Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...
Patent
1988-06-21
1989-07-11
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From heterocyclic reactant containing as ring atoms oxygen,...
523414, 528111, C08G 5922, C08G 5964
Patent
active
048473600
ABSTRACT:
Adhesive active finish compositions for synthetic reinforcing members to bond the latter to vulcanizable rubber and reinforcing members for vulcanizable rubber. The adhesive composition comprises a water soluble epoxy compound, from about 20 to 100 parts by weight of a trialkanolamine having from 3 to about 15 carbon atoms and from about 0 to 80 parts by weight of a polyol co-curative having from 2 to about 15 carbon atoms and having at least 2 primary hydroxyls per molecule, wherein the stoichiometric ratio of hydroxyl groups to epoxy groups from the water soluble epoxy compound ranges from about 1:0.7 to 1:0.0003. A method of reinforcing articles of vulcanizable rubber with fibrous members includes the steps of applying to the fibrous member a first coating of the adhesive active finish; applying a second coating comprising resorcinol, formaldehyde and a rubber latex over the first coating; embedding the coated fibrous member in the vulcanizable rubber and, vulcanizing the rubber. Synthetic reinforcing yarns containing the adhesive active finish and a method for their production are also disclosed.
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DeTrano Mario N.
Hergenrother William L.
Hall Daniel N.
Nielsen Earl
The Firestone Tire & Rubber & Company
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