Multilayered articles and method of manufacture thereof

Details Multilayered articles and method of manufacture thereof Multilayered articles and method of manufacture thereof

2007-08-21

2007-08-21

Zemel, Irina S. (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polycarbonate

C428S212000, C428S480000, C430S014000

Reexamination Certificate

active

10698321

ABSTRACT:
Disclosed herein is a multilayered sheet comprising a core layer comprising a thermoplastic polymer and an IR absorbing additive; a first cap layer comprising a thermoplastic polymer and an electromagnetic radiation absorbing additive; wherein a surface of the first cap layer is disposed upon and in intimate contact with a surface of the core layer. Disclosed herein too is a method for manufacturing a multilayered sheet comprising melt blending a composition comprising a thermoplastic polymer and an IR absorbing additive to produce a core layer; melt blending a composition comprising a thermoplastic polymer and an ultraviolet radiation absorber to produce a first cap layer; combining the core layer with the first cap layer in such a manner that the cap layer is disposed upon and in intimate contact with a surface of the core layer.

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