Preparation of cord for bonding to rubber

Details Preparation of cord for bonding to rubber Preparation of cord for bonding to rubber

1982-09-20

1984-05-15

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Heating or drying

1563309, 1563314, 156910, 4273899, 4274301, 524521, 524522, B05D 302, B05D 118, C09J 312

Patent

active

044488130

ABSTRACT:
An adhesive activated (AA) polyester cord, aramid cord, and fabrics made therefrom, may be coated in a one-step dip comprising an aqueous dispersion of a solid finely divided reversibly blocked polyisocyanate (RBP), an adhesive latex of a diene polymer, and a dispersion of an acrylic resin selected from the group consisting of a homopolymer of a monomer, or a copolymer of two or more monomers having the structure ##STR1## wherein, R represents H, methyl, ethyl, Cl or CN, and, X represents hydroxyl (OH), hydroxymethylamino (NHCH.sub.2 OH), or alkoxy (O-alkyl) having from 1 to 4 carbon atoms. Automobile tires made from fabric coated with the one-step combination R/F/L, acrylic resin and RBP dip have comparable of better properties, as evidenced by test results of tires tested to destruction, than those of tires made with fabric treated with a two-step bath, the first bath containing the RBP and the second bath containing the R/F/L and acrylic resin. The one-step coating process is ineffective with polyester cord or fabric which is not adhesive activated.

REFERENCES:
patent: 3460973 (1969-08-01), Hantzer et al.
patent: 3861980 (1975-01-01), Wise
patent: 4300615 (1981-11-01), Kauchock
patent: 4331738 (1982-05-01), Kuan

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