Modified clay paper coating

Textiles: manufacturing

Patent

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Details

106288B, 106 72, 427150, 427151, 428452, 428464, 428914, 428454, B32B 904, B32B 1304

Patent

active

041282639

ABSTRACT:
A modified clay paper coating composition comprising a montmorillonite clay having at least partially hydrolyzed aluminum chloride bonded thereto is made by treating montmorillonite clay with a non-aqueous solution of anhydrous aluminum chloride following by hydrolyzing with hot water. A paper substrate coated with this composition exhibits improved image light fastness when employed in a pressure-sensitive duplication system.

REFERENCES:
patent: 2307239 (1943-01-01), Rowland
patent: 3915734 (1975-10-01), Fitton
patent: 3980492 (1976-09-01), Thompson
patent: 4038101 (1977-07-01), Thompson

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