Abstract: The present invention provides a novel down-like cotton material which is bulky, light-weight, excellent in washing resistance, heat-retaining property and heat insulation property and provides volume feeling, without odor from animals. The down-like cotton material 1 of the present invention is formed as a cotton-like long fiber, in which filaments of an axial fiber and a float each composed of a polyester raw yarn are united by air entangling in air flow to be entangled, connected and integrated to have a down ball-like mass in an aligned form, and the diameter of the down ball-like mass is 1.0 to 3.5 cm and down ball-like masses are continually aligned at an interval of up to about 10 cm or less in a length direction of the axial fiber.

Abstract: A human body cooling apparatus including: an exterior element in which two covering members in a seat shape each having a front cloth formed of a fabric-like material, and a backing cloth formed of a non-water absorbent material which is weldable by heating are put one upon another; a cooling medium containing gel internally packed within cooling medium areas continuously formed within the exterior element in areas other than the outer edge welded portion and the plurality of cooling medium excluding portions defined by the partially welded portions in the internal area; and an outer edge sealed portion in a rectangular shape provided by sewing over an outer edge of the exterior element.

Abstract: [Problem to be Solved] The present invention provides a water gel in the form of, for example, flakes with which the defects, such as malodor, discoloration, and hydration, associated with conventional water gels have been eliminated. [Solution] The water gel 1 according to the present invention is provided by using, as raw materials, an alkaline solution, and a monomer, such as acrylic acid, acrylate, or acrylamide, which is added to the alkaline solution, the content of the monomer being approx. 10% to 20%; making a pH-value adjustment; adding a crosslinking agent, a photoprimer and a photosensitizer; and making a UV photo-curing treatment at a wavelength of 320 nm to 400 nm for photocrosslinking the monomer to produce a water gel in the form of, for example, flakes.

Abstract: [Problem to be Solved] A third invention provides a human body cooling apparatus which suppresses uneven distribution due to the migratability of a built-in cooling medium, thereby exhibiting a sufficient cooling effect for the body.