Adhesives useful for production of corrugated board

Details Adhesives useful for production of corrugated board Adhesives useful for production of corrugated board

1988-11-29

1990-03-06

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524404, 524405, 524446, 524447, 524503, 524557, C08K 555

Patent

active

049066790

ABSTRACT:
A process for production of corrugated board using an aqueous adhesive which contains polyvinyl alcohol and clay, or polyvinyl alcohol, clay and water-soluble boron compound, the ratio of clay to polyvinyl alcohol being in the range of 200 to 600 parts by weight based on 100 parts by weight of polyvinyl alcohol, the ratio of water-soluble boron compound being not more than 15 parts by weight based on 100 parts by weight of polyvinyl alcohol, the solid content of the adhesive being 25 to 60% by weight characterized in that

REFERENCES:
patent: 3135648 (1964-06-01), Hawkins
patent: 3668166 (1972-06-01), Kane et al.
patent: 4442252 (1984-04-01), Sumi et al.

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