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US 2023/0312844 A1Published application
Plant-Based Fibrous Product For Thermoforming
AssigneeMativ Holdings, Inc.
InventorsVincent Motin, Arthur Gouth, Thomas McKay
Life of this patent
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Abstract
A fibrous product for use in a variety of applications. The fibrous product particularly well suited for use in thermoforming 3-D articles such as food packaging, automotive parts, and electronic packaging. The fibrous product can be biodegradable, recyclable, and compostable. The fibrous product can contain a first plant fiber that is a non-wood fiber.
Claims21
A fibrous product for forming thermoformed articles comprising:
- a plant-based fibrous composition comprising a first plant fiber,
- wherein the first plant fiber is a non-wood fiber, wherein the first plant fiber has an average fiber length less than about 0.75 mm;
- and
- the plant-based fibrous composition further comprising a binder, wherein the binder is a natural polymer;
- wherein the binder is present in the plant-based fibrous composition in an amount less than that about 3% by weight.
2 more elements
A process for producing a fibrous product comprising:
- introducing a first plant fiber in a tank containing a liquid medium, wherein the liquid medium comprises sodium hydroxide;
- cooking the first plant fiber, wherein the cooking occurs under atmospheric conditions;
- a first washing of the first plant fiber, wherein the first washing increases the solids content of the first plant fiber to a range from about 15% to about 45%;
- a first refining the first plant fiber;
- screening the first plant fiber;
- and
- a second washing of the first plant fiber.
4 more elements
Dependencies are inferred from the claim text.