Process for producing modified polymer modified polymer...

Details Process for producing modified polymer modified polymer... Process for producing modified polymer modified polymer...

2007-10-30

2007-10-30

Niland, Patrick (Department: 1714)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C152S151000, C152S565000, C264S036140, C524S423000, C524S424000, C524S437000, C524S445000, C524S448000, C524S449000, C524S492000, C524S493000, C524S495000, C524S496000, C524S506000, C524S521000, C525S101000, C525S332900, C525S371000

Reexamination Certificate

active

10497462

ABSTRACT:
Provided is a process for producing a modified polymer, characterized by carrying out primary modification in which a hydrocarbyloxysilane compound is reacted with the active site of a polymer having an active site of an organic metal type in a molecule and then carrying out secondary modification in which the hydrocarbyloxysilane compound is further reacted therewith. This makes it possible to provide a modified polymer which enhances interactions with silica and carbon black when used for both of silica-blended and carbon black-blended rubber compositions and which elevates the fracture characteristic, the abrasion resistance and the low heat buildup property at the same time and can exhibit a good workability.

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