Free-flowing, chemically resistant color granulates, their prepa

Details Free-flowing, chemically resistant color granulates, their prepa Free-flowing, chemically resistant color granulates, their prepa

1993-12-29

1995-02-28

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 17, 501 21, 501 26, 106489, C03C 104, C03C 608

Patent

active

053937147

ABSTRACT:
The present invention provides free-flowing chemically resistant color granulates that are heat resistant and color stable in aggressive media. The color granulates comprise 20-94.8% by weight coloring bodies, 5-75% by weight of one or more frits, 0.220% by weight binder and 0.03-15% by weight organosilanes and/or polyorganosiloxanes. The glass frit comprises by weight 20-90% SiO.sub.2 +B.sub.2 O.sub.3 +Al.sub.2 O.sub.3, 0-6% Na.sub.2 O+Li.sub.2 O, 0-6% K.sub.2 O, 10-25% CaO+MgO+ SrO, 0-35% TiO.sub.2 +ZrO.sub.2, 0-40% Bi.sub.2 O.sub.3 +P.sub.2 O.sub.5 +V.sub.2 O.sub.5 +MoO.sub.3 +WO.sub.3 and 0-10% ZnO.

REFERENCES:
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patent: 4039697 (1977-08-01), Isawa et al.
patent: 4128438 (1978-12-01), Wolff et al.
patent: 4659586 (1987-04-01), Schittenhelm et al.
patent: 4818294 (1989-04-01), Rayathatha et al.
patent: 5275978 (1994-01-01), Shibuya et al.

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