Methods of making combined titanium dioxide and calcium carbonat

Details Methods of making combined titanium dioxide and calcium carbonat Methods of making combined titanium dioxide and calcium carbonat

1975-08-15

1977-06-07

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-fiber additive

106300, 106306, 162181B, 162183, D21D 300

Patent

active

040281736

ABSTRACT:
Method of making TiO.sub.2 --CaCO.sub.3 combinations without involving a chemical reaction, said combinations, containing up to 50% CaCO.sub.3 in the combination, having the same scattering coefficient in paper as 100% TiO.sub.2 and method of making opaque paper containing the resulting combination.

REFERENCES:
patent: 3546066 (1970-12-01), Ware et al.
Casey, "Pulp & Paper," (1960), vol. II, p. 947.

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