The present invention relates to a curable binder composition comprising: a) at least one organic binder comprising a polyisocyanate and a polyol, and b) at least 50% by weight of a filler in the form of quartz and/or slag, based on 100% by weight of binder composition.

The present invention relates to a curable binder composition comprising: a) at least one organic binder comprising a polyisocyanate and a polyol, and b) at least 50% by weight of a filler in the form of quartz and/or slag, based on 100% by weight of binder composition.

A curable binder composition includes: a) at least one organic binder selected from the group made of a1) epoxy resins and curing agents for epoxy resins and a2) polyisocyanates and polyols, and b) at least 50% by weight of slag based on 100% by weight of the binder composition.

A curable binder composition includes: a) at least one organic binder selected from the group made of a1) epoxy resins and curing agents for epoxy resins and a2) polyisocyanates and polyols, and b) at least 50% by weight of slag based on 100% by weight of the binder composition.

An expandable porous framework, the framework containing a dry cementitious powder fill that when exposed to an aqueous media, will expand against the constraint of the framework and set to form a solid, hard and coherent material, the formwork being porous to liquids but substantially impermeable to the powder fill.

Provided are solvent cement formulations that include cyclopentanone, one or more additional solvents, and at least one resin. The formulations can contain a high concentration of dissolved resin, which confers beneficial properties and enables the use of the formulations for bonding large diameter piping components.

Provided are solvent cement formulations that include cyclopentanone, one or more additional solvents, and at least one resin. The formulations can contain a high concentration of dissolved resin, which confers beneficial properties and enables the use of the formulations for bonding large diameter piping components.

A process for the production of a geopolymer composite. The disclosure further relates to a geopolymer composite, and the use of a geopolymer, a geopolymer in combination with an athermanous additive, or the geopolymer composite in expanded vinyl polymer, preferably vinyl aromatic polymer. Furthermore, the disclosure relates to a process for the production of expandable vinyl aromatic polymer granulate, and expandable vinyl aromatic polymer granulate. Finally, the disclosure relates to expanded vinyl foam, preferably vinyl aromatic polymer, and to a masterbatch comprising vinyl polymer and a), b), or c).

A process for the production of a geopolymer composite. The disclosure further relates to a geopolymer composite, and the use of a geopolymer, a geopolymer in combination with an athermanous additive, or the geopolymer composite in expanded vinyl polymer, preferably vinyl aromatic polymer. Furthermore, the disclosure relates to a process for the production of expandable vinyl aromatic polymer granulate, and expandable vinyl aromatic polymer granulate. Finally, the disclosure relates to expanded vinyl foam, preferably vinyl aromatic polymer, and to a masterbatch comprising vinyl polymer and a), b), or c).

Methods for cementing a subterranean well and maintaining zonal isolation involve preparing a cement slurry that contains water, an inorganic cement and an expanding agent. The slurry is placed in the annular region between casing and the formation or between two casing strings. After the cement sets, the expanding agent reacts and causes the set cement to be in a state of compression within the annular region. The casing dimensions may fluctuate in response to a temperature change, a pressure change, a mechanical disturbance resulting from a well intervention, or mud contamination or a combination thereof. The expanding agent may further react and maintain a state of compression within the annular region. The state of compression in the annular region may be monitored by acoustic impedance measurements.