UV-blocking hot melt inks

Details UV-blocking hot melt inks UV-blocking hot melt inks

1996-09-27

1998-07-14

Jones, Deborah

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3131, 106 3135, C09D 1100

Patent

active

057797790

ABSTRACT:
UV-blocking hot melt ink jet inks for printing on flexible and other media. An UV-blocking hot melt ink jet ink for flexo-graphic plating comprises a wax, a plasticizer, an UV blocker, and a dye. Such an ink is flexible and durable, gives good printing quality, and is also removable from the flexo plate substrates during the wash out cycle of the flexo-plating process. Another UV-blocking hot melt ink jet ink for printing on silk screens comprises a wax, a fatty acid, an UV blocker and a dye. Such an ink is readily removable from the silk screen without harming the screen.

REFERENCES:
patent: 4256493 (1981-03-01), Yokoyama et al.
patent: 4390369 (1983-06-01), Merritt et al.
patent: 4484948 (1984-11-01), Merritt et al.
patent: 4851045 (1989-07-01), Taniguchi
patent: 4878946 (1989-11-01), Tabayashi et al.
patent: 4931095 (1990-06-01), Nowak et al.
Patent Coorperation Treaty, International Search Report, Sep. 26, 1997.

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