Investigation of the process of bonding interlining materials to flexible bases
DOI:
https://doi.org/10.36930/42194505Keywords:
interlining materials, flexible bases, adhesives, bonding strength, glue spread, open time.Abstract
The work studies the bonding strength of most typical flooring materials (foam rubber, felt, batting) with flexible bases (foam rubber, cardboard, cover fabric) in different combination. In the process of studies, the nature of destruction of glue joints was also monitored. Bonding of provo-diels with one-component adhesive on the elastomeric and solvent basis of DENLAKS SPG 2077. When conducting basic experimental investigation, the width of the interlining specimen was taken as being 50 mm; the length of the specimens was 200 mm.The threshold value of strength (minimum) was 0,5 kgf. The main variables of the experimental studies were glue spread (40-65 g / m2 – controlled by the weight method) and the open time (10-360 s).To carry out experiments, the B-plan was used.Based on the obtained regression equations of the second order, the graphic dependences of the function on variable factors were constructed. In most cases, the maximum strength of the connection can be achieved with an open exposure time of 10 s and an glue spread of 65 g/m2. We believe that for upholstered furniture manufacturers, when gluing flexible bases with flooring materials, it is sufficient to adhere to the adhesive consumption in the range of 40-45 g/m2 at an open exposure time of 10-100 s. Using these guidelines will help to ensure that the adhesive strength of the adhesive is properly bonded to the flexible substrates.
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