5results about How to "Increase heat storage" patented technology

A heat-accumulating composition comprising a substance A and a polymer 2, the heat-accumulating composition having a melting peak temperature between 10 and 60°C and a melting enthalpy between 10 and 60°C of 30 J / g or more, the heat-accumulating composition not having an island-in-sea structure, or the heat-accumulating composition having an island-in-sea structure, the volume average equivalent circle particle diameter of the islands (dispersed phase) being 1.5 μm or less or the area ratio of the islands (dispersed phase) being 15% or less.

This invention relates to a curable composition, a heat storage material, and an article. The curable composition comprises a compound (1A) represented by formula (1-2) having a Mw of 7000 or more; a compound (1B) represented by formula (1) having a Mw of less than 2000; a compound represented by formula (2); and a polymerization initiator. In formula (1-2), R 11 and R 12 Each can be used independently to represent a hydrogen atom or a methyl group, R 14 R represents ethylene, m represents 2 or more such that the molecular weight of the compound represented by formula (1-2) is an integer greater than or equal to 7000. In formula (1), R 11 and R 12 Each can be used independently to represent a hydrogen atom or a methyl group, R 13 This represents a divalent group with a polyoxyalkylene chain. In formula (2), R 21 R represents a hydrogen atom or a methyl group. 22 Let R be the basis represented by the following equation (2-1). In equation (2-1), R 23 R represents oxyethylidene 24 This indicates a hydrogen atom or an alkyl group, n represents an integer greater than 2, and * represents a bond.

This utility model discloses a seamless garment for smog protection and warmth, comprising a main body, a detachable hood attached to the main body, and sleeves on both sides of the main body. The hood's nose and mouth area features a breathable composite structure, comprising an outer high-density compression weave and an inner breathable weave. The high-density compression weave has a knit density ≥22 stitches / inch, and the breathable weave has a porosity ≥45%. The main body, hood, and sleeves each have corresponding zoned warmth-retaining structures, including a main body warmth-retaining zone, a neck protection zone, and a joint protection zone. The main body warmth-retaining zone features a three-dimensional puff weave; the neck protection zone features a high-density waffle weave; and the joint protection zone features large honeycomb weave at the waist, abdomen, and elbows. This utility model has the advantage of synergistic smog protection and warmth retention, satisfying both needs.

The invention discloses a composite phase change heat storage material as well as a preparation method and application thereof, and belongs to the technical field of phase change heat storage materials. The invention discloses a composite phase change heat storage material which is prepared from the following components in percentage by mass: 50%-75% of a phase change core material, 20%-45% of a porous carrier matrix and 3%-10% of a heat conduction reinforcing agent, the porous carrier substrate is diatomite; the heat conduction reinforcing agent is expanded graphite. The technical problem that an existing phase change heat storage material is difficult to have high heat storage density, excellent shaping effect, high heat conductivity and good mechanical property at the same time is remarkably solved.

The utility model discloses a flue type waste heat recycling device, which belongs to the field of waste heat recovery and comprises a flue connecting pipe, a switch component arranged at the right end of the flue connecting pipe, a dust backflow prevention component arranged at the right end of the switch component, and a filter component arranged at the right end of the dust backflow prevention component. According to the technical scheme, the heat storage device is characterized in that reverse protruding blocks which are distributed in a staggered mode are arranged in a conveying pipe, dust backflow is effectively prevented, the situation that dust flows back to block a flue connecting pipe is avoided, a large-hole filtering plate and a small-hole filtering plate are sequentially arranged in the filtering assembly in a matched mode, and the heat storage assemblies are arranged at the outer end of the filtering assembly in a matched mode. The waste heat is filtered in a classified mode; meanwhile, the contact area with the waste heat is increased through spiral heat conduction pieces in the heat storage assembly, meanwhile, a circulation loop is formed through a backflow pipe, the waste heat circulates in the device, the heat storage assembly can be independently taken down to be used at other places, and waste heat recycling is effectively achieved.