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The ethylation and hydroxyethylation processes involve the substitution of hydroxyl groups present in cellulose with ethyl and hydroxyethyl groups, respectively. This chemical modification enhances the solubility of cellulose in polar solvents like water, while preserving its inherent structural integrity. The extent of substitution determines the specific properties of the resulting EHEC, such as viscosity, film-forming ability, and stability.

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Shijiazhuang Yongfeng concrete adhesive powder'