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US 2026/0234944 A1Published application
Cellulose based composite planks
AssigneeColumbia Insurance Company
InventorsLawrence A. Strickland, Michael J. Trapp, Donald Edward Hunt, JR.
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Abstract
Described herein are composite planks having a core layer and decorative layer. The composite planks contain layers are adhered to each other in absence of an adhesive material. Also described herein are methods for manufacturing composite planks. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Claims30
A composite plank, comprising:
- a homogeneous core layer having a top surface and an opposed bottom surface and a plurality of side edges extending between the opposed top and bottom surfaces,
- wherein the homogeneous core layer consists of a filled polymeric composition comprising:
- from about 10 weight percent to about 60 weight percent of cellulose acetate propionate, and
- from about 30 to 80 weight percent of a filler component;
- and
- a decorative layer comprising a printed film layer and a wear layer comprising cellulose acetate propionate,
- wherein the printed film layer comprises a substrate comprising cellulose acetate propionate and an ink layer,
- wherein the decorative layer has a top surface and an opposed bottom surface,
- wherein the opposed bottom surface of the decorative layer is a bottom surface of the substrate, and
- wherein the decorative layer overlies the homogeneous core layer.
7 more elements
A composite plank, comprising:
- a homogeneous core layer having a top surface and an opposed bottom surface and a plurality of side edges extending between the opposed top and bottom surfaces, wherein the homogeneous core layer has a thickness from 3 mm to 8 mm,
- wherein the homogeneous core layer consists of a filled polymeric composition comprising:
- cellulose acetate propionate, and
- a filler component;
- and
- a decorative layer comprising a printed film layer and a wear layer comprising cellulose acetate propionate,
- wherein the printed film layer comprises a substrate comprising cellulose acetate propionate and an ink layer,
- wherein the decorative layer has a top surface and an opposed bottom surface,
- wherein the opposed bottom surface of the decorative layer is a bottom surface of the substrate,
- wherein the decorative layer overlies the homogeneous core layer.
7 more elements
Dependencies are inferred from the claim text.