D - Textiles – Paper – 21 – J
Patent
D - Textiles, Paper
21
J
8/93.44
D21J 1/08 (2006.01) B41M 5/52 (2006.01) D21H 19/16 (2006.01) D21H 19/36 (2006.01) D21H 19/46 (2006.01)
Patent
CA 1289702
ABSTRACT OF THE DISCLOSURE: An agent for improving the printability of paper and board An agent for improving the printability of paper and board, essentially comprising 50 to 95% by weight of water, and 5 to 50% by weight of a mixture of I. 1 to 50% by weight of a) an organic quaternary ammonium salt having at least one C8-C22-alkyl group, b) a mixture of 50 to 99.5% by weight of an organic quaternary ammonium salt and 0.5 to 50% by weight of a saturated or unsaturated C8-C22-fatty acid, an oxi- dized wax or a polyglycol having a molecular weight of greater than 4,000, or c) a mixture of 50 to 99.5% by weight of an organic amine which has been partly neutralized using a mineral acid or a lower carboxylic acid, and 0.5 to 50% by weight of a saturated or unsaturated C8-C22- fatty acid, an oxidized wax or a polyglycol having a molecular weight of greater than 4,000, and II. 50 to 99% by weight of a water-soluble or water- swellable polymer containing anionic groups. In the case of printing papers which are treated with this agent preferably by coating, a reduction in strike- through and show-through of printing ink becomes espec- ially apparent.
548734
Berenbold Helmut
Dessauer Guido
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Institut Fur Papier Zellstoff-Und Fasertechnik Der Technischen Universitat Graz
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