extend the existence of the period.

④ mud containing CMC, rarely affected by the mold, therefore, do not need to maintain a high PH value, do not have to use preservatives.

⑤ with CMC as a drilling mud wash fluid treatment agent, can resist a variety of soluble salts pollution.

⑥ CMC containing mud, good stability, even if the temperature above 150 ℃ can still reduce water loss.

High viscosity, high degree of substitution of CMC for smaller density of mud, low viscosity and high degree of substitution of CMC for the density of the mud. Selection of CMC should be based on the type of mud and the region, well depth and other conditions to decide.

2, for the textile, printing and dyeing industry, the textile industry CMC as a sizing agent for cotton, silk, chemical fiber, blended and other strong light yarn sizing;

3, for the paper industry CMC in the paper industry can be used as paper smoothing agent, sizing agent. In the pulp by adding 0.1% to 0.3% of the CMC can increase the tensile strength of paper 40% to 50%, 50% increase in compressive rupture, kneading increased 4 to 5 times.

4, CMC into the synthetic detergent can be used as a dirt adsorbent; daily chemical such as toothpaste industry CMC glycerol aqueous solution used as toothpaste gum base; pharmaceutical industry as thickener and emulsifier; CMC aqueous solution after use as a plankton Mineral processing and so on.

5, for the ceramic industry can do rough adhesive, plasticizer, glaze of the suspension agent, fixing agent and so on.

6, for construction, improve water retention and strength