초록 ▼

The present invention is a composite pultruded product and the method for its manufacture. The product is made with a plurality of longitudinal glass roving strands. In addition, a cellulosic mat is used in association with the roving. The mat serves as a filler, or reinforcing filler, to ensure uni

The present invention is a composite pultruded product and the method for its manufacture. The product is made with a plurality of longitudinal glass roving strands. In addition, a cellulosic mat is used in association with the roving. The mat serves as a filler, or reinforcing filler, to ensure uniform resin distribution within the product even when the glass content is significantly reduced. The method can be carried out on convention pultrusion equipment with little or no modification. The cellulose fiber mats may be either air laid or wet laid and should have an ultimate moisture of 3% or less before being incorporated into the pultruded product.

대표청구항 ▼

A composite pultruded product consisting essentially of a plurality of longitudinally oriented essentially parallel glass roving strands; and a parallel oriented cellulosic mat interlayered between the roving strands, both the roving strands said cellulosic mat having a moisture content of 3% or les

A composite pultruded product consisting essentially of a plurality of longitudinally oriented essentially parallel glass roving strands; and a parallel oriented cellulosic mat interlayered between the roving strands, both the roving strands said cellulosic mat having a moisture content of 3% or less, and cellulosic mat being completely saturated with and enclosed within a resin matrix, wherein the glass roving strands comprise from 10-45%, the cellulosic mat from 4-40%, and the resin 40-70 % of the product, all measured by volume.