The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 1980
Filed:
Jun. 20, 1979
Delmar D Long, Rock Hill, SC (US);
Gary A Barnett, Wellford, SC (US);
Glenda M High, Wellford, SC (US);
M. Lowenstein Corporation, New York, NY (US);
Abstract
An improved coating composition, coated reinforcement fabrics, reinforced rubber-based substrate products, and methods of manufacture thereof are disclosed. The coating composition comprises a carboxylated neoprene latex containing an aqueous dispersion of a copolymer of chloroprene and methacrylic acid, polyvinyl chloride as a colloidal stabilizer, and a high boiling oil derived largely from aromatic petroleum feedstocks through a distillation range of between about 195.degree. C. through 325.degree. C. The composition is highly stable, has a long shelf life, and is particularly suited for precoating textile reinforcement fabrics to provide a highly tacky uncured coating surface thereon having exceptionally long high tack in uncured, or green, state. The fabric is employed as a reinforcement layer or cover in rubber-based industrial products, such as power transmission belts, and may be applied in intimate physical adhesion therewith for subsequent vulcanization bonding thereto, as in a vulcanizing mold. The industrial products produced thereby exhibit long wear life with good cured adhesion between the reinforcement fabric and rubber substrate or core. The aromatic oil employed as a tackifier for the composition is present in an amount of between about 5 to 60 weight percent, based on the weight of the solids in the carboxylated neoprene component, and preferably between about 20-40 percent by weight. The composition contains a non-metallic oxide cross-linking agent for the vulcanizing cure reaction.