Foamed fiber compositions and processes of making said compositions. Compositions include a hydraulic mixture including (i) a polymer and (ii) one or more of gypsum, fly ash, and cement; and a foam including a foaming agent, a foam stabilizer, and 0.5-35% fibers by weight. The process for forming the foamed fiber composition includes providing a stable foam including a foaming agent and a foam stabilizer; mixing fibers into the stable foam until the fibers are uniformly distributed in the foam to form a fiber-containing foam, wherein the fiber-containing aqueous foam contains 0.5-35% fibers by weight; and mixing the fiber-containing foam into a hydraulic slurry including (i) a polymer and (ii) one or more of gypsum, fly ash, and cement. The composition is suitable for use in roof tiles, underlayments, backerboards, cement composites, foam fills, bricks, cement sidings, etc.

Foamed fiber compositions and processes of making said compositions. Compositions include a hydraulic mixture including (i) a polymer and (ii) one or more of gypsum, fly ash, and cement; and a foam including a foaming agent, a foam stabilizer, and 0.5-35% fibers by weight. The process for forming the foamed fiber composition includes providing a stable foam including a foaming agent and a foam stabilizer; mixing fibers into the stable foam until the fibers are uniformly distributed in the foam to form a fiber-containing foam, wherein the fiber-containing aqueous foam contains 0.5-35% fibers by weight; and mixing the fiber-containing foam into a hydraulic slurry including (i) a polymer and (ii) one or more of gypsum, fly ash, and cement. The composition is suitable for use in roof tiles, underlayments, backerboards, cement composites, foam fills, bricks, cement sidings, etc.

An apparatus for preparing foam for incorporation into cementitious slurry comprises a conduit having an inlet for receiving a gas feed and a surfactant feed, and an outlet for allowing the exit of foam. The conduit houses a porous plug that provides a partial barrier to fluid flow along the conduit, the plug comprising a plurality of particles that are packed in a regular array and that define a three-dimensional network of pores extending therebetween. The apparatus comprises a resilient component located between the plug and the conduit.

The invention provides novel aerated composite materials that possess excellent physical and performance characteristics of aerated concretes, and methods of production and uses thereof. These composite materials can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption, desirable carbon footprint and minimal environmental impact.

The invention provides novel aerated composite materials that possess excellent physical and performance characteristics of aerated concretes, and methods of production and uses thereof. These composite materials can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption, desirable carbon footprint and minimal environmental impact.

A high temperature lightweight thermal insulating material is formed from a mixture that includes cement or silica sand, water and a foaming agent. The foaming agent can be an aluminum powder or a surfactant. The insulating material has a maximum use temperature greater than about 600 degrees Celsius.

Biomaterials, in particular bone foams, a process for preparing such materials as well as an applicator for applying the biomaterials directly to the patient's application site, and the use of a composition comprising water, a surfactant and a propellant in the preparation of a bone foam for the preparation of a calcium phosphate foam wherein the foam is obtainable by the mixture of at least two phases, a first phase comprising water and optionally a propellant, a second phase comprising one or more sources for calcium and/or phosphate, and wherein the foaming is performed during the mixture of the at least two phases to provide an improved calcium phosphate foam, process for the preparation of a calcium phosphate foam, use of a composition, solid state structure, calcium phosphate cement foam and bone foam applicator.

Biomaterials, in particular bone foams, a process for preparing such materials as well as an applicator for applying the biomaterials directly to the patient's application site, and the use of a composition comprising water, a surfactant and a propellant in the preparation of a bone foam for the preparation of a calcium phosphate foam wherein the foam is obtainable by the mixture of at least two phases, a first phase comprising water and optionally a propellant, a second phase comprising one or more sources for calcium and/or phosphate, and wherein the foaming is performed during the mixture of the at least two phases to provide an improved calcium phosphate foam, process for the preparation of a calcium phosphate foam, use of a composition, solid state structure, calcium phosphate cement foam and bone foam applicator.

A variety of systems, methods and compositions are disclosed, including, in one method, providing a foamed cement composition comprising a hydraulic cement, water, a foaming surfactant, a gas, and a nanocellulose foam stabilizing additive; placing the foamed cement composition in a selected location; and allowing the foamed cement composition to set.

A variety of systems, methods and compositions are disclosed, including, in one method, providing a foamed cement composition comprising a hydraulic cement, water, a foaming surfactant, a gas, and a nanocellulose foam stabilizing additive; placing the foamed cement composition in a selected location; and allowing the foamed cement composition to set.