Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1989-03-02
1990-01-23
Lesmes, George F.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
1621644, 1621814, 1621817, 162DIG5, 428328, 428528, 428530, 4285375, B32B 2900
Patent
active
048957593
ABSTRACT:
Described is a titanium dioxide-containing resin saturable paper sheet in which from about 5 to about 40 weight percent of the titanium dioxide filler is replaced with amorphous precipitated silica having an essentially neutral to slightly alkaline, e.g., 6.5 to 8.5, pH and a medium agglomerate particle size of less than 30 micrometers, e.g., 3 to 10 micrometers. The BET surface area of the silica may vary from about 25 to about 200 m.sup.2 /g, e.g., 50 to 100 m.sup.2 /g. Also described are decorative laminates in which the core of the laminate contains at least one of such saturable paper sheets.
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Brown Christopher
Lesmes George F.
PPG Industries Inc.
Stein Irwin M.
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