Packaged reclaim rubber and compounded rubber prepared therefrom
AssigneeThe Goodyear Tire & Rubber Company
InventorsKim D. Butler, Ray A. Young
Life of this patent
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Abstract
A package comprised of (A) reclaim rubber packaged in (B) a protective film of thermoplastic ethylene/acetate copolymer, the use of such a package for the purpose of compounding additional rubber and such compounded rubber. A method is also provided for compounding rubber using the packaged reclaim rubber of this invention and rubber and compound ingredients for the rubber which are also packaged in the prescribed film.
Claims13
A package which comprises (A) reclaim rubber packaged in (B) a protective film having a thickness in the range of about 0.5 to about 10 mils of a thermoplastic ethylene/vinyl acetate copolymer containing an anti-block agent and having a vinyl acetate content in the range of about 11 to about 22 percent and further characterized, when having a thickness of about 2 to 4 mils, by a melting point in the range of about 85.degree. C. to about 95.degree. C., a minimum ultimate tensile strength at 25.degree. C. of about 1850 psi, an oil solubility melt index of about 63.degree. C. to about 75.degree. C. and a minimum 300 percent modulus at 25.degree. C. of about 700 psi.
Dependencies are inferred from the claim text.