Hot roll glosser method with glossing temperature below free air glass transistion temperature of resin utilized
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United States of America Patent
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-
Dec 18, 1990
Issued Date -
N/A
app pub date -
Feb 22, 1990
filing date -
Jul 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hot roll glosser and method for the transparentising of resin-coated microencapsulated media includes a pair of heated pressing rolls, in which the roll which comes into contact with a resin surface is formed with an ultra-smooth silicone surface of low furface energy, and the glossing temperature of the rolls at the pressing nip is maintained below the glass transition temperature of the resin. Take-off rolls are disclosed for maintaining a tension in the web material exiting the nip to maintain a negative exit angle with respect to the silicone roll and to prevent adhesion and sticking to the roll.
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