Gravimetry and water contact angle measurements were performed to investigate the influences of some important factors on the photografting polymerization of LiAA.

• 短时间照射时，单体浓度增加有利于接枝率（Yg%25）的增加，随照射时间延长，单体浓度为1mol/L 时Yg%25达到峰值而后下降；