C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/33 (2006.01) C09D 7/00 (2006.01)
Patent
CA 2119055
ABSTRACT OF THE DISCLOSURE The present invention relates to low-gloss compositions for high reflectance films in the infra-red range. The low-gloss compositions comprise a binder, a quasi-trans- parent filler particles having a size below 110µ, posses- sing low emissivity in the thermal infra-red wavelengths in the range of 3-5µ and 8-12µ, consisting of thin layers which contain between 0.1% to 10% by weight of the compo- sition of a polyolefin. These compositions are characte- rized by an index of refraction of polyolefin-air of at least 10% greater than that of the binder-air. Preferred compounds for thin layers consist of at least two oxides selected from chromium oxides, nickel oxides, iron oxides, manganese oxides and cobalt oxides. The preferred amount of the filler is in the range of between 0.3% to 5% by weight of the composition and comprises particles of a substantial round or elipsoid shapes.
Sim & Mcburney
State Of Israel - Ministry Of Defence Armament Development Autho Rafael
LandOfFree
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