Abstract: A coated fibre comprising a fibre and a coating, wherein the coating comprises nanoplatelets and a polymer, wherein the coating has a layered structure comprising at least two bilayers, each bilayer comprising a nanoplatelet layer and a polymer layer is described. A composite material comprising a plurality of coated fibres and a matrix is also described.

Abstract: The present disclosure provides materials such as cellulose based materials and composite materials. Also provided herein are methods for making or using the materials.

Abstract: The present disclosure provides materials such as cellulose based materials and composite materials. Also provided herein are methods for making or using the materials.

Abstract: A continuous process for manufacturing macroporous beads, the process comprising: providing an aqueous carrier phase flowing through a pipe at a carrier phase flow velocity; providing an emulsion of a UV-polymerisable or thermally polymerisable continuous phase in an aqueous dispersed phase; injecting the emulsion into the carrier phase at an injection speed to create polymerisable droplets flowing in the carrier phase; forming macroporous beads by irradiating the droplets with UV light, or by heating the droplets to a temperature sufficient to decompose a thermal initiator in the continuous phase, to polymerise the droplets; and removing the macroporous beads from the carrier phase; wherein the ratio of carrier phase flow velocity/injection speed is at least 1.

Abstract: A coated fibre comprising a fibre and a coating, wherein the coating comprises nanoplatelets and a polymer, wherein the coating has a layered structure comprising at least two bilayers, each bilayer comprising a nanoplatelet layer and a polymer layer is described. A composite material comprising a plurality of coated fibres and a matrix is also described.

Abstract: A treated carbon fiber tensile cord for use in power transmission belts, hose, tires or other reinforced rubber products and the resulting product, which includes carbon fibers which are coated with a polymeric layer deposited and polymerized at atmospheric pressure in a plasma assisted chemical vapor deposition process. A suitable polymeric layer is compatible with the intended matrix which the cord will reinforce. For a rubber belt, the coating is compatible with the rubber composition of the belt body or an adhesion gum or adhesive such as RFL which surrounds the cord. For RFL/rubber systems and cast polyurethane elastomers, a suitable polymer is the APP reaction product of a vinyl carboxylic acid or an ester or amide thereof. Suitable carboxylic acids include acrylic acid and methacrylic acid. Various esters and amides of vinyl carboxylic acid are also suitable, such as 2-hydroxyethyl methacrylate, N-isobutoxymethyl acrylamide, and N-hydroxyethyl acrylamide.

Abstract: A continuous process for manufacturing macroporous beads, the process comprising: providing an aqueous carrier phase flowing through a pipe at a carrier phase flow velocity; providing an emulsion of a UV-polymerisable or thermally polymerisable continuous phase in an aqueous dispersed phase; injecting the emulsion into the carrier phase at an injection speed to create polymerisable droplets flowing in the carrier phase; forming macroporous beads by irradiating the droplets with UV light, or by heating the droplets to a temperature sufficient to decompose a thermal initiator in the continuous phase, to polymerise the droplets; and removing the macroporous beads from the carrier phase; wherein the ratio of carrier phase flow velocity/injection speed is at least 1.

Abstract: The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material.

Abstract: A morphing skin for an air vehicle structure, the skin being formed by a composite material which includes: a multiplicity of fibers, a matrix incorporating the fibers, and a thermo-sensitive material, such as a thermo-plastic. The thermo-sensitive material can be reversibly transitionable in response to a change in temperature, between (i) an ambient temperature mode in which the thermo-sensitive material is capable of transferring loads in the composite material, and (ii) a heated mode in which the ability of the thermo-sensitive material to transfer the loads is reduced. This can allow the stiffness of the skin to be temporarily reduced to enable the skin to be morphed into a different shape.

Abstract: The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material.

Abstract: The present disclosure provides materials such as cellulose based materials and composite materials. Also provided herein are methods for making or using the materials.

Abstract: A fluid identification system comprising a plurality of particles, each particle encapsulating therein at least one tracer material having an identifiable DNA, the at least one tracer material being encapsulated by an encapsulation material, wherein the particles are adapted to retain the at least one tracer material in an encapsulated form after exposure of the particles to a temperature of at least 75° C. and/or a pressure of at least 1000 psi (6.9×106 N/m2).

Abstract: The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material.

Abstract: A fluid identification system comprising a plurality of particles, each particle encapsulating therein at least one tracer material having an identifiable DNA, the at least one tracer material being encapsulated by an encapsulation material, wherein the particles are adapted to retain the at least one tracer material in an encapsulated form after exposure of the particles to a temperature of at least 75° C. and/or a pressure of at least 1000 psi (6.9×106 N/m2).

Abstract: The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material.

Abstract: The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material.

Abstract: The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material.

Abstract: The present invention relates to methods and compositions useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing two phases. The sealant composition is placed into the wellbore where one phase sets upon subjecting the sealant composition to a thermal source followed by the setting of the other phase.

Abstract: A fluid identification system comprising a plurality of particles, each particle encapsulating therein at least one tracer material having an identifiable DNA, the at least one tracer material being encapsulated by an encapsulation material, wherein the particles are adapted to retain the at least one tracer material in an encapsulated form after exposure of the particles to a temperature of at least 75° C. and/or a pressure of at least 1000 psi (6.9×106 N/m2).

Abstract: Of the many embodiments presented herein, one is a subterranean treatment fluid comprising: an aqueous fluid; and a water-soluble degradable synthetic vinyl polymer having a labile link in its backbone. Also provided in one instance is a water-soluble degradable synthetic vinyl polymer with labile group in its backbone made by a redox polymerization, the redox polymerization reaction comprising these reactants: a macroinitiator that comprises a labile link, an oxidizing metal ion, and a vinyl monomer.