Sca Tissue France

Essity Operations France

Georgia-pacific France

Essity Hygiene and Health Aktiebolag

Rémy Ruppel

Pierre Graff

Pierre Probst

Pierre Laurent

Gilles Cattacin

Donald Barredo

Gilles Roussel

Philippe Colin

Jean-Claude Dozzi

Michel Basler

Benoît Hoeft

Véronique Wiss

Frédéric Roesch

Sébastien Jeannot

Nicolas Weisang

Yves Denis

Damien Brendle

Bruno Bret

René Sigwalt

Anne-Gaëlle Clermont

Stéphanie Annaheim

Hervé Walgenwitz

Arnaud Jaegler

A fibrous sheet having a basis weight of between 20 and 1000 g/mthat disintegrates in water, has 10% to 70% starch on the basis of the total weight of the dry fibrous sheet. The disintegration time in water, measured in accordance with standard NF Q34-020 applied to a specimen of the sheet of 9&#xd7;8 cm, is less than 50 seconds. A loss of strength of the sheet measured in accordance with a defined table test corresponds to a loss of strength of a specimen of said sheet forming an angle of at least 85&#xb0; after having being wetted with water for a duration of 6 seconds, and/or a residual wet strength of the sheet relative to its dry strength, as measured according to a defined ring crush test, is less than 1%. The fibrous sheet may be used for the manufacture of a water disintegrable core in a roll of tissue paper.

Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet

A core intended to support a reel of paper, particularly toilet paper, is formed by winding at least one web of cellulose wadding. The core is formed by winding at least one web of cellulose wadding having at least 0.51 g of water-soluble material per gram of cellulose wadding, the water-soluble material being designed to make the web of cellulose wadding more rigid and easier to disintegrate. Thus configured, the core that has both mechanical strength fit for the intended purpose and is far easier to disintegrate than a core mad of cardboard such that it can be disposed of directly in a toilet bowl without the risk of blocking the waste pipe.

Core forming support of a paper reel

A fibrous sheet having a basis weight of between 20 and 1000 g/mbeing manufactured according to a wet papermaking process, and disintegrating in water in less than 120 seconds, has 10 to 70% starch and at least 30% of papermaking fibers on the basis of the total weight of the dry fibrous sheet. The sheet may be used for the manufacture of a water disintegrable core in a roll of tissue paper.

Fibrous sheet disintegrating in water, process for manufacturing said fibrous sheet, use of said fibrous sheet for the manufacture of a core

This invention relates to a sheet of paper made up of at least two plies of creped tissue paper, an upper ply and a lower ply, each of a surface measure ranging from 10 to 40 g/m, the upper ply being embossed and provided with first protuberances. It is characterized in that such first protuberances are divided into rows which between them delimit cells of an area ranging from 1 to 20 cm, the upper ply being longer in the direction of advance than the lower ply by at least 0.6% and joined to it by the apex of the first protuberances so that cushions are formed inside the cells.

Padded paper sheet

Growing community of inventors

Durrenentzen, France

Rémy Ruppel