Aqueous adhesion assistant dispersions for producing...

C - Chemistry – Metallurgy – 08 – L

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6/115, 400/5022,

C08L 23/34 (2006.01) C08J 5/06 (2006.01) C08J 5/08 (2006.01) C08J 5/12 (2006.01) C08K 5/32 (2006.01) C08K 5/49 (2006.01)

Patent

CA 1087774

ABSTRACT OF THE DISCLOSURE An aqueous adhesion assistant or binder disper- sion for use in the production of composite bodies by vul- canizing a vulcanizable rubber composition on a substrate which is stable under vulcanization conditions comprising water and at least one dispersing agent and a solids content of from 20% to 50% by weight of a solids composi- tion of per a) 100 parts by weight of an organic oligomeric to polymeric film-former, b) from 5 to 100 parts by weight of an aromatic poly-C-nitroso compound, c) from 5 to 100 parts by weight of a phosphorus-containing compound selected from the group consisting of an organic phosphonic acid, a compound pro- ducing an organic phosphonic acid under vulcanization condi- tions, a phosphoric acid partial ester, and a compound producing a phosphoric acid partial ester under vulcaniza- tion conditions, and d) from 0 to 200 parts by weight of customary fillers and pigments having an improved effect on the vulcanized bond; as well as the method of bonding rubbers to solid substrates employing said aqueous dispersion.

292170

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