| 摘要 |
This invention relates to novel fabrics characterized by thermal insulation properties which change in response to changes in environmental temperature. The fabrics contain hollow inflatable elements having entrapped therein a gas and a solvent material which can be converted from liquid to solid phase by temperature changes within the environment of usage, said solvent material dissolving more of the gas when in the liquid phase than in the solvent phase. The elements contain more gas than can be dissolved by the solvent material within the elements when this material is in the solid phase and thus lowering the environmental temperature, so as to convert said material from the liquid to the solid phase, results in the expulsion of gas formerly dissolved in the liquid phase. The expelled gas inflates the inflatable elements within the fabric and increase the thermal insulating properties of the fabric. |
