Method of making a composite structure

Details Method of making a composite structure Method of making a composite structure

1992-03-13

1993-11-02

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156305, 1563073, 1563074, 428182, B32B 3112

Patent

active

052580873

ABSTRACT:
A method of making a composite structure from two first sheets of a natural fibre material such as paper and a second corrugated sheet of a natural fibre material such as paper, the second sheet being sandwiched between the two first sheets, includes the steps of impregnating the sheets with a liquid composition comprising a thermosetting resin such as a phenolic resin, an extending liquid for the thermosetting resin and a catalyst for the thermosetting resin, locating the second sheet between the two first sheets and polymerising the thermosetting resin to join the second sheet to the two first sheets to form the composite structure. The composite structure is of use in the building and packaging industry.

REFERENCES:
patent: 2454719 (1948-11-01), Scogland
patent: 3214324 (1965-10-01), Peerman
patent: 3530021 (1970-09-01), Reichl
patent: 3619342 (1971-11-01), Burke
patent: 3673031 (1972-06-01), Moilanen
patent: 3691002 (1972-09-01), Blandy
patent: 4096305 (1978-06-01), Wilkinson et al.
patent: 4409274 (1983-10-01), Chaplin et al.
patent: 4457800 (1984-07-01), Schure et al.
patent: 4623412 (1986-11-01), Bohme et al.
Hackh's Chemical Dictionary, fourth edition, McGraw-Hill, 1969, p. 259.

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