Building boards

B - Operations – Transporting – 32 – B

Patent

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154/100, 154/97

B32B 21/00 (2006.01) B27N 3/06 (2006.01) B32B 27/04 (2006.01) C08J 5/24 (2006.01) C08L 61/34 (2006.01) D21H 17/48 (2006.01) D21H 17/51 (2006.01)

Patent

CA 1192826

ABSTRACT A method for the manufacture of fibreboard, particle board and laminates is provided whereby a phenoplast binding resin is caused to cure rapidly in the presence of an acid donor curing agent by the addition of an aminoplast resin, the curing agent being substantially inactive until curing temperatures are reached.

450542

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