Functional diene polymers, their method of preparation and their

Details Functional diene polymers, their method of preparation and their Functional diene polymers, their method of preparation and their

1995-04-03

1997-09-09

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523213, 525105, 525342, C08K 304, C08K 906, C08F 800

Patent

active

056658125

ABSTRACT:
A sulfur-vulcanizable rubber composition of improved hysteresis, comprising ilica as reinforcing filler as well as a diene polymer functionalized with a functionalizing agent having the general formula (Y).sub.m --R.sup. --Si(OR.sup.2).sub.3-n --R.sup.3 n and suitable to be used for the manufacture of tires of reduced resistance to rolling.
The functionalized diene polymers are prepared by addition to the living diene polymer under suitable mixing conditions of an amount of functionalizing agent such that the molar ratio of functionalizing agent to the number of active sites is equal to or greater than 1.

REFERENCES:
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patent: 3244644 (1966-04-01), Stiles
patent: 3281383 (1966-10-01), Zelinski et al.
patent: 3773732 (1973-11-01), Dillenschneider
patent: 4185042 (1980-01-01), Verkouw
patent: 5066721 (1991-11-01), Hamada et al.
patent: 5409969 (1995-04-01), Hamada

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