Use of alkylhydroxyalkyl cellulose possibly in combination with a carboxymethyl cellulose for the improvement of gloss and printability

   
   

The present invention relates to use of an alkylhydroxyalkyl cellulose, which has alkyl groups having 1-3 carbon atoms and hydroxyalkyl groups having 2-3 carbon atoms, is free from hydrophobically modifying alkyl groups having at least 4 carbon atoms and has a turbidity point of 50-95.degree. C. The amount of carboxymethyl cellulose constitutes up to 1200 percent by weight of the amount of alkylhydroxyalkyl cellulose. An aqueous coating composition containing a combination of alkylhydroxyethyl cellulose and carboxymethyl cellulose is also described.

La actual invención se relaciona con el uso de una celulosa del alkylhydroxyalkyl, que tiene grupos alkyl el tener de 1-3 átomos de carbón y grupos hydroxyalkyl que tienen 2-3 átomos de carbón, está libre hydrophobically de modificar a grupos alkyl que tienen por lo menos 4 átomos de carbón y tiene un punto de turbiedad de 50-95.degree. C. La cantidad de celulosa carboxymethyl constituye hasta 1200 por ciento en peso de la cantidad de celulosa del alkylhydroxyalkyl. Una composición de capa acuosa que contiene una combinación de la celulosa del alkylhydroxyethyl y de la celulosa carboxymethyl también se describe.

 
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