<p>A multilayer polymer film includes first and second polymer layers. The first polymer layer includes a first ultraviolet radiation absorber. The second polymer layer overlies the first polymer layer and includes a second ultraviolet radiation absorber. The first ultraviolet radiation absorber has a peak absorbtivity wavelength less than 300 nm and the second ultraviolet radiation absorber has a peak absorbtivity wavelength greater than 300 nm.</p>
申请公布号
EP1971483(A1)
申请公布日期
2008.09.24
申请号
EP20060845984
申请日期
2006.12.21
申请人
SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
发明人
SWEI, GWO SHIN;SKATCHKOV, VIKTOR;HETZLER, KEVIN, G.