Abstract:
In accordance with one aspect, a thermally regulating construction material comprises a base material and a polymeric phase change material bound to the base material, wherein the base material provides reversible temperature regulation properties to the building construction material. In accordance with another aspect, an insulation material for use in building construction comprises a base material and a polymeric phase change material bound to the base material, wherein the base material provides reversible temperature regulation properties to the insulation material. The base material may be selected from the group consisting of foam insulation, loose fill insulation, and batted insulation.
Abstract:
A viscose fiber comprises a fiber body including a regenerated cellulosic material and a plurality of microcapsules dispersed in the regenerated cellulosic material. The regenerated cellulosic material is derived from an organic plant material and the plurality of microcapsules containing a phase change material has a transition temperature in the range of 0° C. to 100° C., the phase change material providing thermal regulation based on at least one of absorption and release of latent heat at the transition temperature.
Abstract:
An article having reversible thermal regulation properties comprises a substrate and a functional polymeric phase change material having a heat carrying capacity. The article is further characterized by a chemical function having moisture adsorbing properties that increase the heat carrying capacity.
Abstract:
A stable suspension for the production of a temperature-regulating, polymer-containing material or fabric, comprises a solvent and a plurality of microcapsules containing at least one phase-change material. The microcapsules are incorporated in the polymer-containing material, and the stable suspension is characterized in that the solvent is capable of dissolving a fabric-forming component selected from the group consisting of at least one of the polymer and precursors thereof and the suspension is stable for at least about 20 hours. A method for manufacturing a suspension comprising a solvent and a plurality of microcapsules containing at least one phase-change material comprises providing microcapsules containing a phase-change material, providing a solvent capable of dissolving a fabric-forming component selected from the group consisting of at least one of the polymer and precursors thereof, and mixing the solvent and the microcapsules to form the suspension.
Abstract:
An article comprises a substrate, a first functional polymeric phase change material, and a plurality of containment structures that contain the first functional polymeric phase change material. The article may further comprise a second phase change material chemically bound to at least one of the plurality of containment structures or the substrate. In certain embodiments, the article further comprises a second phase change material and a binder that contains at least one of the first polymeric phase change material and the second phase change material. The containment structure may b a microcapsule or a particulate confinement material.
Abstract:
Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material having a latent heat of at least 40 J/g and a transition temperature in the range of 22° C. to 40° C. The temperature regulating material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The multi-component fiber can be formed via a melt spinning process or a solution spinning process and can be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber can be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.
Abstract:
A process and an apparatus for continuous casting of metallic materials in a semi-solid state is disclosed. A solid metallic material is processed by heating the material in a first container with an inductive heater to a temperature above the solidus temperature. The processed metallic material is then transported to a storage container, from there to an injection unit and subsequently to a casting tool.
Abstract:
Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material haying a latent heat of at least 40 J/g and a transition temperature in the range of 22° C. to 40° C. The temperature regulating material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The multi-component fiber can be formed via a melt spinning process or a solution spinning process and can be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber can be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.
Abstract:
A compostable multilayer film includes a core layer having a first surface and a second surface, a first blocking reducing layer covering the first surface of the core layer, and a second blocking reducing layer covering the second surface of the core layer. The core layer comprises a lactic acid residue-containing polymer having a glass transition temperature (Tg) below 20° C. At least one of the first and second blocking reducing layers comprise a semicrystalline aliphatic polyester. The core layer may be peroxide modified polylactide polymer which exhibits bridging between polylactide polymer chains.
Abstract:
A material for energy management and peak energy reduction in a building structure, comprises an insulative base material, a first phase change material, and a functional polymeric phase change material that dynamically absorbs and releases heat to adjust heat transfer. The functional polymeric phase change material has at least one phase change temperature in the range between −10° C. and 100° C. and a phase change enthalpy of at least 5 Joules per gram, the functional polymeric phase change material including a plurality of polymer chains that include a backbone chain and a plurality of side chains, wherein a first portion of the plurality of polymer chains are crosslinked to each other, wherein a second portion of the plurality of polymer chains are crosslinked with the first phase change material and a third portion of the plurality of side chains are mechanically entangled with the inorganic insulative base material.