Preparation and Performance of Water-Active Polyurethane Grouting Material in Engineering: A Review.

Polymers (Basel) · 2022 · PMC9737875 · PMID 36501494

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a decreasing trendno p-value reported

Although the tensile strength and elongation at break of polyurethane foam materials soaked in water, acid, and alkali solution for a long time exhibited a decreasing trend, it exhibited good impermeability [ 107 ].

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