A flexible thermal control composite comprising a natural or synthetic polymer and an endotherm dispersed, distributed and suspended within said natural or synthetic polymer i.e. "P"olymer "C"ontaining an "E"ndothermic "A"gent (PCEA). The PCEA can be formed into thin and thick films. It can be drawn
A flexible thermal control composite comprising a natural or synthetic polymer and an endotherm dispersed, distributed and suspended within said natural or synthetic polymer i.e. "P"olymer "C"ontaining an "E"ndothermic "A"gent (PCEA). The PCEA can be formed into thin and thick films. It can be drawn, molded, extruded and spun into fibers or all dimensions. It can be formed and chopped into PCEA mulch. Irrespective its final form, the PCEA can be used in insulating, thermoprotecting, heat absorbing applications on the one hand, and heat maintenance applications of all types on the other.
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The invention claimed is: 1. A cured flexible thermal control composite comprising boric acid distributed, dispersed and suspended in a polymer having a molecular structure consisting of long chains of mostly linear molecules which prior to curing provide interstitial spaces through which the boric
The invention claimed is: 1. A cured flexible thermal control composite comprising boric acid distributed, dispersed and suspended in a polymer having a molecular structure consisting of long chains of mostly linear molecules which prior to curing provide interstitial spaces through which the boric acid is distributed, dispersed and suspended and defines a fixed state therein on curing; and a thermally conductive substrate adhered to said boric-acid containing polymeric material; wherein said boric acid functions as an endothermic agent to effect heat absorption at least in part based on liquefaction or decomposition of said boric acid in said fixed state. 2. The flexible thermal control composite of claim 1, wherein the boric acid endothermic agent is recyclable. 3. The flexible thermal control composite of claim 1, wherein the boric acid endothermic agent is micronized. 4. The flexible thermal composite of claim 1 wherein said polymer is selected from the group consisting of natural and synthetic polymers. 5. The flexible control composite of claim 1 wherein said polymer is selected from the group consisting of latexes, silicones, polyimides, polyesters, high density polymers, polyamides, polyacrylates, polyetherimides, polyketones, polyphenylene oxides, polyphenylene sulfides, polyphenyl sulfones, acetals, nylons, ABS, polyetherketones, phenolics, polystyrenes, cellulose, polycarbonates, polyethylenes, polypropylenes, acrylenes, polyurethanes, polyvinyls, polyvinylchlorides and mixtures thereof. 6. The flexible thermal control composite of claim 1, in the form of a film. 7. The thermal control composite of claim 6, wherein said film has a thickness of 0.05 to 2.0 ml. 8. The thermal control composite of claim 6, wherein said film contains said endothermic agent in an amount of 0.001 and 1.2 grams per square inch. 9. The thermal control composite of claim 1 in the form of a molded structure. 10. The thermal control composite of claim 9, wherein said molded structure contains said endothermic agent in an amount of 0.5 to 60% by weight of said molded structure. 11. The thermal control composite of claim 1, wherein said polymer is a silicone. 12. A cured flexible thermal control composite comprising boric acid distributed, dispersed and suspended in a polymer selected from the group consisting of latexes, silicones, polyimides, polyesters, high density polymers, polyamides, polyacrylates, polyetherimides, polyketones, polyphenylene oxides, polyphenylene sulfides, polyphenyl sulfones, acetals, nylons, ABS, polyetherketones, phenolics, polystyrenes, cellulose, polycarbonates, polyethylenes, polypropylenes, acrylenes, polyurethanes, polyvinyls, polyvinylchlorides and mixtures thereof; and a thermally conductive material adhered to said boric-acid containing polymeric substrate; wherein said boric acid functions as an endothermic agent to effect heat absorption at least in part based on liquefaction or decomposition of said boric acid when distributed, dispersed and suspended in said polymer. 13. The cured flexible thermal control composite of claim 1 in the form of a drapable film adaptable for use in protective clothing. 14. The cured flexible thermal control composite of claim 1 which has been knit, spun or woven into protective cloth. 15. Method for achieving thermal control in extreme environmental conditions which comprises utilizing a cured flexible thermal composite according to claim 1 as or on a surface to achieve an isothermal situation. 16. Method for protecting spacecraft electronics and satellites from the harmful effects of solar radiation which comprises utilizing a cured flexible thermal composite according to claim 1 as a flexible thermal shield therefore. 17. Method for providing for absorption of heat which comprises utilizing a cured flexible thermal composite according to claim 1 in at least one of clothing, a boat, furniture, a pipe, a house, a diving suit, a hose, an auto interior, a fire wall, fire gear and chemical processing equipment.
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이 특허에 인용된 특허 (8)
Zuckerman Joseph L. ; Pushaw Robert J. ; Perry Bernard T. ; Wyner Daniel M., Fabric coating composition containing energy absorbing phase change material.
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