High adhesion of a variety of rubber compounds to fabric using a

Details High adhesion of a variety of rubber compounds to fabric using a High adhesion of a variety of rubber compounds to fabric using a

1996-12-27

2000-04-25

Dawson, Robert

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...

524841, 524843, C08J 4500

Patent

active

060545275

ABSTRACT:
A single adhesive composition for use in bonding more than one class of rubber polymer to textiles, in particular nylon and polyester fabric. The composition comprises an aqueous mixture of: a) about 85 to about 90 weight % polychloroprene latex; b) about 2 to about 6 weight % of at least one prepolymer of resorcinol with formaldehyde; c) about 4 to about 8% by weight of at least one blocked diisocyanate compound; and d) sufficient water to adjust the solids content of the mixture to about 15 to about 40% by weight; wherein the percentage of solids add-on on fabric treated with the composition ranges between about 5 and about 20% based on the weight of the untreated fabric. The preferred blocked diisocyanate compound is caprolactam blocked methylene-bis-(4-phenylisocyanate). The end-products that are contemplated for the present invention include, but are not limited to, diaphragms, molded articles, V-belt covers, conveyor belts, bead wraps for tires, hose wrap, dodge couplings and the like.

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"My Experience with Grilbond IL-6. Improved Adhesion on Pes Cord Fabrics with Processing Cost Reduction"; Lucien Hennicot, Mar. 20, 1995.

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