Fiber tacking

Adhesives for paper tubes, paperboard, cormgated paperboard, and laminated fiber board are made from dispersions of clays suspended with fully hydrolyzed poly(vinyl alcohol). Addition of boric acid improves wet tack and reduces penetration into porous surfaces (312,313). The tackified grades have higher solution viscosity than unmodified PVA and must be maintained at pH 4.6—4.9 for optimum wet adhesion. 

Krska R., Kellner R., Schiessl U., Tacke M. and Katzir, Fiber optic sensor for chlorinated hydrocarbons in water based on infrared fibers and tunable diode lasers, Appl. Phys. Lett., 1993 63 (14), 1868-1871 A. 

See fig.l from I. Tacke, fiber die Auffin-dung der Elemente Masurium und Rhenium, Japanisch-Deutsche Zeitschrifi fur Wissenschafi und Technik 3 (1925) 365-370. 

Prepregs Prepregs are thin sheets of fibers impregnated with formulated thermoset precursors. The thermoset precursor formulation in the prepreg is in the so-called B-stage that characterizes an ungelled liquid of very high viscosity, but with the necessary tack, flexibility, and shelf life to facilitate part production. 

Fig. 1. Wires and Parts Tacked Down, Fiber Optics Bend using UV-curable Aerobic Acrylic.

Wire tacking Instrument assembly Fiber optics adhesives Speaker assembly... 

With solution spraying, on the other hand, the required amount of resin formulation is metered directly onto the fiber. In both cases, the impregnated fiber is then put through a heat cycle to remove the solvent and advance the chemical reaction in the resin to give the correct degree of tack. 

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