Studies on Paper Containing Vinylon

I. Influence of the Addition of Readily Soluble and Hardly Soluble Vinylon on the Properties of Kraft Paper

Abstract

Influence of the addition of the two types of vinylon for papermaking, readily soluble fibers and hardly soluble fibers, to kraft paper on the properties of the paper was examined.
The addition of the hardly soluble fibers to kraft paper improved the tear factor of the paper, and the effect was greater as the fiber length was longer.
The addition of the readily soluble fibers improved tensile, burst and folding strengths, and the effect was greater as the fiber length was shorter and the denier was finer.
By means of mixing the hardly soluble fibers to highly beaten pulp, paper being superior in not only tensile strength but also tear strength was made.