Flocking adhesive for flexible substrates

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524872, 528 52, 528 67, 528 73, C08L 7500

Patent

active

045351210

ABSTRACT:
An adhesive for flocking elastomers, more especially apolar elastomers, such as EPDM. The adhesive contains an isocyanate-terminated polyurethane prepolymer and, as an adhesion promoter, a reaction product of an aromatic diisocyanate with a polyfunctional epoxide, particularly triglycidyl isocyanurate. The strength of adhesion and resistance of the bonds can be further increased by the addition of aromatic nitroso compounds, for example, 1,4-dinitrosobenzene.

REFERENCES:
patent: 3878134 (1975-04-01), Oezelli et al.

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