Articles containing precisely branched functional polymeric phase change materials
US8673448B2 · kind B2 · utility
9Cited by
75References
22Claims
0Family size
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Key dates
| Filing date | Mar 4, 2011 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Jun 15, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2213
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In accordance with one aspect a temperature regulating article comprises a substrate and a polymeric phase change material bound to the substrate, wherein the polymeric phase change material is characterized by including a precisely branched polymer with substantially equally spaced repeating sidechains. In other embodiments the polymeric phase change material includes between 20 and 200 branches per 1000 carbon units, has a latent heat of at least 5 Joules per gram, and a transition temperature between 0° C. and 40° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.