B - Operations – Transporting – 21 – H
Patent
B - Operations, Transporting
21
H
92/65
B21H 5/00 (2006.01) A61L 15/00 (2006.01)
Patent
CA 1109709
ABSTRACT OF THE DISCLOSURE "ABSORBENT PAPERS" An absorbent paper is formed from 5 - 95% by weight of insoluble amino-formaldehyde resin fibres of 1 - 10 mm length and 1 - 30 µm diameter and correspond- ingly 95 - 5% cellulose pulp. Where the Canadian Standard Freeness of the cellulose pulp is below 310 x + 140 ml. (where x is the proportion of lignin free pulp in the cellulose pulp) the proportion of amino-formaldehyde fibres is such that the blend has a freeness above 220 x + 400 ml. The paper may be made by forming an aqueous slurry of the fibrous constituents into sheet form fol- lowed by dewatering.
334454
Imperial Chemical Industries Limited
Roussin Bernard F.
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