High-Range Workability Enabled by Modified Lignosulfonates...

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High-Range Workability Enabled by Modified Lignosulfonates Superplasticizers

The Modified Lignosulfonates are a class of water-reducing admixtures derived from lignin, a natural polymer and a major byproduct of the wood pulping industry. In their raw form, lignosulfonates act as low-to-mid-range plasticizers, but they contain impurities like sugars that can cause excessive retardation and air entrainment in concrete. To overcome these limitations, they undergo chemical...

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