| 摘要 |
<p>The invention relates to a deinking agent for use in the regeneration of waste printed paper such as newspaper, magazine paper, hand bill paper, information recording paper and simili. This deinking agent comprises a reaction product obtained by addition reaction of alkylene oxide with a mixture of natural oil and an amine compound containing two or more active hydrogen atoms. With the deinking agent of the invention, a high-brightness, high-quality regenerated pulp can be obtained, regardless of kinds of waste printed paper.</p> |
