Soft paper of high strength and method for production thereof

Details Soft paper of high strength and method for production thereof Soft paper of high strength and method for production thereof

D - Textiles, Paper

21

H

D21H 11/10 (2006.01)

Patent

CA 2051218

ABSTRACT A paper having an advantageous combination of soft- ness and strength is disclosed, which is based on a mix- ture of cellulosic pulps and in which a) 55-90% by weight, of the total amount of cellulose fibres consists of a hardwood pulp, a waste paper pulp or a mechanical or semi-mechanical cellulosic pulp, or a mixture thereof, having a drainage resistance below 25°SR, and b) 10-45% by weight, of the total amount of cellulose fibres consists of a sulphite pulp and/or sulphate pulp based on softwood and having a drainage resistance exceeding 30°SR. The paper can be produced by preparing a stock from the cellulosic pulps a) and b) in the above amounts, whereupon the stock is taken up on a wire, and is drained and dried in per se known manner.

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