Pre-cured one component polyurethane-based adhesive with high green strength in automotive construction
by L. Zabel
International Journal of Vehicle Design (IJVD), Vol. 12, No. 2, 1991

Abstract: This paper looks at the use of pre-cured one part polyurethane-based adhesives in the automotive construction industry. The various advantages of such adhesives are considered, including easy/safe handling and high strength. Pre-curing takes place in-line during processing. From the drum the adhesive gels to the hot-box with the same pump system as for I K polyurethane-processing. The partial cross linking occurs in the hot-box. The resultant medium-viscosity melt gets through the metering unit to the nozzle and is applied in hot state. Rapid cooling-down provides for the quick grab needed in assembly operation, and final strength is reached by humidity curing.

Online publication date: Tue, 27-May-2014

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