Heat Regulating Article With Moisture Enhanced Temperature Control

• US 20100015430A1
• Filed: 06/17/2009
• Published: 01/21/2010
• Est. Priority Date: 07/16/2008
• Status: Abandoned Application

• Current Assignee: Outlast Technologies, Incorporated
• Original Assignee: Outlast Technologies, Incorporated
• Inventors: Eyal, Aharon, Hartmann, Mark
• Application Number:
  US12/486,396
• Publication Number:
  US 20100015430A1
• Time in Patent Office: Days
• US Class Current: 428/323
• CPC Class Codes: B32B 19/045 of synthetic resin
• CPC Class Codes: B32B 19/08 comprising asbestos
• CPC Class Codes: B32B 2262/062 Cellulose fibres, e.g. cotton
• CPC Class Codes: B32B 2262/065 Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
• CPC Class Codes: B32B 2262/08 Animal fibres, e.g. hair, wool, silk
• CPC Class Codes: B32B 23/08 of synthetic resin
• CPC Class Codes: B32B 2307/728 Hydrophilic
• CPC Class Codes: B32B 2307/73 Hydrophobic
• CPC Class Codes: B32B 2419/00 Buildings or parts thereof walls, panels B32B2607/00
• CPC Class Codes: B32B 2439/00 Containers; Receptacles closures therefor B32B2435/00
• CPC Class Codes: B32B 2457/00 Electrical equipment
• CPC Class Codes: B32B 2535/00 Medical equipment, e.g. bandage, prostheses, catheter medical patches B32B2556/00
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/12 next to a fibrous or filamentary layer
• CPC Class Codes: B32B 27/34 comprising polyamides
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: B32B 7/027 Thermal properties
• CPC Class Codes: B32B 9/002 comprising natural stone or artificial stone
• CPC Class Codes: B32B 9/02 comprising animal or vegetable substances , e.g. cork, bamboo, starch
• CPC Class Codes: B32B 9/025 comprising leather
• CPC Class Codes: B32B 9/045 : of synthetic resin
• CPC Class Codes: C08L 101/14 : the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
• CPC Class Codes: C09D 201/02 : characterised by the presence of specified groups , e.g. terminal or pendant functional groups
• CPC Class Codes: C09K 5/063 : Materials absorbing or liberating heat during crystallisation; Heat storage materials
• CPC Class Codes: F28D 20/023 : the latent heat storage material being enclosed in granular particles or dispersed in a porous, fibrous or cellular structure
• CPC Class Codes: Y10T 428/25 : Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
• CPC Class Codes: Y10T 428/31504 : Composite [nonstructural laminate]
• CPC Class Codes: Y10T 428/31511 : Of epoxy ether
• CPC Class Codes: Y10T 428/31558 : Next to animal skin or membrane
• CPC Class Codes: Y10T 428/31562 : Next to polyamide [nylon, etc.]
• CPC Class Codes: Y10T 428/31565 : Next to polyester [polyethylene terephthalate, etc.]
• CPC Class Codes: Y10T 428/31591 : Next to cellulosic
• CPC Class Codes: Y10T 428/31725 : Of polyamide
• CPC Class Codes: Y10T 428/31732 : At least one layer is nylon type
• CPC Class Codes: Y10T 428/31736 : Next to polyester
• CPC Class Codes: Y10T 428/31739 : Nylon type
• CPC Class Codes: Y10T 428/31779 : Next to cellulosic
• CPC Class Codes: Y10T 428/31786 : Of polyester [e.g., alkyd, etc.]
• CPC Class Codes: Y10T 428/31855 : Of addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31971 : Of carbohydrate

Abstract

An article having reversible thermal regulation properties comprises a substrate and a functional polymeric phase change material having a heat carrying capacity. The article is further characterized by a chemical function having moisture adsorbing properties that increase the heat carrying capacity.

Claims

1. An article having reversible thermal regulation properties, the article comprising:

a substrate; and

a functional polymeric phase change material having a first heat carrying capacity;

wherein the article is further characterized by a chemical function having moisture adsorbing properties that increase the first heat carrying capacity.

2. The article of claim 1, wherein the moisture adsorbing properties of the chemical function are reversible.

3. The article of claim 1, further comprising at least one ingredient selected from a group consisting of a hydrophilic component, another functional polymeric phase change material, a phase change material, microcapsules comprising phase change materials, and binders.

4. The article of claim 1 wherein the chemical function is selected from a group consisting of polar chemical functions, hydrophilic chemical functions, chemical functions capable of forming hydrogen bonds and combinations of the foregoing.

5. The article of claims 1 wherein the chemical function is selected from a group consisting of acid functions, hydroxyl functions, ester functions, ether functions, aldehyde and ketone functions, amine and amide functions, functions comprising sulfur-oxygen bonds, functions comprising phosphorous-oxygen bonds, carboxylate salts, sulfate salts, phosphate salts, and combinations of the foregoing.

6. The article of claim 1, wherein the chemical function is carried on at least one of the functional polymeric phase change material, the substrate and at least one other ingredient.

7. The article of claim 1, wherein said functional polymeric phase change material is chemically bound to the substrate and wherein the chemical binding is at least one of covalent binding and electrovalent binding.

8. The article of claim 7, wherein the binding is at least one of direct binding and binding via a connecting compound.

9. The article of claim 1, wherein the substrate is selected from a group consisting of cotton, wool, fur, leather, polyester, alpaca, angora, camel hair, cashmere, catgut, chiengora, llama, mohair, silk, sinew, spider silk, wool, and protein based materials, various types of vegetable based products such as bamboo, coir, cotton, flax, hemp, jute, kenaf, manila, piñ

a, raffia, ramie, sisal, and cellulose based materials, asbestos, basalt, and mica.

10. The article of claim 1, wherein the functional polymeric phase change material comprises a reactive function selected from a group consisting of glycidyl function and epoxy function and the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon.

11. The article of claim 1, wherein the functional polymeric phase change material comprises an anhydride function and the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon.

12. The article of claim 1, wherein the functional polymeric phase change material comprises an isocyanate function and the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon.

13. The article of claim 1, wherein the functional polymeric phase change material comprises a reactive function selected from a group consisting of an amine function and an amide function and the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon.

14. The article of claim 1, wherein the functional polymeric phase change material comprises a silane function and the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon.

15. The article of claim 1, wherein the functional polymeric phase change material comprises a double bond.

16. The article of claim 1, wherein the first heat carrying capacity is in the range between 2 and 150 J/g.

17. The article of claim 1, wherein the functional polymeric phase change material comprises a hydrophilic crystallizable section.

18. The article of claim 1, wherein the functional polymeric phase change material comprises a hydrophobic crystallizable section.