Process for liquefying tire rubber and product thereof

Details Process for liquefying tire rubber and product thereof Process for liquefying tire rubber and product thereof

1995-04-07

1996-02-20

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

1062811, 524 59, 524 64, C09D19500

Patent

active

054925614

ABSTRACT:
A process for preparing a homogenous asphalt composition including the steps of introducing asphalt medium into a reactor vessel; introducing whole tire rubber granules into the asphalt medium to form a mixture of the asphalt medium and the granular whole tire rubber; circulating a portion the mixture into a bottom portion of the reactor vessel through jet spray nozzles; and recirculating the mixture at 500.degree. F. through the vessel until the whole tire rubber is completely integrated into the asphalt medium and a stable, homogeneous asphalt composition is formed. The incorporated asphalt composition preferably includes about 10-20% whole tire rubber and about 80-90% asphalt medium.

REFERENCES:
patent: 4069182 (1978-01-01), McDonald
patent: 4085078 (1978-04-01), McDonald
patent: 4381357 (1983-04-01), von der Wettern et al.
patent: 4430464 (1984-02-01), Oliver
patent: 4485201 (1984-11-01), Davis
patent: 4588634 (1986-05-01), Pagen et al.
patent: 4609696 (1986-09-01), Wilkes
patent: 5270361 (1993-12-01), Duong et al.

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