Book binding process involving primer adhesive containing starch

Details Book binding process involving primer adhesive containing starch Book binding process involving primer adhesive containing starch

1986-08-19

1987-10-27

Bell, Paul A.

Books, strips, and leaves

Book, element thereof, or accessory therefor

412 8, 156321, B42C 900, B42C 1100, B42D 100

Patent

active

047024968

ABSTRACT:
The present invention relates to an improved book-binding process comprising the use of an aqueous primer adhesive composition containing ungelatinized starch. A layer of the primer adhesive is coalesced to a resilient hinge by the application of a hot-covering adhesive without the need for an intermediate drying step. The coalesced film of primer adhesive provides a suitable underlying substrate for the adherent covering adhesive which binds the cover stock to the finished book.

REFERENCES:
patent: 3844868 (1974-10-01), Wentroble et al.
patent: 4116740 (1978-09-01), Musselman et al.
patent: 4297154 (1981-10-01), Keller
patent: 4377649 (1983-03-01), Sweeney et al.
patent: 4442129 (1984-04-01), Niwa et al.
patent: 4564649 (1986-01-01), Hume et al.
patent: 4608111 (1986-08-01), Hume et al.
patent: 4668325 (1987-05-01), Katz
"Why National Starch Dropped R&D in Hot Melt Corrugating", Paperboard Packaging (Nov. 1974) at pp. 54-55.

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