Self-cooling foam-containing composite materials

US11248151B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11248151-B2
Application numberUS-201716098552-A
CountryUS
Kind codeB2
Filing dateApr 25, 2017
Priority dateMay 4, 2016
Publication dateFeb 15, 2022
Grant dateFeb 15, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Provided herein is a composite material that includes at least one thermoresponsive polymer and at least one organic foam material. Further provided herein is a method for producing the composite material and also to the use of the composite material for cooling and for regulating temperature.

First claim

Opening claim text (preview).

The invention claimed is: 1. A composite material comprising components: (A) at least one thermoresponsive polymer, (B) at least one organic foam material, the component (A) having a lower critical solution temperature (LCST), the lower critical solution temperature (LCST) being in the range from 5 to 70° C. and wherein component (B) is selected from polyurethane foam materials, and wherein the composite material further comprises a component (C) at least one clay mineral, wherein component (C) is a layered silicate and wherein the lower critical solution temperature (LCST) being the temperature at which component (A) and water exhibit a miscibility gap. 2. The composite material according to claim 1 , wherein component (A) is selected from the group consisting of poly(meth)acrylates, poly(meth)acrylamides, poly(meth)acryloylpyrrolidines, poly(meth)acryloylpiperidines, poly-N-vinylamides, polyoxazolines, polyvinyloxazolidones, polyvinylcaprolactones, polyvinylcaprolactams, polyethers, hydroxypropylcelluloses, polyvinyl ethers, and polyphosphoesters. 3. The composite material according to claim 1 , wherein component (B) is open-cell to an extent of at least 50%. 4. The composite material according to claim 1 , wherein component (C) is selected from the group consisting of montmorillonites and kaolinites. 5. The composite material according to claim 1 , wherein the composite material comprises in the range from 0 .5 to 50 wt% of component (A), in the range from 25 to 99.49 wt% of component (B), and in the range from 0.01 to 50 wt% of component (C), based in each case on the sum of the weight percentages of components (A), (B), and (C).

Assignees

Inventors

Classifications

  • with melamine · CPC title

  • C09K5/04Primary

    the change of state being from liquid to vapour or vice versa · CPC title

  • Homopolymers or copolymers of unsaturated ethers (C08J2435/08 takes precedence) · CPC title

  • Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers · CPC title

  • Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers · CPC title

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What does patent US11248151B2 cover?
Provided herein is a composite material that includes at least one thermoresponsive polymer and at least one organic foam material. Further provided herein is a method for producing the composite material and also to the use of the composite material for cooling and for regulating temperature.
Who is the assignee on this patent?
Basf Se
What technology area does this patent fall under?
Primary CPC classification C09K5/04. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Feb 15 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).