Method for producing printed matter
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United States of America Patent
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Feb 2, 2021
Grant Date -
Apr 11, 2019
app pub date -
May 19, 2017
filing date -
May 27, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention aims to provide a method of producing a printed matter that shows suppressed scumming in planography. A method of producing a printed matter, the method including the steps of: allowing a dampening water to adhere to a hydrophilic layer of a planographic printing plate having at least the hydrophilic layer and a heat sensitive layer; allowing an ink to adhere to the heat sensitive layer; and transferring the ink adhering to the heat sensitive layer to an object to be printed; wherein the pH (A) of the ink and the pH (B) of the dampening water are both from 1 to 6.5.
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