Study on Factors Influencing the Viscosity of Sodium Carboxymethyl Cellulose Used in Capsule-Mucous Sealers

Study on Factors Influencing the Viscosity of Sodium Carboxymethyl Cellulose Used in Capsule-Mucous Sealers

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A decrease in the viscosity of a solution of sodium carboxymethyl cellulose Tablet/iPad Stands (CMC-Na) is a commonly encountered problem in coalbed methane (CBM) pressure measurement with an apron CMC-Na sealer and capsule CMC-Na sealer.Studies have shown that the factors that can reduce the CMC-Na solution viscosity include the hydrogen ion concentration index (pH), the environmental temperature, the drilling and sealing time, and the high-pressure CBM gas environment.In this study, a homemade instrument for measuring the viscosity of a CMC-Na solution under high pressure was used to determine the change laws of the viscosity under different conditions, and comparative tests were performed to investigate Mountaineering - Homme - Vetements - Manteau various factors affecting the viscosity.The best solution for stabilizing the viscosity was determined and effectively applied at a coal mine site, where an overall improvement in the viscosity behaviour was observed.