Stable silane compositions on silica carrier

Details Stable silane compositions on silica carrier Stable silane compositions on silica carrier

1996-08-16

1999-12-21

Shaver, Paul F.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523216, 523214, 524847, 106490, C08K 900, C08K 906, C08K 300, C04B 1404

Patent

active

060050276

ABSTRACT:
The present invention discloses blends of silanes and specific silicas, characterized in that when the blend is compounded into a rubber formulation even after 4 months of storage following formation of the blend, an unexpectedly high proportion of the silane present is available as a coupling and reinforcing agent for the rubber formulation. Over 80% and even over 90% of the silica can be extracted or described from the blend even 4 months after formation of the blend, and rubber formulation properties indicate high availability of the silane for coupling and reinforcement.

REFERENCES:
patent: 4590052 (1986-05-01), Chevallier et al.
patent: 5112885 (1992-05-01), Inoue et al.
patent: 5116886 (1992-05-01), Wolff et al.
patent: 5213899 (1993-05-01), Lucas
patent: 5221651 (1993-06-01), Sacchetti et al.
patent: 5236962 (1993-08-01), Govoni et al.
Chemistry of Pigments and Fillers by Wyley Jun. 1983.
Silquest A-1289 Silane (For Rubber and Elastomers), Aug. 1989.
Acid-Based Interaction pp. 117-134 "Characterization of the acid-base nature of metal oxides by adsorption of TCNQ" by Kenjiro Meguro & Kunio Esumi, Feb. 1990.

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