D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/34 (2006.01) D21H 13/00 (2006.01) D21H 21/18 (2006.01) D21H 27/16 (2006.01) D21H 17/37 (2006.01) D21H 17/45 (2006.01) D21H 17/55 (2006.01)
Patent
CA 2211776
A saturated paper suitable for use in a clean room environment, which paper includes a fibrous web in which at least about 50 percent of the fibers comprising the web, on a dry weight basis, are cellulosic fibers. The paper also includes a saturant which is present in the saturated paper at a level of from about 10 to about 100percent, based on the dry weight of the fibrous web. The saturant, in tum, includes from about 98 to about 70 percent, on a dry weight basis, of a latex reinforcingpolymer having a glass transition temperature of from about -40°C to about 25°C; and from about 2 to about 30 percent, on a dry weight basis, of a cationic polymer. The saturant is adapted to render the saturated paper durable, low linting, and ink jet printable.
Un papier saturé qui convient pour utilisation dans un environnement de salle blanche, lequel papier comprend une nappe fibreuse dans laquelle au moins environ 50 % des fibres constituant la nappe, en poids sec, sont des fibres de cellulose. Le papier comprend également un agent saturant qui est présent dans le papier saturé à une concentration d'environ 10 à environ 100 %, par rapport au poids sec de la nappe fibreuse. L'agent saturant comprend, à son tour, d'environ 98 à environ 70 %, en poids sec, d'un polymère de renforcement au latex ayant une température de transition vitreuse d'environ -40 degrés C à environ 25 degrés C; et d'environ 2 à environ 30 %, en poids sec, d'un polymère cationique. L'agent saturant est adapté pour rendre le papier saturé durable, peu susceptible de former des poussières et imprimable au jet d'encre.
Borden Ladner Gervais Llp
Kimberly-Clark Worldwide Inc.
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