The invention relates to the use of i) geopolymer and ii) non-brominated, phosphorus- and/or nitrogen-based flame retardants for improving the self-extinguishing properties of a composition comprising polymer. The polymer may be a vinyl aromatic polymer, and may be in a granulate or foam.

The invention relates to the use of i) geopolymer and ii) non-brominated, phosphorus- and/or nitrogen-based flame retardants for improving the self-extinguishing properties of a composition comprising polymer. The polymer may be a vinyl aromatic polymer, and may be in a granulate or foam.

Provided here are hemp-based concrete compositions and methods of production of these compositions. These compositions contain an aggregate containing coarse hemp hurd and an alkali-activated binder including a hemp powder derived from a woody core of a hemp plant.

Provided here are hemp-based concrete compositions and methods of production of these compositions. These compositions contain an aggregate containing coarse hemp hurd and an alkali-activated binder including a hemp powder derived from a woody core of a hemp plant.

A process of sequestering CO.sub.2 is generally described. The process involves the use of geopolymeric precursors to which the CO.sub.2 is added. The process for a solid, cementitious material comprising geopolymer(s) and CO.sub.2.

A process of sequestering CO.sub.2 is generally described. The process involves the use of geopolymeric precursors to which the CO.sub.2 is added. The process for a solid, cementitious material comprising geopolymer(s) and CO.sub.2.

This geopolymer molding production method comprises: a mixing step (S1) for mixing a first material containing aluminum and silicon with a hydrate of an alkali stimulant containing a hydrate of an alkaline hydroxide and/or a hydrate of an alkaline silicate; a compaction step (S2) for compacting the mixture obtained in the mixing step (S1) into a compacted mixture; and a curing step (S3) for curing the compacted mixture.

This geopolymer molding production method comprises: a mixing step (S1) for mixing a first material containing aluminum and silicon with a hydrate of an alkali stimulant containing a hydrate of an alkaline hydroxide and/or a hydrate of an alkaline silicate; a compaction step (S2) for compacting the mixture obtained in the mixing step (S1) into a compacted mixture; and a curing step (S3) for curing the compacted mixture.

A two-component hybrid coating system which contains both an organic film forming polyacrylate polymer and particles capable of forming a geopolymer is provided. When the two reactive components are combined, a hybrid coating composition is provided containing a film forming organic polyacrylate polymer component and a geopolymer component.

A two-component hybrid coating system which contains both an organic film forming polyacrylate polymer and particles capable of forming a geopolymer is provided. When the two reactive components are combined, a hybrid coating composition is provided containing a film forming organic polyacrylate polymer component and a geopolymer component.