Sol que contiene partículas a base de sílice; uso de dicho sol como medio de drenaje y retención en la fabricación de papel; y proceso para producir papel (solicitud divisional 1625-08)

摘要

The invention relates to a sol containing silica-based particles having an axial ratio of at least about 10 and S-value up to about 25. The invention further relates to a process for producing paper in which the sol containing silica-based particles is used as a drainage and retention aid.