Multilayer composites with special visual effects

Details Multilayer composites with special visual effects Multilayer composites with special visual effects

2008-04-15

2008-04-15

Kiliman, Leszek (Department: 1794)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S515000, C428S520000, C428S522000

Reexamination Certificate

active

11761753

ABSTRACT:
The present invention relates to multilayer composites which show special visual effects while maintaining other beneficial properties such as melt strength and impact strength. In one embodiment the present invention relates to a multilayer composite comprising, in sequence, (i) optionally, an outer layer comprising an acrylic resin which is substantially transparent to visible light, (ii) a second layer comprising a first rubber modified thermoplastic resin which is substantially transparent to visible light, and at least one additive to provide a special visual effect; (iii) a third layer comprising a light-blocking layer; (iv) a fourth layer comprising a second rubber modified thermoplastic resin different from said first rubber modified thermoplastic resin; (v) optionally, a fifth layer comprising a tielayer; and (vi) optionally, a substrate layer. In other embodiments the present invention relates to articles made from the composite.

REFERENCES:
patent: 6589378 (2003-07-01), Grefenstein et al.
patent: 7135233 (2006-11-01), Gaggar et al.

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