| 摘要 |
<p>A 'wet-on-wet' method of coating an optical glass fibre, so as to provide thereon an ultra violet radiation-cured clear primary coating and an ultra violet radiation-cured pigmented secondary coating, comprises: a) applying to the fibre a clear primary curable liquid coating composition, b) applying directly onto the curable primary composition a pigmented curable secondary liquid coating composition, and c) simultaneously curing both the primary and secondary coating compositions using ultra violet radiation, and acylphosphine photoinitiator being used as an initiator during the curing of the primary coating composition.</p> |
