Paper product and glue therefor

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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Details

106125, 106135, 106137, 106161, 1563084, 156311, 156336, 428347, 4284788, 428535, B32B 2714, B32B 906, C09J 502

Patent

active

045087733

ABSTRACT:
Paper products, such as wrapped rolls of newsprint, are provided wherein paper is bonded to paper by a glue formulation that is pumpable at elevated temperatures, which glue formulation includes animal glue, water and a water-soluble salt having an anion that is substantially divalent at the pH of the glue formulation. The paper product is prepared by heating the glue formulation and applying same at an elevated temperature.

REFERENCES:
patent: 1015365 (1912-01-01), Weelands et al.
patent: 1035090 (1912-08-01), Hunter
patent: 1166325 (1915-12-01), Church
patent: 2257440 (1941-09-01), Wood
patent: 2726162 (1955-12-01), Allen et al.
patent: 2899327 (1959-08-01), Christopher et al.
patent: 3294536 (1966-12-01), Baden et al.
patent: 4007163 (1977-02-01), Habu et al.
David J. Bak, "Foaming Action Improves Adhesive Performance", reprinted from Design News, May 26, 1980.

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