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US 2014/0349094 A1Published application
Monolithic multilayer article
Assignee3M Innovative Properties Company
InventorsJames M. Jonza, Duane D. Fansler, Joel A. Getschel, Ibrahim S. Gunes, Jeffrey P. Kalish, Matthew J. Schmid, Mark A. Strobel, Chad R. Wold
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Abstract
A monolithic multilayer article includes a thermoformable cellular polyester core layer and an oriented polyester skin layer on at least one major side of the polyester core layer.
Claims25
A thermoformable monolithic multilayer article comprising:
- a thermoformable cellular polyester core layer;
- a first uniaxially-oriented or biaxially-oriented polyester skin layer on a first major side of the polyester core layer;
- and,
- a second uniaxially-oriented or biaxially-oriented polyester skin layer on a second major side of the polyester core,
- wherein the core layer and the first skin layer are self-bonded to each other and wherein the core layer and the second skin layer are self-bonded to each other.
2 more elements
Dependencies are inferred from the claim text.