Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-02-17
1990-07-10
Simmons, David
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156278, 156324, 156335, 156390, 162184, 427180, 427202, 427204, 427205, 428208, 4289044, 4289088, B32B 3112
Patent
active
049405039
ABSTRACT:
This invention relates to a process for the production of a decorative thermosetting laminate with an abrasion-resistant surface layer, which laminate comprises paper sheets impregnated with a thermosetting resin. In the process a continuous paper is impregnated with a noble thermosetting resin such as melamine-formaldehyde resin. At least one side of the paper is coated with 2-20 g/m.sup.2, preferably 3-12 g/m.sup.2 of small, dry and hard particles evenly distributed over the whole wet surface of the resin on the continuous paper. The resin is dried, whereupon the particle coated impregnated paper, so-called prepreg is possibly cut to sheets. At least one such sheet or continuous paper is placed as a surface layer on a base layer and bonded thereto.
REFERENCES:
patent: 2057548 (1936-10-01), Wallach et al.
patent: 3373071 (1968-03-01), Fuerst
patent: 3461032 (1969-08-01), Lichtenberger et al.
patent: 3798111 (1974-03-01), Lane et al.
patent: 4263031 (1981-04-01), Scher et al.
Danielsson Sven E.
Johnsson Tommy M.
Lindgren Kent O.
Nilsson Nils-Joel A.
Prestorp AB
Simmons David
Yoder Michele K.
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