FLEXIBLE PCM SHEET MATERIALS Russian patent published in 2018 - IPC B32B7/02 B32B3/16 C09K5/06 F28D20/02 

FIELD: laminated products or materials.

SUBSTANCE: invention relates to flexible PCM sheet materials having a high latent thermal energy storage density for the purpose of heat management. Flexible PCM sheet material comprises a flexible two-dimensional supporting structure and phase-change-material elements arranged thereon separately in a specific geometry, wherein the phase-change material is bonded by at least two polymers, of which at least one polymer is selected from the group of styrene-containing block copolymers, and at least one polymer is selected from the group of styrene-free ethylene / butylene copolymers, wherein the sheet material is dimensionally stable even in during phase transition, has a latent heat storage capacity of 100 to 250 J/g and / or 300 to 1000 kJ/m² and can rolled, folded, wound, or cut to a certain size or multi-layered shape.

EFFECT: invention enables to produce PCM materials with a high latent heat storage capacity and optimised thermal conductivity, which are dimensionally stable even in the event of temperature changes and after phase transitions, are easy to transport, store, process or use in the form of a single layer or in a multi-layered form.

11 cl, 4 dwg, 1 tbl, 4 ex