Patent
Low-emissive paint
| العنوان: | Low-emissive paint |
|---|---|
| Patent Number: | 8,187,503 |
| تاريخ النشر: | May 29, 2012 |
| Appl. No: | 12/084779 |
| Application Filed: | November 09, 2006 |
| مستخلص: | The present invention concerns a low-emissive paint comprising metal particles, a binder and a solvent. The metal particles consist of a metal with lower electro-negativity than 1.9 but higher than 1.1 or a mixture of such metals, and the binder consists of polyaniline—PANI—or a polymer where a thiophene group is included in the chain. |
| Inventors: | Kariis, Hans (Linköping, SE); Hedborg Karlsson, Eva (Tjällmo, SE); Åkerlind, Christina (Linköping, SE); Hallberg, Tomas (Linköping, SE) |
| Assignees: | Totalforsvarets Forskningsinstitut (Stockholm, SE) |
| Claim: | 1. A method for reducing thermal emissions from a surface in the infrared wavelength range of 2.5-25 μm, which comprises applying a paint to the surface, the paint including metal particles, the metal particles being made from a metal selected from the group consisting of aluminium, zinc, iron, magnesium, beryllium, titanium, manganese, gallium, and chromium, in a binder solution containing poly(3,4-ethenedioxythiophene), polystyrene sulfonate, and water, the metal particles being 0.1-25% by weight of the paint. |
| Claim: | 2. The method as claimed in claim 1 , characterized in that the metal is selected from the group consisting of aluminium, zinc, magnesium, beryllium, titanium, manganese, and chromium, or a mixture of metals selected from said group. |
| Claim: | 3. The method according to claim 1 , wherein the metal particles are 5-15% by weight of the paint. |
| Claim: | 4. The method according to claim 3 , wherein the metal is aluminium. |
| Claim: | 5. The method according to claim 1 , wherein the metal is aluminium. |
| Claim: | 6. A method for reducing thermal emissions from a surface in the infrared wavelength range of 2.5-25 μm, which comprises applying a paint to the surface, the paint including nickel particles, in a binder solution containing poly(3,4-ethenedioxythiophene), polystyrene sulfonate, and water, the nickel particles being 0.1-25% by weight of the paint. |
| Claim: | 7. The method according to claim 6 , wherein the nickel is present in the amount of 5-15% by weight of the paint. |
| Current U.S. Class: | 252/512 |
| Patent References Cited: | 5147968 September 1992 Epstein et al. 5650461 July 1997 Wasserman et al. 6194484 February 2001 Hugo 6231789 May 2001 Hawkins et al. 7074348 July 2006 Geer et al. 7670511 March 2010 Horton 2002/0195353 December 2002 Dowling 2004/0079928 April 2004 Geer et al. 5105828 April 1993 2005066211 June 2005 |
| Other References: | Kingston, Rob, “Disappearing Tricks”, Chemistry in Britain, 1999, vol. 35, No. 10, pp. 24-26. cited by other Bormashenko, Edward, et al. “Infrared Optics Applications fo Thin Polyaniline Emeraldine Base Films”, Synthetic Metals, 2004, vol. 140, pp. 49-52. cited by other |
| Primary Examiner: | Kopec, Mark |
| Attorney, Agent or Firm: | Jacobson Holman PLLC |
| رقم الانضمام: | edspgr.08187503 |
| قاعدة البيانات: | USPTO Patent Grants |
| الوصف غير متاح. |