Effects of AKD Sizing on the Morphology and Pore Distribution Properties of OCC Fibers

Table 1

Contact angle behavior of different papers at different contact times.

Sample	5 s	10 s	20 s	30 s	40 s
A1
	88.4°	86.2°	80.9°	76.5°	65.8°
A3
	116.2°	115.3°	113.0°	112.5°	111.4°
A5
	125.7°	120.8°	119.3°	118.2°	116.5°

A1: 0.1% AKD added; A3: 0.3% AKD added; A5: 0.5% AKD added.