FIELD: chemistry.
SUBSTANCE: invention relates to a thermally reversible hot-melt adhesive which is isocyanate-free. The thermally reversible hot-melt adhesive contains at least one multifunctional diene monomer/prepolymer L-(X)P and at least one multifunctional dienophile monomer/prepolymer L-(Y)q, where at least one or P and Q is greater than 2.1. The thermally reversible composition can also be used as a priming coat.
EFFECT: thermally reversible hot-melt adhesive can be repeatedly heated and cooled without deterioration of performance characteristics of the adhesive.
20 cl, 4 tbl
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