Sheet or web carrying an antistatic layer

Details Sheet or web carrying an antistatic layer Sheet or web carrying an antistatic layer

1989-02-02

1991-04-16

Lesmes, George F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

428331, 428341, 428452, 428480, 4285375, 430531, 430533, 430538, B32B 516, G03C 176

Patent

active

050081780

ABSTRACT:
A sheet or web material being a subbed or unsubbed hydrophobic resin support or paper support coated with at least one hydrophobic resin layer having at least on one side an outermost antistatic layer containing colloidal silica, characterized in that the antistatic layer is free from any cationic surfactant and consists of at least 70% of weight of colloidal silica having an average particle size smaller thatn 7 nm and a surface area of at least 500 m2 per gram, the colloidal silica being present at a coverage of at least 50 mg per m2.

REFERENCES:
patent: 3525621 (1968-02-01), Miller

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