Boron containing functionalizing agent

Details Boron containing functionalizing agent Boron containing functionalizing agent

2009-02-25

2011-11-22

Rabago, Roberto (Department: 1762)

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

Synthetic resins

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

C525S194000, C525S232000, C525S331900, C525S332900, C525S333100, C525S337000, C525S374000, C525S383000, C524S525000, C152S548000

Reexamination Certificate

active

08063152

ABSTRACT:
The present invention relates to functionalizing agents that are particularly useful for functionalizing living rubbery polymers to make the polymer more compatible with fillers, such as carbon black and silica. These functionalizing agents are comprised of a boron containing compound having a structural formula selected from the group consisting of:wherein R is selected from the group consisting of hydrogen atoms, alkyl groups and aryl groups, wherein R1, R2, and R3can be the same or different and are selected from the group consisting of alkyl groups, and aryl groups, and wherein R4represents an alkylene group or a bridging aromatic group.

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