	US 11,879,213 B2
	Fibre composition, use of said composition and article comprising said composition
Elenice Pereira Maia, Americana São Paulo (BR); and Fábio Carucci Figliolino, Vila Monte Sion (BR)
Assigned to SUZANO S.A., Pituba Salvador (BR)
Appl. No. 17/413,497
Filed by SUZANO S.A., Pituba Salvador (BR)
PCT Filed Dec. 10, 2019, PCT No. PCT/BR2019/050530 § 371(c)(1), (2) Date Jun. 11, 2021, PCT Pub. No. WO2020/118400, PCT Pub. Date Jun. 18, 2020.
Claims priority of application No. BR 10 2018 075755 (BR), filed on Dec. 11, 2018.
Prior Publication US 2022/0380980 A1, Dec. 1, 2022
Int. Cl. D21H 15/02 (2006.01); D21H 11/04 (2006.01); D21H 11/18 (2006.01)

CPC D21H 15/02 (2013.01) [D21H 11/04 (2013.01); D21H 11/18 (2013.01)]

23 Claims

1. A fiber composition comprising fibres having a length equal or inferior to 7 mm and a viscosity from 10 to 20 cP, wherein the composition comprises the following fibre length distribution, based on dry weight:

i. 0 to 0.2 mm: 1.7 to 33.7%;

ii. 0.2 to 0.5 mm: 12.0 to 40.0%;

iii. 0.5 to 1.2 mm: 35.0 to 83.0%;

iv. 1.2 to 2.0 mm: 0.10 to 3.8%;

v. 2.0 to 3.2 mm: 0.06 to 0.10%; and

vi. 3.2 to 7.0 mm: 0.03 to 0.30%,

wherein the viscosity is measured according to ISO 5351 standard; and

the fibres are microfibrillated cellulose (MFC) fibres, alone or in a blend with cellulosic fibres.