Catalytic process for producing free radicals on crumb rubber

Details Catalytic process for producing free radicals on crumb rubber Catalytic process for producing free radicals on crumb rubber

1997-08-01

1998-06-09

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

10628401, 1062811, 525192, 525194, 525195, 5253319, C09D19500, C08F 806, C08F 3600

Patent

active

057627002

ABSTRACT:
Increasing the usable temperature range of asphalts that contain crumb rubber particles by treating the crumb rubber with hydrogen peroxide in the presence of a catalyst such as Fenton's reagent, dioxomolybdenum bis(acetylacetonate), cobalt salt, tall oil, p-toluene sulfonic acid (PTSA), and others.

REFERENCES:
patent: 4833205 (1989-05-01), Bauman et al.
patent: 5558704 (1996-09-01), Masuda et al.
patent: 5693714 (1997-12-01), Bauman et al.
patent: 5704971 (1998-01-01), Memon

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