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US 2020/0139686 A1Published application
Composite polymeric film wear layer for hard surfaces
AssigneeInvista North America S.A.R.L.
InventorSundar Mohan RAO
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Abstract
A composite polymeric film wear layer for application as a surface protection layer to impart lower gloss, higher scratch resistance, wear performance and comfort under foot to hard surface substrates is provided. Hard surface substrate made with the composite as well as methods for application are also provided.
Claims37
Composite transparent flooring layer comprising:
- a. a bottom layer containing a first polymeric continuous phase and a first discontinuous phase comprising a matting agent with durometer Shore A hardness in the range 50 to 100;
- b. a top polymeric layer comprising a second polymeric continuous phase and a second discontinuous phase comprising abrasion resistant particles,
- wherein the top polymeric layer has a durometer Shore A hardness in the range 50 to 100 and wherein the top layer contains less than 5% of matting agent;
- and
- c. a middle cushioning layer between the bottom polymeric layer and the top layer.
2 more elements
A composite polymeric wear layer comprising:
- a. a bottom polymeric layer comprising a polymer and matting agents;
- and
- b. a top polymeric layer comprising a polymer and a plurality of abrasion resistant particles.
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Dependencies are inferred from the claim text.