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US 5,846,381 AGranted
Process for making a printing paper with binder mixtures for paper coating slips
AssigneeBASF SE
InventorsThomas Wirth, Harald Nissler, Berthold Sturm, Dirk Lawrenz, Bernhard Schuler
Life of this patent
Estimating the term…
Abstract
Papers which are coated with a paper coating slip based on a binder containing A) from 1 to 49% by weight of polymers based on esters of acrylic acid or of methacrylic acid with a C.sub.4 -C.sub.12 -alkanol, having a glass transition temperature of from -80.degree. to +25.degree. C., and B) from 51 to 99% by weight of polymers based on butadiene, the stated weights being based on the sum A)+B), are used for offset printing.
Claims1
A process for making a printing paper wherein a base paper is coated with a paper coating slip containing a binder consisting essentially of
- A) from 1 to 19% by weight of water-insoluble polymers based on esters of acrylic acid or of methacrylic acid C.sub.4 -C.sub.12 -alkanol, having a glass transition temperature of from -50.degree. to -15.degree. C. and
- B) from 81 to 99% by weight of a polymers based on butadiene, the stated weight being based on the sum A)+B)
- and the paper coated in this manner is printed by an offset printing process.
Dependencies are inferred from the claim text.