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US 2023/0151548 A1Published application
Paper comprising microfilaments
AssigneeTeijin Aramid B.V.
InventorsFresia ALVARADO CHACON, Richard VISSER, Ernst Michael WINKLER
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Abstract
Paper with a grammage of 10-100 g/m2 including at least 20 wt. % of microfilaments and at least 20 wt. % of a non-resinous binder, the microfilaments having an average filament length in the range of 2-25 mm and titer less than 1.3 dtex, the non-resinous binder comprising at least one of fibrid or pulp. The paper shows high strength and other attractive properties.
Claims14
Paper with a grammage of less than 40 g/m2 comprising:
- at least 20 wt. % of microfilaments and
- at least 20 wt. % of a non-resinous binder,
- wherein
- the microfilaments have an average filament length in the range of 2-25 mm and titer less than 1.3 dtex,
- the non-resinous binder comprises at least one of fibrid or pulp,
- the paper comprises at least 20 wt % of aramid fibrids,
- the microfilaments are aramid microfilaments, and
- the paper has a density of about 0.8 to 0.9 g/cm3.
5 more elements
Dependencies are inferred from the claim text.