A phase change material composition for latent heat storage is provided. In one embodiment, the phase change material includes a salt hydrate having a melting temperature (T.sub.m) of from 1° C. to 100° C. as determined in accordance with ASTM E793. The phase change material further includes a stabilizing matrix including a polysaccharide selected from the group of a nanocellulose, a sulfonated polysaccharide, a starch, a glycogen, a chitin, and combinations thereof. A composite article including the phase change material composition is also provided.

Among other things, the present disclosure relates to phase change material (PCM) composites composed of an PCM mixed with a nucleating agent contained within the pores of a graphite matrix and/or a hydrogel. The process to create these PCM composites includes coating the surface of graphite with a surfactant, compressing the graphite to form a matrix, then filling the graphite matrix with the PCM.

A heat storage material composition according to an aspect of the present invention includes a main agent mixture composed of calcium chloride hexahydrate. ammonium chloride, and water. wherein when the content of calcium chloride hexahydrate is defined as CA mass %, the content of ammonium chloride is defined as NH mass %. and the content of water is defined as W mass % in 100 mass % of the main agent mixture, parameters X and Y defined by equations (P1) and (P2) below satisfy equations (1) to (5) below.

[Equation 1]

X=100×CA/(CA+W)   (P1)

[Equation 2]

Y=100×NH/(CA+NH+W)   (P2)

[Equation 3]

X−51.75>0   (1)

[Equation 4]

52.75−X>0   (2)

[Equation 5]

4.25−Y>0   (3)

[Equation 6]

1.2245X+Y−66.367>0   (4)

[Equation 7]

−2.1569X+Y+110.27>0   (5)

A polymeric composition containing at least one polymer and halloysite nanotubes is disclosed. At least a portion of the halloysite nanotubes is loaded with a phase change material and each of the loaded halloysite nanotubes contains at most one kind of phase change material. In addition, a preparation method and use of the polymeric composition are further provided.

Paraffin compositions including mainly even carbon number paraffins, and a method for manufacturing the same, is disclosed herein. In one embodiment, the method involves contacting naturally occurring fatty acid/glycerides with hydrogen in a slurry bubble column reactor containing bimetallic catalysts with equivalent particle diameters from about 10 to about 400 micron. The even carbon number compositions are particularly useful as phase change material.

A heat storage composite material comprises components by weight: 30-55 parts of organic phase change material, 30-40 parts of two-dimensional thermally conductive carbon material, 10-20 parts of lamellar structure graphite, and 0-10 parts of oil-absorbing organic resin. A preparing method include steps of stirring the organic phase change material to disperse on a surface of the two-dimensional thermally conductive carbon material, and melting them so the organic phase-change material is adsorbed in gaps of the two-dimensional thermally conductive carbon material; stirring and mixing the lamellar structure graphite and the two-dimensional thermally conductive carbon material adsorbed with the organic phase change material in a mixer to obtain a mixed material; and placing the mixed material in a lamination mold for lamination treatment to obtain a sheet-shaped heat storage composite material. The heat storage composite material has high thermal conductivity and is not easy to leak.

The present disclosure relates to a phase change material (PCM) composition and a process for preparation thereof, wherein said composition comprising a phase change material, glass fibers and xanthan gum. In a preferred embodiment, the phase change material is water (or ice) and the g lass fibers are glass wool. The disclosure also relates to a stackable and sealable package enclosing the PCM composition. In a particular embodiment, the PCM composition is used to prepare a cold box that may be used in cold chain transportation.

In one aspect, the present invention provides a resin member comprising a copolymer of ethylene and an olefin having 3 or more carbon atoms, and a straight-chain saturated hydrocarbon compound.

A fusible, phase-change powder composition includes a plurality of powder particles comprising a polymer composition, an unencapsulated phase-change material, and optionally, an additive composition; wherein the powder composition is fusible at a temperature of 25 to 105° C., or 28 to 60° C., or 45 to 85° C., or 60 to 80° C., or 80 to 100° C.

A phase-change energy-storage structure for building insulation. The wall structure is provided with a wall base, an insulation layer, an oriented structural board, a shaped phase-change energy-storage insulation board, and an exterior decorative board in sequence from outdoor to indoor. The shaped phase-change energy-storage insulation board is composed of an inorganic composite phase-change material and a packaging sheet. The inorganic composite phase-change material has a phase-change temperature of 10 to 40° C., obtained by compounding an inorganic hydrated salt and a porous structural carrier. In the inorganic composite phase-change material, a mass percentage of the inorganic hydrated salt is 40 to 95%, and the inorganic composite phase-change material is coated with a fire resistant and corrosion resistant light-cured resin. The coldness in outdoor air in summer night can be stored in the phase-change energy-storage insulation board, which can be released into the indoor air during the day.