Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-10-25
1993-05-04
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524436, 152208, 152209R, 152211, C08K 316
Patent
active
052082733
ABSTRACT:
The present invention provides a rubber composition which is useful for the treads of studless tires which provides improved grip properties on frozen roads and preserves good performance after being used for a long period of time. The rubber composition of the present invention comprises a base rubber and an inorganic halide which has a melting point of 180.degree. C. or more, an average particle size of 20 to 600 micrometer and a solubility of 5 g or more in 100 g of water at 0.degree. C.; said inorganic halide being present in an amount of 3 to 35 parts by weight based on 100 parts by weight of said base rubber.
REFERENCES:
patent: 2274855 (1942-03-01), Wallace
patent: 2582701 (1952-01-01), Iknayan
Muraoka Kiyoshige
Takatsu Sumio
Guarriello John J.
Michl Paul R.
Sumitomo Rubber Industries Limited
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