Patent ID: 8481607
Filing Date: 2013-07-09
Classification: C08J,H01J,Y10T

Abstract:
1. A surface treatment method for a fluororesin molded body, which is a method for treating a surface of a fluororesin molded body containing an ethylene-tetrafluoroethylene copolymer by using a glow discharge generated by a pulsed electric field having a voltage-rising time of at most 10 μsec in a nitrogen atmosphere under a pressure in the vicinity of atmospheric pressure; which comprises carrying out a plurality of glow discharge treatments at intervals of at least 0.01 sec in a nitrogen atmosphere wherein the oxygen concentration is adjusted to be greater than 0% and at most 100 ppm and wherein, if hydrogen gas or carbon dioxide gas is present in the nitrogen atmosphere, the total amount of the hydrogen gas and the carbon dioxide gas is at most 10 mol% based on 100 mol% of the nitrogen gas, so that the discharge density of each of the glow discharges is from 40 to 200 W·min/m